Overflow device and drain valve for a flush tank equipped with such a device

FIELD: sanitary equipment.

SUBSTANCE: group of inventions relates to sanitary equipment. Overflow device has a tube extending along an axis and having two open opposite axial ends and a cover at the top end of the tube. Top end of the tube has an inlet opening bounded by a substantially annular inlet edge. Cover and the inlet opening form a siphon system. Cover has a bottom end edge, which surrounds the inlet edge and is located radially outwards of the inlet edge and axially below or substantially flush with a top face of the inlet edge. Drain valve comprises a supporting structure with a sealing seat bounding a drain hole, and a valve body, and a valve body housed to slide inside the supporting structure and having a shutter at the bottom, which cooperates with the sealing seat to close the drain hole. Valve comprises the above overflow device. Tube limits the valve body or forms a part of the valve body.

EFFECT: invention provides an overflow device of improved water disposal capacity, a flush tank incorporated in the drain valve, which is simple, effective and reliable.

12 cl, 6 dwg

 



 

Same patents:

FIELD: machine building.

SUBSTANCE: invention relates to the valves for flushing lavatories or urinals with flushing and disinfecting devices. The group of height-adjustable flushing valves (1) for the flushing rank continues along the axis (A) and contains main casing (5) with movable gate (2), support (7) supporting the gate activating gear (4), gear (8) of height adjusting to change distanced between the support (7) and main casing (5). Gear (8) contains released work element (32). The work element (32) is located around the casing (5) and is connected with casing (5) such that to have possibility of axial connection with the casing (5). The gear (8) contains pole (30) parallel with axis (A) supported by the support (7). The pole (30) slides in the guide (31) created in the casing (5). The work element (32) is made inclined rotated relatively to the casing (5) around the axis (A) for selective accepting of the locked position and unlocked position. In the locked position the work element (32) axially engages the pole (30) and axially connects the combined support (7) and casing (5). In the unlocked position the work element (32) does not engage axially the pole (30), and support (7) is axially sliding relatively to the casing (5).

EFFECT: simple production and installation of the valves.

9 cl, 4 dwg

Flush tank // 2539540

FIELD: construction.

SUBSTANCE: tank represents a body, where there is a stop body made as capable of interaction with a driving mechanism. The tank comprises a flushing sealing elastic corrugated pipe made in the lower part jointly with a lock bushing of the flush tank for tight connection with the output hole of the flush tank and also made in the upper part jointly with two floats. Floats are made as joint with a U-shaped driving pusher. The gap between floats includes a lever of a water supply valve with the possibility to stop water supply into the flush tank in case of floats floating above surface of water that filled the flush tank, and to open a new portion of water into the flush tank with forcedly submerged floats.

EFFECT: elimination of water leaks in process of long-term operation.

FIELD: construction.

SUBSTANCE: flush valve comprises a fixture having a lower end, an upper end in the form of a valve seat, a through hole stretching down from the valve seat and a guide part. The guide part is installed in the through hole and stretches upwards from it. The valve body provides for restraint of water flow by means of the fixture, when it is in the first position. At the same time when the body is located in the valve seat, the valve body provides for water flow through the fixture, when it is in the second position, in which the body is not arranged in the valve seat. The valve body is made in the form of a canister. The through hole narrows down below the valve seat. The fixture applied as a part of the flush valve comprises a body in the form of a sleeve and having a lower end, simplifying installation of the body near the hole, the upper end in the form of the valve seat, a through hole stretching down from the valve seat, and a guide stand. The stand is fixed in the through hole and stretches upwards above the valve seat. The through hole narrows down below the valve seat. A sanitary unit comprises a toilet bowl, a tank for water storage and a flush valve installed in the outlet hole. The tank comprises a lower outlet hole for provision of water passage from the tank into the toilet bowl.

EFFECT: improved operation of valves for flow of water drain for quick passage into a sanitary unit, as soon as flushing has started.

10 cl, 11 dwg

FIELD: personal use articles.

SUBSTANCE: flushing cistern for toilet bowl comprises a container with supply valve for supply of tap water and an additional supply valve for supply of waste water from the sink and/or shower cabin and/or bath to a level corresponding to the minimum volume of water V1 in the container, which is necessary to flush the toilet, with V1≤1/2V2, where V2 is volume of water corresponding to the level to which waste water is supplied with an additional supply valve. The method of flushing the toilet bowl with the said cistern is provided.

