CN218608849U

CN218608849U - Membrane filter equipment is used in inspection of microorganism limit

Info

Publication number: CN218608849U
Application number: CN202222789598.XU
Authority: CN
Inventors: 何蕊; 何琼; 沈国运
Original assignee: Beijing Luqiao Technology Co ltd
Current assignee: Beijing Luqiao Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-14
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a film filtering device is used in inspection of microorganism limit, comprising a base plate, the upper end of bottom plate evenly is provided with four support columns, four along the center the fixed connecting plate that is provided with in upper end of support column, the fixed external screw thread interface that is provided with in upper end of connecting plate, the upper portion of connecting plate and the activity on external screw thread interface are provided with the cartridge filter, it strains a section of thick bamboo to be provided with the film through the bearing in the cartridge filter, the upper end that a section of thick bamboo was strained to the film is provided with uncovered, and open upper end and the top combination at the cartridge filter are provided with the apron, the upper end center of apron is provided with the motor, the output shaft of motor is provided with the bull stick, the fixed spacing plectane that is provided with of the lower extreme periphery wall of bull stick, just spacing plectane with a section of thick bamboo combination setting is strained to the film. The utility model discloses accelerated solution filtration rate to solution after filtering is collected, dismantlement formula structure simultaneously conveniently carries out inside clearance and maintenance.

Description

Membrane filter equipment is used in inspection of microorganism limit

Technical Field

The utility model relates to a film filtering device correlation technique field specifically is a film filtering device is used in inspection of microorganism limit.

Background

The microbial limit inspection method is a method for inspecting the degree of microbial contamination of an unspecified sterile preparation, and raw materials and auxiliary materials thereof. The test items include the number of bacteria, the number of mold, the number of yeast, and the control bacteria test. The film filtration method is used as one of the microbial limit inspection methods of the medicines in China, and can effectively eliminate the components with the bacteriostatic action in the medicines.

At present, current membrane filter equipment can slow down because of filtering the velocity of flow and lead to holistic detection progress to influence test efficiency, the membrane filter equipment of current integral type structural design still exists not enoughly in the aspect of inside clearance and structure maintenance, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane filtration device is used in inspection of microorganism limit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a film filtering device is used in inspection of microorganism limit, includes the bottom plate, the upper end of bottom plate evenly is provided with four support columns, four along the center the fixed connecting plate that is provided with in upper end of support column, the fixed external screw thread interface that is provided with in upper end of connecting plate, the upper portion of connecting plate and the activity are provided with the cartridge filter on external screw thread interface, it strains a section of thick bamboo to be provided with the film through the bearing in the cartridge filter, the upper end that a section of thick bamboo was strained to the film is provided with uncovered, and open upper end and the top combination at the cartridge filter are provided with the apron, the upper end center of apron is provided with the motor, the output shaft of motor is provided with the bull stick, the fixed spacing plectane that is provided with of the lower extreme periphery wall of bull stick, just spacing plectane with a combination setting is strained to the film.

Preferably, four grooves are formed in the center of the opening at the upper end of the film filter cylinder, four bumps are arranged in the center of the lower end face of the limiting circular plate, and the bumps and the grooves are arranged in a matched mode.

Preferably, an internal thread interface is arranged at the bottom end of the filter cylinder, and the internal thread interface and the external thread interface are arranged in a screwing manner.

Preferably, a hollow cavity is reserved between the membrane filter cylinder and the filter cylinder.

Preferably, the top annular end face of the filter cylinder is provided with four connecting grooves along the center, and the lower end face of the cover plate is provided with four connecting blocks matched with the connecting grooves along the center.

Preferably, the center of the connecting plate is provided with an opening, and the opening is communicated with the hollow cavity.

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

1. the utility model is provided with a filter cartridge, a film filter cartridge and a cover plate structure fixed with a motor, when the cover plate structure fixed with the motor is closed at the top of the filter cartridge, the rotating rod is driven to rotate by starting the motor, so that the film filter cartridge connected with a fixed spacing circular plate is sleeved on the peripheral end surface of the rotating rod to perform circular motion under the action of a bearing, the generated centrifugal force can accelerate the solution filtering speed, and the use effect is good;

2. the utility model discloses the external screw thread interface, the female connection that still set up simultaneously can revolve the cartridge filter on the box-like dismouting connecting plate, conveniently take off the cartridge filter from the connecting plate and carry out inside clearance, and connecting block and spread groove that set up simultaneously can pull down the apron that has motor structure fast, convenient the maintenance.

Drawings

FIG. 1 is a structural view of the whole three-dimensional appearance of the present invention;

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

FIG. 3 isbase:Sub>A cross-sectional view of the structure of FIG. 2A-A according to the present invention;

fig. 4 is an enlarged view of a structure B in fig. 3 according to the present invention.

