CN208839142U - A kind of back flushing type front filter device and its backwash universal valve - Google Patents

Abstract

The utility model discloses a kind of novel backwashing universal valve of back flushing type front filter device and application on the apparatus.Back flushing type front filter device includes filter, the sewage draining exit of belt switch, water purification storage tank and backwash universal valve, avoids the secondary pollution problem in cleaning process compared with prior art, improves the cleaning effect of backwashing function.Backwash universal valve includes water inlet pipe, outlet pipe, backwash water pipe and steering mechanism, can be mounted on the water inlet pipe and outlet pipe of multiple angles compared with prior art, also achieve the backwashing function of filter.Protection and filter life can also be extended to hydraulic pressure and flow auto-control, so that the pressure flow balance and stability of water system, when use allows people to feel more convenient.

Description

A kind of back flushing type front filter device and its backwash universal valve

Technical field

The utility model relates to the water filtration purifiers of the preposition processing of the field of water purifier, especially household.

Background technique

Water filter is not only widely applied in industrial and agricultural production, also has in the daily life of average family certain general And degree.Currently, the water purifier that some families use is fore filter, it is mounted at the total water inlet pipe of family.Before these Filter is set usually using an entry/exit water valve, a sewage draining exit and a filter core to realize purification function.

But existing fore filter structure is too simple, does not adapt to the mounting condition of some of complex.Clean filter core When, then it is the water source for directly using water inlet line, does not still can effectively clear molecule, the big discounting of cleaning effect actually Button, also cannot achieve the function of being backwashed to filter core.

Utility model content

In order to solve the problems, such as in background technique present in existing fore filter one or more, the utility model is mentioned Following technical scheme has been supplied, and has been explained to the relevant effect of technical solution.

A kind of backwash universal valve, including water inlet pipe, outlet pipe, backwash water pipe and steering mechanism；

Steering mechanism includes pedestal, the steering wheel linked with pedestal rotation, steering shaft；Steering shaft is located at the normal of pedestal On, steering shaft is the hollow structure of both ends open and is connected with pedestal；Pedestal includes the first opening, the second opening, and second opens The bottom of mouth connection steering shaft；

Water inlet pipe is located at pedestal or steering wheel, and one end is connected to outer water tube, the first opening of other end connection；

Outlet pipe is located at steering wheel, and one end is connected to outer water tube, the second opening of other end connection, and links simultaneously with steering shaft Around steering shaft rotary moveable；Outlet pipe further includes third opening, is connected to one end of backwash water pipe；

It backwashes water pipe one end and is connected to external water storage apparatus, the other end is connected to third opening.

Compared with the prior art, the effect of this backwash universal valve is:

Water inlet pipe, outlet pipe and recoil may be implemented in the case where guaranteeing the normal situation of inlet/outlet water (flow) direction in steering mechanism Wash water pipe is acted foolishly with multiple angles combination and is installed, and the application environment of some complexity has been adapted to.Backwashing water pipe is from clean Water source introduces the function that water flow is backwashed and provides channel.

Further, backwash universal valve also has sealing rubber ring, and sealing rubber ring is located at pedestal, steering wheel and steering shaft Junction, to ensure the watertightness of valve inner.

Further, backwash universal valve further includes operating mode device, and operating mode device is located at outside universal valve, Working mould Formula device is electronic device or calutron.Operating mode device controls water inlet pipe, outlet pipe and the conducting/closure for backwashing water pipe State, cooperation external filter devices realize the function that selection is carried out to filtered model or cleaning mode.Work as external filter devices When for filtered model, water inlet pipe and outlet pipe, backwash water pipe guide logical a period of time, to external water storage is connected in operating mode device Equipment exports filtered water, is then closed again.When selecting cleaning mode, operating mode device is first closed water inlet pipe and goes out Water pipe, then conducting backwash water pipe, is cleaned with the clean water source for being originally stored in external water storage apparatus.It can also be to water Pressure and flow auto-control, so that the pressure flow balance and stability of water system.

Further, operating mode device is electronic device；Electronic device includes power supply, control circuit, stepper motor and valve Door；Control circuit includes microprocessor or chip, key circuit, status lamp or display screen；Valve is located at water inlet pipe, water outlet Pipe and backwash water pipe；Control water inlet pipe, outlet pipe and the conducting/closed state function of backwashing water pipe may be implemented.

Further, operating mode device is calutron；Calutron includes power supply, control circuit, electromagnetic valve；Electromagnetism Valve is located at water inlet pipe, outlet pipe and backwash water pipe；Control circuit includes microprocessor or chip, key circuit, state Lamp or display screen；Control water inlet pipe, outlet pipe and the conducting/closed state function of backwashing water pipe may be implemented.

