CN2068531U

CN2068531U - Pneumatic water-saving toilet flushing device

Info

Publication number: CN2068531U
Application number: CN 90209149
Authority: CN
Inventors: 李军
Original assignee: XIANGSHAN COUTY DINGSHANG ELECTRONIC TOY PLASTIC FACTORY
Current assignee: XIANGSHAN COUTY DINGSHANG ELECTRONIC TOY PLASTIC FACTORY
Priority date: 1990-06-20
Filing date: 1990-06-20
Publication date: 1991-01-02

Abstract

The utility model relates to a pneumatic water-saving toilet flushing device comprising an airtight water tank, a draining valve and a valve stem which are hollow and have the effect of an air supplement pipe. The pneumatic water-saving toilet flushing device is provided with an isolated pipe cavity, which extends to the top surface of the water box vertically from the bottom surface of the water tank and encloses the draining valve and the valve stem, and the isolated pipe cavity is formed by a hermetical pipe and a delayed pipe which is screwed with the hermetical pipe. The delayed pipe body and a small valve and a big valve compose an automatic controlling delayed water supplying device. An inlet pipe is provided with a one-way valve. The utility model achieves the duties of automatic air supplement, water supplement, and non inverted siphon for the pneumatic water-saving toilet flushing device.

Description

Pneumatic water-saving toilet flushing device

The utility model relates to sanitaryware, is the novel flush toilet cistern for toilet water-saving cistern that a kind of gravitation energy that utilizes compressed-air actuated elastic potential energy to replace water cleans flush toilet.This water tank only needs half water yield of conventional toilet water tank just can realize identical developing result, and water-saving result is very obvious.

Develop the problem that this water-saving vapour-pressure type water tank has following three needs to solve: this problem that (1) is reduced gas-storing capacity for the air that solves in the airtight water tank because can take away gradually when the each draining, must design a kind of simple and reliable air admission system, (2) the vapour-pressure type water tank must equally with traditional water tank will have one time-delay moisturizing period to guarantee forming a water seal in toilet water crook after draining, so a cover time-delay water replanishing device must be arranged, (3) according to sanitary standard, water in the toilet flush is not allow to be entered by flowing backwards in the water supply network of rivers of tap water to go, for example in breaking out of fire, when fire hydrant is used, because the whole tap water network of rivers presents negative pressure with respect to the hydraulic pressure in the toilet flush, above-mentioned refluence phenomenon can take place, therefore, must design a cover one way valve (non retern valve) and stop this refluence phenomenon.

Thereby the purpose of this utility model just is to finish above-mentioned three technology problem and releases a kind of novel air pressure water saving flushing device for toilet with good tonifying Qi, time-delay moisturizing and anti-siphon refluence performance, make this flushing device for toilet realize overall plasticization basically simultaneously, manufacturing cost reduces, uses maintenance also convenient especially greatly.

Task of the present utility model is finished like this:

Pressure water-saving flushing device for toilet of the present utility model includes airtight tank box, water inlet pipe, gutter, the water inlet one way valve, draining valve, the water discharging valve headstock gear, its characteristics place have following some: (1) air admission system and draining valve valve rod unite two into one, the capacity utilization of water tank cavity is improved, also reduced manufacturing cost, (2) draining valve is divided into big valve and minor valve, they are coaxial line and arrange, form the core of this device with the time-delay body, the moisturizing drainage system of promptly delaying time, (3) water inlet system band gravity closed type one way valve, described water inlet pipe and described time-delay body are communicated with each other, it is indoor to make water inlet pipe the time have a roadside water flowing flow on the big valve control chamber more than the plane in water inlet, big valve is produced the downward pressure that increases gradually, make it after one section time-delay draining, can close voluntarily.

Carry out detailed narration below in conjunction with accompanying drawing.

