CN2307839Y - Machinery automatic flush valve for toilet - Google Patents

Abstract

The utility model discloses a machinery automatic flushing valve for a toilet, which is composed of a valve body, an internal time-delay mechanism of the valve body, a valve core, etc. When the utility model is used for flushing of the toilet, the machinery automatic flushing valve for a toilet can complete the full automatic flushing without any special operation of users of the toilet. Since the machinery automatic flushing valve for a toilet has an environmental protecting function, an automatic maintenance function, and a design of long service life. The machinery automatic flushing valve for a toilet which directly uses tap water is buried below the ground next to the toilet or is buried below the ground on the lower part of a door pivot of a closet or in a wall close to the door pivot, and through treading pedals or closing and opening the door, the users of the closet can control the machinery automatic flushing valve for a toilet.

Description

The flushing valve after an action of the bowels of machinery full-automatic toilet

The utility model relates to the flushing valve after an action of the bowels of a kind of mechanical full-automatic toilet, belongs to lavatory closet flushing device, also can be used as hydraulicdriven by-pass valve control.

Existing market sell and the kind of the toilet stool washing valve of social popularity or device a lot of, finding is maximum is that the sort of very important person carries out the delay self-closing valve by, the generic operation pulling, draw, this is a kind of semi-automatic toilet flush valve.Because they all are to carry out the aforesaid operations flushing that discharges water immediately simultaneously the user, can't realize full-automatic flushing after an action of the bowels; Use this valve that shortcomings such as bothersome, unhygienic are arranged, especially be not suitable for the closet of public place.Automatically controlled flusher has appearred in recent years, can finish full-automatic flushing after an action of the bowels, but,, washes by present automatically controlled flusher after an action of the bowels so being detected in the urinal that does not need big flow of some metropolis or developed area with regard to it seems the also unresolved big flow flushing that various civilian tap water are depressed of dealing with at present.It is reported that the somewhere once attempted electricity consumption stool control mode afterflush device flushing lavatory pan, the result is very fast to have confirmed failure.In addition, electric control gear is except receiving the non-transformer restriction, and also because it needs sensor, control circuit and electromagnetic valve, controlling unit multiple faults possibility is also big.

The purpose of this utility model is to overcome shortcoming of the prior art, provides a kind of and can be used for need not any specialized operations of closet user, automatically finishes the mechanical valve of flusher after an action of the bowels, and this valve reliable operation, performance is good, the life-span is long.

For achieving the above object, the flushing valve after an action of the bowels of the utility model machinery full-automatic toilet is made up of valve body, closing element, time-delay mechanism, admitting pipe joint and titting water outlet; Said closing element comprises the fixing valve core housing 10 of the spool 13 that is arranged on valve seat 15 influent sides and relative valve body 11, spool 13 can move in valve core housing 10 vertically, normally closed plunger 12 and the Chang Kai plunger 16 that there be control hole 25 vertically at spool 13 middle parts and cooperate with it, normally closed plunger 12 can both be done moving relative to spool 13 with Chang Kai plunger 16 in control hole 25, often open between plunger 16 and the normally closed plunger 12 push rod 14 is arranged, often open plunger 16 and can be connected by the valve rod 22 that valve gap 19 and gland 20 move vertically, the pressure relief vent 26 that is communicated with control hole 25 and valve core housing inner chamber 28 is arranged on the stroke of normally closed plunger 12, and valve core housing inner chamber 28 has pore or the finedraw 7 with the valve core housing external communications; Said time-delay mechanism comprises fluid cylinder and the back-moving spring 27 that is made of the piston 5 of fixing, be arranged on the cylinder body 4 between water supply connector 1 and the valve core housing 10 relative to valve body 11 and can move vertically in cylinder barrel, piston 5 is connected mutually with normally closed plunger 12, and there is unilateral gate 2 and the damping hole 33 that is communicated with the fluid cylinder outside fluid cylinder inside.

The valve core housing 10 of above-mentioned flushing valve can be integrally manufactured with fluid cylinder cylinder body 4, by two groups every group plural lug 3 of periphery and 6 and valve body fix, 4 of valve core housing 10 and fluid cylinder cylinder bodies are separated by dividing plate 29, between cylinder base and dividing plate 29 balance pipe 30 are arranged.Also can be provided with on the sidewall of described cylinder body 4 and be communicated with the inside and outside acceleration hole 31 of cylinder body.

