CN214260886U - Zero-leakage duplex filter - Google Patents

Abstract

The utility model discloses a zero leakage duplex filter, including first filter, second filter, filter core, transparent U type pipe and smart cartridge filter, one side of first filter is provided with the second filter, and is connected with down conveyer pipe and last conveyer pipe between adjacent first filter and the second filter respectively to outlet pipe and inlet tube are installed respectively to one side of conveyer pipe and last conveyer pipe down, the lower conveyer pipe of outlet pipe and inlet tube both sides and the inside control valve that all installs of last conveyer pipe, the top of first filter and second filter demountable installation respectively has first sealed lid and the sealed lid of second, first filter and the inside filter core that all is provided with of second filter. The utility model discloses not only having avoided the leakage of liquid, having made things convenient for the dismantlement work of filter core, being convenient for simultaneously adjust the density of filter core, be convenient for moreover judge the circulation state of filter core.

Description

Zero-leakage duplex filter

Technical Field

The utility model relates to a filter technical field specifically is a zero leaks pair filter.

Background

The duplex filter is also called a duplex switching filter, is formed by connecting two stainless steel filters in parallel, has the advantages of novel and reasonable structure, good sealing property, strong circulation capability, simple and convenient operation and the like, is a multipurpose filtering device with wide application range and strong adaptability, and is widely applied to filtering solid or colloid impurities in the preparation process of drinks such as traditional Chinese medicines, western medicines, fruit juice, sugar juice, milk and the like.

The duplex filters on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) When the existing duplex filter is used, liquid leakage is easily caused due to the fact that the pipeline is not tightly jointed, and therefore certain defects exist;

(2) the existing duplex filter is inconvenient to adjust the density of the filter element according to requirements when in use, and meanwhile, the filter element is inconvenient to disassemble when in cleaning or replacement, so the improvement is needed;

(3) the flow state of the filter element is difficult to know when the existing duplex filter is used, so that the filter element is difficult to replace in time when being blocked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zero leaks pair filter to propose among the above-mentioned background art that pair filter causes the leakage of liquid inadequately tightly because of the pipeline links up easily when using, the inconvenient regulation of density of filter core, the inconvenient dismantlement of filter core and the problem that is difficult to know the circulation state of filter core.

In order to achieve the above object, the utility model provides a following technical scheme: a zero-leakage duplex filter comprises a first filter, a second filter, filter elements, a transparent U-shaped pipe and a fine filter cartridge, wherein the second filter is arranged on one side of the first filter, a lower conveying pipe and an upper conveying pipe are respectively connected between the adjacent first filter and the second filter, two ends of the lower conveying pipe and two ends of the upper conveying pipe are respectively communicated with the first filter and the second filter, a water outlet pipe and a water inlet pipe are respectively arranged on one side of the lower conveying pipe and one side of the upper conveying pipe, control valves are respectively arranged inside the lower conveying pipe and the upper conveying pipe on two sides of the water outlet pipe and the water inlet pipe, a first sealing cover and a second sealing cover are respectively detachably arranged at the top ends of the first filter and the second filter, the filter elements are respectively arranged inside the first filter and the second filter, and pressure relief pipes are respectively arranged on one side of the top ends of the first sealing cover and the second sealing cover, and a pressure relief valve is arranged in the pressure relief pipe.

Preferably, the top of first filter and second filter is provided with the honeycomb duct, and the top of honeycomb duct all is fixed with the connecting rod, the top of connecting rod respectively with the inner wall fixed connection of first sealed lid and the sealed lid of second to the one end of honeycomb duct is linked together through sealing washer and last conveyer pipe, and the bottom of honeycomb duct extends to the inside of filter core, has avoided the leakage of liquid when filtering.

Preferably, all be provided with transparent U type pipe on the outer wall of first filter and second filter bottom, and the inside of transparent U type pipe is provided with the circulation passageway to the top of transparent U type pipe extends to the inside of first filter and second filter respectively and is provided with the water conservancy diversion mouth, is convenient for judge the circulation state of filter core, so that in time change the filter core when the jam appears in the filter core.

Preferably, the bottom of the first filter and the bottom of the second filter are both fixed with positioning seats, and the surfaces of the positioning seats are both provided with leakage holes at equal intervals, so that the filter element is convenient to position.

Preferably, the inner walls of the two sides of the positioning seat are fixedly provided with supporting blocks, and the top ends of the supporting blocks are tightly attached to the bottom ends of the filter elements, so that the filter elements are conveniently supported.

Preferably, the bottom of filter core is fixed with the cassette, and the inside of cassette is provided with the draw-in groove to the inside fine filtration section of thick bamboo that is provided with of filter core of cassette top, the bottom of fine filtration section of thick bamboo extend to the inside of draw-in groove, are convenient for adjust the density of filter core, with the filter demand that satisfies the minim density.

