CN2199249Y - Siphon-type hydraulic remote-control flushing cistern - Google Patents

Abstract

The utility model relates to a siphon-type hydraulic remote-control flushing water tank, which is especially suitable for automatically flushing the trough type urinals in public lavatories, units, institutes and schools. The siphon-type hydraulic remote-control flushing tank is characterized in that the water tank does not flush when no body enters a toilet. The siphon does not leak during the water storage process. The siphon-type hydraulic remote-control flushing tank is composed of a piston type hydraulic motion self-closing valve and a dynamic self-locking and negative-pressure unlocking device which are arranged at the opening of a water inlet pipe of the water tank, and a driving mechanism which is arranged under a movable pedal at the doorway of the toilet. The device does not use electricity and has the advantages of simple structure, low cost, easy installation and maintenance and long service life, and can save 60%-90% water. The various loaded timing flushing water tank with different structures can be renewed and improved by the elements of the water tank to realize the same water-saving effect.

Description

Siphon-type hydraulic remote-control flushing cistern

The utility model belongs to the control techniques far away that surges.Specifically be specially adapted to the used timing wc flushing cistern of groove formula urinal is carried out far distance controlled, make it when nobody enters the washroom, water tank is not intake, is not washed by water, and is used in the hydraulic pressure lower, and syphon does not have leakage.

The groove formula urinal of urban restroom and unit, universities and colleges washroom, generally adopt heavy caliber syphon or market the supply of material such as the timing automatic wc flushing cistern of making in the barrier film siphon valve of production of units such as water pipe factory, four ports on the Zhejiang.This water tank continues water filling by feed pipe, when water level in the case rises to the syphon top, and syphon or the automatic conducting of siphon valve, water flows into urinal from outlet pipe and washes.After water all flowed out, the siphon valve was self-closing, and water tank is retaining once more.Twice flushing length blanking time is by pressure of supply water, feed pipe valve opening and water tank capacity decision, general somewhat by tens minutes.This water tank shortcoming is when nobody enters the washroom, water tank do as usual retaining and flushing, and the waste of water is very big; Fragile the leaking of barrier film siphon valve film; The heavy caliber syphon is used in the hydraulic pressure lower, and water is from managing interior loss, can not form siphonage and stops flushing, not only wastes water but also influence hygiene effect.

Though existing various electric automatic control technology can overcome the problems referred to above, have complex structure cost height, with being difficult to management in public places, electrical equipment continues problems such as energising is easily aging, short of electricity is inoperative, so seldom be used.

91220565.2) and " excrement groove automatic flushing punch-out equipment tool is far controlled the device of cutting off the water supply " (patent No.: 91220639.X) two utility models I am in " the machinery control far away cistern " on July 23rd, 91 and the August 5 the same year successively application (patent No.:, though can overcome the shortcoming that electric control gear exists, become estranged and interrupt the problem of flushing but still fail to solve heavy caliber syphon current.

The utility model improves aforementioned two patented technologies, purpose provides a kind of nothing with valve and leaks the syphon technical scheme, the new equipment that forms with my aforementioned patent technical combinations, be used for the remote automatic control of automatic flushing case of arbitrary structures, make it in the retaining process, not have and leak, when nobody enters the washroom, stop the water tank water consumption, reach the purpose of water saving to greatest extent.

Solution of the present utility model is the surge self-closing valve of normally closed type structure of the piston at the dynamic self-locking mechanism of water inlet pipe mouth mounting strap of water tank, this self-closing valve is fixed on the syphon support, there is a delivery port to lead to water tank, other has a relief hole, control the unlatching of self-closing valve by the spring self-closing relief valve that its intake antrum communicates with aforementioned relief hole, and recover the closed condition of self-closing valve by a fork release mechanism.Relief valve is connected with the pipeline that surges with self-closing valve, like this, the driving mechanism of relief valve (as pedal and so on) can be arranged on apart from water tank far away, what the people passed in and out must be through part (as the door limit), when the people enters the washroom, touch the drive unit of pedal and so on, the relief valve conducting, make self-closing valve open and under dynamic self-locking mechanism effect continuously to the water tank water filling, wash by water after water tank is full.The fork release mechanism is removed the dynamic self-locking of self-closing valve under suction function, recover closed condition, and water supply line stops to the water tank water filling; Establish a valve in the syphon, the shaft extension of valve goes out tube wall, and axle head is connected with buoyant means, and under the water level effect, the axle that drives valve rotates valve is opened and closed buoyant means, thereby realizes the purpose of this utility model in case.

