CN217377843U - Ventilation cover - Google Patents

Abstract

The utility model relates to the technical field of bottle caps for culture media, in particular to a ventilation cap, which comprises a ventilation cap body, wherein the ventilation cap body is provided with a through hole and at least two air filtering devices, each air filtering device comprises an air filtering device body, an inlet and outlet pipeline which is respectively arranged at two ends of the air filtering device body and is inserted into the through hole, and a sealing cap which is movably connected with the inlet and outlet pipeline; the inlet and outlet pipeline is communicated with the air filtering device body; the number of the air filtering devices corresponds to the number of the through holes. Through this ventilative lid, can effectively solve and can not accomplish oxygen injection and exhaust gas discharge's problem simultaneously, also can guarantee that the moisture in the culture medium does not run off.

Description

Ventilation cover

Technical Field

The utility model relates to a bottle lid technical field that the culture medium was used especially relates to a ventilative lid.

Background

The bacterial working seed batch recovery is generally carried out on a culture medium, and a sealed plastic cover is generally used for the culture medium in the prior art. When bacteria are aerobic bacteria, such as bacillus calmette guerin, batch resuscitation of working seeds of the bacillus calmette guerin is generally carried out on a roe culture medium, and a large amount of oxygen is needed in the resuscitation process, so that the oxygen in a bottle is less and less in the resuscitation process of the bacillus calmette guerin due to the combination of the conventional roe culture medium and a sealed plastic cover, and the resuscitation growth time of the bacillus calmette guerin can be seriously influenced.

In the prior art, a chinese utility model patent document with publication number CN202954046U and publication date of 2013, 05 and 29 is proposed to solve the above existing technical problems, and the technical scheme disclosed in the patent document is as follows: a spiral cover type air-permeable culture dish mainly comprises a cover, a bottom, a sealing ring and an air filtering device. The air filtering device comprises an air filtering membrane and a film pressing sheet; three trapezoidal plates which are uniformly distributed are arranged on the inner wall of the culture dish cover and are used as outer bayonets; the outer wall of culture dish bottom has three trapezoidal plates of evenly distributed, as interior bayonet socket.

In the actual use process, the following problems can occur in the technical scheme: this air filter and air vent set up in order to avoid sealed culture dish, avoid the deficient of air in the culture dish, finally realize the natural circulation of air, and the business turn over of air is all through this through-hole, and to the cultivation of good oxygen fungus, the effect is not big to the structure of this ventilation formula causes moisture loss easily. This structure also cannot accomplish the oxygen injection work conveniently and cannot accomplish both the oxygen injection and the exhaust gas discharge at the same time.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a ventilative lid can effectively solve and can not accomplish oxygen injection and exhaust problems simultaneously, also can guarantee that the moisture in the culture medium does not run off.

The utility model discloses a realize through adopting following technical scheme:

the utility model provides a ventilative lid, includes ventilative lid body, its characterized in that: the ventilation cover body is provided with a through hole and at least two air filtering devices, and each air filtering device comprises an air filtering device body, an inlet and outlet pipeline which is respectively positioned at two ends of the air filtering device body and is used for being inserted into the through hole, and a sealing cover which is movably connected with the inlet and outlet pipeline; the inlet and outlet pipeline is communicated with the air filtering device body; the number of the air filtering devices corresponds to the number of the through holes.

A first sealing ring is arranged in the through hole.

The breathable cover body is inwards sunken to form sunken areas which correspond to the through holes one by one, and the through holes are formed in the sunken areas.

The sealing cover is movably connected with the inlet and outlet pipeline through threads.

A second sealing ring is further arranged in the sealing cover.

The air filtering device body comprises an upper shell, a lower shell and an air filtering membrane, wherein the air filtering membrane is fixed between the upper shell and the lower shell in a sealing mode.

The air filtering device is characterized in that a plurality of reinforcing ribs are further arranged in the air filtering device body, and the reinforcing ribs are respectively positioned on two sides of the air filtering membrane.

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

1. the utility model discloses in, including two at least air filter, after the inoculation is accomplished on the roe's egg culture medium to the bacterial, can regularly take off two sealed lids, go into aseptic wet oxygen in one of them air filter's the business turn over pipeline, can control certain humidity, inject oxygen into the bottle through this air filter, simultaneously, waste gas in the bottle can be discharged through another air filter's business turn over pipeline, is of value to the thalli growth like this, and the growth time will shorten about a week's time. And the sealing cover can be reused, and the air filtering device is convenient to replace.

