CN217312775U

CN217312775U - Membrane filter of installation is convenient for change by force to leakproofness

Info

Publication number: CN217312775U
Application number: CN202221164651.0U
Authority: CN
Inventors: 薛涛; 顾晓佳; 许渤
Original assignee: Shandong Yusen Biotechnology Co ltd
Current assignee: Shandong Yusen Biotechnology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-08-30
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to the technical field of membrane filters, in particular to a membrane filter with strong sealing performance and convenient replacement and installation, which comprises a closing component, wherein a filter component is detachably connected below the closing component, and a filtering component is arranged inside the filter component; this membrane filter of installation is convenient for change by force to leakproofness, and filter filtering part can wholly shift out, and the direct quick disposable filter membrane of change of the user of being convenient for has avoided the condition such as filter membrane fold position not agrees with, has shortened the better secondary pollution who has avoided the filter to receive external bacterium of change time to optimize sealed mode, improved the leakproofness, effectively prevent exogenous pollution, ensure the fungus and examine the success rate.

Description

Membrane filter of installation is convenient for change by force to leakproofness

Technical Field

The utility model relates to a membrane filter technical field specifically is a membrane filter of installation is convenient for change by force to leakproofness.

Background

The existing membrane filter is used as a dual-purpose aseptic inspection membrane filter, has the characteristics of universality of two culture methods, the filtering part of the filter is made of glass materials, the chemical property is stable, and the sealing degree is strong. In view of this, we propose a membrane filter with strong sealing performance and easy replacement and installation.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a strong membrane filter who is convenient for change the installation of leakproofness.

The technical scheme of the utility model is that:

a membrane filter with strong sealing performance and convenient replacement and installation comprises a closing component, wherein a filter component is detachably connected below the closing component, and a filtering component is arranged inside the filter component;

the filter assembly comprises a filter bin, a threaded port is fixedly connected to the upper portion of the filter bin, two guide grooves and an arc-shaped groove are formed in the inner wall of the filter bin, each guide groove is provided with the arc-shaped groove, the filter assembly comprises a connecting rod, sliding rods are fixedly mounted at the two ends of the connecting rod, special-shaped blocks are fixedly connected to the lower portions of the sliding rods, a filtrate plate is fixedly mounted below the sliding rods, a limiting convex ring is fixedly connected to the upper portion of the filtrate plate, and a disposable filter membrane is replaceably mounted in the limiting convex ring.

Preferably, the closing assembly comprises a filter cover, a pad groove is formed in the filter cover, and a gasket is arranged in the pad groove.

Preferably, the pad groove is provided with an internal thread structure, the thread opening is provided with an external thread structure, and the pad groove and the thread opening are matched in size and are in threaded connection.

Preferably, a liquid discharge pipe is arranged at the bottom of the filtering bin, and an air exhaust channel is arranged on the side wall below the filtering bin.

Preferably, the guide groove and the sliding rod at the corresponding position are mutually inserted, and the arc-shaped groove and the special-shaped block are mutually matched.

Preferably, the range enclosed by the limit convex ring is matched with the size of the disposable filter membrane.

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

this membrane filter of installation is convenient for change by force to leakproofness, and filter filtering part can wholly shift out, and the direct quick disposable filter membrane of change of the user of being convenient for has avoided the condition such as filter membrane fold position not agrees with, has shortened the better secondary pollution who has avoided the filter to receive external bacterium of change time to optimize sealed mode, improved the leakproofness, effectively prevent exogenous pollution, ensure the fungus and examine the success rate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the overall structure of the present invention;

fig. 3 is a cross-sectional view of the closure assembly of the present invention;

FIG. 4 is a cross-sectional view of a strainer assembly of the present invention;

FIG. 5 is a schematic view of the filter assembly of the present invention;

fig. 6 is an exploded view of the filter assembly of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a closure assembly; 11. a filter cover; 12. a pad groove; 13. a gasket;

2. a filter assembly; 21. filtering a bin; 22. a threaded opening; 23. a guide groove; 24. an arc-shaped slot; 25. an air extraction channel; 26. a liquid discharge pipe;

3. a filter assembly; 31. a disposable filter membrane; 32. a connecting rod; 33. a slide bar; 34. a special-shaped block; 35. a filtrate plate; 36. a limit convex ring.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention details the above technical solution by the following embodiments:

a membrane filter with strong sealing performance and convenient replacement and installation comprises a closing component 1, a filter component 2 is detachably connected below the closing component 1, and a filter component 3 is arranged inside the filter component 2;

filter subassembly 2 is including straining storehouse 21, strain the top fixedly connected with screw thread mouth 22 of storehouse 21, be equipped with fluid-discharge tube 26 on straining the bottom storehouse end of storehouse 21 self, be equipped with air bleed channel 25 on straining the below lateral wall of storehouse 21 self, be equipped with two guide ways 23 on straining the storehouse 21 inner wall, the below of every guide way 23 is equipped with arc wall 24, filter subassembly 3 includes connecting rod 32, the equal fixed mounting in both ends of connecting rod 32 has slide bar 33, slide bar 33's below fixedly connected with special-shaped piece 34, slide bar 33 below fixed mounting has filtrate board 35, the spacing bulge loop 36 of top fixedly connected with of filtrate board 35, disposable filter membrane 31 has been installed replaceably in the spacing bulge loop 36.