The utility model has following advantage:

1, not electricity consumption simple in structure, round-the-clock running, long service life, cost is low, is used for the public place and is convenient to management.

2, the various structure automatic flushing casees of original-pack usefulness all can supporting this device of use, and update cost is few, and installation, maintenance is easy.

3, waste of the water when having overcome unmanned use washroom and syphon lose at the current at low hydraulic pressure place, and general washroom can economize on water 50% at least, and universities and colleges' proportion of non-time break is big, and water saving can reach more than 90%.Former with wc flushing cistern water consumption average discharge regularly only by 0.1 liter/second, every water tank year 3000 cubic metres of water consumptions.According to statistics, Changsha is equipped with regularly 3000 of wc flushing cisterns, estimates whole nation dress in view of the above and may reach 1,000,000 with sum, if all use the utility model technique device, calculates by average water saving 50%, and whole nation Spring Festival holidays water inventory also reaches more than 10 billion cubic meters.

Below in conjunction with accompanying drawing, the utility model structure and embodiment are described in further detail.

Accompanying drawing is a structural representation of the present utility model.

Shown in the accompanying drawing, the utility model comprises water tank ［ 15 ］, is loaded on the syphon ［ 3 ］ of water tank inside.Characteristics of the present utility model are to be equipped with on the syphon support the surge self-closing valve ［ 12 ］ of normally closed structure of a piston type that drives the attitude self-locking mechanism, the water inlet of this self-closing valve ［ 11 ］ is connected with the pressure of supply water pipeline, delivery port ［ 14 ］ leads to water tank ［ 15 ］, the spring self-closing relief valve ［ 18 ］ that pressure relief opening ［ 7 ］ is communicated with aforementioned pressure relief opening ［ 7 ］ pipeline by its intake antrum is controlled the unlatching of self-closing valve ［ 12 ］, and is recovered the closed condition of self-closing valve ［ 12 ］ by the fork release mechanism; Valve ［ 17 ］ device is in siphon piping, and outside curtain shaft ［ 16 ］ protruded tube, buoyant means is connected with curtain shaft ［ 16 ］, the keying of control valve ［ 17 ］.

Accompanying drawing has provided an embodiment of the present utility model.As shown in the figure, the surge self-closing valve ［ 12 ］ of normally closed structure of described piston type is made up of with the piston rod ［ 8 ］ of piston, spool respectively valve body and two ends, sealing flat shim ［ 13 ］ is housed, closed condition lower seal delivery port ［ 14 ］ at spool place, piston rod ［ 8 ］ lower end; Have the double-layer circular step in the piston rod upper end, sealing ring ［ 10 ］ is housed between the step, cavity is divided into two zones, damping hole ［ 9 ］ is with aforementioned two regional connectivities; Described dynamic self-locking mechanism is the ring channel structures that has of piston rod ［ 8 ］ stage casing and self-lock pin ［ 5 ］, spring ［ 6 ］, and this self-lock pin ［ 5 ］ is under spring ［ 6 ］ power effect, and end face and piston rod ［ 8 ］ external surface keeps in touch; Described fork release mechanism is that fork ［ 2 ］, the end that the middle part is hinged on syphon external surface fulcrum connects self-lock pin ［ 5 ］, and end passes fork ［ 2 ］ top circular hole and regulates and fixing pull bar ［ 4 ］ with sieve is female in addition; Described buoyant means is that floating drum ［ 1 ］, an end of bottom band non retern valve ［ 21 ］ flexibly connects the connecting rod ［ 20 ］ that other end is connected with curtain shaft ［ 16 ］ with floating drum ［ 1 ］ bottom.

The operating principle of the utility model accompanying drawing illustrated embodiment is as follows: relief valve ［ 18 ］ is contained under the Active foot plate, pedal is arranged on people from limit must be through locating, when nobody enters the washroom, the spool of self-closing valve ［ 12 ］ is under effect of water pressure, seal washer ［ 13 ］ sealing weep hole ［ 14 ］, self-closing valve is in closed condition, and water tank ［ 15 ］ is not intake.When pedal is stepped on, relief valve ［ 18 ］ is pressed off and of short duration conducting, self-closing valve ［ 12 ］ upper cavity pressure rapid drawdown, piston rod ［ 8 ］ is pushed to the top displacement by hydraulic pressure, self-closing valve ［ 12 ］ is opened, self-lock pin this moment ［ 5 ］ has been dropped in the cannelure of piston rod ［ 9 ］, makes it and can not reset, and feed pipe continues water filling to water tank.