EFFECT: economy of clean tap water is provided at improving and accelerating flushing the toilet, improving hygiene, creating more comfortable conditions for users, improved health and quality of their life, energy savings on cleaning and disinfection of water.

5 cl, 1 dwg

FIELD: construction.

SUBSTANCE: controller of water supply to flushing tank comprises L-shaped lever, float, body with nozzle and gate. At the same time unit of diaphragm valves is installed on vertical arm of lever, and one working and spare valves are formed in it, body of diaphragm valves unit is polyhedron, sides of which are arranged with holes closed by specified gate, for instance in the form of tube tightly put onto body, which does not move when changing to spare valve.

EFFECT: invention makes it possible to increase service life of controller of fluid level in flushing tank.

2 dwg

FIELD: sanitary equipment, particularly flushing valves for outlets, namely uncoupling levers in flushing tanks provided with controllable flushing valve arranged directly in tank bottom or at tank bottom.

SUBSTANCE: uncoupling lever unit comprises lever arm arranged in flushing tank and transversal to the tank. Outer arm rotation causes rod actuation, which in turn provides cross-beam movement inside flushing tank. The cross-beam is parallel to flushing tank wall and urges lever end downward direction. Support retains lever so that as one lever end moves downwards opposite lever end slides upwards. The opposite lever end is connected with flushing valve through chain.

EFFECT: increased efficiency.

10 cl, 8 dwg

FIELD: sanitary equipment, particularly flushing valves adapted to control water discharge from flushing tank of low-profile toilet made as a single whole.

SUBSTANCE: flushing valve may be connected to discharge orifice made in vertical flushing tank wall. Overflow member communicates with flushing valve body. Flushing valve body width exceeds flushing valve height and is in register with discharge orifice made in wall of flushing tank having the same cross-sectional shape. Flushing tank has fastening ear arranged inside flushing tank near discharge orifice along wall thereof. Clip carried by the body is brought into engagement with the ear to connect the body to flushing tank wall. Body and discharge orifice are restricted from mutual rotation due to imparting non-round shape to body and discharge orifice.

EFFECT: possibility of flushing valve connection by means of discharge orifice made in side wall of flushing tank.

6 cl, 6 dwg

FIELD: sanitary equipment, particularly flushing mechanisms for toilet tanks, namely assemblies, which connect flushing pipe with flushing pipe displacement member.

SUBSTANCE: overflow pipe assembly comprises overflow pipe and connection member attached thereto. The overflow pipe has removable annular ribs. Each annular rib is provided with pins or fingers radially connected to rib surface and adapted to be inserted in connection member. The connection member has means, which apply action to overflow pipe and made as annular body adapted to receive outer end of overflow pipe. At least one slot having horizontal and vertical parts is made in inner side of annular body. The vertical and horizontal slot parts are separated with retaining curvilinear convex rim extending in vertical direction from horizontal slot part.

EFFECT: improved connection assembly structure.

4 cl, 5 dwg

FIELD: sanitary equipment, particularly flushing valves for outlets and arrangement of outlet valves.

SUBSTANCE: cutoff mechanism comprises collar, overflow pipe, body with water drain orifices, with overflow pipe support and with collar seat, collar retaining unit, which fixes the collar during water discharge, and collar lifting unit provided with push button means. The push button means has working member with variable stroke. Cutoff mechanism also has double-arm lever secured to axis of overflow pipe support. The collar is connected to overflow pipe. The overflow pipe has radial shoulder in upper part thereof to connect overflow pipe with one arm of double-arm lever. Collar retaining unit comprises vessel with perforated bottom part. The vessel is telescopically installed on overflow pipe so that the vessel may be displaced along overflow pipe by means of control rod fastened to the second arm of lever. The collar retaining unit also comprises valve, which closes part of vessel orifice areas during water drainage. The valve is formed as control rod passing through one above vessel orifice and connected with radial flange of overflow pipe. The control rod has cylindrical extension closing the orifice when overflow pipe is lifted to its upper position. The working member may cooperate with lever arm, which is connected to the vessel by means of control rod. Vessel may be of annular shape.

