CN219816294U - Backflow-preventing liquid taking component for laboratory bottle body - Google Patents
Backflow-preventing liquid taking component for laboratory bottle body Download PDFInfo
- Publication number
- CN219816294U CN219816294U CN202320245023.3U CN202320245023U CN219816294U CN 219816294 U CN219816294 U CN 219816294U CN 202320245023 U CN202320245023 U CN 202320245023U CN 219816294 U CN219816294 U CN 219816294U
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- China
- Prior art keywords
- pipe body
- wall
- flexible tongue
- laboratory
- tube
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- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 230000002265 prevention Effects 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims 4
- 210000002105 tongue Anatomy 0.000 description 23
- 238000000034 method Methods 0.000 description 8
- 238000004113 cell culture Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Closures For Containers (AREA)
Abstract
The utility model discloses a backflow-preventing liquid taking component for a laboratory bottle body, which comprises a cover body, a first pipe body and a second pipe body, wherein the first pipe body is inserted into the cover body, the lower end of the second pipe body is detachably connected with the upper end of the first pipe body, the upper end of the second pipe body is externally connected with a negative pressure device, and the cover body can cover the bottle mouth of the laboratory bottle body; the flexible tongue piece is arranged in the second pipe body, one part of the flexible tongue piece is fixed on the inner wall of the second pipe body, the flexible tongue piece is attached to the inner wall of the second pipe body in a natural state, and the part, which is not fixed with the inner wall of the second pipe body, of the flexible tongue piece is separated from the inner wall of the second pipe body in a negative pressure state; the utility model provides a backflow-preventing liquid taking component for a laboratory bottle body, which can avoid liquid pollution in the laboratory bottle.
Description
Technical Field
The utility model relates to the technical field of laboratory bottles, in particular to a backflow-preventing liquid taking component for a laboratory bottle.
Background
The laboratory bottle body comprises a reagent bottle, a preservation tube, a culture bottle and the like, and taking a cell culture bottle as an example, wherein the cell culture bottle is an indispensable medium carrier for in vitro culture of cells and tissues, and the traditional cell culture bottle using method comprises the following steps: the operator opens the cap in a sterile operating table and uses a serum pipette or a special gun head to suck the cell sap for subsequent experimental operation.
The traditional cell culture bottle using method is complex in operation, liquid in a pipette or a gun head flows back, and the pipette or the gun head is repeatedly inserted into and taken out of the cell culture bottle, so that cell pollution is likely to be caused, and an experimental result is likely to be influenced.
Disclosure of Invention
The method overcomes the problems and provides the backflow prevention liquid taking component for the laboratory bottle body, which can avoid liquid pollution in the laboratory bottle.
To achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a backflow prevention liquid taking assembly for a laboratory bottle body, which comprises a cover body, a first pipe body and a second pipe body, wherein the first pipe body is inserted into the cover body, the lower end of the second pipe body is detachably connected with the upper end of the first pipe body, the upper end of the second pipe body is externally connected with a negative pressure device, and the cover body can be covered on the bottle mouth of the laboratory bottle body; the flexible tongue piece is arranged in the second pipe body, one part of the flexible tongue piece is fixed on the inner wall of the second pipe body, in a natural state, the flexible tongue piece is attached to the inner wall of the second pipe body, and in a negative pressure state, the part, which is not fixed on the inner wall of the second pipe body, of the flexible tongue piece is separated from the inner wall of the second pipe body.
In the utility model, the first pipe body is inserted into the liquid in the experimental bottle body, and the second pipe body is arranged outside the bottle body, so that the liquid in the experimental bottle body can be prevented from being polluted. In addition, the flexible tongue piece design in the second pipe body can effectively avoid the liquid backward flow in the second pipe body.
Preferably, the upper end of the first pipe body and the lower end of the second pipe body are both bell mouths, and the bell mouths of the first pipe body can be buckled in the bell mouths of the second pipe body, so that the joint of the first pipe body and the second pipe body is sealed.
Preferably, the horn mouth is made of silica gel.
Preferably, the number of the flexible tongue pieces is 2, and the connection points of the 2 flexible tongue pieces and the inner wall of the second pipe body are respectively arranged on the left side and the right side of the inner wall of the second pipe body.
Preferably, the flexible tongue piece is made of silica gel.
Preferably, scale marks are arranged on the outer wall of the second pipe body.
