CN217661969U - High-efficient millipore filtration membrane filter - Google Patents

Abstract

The utility model discloses a high-efficiency microporous membrane filter, which comprises a filter cup, a liquid guide tube is arranged on the lower side of the filter cup, and a connection mechanism is arranged on the outer side of the liquid guide tube, and the connection mechanism includes an inlet A liquid pipe and a connecting shell, the lower end of the connecting shell is provided with a connecting pipe, the inner side of the connecting pipe on the connecting shell is provided with a liquid outlet pipe, and the outer side of the connecting pipe is provided with an elastic sealing gasket. The filter membrane of the utility model is placed on the inner side of the two fixing rings, and the filter membrane is supported and protected by the protective filter screen on both sides, so as to avoid the damage of the filter membrane, prolong the service life of the filter membrane, and at the same time, the filter times can be increased through the protection filter screen. , to improve the filtering effect, the protective filter screen can be disassembled and cleaned, and has a long service life. At the same time, it can also be used in conjunction with the limit column, the rotary card slot, the elastic sealing gasket, the connecting pipe, the sealing rubber gasket and the sealing ring to strengthen the joints on the device. improve the sealing effect of the device.

Description

A high-efficiency microporous membrane filter

technical field

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

Background technique

When conducting biochemical experiments, it is usually necessary to filter the mixed liquid. At this time, a microporous membrane filter is required for filtration. The microporous membrane filter includes upper, middle and lower parts. , the experimental fluid is poured into the filter cup and then filtered through the microporous membrane in the middle to isolate some large particles, particles, bacteria and other substances, and then pour the filtered filtrate into the collection bottle.

The existing microporous membrane filter has the following problems in use:

1. There are no certain protective measures for the filter membrane. When filtering large impurities, the impurities will damage the filter membrane;

2. No sealing measures are taken at the connection of the filter, and the sealing performance is poor.

Utility model content

The purpose of this utility model is to provide a high-efficiency microporous membrane filter to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a high-efficiency microporous membrane filter, including a filter cup, the lower side of the filter cup is provided with a catheter, and the outer side of the catheter is provided with a connecting mechanism, the connecting mechanism includes a liquid inlet pipe and a connecting shell, the lower end of the connecting shell is provided with a connecting pipe, the inner side of the connecting pipe on the connecting shell is provided with a liquid outlet pipe, and the outer side of the connecting pipe is provided with an elastic seal A collection bottle is arranged on the outside of the elastic sealing gasket, a filter membrane is arranged in the connection shell, and a protection mechanism is arranged on the outside of the filter membrane in the connection casing.

Preferably, the outer side of the catheter is provided with a plurality of limit posts, the connecting shell is installed at the lower end of the liquid inlet pipe, and the liquid inlet pipe is provided with a rotating slot for use with the limit posts, so The inner side of the liquid inlet pipe is provided with a sealing rubber pad.

Preferably, the connecting shell includes a lower shell and an upper shell, an annular sealing groove is opened on the lower shell, a sealing ring is arranged inside the annular sealing groove, and a screw thread is opened on the outer side of the upper shell. , the upper shell is screwed to the lower shell.

Preferably, the protective mechanism includes a fixed ring and a protective filter screen, the protective filter screen is fixedly mounted on the inner side of the fixed ring, and the fixed ring is slidably connected to the lower housing.

Preferably, a plurality of filter holes are opened on the inner side of the liquid outlet pipe on the lower casing.

Preferably, a suction pipe is provided on the connecting pipe, and a one-way valve is provided in the suction pipe.

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

1. The filter membrane of the utility model is placed on the inner side of the two fixed rings, and the protective filter screens on both sides provide support and protection for the filter membrane to avoid damage to the filter membrane and prolong the service life of the filter membrane. At the same time, the protective filter screen can increase Filtration times improve the filtering effect, the protective filter can be disassembled and cleaned, and has a long service life;

2. At the same time, the utility model also strengthens the sealing of each joint on the device through the cooperative use of the limit column, the rotating card slot, the elastic sealing pad, the connecting pipe, the sealing rubber pad and the sealing ring, and improves the sealing effect of the device.

Description of drawings

Fig. 1 is a cross-sectional view of the front view structure of the utility model;

Fig. 2 is a front view of the utility model;

Fig. 3 is a schematic exploded view of the catheter and the upper casing in the present invention.