EFFECT: increased efficiency.

2 cl, 1 dwg

Drain fittings // 2283928

FIELD: sanitary equipment, particularly drain means for flushing tanks, floor-mounted bowls and so on.

SUBSTANCE: drain fittings comprises body with central guiding means arranged inside flush tank and connected with discharge orifice thereof. The fittings also has discharge unit with shutoff valve made as two coaxial pipes. Shutoff valve is connected to lower end of one pipe. The fittings also comprises lever discharge unit lifting mechanism, lever mechanism drive pusher, double triggering button and discharge unit lowering mechanism. Discharge unit lowering mechanism provides smooth discharge unit movement and is made as vertical shell arranged on the body and enclosing discharge unit and cup with central orifice made in cup bottom installed on the shell. The discharge unit lowering mechanism is provided with orifices formed in side surface thereof. The cup orifice is adapted for discharge unit reciprocation. Outer tubular cup part has disc integrally formed with the tubular part and provided with through orifices. The disc is located inside the cup and spaced from cup walls. Check valve is arranged between disc and cup bottom. The check valve is made as flat ring with L-shaped limiters, which limit check valve opening and pass through orifices made in tubular part disc.

EFFECT: possibility to arrange fittings in flushing tanks having different height and configuration, simplified structure, assemblage and adjustment.

1 dwg

Drain valve // 2248487

FIELD: mechanical engineering; liquid materials handling facilities.

SUBSTANCE: proposed drain valve has seat secured in reservoir bottom and cup with lid provided with central hole. Overflow unit and shutoff member lifting mechanism are provided. Cup is secured on seat. Overflow unit is made in form of two coaxially arranged inner and outer tubes. Inner tube is installed for axial displacement and fixing relative to outer tube. Float is secured on outer tube from side of its outer surface. Shutoff member is installed on lower end of outer tube. Outer tube is installed for axial displacement and is passed through central hole in cup lid. Float is arranged inside cup. Shutoff member lifting mechanism is made in form of hinge unit connected by tie-rod with overflow unit and mechanically coupled with pushbutton. Pushbutton is installed in reservoir cover by means of thrust bushing. Cup is secured on seat by bayonet joint. Two seats are made on cup lid. Post is secured in each seat. Adjusting bushing is secured on posts. Said bushing is connected by threaded joint with thrust bushing of pushbutton. Rim is secured on adjusting bushing. Hinge support is made on rim. Position of inner tube of overflow unit is fixed relative to outer tube of overflow unit by means of union nut and sealing gasket. Said gasket is clamped by union nut between tube of overflow unit. Hinge unit is made in form of lever. Rotary axle is installed in middle part of lever in hinge support. One end of lever thrust against base of rod. Rod is connected with pushbutton spring-loaded relative to thrust bushing. Other end of lever is connected with upper end of tie-rod. Said tie-rod is connected with -shaped lever from side of its lower end. Said lever is rigidly secured on bracket. The latter is made on outer tube of overflow unit higher than cup.

EFFECT: improved reliability of drain valve owing to simplified design and provision of coaxial arrangement of pushbutton of hinge unit drive and overflow unit.

1 dwg

Drain valve // 2248488

FIELD: mechanical engineering; liquid materials handling facilities.

SUBSTANCE: proposed drain valve is design for organization of draining liquids of different type from containers. Proposed drain valve has seat secured in bottom of reservoir, cup installed on seat and overflow unit. The latter contains axially movable tube. Float arranged in cup is secured on outer surface of tube. Shutoff member is mounted on lower end of tube. Overflow unit is passed for axial displacement through cup. Overflow unit is mechanically coupled with rod of shutoff member lift handle. Cup is secured on seat by means of bayonet joint. Overflow unit is furnished additionally with inner tube. The latter is partially arranged inside overflow unit tube. Inner tube is installed for axial displacement and subsequent fixing in position relative to overflow unit tube by means of union nut and sealing gasket. The latter is clamed between tubes of overflow unit by union nut. Two diametrically opposite brackets are made on overflow unit tube from side of its upper end. Tie-rod is secured in each bracket from side of lower end. Upper end of tie-rods is secured in clamp. Longitudinal cut is made on free end of rod forming, at least, two cantilever flexible lobes. Each lobe is made in form of upward widening stop from outer side. Clamp is fitted on rod through stops on flexible lobes with possibility of action onto clap when shutoff member of drain valve is lifted by its handle.

