CN210934011U - Safety filter with replaceable double-layer inner cylinder - Google Patents

Abstract

The utility model belongs to the technical field of filters, in particular to a security filter with a replaceable double-layer inner barrel, which comprises an outer barrel and a barrel cover which can be disassembled and sealed at the top end of the outer barrel, wherein a filtering mechanism and a water supply mechanism are arranged inside the outer barrel, the water supply mechanism is arranged above the filtering mechanism, the filtering mechanism comprises an upper lining plate and a lower lining plate which are symmetrically distributed up and down, the upper lining plate and the lower lining plate slide on the inner wall of the outer barrel, and a first inner barrel and a second inner barrel are hermetically inserted between the upper lining plate and the lower lining plate; through the filter core that sets up different grades and use first interior bucket and the interior bucket of second to separate a plurality of filtration appearance chambeies, the filter core of different grades is installed and is held the intracavity at the filtration of difference to use the tube coupling, when needs switch filter grade, need not demolish the filter core and change again, can realize quick filter grade and switch, very big shortening switching time, improve the filterable operating efficiency of water.

Description

Safety filter with replaceable double-layer inner cylinder

Technical Field

The utility model belongs to the technical field of the filter, concretely relates to removable cartridge filter that trades of double-deck inner tube.

Background

The safety filter is a commonly used filtering device, is also called as a precision filter and is generally arranged in front of a pressure container to remove fine particles with turbidity of more than 1 ℃ so as to meet the requirement of the subsequent process on water inlet; and sometimes at the end of the overall water treatment system, to prevent fine particles (e.g., broken resin) from entering the product water.

The Chinese patent discloses a security filter with a detachable and replaceable double-layer inner cylinder (No. CN206934855U), which has simple structure, small volume and convenient movement and transportation; the used materials are few, the auxiliary materials are reduced, and the cost is low; dismantle the convenience, the maintenance is simple, but, its filterable rank is single, only has one to filter and holds the chamber, when switching over the filtration rank, need change the filter core, prepare comparatively taking time before the use.

Accordingly, those skilled in the art have provided a replaceable cartridge filter with a double-layered inner cartridge to solve the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a removable cartridge filter that trades of double-deck inner tube has fast switch over's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a removable security filter with double-layer inner barrel comprises an outer barrel and a barrel cover which is detachably sealed at the top end of the outer barrel, wherein a filtering mechanism and a water supply mechanism are arranged in the outer barrel, the water supply mechanism is arranged above the filtering mechanism, the filtering mechanism comprises an upper lining plate and a lower lining plate which are symmetrically distributed up and down, the upper lining plate and the lower lining plate slide on the inner wall of the outer barrel, a first inner barrel and a second inner barrel are hermetically inserted between the upper lining plate and the lower lining plate, the second inner barrel is positioned at the outer side of the first inner barrel, a plurality of filter elements are also arranged between the upper lining plate and the lower lining plate, the plurality of filter elements are respectively positioned at the inner side of the first inner barrel, between the second inner barrel and the first inner barrel, and between the second inner barrel and the outer barrel, and are hermetically connected with the water supply mechanism, the bottom surface of the inner wall of the outer barrel is fixedly connected with a first flange and a second flange, the second flange is positioned on the outer side of the first flange, the first flange and the second flange are respectively corresponding to the first inner barrel and the second inner barrel, the lower lining plate is inserted on the top surfaces of the first flange and the second flange, the bottom surface of the outer barrel is hermetically connected with three drain pipes, the three drain pipes are respectively positioned on the inner side of the first flange, between the first flange and the second flange and between the second flange and the outer barrel, the lower lining plate is provided with a plurality of drain holes, and the plurality of drain holes are respectively positioned on the inner side of the first inner barrel, between the second inner barrel and the first inner barrel and between the second inner barrel and the outer barrel.

Preferably, the water supply mechanism comprises a first water pipe, a second water pipe and a third water pipe, the second water pipe is located on the outer side of the first water pipe, the third water pipe is located on the outer side of the second water pipe, the water supply mechanism further comprises a water conveying pipe, the first water pipe is in sealing connection with the water conveying pipe through a first branch pipe, the second water pipe is in sealing connection with the water conveying pipe through a second branch pipe, the third water pipe is in sealing connection with the water conveying pipe through a third branch pipe, and the first water pipe, the second water pipe and the third water pipe are fixedly connected to the top surface of the upper lining plate.

Preferably, the first branch pipe, the second branch pipe and the third branch pipe are all sealed with electromagnetic valves in series.