Further, backwash water pipe is also connected with water pump, for controlling inlet/outlet rate, improves cleaning efficiency.

Using a kind of back flushing type front filter device for backwashing universal valve mentioned by aforementioned schemes, including filter, band Sewage draining exit, water purification storage tank and the backwash universal valve of switch；

Filter includes filtered water inlet mouth, filter chamber, filtration members and filtering water outlet；Filter chamber is located at filtration members periphery； Filtered water inlet mouth is connected to filter chamber, and filtering water outlet is connected to filtration members；Filter is to be detachably connected with backwash universal valve；

Sewage draining exit one end of belt switch is connected to filter chamber, outside other end communication apparatus；

Backwash the filtered water inlet mouth of the first open communication filter of universal valve, the filtering of the second open communication filter Water outlet backwashes one end connection water purification storage tank of water pipe；

Filtration members are that perhaps strainer filter core or strainer are the netted stainless steel structure of multilayer to filter core, the net between each layer Eye all mutually staggers.

Compared with the prior art, the beneficial effect of this back flushing type front filter device is:

It backwashes water pipe and cooperates water purification storage tank, obtain clean water source in advance, recycle these clean water source cleaning filtration members Function, avoid the water flow washing and filtering part bring secondary pollution problem using former water inlet line, enhance cleaning effect. The use for backwashing universal valve extends water inlet pipe, outlet pipe and the mutual rotation angle of sewage draining exit, in some complicated feelings The present apparatus can be also installed under condition.Filtration members design size and character according to actual needs, may filter that not less than 3 micron-scales Particle and microorganism.It can also be to hydraulic pressure and flow auto-control, so that the pressure flow balance and stability of water system.

Further, the sewage draining exit of belt switch, switch are electric switch, operating mode device in electric switch connection scheme one Control circuit；Designer is facilitated to select control mode as needed in this way, moreover it is possible to allow people to facilitate operation in cleaning.

Further, electric switch is the pipeline with spiral valve or threaded knob or piston valve, by stepping Motor control；Electric switch is electromagnetic valve；Electric switch can realize the automatic cleaning function to filter with cooperating mode device.

Further, it is also equipped with water pressure gauge or flowmeter on filter or backwash universal valve, can facilitated The user at scene understands device inside water pressure situation or water consumption situation, to judge the whether normal safety of hydraulic pressure, water consumption Whether beyond expection.

Detailed description of the invention

Fig. 1 is the circuit diagram of the operating mode device of technical solution one；

Wherein: 11, microprocessor/chip；12, power supply；13, key circuit；14, state lamp group；15, display screen；16, it walks Into motor；17, machinery valve；18, electromagnetic valve.

Fig. 2 is the structure sectional view for one of embodiment that technical solution one backwashes universal valve；

Wherein: 21, steering mechanism；211, pedestal；2111, the first opening；2112, the second opening；212, steering wheel；213, Sealing rubber ring；214, steering shaft；22, water inlet pipe；23, outlet pipe；231, third is open；24, water pipe is backwashed；241, water pump； 25, operating mode device；251, stepper motor；2511, machinery valve；252, stepper motor；2521, machinery valve；253, electromagnetism Valve；2531, iron block；2532, electromagnet；254, cable is controlled.

Fig. 3 is the structure sectional view for the another embodiment that technical solution one backwashes universal valve；

Wherein: 31, steering mechanism；311, pedestal；3111, the first opening；3112, the second opening；312, steering wheel；313, Sealing rubber ring；214, steering shaft；32, water inlet pipe；33, outlet pipe；331, third is open；34, water pipe is backwashed；341, water pump； 35, operating mode device；351, stepper motor；3511 machinery valves；352, stepper motor；3521, machinery valve；353, solenoid valve Door；3531, iron block；3532, electromagnet；354, cable is controlled.

Fig. 4 is a kind of structure sectional view of embodiment of the back flushing type front filter device of technical solution two；

Wherein: 41, filter；411 filter chambers；412, filtration members；413, pressure gauge；414, water outlet is filtered；415, mistake Filter influent mouth；42, the sewage draining exit of belt switch；421, electric switch；43, water purification storage tank；44, universal valve is backwashed；441, pedestal； 442, steering wheel；443, water inlet pipe；444, outlet pipe；445, water pipe is backwashed；4451, water pump；446, operating mode device； 4461, electromagnetic switch；4462, electronic switch；447, steering shaft.

