CN219023524U

CN219023524U - High-purity filter

Info

Publication number: CN219023524U
Application number: CN202222622202.2U
Authority: CN
Inventors: 沈一林; 张佳; 徐力; 张静
Original assignee: Shanghai Zhichun Precision Manufacturing Co ltd
Current assignee: Shanghai Zhichun Precision Manufacturing Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-16
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a high-purity filter, which comprises a shell and a filter element arranged in the shell, wherein a water inlet is formed in the top of the filter element to be installed, the shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are connected in a sealing way through a connecting piece; the utility model discloses a filter cartridge, including upper casing, lower casing, filter cartridge, inlet port, outlet port, inlet port with the water inlet is linked together, the inside one end of keeping away from of lower casing is provided with the bottom sprag position, the bottom sprag position can dismantle with lower casing and be connected, and the bottom sprag position is equipped with the draw-in groove with filter cartridge external diameter assorted, has the bottom sprag position of different size specification draw-in grooves through the dismantlement installation, can fix different diameter filter cartridges, realizes quick replacement, is favorable to improving change efficiency.

Description

High-purity filter

Technical Field

The utility model relates to the technical field of filters, in particular to a high-purity filter.

Background

The ultrapure pipeline is used for delivering high-purity chemicals or ultrapure water, and a high-purity filter is required to be used for filtering the delivered liquid in the pipeline. The high-purity filter generally comprises a shell, a filter element arranged in the shell, a liquid inlet port and a liquid outlet port, wherein liquid flows in through the liquid inlet port and then flows out through the liquid outlet port to finish filtration.

The existing filter element is generally of a fixed integrated structure, and the filter element of a specific model needs to be assembled by corresponding shells of corresponding models, so that the shells of the corresponding models need to be replaced when the filter elements of different models are installed and replaced, the filter element is not provided with a universal type, the filter element cannot be replaced rapidly and efficiently, and the replacement efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a high-purity filter which has shell universality, is suitable for replacing filter elements of different types and gauges and is beneficial to improving the replacement efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-purity filter comprises a shell and a filter element arranged in the shell, wherein a water inlet is formed in the top of the filter element to be installed, the shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are connected in a sealing manner through a connecting piece; the utility model discloses a filter cartridge, including upper casing, lower casing, filter cartridge external diameter, inlet, outlet, inlet, lower casing, inlet, outlet, inlet, outlet, the inlet is seted up to the upper casing, inlet with the inlet is linked together, the inside one end of keeping away from of lower casing is provided with the bottom sprag position, the bottom sprag position can dismantle with lower casing and be connected, the bottom sprag position is equipped with the draw-in groove with filter cartridge external diameter assorted.

Through above-mentioned technical scheme, through the bottom sprag position that dismantles the installation has different size specification draw-in grooves, can fix different diameter filter cores, realize quick replacement, be favorable to improving change efficiency.

Preferably, a fixing groove is formed in the upper shell in the vertical direction, the top end of the fixing groove is communicated with the water inlet, and a protruding portion matched with the fixing groove is formed in one end, close to the upper shell, of the filter element.

Through adopting above-mentioned technical scheme, the bellying inserts assorted fixed slot and realizes the fixed mounting of filter core and last casing.

Preferably, a plurality of clamping parts are arranged on one side of the filter element to be installed, which is close to the upper shell, and the clamping parts are arranged around the outer diameter of the filter element and extend in the direction away from the axis of the filter element; one end of the lower shell, which is close to the upper shell, is provided with grooves matched with the clamping parts, and the grooves are used for supporting the clamping parts.

Through adopting above-mentioned technical scheme, lower casing open-ended recess supports the block portion of filter core, realizes suspension type mounting means, adapts to the filter core of different length.

Preferably, the groove is L-shaped, and the groove comprises an extending groove formed in the radial direction of the inner wall of the lower shell, and the extending groove is used for clamping and fixing the clamping part.

Through adopting above-mentioned technical scheme, the block portion of filter core hangs in lower casing top recess, rotatory filter core, makes block portion and extension groove chucking fixed, and the installation is stable.

Preferably, the bottom support position comprises a plurality of fixing ribs, the fixing ribs are arranged around the inner wall of the lower shell, and the bottoms of the fixing ribs are of arc structures matched with the inner wall of the bottom of the lower shell.

Through adopting above-mentioned technical scheme, through the fixed muscle of replacement different specifications, can change draw-in groove size to match the filter core of different external diameters, have the commonality.

Preferably, the outside of last casing is provided with the external screw thread, and the outside that lower casing is close to last casing one end is provided with the fixture block, the connecting piece sets up to coupling nut, and coupling nut cover is established in the junction of last casing and lower casing, with last casing threaded connection is through the fixture block chucking is fixed.