In the figure: 1, filter cup; 2, catheter; 3, connecting mechanism; 31, liquid inlet pipe; 32, connecting shell; 321, lower shell; 322, upper shell; 4, connecting pipe; 5, outlet Liquid pipe; 6. Elastic gasket; 7. Collection bottle; 8. Filter membrane; 9. Protective mechanism; 91. Fixed ring; 92. Protective filter; 10. Limiting column; Rubber pad; 13, sealing ring; 14, exhaust pipe; 15, one-way valve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a high-efficiency microporous membrane 8 filter, including a filter cup 1, the lower side of the filter cup 1 is provided with a catheter 2, the catheter 2 The outside is provided with a connecting mechanism 3, and the connecting mechanism 3 includes a liquid inlet pipe 31 and a connecting shell 32. The lower end of the connecting shell 32 is provided with a connecting pipe 4, and the inner side of the connecting pipe 4 on the connecting shell 32 is provided with a liquid outlet pipe 5, and the connecting pipe 4 The outer side of the elastic sealing pad 6 is provided with a collection bottle 7, the connecting shell 32 is provided with a filter membrane 8, and the outer side of the connecting shell 32 inner filter membrane 8 is provided with a protective mechanism 9;

The outer side of the catheter tube 2 is provided with a plurality of limit posts 10, the connecting shell 32 is installed on the lower end of the liquid inlet pipe 31, and the liquid inlet pipe 31 is provided with a rotating card slot 11 used in conjunction with the limit posts 10, and the liquid inlet pipe The inner side of 31 is provided with a sealing rubber pad 12, and the connecting shell 32 includes a lower housing 321 and an upper housing 322. The lower housing 321 is provided with an annular sealing groove, and a sealing ring 13 is arranged in the annular sealing groove, and the upper housing 322 The outer side of the upper shell 322 is threadedly connected with the lower shell 321. The protective mechanism 9 includes a fixed ring 91 and a protective filter screen 92. The protective filter screen 92 is fixedly installed on the inner side of the fixed ring 91. The fixed ring 91 is connected to the lower shell Body 321 is slidably connected, and the inner side of liquid outlet pipe 5 on the lower housing 321 is provided with a plurality of filter holes, and connecting pipe 4 is provided with a suction pipe 14, and a one-way valve 15 is arranged in the suction pipe 14.

Working principle: when in use, insert the catheter 2 into the rotating card slot 11 and turn it, and seal the seal between the connecting tube 4 and the catheter 2 through the sealing rubber pad 12, and pour the solution into the filter cup 1 when filtering. The suction device is connected with the suction pipe 14 for pumping, forming a negative pressure at the bottom of the liquid outlet pipe 5 to speed up the filtration, and realizing multiple filtration through the protective filter 92 and the filter membrane 8, and providing support and protection for the filter membrane 8 , when replacing the filter membrane 8, only need to rotate the upper casing 322 to separate the upper casing 322 from the lower casing 321, take out the protective filter screen 92 to replace the filter membrane 8, the filter membrane 8 has a long service life and a good sealing effect The advantages.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A high-efficiency microporous filter membrane filter comprises a filter bowl (1), and is characterized in that: the downside of filter bowl (1) is provided with catheter (2), the outside of catheter (2) is provided with coupling mechanism (3), coupling mechanism (3) are including feed liquor pipe (31), connection shell (32), the lower extreme of connection shell (32) is provided with connecting pipe (4), the inboard of connecting pipe (4) is provided with drain pipe (5) on connection shell (32), the outside of connecting pipe (4) is provided with the elastic sealing pad (6), the outside of elastic sealing pad (6) is provided with receiving flask (7), be provided with in connection shell (32) filter membrane (8), the outside of filter membrane (8) is provided with protection machanism (9) in connection shell (32).

2. The high efficiency microfiltration membrane filter according to claim 1 wherein: the liquid guide tube is characterized in that a plurality of limiting columns (10) are arranged on the outer side of the liquid guide tube (2), the connecting shell (32) is installed at the lower end of the liquid inlet tube (31), a rotary clamping groove (11) matched with the limiting columns (10) in use is formed in the liquid inlet tube (31), and a sealing rubber gasket (12) is arranged on the inner side of the liquid inlet tube (31).

3. The high efficiency microfiltration membrane filter according to claim 1 wherein: connect shell (32) including casing (321) and last casing (322) down, the annular seal groove has been seted up on casing (321) down, be provided with sealing washer (13) in the annular seal groove, go up the outside of casing (322) and seted up screw thread, go up casing (322) and casing (321) threaded connection down.

4. The high efficiency microfiltration membrane filter according to claim 3 wherein: protection machanism (9) are including solid fixed ring (91), protection filter screen (92) fixed mounting is in the inboard of solid fixed ring (91), gu fixed ring (91) and lower casing (321) sliding connection.

5. The high efficiency microfiltration membrane filter according to claim 4 wherein: a plurality of filtering holes are formed in the inner side of the liquid outlet pipe (5) on the lower shell (321).

6. The high efficiency microfiltration membrane filter according to claim 1 wherein: an air exhaust pipe (14) is arranged on the connecting pipe (4), and a one-way valve (15) is arranged in the air exhaust pipe (14).

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