2. Be equipped with first sealing washer in the through-hole for when air filter's business turn over pipeline inserted the through-hole, the sealed effectual between business turn over pipeline and the through-hole can guarantee that the moisture in the culture medium in the bottle does not run off, guarantees that the internal environment is not polluted.

3. The ventilating cover body is inwards sunken to form sunken areas which correspond to the through holes one by one, the through holes are formed in the sunken areas, and the sunken areas can play a good limiting role, so that the air filtering device is more stably installed.

4. The sealing cover is movably connected with the inlet and outlet pipeline through threads, the connecting mode is simple, the inlet and outlet pipeline is provided with the threads, the sealing cover is also convenient to be connected with a device for storing or preparing sterile wet oxygen in a later period, and the effect of introducing oxygen is better.

5. Still be equipped with the second sealing washer in the sealed lid for the business turn over pipeline of both sides can both be good sealed, keep apart with external, the effect of the waterproof reposition of redundant personnel of culture medium loses is better.

6. This internal a plurality of strengthening ribs that still are equipped with of air filter, the strengthening rib is located air filter's both sides respectively, the strengthening rib can play good supporting role to air filter, avoids leading to air filter to warp because the letting in of oxygen or the outflow of waste gas, influences the phenomenon emergence of filter effect.

Drawings

The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic perspective view of the venting cover body of the present invention;

FIG. 3 is a schematic structural view of an air filtration device according to the present invention;

fig. 4 is a schematic structural view of the sealing cover of the present invention;

the labels in the figure are:

1. ventilative lid body, 2, through-hole, 3, air filter, 4, air filter body, 5, business turn over pipeline, 6, sealed lid.

Detailed Description

Example 1

As the utility model discloses basic embodiment, the utility model discloses a ventilative lid, including ventilative lid body 1, be equipped with two through-holes 2 and two air filter 3 on the ventilative lid body 1. The air filter device 3 comprises an air filter device body 4, an inlet and outlet pipeline 5 and a sealing cover 6, wherein the inlet and outlet pipeline 5 is respectively positioned at two ends of the air filter device body 4 and is used for being inserted into the through hole 2, and the sealing cover 6 is movably connected with the inlet and outlet pipeline 5. The inlet and outlet pipe 5 is communicated with the air filtering device body 4.

Example 2

As a preferred embodiment of the present invention, the present invention includes a ventilation cover, which includes a ventilation cover body 1, four through holes 2 and four air filtering devices 3 are disposed on the ventilation cover body 1. The four air filtering devices 3 are respectively and uniformly arranged on the ventilation cover body 1.

The air filter device 3 includes an air filter device body 4, an inlet and outlet duct 5, and a sealing cover 6. The air filter body 4 may be a conventional air filter in which a butterfly air filter element may be disposed. The number of the inlet and outlet pipes 5 in each air filtering device 3 is two, the inlet and outlet pipes are respectively positioned at two ends of the air filtering device body 4, and the inlet and outlet pipes 5 are communicated with the air filtering device body 4. When the air filter device 3 is installed, one of the inlet and outlet pipes 5 is inserted into the through hole 2, and the other inlet and outlet pipe 5 is connected with the sealing cover 6 through a screw thread. In order to prevent the loss of water and achieve better sealing effect, a first sealing ring can be arranged in the through hole 2.

Wherein, for making the installation of air filter 3 more stable, ventilative lid body 1 is inwards sunken to be formed with the depressed area with through-hole 2 one-to-one, through-hole 2 sets up in this depressed area.

Example 3

As another preferred embodiment of the present invention, the present invention includes a ventilation cover, which includes a ventilation cover body 1. The ventilation cover body 1 is provided with three through holes 2 and three air filtering devices 3. The air filter device 3 comprises an air filter device body 4, an inlet and outlet pipeline 5 and a sealing cover 6, wherein the inlet and outlet pipeline 5 is respectively positioned at two ends of the air filter device body 4 and is used for being inserted into the through hole 2, and the sealing cover 6 is movably connected with the inlet and outlet pipeline 5. The inlet and outlet pipe 5 is communicated with the air filtering device body 4.

The sealing cover 6 can be clamped on the outside inlet and outlet pipeline 5, and in order to realize better sealing effect, a second sealing ring is further arranged in the sealing cover 6.

The air filter device body 4 comprises an upper shell, a lower shell and an air filter membrane, wherein the air filter membrane is fixed between the upper shell and the lower shell in a sealing manner.