Specific embodiment

With reference to the accompanying drawings of the specification with the content of Detailed description of the invention, to the specific reality of technical solution involved by the utility model The mode of applying is absolutely proved.

Fig. 1 is the circuit diagram of this backwash universal valve component operating mode device therein.

Operating mode device circuit diagram as shown in Figure 1, including microprocessor/chip 11, power supply 12, key circuit 13, state lamp group 14, display screen 15, stepper motor 16, machinery valve 17 and electromagnetic valve 18；Microprocessor/chip 11 is preparatory Burning operation control routine, and be respectively electrically connected with peripheral circuit above-mentioned；Machinery valve 17 is mounted on stepper motor 16 Motor shaft on, by stepper motor 16 control its folding condition.

When the work of operating mode device, power supply 12 is powered to entire circuit.Microprocessor/chip 11 is according to preparatory burning Operation control routine constantly scans key circuit 13, judges the level height of each pin.When the pin electricity of key circuit 13 When flat height combines and some operating mode of setting meets, microprocessor/chip 11 then lights corresponding state lamp group 14, drives Dynamic display screen 15 shows corresponding operating mode information, and stepper motor 16 or electromagnetic valve 18 is driven to make movement, so that The open/close status of each valve meets corresponding operating mode.Correspondingly, microprocessor/chip 11 can also identify peripheral electricity Whether the state on road is normal, when occurring abnormal to 15 outputting alarm signal of state lamp group 14 or display screen.

Fig. 2 is a kind of structure sectional view of preferred embodiment of this backwash universal valve.

According to the circuit original road figure of Fig. 1, structure as shown in connection with fig. 2, this backwash universal valve include steering mechanism 21, into Water pipe 22, outlet pipe 23, backwash water pipe 24 and operating mode device 25.Water inlet pipe 22, outlet pipe 23 and backwash water pipe 24 are equal It is connected to steering mechanism 21.Operating mode device 25 is mounted on the outside of steering mechanism, passes through control cable 254 and water pump 241, step It is electrically connected into motor 251, stepper motor 252 and electromagnetic valve 253；Stepper motor 251 is connected to machinery valve 2511, is located at At water inlet pipe 22；Stepper motor 252 is connected to machinery valve 2521, is located at outlet pipe 23；Electromagnetic valve 253 is located at backwash At water pipe 24, it is made of iron block 2531 and electromagnet 2532.Steering mechanism 21 is by pedestal 211, steering wheel 212, sealing rubber ring 213 It is formed with steering shaft 214.Pedestal 211 connects water inlet pipe 22, also has the first opening 2111 and the second opening 2112, the second opening 2112 are also connected to steering shaft 214, and the first opening 2111 is located at the outside of the second opening 2112.Steering wheel 212 is connected to be discharged Pipe 23, backwash water pipe 24, one end of outlet pipe 23 link and rotate around steering shaft 214；Outlet pipe 23 also has third Opening 231, backwash water pipe 24 are connected to by third opening 231 with outlet pipe 23.Steering shaft 214 is located at the normal position of pedestal It sets, is the hollow structure of both ends open.Sealing rubber ring 213 is located at the connection of steering wheel 212 and pedestal 211 and steering shaft 214 Place, plays closed effect.Also there is water pump 241 at backwash water pipe.

It, can be first by water inlet when the backwash universal valve of installation diagram 2 in conjunction with the operating mode device schematic diagram that Fig. 1 is illustrated Pipe 22 fixes, and needs to rotate steering wheel 212 further according to actual, outlet pipe 23 is directed to the water inlet line in the external network of rivers, most Adjust the relative position of backwash water pipe again afterwards.When the universal valve function of the backwash of Fig. 2, operating mode device controls stepper motor 251, the opened/closed state of stepper motor 252, water pump 241 and electromagnetic valve 253, to control the different flow directions of water flow.

Fig. 3 is the structure sectional view of another preferred embodiment of this backwash universal valve.

