Cell culture centrifuge tube

Abstract

The utility model discloses a cell culture centrifuge tube, and relates to the technical field of centrifuge tubes. The top end of the shell pipe is open, a groove is formed in the surface of the top end of the shell pipe, a threaded groove is formed in the inner wall of the top end of the shell pipe, the inner pipe is arranged in the shell pipe, a sealing ring is fixedly connected to the top end of the inner pipe, and a threaded sleeve is fixedly connected to the circumferential side face of the top end of the inner pipe. By arranging the outer shell pipe, the groove, the threaded groove, the inner pipe, the sealing ring and the threaded sleeve, the inner pipe and the outer shell pipe can be spirally connected and fixed, the inner pipe is effectively prevented from shaking, the outer shell pipe is made of a metal material, the inner pipe is protected during use, meanwhile, the situation that a culture solution is spilled due to leakage of the inner pipe is avoided, and practicability is improved; by arranging the sealing cover, the sealing outer sleeve on the sealing cover is connected with the buckling groove in the inner pipe, the sealing inner sleeve is attached to the inner wall of the inner pipe, double-layer sealing is achieved, and the sealing performance of connection between the sealing cover and the inner pipe is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of centrifuge tubes, in particular to a cell culture centrifuge tube. Background Art

[0002] In biological science, especially in the field of biochemistry and molecular biology research, it has been widely used. Every biochemistry and molecular biology laboratory has to prepare various forms of centrifuges. Centrifugal technology is mainly used for the separation and preparation of various biological samples. The biological sample suspension is placed in a centrifuge tube and rotated at high speed. Due to the huge centrifugal force, the suspended tiny particles (such as organelles, biomacromolecule precipitation, etc.) settle at a certain speed, thus being separated from the solution.

[0003] The existing centrifuge tubes for cell culture are not well sealed and have no seepage protection components, so that when the centrifuge tubes are used, if the centrifuge tubes leak, the culture solution will spill out, causing pollution to the experimental environment. Utility Model Content

[0004] The utility model aims to provide a cell culture centrifuge tube, which solves the problem that the existing centrifuge tubes for cell culture have poor sealing performance and no seepage protection components, so that when the centrifuge tubes are used, if the centrifuge tubes leak, the culture solution will spill out, causing pollution to the experimental environment.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a cell culture centrifuge tube, comprising an outer shell tube, an inner tube and a sealing cover, wherein the top end of the outer shell tube is open, the surface of the top end of the outer shell tube is provided with a groove, the inner wall of the top end of the outer shell tube is provided with a threaded groove, the inner tube is arranged in the outer shell tube, the top end of the inner tube is fixedly connected with a sealing ring, the peripheral side surface of the top end of the inner tube is fixedly connected with a threaded sleeve, the sealing ring is arranged in the groove and rotatably cooperates with the groove, the threaded sleeve is threadedly cooperated with the threaded groove, the upper surface of the sealing ring is provided with a buckle groove, the sealing cover is arranged at the top end of the inner tube, the bottom surface of the sealing cover is fixedly connected with a sealing jacket, one end of the sealing jacket is arranged in the buckle groove and is buckled with the buckle groove to form a sealing structure.

[0007] The bottom surface of the sealing cover is fixedly connected with a sealing inner sleeve, the sealing inner sleeve is arranged on the inner side of the sealing outer sleeve, and the sealing inner sleeve is in contact with the inner wall of the inner tube.

[0008] A fluid replenishing hole is provided on the upper surface of the sealing cover, one end of which is connected to the inner tube, and a sealing cap is elastically connected to one side of the upper surface of the sealing cover, which is snap-fitted with the fluid replenishing hole to form a sealing structure.

[0009] The sealing cap plug, the sealing outer sleeve and the sealing inner sleeve are all made of rubber.