Compared with the prior art, the beneficial effects of the utility model are that: the zero-leakage duplex filter not only avoids liquid leakage, facilitates the disassembly work of the filter element, is convenient to adjust the density of the filter element, but also is convenient to judge the circulation state of the filter element so as to replace the filter element in time when the filter element is blocked;

(1) the top parts of the first filter and the second filter are fixed with the flow guide pipes through the connecting rods, and the flow guide pipes and the sealing rings are matched with each other to guide liquid in the upper conveying pipe into the filter element for filtering;

(2) the first sealing cover and the second sealing cover are detached through the positioning seat, the leak hole, the supporting block, the clamping seat, the clamping groove and the fine filter cartridge, the filter element is taken out from the inside of the positioning seat, the filter element can be replaced, meanwhile, the fine filter cartridge can be placed into the filter element, the bottom end of the fine filter cartridge is clamped into the clamping groove in the clamping seat, the fine filter cartridge is fixed, and the fine filter cartridge can meet the filtering requirement of small density, so that the detaching work of the filter element is facilitated, and meanwhile, the density of the filter element is convenient to adjust;

(3) through being provided with transparent U type pipe, circulation passageway and water conservancy diversion mouth, when the filter core was the mediation state, liquid can flow in the inside circulation passageway of transparent U type pipe through the water conservancy diversion mouth, when the filter core was the jam state, then the inside liquid of transparent U type pipe does not flow, and the staff accessible is observed transparent U type pipe and is judged the circulation state of filter core to timely when the jam appears the filter core and is changed the filter core.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of a cross-sectional enlarged structure of the positioning seat of the present invention;

FIG. 3 is a schematic view of a cross-sectional enlarged structure of the filter element of the present invention;

fig. 4 is a schematic view of the cross-sectional enlarged structure of the transparent U-shaped tube of the present invention.

In the figure: 1. a first filter; 2. a lower conveying pipe; 3. a water outlet pipe; 4. a second filter; 5. positioning seats; 6. a filter element; 7. a first sealing cover; 8. a pressure relief pipe; 9. a pressure relief valve; 10. a flow guide pipe; 11. a seal ring; 12. an upper conveying pipe; 13. a water inlet pipe; 14. a control valve; 15. a second sealing cover; 16. a connecting rod; 17. a transparent U-shaped tube; 18. a leak hole; 19. a support block; 20. a card holder; 21. a card slot; 22. a fine filter cartridge; 23. a flow-through channel; 24. and a flow guide opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a zero-leakage duplex filter comprises a first filter 1, a second filter 4, a filter element 6, a transparent U-shaped pipe 17 and a fine filter cylinder 22, wherein the second filter 4 is arranged on one side of the first filter 1, a lower conveying pipe 2 and an upper conveying pipe 12 are respectively connected between the adjacent first filter 1 and the adjacent second filter 4, two ends of the lower conveying pipe 2 and the upper conveying pipe 12 are respectively communicated with the first filter 1 and the second filter 4, and a water outlet pipe 3 and a water inlet pipe 13 are respectively arranged on one side of the lower conveying pipe 2 and one side of the upper conveying pipe 12;

the top parts of the first filter 1 and the second filter 4 are provided with a flow guide pipe 10, the top ends of the flow guide pipe 10 are both fixed with a connecting rod 16, the top ends of the connecting rods 16 are respectively fixedly connected with the inner walls of a first sealing cover 7 and a second sealing cover 15, one end of the flow guide pipe 10 is communicated with an upper conveying pipe 12 through a sealing ring 11, and the bottom end of the flow guide pipe 10 extends to the inside of the filter element 6, so that liquid leakage during filtering is avoided;

the outer walls of the bottoms of the first filter 1 and the second filter 4 are provided with transparent U-shaped pipes 17, the inside of each transparent U-shaped pipe 17 is provided with a circulation channel 23, the top ends of the transparent U-shaped pipes 17 extend into the first filter 1 and the second filter 4 respectively and are provided with flow guide openings 24, so that the circulation state of the filter element 6 can be judged conveniently, and the filter element 6 can be replaced in time when the filter element 6 is blocked;

the bottom parts of the first filter 1 and the second filter 4 are both fixed with positioning seats 5, and the surfaces of the positioning seats 5 are both provided with leakage holes 18 with equal intervals, so that the filter element 6 is conveniently positioned;

supporting blocks 19 are fixed on the inner walls of the two sides of the positioning seat 5, and the top ends of the supporting blocks 19 are tightly attached to the bottom end of the filter element 6, so that the filter element 6 is conveniently supported;

a clamping seat 20 is fixed at the bottom of the filter element 6, a clamping groove 21 is formed in the clamping seat 20, a fine filter cartridge 22 is arranged in the filter element 6 above the clamping seat 20, and the bottom end of the fine filter cartridge 22 extends into the clamping groove 21, so that the density of the filter element 6 can be adjusted conveniently to meet the filtering requirement of low density;

the inside control valve 14 that all installs of the lower conveyer pipe 2 and the last conveyer pipe 12 of outlet pipe 3 and inlet tube 13 both sides, the top of first filter 1 and second filter 4 is demountable installation respectively has the sealed lid 15 of first sealed lid 7 and second, first filter 1 and second filter 4 are inside all to be provided with filter core 6, the pressure release pipe 8 is all installed to one side on the sealed lid 15 top of first sealed lid 7 and second, and the internally mounted of pressure release pipe 8 has relief valve 9.