According to the circuit diagram of Fig. 1, gather structure shown in Fig. 3, this backwash universal valve include steering mechanism 31, into Water pipe 32, outlet pipe 33, backwash water pipe 34 and operating mode device 35.Water inlet pipe 32, outlet pipe 33 and backwash water pipe 34 are equal It is connected to steering mechanism 31.Operating mode device 35 is mounted on the outside of steering mechanism, passes through control cable 354 and water pump 341, step It is electrically connected into motor 351, stepper motor 352 and electromagnetic valve 353；Stepper motor 351 is connected to machinery valve 3511, is located at At water inlet pipe 32；Stepper motor 352 is connected to machinery valve 3521, is located at outlet pipe 33；Electromagnetic valve 353 is located at backwash At water 34, it is made of iron block 3531 and electromagnet 3532.Steering mechanism 31 is by pedestal 311, steering wheel 312,313 and of sealing rubber ring Steering shaft 314 forms.Pedestal 211 have first opening 3111 and second opening 3112, second opening 3112 also with steering shaft 314 Connection, the first opening 3111 are located at the outside of the second opening 3112.Steering wheel 312 is connected to water inlet pipe 32, outlet pipe 33, recoil One end of wash water pipe 34, outlet pipe 33 links and rotates around steering shaft 314；Outlet pipe 33 also has third opening 331, instead Wash tub pipe 34 is connected to by third opening 331 with outlet pipe 33.Steering shaft 314 is located at the normal position of pedestal, opens for both ends The hollow structure of mouth.Sealing rubber ring 313 is located at the junction of steering wheel 312 and pedestal 311 and steering shaft 314, plays closed Effect.Also there is water pump 341 at backwash water pipe.

It will can first be determined in conjunction with the operating mode device schematic diagram that Fig. 1 is illustrated when the backwash universal valve of installation diagram 3 The position for backwashing water pipe 34 well, is rotated further by steering wheel 312, water inlet pipe 32 and outlet pipe 33 is accessed to original network of rivers pipeline. When the universal valve function of the backwash of Fig. 3, operating mode device controls stepper motor 351, stepper motor 352, water pump 341 and electromagnetism The opened/closed state of valve 353, to control the different flow directions of water flow.

Fig. 4 is the structure sectional view of one of embodiment of this backwash fore filter.

Backwash universal valve according to Fig.2, structure as shown in connection with fig. 4, this back flushing type front filter device include Filter 41, filter 41 further include filter chamber 411, filtration members 412, pressure gauge 413, filtering water outlet 414 and filtered water inlet Mouth 415.Filter chamber 411 is in the periphery of filtration members 412, and filtration members 412 are filter core.Filtered water inlet mouth 415 is connected to filter chamber 411, filtering water outlet 414 is connected to filtration members 412.Pressure gauge 413 is located at the side wall of filter chamber 411.Back flushing type front filtering dress Set further include belt switch sewage draining exit 42,42 both ends of the sewage draining exit connection filter chamber 211 and entire back flushing type front mistake of belt switch Filter the exterior space of device；The sewage draining exit 42 of belt switch has electric switch 421.Back flushing type front filter device further includes water purification storage Tank 43 and backwash universal valve 44.Backwash universal valve 44 include pedestal 441, steering wheel 442, water inlet pipe 443, outlet pipe 444, Backwash water pipe 445, operating mode device 446 and steering shaft 447.Water inlet pipe 443 connects pedestal 441, pedestal 441 and filter 41 It is flexibly connected, and has corresponding opening connection filtered water inlet mouth 415 and filtering water outlet 414.441 activity of steering wheel 442 and pedestal Connection；Outlet pipe 444 and backwash water pipe 445 are located on steering wheel.There are three opening, an opening surrounds the tool of outlet pipe 444 The connection of 447 rotary moveable of steering shaft, an open communication exterior space, one end of open communication backwash water pipe 445. Steering shaft 447 is located on the normal of pedestal 441, is the hollow structure of both ends open, and one end connects outlet pipe 444, and the other end connects By filtering out the mouth of a river 424.The one end for backwashing water pipe 445 is connected to outlet pipe 444, and the other end is connected to water purification storage tank 43；Backwash Water pump 4451 is additionally provided on water pipe 445.Operating mode device 446 be located at backwash universal valve 44 outside, with electromagnetic switch 4461, Electronic switch 4462 and water pump 4451 are electrically connected.Electromagnetic switch 4461 is set in backwash water pipe 445, electronic switch 4462 It is set in water inlet pipe 443 and outlet pipe 444.

The structure sectional view of backwash universal valve and Fig. 4 as shown in connection with fig. 2, when the work of this back flushing type front filter device When operation mode is filtered model, operating mode device 446 opens water pump 4451, electronic switch 4462 and electromagnetic switch 4461, closure Electric switch 421.The path that water flow is passed through at this time are as follows: water inlet pipe 443-filtered water inlet mouth 415412-filter chamber, 411-filtration members 412-filtering 414-steering shaft of water outlet, 447-outlet pipes 444.Wherein there are also part water is entered by backwash water pipe 445 Water purification storage tank 43.When water purification storage tank 43 is filled with filtered water, electromagnetic switch 4461 and water pump 4451 are in operating mode device 446 Control under be closed, electronic switch 4462 continues starting.When the operating mode of this back flushing type front filter device is cleaning mode When, operating mode device 446 is closed electronic switch 4462, opens electromagnetism and opens the light 4461, water pump 4451 and electric switch 421, at this time water It flows through backwash water pipe and enters filtration members, filtration members are backwashed, by substances such as the dirts being originally attached in filtration members It washes out, finally via 421 discharge filter of electric switch.