EFFECT: improved reliability of drain valve owing to simplified design and overflow unit tube made symmetrical and adjustable in height suspension of overflow unit and possibility of its mounting in reservoirs differing n height.

1 dwg

Flushing fixture // 2250310

FIELD: sanitary equipment, particularly flushing tanks with upper input for flushing lavatory pans and similar sanitary devices installed in lavatories of multipurpose buildings.

SUBSTANCE: flushing fixture includes case with central guiding means. Case is installed inside flushing tank and connected with outlet orifice thereof. Fixture also comprises overflow unit having shutoff valve, overflow unit actuation leverage, pusher and double flushing button. Leverage is installed on body with central guiding means and made as levers rotating in vertical plane and as spring blades cooperating with shutoff valve. Overflow unit is made as two coaxial tubes mutually adjustable in length. Secured to lower end of one tube is shutoff valve. Pusher may be adjusted in length and is installed inside overflow unit so that pusher may cooperate with flushing button by upper pusher end and with leverage by lower end thereof. Leverage may be arranged at shutoff valve level.

EFFECT: simplified structure, assemblage and regulation, possibility to use thereof in flushing tanks of different heights.

2 cl, 9 dwg

Bottom valve // 2258857

FIELD: valving engineering.

SUBSTANCE: bottom valve comprises cylindrical hollow housing made of a pipe with seat in its top section, bottom threaded section, and stop flange made on the outer surface of the housing below the seat. The overflow pipe is made in block with the housing and positioned from its side. The fastening nut is mounted on the threaded section of the housing. The flexible sealing ring of rectangular cross-section is set on the housing and interposed between the stop flange and fastening nut. The flat closure member is provided with two levers and is secured through a pivot for permitting rotation with respect to the seat. The bottom end of the tie is secured to the closure member and its top end is secured to the starting device. The float is secured to the closure member. The pivot is defined by the cantilever horizontal pipes arranged on the overflow pipe. Each pipe receives pin. The pin is made on each of the levers of the flat closure member. The float is made of two rigid shells. Each of the shells is secured to one of the levers. The shells receive a solid material whose density is less than that of the water. The center of gravity of each of the shells is shifted over the horizon with respect to the pin away from the site where the lever is connected with the flat closure member.

EFFECT: enhanced reliability and simplified structure.

4 cl, 3 dwg

Flush tank // 2263185

FIELD: sanitary equipment, particularly for flushing lavatory pans and bowls installed in sanitary rooms.

SUBSTANCE: flushing tank has body, flange, lid, flushing fittings, inlet valve and float. Body is connected to flange through elastic packing by threaded bush. The flange has stiffening ribs located from lower side thereof. Outlet orifice of the flange is provided with thread. Above threaded bush simultaneously acts as a seat and vertical guide for shutoff valve mounted on overflow pipe. The overflow pipe is connected with water flow start button by means of arms secured to upper end of overflow pipe and on holder which secures arms. Holder has hole for water flow start button mounted in tank lid mounted under the button. Flush tank body has stiffening ribs or tank bottom has bosses located on bottom of tank body from outer side thereof. Flange is provided with mating orifices. The holder may be formed on hole for water flow start button.

EFFECT: simplified structure, reduced material consumption and cost.

4 cl, 2 dwg

FIELD: sanitary equipment, particularly press-button flushing tanks.

SUBSTANCE: locking mechanism comprises post with guides for overflow pipe, overflow pipe with collar coaxially connected to the pipe, collar lifting units and collar retaining means, which holds the collar during water discharge. The collar retaining means is made as valve installed in overflow pipe and spring-loaded relative the pipe. The valve is retained in closed position when the tank is filled with water. The valve is installed in lower part of overflow pipe and may cooperate with face created in overflow pipe end by working edge thereof.

EFFECT: reduced weight and size of locking mechanism, increased service life and reliability.

2 cl, 1 dwg

FIELD: sanitary equipment, particularly shutoff mechanisms for lavatory pans.