Preferably, the negative pressure device comprises an electric or manual negative pressure gun.
In the utility model, an electric or manual negative pressure gun for providing negative pressure can be connected with the second pipe body in a sealing way, and the electric or manual negative pressure gun provides negative pressure to suck the liquid in the experimental bottle into the second pipe body. The connection and principle of the second tube body and the electric or manual negative pressure gun are similar to the structure and principle of the special gun head and the pipetting gun in the prior art.
Compared with the prior art, the utility model has the beneficial effects and remarkable progress that: the backflow prevention liquid taking component for the laboratory bottle body can avoid backflow of liquid in a pipe and prevent pollution caused by uncovering and the like when in use, and can be used with an electric or manual negative pressure gun.
Drawings
In order to more clearly illustrate the technical solution of the present utility model, a brief description will be given below of the drawings that are required to be used for the embodiments of the present utility model.
It is obvious that the drawings in the following description are only drawings of some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art, but these other drawings also fall within the drawings required for the embodiments of the present utility model.
FIG. 1 is a schematic structural view of a backflow prevention liquid-taking assembly for laboratory bottles according to the embodiment 1 of the present utility model;
FIG. 2 is a schematic view showing a partial structure of a backflow prevention liquid taking assembly for laboratory bottles according to embodiment 1 of the present utility model;
FIG. 3 is a schematic view showing a partial structure of a backflow prevention liquid taking assembly for laboratory bottles according to embodiment 2 of the present utility model;
in the figure, 1, first body, 2, second body, 3, lid, 4, experimental bottle, 5, manual negative pressure rifle, 2.1, flexible tongue piece, 2.2, horn mouth.
Detailed Description
In order to make the objects, technical solutions, beneficial effects and significant improvements of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings provided in the embodiments of the present utility model.
It is apparent that all of the described embodiments are only some, but not all, embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the terms "first," "second," and "third" (if any) in the description and claims of the present utility model and the drawings of the embodiments of the present utility model are used merely for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise," "include," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
It is to be understood that:
in the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected or movably connected, or integrally formed; either directly, indirectly, through intermediaries, or through an intangible signal connection, or even optically, in communication with one another, or in interaction with one another, unless expressly defined otherwise.
The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should also be noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
The following describes the technical scheme of the present utility model in detail by using specific examples.
Example 1
As shown in fig. 1, a backflow preventing liquid taking assembly for laboratory bottles is shown, which comprises a cover body 3, a first pipe body 1 and a second pipe body 2, wherein the first pipe body 1 is inserted into the cover body 3, the lower end of the second pipe body 2 is detachably connected with the upper end of the first pipe body 1, the upper end of the second pipe body 2 is externally connected with a negative pressure device, and the cover body 3 can be covered on a bottle mouth of the laboratory bottle body 4.
As shown in fig. 2, a flexible tongue piece 2.1 is disposed in the second pipe body 2, a part of the flexible tongue piece 2.1 is fixed on the inner wall of the second pipe body 2, the flexible tongue piece 2.1 is attached to the inner wall of the second pipe body 2 in a natural state, and a part of the flexible tongue piece 2.1 not fixed to the inner wall of the second pipe body 2 is separated from the inner wall of the second pipe body 2 in a negative pressure state.
In this embodiment, the upper end of the first pipe body 1 and the lower end of the second pipe body 2 are both bell mouths, and the bell mouths of the first pipe body 1 can be buckled in the bell mouths 2.2 of the second pipe body 2, so that the joint of the first pipe body 1 and the second pipe body 2 is sealed.
In this embodiment, the flare is made of silica gel.
In this embodiment, the number of flexible tongues is 2, and the connection points of the 2 flexible tongues and the inner wall of the second pipe body are respectively disposed on the left side and the right side of the inner wall of the second pipe body.
In this embodiment, the flexible tongue piece is made of silica gel.
In this embodiment, the outer wall of the second tube body is provided with scale marks.
In this embodiment, the negative pressure device comprises an electric or manual negative pressure gun.