Preferably, the filter elements on the inner side of the first inner barrel are hermetically connected with the first water pipe, the filter elements between the first inner barrel and the second inner barrel are hermetically connected with the second water pipe, and the filter elements between the second inner barrel and the outer barrel are hermetically connected with the third water pipe.

Preferably, the top end of the water delivery pipe penetrates through the barrel cover and is positioned on the top surface of the outer side of the barrel cover.

Preferably, the water pipe is inserted into the barrel cover.

Compared with the prior art, the beneficial effects of the utility model are that: through the filter core that sets up different grades and use first interior bucket and the interior bucket of second to separate a plurality of filtration appearance chambeies, the filter core of different grades is installed and is held the intracavity at the filtration of difference to use the tube coupling, when needs switch filter grade, need not demolish the filter core and change again, can realize quick filter grade and switch, very big shortening switching time, improve the filterable operating efficiency of water.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic structural view of the first inner barrel and the second inner barrel in the present invention;

FIG. 5 is an enlarged schematic view at B of FIG. 2;

fig. 6 is a top view of the water supply mechanism of the present invention;

fig. 7 is a schematic view of the installation position of the drain pipe in the present invention.

In the figure: 1. an outer tub; 11. a barrel cover; 12. a first flange; 13. a second flange; 14. a drain pipe; 2. a filtering mechanism; 21. an upper lining plate; 22. a lower liner plate; 221. a drain hole; 23. a first inner tub; 24. a second inner barrel; 25. a filter element; 3. a water supply mechanism; 31. a first water pipe; 311. a first branch pipe; 32. a second water pipe; 321. a second branch pipe; 33. a third water pipe; 331. a third branch pipe; 34. a water delivery pipe; 35. an electromagnetic valve.

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. 1-7, the present invention provides the following technical solutions: a kind of removable security filter of the double-deck inner cylinder, including outer barrel 1 and can dismantle the bung 11 sealed on its top, the inside of the outer barrel 1 installs the filtering mechanism 2 and water supply mechanism 3, the water supply mechanism 3 is installed above the filtering mechanism 2, the filtering mechanism 2 includes upper liner 21 and lower liner 22 that the upper and lower symmetric distribution, upper liner 21 and lower liner 22 slide in the inboard wall of the outer barrel 1, the sealed insertion between lower liner 22 and the upper liner 21 has first inner tub 23, second inner tub 24, the second inner tub 24 locates at the outside of the first inner tub 23, also install several filter elements 25 between lower liner 21 and the upper liner 22, several filter elements 25 locate at the first inner tub 23 inboard separately, between second inner tub 24 and the first inner tub 23, between second inner tub 24 and outer barrel 1, several filter elements 25 are all connected with the water supply mechanism 3 hermetically, the inboard bottom surface of the outer barrel 1 connects with the first flange 12 and the second flange 13 fixedly, the second flange 13 is located outside the first flange 12, the first flange 12 and the second flange 13 correspond to the first inner barrel 23 and the second inner barrel 24 respectively, the lower liner 22 is inserted on the top surfaces of the first flange 12 and the second flange 13, the bottom surface of the outer barrel 1 is hermetically connected with three drain pipes 14, the three drain pipes 14 are located inside the first flange 12, between the first flange 12 and the second flange 13, and between the second flange 13 and the outer barrel 1 respectively, the lower liner 22 is provided with a plurality of drain holes 221, and the plurality of drain holes 221 are located inside the first inner barrel 23, between the second inner barrel 24 and the first inner barrel 23, and between the second inner barrel 24 and the outer barrel 1 respectively.

