CN211394467U

CN211394467U - Microbial filtration collection device

Info

Publication number: CN211394467U
Application number: CN201922114491.3U
Authority: CN
Inventors: 徐晶; 吕平
Original assignee: Yantai Jinguoyuan Biotechnology Co ltd
Current assignee: Yantai Jinguoyuan Biotechnology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-01
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to a microbial filtration collection device, it detects piece and erlenmeyer flask including filtering, installs the buchner flask directly over the erlenmeyer flask, and the buchner flask top is connected with the funnel rather than integrated into one piece, and the funnel upper end is integrated into one piece's circular shape filter, lays the wide-necked bottle of inversion directly over the filter plate, and the wide-necked bottle bottleneck size is unanimous with circular shape filter and bottle end opening, and the collection cassette of placing on the filter is competent in wide-necked bottle and circular shape filter junction, the utility model has the effect of can realizing collecting more microorganisms.

Description

Microbial filtration collection device

Technical Field

The utility model belongs to the technical field of little biological detection's technique and specifically relates to a microbiological filtration collection device is related to.

Background

At present, in the microbial testing process of fruit vinegar beverage finished products, a graduated pipette is generally adopted for sampling, and after sampling, the fruit vinegar beverage finished products are placed in a culture dish, added with a culture medium and uniformly shaken and then cultured.

The above prior art solutions have the following drawbacks: the microorganisms move freely in the detection liquid and are distributed unevenly, and the sampling by using the graduated pipette easily results in that the microorganisms cannot be extracted or the number of the extracted microorganisms is too small, so that the accuracy of the detection result is greatly influenced, and the problem of how to collect more microorganisms during the detection is to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a little biofiltration collection device can make the microorganism detected by collecting completely.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a microbiological filtration collection device, including circular filter element and erlenmeyer flask, the erlenmeyer flask top is connected with the buchner flask, be equipped with integrated into one piece's last branch pipe on the buchner flask side wall, the last branch pipe links to each other with air exhaust device, the buchner flask upper end is connected with rather than integrated into one piece's funnel, funnel upper end opening part closes to the circular shape filter, lay the wide-necked bottle of inversion directly over the filter plate, the wide-necked bottle bottleneck size is unanimous and the bottle end opening with circular shape filter size, there is the circular filter element of level placement on the filter at wide-necked bottle and circular shape filter junction, the diameter size and the diameter on the outer edge of wide-necked bottle bottleneck of circular filter element are unanimous.

Through adopting above-mentioned technical scheme, the detection liquid that will contain the microorganism is poured slowly from wide-necked bottle base opening part, circular filter element unanimous with the maximum diameter of wide-necked bottle bottleneck through adopting the diameter size, can be sealed to the wide-necked bottle bottleneck, open air exhaust device, air exhaust device takes the erlenmeyer flask out gradually, the buchner flask air, cause the negative pressure, because the effect of atmospheric pressure, make and pour into the detection liquid in the wide-necked bottle and can pass circular filter element and get into the below funnel, and the microorganism can't pass through circular filter element, by whole collection on circular filter element, all microorganisms are all collected on circular filter element after final filtration, take off circular filter element and detect.

The utility model discloses further set up to: the upper branch pipe is connected with the air extractor by a rubber hose.

Through adopting above-mentioned technical scheme, rubber hose's elastic property can make the sealed effect of extrusion of junction better and can bear certain pressure when taking out the pressure, and rubber hose can improve the flexibility of device mounted position simultaneously.

The utility model discloses further set up to, the upper branch pipe is the toper, follows the direction taper of the port department of the supreme branch pipe of buchner flask side wall.

Through adopting above-mentioned technical scheme, set up upper support pipe for the toper, can make the extrusion sealed effect better when sleeving with the rubber hose.

The utility model discloses further set up to: the outer surface of the upper supporting pipe is provided with a plurality of circles of annular convex edges.

