CN2156360Y - Clean automatic water tap - Google Patents

Abstract

The utility model relates to an automatic cleaning water tap, which is composed of a button 1, a valve cap 2, an infrared control box 22, a permanent magnet 5, an electric magnet 8, a valve cover 6, a valve body 15, a sealing cylinder 7, an iron core 20, springs 4 and 9, a sealing ring 21 and a sealing block 19, wherein, the sealing ring 21 is arranged on the upper end of a water outlet 16, and the iron core 20 is movably arranged in the sealing cylinder 7. The sealing block 19 is fixed on the lower end of the iron core 20 and is cooperatively connected with a water discharge hole 18 on the sealing ring 21. The permanent magnet 5 and the electric magnet 8 are sheathed on the sealing cylinder 7. The infrared control box 22 and the electric magnet 8 are connected with an electric source by a conductor wire. The utility model has simple structure, good sealing performance, automatic closing when electricity is provided, manual closing when the electricity is not provided, sensitive closing and cleanness.

Description

Clean automatic water tap

The utility model relates to mechanical engineering technical field, specifically a kind of cleaning automatic faucet that uses that directly connects with pipe head.

At present, generally make cylinder iron (or cast copper, stainless steel) water tap be connected in pipe head and control the open close of water, the handle of rotary swivel makes valve body and spool and rubber seal that friction widely be arranged, and its spoilage is very high; Its open and close process is long, causes the waste of water; Its handle is often contaminated, very unclean health; Especially in public places, the medium of bacteria-travelling especially.For this reason, CN2066098U, CN2063192U has announced " infrared reflection sanitary water-saving device " and " the infrared rays water valve is controlled water supply device automatically " respectively, though they have the wide characteristics of water saving, health and using scope, but, the former sealability is relatively poor, during non-transformer, opens water economizer and be unable to do without operation externally all the time; The latter installs a valve of being made up of infrared sensor, relay, solenoid valve in water pipe, it installs, uses all inconvenient, and practicability is relatively poor.

The purpose of this utility model is the shortcoming at above-mentioned water tap, designs a kind of simple in structure, good seal performance, and is not fragile, having the non-transformer situation all to open and close sensitivity, and safe and reliable, practical cleaning automatic faucet.

The utility model is to realize like this, it is by valve body, valve gap, bonnet, seal ring, sealing block, iron core, sealing drum, permanent magnet, electromagnet, spring, the infrared control box is formed, the vertical perforation with water outlet of water intake is in valve body, seal ring is installed in the valve body of water outlet upper end and with valve pocket and is separated into epicoele and cavity of resorption, have weep hole and water inlet on the seal ring, sealing drum is connected the valve body upper end in valve gap, the iron core head is in sealing drum, the iron core upper end is connected with spring, the iron core lower end is connected with sealing block and sealing block is positioned at seal ring central authorities weep hole upside, permanent magnet, electromagnet sleeve is connected on the sealing drum, permanent magnet is connected the electromagnet upper end, return spring is socketed on the sealing drum between magnet lower end and valve body, bonnet is fixedly connected on the valve gap, and the button head is in bonnet, and the infrared control box is installed in the valve body front end, infrared emission on the Direct box and receive window be towards water outlet, electromagnet, the infrared control box is connected with power supply by lead and socket.

The utility model is simple in structure, low cost of manufacture, and it is convenient that it is installed in the water pipe termination; When power supply is arranged, its automatic opening-closing sensitivity, during non-transformer, manual operation opens and closes also very sensitive, very easy to use; Its long service life, good seal performance, using water wisely, sanitation and hygiene can be widely used in family, hotel and the public place.

Describe in detail below in conjunction with the utility model accompanying drawing.

Fig. 1 is the utility model plan view;

Fig. 2 is the utility model structural representation;

Among the figure: 1, button, 2, bonnet, 3, the guide and limit tube, 4, spring, 5, permanent magnet, 6, valve gap, 7, sealing drum, 8, electromagnet, 9, spring, 10, socket, 11, water intake, 12, filter screen, 13, nut, 14, the dividing potential drop hole, 15, valve body, 16, water outlet, 17, water inlet, 18, weep hole, 19, sealing block, 20, iron core, 21, seal ring, 22, the infrared control box.

Fig. 3 is the utility model circuit diagram.

