CN219272411U

CN219272411U - Filter mechanism for sand filter convenient to change filter core direction

Info

Publication number: CN219272411U
Application number: CN202320842739.1U
Authority: CN
Inventors: 尹鑫华; 钱小卫
Original assignee: Nantong Baishile Technology Development Co ltd
Current assignee: Nantong Baishile Technology Development Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-06-30
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a filtering mechanism for a sand filter, which is convenient for replacing a filter element, wherein a top plate is arranged on the upper surface of a shell of a cylinder, a circular groove is arranged on the upper surface of the top plate, a semi-annular guide groove is arranged in the circular groove, a folded edge is arranged on the upper surface of the cylinder of the filter element, two positioning holes are formed in the folded edge, a guide rod is arranged on the lower surface of the folded edge, the guide rod is movably arranged in the semi-annular guide groove, an upper cover is supported on the upper surface of the folded edge, two positioning protrusions are arranged at two ends of the lower surface of the upper cover, the positioning protrusions are in one-to-one correspondence with the positioning holes formed in the folded edge and are mutually inserted, a compression ring is in threaded connection with the top plate, and the top of the compression ring is pressed on the upper surface of the upper cover.

Description

Filter mechanism for sand filter convenient to change filter core direction

Technical Field

The utility model relates to the technical field of filtering mechanisms, in particular to a filtering mechanism for a sand filter, which is convenient for replacing a filter element.

Background

In some swimming pools, it is desirable to pre-filter the water injected into the swimming pool through a sand trap to filter the particulate matter from the water source. The filtering mechanism and the sand ratio device are matched for use, so that the purpose of filtering is achieved. At present, a sand rate device with a back flushing function is generally provided with two filtering mechanisms, one filtering mechanism is used for filtering water sources, and the other filtering mechanism is used for filtering impurities in a swimming pool during back flushing, so that the cost is increased, the space occupation rate is increased by adopting the two filtering mechanisms, and therefore, an improved technology is needed to solve the problem in the prior art.

Disclosure of Invention

The utility model aims to provide a filtering mechanism for a sand filter, which is convenient for replacing a filter element direction, wherein an upper cover is limited by a compression ring, the upper cover is mutually matched with a positioning hole of a folded edge by a positioning protrusion, when the upper cover is rotated, a filter element cylinder body can be driven to rotate, and through the matching of a guide rod and a semi-annular guide groove, the upper cover is limited by 180 degrees to rotate, so that the water inlet of the filter element cylinder body is respectively matched with interfaces at two sides of a cylinder body shell correspondingly, the operation is simple, the filtering during filtering and back flushing can be realized, the flexibility is greatly improved, the filtering cost is saved, and the occupied space of the filtering mechanism is reduced, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a filtering mechanism for a sand filter, which is convenient for replacing a filter element, comprises a cylinder shell, a filter element cylinder, an upper cover and a compression ring;

the upper surface of the cylinder shell is provided with a top plate, the outer edge of the top plate is provided with external threads, the upper surface of the top plate is provided with a circular groove, a semi-annular guide groove is arranged in the circular groove, and two ends of the cylinder shell are symmetrically provided with connectors;

the filter element cylinder body is movably arranged in the cylinder body shell, the upper surface of the filter element cylinder body is provided with a folded edge, the folded edge is movably arranged in a circular groove of the top plate, two positioning holes are formed in the folded edge, a guide rod is arranged on the lower surface of the folded edge, the guide rod is movably arranged in the semi-annular guide groove, the side wall of one side of the filter element cylinder body is provided with a water inlet, and the water inlet corresponds to an interface of any side of the cylinder body shell;

the upper cover is supported on the upper surface of the folded edge, two ends of the lower surface of the upper cover are provided with two positioning protrusions, the positioning protrusions are in one-to-one correspondence with the positioning holes formed in the folded edge and are mutually inserted, and the upper surface of the upper cover is provided with a handle;

the inside wall of clamping ring is provided with the internal thread, clamping ring and roof threaded connection, the clamping ring top suppresses in the upper surface of upper cover.

Preferably, the utility model provides a filtering mechanism for a sand filter, which is convenient for replacing a filter element direction, wherein the outer diameter of a folded edge is consistent with the inner diameter of a circular groove.

Preferably, the utility model provides a filtering mechanism for a sand filter, which is convenient for replacing a filter element direction, wherein the outer diameter of a positioning protrusion is consistent with the inner diameter of a positioning hole.

Preferably, the utility model provides a filtering mechanism for a sand filter, which is convenient for replacing a filter element direction, wherein the outer diameter of an upper cover is not smaller than the outer diameter of a folded edge.