Through adopting above-mentioned technical scheme, when rubber hose and upper branch pipe box-packed, can increase the area of contact of rubber hose and upper branch pipe, make sealed effect better, cyclic annular bead also can increase the frictional force between upper branch pipe and the rubber hose simultaneously, prevents that the in-process rubber hose of bleeding from droing.

The utility model discloses further set up to, the junction of erlenmeyer flask and buchner flask adopts the dull polish to handle.

Through adopting above-mentioned technical scheme, the glass surface of the junction of erlenmeyer flask and buchner flask is through dull polish processing back, and the glass surface has slight unsmooth, can improve the lock precision between glass for sealed effect is better, leaks the gas loss pressure when avoiding vacuum to bleed.

The utility model discloses further set up to: the lower part of the funnel is a long rod-shaped funnel handle, and the bottom of the funnel handle is lifted to extend into the bottleneck of the conical flask.

Through adopting above-mentioned technical scheme, the detection liquid after the filtration can directly drip into the erlenmeyer flask, avoids detecting the junction that the liquid drips into erlenmeyer flask and buchner flask and influences the leakproofness.

The utility model discloses further set up to: the joint of the wide-mouth bottle and the filter plate is clamped and sealed by a flat clamp.

Through adopting above-mentioned technical scheme, press from both sides the wide-necked bottle with the flat clamp and press from both sides tightly with the filter, can improve the leakproofness of wide-necked bottle and filter junction, can prevent to pour the rigidity of wide-necked bottle into when detecting the liquid simultaneously, detect the liquid and strike the position that the wide-necked bottle made the wide-necked bottle and take place the skew, lead to the microorganism to filter and collect the failure.

The utility model discloses further set up to: one end of the flat clamp is provided with a semicircular opening.

Through adopting above-mentioned technical scheme, the semi-circular opening on the plate holder can cooperate with the appearance of wide-necked bottle and filter, further promotes to press from both sides tight and sealed effect.

The utility model discloses further set up to: the edge of the bottom opening of the filter flask is turned outwards to form a ring-shaped plate-shaped edge.

Through adopting above-mentioned technical scheme, when installing the buchner flask on the erlenmeyer flask, the ring plate form edge can be better with the bottle neck bottom of erlenmeyer flask running-in improvement leakproofness, the ring plate form edge also can prevent the fish tail staff simultaneously.

To sum up, the utility model discloses a beneficial technological effect does:

1. the microorganisms can be finally and completely collected on the circular filter disc through the air exhaust device and the circular filter disc, so that the microorganisms can be completely sampled and detected;

2. through adopting the dull polish to handle at the junction of erlenmeyer flask and buchner flask, can make sealed effect better, leak gas decompression when avoiding vacuum to bleed.

Drawings

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

FIG. 2 is an exploded view showing the connection structure of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a circular filter disc; 2. a conical flask; 3. a suction flask; 4. an upper branch pipe; 5. an air extraction device; 6. a funnel; 7. a filter plate; 8. a jar; 9. a rubber hose; 10. an annular rib; 11. a funnel handle; 12. a flat clamp; 13. a semicircular opening; 14. with a plate-like edge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a microorganism filtering and collecting device disclosed by the utility model comprises a circular filter disc 1 and a conical flask 2, a filtering flask 3 is connected above the conical flask 2, a frosting layer is arranged on the connection between the conical flask 2 and the filtering flask 3, an integrated upper support tube 4 is arranged on the side wall surface of the filtering flask 3, the port of the upper support tube 4 is connected with a rubber hose 9 in a sliding and extruding way, the port of the rubber hose 9 far away from the upper support tube 4 is connected with an air extractor 5, the upper end of the filtering flask 3 is provided with a funnel 6 integrated with the filtering flask, the bottom opening edge of the filtering flask 3 is outwards turned into a ring-shaped plate-shaped edge 14, the opening part at the upper end of the funnel 6 is closed into a circular filter plate 7, an inverted jar 8 is arranged right above the filter plate 7, the size of the mouth of the jar 8 is consistent with the size of the circular filter plate 7 and the bottom opening is arranged, the circular filter disc 1 is horizontally arranged, the diameter size of the circular filter disc 1 is consistent with the diameter of the outer edge of the mouth of the wide-mouth bottle 8, and a flat clamp 12 is arranged at the joint of the wide-mouth bottle 8 and the filter plate 7 to clamp and seal the wide-mouth bottle 8 and the filter plate 7.