As Fig. 1, shown in Figure 2, water intake 11 and water outlet 16 orthogonal perforations are in valve body 15, cylindrical shape valve gap 6 is fixed on the upper end of valve body 15, on the inwall in the middle of valve body 15 chambeies, step is arranged, seal ring 21 is divided into epicoele and cavity of resorption in end device on the water outlet 16 on the step of valve body 15 inwalls and with the valve body chamber, seal ring 21 adopts corrosion-resistant, pliable and tough and high elastic rubber is made, and be processed into accordion-like, to strengthen its elasticity, have weep hole 18 and water inlet 17 on the seal ring 21, weep hole 18 be positioned at seal ring 21 central authorities and with water outlet 16 on same shaft axis, water inlet 17 is positioned at weep hole 18 1 sides and diameter is little than weep hole 18 diameters, sealing drum 7 is in valve gap 6, fixing device is on seal ring 21 peripheries of valve body 15 cavity wall steps, make sealing drum 7 and valve body 15 sealings, head cored 20 in the sealing drum 7, iron core 20 and weep hole 18 and water outlet 16 are also on same shaft axis, iron core 20 lower ends are nested with sealing block 19, it is preferable that sealing block 19 selects for use rubber to make, sealing block and weep hole 18 are sealed and matched, iron core 20 upper ends are connected with return spring 4, the other end of spring 4 is in sealing drum 7 upper ends, permanent magnet 5 is actively socketed on the sealing drum, electromagnetic block 8 is socketed on the sealing drum 7 and with permanent magnet 5 lower ends and is bonded into the concentric circle assembly, return spring 9 is socketed on the sealing drum 7 in magnet assemblies and 15 of valve bodies, the tension force of spring 9 cooperates permanent magnet 5 and electromagnet 8 to do greater than spring 4 tension force to guarantee iron core 20, following motion, bonnet 2 is connected with valve gap 6 upper ends, bonnet 2 inboards are fixed with guide and limit tube 3, button 1 is movably arranged in the guide and limit tube 3, have two on the guide and limit tube 3 with upper groove 24 equidistantly, column-shaped projection 23 with guide and limit tube 3 grooves 24 corresponding matching is arranged on the button 1, the guide and limit tube 3 here moves up and down guiding and spacing permanent magnet 5 and electromagnet 8 on sealing drum 7 for button 1, valve body 15 1 ends that have water intake have dividing potential drop hole 14, enter the pressure of water in the valve body chamber with reduction, device has filter screen 12 in the water intake 11, the nut 13 that is connected with water pipe is installed on the tube wall of water intake 11, one side device of valve gap 6 has power socket 10, infrared control box 22 is fixed on valve body 15 front ends, infrared control box 22 lower ends have infrared external reflection and receive window, the infrared control circuit board is installed in the infrared control box 22, wherein, by 78L05 three terminal integrated voltage stabilizer IC1 and capacitor C 1, C2 constitutes mu balanced circuit, by NE555 time-base integrated circuit IC2, TLN107 infrared transmitting tube D and resistance R 1, R2, R3, R4, C3, C4 and socket LN form the infrared emission circuit, by F007 or μ A741 computing amplification circuit IC3, the phase-locked decoder ic IC4 of LM567, TLP107 infrared reception triode BG1 and peripheral resistance R 4, R5, R6, capacitor C 5, C6, C7, C8, the infrared receiving circuit that C9 forms is by 9013 silicon triode BG2, TDC2A25v dc solid-state relay IC5, electromagnetic coil FD and resistance R 7, R8 forms executive circuit (referring to Fig. 3).They all are common circuit, and it is formed and Connecting format also is common circuit.FD in the circuit is the electromagnet 8 among Fig. 2, and LN is the socket 10 among Fig. 2.D infrared transmitting tube and BG1 infrared receiving tube are installed in the window of infrared control box lower end.Valve body in the utility model, bonnet, valve gap, sealing drum, infrared control box are all optional made of plastic.