Described admitting pipe joint 1 and preferably movable joint of titting water outlet 24; The constriction that titting water outlet 24 preferably has internal diameter to change from small to big from large to small again has the air inlet 23 with the valve exterior near minimum diameter.

Can be provided with in described valve rod 22 outer ends can be by the mobile vertically nut 21 of screw thread; Shoulder 17 also can be set on valve rod 22, and shoulder and 19 of valve gaps have offset plate 18.

Described push rod 14 is preferably with often to open plunger 16 integrally manufactured, also can be integrally manufactured with normally closed plunger 12, and its external diameter should be less than control hole 25 internal diameters.

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is the structural representation of the utility model flushing valve.

Effect of this flushing valve and various function are to realize by valve rod 22 moving vertically.During as the toilet stool washing purposes, can make a control box in addition this flushing valve is encased, admitting pipe joint 1 and titting water outlet 24 are fixed with control box; The control box that comprises this valve connects the underground that can be embedded in the other toilet user step of closet position behind the pipeline, pedal control mechanism is set, on the pedal stand-down, by pedal or by pedal moving axially by lever control valve rod 22.This flushing valve also can be controlled by the lavatory door: the control box that comprises this flushing valve is embedded near door-hinge below underground or the door-hinge the body of wall, realizes moving axially of valve rod 22 by the action of opening the door of closing the door of toilet user by cam or leverage.

This flushing valve is when washing purposes in the closet, and admitting pipe joint and titting water outlet are preferably all made movable joint, keeps in repair so that can take out this flushing valve from control box when breaking down in using.For making assembling simple, reliable, valve core housing 10 preferably and fluid cylinder cylinder body 4 integrally manufactured, periphery is established two groups of lugs, every group of three lugs preferably, fix with valve body by boss on the valve body 8 and jump ring 32, the two ends that also can establish two groups of lugs of another jump ring in boss 8 positions are all fixed by jump ring.Unilateral gate 2 and damping hole 33 preferably are located at the cylinder body top, and damping hole 33 is near unilateral gates 2, when moving in rapidly with convenient valve rod 22, damping hole 33 obtain the high speed water that penetrates by unilateral gate 2 laterally in wash, avoid that dirt stops up damping hole in the water; Unilateral gate 2 and damping hole 33 also can be arranged on piston 5 or the piston rod 9.Quicken hole 31 and should be arranged on when piston 5 reseting procedures pass through to quicken the hole, be not advisable so that the distance of spool 13 and valve seat 15 does not influence the design discharge of this valve; The consideration of quickening the hole pore size will take into account the water attack factor; The main effect of quickening the hole is set is the negative pressure avoiding causing in the slow pass closed procedure of common valve exit dirt suction line, work to protect the water source.The preferably equally distributed porous form of balance pipe 30 fully is communicated with cylinder body is outside, in order to avoid influence the pressure of valve core housing inner chamber 28 by finedraw 7 when piston moves to right rapidly.For making compact conformation, back-moving spring 27 preferably adopts the turriform spring.Before its seal arrived pressure relief vent 26 when the position of pressure relief vent 26 should make normally closed plunger 12 move to right under push rod 14 effects, often open plunger 16 seals and entered control hole 25.The size of pressure relief vent 26 and finedraw 7 should make when valve rod 22 and Chang Kai plunger 16 reset, and the flow that flows out through pressure relief vent 26 and control hole 25 from valve core housing inner chamber 28 is greater than the flow by inflow valve core housing inner chambers such as finedraw 7 and spool 13 and 10 gaps of valve core housing.Internal diameter constriction and air inlet 23 are set on titting water outlet 24, and it mainly acts on and is: the first, overcome the formation of negative pressure, and avoid dirt suction line in the closet; The second, when the control box that comprises this flushing valve is embedded in the underground use, take the interior ponding of box that a variety of causes causes away, guarantee no ponding in the box; The 3rd, entrained air in flushing water basic is guaranteeing under the flushing water pressure prerequisite, is playing the using water wisely effect.This joint also can be arranged on this flushing valve other positions to the closet pipeline, and the minimum diameter of constriction should and be washed the latus rectum of valve less than inlet pipeline in this, and near the air inlet 23 that is arranged on the minimum diameter preferably is partial to minimum diameter place water outlet side.

The washing time of this flushing valve can be regulated.Time is regulated by regulating nut 21 and realizes, under the stroke permanence condition of the effect of this flushing valve of bound pair outside, can change the stroke of valve rod 22 by adjusting nut 21, thereby change the liquid displacement of fluid cylinder, reaches the purpose that changes washing time.