The crown is according to content mentioned by this paper, although those skilled in the art will appreciate that there have been described this is practical Novel multiple examples still without departing from the spirit and scope of the present invention, still can be according to disclosed in the use of the new type Content directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, the utility model Range is understood that and regards as to cover all such other variations or modifications.

Claims (10)

1. a kind of backwash universal valve, including water inlet pipe, outlet pipe, backwash water pipe and steering mechanism；

The steering mechanism includes pedestal, the steering wheel linked with pedestal rotation, steering shaft；The steering shaft is located at the method for pedestal On line, the steering shaft is the hollow structure of both ends open and is connected with the pedestal；The pedestal includes the first opening, the Two openings, second opening connect the bottom of the steering shaft；

The water inlet pipe is located at the pedestal or the steering wheel, and described water inlet pipe one end is connected to outer water tube, and the other end connects Lead to first opening；

The outlet pipe is located at the steering wheel, and described outlet pipe one end is connected to outer water tube, and other end connection described second is opened Mouthful, and with steering shaft connection and around the steering shaft rotary moveable；The outlet pipe further includes third opening, described Third opening is connected to one end of the backwash water pipe；

Described outlet pipe one end is connected to external water storage apparatus, and the other end is connected to the third opening.

2. a kind of backwash universal valve according to claim 1, it is characterised in that: the backwash universal valve further includes Sealing rubber ring, the sealing rubber ring are located at the junction of the pedestal, the steering wheel and the steering shaft.

3. a kind of backwash universal valve according to claim 2, it is characterised in that: the backwash universal valve further includes Operating mode device, the operating mode device are located at outside the backwash universal valve, the operating mode device be electronic device or Person's calutron.

4. a kind of backwash universal valve according to claim 3, it is characterised in that: the operating mode device is electronics dress It sets；The electronic device includes power supply, control circuit, stepper motor and machinery valve；The control circuit includes microprocessor Either chip, key circuit, status lamp or display screen；The machinery valve is located at the water inlet pipe, the outlet pipe and institute It states at backwash water pipe.

5. a kind of backwash universal valve according to claim 3, it is characterised in that: the operating mode device is electromagnetic installing It sets；The calutron includes power supply, control circuit, electromagnetic valve；The control circuit include microprocessor or chip, by Key circuit, status lamp or display screen；The electromagnetic valve is located at the water inlet pipe, the outlet pipe and the backwash water pipe Place.

6. a kind of backwash universal valve according to claim 3, it is characterised in that: the backwash water pipe is also connected with Water pump.

7. backwashing a kind of back flushing type front filter device of universal valve described in application claim 1, including filter, band are opened Sewage draining exit, water purification storage tank and the backwash universal valve of pass；

The filter includes filtered water inlet mouth, filter chamber, filtration members and filtering water outlet；The filter chamber is located at the filtering Part periphery；The filtered water inlet mouth is connected to the filter chamber, and the filtering water outlet is connected to the filtration members；The filter with The backwash universal valve is to be detachably connected；

Sewage draining exit one end of the belt switch is connected to the filter chamber, and other end connection is external；

The filtered water inlet mouth of filter described in first open communication of the backwash universal valve, second opening It is connected to the filtering water outlet of the filter, one end of the backwash water pipe is connected to the water purification storage tank；

The filtration members are that perhaps the strainer filter core or the strainer are the netted stainless steel structure of multilayer to filter core, described more Mesh between each layer of stainless steel of the netted stainless steel structure of layer all mutually staggers.

8. a kind of back flushing type front filter device according to claim 7, it is characterised in that: the blowdown of the belt switch Mouthful, switch is electric switch, the control circuit of operating mode device described in the electric switch connection preceding claims 4.

9. a kind of back flushing type front filter device according to claim 8, it is characterised in that: the electric switch is by step Into motor control, pipeline or piston valve with spiral valve；The electric switch is electromagnetic valve.

10. a kind of back flushing type front filter device according to claim 9, it is characterised in that: the filter or Water pressure gauge or flowmeter are also equipped on the backwash universal valve.