Airtight water tank among the figure be by the central portion (2) of smooth mouthful of two ends with about two hemispheric end sockets (4) to be connected bung flange (3) and seal washer (5) is formed by fixedly connecting.Is one to handle draining valve and open the bulb of handling knob (1) that carries out the draining flushing in the outside of water tank end face, the valve rod (9) of it and minor valve (13) is spirally connected mutually.Valve rod (9) is a hollow, and it stretches from top to bottom, and its end is exactly minor valve (13), and the hollow pipeline (41) of described valve rod (9) connects with the bacterium facial planes of minor valve (13).The tabula face of the level band center through hole in the hollow circuit cylinder intracoelomic cavity of the bacterium portion of minor valve (13) and big valve (17) forms sealing, described minor valve (13) is coaxial arrangement with big valve (17), put on the tabula face of the hollow circuit cylinder intracoelomic cavity (38) of big valve (17) at minor valve (13) under the effect of stage clip (8), accompany small sealing ring (19) between the two.Central axis with large and small valve is served as theme, and the water discharging valve mechanism of whole airtight water tank and time-delay moisturizing self-con-tained unit are to be coaxial arrangement vertically to be combined into one up and down.The hollow time-delay body (15) that the body tubbiness is arranged above the outfall of the bottom surface of described airtight water tank, the drainage connecting pipe (32) in it and the water tank bottom surface outside is coaxial arrangement, be provided with within it and can make the big valve (17) that relatively moves along axis direction, its bottom has limbers (40) on perisporium, provides necessary path for the water in the water tank flows into outfall by it when the draining.Be processed with external screw thread on the periphery wall suitable for reading of described time-delay body (15), it and the screw thread on the lid shape end opening internal perisporium of the hollow sealing pipe (7) that the water tank end face extends vertically downward are spirally connected mutually, form a cavity volume that described big valve (17), minor valve (13), valve rod (9), stage clip (8) are surrounded.Described hollow sealing pipe (7) is the multistage stairstepping, its upper end has the end face driving fit of a flange face and water tank to amplexiform, accompany a sealing ring (6) therebetween, have external screw thread on its top periphery wall, it stretches out the water tank end face from bottom to top, be spirally connected mutually in the outside and a locknut (35), whole sealed tube (7) is fixed on the water tank end face firmly, it has multistage stepped land shape cavity, hold stage clip (8) and sealing and fixing seat (14) and sealing and fixing circle (11) in it respectively, between sealing and fixing circle (11) and sealing and fixing seat (14), accompany sealing ring (12), between the end face of sealing and fixing seat (14) and time-delay body (15), accompany sealing ring (33), sealing ring (6), (12), (21) and the effect of (33) be to prevent that the water in the pneumatic storage tank from can go from these several water tank outside that leak into.Sealing and fixing circle (11) and sealing and fixing seat (14) are designed in order to lay sealing ring (12) and (33) specially.Another effect of sealing and fixing seat (14) is exactly in addition spacing to the ascending motion of the big valve of draining (17).Described big valve (17) is arranged is main draining valve, and minor valve (13) then is to belong to control section together with hollow valve stem (9).Described valve rod (9) can be divided into two sections, adjusts nut (10) with one therebetween and is connected.Adjust the spring base that nut is also used as stage clip (8), also play the effect that the elastic force of stage clip (8) is regulated, this has just realized sooner or later the adjusting of the last shut-in time of water discharging valve be that is to say, the time length of time-delay moisturizing has been adjusted.Described big valve (17) is positioned in the hollow cavity of described time-delay body (15), it includes plane and circular lower plane on the circle that is horizontal arrangement that is parallel to each other, there is a hollow circular cylinder that it is spaced apart therebetween, and become one with it and to be connected, form the structure of a bobbin shape, have and hold a minor valve (13) within the described hollow circular cylinder in the chamber, minor valve (13) is put on the tabula face of central authorities (42) with holes in the hollow circuit cylinder intracoelomic cavity, is separated with a small sealing ring (19) therebetween.Side face groove on the last plane of big valve (17) is embedded with a sealing ring (16), it makes, and wall keeps the dynamic seal (packing) relation within big valve (17) and the time-delay body (15), and big valve (17) the pressure differential effect between the lower plane thereon can freely move up and down in the inner chamber of time-delay body (15) down.Downside at the circular lower plane of big valve (17) has a large sealing packing ring (18), the end face suitable for reading of it and drainage connecting pipe (32) constitutes sealing, fixedly plug screw (20) inserts in the inner chamber (38) of described hollow circular cylinder from bottom to top, the perisporium bottom is spirally connected mutually between the bar portion of plug screw (20) and the described hollow circular cylinder, center through hole (42) is arranged on the bar end surface of plug screw (20), and week is along posting a small sealing ring (19), small sealing ring (19) forms sealing with minor valve (13) when closing, the bacterium facial planes of plug screw (20) then plays sealing (18) greatly is close to clamping action on the circular lower plane, and the bar end surface of plug screw (20) plays at described hollow circuit cylinder intracoelomic cavity and forms an effect of shelving and form the tabula face of sealing for minor valve (13) when closing.On the circle of described big valve (17) central authorities on plane have a valve rod (9) that allows minor valve (13) by but central aperture that the bacterium facial planes of minor valve (13) can't pass through, the hollow valve stem (9) of described minor valve (13) pass from bottom to top this central aperture, again pass sealed tube (7), pass described water tank end face and be spirally connected mutually in the end face outside and the bulb of handling knob (1) always.（1）（34）、（13）（41）,（17）：（1）（34）→（13）（41）→（10）→（13）→（20）（42）→（15）（40）→（2）。Because the existence of this air suction way, when the elastic force that the big valve of draining (17) is upwards being mentioned, water in the water tank of pressure water-saving flushing device for toilet is compressed air was released downwards, extraneous air will enter into by above-mentioned path in the inner chamber of water tank (2).This is a kind of with making-up air device and the water discharging valve lifting appliance design scheme that two combine into one, it improved the confined space in the vapour-pressure type tank box utilization rate, also reduced manufacturing cost, more valuable is the reliability of its tonifying Qi performance.Have the duct (39) that chamber (38) is linked up within inwardly tiltedly logical and the described hollow circular cylinder downwards in plane upper side on the circle of big valve (17).Above length has mainly been narrated " two-in-one " of the present utility model air admission system, and the time-delay water charging system that automatic control has been described in detail in detail.