The utility model compared with prior art has following advantages.

1. because the utility model flushing valve is when the external force of control valve rod 22 is removed and valve rod 22 reaches After often opening plunger 16 and resetting, spool just separates with valve seat implements flushing, thus available it make full automatic Flusher after an action of the bowels.

2. control aperture and the pipeline hydraulic pressure of advocating to depend on control hole 25 of the utility model flushing valve, Do not rely on the design latus rectum of flushing valve, so control easily, easily, reliably.

3. the setting of internal diameter constriction and air admission hole 23 and accelerate hole 31 on water out adapter or the outlet pipeline Setting, on the one hand overcome the formation of closet supply line negative pressure, so that can directly be connected to this flushing valve Tap water pipe line and the water source is polluted. On the other hand air-breathing by air admission hole or draw water, so that Can be embedded in this flushing valve subsurface and guarantee and save the water source under the flushing water pressure prerequisite.

4. damping hole 33 is located near the unilateral gate 2, so that when using this flushing valve, along with piston 5 at every turn Move to right rapidly, this very easily blocked major failure point of damping hole obtains full maintenance, adds system Note crudy that control hole, fluid cylinder inwall etc. are located and the selection of encapsulant when making, just can reach very Long no-failure life.

Claims (8)

1. mechanical full-automatic toilet flushing valve after an action of the bowels, by valve body, closing element, time-delay mechanism, admitting pipe joint and titting water outlet are formed, it is characterized in that: said closing element comprises the spool (13) and the fixing valve core housing (10) of relative valve body (11) that is arranged on valve seat (15) influent side, spool (13) can move in valve core housing (10) vertically, there is control hole (25) and the normally closed plunger (12) that cooperates with it vertically at spool (13) middle part and often opens plunger (16), normally closed plunger (12) with often open plunger (16) and can both in control hole (25), do moving relative to spool (13), often open between plunger (16) and the normally closed plunger (12) push rod (14) is arranged, often open plunger (16) and can be connected by the valve rod (22) that valve gap (19) and gland (20) move vertically, the pressure relief vent (26) that connection control hole (25) and valve core housing inner chamber (28) are arranged on the stroke of normally closed plunger (12), valve core housing inner chamber (28) has pore or the finedraw (7) with the valve core housing external communications, said time-delay mechanism comprises by relative valve body (11) fixing, fluid cylinder and back-moving spring (27) that the piston (5) that is arranged on the cylinder body (4) between water supply connector (1) and the valve core housing (10) and can moves vertically in cylinder barrel constitutes, piston (5) is connected mutually with normally closed plunger (12), and there is unilateral gate (2) and the damping hole (33) that is communicated with the fluid cylinder outside fluid cylinder inside.

2. mechanical full-automatic toilet according to claim 1 flushing valve after an action of the bowels, it is characterized in that described valve core housing (10) and fluid cylinder cylinder body (4) are integrally manufactured, fix by two groups every group plural lug of periphery (3) (6) and valve body, separate by dividing plate (29) between valve core housing (10) and fluid cylinder cylinder body (4), between cylinder base and dividing plate (29), balance pipe (30) is arranged.

3. mechanical full-automatic toilet according to claim 1 flushing valve after an action of the bowels.The sidewall that it is characterized in that described cylinder body (4) is provided with the inside and outside acceleration hole (31) of connection cylinder body.

4. mechanical full-automatic toilet according to claim 1 is washed valve in after an action of the bowels, it is characterized in that described admitting pipe joint (1) and titting water outlet (24) all are movable joints.

5. according to claim 1 or 4 described mechanical full-automatic toilet flushing valves after an action of the bowels, it is characterized in that the constriction that described titting water outlet (24) has internal diameter to change from small to big from large to small again, the air inlet (23) with the valve exterior is arranged near minimum diameter.

6. mechanical full-automatic toilet according to claim 1 flushing valve after an action of the bowels is characterized in that there is the nut (21) that can move vertically by screw thread described valve rod (22) outer end.

7. according to claim 1 or 6 described mechanical full-automatic toilet flushing valves after an action of the bowels, it is characterized in that shoulder (17) is arranged on the described valve rod (22), between shoulder and valve gap (19) offset plate (18) is arranged.

8. mechanical full-automatic toilet according to claim 1 makes the afterflush valve, it is characterized in that described push rod (14) and often to open plunger (16) integrally manufactured, and its external diameter is less than control hole (25) internal diameter.

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