[0010] The outer shell tube is made of metal. By setting the outer shell tube to be made of metal, not only can the inner tube be protected during use, but also leakage of the inner tube causing spillage of the culture solution can be avoided, thereby improving practicality.

[0011] The inner tube is made of a transparent tube material, and scale lines are arranged on the outer surface of the inner tube. By setting the scale lines, when adding culture fluid to the inner tube, it is convenient for the staff to observe and effectively grasp the amount of application.

[0012] The utility model has the following beneficial effects:

[0013] The utility model can realize the spiral connection and fixation of the inner tube and the outer tube by arranging the outer tube, the groove, the threaded groove, the inner tube, the sealing ring and the threaded sleeve, and effectively prevent the inner tube from shaking. The outer tube is made of metal, which not only protects the inner tube when in use, but also prevents the inner tube from leaking and causing the culture solution to spill out, thereby improving practicality. By arranging the sealing cover, the sealing outer sleeve on it is connected with the buckle groove on the inner tube, and the sealing inner sleeve is in contact with the inner wall of the inner tube, and the double-layer seal is effectively improved, which effectively improves the sealing performance of the connection between the sealing cover and the inner tube. At the same time, the sealing cap is taken out, and the inner tube can be sampled through the liquid replenishing hole, so that the sample and culture solution can be added when the sealing cover is sealed, and the convenience of adding samples to the centrifuge tube is improved.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the three-dimensional assembly structure of the utility model;

[0017] Figure 2 for Figure 1 A magnified image of area A;

[0018] Figure 3 It is a front view of the structure of the utility model;

[0019] Figure 4 for Figure 3 Schematic diagram of the structure of the middle BB section;

[0020] Figure 5 for Figure 4 Magnified view of area C.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Outer shell tube; 101. Groove; 102. Threaded groove; 2. Inner tube; 201. Sealing ring; 202. Threaded sleeve; 203. Scale line; 204. Buckle groove; 3. Sealing cover; 301. Liquid filling hole; 302. Sealing cap plug; 303. Sealing outer sleeve; 304. Sealing inner sleeve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-Figure 5As shown, the utility model is a cell culture centrifuge tube, comprising an outer shell tube 1, an inner tube 2 and a sealing cover 3. The top of the outer shell tube 1 is open, and the surface of the top of the outer shell tube 1 is provided with a groove 101, and the inner wall of the top of the outer shell tube 1 is provided with a threaded groove 102. The inner tube 2 is arranged in the outer shell tube 1, and the top of the inner tube 2 is fixedly connected with a sealing ring 201, and the peripheral side surface of the top of the inner tube 2 is fixedly connected with a threaded sleeve 202. The sealing ring 201 is arranged in the groove 101 and rotatably cooperates with the groove 101. The threaded sleeve 202 is threadedly matched with the threaded groove 102. A buckle groove 204 is provided on the upper surface of the sealing ring 201. The sealing cover 3 is arranged at the top of the inner tube 2, and a sealing sleeve 303 is fixedly connected to the bottom surface of the sealing cover 3. One end of the sealing sleeve 303 is arranged in the buckle groove 204 and is buckled with it to form a sealing structure.

[0027] The bottom surface of the sealing cover 3 is fixedly connected with a sealing inner sleeve 304 . The sealing inner sleeve 304 is arranged on the inner side of the sealing outer sleeve 303 . The sealing inner sleeve 304 is in contact with the inner wall of the inner tube 2 .

[0028] A liquid replenishing hole 301 is provided on the upper surface of the sealing cover 3, one end of the liquid replenishing hole 301 is connected to the inner tube 2, and a sealing cap plug 302 is elastically connected to one side of the upper surface of the sealing cover 3, and the sealing cap plug 302 is snap-fitted with the liquid replenishing hole 301 to form a sealing structure.

[0029] The sealing cap plug 302, the sealing outer sleeve 303 and the sealing inner sleeve 304 are all made of rubber.