In this embodiment: the filter element 25 at the inner side of the first inner barrel 23, the filter element 25 between the second inner barrel 24 and the first inner barrel 23, and the filter element 25 between the second inner barrel 24 and the outer barrel 1 are filter elements with different grades, the filtration grades are sequentially increased, when in use, raw water required to be filtered at the outside is hermetically connected with the water conveying pipe 34, if general-grade filtration is required, the electromagnetic valve 35 on the first branch pipe 311 is opened, the raw water is conveyed into the filter element 25 at the inner side of the first inner barrel 23 through the first branch pipe 311 and the first water pipe 31 for filtration, the filtered water is discharged into the inner side of the first flange 12 through the water discharge hole 221 at the inner side of the first inner barrel 23 and finally discharged through the water discharge pipe 14 at the position, if higher-grade filtration is required, the electromagnetic valve 35 on the second raw water branch pipe 321 is opened, and the filtered water is conveyed into the filter element 25 between the second inner barrel 24 and the first inner barrel 23 through the second branch pipe, filtered water is discharged to a position between the first flange 12 and the second flange 13 through the water discharge hole 221 between the second inner barrel 24 and the first inner barrel 23, and finally discharged through the water discharge pipe 14 at the position, if the highest-level filtering is needed, the electromagnetic valve 35 on the third branch pipe 331 is opened, raw water is conveyed to the filter element 25 between the second inner barrel 24 and the outer barrel 1 through the third branch pipe 331 and the third water pipe 33 for filtering, the filtered water is discharged to a position between the second flange 13 and the outer barrel 1 through the water discharge hole 221 between the second inner barrel 24 and the outer barrel 1, and finally discharged through the water discharge pipe 14 at the position, so that the rapid filtering level switching can be realized, when the filtering level needs to be switched, the filter element does not need to be detached for replacing again, the switching time is greatly shortened, and the water filtering operation efficiency is improved.

In fig. 1, 2, 3 and 4: the water supply device comprises an outer barrel 1 and a barrel cover 11 which is detachably sealed at the top end of the outer barrel 1, a filtering mechanism 2 and a water supply mechanism 3 are arranged inside the outer barrel 1, the filtering mechanism 2 comprises an upper lining plate 21 and a lower lining plate 22 which are symmetrically distributed up and down, the upper lining plate 21 and the lower lining plate 22 slide on the inner wall of the outer barrel 1, the water supply mechanism 3 is arranged above the filtering mechanism 2, the barrel cover 11 can be detached, the filtering mechanism 2 and the water supply mechanism 3 are detached, a first inner barrel 23 and a second inner barrel 24 are inserted between the upper lining plate 21 and the lower lining plate 22 in a sealing manner, the second inner barrel 24 is arranged outside the first inner barrel 23, a plurality of filter elements 25 are further arranged between the upper lining plate 21 and the lower lining plate 22, the plurality of filter elements 25 are respectively arranged inside the first inner barrel 23, between the second inner barrel 24 and the first inner barrel 23, and between the second inner barrel 24 and the outer barrel 1, the filter element 25 between the second inner barrel 24 and the first inner barrel 23, the filter element 25 between the second inner barrel 24 and the outer barrel 1 are filter elements with different grades, the filtration grade is increased in sequence, the bottom surface of the inner wall of the outer barrel 1 is fixedly connected with a first flange 12 and a second flange 13, the second flange 13 is positioned at the outer side of the first flange 12, the first flange 12 and the second flange 13 are respectively corresponding to the first inner barrel 23 and the second inner barrel 24, a lower lining plate 22 is inserted at the top surfaces of the first flange 12 and the second flange 13, the bottom surface of the outer barrel 1 is hermetically connected with three drain pipes 14, the three drain pipes 14 are respectively positioned at the inner side of the first flange 12, between the first flange 12 and the second flange 13, and between the second flange 13 and the outer barrel 1, a plurality of drain holes 221 are arranged on the lower lining plate 22, the plurality of drain holes 221 are respectively positioned at the inner side of the first inner barrel 23, between the second inner barrel 24 and the first barrel, when in use, raw water which needs to be filtered outside is hermetically connected with the water conveying pipe 34, if general-level filtering is needed, the electromagnetic valve 35 on the first branch pipe 311 is opened, the raw water is conveyed to the filter element 25 inside the first inner barrel 23 through the first branch pipe 311 and the first water pipe 31 to be filtered, the filtered water is discharged to the inner side of the first flange 12 through the water discharge hole 221 on the inner side of the first inner barrel 23 and finally discharged through the water discharge pipe 14 on the position, if higher-level filtering is needed, the electromagnetic valve 35 on the second branch pipe 321 is opened, the raw water is conveyed to the filter element 25 between the second inner barrel 24 and the first inner barrel 23 through the second branch pipe 321 and the second water pipe 32 to be filtered, the filtered water is discharged to the position between the first flange 12 and the second flange 13 through the water discharge hole 221 between the second inner barrel 24 and the first inner barrel 23 and finally discharged through the water discharge pipe 14 on the position, if highest-level filtering is needed, the electromagnetic valve 35 on the third branch pipe 331 is opened, the raw water is conveyed to the filter element 25 between the second inner barrel 24 and the outer barrel 1 through the third branch pipe 331 and the third water pipe 33 for filtration, the filtered water is discharged to the space between the second flange 13 and the outer barrel 1 through the water discharge hole 221 between the second inner barrel 24 and the outer barrel 1, and finally discharged through the water discharge pipe 14 at the place, and the first inner barrel 23 and the second inner barrel 24 can be detached as the first inner barrel 23 and the second inner barrel 24 are inserted between the upper lining plate 21 and the lower lining plate 22.