Be that the water inlet pipe system is described below.

Be fixed with a water inlet pipe (23) that stretches vertically upward on the inside bottom surface of the water inlet of airtight water tank of the present utility model (2), its height is about about half of water tank cavity vertical height.Be fixed with a water inlet base (28) on the outside bottom surface of water tank, the two is spirally connected mutually, and the water clock and the sealing function of anti-sealing played in sealing ring (26), (27).On the cylinder perisporium of described time-delay body (15) and water inlet pipe (23), have face to face and limbers (36), (37) of coaxial arrangement, have communicating pipe (22) that they are communicated with each other therebetween.The tabula face that one tape guide hole (44) is arranged in the tube chamber of water inlet pipe, at the inner chamber of described water inlet base (28) tabula face with central weep hole (43) is arranged, between described two tabula faces, be provided with a gravity closed type one way valve, central water outlet through hole (43) on valve head of its weight shape (29) and the tabula face forms the gravity-type sealing, the afterbody of one way valve has a guide peg (25), and it passes the pilot hole (44) of water inlet pipe tabula face central authorities from bottom to top.Water inlet pipe adopts outer tube (23) and interior pipe (24) to be composited in the present embodiment, and it is interior that the tabula face in described tape guide hole (44) is arranged in interior pipe (24), and (30) are water base linkages into, and (31) are the sealing rings at this place.

Airtight water tank of the present utility model adopt by the central portion (2) of smooth mouthful of two ends with about two hemispheric end sockets (4) tighten up and be formed by connecting to be connected bung flange (3) and sealing ring (5).Pressure water-saving flushing device for toilet of the present utility model can be realized overall plasticization basically.Thereby it is cheap, do not have iron rust, clean appearance attractive in appearance.Also can adopt metal construction.

The course of work of the present utility model is described below:

When using the utility model flushing device for toilet, as long as bulb (1) upwards promotes about about 1 centimeter distance handling knob, the identical distance of the also corresponding rising of minor valve (13) with valve rod (9), then the sealing ring (19) on the tabula face of the band center through hole of the hollow circuit cylinder intracoelomic cavity (38) of minor valve (13) and big valve (17) breaks away from, the water in the chamber flows to hollow circuit cylinder intracoelomic cavity (38) by tiltedly logical duct (39) above the valve (17) greatly, and the center through hole and the drainage connecting pipe (32) of the hollow plug screw (20) bottom big valve enter flush toilet again.After current above the big valve (17) in the chamber lose, big valve (17) rises automatically under the effect of water tank pressure inside, the central core of circulation of draining valve is got through, at this moment, the water in the water tank under the compressed-air actuated elastic force effect in top bottom time-delay body (15) limbers (40) on the perisporium flow through drainage connecting pipe (32) and enter flush toilet it is washed.When a large amount of water was discharged in water tank, extraneous air was sucked into water tank is carried out tonifying Qi.The ascending motion of big valve (17) is subjected to the spacing of sealing and fixing seat (14), and the rising of big valve (17) just stops when the lower edge and the last plane of big valve (17) of holder (14) are inconsistent.When water base emptying in the water tank, pressure in the water tank were lower than the hydraulic pressure of running water pipe, water inlet pipe (23) began water inlet.Because the height of water inlet pipe (23) is higher than the level height of communicating pipe (22), so, this differential water pressures causes feed water flow to produce one horizontal shunting, this strand laterally shunting passes through communicating pipe (22) and limbers (36), (37) entering big valve (17) goes up in the top chamber on plane, emptying along with quantity of water in water tank, pressure below the big valve (17) is gone up the pressure of plane with upper plenum less than big valve (17), this pressure differential be aided with stage clip (8) to down spring big valve (17) is moved back into the upper port plane of drain connection (32) to fit on the position of connecting airtight, at this moment, water tank is in the air-tight state that is hedged off from the outer world again.