Preferably, the utility model provides a filtering mechanism for a sand filter, which is convenient for replacing a filter element direction, wherein the wall of a filter element cylinder is densely provided with sieve holes, and a filter screen is further arranged inside the filter element cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

the upper cover is spacing through the clamping ring, and the upper cover passes through the locating hole of location arch and hem mutually supporting, when rotating the upper cover, can drive the filter core barrel and rotate, and through the cooperation of guide arm and semi-annular guide way, spacing 180 rotations guarantee the water inlet of filter core barrel correspond the cooperation with the interface of barrel shell both sides respectively, easy operation, and can realize filtering when filtering and back flush, the flexibility improves greatly, and saves filtering cost, reduce filtering mechanism's occupation space.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a shell structure of the cylinder;

FIG. 3 is a schematic top view of the cartridge housing;

FIG. 4 is a schematic diagram of a cartridge body construction;

fig. 5 is a schematic view of the structure of the upper cover.

In the figure: the filter cartridge comprises a cartridge shell 1, a filter cartridge 2, an upper cover 3, a compression ring 4, a top plate 5, a circular groove 6, a semi-annular guide groove 7, an interface 8, a folded edge 9, a positioning hole 10, a guide rod 11, a water inlet 12, a positioning protrusion 13, a handle 14 and a filter screen 15.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;

it should be noted that, in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a filtering mechanism for a sand filter, which is convenient for replacing a filter element, comprises a cylinder shell 1, a filter element cylinder 2, an upper cover 3 and a compression ring 4;

the upper surface of the cylinder shell 1 is provided with a top plate 5, the outer edge of the top plate 5 is provided with external threads, the upper surface of the top plate 5 is provided with a circular groove 6, a semi-annular guide groove 7 is arranged in the circular groove 6, two ends of the cylinder shell 1 are symmetrically provided with interfaces 8 which are used for connecting water inlet and outlet pipes, one end of the interfaces is connected with a water source and a waste water return pipe through a tee joint, and the other end of the interfaces is connected with a swimming pool;

the filter element cylinder 2 is movably arranged in the cylinder shell 1, the cylinder wall of the filter element cylinder 2 is densely provided with sieve holes, a filter screen 15 is further arranged in the filter element cylinder 2 so as to realize the filtration of impurities, a folded edge 9 is arranged on the upper surface of the filter element cylinder 2, the folded edge 9 is movably arranged in a circular groove 6 of the top plate 5, the outer diameter of the folded edge 9 is consistent with the inner diameter of the circular groove 6 so as to ensure the stability of the filter element cylinder 2, two positioning holes 10 are formed in the folded edge 9, a guide rod 11 is arranged on the lower surface of the folded edge 9, the guide rod 11 is movably arranged in the semi-annular guide groove 7, a water inlet 12 is formed in the side wall of one side of the filter element cylinder 2, the water inlet 12 corresponds to an interface 8 on any side of the cylinder shell 1, and the semi-annular guide groove 7 is 180 degrees so as to limit the rotation angle of the filter element cylinder 2, and the water inlet 12 just corresponds to the interface 8 when the filter element cylinder 2 is ensured to rotate so as to realize water inflow;

the upper cover 3 is supported on the upper surface of the folded edge 9, the outer diameter of the upper cover 3 is not smaller than the outer diameter of the folded edge 9 so as to ensure that the upper cover 3 and the folded edge 9 can be completely matched, two positioning protrusions 13 are arranged at two ends of the lower surface of the upper cover 3, the positioning protrusions 13 are in one-to-one correspondence with the positioning holes 10 formed in the folded edge 9 and are mutually inserted, the outer diameter of the positioning protrusions 13 is consistent with the inner diameter of the positioning holes 10 so as to ensure the stability when the positioning protrusions 13 are matched with the positioning holes 10, and when the upper cover 3 is rotated, the filter element cylinder 2 is driven to rotate through the matching of the positioning protrusions 13 and the positioning holes 10, a handle 14 is arranged on the upper surface of the upper cover 3, and the handle 14 is used for rotating the upper cover 3;

the inside wall of clamping ring 4 is provided with the internal thread, clamping ring 4 and roof 5 threaded connection, clamping ring 4 top suppression in the upper surface of upper cover 3 to guarantee that upper cover 3 can not drop.