In fig. 5 and 6: the water supply mechanism 3 comprises a first water pipe 31, a second water pipe 32 and a third water pipe 33, the second water pipe 32 is positioned outside the first water pipe 31, the third water pipe 33 is positioned outside the second water pipe 32, the water supply mechanism 3 further comprises a water conveying pipe 34, the first water pipe 31 is hermetically connected with the water conveying pipe 34 through a first branch pipe 311, the second water pipe 32 is hermetically connected with the water conveying pipe 34 through a second branch pipe 321, the third water pipe 33 is hermetically connected with the water conveying pipe 34 through a third branch pipe 331, the first water pipe 31, the second water pipe 32 and the third water pipe 33 are fixedly connected with the top surface of the upper liner plate 21, electromagnetic valves 35 are sealed in series on the first branch pipe 311, the second branch pipe 321 and the third branch pipe 331, the filter element 25 inside the first inner barrel 23 is hermetically connected with the first water pipe 31, the filter element 25 between the first inner barrel 23 and the second inner barrel 24 is hermetically connected with the second water pipe 32, and the filter element 25 between the second inner barrel 24 and the outer barrel 1 is hermetically connected with the third water pipe 33, if general-grade filtration is needed, the electromagnetic valve 35 on the first branch pipe 311 is opened, raw water is conveyed into the filter element 25 at the inner side of the first inner barrel 23 through the first branch pipe 311 and the first water pipe 31 for filtration, if higher-grade filtration is needed, the electromagnetic valve 35 on the second branch pipe 321 is opened, raw water is conveyed into the filter element 25 between the second inner barrel 24 and the first inner barrel 23 through the second branch pipe 321 and the second water pipe 32 for filtration, if highest-grade filtration is needed, the electromagnetic valve 35 on the third branch pipe 331 is opened, raw water is conveyed into the filter element 25 between the second inner barrel 24 and the outer barrel 1 through the third branch pipe 331 and the third water pipe 33 for filtration, the top end of the water conveying pipe 34 penetrates through the barrel cover 11 and is positioned on the top surface at the outer side of the barrel cover 11, the water conveying pipe 34 is inserted into the barrel cover 11, and when the barrel cover 11 is disassembled, the water conveying pipe 34 does not interfere with.

In fig. 7: the inner wall bottom surface of the outer barrel 1 is fixedly connected with a first flange 12 and a second flange 13, the second flange 13 is positioned at the outer side of the first flange 12, the first flange 12 and the second flange 13 respectively correspond to a first inner barrel 23 and a second inner barrel 24, the bottom surface of the outer barrel 1 is hermetically connected with three drain pipes 14, the three drain pipes 14 are respectively positioned at the inner side of the first flange 12, between the first flange 12 and the second flange 13 and between the second flange 13 and the outer barrel 1, water at the inner side of the first flange 12 can be discharged through the drain pipes 14 at the position, water between the first flange 12 and the second flange 13 can be discharged through the drain pipes 14 at the position, and water between the second flange 13 and the outer barrel 1 can be discharged through the drain pipes 14 at the position.