[0030] The outer shell tube 1 is made of metal. By setting the outer shell tube 1 to be made of metal, it not only protects the inner tube 2 during use, but also prevents the inner tube 2 from leaking and causing the culture solution to spill, thereby improving practicality.

[0031] The inner tube 2 is made of a transparent tube material, and scale lines 203 are arranged on the outer surface of the inner tube 2. The scale lines 203 facilitate observation by the staff when adding the culture medium to the inner tube 2, so as to effectively grasp the amount to be added.

[0032] It should be supplemented that, in actual use, the inner tube 2 is inserted into the outer shell tube 1, and the sealing ring 201 is inserted into the groove 101, and the inner tube 2 is rotated so that the threaded sleeve 202 on it and the threaded groove 102 in the outer shell tube 1 are threadedly matched and fixed, which effectively prevents the inner tube 2 from shaking. The outer shell tube 1 is made of metal, which not only protects the inner tube 2 during use, but also prevents the inner tube 2 from leaking and causing the culture solution to spill out; then the sealing cover 3 is installed on the inner tube 2, so that the sealing outer sleeve 303 on the sealing cover 3 is connected with the buckle groove 204 on the inner tube 2, and the sealing inner sleeve 304 is attached to the inner wall of the inner tube 2, and the double-layer seal effectively improves the sealing of the connection between the sealing cover 3 and the inner tube 2; when it is necessary to add samples to the inner tube 2, the sealing cap 302 is taken out, and the inner tube 2 can be added through the liquid infusion hole 301, so that the addition of samples and culture solution is completed when the sealing cover 3 is sealed, and the convenience of adding samples to the inner tube 2 is improved.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cell culture centrifuge tube, comprising an outer shell tube (1), an inner tube (2) and a sealing cover (3), characterized in that: The top end of the outer shell tube (1) is open, a groove (101) is provided on the surface of the top end of the outer shell tube (1), a thread groove (102) is provided on the inner wall of the top end of the outer shell tube (1), the inner tube (2) is arranged in the outer shell tube (1), a sealing ring (201) is fixedly connected to the top end of the inner tube (2), a threaded sleeve (202) is fixedly connected to the circumferential side surface of the top end of the inner tube (2), the sealing ring (201) is arranged in the groove (101) and is rotatably engaged with the groove, the threaded sleeve (202) is threadedly engaged with the thread groove (102), a buckle groove (204) is provided on the upper surface of the sealing ring (201), the sealing cover (3) is arranged at the top end of the inner tube (2), a sealing sleeve (303) is fixedly connected to the bottom surface of the sealing cover (3), one end of the sealing sleeve (303) is arranged in the buckle groove (204) and is buckled with the buckle groove, thereby forming a sealing structure.

2. A cell culture centrifuge tube according to claim 1, characterized in that: The bottom surface of the sealing cover (3) is fixedly connected to a sealing inner sleeve (304), the sealing inner sleeve (304) is arranged on the inner side of the sealing outer sleeve (303), and the sealing inner sleeve (304) is in contact with the inner wall of the inner tube (2).

3. A cell culture centrifuge tube according to claim 2, characterized in that: A liquid replenishing hole (301) is provided on the upper surface of the sealing cover (3), one end of the liquid replenishing hole (301) is connected to the inner tube (2), and a sealing cap plug (302) is elastically connected to one side of the upper surface of the sealing cover (3), and the sealing cap plug (302) is snap-fitted with the liquid replenishing hole (301) to form a sealing structure.

4. A cell culture centrifuge tube according to claim 3, characterized in that: The sealing cap plug (302), the sealing outer sleeve (303) and the sealing inner sleeve (304) are all made of rubber.

5. A cell culture centrifuge tube according to claim 4, characterized in that: The outer shell tube (1) is made of metal.

6. A cell culture centrifuge tube according to claim 5, characterized in that: The inner tube (2) is made of a transparent tube material, and the outer surface of the inner tube (2) is provided with scale lines (203).

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