During the use, can take off three sealed lids 6, through business turn over pipeline 5, let in oxygen in one of them air filter 3, waste gas can be followed two other air filter 3's business turn over pipeline 5 and discharged.

Example 4

As the best mode of the present invention, referring to the attached figure 1 of the specification, the present invention includes a ventilation cover, which includes a ventilation cover body 1. The ventilation cover body 1 is provided with two through holes 2 and two air filtering devices 3. Referring to the attached figure 2 of the specification, the ventilation cover body 1 is inwards recessed to form recessed areas corresponding to the through holes 2 one by one, and the through holes 2 are arranged at the bottom of the recessed areas. Wherein, inward specifically means toward the interior of the bottle body. Furthermore, a first sealing ring is arranged in the through hole 2.

With reference to figure 3 of the accompanying description, the air filter device 3 comprises an air filter device body 4, two access ducts 5 and a sealing cover 6. The two inlet and outlet pipelines 5 are respectively positioned at two ends of the air filtering device body 4, and the inlet and outlet pipelines 5 are communicated with the air filtering device body 4. The air filtering device body 4 comprises an upper shell, a lower shell and an air filtering membrane, wherein the air filtering membrane is fixed between the upper shell and the lower shell in a sealing manner. A plurality of reinforcing ribs are further arranged in the air filtering device body 4, and the reinforcing ribs are respectively located on two sides of the air filtering membrane.

The both ends of business turn over pipeline 5 all are equipped with the external screw thread, be equipped with in sealed lid 6 with this external screw thread assorted internal thread, perhaps all be equipped with the internal thread at the both ends of business turn over pipeline 5, be equipped with in sealed lid 6 with this internal thread assorted external screw thread for sealed lid 6 passes through screw thread and business turn over pipeline 5 swing joint. In order to facilitate the installation and the disassembly of the sealing cover 6, referring to the attached figure 4 of the specification, the sealing cover 6 is also provided with a plurality of anti-skid grooves. The sealing cover 6 may be a glue cover.

During the use, insert corresponding through-hole 2 with one of them business turn over pipeline 5 of air filter 3 in, install air filter 3 on ventilative lid body 1, another business turn over pipeline 5 that just is located the outside is sealed to the reuse, makes air filter 3 about both ends all keep apart with the external world, form sealedly, guarantees that the moisture in the culture medium in the bottle does not run off, guarantees that the internal environment is not contaminated. After the inoculation of the strain on the Roche egg culture medium is completed, the two sealing covers 6 can be taken down periodically, sterile wet oxygen is introduced into the inlet and outlet pipeline 5 of one of the air filtering devices 3, certain humidity can be controlled, oxygen is injected into the bottle through the air filtering device 3, meanwhile, waste gas in the bottle can be discharged through the inlet and outlet pipeline 5 of the other air filtering device 3, the growth of thalli is benefited, and the growth time is shortened by about one week.

In conclusion, after the ordinary skilled in the art reads the document of the present invention, the technical solution and technical idea of the present invention do not need creative mental labor and make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a ventilative lid, includes ventilative lid body (1), its characterized in that: the ventilation cover comprises a ventilation cover body (1), wherein a through hole (2) and at least two air filtering devices (3) are arranged on the ventilation cover body (1), and each air filtering device (3) comprises an air filtering device body (4), an inlet and outlet pipeline (5) which is respectively positioned at two ends of the air filtering device body (4) and is used for being inserted into the through hole (2), and a sealing cover (6) movably connected with the inlet and outlet pipeline (5); the inlet and outlet pipeline (5) is communicated with the air filtering device body (4); the number of the air filtering devices (3) corresponds to the number of the through holes (2).

2. A venting cap as defined in claim 1, wherein: a first sealing ring is arranged in the through hole (2).

3. A venting cap according to claim 2, wherein: the breathable cover body (1) is inwards sunken to form sunken areas corresponding to the through holes (2) one by one, and the through holes (2) are arranged in the sunken areas.

4. A venting cap as defined in claim 1, wherein: the sealing cover (6) is movably connected with the inlet and outlet pipeline (5) through threads.

5. A venting cap according to claim 1, wherein: and a second sealing ring is also arranged in the sealing cover (6).

6. A venting cap as defined in claim 1, wherein: the air filtering device body (4) comprises an upper shell, a lower shell and an air filtering film, wherein the air filtering film is fixed between the upper shell and the lower shell in a sealing mode.

7. The venting cap of claim 6, wherein: a plurality of reinforcing ribs are further arranged in the air filtering device body (4), and the reinforcing ribs are respectively located on two sides of the air filtering membrane.

Images