CN213078499U - Triangular flask - Google Patents

Abstract

The utility model discloses a triangular flask aims at solving the problem that the triangular flask does not possess the sterilization function, and its technical scheme main points are: including the body that has the bottle chamber, the body adopts polyvinyl chloride to make for the triangular flask is more firmly durable, and improved the corrosion resistance of triangular flask, the upper end of body is equipped with the bottleneck, the inside of bottleneck is provided with filter layer and joint ring, the filter layer is provided with two-layer millipore filtration membrane, be formed with the filter chamber between filter layer and the joint ring, the peripheral wall upper end fixedly connected with of joint ring is used for the ring limit of location joint ring, can dismantle on the bottleneck and be connected with the bottle lid, the inside of bottle lid is provided with the sealing member. The utility model discloses an useful: the filtering layer is arranged at the bottleneck of the triangular flask, so that the solution poured into the triangular flask can be conveniently filtered and sterilized, and the device is particularly suitable for vitamin solutions which cannot be sterilized at high temperature.

Description

Triangular flask

Technical Field

The invention relates to an experimental device, in particular to a triangular flask.

Background

The triangular bottles comprise wide-mouth triangular bottles, straight-mouth triangular bottles, triangular bottles with stoppers and the like, are mainly used for titration, reaction, heating, filtration and fixed-point analysis, and are usually required to contain culture media in microbial experiments.

The Chinese patent with publication number CN209128437U discloses a triangular flask, which has the technical key points that: the outer triangular bottle body comprises an inner triangular bottle body and a top opening, wherein the top opening of the outer triangular bottle body is connected with the top opening of the inner triangular bottle body, the outer triangular bottle body is provided with a closed cavity and is arranged between the inner side surface of the outer triangular bottle body and the outer peripheral surface of the inner triangular bottle body, and a vacuum heat insulation layer for delaying heat dissipation is used for facilitating heat dissipation of a culture medium contained in the inner triangular bottle body to play a certain heat preservation function and play a certain heat insulation function.

The vitamin solution is sterilized before being placed in the triangular flask, and the vitamin solution cannot be sterilized at high temperature, so that only a filtration sterilization mode can be used, but the triangular flask does not have a sterilization function, bacteria in the vitamin solution cannot be removed when the vitamin solution is poured into the triangular flask, and the storage time of the vitamin solution is shortened.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a triangular flask, can conveniently disinfect to the solution of pouring into the triangular flask to the not enough that prior art exists, be particularly useful for the vitamin solution that can't adopt high temperature sterilization.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a triangular flask, is including the body that has the bottle chamber, the upper end fixedly connected with bottleneck of body, the inside of bottleneck is provided with joint ring and fixed connection in the filter layer of joint ring lower extreme, the filter layer includes two-layer millipore filtration membrane, the inner wall of bottleneck is located filter layer below fixedly connected with and is used for preventing the support bar that the filter layer drops, the filter layer with be formed with the filter chamber between the joint ring, the marginal fixedly connected with in upper end of joint ring is used for the ring limit of joint on the bottleneck, can dismantle on the bottleneck and be connected with the bottle lid, the interior top surface fixedly connected with of bottle lid is used for the card to go into the sealing member of bottleneck.

Through adopting above-mentioned technical scheme, open the bottle lid on the triangular flask bottleneck, vitamin solution that will hold the bottle intracavity is poured into from the bottleneck, because the inside of bottleneck is provided with filter layer and joint ring, the filter layer is connected with the joint ring and is formed the filter chamber, solution gets into behind the filter chamber, because the diameter of bacterium is between 0.5 micron to 5 microns, millipore filtration's aperture is 0.2 micron generally, be less than the diameter of bacterium, two-layer millipore filtration through the filter layer, thereby carry out filtration sterilization to the solution that gets into the bottle intracavity, filter out the bacterium in the solution, the filter effect of triangular flask has been improved, the cleanliness factor of vitamin solution has been increased, and the setting of sealing member can improve the leakproofness of triangular flask, improve the save time of vitamin solution, the setting of support bar can prevent droing of filter layer.

The utility model discloses further set up to: the outer diameter of the clamping ring is the same as the inner diameter of the bottle mouth, the anti-slip ribs made of rubber are fixedly connected to the outer peripheral wall of the clamping ring, and grooves used for clamping the anti-slip ribs are formed in the inner peripheral wall of the bottle mouth.

Through adopting above-mentioned technical scheme, because the external diameter of joint ring is the same with the internal diameter of bottleneck for the periphery wall of joint ring contacts with the internal perisporium of bottleneck, and set up anti-skidding arris on the periphery wall of joint ring, set up the recess on the internal perisporium of bottleneck, can increase the steadiness of joint ring and filter layer in the bottleneck in the recess with the anti-skidding arris card that rubber made, and do not influence sealing performance.