The utility model is connected the water pipe termination by nut 13, in the use, after socket 10 access 12V DC electrical source, the astatic multivibrator work that IC2 constitutes, oscillator signal is from the 3 pin output of IC2, through making infrared transmitting tube D outside the Direct box window, launch infrared pulse signal after the R3 current limliting, when nobody water below the utility model front end, infrared pulse signal receives through the reflection of pond face and by BG1, is input to the 3rd pin of IC4 after IC3 amplifies, at this moment, the 8th pin output low level of IC4 is ended BG2, the IC5 Triggerless, and FD does not have, be not have electricity in electromagnet 8 coils, the utility model is in closed condition; When at the utility model front lower place water, the infrared pulse signal that D launches is blocked by the water object, BG1 does not receive infrared pulse signal, at this moment, IC4 the 8th pin output becoming high level, the BG2 conducting, the IC5 conducting that is triggered, FD gets, be electromagnet 8 electric and produce suction and overcome spring 4 tension force and pick up iron core 20, weep hole 18 is opened, cavity pressure reduces and immediately less than cavity of resorption on the valve body of seal ring 21 upsides, upper and lower cavity pressure difference is with seal ring 21 jack-up of water outlet 16 upper ends, water outlet 16 water outlets; When the water thing left, the infrared pulse signal that infrared transmitting tube D is launched was received by BG1, the coil losing electricity of electromagnet 8, magnetic force disappears, and under return spring 4 effects, iron core 20 resets, weep hole 18 sealings, seal ring 21 resets rapidly and seals water outlet 16 upper ends, and water outlet 16 stops water outlet.During power failure, push button 1, button 1 moves downward and oppresses the tension force that permanent magnet 5 overcomes return spring 9 along guide and limit tube 3 and moves downward, when permanent magnet 5 during to certain position, it just replaces the exiting water process that electromagnet 8 repeats above-mentioned water outlet 16, if keep water outlet, only need rotating key 1, its projection 23 is in the groove 24 of pairing guide and limit tube 3 lower ends, button 1 is locked, permanent magnet 5 is also with its locking, water outlet 16 keeps water outlet, and after the turn button made projection 23 leave groove 24, permanent magnet 5 is return under spring 9 tension force effects, as the above-mentioned exiting water process that stops, water outlet 16 stops water outlet.

The utility model adopts infrared control device, employing sealing drum isolation permanent magnet, electromagnet and iron core and top sealing block thereof are controlled the pass of weep hole and are closed, and realize opening and closing of water outlet, and when electricity is arranged, the automatic opening-closing water outlet, when not having electricity, manually open and close water outlet, it is big with little control, seal tight, operate spry and light, sensitivity, safe in utilization; Its long service life, water-saving result is good, sanitation and hygiene; Manufacturing process is simple, and cost is low.

Claims (5)

1, a kind of by button 1, bonnet 2, permanent magnet 5, valve gap 6, valve body 15, the cleaning automatic faucet that seal ring 21 constitutes, it is characterized in that sealing drum 7 in addition, spring 4 and 9, electromagnet 8, infrared control box 22, seal ring 21 installs in valve body 15 in water outlet 16 upper ends and with valve pocket and is separated into epicoele and cavity of resorption, have weep hole 18 and water inlet 17 on the seal ring 21, sealing drum 7 is connected valve body 15 upper ends in valve gap 6, iron core 20 heads are in sealing drum 7, iron core 20 upper ends are connected with spring 4, the lower end of iron core 20 is connected with sealing block 19, sealing block 19 is positioned at weep hole 18 upsides on the seal ring 21, permanent magnet 5, electromagnet 8 is socketed on the sealing drum 7, spring 9 is socketed on the sealing drum 7 in permanent magnet 5 and 15 of valve bodies, bonnet 2 is fixed on the valve gap 6, button 1 head is in bonnet 2, infrared control box 22 is installed in valve body 15 front ends and its infrared emission and receive window towards water outlet 16, and electromagnet 8 is connected with socket 10 or power supply by lead with infrared control box 22

2,, it is characterized in that weep hole 18 diameters are big than water inlet 17 diameters on the seal ring 21 according to the described water tap of claim 1.

3,, it is characterized in that the tension force of the tension force of spring 9 greater than spring 4 according to the described water tap of claim 1.

4, according to the described water tap of claim 1, it is characterized in that guide and limit tube 3 is housed in the bonnet 2, have two on the guide and limit tube 3 with upper groove 24, the projection 23 with guide and limit tube 3 upper grooves 24 corresponding matching is arranged on the button 1.

5,, it is characterized in that intake apparatus has filter screen 12 according to the described water tap of claim 1.

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