The working principle is as follows: when the filter is used, a worker firstly connects the water inlet pipe 13 and the water outlet pipe 3 with an external pipeline, secondly introduces liquid to be filtered into the upper conveying pipe 12, opens the control valve 14 to make the liquid respectively flow into the first filter 1 and the second filter 4, in the process, as the top parts of the first filter 1 and the second filter 4 are both fixed with the guide pipe 10 through the connecting rod 16, the guide pipe 10 and the sealing ring 11 are mutually matched to introduce the liquid in the upper conveying pipe 12 into the filter element 6 for filtering, the pipeline is tightly jointed in the process, thereby avoiding the leakage of the liquid, then, in the filtering process, the filtered liquid flows into the lower conveying pipe 2 from the inner parts of the first filter 1 and the second filter 4 and is led out through the water outlet pipe 3, at the moment, when the filter element 6 is in a dredging state, the liquid can flow in the flow channel 23 in the transparent U-shaped pipe 17 through the flow guide port 24, when the filter core 6 is the jam state, then the inside liquid of transparent U type pipe 17 does not flow, staff's accessible is observed transparent U type pipe 17 and is judged the circulation state of filter core 6, so that timely when the jam appears in filter core 6 and change filter core 6, finally, pull down first sealed lid 7 and the sealed lid 15 of second, take out filter core 6 from the inside of positioning seat 5, can change filter core 6, and simultaneously, can put into the inside of filter core 6 with smart cartridge filter 22, and go into the draw-in groove 21 of cassette 20 inside with its bottom card, fix smart cartridge filter 22, the filtering requirement of miniaturely density can be satisfied in the setting of smart cartridge filter 22, thereby the dismantlement work of filter core 6 has been made things convenient for, and simultaneously, be convenient for adjust the density of filter core 6, the work of zero leakage duplex filter is accomplished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A zero-leakage duplex filter, which comprises a first filter (1), a second filter (4), a filter element (6), a transparent U-shaped pipe (17) and a fine filter cylinder (22), and is characterized in that: a second filter (4) is arranged on one side of the first filter (1), a lower conveying pipe (2) and an upper conveying pipe (12) are connected between the adjacent first filter (1) and the second filter (4) respectively, two ends of the lower conveying pipe (2) and the upper conveying pipe (12) are communicated with the first filter (1) and the second filter (4) respectively, a water outlet pipe (3) and a water inlet pipe (13) are installed on one side of the lower conveying pipe (2) and one side of the upper conveying pipe (12) respectively, control valves (14) are installed inside the lower conveying pipe (2) and the upper conveying pipe (12) on two sides of the water outlet pipe (3) and the water inlet pipe (13), a first sealing cover (7) and a second sealing cover (15) are detachably installed on the top ends of the first filter (1) and the second filter (4) respectively, filter elements (6) are arranged inside the first filter (1) and the second filter (4), pressure release pipe (8) are all installed to one side on first sealed lid (7) and the sealed lid of second (15) top, and the internally mounted of pressure release pipe (8) has relief valve (9).

2. A zero-leak duplex filter according to claim 1, wherein: the top of first filter (1) and second filter (4) is provided with honeycomb duct (10), and the top of honeycomb duct (10) all is fixed with connecting rod (16), the top of connecting rod (16) respectively with the inner wall fixed connection of first sealed lid (7) and second sealed lid (15), and the one end of honeycomb duct (10) is linked together through sealing washer (11) and last conveyer pipe (12), the bottom of honeycomb duct (10) extends to the inside of filter core (6).

3. A zero-leak duplex filter according to claim 1, wherein: transparent U-shaped tubes (17) are arranged on the outer walls of the bottoms of the first filter (1) and the second filter (4), a circulation channel (23) is arranged inside each transparent U-shaped tube (17), and the top ends of the transparent U-shaped tubes (17) extend into the first filter (1) and the second filter (4) respectively and are provided with flow guide ports (24).

4. A zero-leak duplex filter according to claim 1, wherein: the bottom of the first filter (1) and the bottom of the second filter (4) are both fixed with positioning seats (5), and the surfaces of the positioning seats (5) are both provided with leakage holes (18) at equal intervals.

5. A zero-leak duplex filter according to claim 4 wherein: the inner walls of two sides of the positioning seat (5) are all fixed with supporting blocks (19), and the top ends of the supporting blocks (19) are tightly attached to the bottom end of the filter element (6).

6. A zero-leak duplex filter according to claim 1, wherein: the bottom of filter core (6) is fixed with cassette (20), and the inside of cassette (20) is provided with draw-in groove (21) to filter core (6) inside above cassette (20) is provided with smart cartridge filter (22), and the bottom of smart cartridge filter (22) extends to the inside of draw-in groove (21).

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