The utility model discloses further set up to: the sealing element is in a circular truncated cone shape.

By adopting the technical scheme, the sealing element is in a circular truncated cone shape, when the bottle cap covers the bottle mouth, the small end of the sealing element is clamped into the filter cavity, the large end edge of the sealing element is contacted with the annular opening of the clamping ring, so that the filter cavity is sealed, the volatilization of the vitamin solution in the bottle is effectively prevented, and the clamping ring and the filter layer cannot be taken out of the bottle mouth when the sealing element is moved out when the bottle cap is opened.

The utility model discloses further set up to: the outer peripheral wall of the bottle body is provided with an annular finger mark groove for accommodating fingers.

Through adopting above-mentioned technical scheme, the person of facilitating the use takes to the triangular flask.

The utility model discloses further set up to: the bottle cap is characterized in that an external thread structure is arranged on the outer peripheral wall of the bottle mouth, and an internal thread structure matched with the external thread structure is arranged on the inner peripheral wall of the bottle cap.

Through adopting above-mentioned technical scheme, adopt threaded connection's mode, greatly increased the stability and the leakproofness that bottle lid and bottleneck are connected.

The utility model discloses further set up to: the periphery wall of the bottle cap is provided with a plurality of uniformly distributed convex ribs.

Through adopting above-mentioned technical scheme, the setting up of bead increases the frictional force between hand and the bottle lid, conveniently opens and screws up the bottle lid.

The utility model discloses further set up to: the body is the toper, be provided with the scale on the periphery wall of body.

Through adopting above-mentioned technical scheme, conical body has improved the stability when the triangular flask was placed, and the scale convenience on the body is controlled the volume that holds solution moreover.

The utility model discloses further set up to: the bottle body is made of polyvinyl chloride.

Through adopting above-mentioned technical scheme, the body adopts polyvinyl chloride to make, makes it more firmly durable to the corrosion resistance of body has been improved.

To sum up, the utility model discloses following beneficial effect has: the filtering layer is arranged at the bottleneck of the triangular flask, so that the solution poured into the triangular flask can be conveniently sterilized, and the filter is particularly suitable for vitamin solutions which cannot be sterilized at high temperature.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a bottle cap; 2. a rib; 3. encircling; 4. a filter chamber; 5. a bottle mouth; 6. a snap ring; 7. a filter layer; 8. a bottle body; 9. an annular finger mark groove; 10. calibration; 11. a seal member; 12. a groove; 13. a bottle cavity; 14. a supporting strip; 15. and (4) anti-slip edges.

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 to 3, a triangular flask comprises a flask body 8 with a flask cavity 13, a flask mouth 5 is fixedly connected to the upper end of the flask body 8, a flask cap 1 is detachably connected to the flask mouth 5, a sealing element 11 is arranged inside the flask cap 1, a filter layer 7 and a clamping ring 6 are arranged inside the flask mouth 5, the clamping ring 6 is positioned above the filter layer 7, a filter cavity 4 is formed after the filter layer 7 and the clamping ring 6 are fixedly connected, the filter layer 7 is provided with two layers of microporous filter membranes, the pore diameter of the microporous filter membranes is 0.2 micron, the flask cap 1 is unscrewed first to separate the sealing element 11 from the flask mouth 5, then a vitamin solution to be contained in the flask cavity 13 is poured in through the flask mouth 5, the vitamin solution is filtered and sterilized through the two layers of microporous filter membranes in sequence during pouring, because the diameter of bacteria is between 0.5 micron and 5 micron, which is larger than the diameter of the filter, thereby can filter out the bacterium in the vitamin solution, accomplish the filtration sterilization to the solution, increase the cleanliness factor of vitamin solution, hold solution at last after, twist back bottle lid 1 again to bottleneck 5 departments, seal the triangular flask.

A supporting strip 14 for preventing the filter layer 7 from falling off is fixedly connected to the inner wall of the bottle mouth 5 below the filter layer 7, so that the filter layer 7 is effectively prevented from falling off, and the filter layer 7 is prevented from entering the bottle cavity 13.

Inside 5 of bottleneck to the triangle-shaped bottle are gone into with joint ring 6 card, make the periphery wall of joint ring 6 and the internal perisporium contact of bottleneck 5, thereby fix the inside at bottleneck 5 with filter layer 7 of joint ring 6 lower extreme, stability is increased, and at the in-process of card income bottleneck 5, the lower surface of ring 3 and the upper surface contact of bottleneck 5, can prescribe a limit to the position of joint ring 6, set up rubber material's anti-skidding arris 15 on the periphery wall of joint ring 6, set up recess 12 on the internal perisporium of bottleneck 5, the stability of joint ring 6 and filter layer 7 in bottleneck 5 has further been increased in going into recess 12 with anti-skidding arris 15 card, and the leakproofness when the anti-skidding arris 15 of rubber material have increased the connection.