Water level raises in the case, and floating drum ［ 1 ］ raises with water level, and buoyancy drags connecting rod ［ 20 ］ one ends to top offset, and connecting rod end in addition drives valve ［ 17 ］ rotation.When water level in the case is elevated to the A place, valve ［ 17 ］ is half-twist, reach the contract fully position, the water that enters syphon ［ 13 ］ is plugged and does not run off, water level continues to be elevated to the B place, when surpassing floating drum ［ 1 ］ mouth of pipe, water enters floating drum ［ 1 ］,. buoyancy disappears, and floating drum ［ 1 ］ descends with connecting rod ［ 20 ］, and valve ［ 17 ］ derotation is opened, form siphon, whole box water flows to just via syphon that groove washes, and after the water tank retaining was all flowed out, the water in the floating drum ［ 1 ］ flowed out from the non retern valve ［ 21 ］ on the barrel.

When retaining enters syphon fast in case, fork ［ 2 ］ end page sheet ［ 19 ］ down is subjected to suction towards the displacement of mouth of pipe direction, the oppositely displacement of fork ［ 2 ］ upper end, pulling force passes to self-lock pin ［ 5 ］ via pull bar ［ 4 ］ and makes it to overcome spring ［ 6 ］ elastic force, extract out from the cannelure of piston rod ［ 8 ］, piston rod ［ 8 ］ is promoted toward falling the sealing mat on the spool ［ 13 ］ sealing weep hole ［ 14 ］ by water pressure, self-closing valve recovers closed condition, and water supply line is ended to the water tank water filling.

Claims (4)

1, a kind of hydrocone type is surged and is far controlled wc flushing cistern, comprise water tank [15], be loaded on the inner syphon [3] of water tank [15], of the present utility model being characterised in that is equipped with a piston type that drives the attitude self-locking mechanism normally close valve [12] that surges on the syphon support, this self-closing valve [12] water inlet [11] is connected with the pressure of supply water pipe, delivery port [14] leads to water tank [15], pressure relief opening [7], the unlatching of spring self-closing valve formula relief valve [18] the control self-closing valve [12] that is communicated with aforementioned pressure relief opening [7] pipeline by its intake antrum, and recover the closed condition of self-closing valve [12] by a fork release mechanism, relief valve [18] is located under the land operations pedal of doorway, washroom, establish a valve [17] in the syphon [3], floating drum [1] drive link [20] control valve [17] opens and closes.

2, hydrocone type according to claim 1 is surged and is far controlled wc flushing cistern, it is characterized in that the surge self-closing valve ［ 12 ］ of normally closed structure of described piston type, by valve body, its upper end band piston, the piston rod of lower end belt spool ［ 8 ］ is formed, seal washer ［ 13 ］ is equipped with at spool place in piston rod ［ 8 ］ lower end, closed condition lower seal delivery port ［ 14 ］, upper end at piston rod ［ 8 ］ has double-deck step, sealing ring ［ 10 ］ is housed between two steps, cavity is divided into two zones, damping hole ［ 9 ］ is with aforementioned two regional connectivities, described dynamic self-locking mechanism is the ring channel structures in piston rod ［ 8 ］ stage casing, self-lock pin ［ 5 ］, spring ［ 6 ］, self-lock pin ［ 5 ］ end and piston rod ［ 8 ］ external surface keep by touching.

3, the hydrocone type according to claim 1 control wc flushing cistern far away that surges, it is characterized in that described fork release mechanism by the middle part be hinged with the syphon support, the end page sheet is stretched fork ［ 2 ］ at syphon ［ 3 ］ water inlet oral-lateral, is passed the pull bar ［ 4 ］ that is connected with self-lock pin ［ 5 ］ on the fork ［ 2 ］ and form down.

4, hydrocone type according to claim 1 is surged and is far controlled wc flushing cistern, it is characterized in that establishing in the syphon ［ 3 ］ valve ［ 17 ］, its axle ［ 16 ］ stretches out tube wall, floating drum ［ 1 ］ control valve ［ 17 ］ break-make of the band non retern valve of holding loose joint in addition of connecting rod that joins with it ［ 20 ］ and connecting rod ［ 20 ］.

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