In the figure: 1. a base plate; 2. a support pillar; 3. a connecting plate; 4. an external thread interface; 5. a filter cartridge; 6. a membrane cartridge; 7. a cover plate; 8. a motor; 9. a rotating rod; 10. a limiting circular plate; 11. a groove; 12. a bump; 13. an internal threaded interface; 14. a hollow cavity; 15. connecting grooves; 16. connecting blocks; 17. and (6) a port.

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 a technical solution: the utility model provides a film filtering device is used in inspection of microorganism limit, comprising a base plate 1, four support columns 2 are evenly installed along the center in the upper end of bottom plate 1, the upper end welded fastening of four support columns 2 installs connecting plate 3, the upper end welded fastening of connecting plate 3 has external screw thread interface 4, the upper portion of connecting plate 3 and the closed installation have cartridge filter 5 on external screw thread interface 4, there is film filter 6 through the bearing connection in the cartridge filter 5, film filter 6's upper end is stayed and is equipped with uncovered, uncovered upper end and at cartridge filter 5's top combined mounting have apron 7, the upper end central screw fixed mounting of apron 7 has motor 8, motor 8's output shaft has bull stick 9 through the coupling joint, bull stick 9 extends to the lower part of apron 7, the lower extreme periphery wall cover of bull stick 9 establishes welded mounting and has spacing plectane 10, and spacing plectane 10 and film filter 6 combined connection.

Four grooves 11 are arranged along the center of the opening at the upper end of the film filter cylinder 6, four lugs 12 are welded along the center of the lower end surface of the limiting circular plate 10, and the lugs 12 are matched and connected with the grooves 11; an internal thread interface 13 is welded and installed at the bottom end of the filter cylinder 5, and the internal thread interface 13 is screwed and connected with the external thread interface 4; a hollow cavity 14 is reserved between the membrane filter cylinder 6 and the filter cylinder 5; four connecting grooves 15 are formed in the center of the annular end face of the top of the filter cartridge 5, and four connecting blocks 16 matched with the connecting grooves 15 are installed in the center of the lower end face of the cover plate 7; the center of the connecting plate 3 is completely penetrated with a through hole 17, and the through hole 17 is communicated with the hollow cavity 14.

The working principle is as follows: the utility model discloses a when using, place the collection box through opening 17 on bottom plate 1 and at 3 terminal surface centers of connecting plate under, then open apron 7, pour into solution for the inspection of microorganism limit in the membrane filter cylinder 6, later in time through spread groove 15 and connecting block 16 upper cover plate 7, and the uncovered edge center of 6 upper ends is seted up four recess 11 and is stablized the connection membrane filter cylinder 6 and spacing plectane 10 through lug 12 of terminal surface and membrane filter cylinder under spacing plectane 10, starting motor 8 this moment, drive bull stick 9 rotates, make 9 periphery end cover of bull stick establish the membrane that fixed spacing plectane 10 connects and strain 6 and carry out circular motion under the bearing effect, the centrifugal force of production can accelerate solution filtration rate, and the centrifugal force has the advantages of simple structure, high durability and convenient use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A membrane filtration device for microbial limit test, comprising a base plate (1), characterized in that: the upper end of bottom plate (1) evenly is provided with four support column (2), four along the center the upper end of support column (2) is fixed and is provided with connecting plate (3), the fixed external screw thread interface (4) that is provided with in upper end of connecting plate (3), the upper portion of connecting plate (3) just the activity is provided with cartridge filter (5) on external screw thread interface (4), be provided with membrane filter cartridge (6) through the bearing in cartridge filter (5), the upper end that membrane filter cartridge (6) was provided with uncovered, open upper end and be provided with apron (7) in the top combination of cartridge filter (5), the upper end center of apron (7) is provided with motor (8), the output shaft of motor (8) is provided with bull stick (9), the fixed spacing plectane (10) that is provided with of the lower extreme periphery wall of bull stick (9), just spacing plectane (10) with the combination setting of membrane filter cartridge (6).

2. The membrane filtration device for microbial limit test according to claim 1, wherein: four grooves (11) are formed in the center of the opening at the upper end of the film filter cylinder (6), four lugs (12) are arranged in the center of the lower end face of the limiting circular plate (10), and the lugs (12) are matched with the grooves (11).

3. The membrane filtration device for microbial limit test according to claim 1, wherein: the bottom of cartridge filter (5) is provided with internal thread interface (13), internal thread interface (13) with external thread interface (4) close the setting soon.

4. The membrane filtration device for microbial limit test according to claim 1, wherein: a hollow cavity (14) is reserved between the membrane filter cylinder (6) and the filter cylinder (5).

5. The membrane filtration device for microbial limit test according to claim 1, wherein: the top annular end face of cartridge filter (5) is provided with four spread groove (15) along the center, the lower terminal surface of apron (7) is provided with four connecting block (16) identical with spread groove (15) along the center.

6. The membrane filtration device for microbial limit test according to claim 4, wherein: the center of connecting plate (3) is provided with through opening (17), through opening (17) with well cavity (14) communicate with each other.