The sealing element 11 is in a round table shape and made of rubber, the large end of the sealing element 11 is glued in the bottle cap 1, when the bottle cap 1 is covered on the bottle mouth 5, the small end of the sealing element 11 in the bottle cap 1 is clamped into the filter cavity 4, the edge of the large end of the sealing element 11 is in contact with the annular opening of the clamping ring 6, so that the filter cavity 4 is sealed, the sealing effect of the bottle mouth 5 is effectively improved, the volatilization of the solution in the bottle cavity 13 is prevented, the clamping ring 6 and the filter layer 7 cannot be brought out of the bottle mouth 5 when the sealing element 11 is moved out, the peripheral wall of the bottle cap 1 is uniformly provided with a plurality of convex edges 2, the friction force between a palm and the bottle cap 1 is increased, the conical bottle body 8 improves the stability of a triangular bottle when placed, the scale 10 on the bottle body 8 is convenient for controlling the amount of the contained solution, the peripheral wall of the bottle body 8 is provided with an annular finger mark groove 9, and the finger, the person of facilitating the use takes to the triangular flask, and polyvinyl chloride has the characteristics that the material is light, dampproofing and waterproofing to corrosion resistance is high, adopts the body 8 that polyvinyl chloride made, makes it more firmly durable, and has improved the corrosion resistance of body 8.

The working principle is as follows: firstly, unscrewing a bottle cap 1, separating a sealing element 11 glued with an inner end surface of the bottle cap 1 from a bottle opening 5, pouring a solution to be contained in a bottle cavity 13 through the bottle opening 5, clamping a clamping ring 6 in the bottle opening 5, fixedly connecting a filter layer 7 at the lower end of the clamping ring 6, forming a filter cavity 4 between the clamping ring 6 and the filter layer 7, pouring the solution to be contained into the filter cavity 4, enabling the solution to flow through the filter layer 7, arranging two layers of microporous filter membranes on the filter layer 7, filtering and sterilizing the vitamin solution through the two layers of microporous filter membranes in sequence, wherein the diameter of bacteria is between 0.5 microns and 5 microns, the aperture of the microporous filter membrane is generally smaller than that of the bacteria by 0.2 micron, filtering out the bacteria in the vitamin solution, improving the purity of the solution, reconnecting the bottle cap 1 with the bottle opening 5 after the solution is sterilized, and enabling a small end of the sealing element 11 in the bottle cap 1 to enter the filter cavity 4, the edge of the large end of the sealing element 11 is contacted with the ring opening of the clamping ring 6, so that the bottle opening 5 of the triangular bottle is sealed, and the sealing effect of the triangular bottle is effectively improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a triangular flask, includes body (8) that has bottle chamber (13), the upper end fixedly connected with bottleneck (5) of body (8), its characterized in that: the inside of bottleneck (5) is provided with joint ring (6) and filter layer (7) of fixed connection in joint ring (6) lower extreme, filter layer (7) include two-layer millipore filtration, the inner wall of bottleneck (5) is located filter layer (7) below fixedly connected with and is used for preventing support bar (14) that filter layer (7) drop, filter layer (7) with be formed with filter chamber (4) between joint ring (6), the marginal fixedly connected with in upper end of joint ring (6) is used for ring limit (3) of joint on bottleneck (5), can dismantle on bottleneck (5) and be connected with bottle lid (1), the interior top surface fixedly connected with of bottle lid (1) is used for going into sealing member (11) of bottleneck (5).

2. The triangular flask according to claim 1, wherein: the external diameter of joint ring (6) with the internal diameter of bottleneck (5) is the same, fixedly connected with rubber material's anti-skidding arris (15) on the periphery wall of joint ring (6), offer recess (12) that are used for anti-skidding arris (15) card to go into on the internal perisporium of bottleneck (5).

3. The triangular flask according to claim 1, wherein: the sealing element (11) is in a circular truncated cone shape.

4. The triangular flask according to claim 1, wherein: the outer peripheral wall of the bottle body (8) is provided with an annular finger mark groove (9) for accommodating fingers.

5. The triangular flask according to claim 1, wherein: the bottle cap is characterized in that an external thread structure is arranged on the outer peripheral wall of the bottle mouth (5), and an internal thread structure matched with the external thread structure is arranged on the inner peripheral wall of the bottle cap (1).

6. The triangular flask according to claim 1, wherein: the outer peripheral wall of the bottle cap (1) is provided with a plurality of uniformly distributed convex ribs (2).

7. The triangular flask according to claim 1, wherein: the bottle body (8) is conical, and scales (10) are arranged on the peripheral wall of the bottle body (8).

8. The triangular flask according to claim 1, wherein: the bottle body (8) is made of polyvinyl chloride.

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