The utility model discloses a theory of operation and use flow: the filter element 25 at the inner side of the first inner barrel 23, the filter element 25 between the second inner barrel 24 and the first inner barrel 23, and the filter element 25 between the second inner barrel 24 and the outer barrel 1 are filter elements with different grades, the filtration grades are sequentially increased, when in use, raw water required to be filtered at the outside is hermetically connected with the water conveying pipe 34, if general-grade filtration is required, the electromagnetic valve 35 on the first branch pipe 311 is opened, the raw water is conveyed into the filter element 25 at the inner side of the first inner barrel 23 through the first branch pipe 311 and the first water pipe 31 for filtration, the filtered water is discharged into the inner side of the first flange 12 through the water discharge hole 221 at the inner side of the first inner barrel 23 and finally discharged through the water discharge pipe 14 at the position, if higher-grade filtration is required, the electromagnetic valve 35 on the second raw water branch pipe 321 is opened, and the filtered water is conveyed into the filter element 25 between the second inner barrel 24 and the first inner barrel 23 through the second branch pipe, filtered water is discharged to a position between the first flange 12 and the second flange 13 through the water discharge hole 221 between the second inner barrel 24 and the first inner barrel 23, and finally discharged through the water discharge pipe 14 at the position, if the highest-level filtering is needed, the electromagnetic valve 35 on the third branch pipe 331 is opened, raw water is conveyed to the filter element 25 between the second inner barrel 24 and the outer barrel 1 through the third branch pipe 331 and the third water pipe 33 for filtering, the filtered water is discharged to a position between the second flange 13 and the outer barrel 1 through the water discharge hole 221 between the second inner barrel 24 and the outer barrel 1, and finally discharged through the water discharge pipe 14 at the position, so that the rapid filtering level switching can be realized, when the filtering level needs to be switched, the filter element does not need to be detached for replacing again, the switching time is greatly shortened, and the water filtering operation efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a removable cartridge filter that trades of double-deck inner tube, includes outer bucket (1) and can dismantle bung (11) sealed on its top, its characterized in that: the inner part of the outer barrel (1) is provided with a filtering mechanism (2) and a water supply mechanism (3), the water supply mechanism (3) is arranged above the filtering mechanism (2), the filtering mechanism (2) comprises an upper lining plate (21) and a lower lining plate (22) which are symmetrically distributed up and down, the upper lining plate (21) and the lower lining plate (22) slide on the inner wall of the outer barrel (1), a first inner barrel (23) and a second inner barrel (24) are hermetically inserted between the upper lining plate (21) and the lower lining plate (22), the second inner barrel (24) is positioned at the outer side of the first inner barrel (23), a plurality of filter elements (25) are further arranged between the upper lining plate (21) and the lower lining plate (22), and the plurality of filter elements (25) are respectively positioned at the inner side of the first inner barrel (23), between the second inner barrel (24) and the first inner barrel (23), A plurality of filter elements (25) are hermetically connected with the water supply mechanism (3) between the second inner barrel (24) and the outer barrel (1);

a first flange (12) and a second flange (13) are fixedly connected to the bottom surface of the inner wall of the outer barrel (1), the second flange (13) is positioned at the outer side of the first flange (12), the first flange (12) and the second flange (13) correspond to the first inner barrel (23) and the second inner barrel (24) respectively, the lower lining plate (22) is inserted into the top surfaces of the first flange (12) and the second flange (13), the bottom surface of the outer barrel (1) is hermetically connected with three drain pipes (14), the three drain pipes (14) are positioned at the inner side of the first flange (12), between the first flange (12) and the second flange (13), and between the second flange (13) and the outer barrel (1), a plurality of drain holes (221) are formed in the lower lining plate (22), and a plurality of drain holes (221) are positioned at the inner side of the first inner barrel (23) respectively, Between the second inner tub (24) and the first inner tub (23), between the second inner tub (24) and the outer tub (1).

2. The removable cartridge filter of claim 1, wherein: the water supply mechanism (3) comprises a first water pipe (31), a second water pipe (32) and a third water pipe (33), the second water pipe (32) is located on the outer side of the first water pipe (31), the third water pipe (33) is located on the outer side of the second water pipe (32), the water supply mechanism (3) further comprises a water conveying pipe (34), the first water pipe (31) is in sealing connection with the water conveying pipe (34) through a first branch pipe (311), the second water pipe (32) is in sealing connection with the water conveying pipe (34) through a second branch pipe (321), the third water pipe (33) is in sealing connection with the water conveying pipe (34) through a third branch pipe (331), and the first water pipe (31), the second water pipe (32) and the third water pipe (33) are all fixedly connected to the top surface of the upper lining plate (21).

3. The removable cartridge filter of claim 2, wherein: electromagnetic valves (35) are sealed in series on the first branch pipe (311), the second branch pipe (321) and the third branch pipe (331).

4. The removable cartridge filter of claim 2, wherein: the filter elements (25) on the inner side of the first inner barrel (23) are hermetically connected with the first water pipe (31), the filter elements (25) between the first inner barrel (23) and the second inner barrel (24) are hermetically connected with the second water pipe (32), and the filter elements (25) between the second inner barrel (24) and the outer barrel (1) are hermetically connected with the third water pipe (33).

5. The removable cartridge filter of claim 2, wherein: the top end of the water delivery pipe (34) penetrates through the barrel cover (11) and is positioned on the top surface of the outer side of the barrel cover (11).

6. The removable cartridge filter of claim 5, wherein: the water delivery pipe (34) is inserted into the barrel cover (11).

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