Referring to fig. 2 and 3, the lower end of the funnel 6 is an integrally formed funnel handle 11, the funnel handle 11 extends into the bottleneck of the conical flask 2, one end clamped by a flat clamp 12 is provided with a semicircular opening 13 which is matched with the shape of the joint of the wide-mouth flask 8 and the filter plate 7, the upper supporting tube 4 is conical and is gradually thinned from the side wall surface of the filtering flask 3 to the port of the upper supporting tube 4, and the outer circumferential surface of the upper supporting tube 4 is provided with a plurality of circles of annular convex ridges 10.

The implementation principle of the embodiment is as follows: during the use, slowly pour into detection liquid from 8 bottle bottom openings of wide-necked bottle, open air exhaust device 5, under atmospheric pressure's effect, detect liquid and pass circular filter 1 and drip into erlenmeyer flask 2 gradually, and the microorganism can't pass through circular filter 1, finally all collect the microorganism on circular filter 1, take off circular filter 1 and detect can.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A microbiological filtration collection device, including circular filter element (1) and erlenmeyer flask (2), its characterized in that: the utility model discloses a filter, including filter flask (2), funnel (3) side wall face is equipped with integrated into one piece's upper branch pipe (4), the tube mouth end of upper branch pipe (4) can be dismantled and is connected with air exhaust device (5), filter flask (3) upper end is connected with funnel (6) rather than integrated into one piece, funnel (6) upper end opening part closes for circular shape filter (7), lay wide-necked bottle (8) of inversion directly over filter (7), wide-necked bottle (8) bottleneck size is unanimous and bottle bottom opening with circular shape filter (7) size, circular filter disc (1) level is placed with the junction of wide-necked bottle (8) and filter (7), the diameter size of circular filter disc (1) is unanimous with the diameter on the outer edge of wide-necked bottle (8) bottleneck.

2. A microfiltration collection device according to claim 1 wherein: a rubber hose (9) is arranged between the upper branch pipe (4) and the air extractor (5) to connect the upper branch pipe and the air extractor.

3. A microfiltration collection device according to claim 2 wherein: the upper branch pipe (4) is conical and gradually becomes thinner along the direction of the side wall surface of the filter flask (3) to the port of the upper branch pipe (4).

4. A microfiltration collection device according to claim 3 wherein: the outer surface of the upper branch pipe (4) is provided with a plurality of rings of annular convex edges (10).

5. A microfiltration collection device according to claim 1 wherein: and a frosted layer is arranged at the joint of the conical flask (2) and the suction filtration flask (3).

6. A microfiltration collection device according to claim 5 wherein: the lower part of the funnel (6) is a long rod-shaped funnel handle (11), and the bottom of the funnel handle (11) rises to extend into the bottleneck of the conical bottle (2).

7. A microfiltration collection device according to claim 1 wherein: the joint of the wide-mouth bottle (8) and the filter plate (7) is provided with a flat clamp (12) for clamping and sealing the wide-mouth bottle and the filter plate.

8. A microfiltration collection device according to claim 7 wherein: one end clamped by the flat clamp (12) is provided with a semicircular opening (13) which is suitable for the appearance of the joint of the wide-mouth bottle (8) and the filter plate (7).

9. A microfiltration collection device according to claim 1 wherein: the edge of the bottom opening of the filter flask (3) is turned outwards to form a ring-shaped plate-shaped edge (14).