The closing assembly 1 comprises a filtering cover 11, a pad groove 12 is formed in the filtering cover 11, a gasket 13 is arranged in the pad groove 12, the pad groove 12 is provided with an internal thread structure, a thread opening 22 is provided with an external thread structure, the size of the pad groove 12 and the size of the thread opening 22 are matched, the gasket groove and the thread opening 22 are in threaded connection, the filtering cover 11 is rotated when the closing assembly is closed, the thread opening 22 compresses the gasket 13, the gasket 13 in the embodiment is made of rubber and has good elasticity, and the air tightness is stronger when the closing assembly is closed.

The guide groove 23 and the slide bar 33 at the corresponding position are mutually inserted, the arc-shaped groove 24 and the special-shaped block 34 are mutually matched, and the filter component 3 can be directly taken out when the disposable filter membrane 31 needs to be replaced.

The range enclosed by the limit convex ring 36 is matched with the size of the disposable filter membrane 31, so that the disposable filter membrane 31 can be replaced by the membrane taking device more conveniently, and wrinkles are reduced and the disposable filter membrane 31 is not attached.

The membrane filter of the embodiment has strong sealing performance and is convenient to replace and mount, taking the count of mixed bacteria of detected suspension as an example, a user can use the membrane filter after steam sterilization at 121 ℃ is carried out on the membrane filter before the membrane filter is used, the closing component 1 is detached after the filter cover 11 is rotated when the membrane filter is used, then the filter component 3 inserted in the filter component 2 is taken out, the filtrate plate 35 is provided with a limit convex ring 36 matched with the size of the disposable filter membrane 31, then the disposable filter membrane 31 is replaced by the membrane taking device, then the whole filter component 3 is inserted into the filter component 2 again, then the suspension to be detected is injected, then the membrane filter is closed by rotating the filter cover 11, the main part of the filter component 3 for replacing the disposable filter membrane 31 is arranged into a detachable structure in the process, the user can conveniently and rapidly and accurately replace the disposable filter membrane 31, and the phenomenon of secondary bacterial pollution possibly caused by putting the membrane taking device into the instrument is also avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A membrane filter of strong leakproofness for replacement installation, comprising a closure assembly (1), characterized in that: a filter assembly (2) is detachably connected below the closing assembly (1), and a filtering assembly (3) is arranged inside the filter assembly (2);

filter subassembly (2) is including straining storehouse (21), strain top fixedly connected with screw thread mouth (22) in storehouse (21), it is equipped with two guide ways (23), every on storehouse (21) inner wall to strain the below of guide way (23) is equipped with arc wall (24), filtering component (3) are including connecting rod (32), the equal fixed mounting in both ends of connecting rod (32) has slide bar (33), the below fixedly connected with special-shaped piece (34) of slide bar (33), slide bar (33) below fixed mounting has filtrate board (35), the spacing bulge loop (36) of top fixedly connected with of filtrate board (35), install disposable filter membrane (31) in spacing bulge loop (36) replaceably.

2. The membrane filter of claim 1 having enhanced sealing for ease of replacement installation, wherein: the closing assembly (1) comprises a filter cover (11), a pad groove (12) is formed in the filter cover (11), and a gasket (13) is arranged in the pad groove (12).

3. The membrane filter of claim 2 having enhanced sealing for ease of replacement installation, wherein: the cushion groove (12) is provided with an internal thread structure, the thread opening (22) is provided with an external thread structure, and the cushion groove (12) and the thread opening (22) are matched in size and are in threaded connection.

4. The membrane filter of claim 1 having enhanced sealing for ease of replacement installation, wherein: a liquid discharge pipe (26) is arranged at the bottom of the filtering bin (21), and an air exhaust channel (25) is arranged on the side wall below the filtering bin (21).

5. The membrane filter of claim 1 having enhanced sealing for ease of replacement installation, wherein: the guide groove (23) and the sliding rod (33) at the corresponding position are mutually inserted, and the arc-shaped groove (24) and the special-shaped block (34) are mutually matched.

6. The membrane filter of claim 1 having enhanced sealing for ease of replacement installation, wherein: the range enclosed by the limit convex ring (36) is matched with the size of the disposable filter membrane (31).