Example 2
In a specific embodiment, the backflow prevention liquid taking assembly for the laboratory bottle body comprises a cover body, a first pipe body and a second pipe body, wherein the first pipe body is inserted into the cover body, the lower end of the second pipe body is detachably connected with the upper end of the first pipe body, the upper end of the second pipe body is externally connected with a negative pressure device, and the cover body can cover the bottle mouth of the laboratory bottle body; the second pipe body is internally provided with a flexible tongue piece, a part of the flexible tongue piece is fixed on the inner wall of the second pipe body, the flexible tongue piece is attached to the inner wall of the second pipe body in a natural state, and the part, which is not fixed with the inner wall of the second pipe body, of the flexible tongue piece is separated from the inner wall of the second pipe body in a negative pressure state. The upper end of the first pipe body and the lower end of the second pipe body are both bell mouths, and the bell mouths of the first pipe body can be buckled in the bell mouths of the second pipe body, so that the joint of the first pipe body and the second pipe body is sealed. The horn mouth is made of silica gel. The number of the flexible tongue pieces is 2, and the connection points of the 2 flexible tongue pieces and the inner wall of the second pipe body are respectively arranged on the left side and the right side of the inner wall of the second pipe body. The flexible tongue piece is made of silica gel. The outer wall of the second pipe body is provided with scale marks.
As shown in fig. 3, the negative pressure device is a manual negative pressure gun 5, and the second pipe body 2 is provided at the end of the manual negative pressure gun 5.
In the description of the above specification:
the terms "this embodiment," "an embodiment of the utility model," "as shown in … …," "further improved embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in the embodiment or example is included in at least one embodiment or example of the utility model; in this specification, a schematic representation of the above terms is not necessarily directed to the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc. may be combined or combined in any suitable manner in any one or more embodiments or examples; furthermore, various embodiments or examples, as well as features of various embodiments or examples, described in this specification may be combined or combined by one of ordinary skill in the art without undue experimentation.
Finally, it should be noted that:
the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting thereof;
although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some or all of the technical features thereof, without departing from the spirit of the technical solutions of the embodiments of the present utility model, and that insubstantial improvements and modifications or substitutions by one skilled in the art from the disclosure herein are within the scope of the utility model as claimed.
Claims (7)
1. The backflow prevention liquid taking assembly for the laboratory bottle body is characterized by comprising a cover body, a first pipe body and a second pipe body, wherein the first pipe body is inserted into the cover body, the lower end of the second pipe body is detachably connected with the upper end of the first pipe body, the upper end of the second pipe body is externally connected with a negative pressure device, and the cover body can be covered on a bottle opening of the laboratory bottle body;
the flexible tongue piece is arranged in the second pipe body, one part of the flexible tongue piece is fixed on the inner wall of the second pipe body, in a natural state, the flexible tongue piece is attached to the inner wall of the second pipe body, and in a negative pressure state, the part, which is not fixed on the inner wall of the second pipe body, of the flexible tongue piece is separated from the inner wall of the second pipe body.
2. The backflow prevention liquid extraction assembly for a laboratory bottle of claim 1, wherein the upper end of the first tube and the lower end of the second tube are flared, and the flared of the first tube is crimped in the flared of the second tube so that the junction of the first tube and the second tube is sealed.
3. The backflow prevention liquid taking assembly for a laboratory bottle according to claim 2, wherein the bell mouth is made of silica gel.
4. The backflow prevention liquid taking assembly for the laboratory bottle body according to claim 1, wherein the number of the flexible tongue pieces is 2, and the connection points of the 2 flexible tongue pieces and the inner wall of the second tube body are respectively arranged on the left side and the right side of the inner wall of the second tube body.
5. The backflow prevention liquid extraction assembly for laboratory bottles as claimed in claim 1 wherein said flexible tongue is made of silica gel.
6. The backflow prevention liquid extraction assembly for laboratory bottles as claimed in claim 1 wherein said second tube has graduation marks on its outer wall.
7. A backflow prevention liquid extraction assembly for laboratory bottles as claimed in claim 1 wherein said negative pressure means comprises an electric or manual negative pressure gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320245023.3U CN219816294U (en) | 2023-02-17 | 2023-02-17 | Backflow-preventing liquid taking component for laboratory bottle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320245023.3U CN219816294U (en) | 2023-02-17 | 2023-02-17 | Backflow-preventing liquid taking component for laboratory bottle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219816294U true CN219816294U (en) | 2023-10-13 |
Family
ID=88245843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320245023.3U Active CN219816294U (en) | 2023-02-17 | 2023-02-17 | Backflow-preventing liquid taking component for laboratory bottle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219816294U (en) |
-
2023
- 2023-02-17 CN CN202320245023.3U patent/CN219816294U/en active Active
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