Through adopting above-mentioned technical scheme, splice last casing and inferior valve, establish through the coupling nut cover and screw up in the handing-over department until coupling nut is clamped by the fixture block, realize sealed fixed.

Preferably, at least 2 layers of first sealing rings are arranged outside the protruding part.

By adopting the technical scheme, the installation tightness of the liquid inlet and the water inlet is improved, and liquid is prevented from overflowing at the joint.

Preferably, a second sealing ring is arranged inside the connecting nut.

By adopting the technical scheme, the sealing performance of the junction of the upper shell and the lower shell is improved, and liquid leakage is prevented.

The beneficial effects are that:

according to the utility model, the detachable fixing ribs are arranged, and the clamping grooves are matched with the outer diameters of the filter elements by replacing the fixing ribs with different sizes, so that the filter element fixing structure is suitable for mounting filter elements with different diameters.

According to the utility model, the grooves are formed, the extending grooves are formed in the grooves, the clamping parts of the filter element are hung in the grooves at the top of the lower shell, and the filter element is rotated, so that the clamping parts are clamped and fixed with the extending grooves, and the hanging type installation is realized.

Drawings

FIG. 1 is a schematic view of a high purity filter of the present utility model in a support type installation configuration;

FIG. 2 is an enlarged view of a portion of the high purity filter of the present utility model at A of FIG. 1;

FIG. 3 is a diagram showing the positional relationship among a high purity filter fixing rib, a ferrule and a lower housing according to the present utility model;

FIG. 4 is a schematic view of a high purity filter of the present utility model in a hanging configuration;

fig. 5 is a positional relationship diagram of a high purity filter engaging portion and a groove according to the present utility model.

In the figure: 1. an upper housing; 11. a liquid inlet port; 12. a liquid outlet interface; 13. a fixing groove; 2. a lower housing; 3. a coupling nut; 4. fixing ribs; 41. a clamping groove; 42. a ferrule; 5. a filter element; 51. a boss; 52. an engagement portion; 6. a groove; 61. an extension groove; 7. a clamping block; 8. a first seal ring; 9. and a second sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes embodiments of the present utility model in detail:

as shown in fig. 1, the high purity filter comprises a shell and a filter element 5 arranged in the shell, wherein a water inlet is formed in the top of the filter element 5 to be installed, the shell comprises an upper shell 1 and a lower shell 2, and the upper shell 1 and the lower shell 2 are connected in a sealing way through connecting pieces; the upper shell 1 is provided with a liquid inlet port 11 and a liquid outlet port 12, the liquid inlet port 11 is communicated with the water inlet, one end, far away from the upper shell 1, of the inner part of the lower shell 2 is provided with a bottom support position, the bottom support position is detachably connected with the lower shell 2, and the bottom support position is provided with a clamping groove 41 matched with the outer diameter of the filter element 5. The inside fixed slot 13 that is provided with of last casing 1 along vertical direction, and the top and the water inlet of fixed slot 13 are linked together, and the one end that filter core 5 is close to last casing 1 is provided with the bellying 51 with fixed slot 13 assorted.

Specifically, as shown in fig. 2, the outer part of the upper casing 1 is provided with external threads, the outer side of the lower casing 2, which is close to one end of the upper casing 1, is provided with a clamping block 7, the connecting piece is provided with a connecting nut 3, the connecting nut 3 is sleeved at the joint of the upper casing 1 and the lower casing 2, and is in threaded connection with the upper casing 1, and is clamped and fixed through the clamping block 7. During installation, the bulge 51 inserts assorted fixed slot 13 and realizes the fixed mounting of filter core 5 and last casing 1, with last casing 1 and lower casing 2 concatenation, establishes through coupling nut 3 cover and screws up in the handing-over department until coupling nut 3 is by fixture block 7 chucking, realizes supporting type installation, and bulge 51 outside is provided with not less than 2 layers of first sealing washer 8, improves the installation leakproofness of feed liquor interface 11 and water inlet, prevents that liquid from spilling over in the handing-over department. The second sealing ring 9 is arranged in the connecting nut 3, so that the tightness of the joint of the upper shell 1 and the lower shell 2 is improved, and the liquid is prevented from leaking. After liquid flows to the liquid inlet port 11 through the filter element 5 for filtration, the liquid flows out from the liquid outlet port 12 for filtration, and the filter element 5 with different diameters can be fixed through the disassembly and installation of the bottom support positions with the clamping grooves 41 with different sizes, so that quick replacement is realized, and the replacement efficiency is improved.