SUBSTANCE: shutoff device comprises body with perforated orifices made in lower body part, lid, neck and seat made in bottom part and adapted for annular discharge valve receiving, discharge valve and movable overflow pipe provided with retaining unit, which fixes the overflow pipe during discharge operation. The retaining unit is installed in neck and lid so that annular gaps are created in-between. Discharge valve is provided with orifices located out of neck closure zone, which permit water passage inside the body during flushing tank filling with water and is connected to compensating guiding bush along larger diameter thereof. The compensating guiding bush is installed inside the body and has height providing necessary clearance for water discharge from flushing tank into neck through above perforation body orifices. Dividing pipe is secured to inner lid surface and spaced from overflow pipe and from neck. The dividing pipe is provided with perforation orifices located in upper part thereof and is adapted to fill the body with water during flushing tank filling. Overflow pipe has annular extension to close the gap between lid and overflow pipe at the end of working overflow pipe travel. Overflow pipe also comprises valve, which closes gap between overflow pipe and dividing pipe after retaining unit activation during discharge operation.

EFFECT: increased efficiency of water usage due to optimized water discharge, increased structural simplicity.

1 dwg

Drain fittings // 2283928

FIELD: sanitary equipment, particularly drain means for flushing tanks, floor-mounted bowls and so on.

SUBSTANCE: drain fittings comprises body with central guiding means arranged inside flush tank and connected with discharge orifice thereof. The fittings also has discharge unit with shutoff valve made as two coaxial pipes. Shutoff valve is connected to lower end of one pipe. The fittings also comprises lever discharge unit lifting mechanism, lever mechanism drive pusher, double triggering button and discharge unit lowering mechanism. Discharge unit lowering mechanism provides smooth discharge unit movement and is made as vertical shell arranged on the body and enclosing discharge unit and cup with central orifice made in cup bottom installed on the shell. The discharge unit lowering mechanism is provided with orifices formed in side surface thereof. The cup orifice is adapted for discharge unit reciprocation. Outer tubular cup part has disc integrally formed with the tubular part and provided with through orifices. The disc is located inside the cup and spaced from cup walls. Check valve is arranged between disc and cup bottom. The check valve is made as flat ring with L-shaped limiters, which limit check valve opening and pass through orifices made in tubular part disc.

EFFECT: possibility to arrange fittings in flushing tanks having different height and configuration, simplified structure, assemblage and adjustment.

1 dwg

FIELD: sanitary equipment, particularly flushing valves for outlets and arrangement of outlet valves.

SUBSTANCE: cutoff mechanism comprises collar, overflow pipe, body with water drain orifices, with overflow pipe support and with collar seat, collar retaining unit, which fixes the collar during water discharge, and collar lifting unit provided with push button means. The push button means has working member with variable stroke. Cutoff mechanism also has double-arm lever secured to axis of overflow pipe support. The collar is connected to overflow pipe. The overflow pipe has radial shoulder in upper part thereof to connect overflow pipe with one arm of double-arm lever. Collar retaining unit comprises vessel with perforated bottom part. The vessel is telescopically installed on overflow pipe so that the vessel may be displaced along overflow pipe by means of control rod fastened to the second arm of lever. The collar retaining unit also comprises valve, which closes part of vessel orifice areas during water drainage. The valve is formed as control rod passing through one above vessel orifice and connected with radial flange of overflow pipe. The control rod has cylindrical extension closing the orifice when overflow pipe is lifted to its upper position. The working member may cooperate with lever arm, which is connected to the vessel by means of control rod. Vessel may be of annular shape.

EFFECT: increased efficiency.

2 cl, 1 dwg

FIELD: sanitary equipment, particularly flushing mechanisms for toilet tanks, namely assemblies, which connect flushing pipe with flushing pipe displacement member.

SUBSTANCE: overflow pipe assembly comprises overflow pipe and connection member attached thereto. The overflow pipe has removable annular ribs. Each annular rib is provided with pins or fingers radially connected to rib surface and adapted to be inserted in connection member. The connection member has means, which apply action to overflow pipe and made as annular body adapted to receive outer end of overflow pipe. At least one slot having horizontal and vertical parts is made in inner side of annular body. The vertical and horizontal slot parts are separated with retaining curvilinear convex rim extending in vertical direction from horizontal slot part.

EFFECT: improved connection assembly structure.

4 cl, 5 dwg

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