The application method and the principle are as follows: firstly, the filter element cylinder 2 is placed in the cylinder shell 1, a guide rod 11 on the lower surface of the folded edge 9 is inserted into a semi-annular guide groove 7 formed in the top plate 5, and when the guide rod 11 is positioned at the right end part of the semi-annular guide groove 7, a water inlet 12 formed in the filter element cylinder 2 corresponds to the position of an interface 8 on the corresponding side of the cylinder shell 1. And then placing the upper cover 3 on the upper surface of the folded edge 9, inserting the positioning protrusion 13 of the upper cover 3 into the positioning hole 10 of the folded edge 9, and finally connecting the compression ring 4 with the outer edge of the top plate 5 by threads until the upper part of the compression ring 4 is pressed on the upper surface of the periphery of the upper cover 3, thereby completing the assembly. Before use, the connectors 8 on two sides are respectively connected with water pipes, one end of the water pipe is connected with a tee joint through a water pump, the tee joint is also connected with a water source and a backwash discharge pipeline, and the other end of the water pipe is connected with a swimming pool through a sand rate device main body (an active carbon filter layer is also arranged in the sand rate device main body). When the water pump is used, the water pump is started, a water source enters the shell 1 of the cylinder body from the interface 8 at one end, simultaneously passes through the water inlet 12 of the filter element cylinder body 2 and enters the filter element cylinder body 2, and after impurities are filtered through the sieve holes, the impurities are discharged from the interface 8 at the other end and then enter the swimming pool through the sand ratio device body. When back flushing is carried out, the upper cover 3 is rotated, the upper cover 3 drives the folded edge 9 of the filter element cylinder 2 to rotate through the positioning protrusion 13, in the rotating process, the guide rod 11 moves along the semi-annular guide groove 7, when the filter element cylinder 2 rotates 180 degrees, the water inlet 12 of the filter element cylinder 2 rotates to the interface 8 at the other end, and in the back flushing process, impurities filtered in the sand ratio device main body are flushed into the filter element cylinder 2. And the backwashed water is discharged from the backwashed discharge pipeline. The utility model has reasonable structure, the upper cover 3 is limited by the compression ring 4, the upper cover 3 is matched with the positioning holes 10 of the folded edges 9 by the positioning protrusions 13, when the upper cover 3 is rotated, the filter element cylinder 2 can be driven to rotate, and the water inlet 12 of the filter element cylinder 2 is correspondingly matched with the interfaces 8 at the two sides of the cylinder shell 1 by the matching of the guide rod 11 and the semi-annular guide groove 7 to limit 180 DEG rotation, so that the operation is simple, the filtering and the filtering during the back flushing can be realized, the flexibility is greatly improved, and the filtering cost is saved.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Finally, what is to be described is: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. Filter mechanism for sand filter convenient to change filter core direction, its characterized in that: comprises a cylinder shell (1), a filter element cylinder (2), an upper cover (3) and a compression ring (4);

the novel cylindrical shell is characterized in that a top plate (5) is arranged on the upper surface of the cylindrical shell (1), external threads are arranged on the outer edge of the top plate (5), a circular groove (6) is formed in the upper surface of the top plate (5), a semi-annular guide groove (7) is formed in the circular groove (6), and connectors (8) are symmetrically arranged at two ends of the cylindrical shell (1);

the filter element cylinder body (2) is movably arranged in the cylinder body shell (1), the upper surface of the filter element cylinder body (2) is provided with a folded edge (9), the folded edge (9) is movably arranged in a circular groove (6) of the top plate (5), two positioning holes (10) are formed in the folded edge (9), a guide rod (11) is arranged on the lower surface of the folded edge (9), the guide rod (11) is movably arranged in the semi-annular guide groove (7), the side wall of one side of the filter element cylinder body (2) is provided with a water inlet (12), and the water inlet (12) corresponds to an interface (8) on any side of the cylinder body shell (1);

the upper cover (3) is supported on the upper surface of the folded edge (9), two positioning protrusions (13) are arranged at two ends of the lower surface of the upper cover (3), the positioning protrusions (13) are in one-to-one correspondence with positioning holes (10) formed in the folded edge (9) and are mutually inserted, and a handle (14) is arranged on the upper surface of the upper cover (3);

the inner side wall of the pressing ring (4) is provided with an inner thread, the pressing ring (4) is in threaded connection with the top plate (5), and the top of the pressing ring (4) is pressed on the upper surface of the upper cover (3).

2. The filtering mechanism for a sand filter, which facilitates the replacement of the filter element direction, according to claim 1, wherein: the outer diameter of the folded edge (9) is consistent with the inner diameter of the circular groove (6).

3. The filtering mechanism for a sand filter, which facilitates the replacement of the filter element direction, according to claim 1, wherein: the outer diameter of the positioning bulge (13) is consistent with the inner diameter of the positioning hole (10).

4. The filtering mechanism for a sand filter, which facilitates the replacement of the filter element direction, according to claim 1, wherein: the outer diameter of the upper cover (3) is not smaller than the outer diameter of the folded edge (9).

5. The filtering mechanism for a sand filter, which facilitates the replacement of the filter element direction, according to claim 1, wherein: the wall of the filter element cylinder body (2) is densely provided with sieve holes, and a filter screen (15) is further arranged inside the filter element cylinder body (2).