Specifically, the bottom support position includes a plurality of fixed muscle 4, and a plurality of fixed muscle 4 set up around lower casing 2 inner wall, through the fixed muscle 4 of replacement different specifications, can change draw-in groove 41 size to match the filter core 5 of different external diameters, have the commonality. As shown in fig. 3, a plurality of fixing ribs 4 are fixed on the ferrule 42, the inner diameters of the ferrule 42 and the lower shell 2 are matched, and the ferrule 42 is plugged into the bottom of the lower shell 2 to realize installation in installation, so that the installation is simple and quick. Preferably, the number of the fixing ribs 4 is not less than 3, the bottoms of the filter elements 5 are respectively supported, the bottoms of the fixing ribs 4 are of arc structures matched with the inner wall of the bottom of the lower shell 2, and therefore the installation stability is improved.

Specifically, as another embodiment of the present utility model, as shown in fig. 4 and 5, a plurality of engaging portions 52 are provided on a side of the filter element 5 to be mounted close to the upper housing 1, and the plurality of engaging portions 52 are provided around an outer diameter of the filter element 5 and extend in a direction away from an axis of the filter element 5; the lower casing 2 is provided with a recess 6 matching with a plurality of engaging portions 52 near one end of the upper casing 1, and the recess 6 is used for supporting the engaging portions 52. The groove 6 is provided in an L-shape, and the groove 6 includes an extension groove 61 opened in a radial direction of an inner wall of the lower housing 2. During installation, the clamping part 52 of the filter element 5 is hung in the groove 6 at the top of the lower shell 2, the filter element 5 is rotated, the clamping part 52 is clamped and fixed with the extending groove 61, and the hanging type installation is realized.

Working principle:

when carrying out the support type installation to different diameter filter core 5, replace not unidimensional fixed muscle 4, make draw-in groove 41 and filter core 5 external diameter looks adaptation, the bellying 51 inserts assorted fixed slot 13 and realizes the fixed mounting of filter core 5 and last casing 1, splice last casing 1 and lower casing 2, establish through coupling nut 3 cover and screw up in the handing-over department until coupling nut 3 is by fixture block 7 chucking, the draw-in groove 41 of a plurality of fixed muscle 4 supports the bottom of filter core 5 this moment. When the filter element 5 with different lengths is installed in a hanging mode, the clamping part 52 of the filter element 5 is hung in the groove 6 at the top of the lower shell 2, and the filter element 5 is rotated to enable the clamping part 52 to be clamped and fixed with the extending groove 61.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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

1. A high purity filter comprising a housing and a filter cartridge (5) arranged inside the housing, characterized in that: the top of the filter element (5) to be installed is provided with a water inlet, the shell comprises an upper shell (1) and a lower shell (2), and the upper shell (1) and the lower shell (2) are connected in a sealing way through a connecting piece; the utility model discloses a filter cartridge, including upper casing (1), filter core (5), filter core, lower casing (2), inlet (11) and play liquid interface (12) have been seted up to upper casing (1), inlet (11) with the water inlet is linked together, the inside one end of keeping away from of lower casing (2) upper casing (1) is provided with the bottom sprag position, the bottom sprag position can dismantle with lower casing (2) and be connected, and the bottom sprag position is equipped with draw-in groove (41) with filter core (5) external diameter assorted.

2. A high purity filter according to claim 1 wherein: the filter element is characterized in that a fixing groove (13) is formed in the upper shell (1) in the vertical direction, the top end of the fixing groove (13) is communicated with the water inlet, and a protruding portion (51) matched with the fixing groove (13) is arranged at one end, close to the upper shell (1), of the filter element (5).

3. A high purity filter according to claim 2 wherein: a plurality of clamping parts (52) are arranged on one side, close to the upper shell (1), of the filter element (5) to be installed, and the clamping parts (52) are arranged around the outer diameter of the filter element (5) and extend in the direction away from the axis of the filter element (5); one end of the lower shell (2) close to the upper shell (1) is provided with a groove (6) matched with a plurality of clamping parts (52), and the groove (6) is used for supporting the clamping parts (52).

4. A high purity filter according to claim 3 wherein: the groove (6) is L-shaped, the groove (6) comprises an extending groove (61) formed in the radial direction of the inner wall of the lower shell (2), and the extending groove (61) is used for clamping and fixing the clamping part (52).

5. A high purity filter according to claim 1 wherein: the bottom support position comprises a plurality of fixing ribs (4), the fixing ribs (4) are arranged around the inner wall of the lower shell (2), and the bottoms of the fixing ribs (4) are of arc structures matched with the inner wall of the bottom of the lower shell (2).

6. A high purity filter according to claim 1 wherein: the connecting piece is provided with a connecting nut (3), the connecting nut (3) is sleeved at the joint of the upper shell (1) and the lower shell (2), is in threaded connection with the upper shell (1), and is clamped and fixed through the clamping block (7).

7. A high purity filter according to claim 2 wherein: and at least 2 layers of first sealing rings (8) are arranged outside the protruding parts (51).

8. A high purity filter according to claim 6 wherein: the inside of the connecting nut (3) is provided with a second sealing ring (9).