Claims

1, a kind of pressure water-saving flushing device for toilet, the handle that it includes airtight airtight water tank, is provided with water inlet and outfall and handles the water discharging valve keying thereon is characterized in that:

A, the hollow time-delay body (15) of tubbiness is arranged above the outfall of the bottom surface of described airtight water tank, the drainage connecting pipe (32) in it and the water tank bottom surface outside is coaxial arrangement, be provided with within it and can make the big valve (17) that relatively moves along axis direction, have limbers (40) on its bottom perisporium

The lid shape end opening with the hollow sealing pipe (7) that extends vertically downward from the water tank end face suitable for reading of b, described time-delay body (15) is fixed with one mutually and is coaxial arrangement, is lined with sealing ring (33) therebetween,

C, described big valve (17) include plane and lower plane on the circle that is horizontal arrangement that is parallel to each other, there is a hollow circular cylinder that it is spaced apart therebetween, and become one with it and to be connected, form a bobbin shape structure, in chamber within the described hollow circular cylinder, hold a minor valve (13), described minor valve (13) is put on the tabula face of central authorities (42) with holes of hollow circuit cylinder intracoelomic cavity, forms sealing between the two when closing

The central authorities on plane have a through hole on the circle of d, described big valve (17), the valve rod (9) of described minor valve (13) pass from bottom to top this through hole, again pass sealed tube (7), always pass described water tank end face, interconnect with the bulb of handling knob (1) in the end face outside

E, on plane on the circle of described big valve (17), have to the logical duct of linking up with described hollow circuit cylinder intracoelomic cavity (38) (39) of declivity.

2, pressure water-saving flushing device for toilet as claimed in claim 1, it is characterized in that: post a large sealing packing ring (18) on the circular lower plane of described big valve (17), the sealing ring that one hollow arranged the fixedly bar portion of plug screw (20) inserts the inner chamber (38) of described hollow circular cylinder from bottom to top, the two is spirally connected, large sealing packing ring (18) is clamped between the bacterium facial planes of circular lower plane and described plug screw (20), center through hole (42) is arranged on the bar end surface of plug screw (20), and week along posting a small sealing ring (19), small sealing ring (19) forms with minor valve (13) when minor valve is closed and seals.

3, pressure water-saving flushing device for toilet as claimed in claim 1, it is characterized in that: the valve rod (9) of described minor valve (13) is elongated hollow tube, its upper end passes water tank (2) end face, center through hole (34) by the bulb of handling knob (1) communicates with ambient atmosphere, and the pipeline of its lower end (41) connects, communicates with the bar end surface center through hole (42) of plug screw (20) with the bacterium facial planes of minor valve (13).

4, as claim 1 or 3 described pressure water-saving flushing device for toilet, it is characterized in that: the valve rod (9) of described minor valve (13) is divided into two sections up and down, the centre interconnects with adjusting nut (10), and adjusting nut (10) is again the spring base that is positioned at the stage clip (8) of its top.

5, pressure water-saving flushing device for toilet as claimed in claim 1, it is characterized in that: described hollow sealing pipe (7) has multistage stepped land shape cavity in it, hold stage clip (8) and sealing and fixing seat (14) and sealing and fixing circle (11) in it respectively, between sealing and fixing circle (11) and sealing and fixing seat (14), accompany sealing ring (12), between the end face of sealing and fixing seat (14) and time-delay body (15), accompany sealing ring (33).

6, pressure water-saving flushing device for toilet as claimed in claim 1, it is characterized in that: on the inside bottom surface of the water inlet of described airtight water tank (2), be fixed with a water inlet pipe (23) that stretches vertically upward, half that it highly is about the water tank cavity vertical height, and on outside bottom surface, being fixed with a water inlet base (28), the two is spirally connected mutually.

7, pressure water-saving flushing device for toilet as claimed in claim 6, it is characterized in that: tabula face with central weep hole (43) is arranged at the inner chamber of described water inlet base (28), and the tabula face in a tape guide hole is arranged in the tube chamber of described water inlet pipe, between described two tabula faces, be provided with a gravity closed type one way valve, central weep hole (43) on valve head of its weight shape (29) and the tabula face forms the gravity-type sealing, the afterbody of one way valve has a guide peg (25), and it passes the into pilot hole (44) of the interior tabula face central authorities of water tube chamber from bottom to top.

8, pressure water-saving flushing device for toilet as claimed in claim 7, it is characterized in that: on the cylinder perisporium of described time-delay body (15) and water inlet pipe, have face to face and limbers (36), (37) of coaxial arrangement, have communicating pipe (22) that they are linked up therebetween.

9, pressure water-saving flushing device for toilet as claimed in claim 1 is characterized in that: described airtight water tank be by the central portion (2) of smooth mouthful of two ends with about two hemispheric end sockets (4) be fastenedly connected and form to be connected bung flange (3) and seal washer (5).