Anti-pollution test tube easy to freeze-dry
By employing a secure connection between the cap and the tube body fasteners within the test tube, and utilizing a combination of high-quality medical-grade plastic and silicone materials, the problem of contamination caused by cap breakage is solved. This achieves contamination prevention and sealing stability of the test tube, ensuring sample purity and the accuracy of experimental results.
Patent Information
- Application Number
- CN202423106532.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In existing technologies, the caps of test tubes designed for easy lyophilization and prevention of contamination can burst during use, leading to sealing problems, especially during experiments. This can cause external contaminants to enter, affecting sample purity and the accuracy of experimental results.
The tube body fasteners and caps are used to create a secure connection. The design combines high-quality medical plastics and silicone to enhance sealing and stability. The sliding connection of the cap sealing ridge, support, connecting tube, and locking assembly ensures that the cap will not break open during special operations.
It effectively prevents the tube cap from breaking open during special operations, ensuring that the sample is not contaminated, improving the flexibility of using the tube array and the reliability of the experiment, and guaranteeing the purity of the sample and the accuracy of the experimental results.
Smart Images

Figure CN223615933U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of test tube technology, and in particular to a test tube that is resistant to contamination and easy to freeze-dry. Background Technology
[0002] The application scenarios of the anti-contamination and easy-to-freeze test tubes cover multiple fields such as medicine, biopharmaceuticals, food testing, environmental monitoring, and scientific research experiments. They have the advantages of ensuring sample purity, extending shelf life, efficiently preserving components, facilitating transportation and storage, and improving the flexibility of experimental operations, thus helping to carry out related work efficiently and accurately.
[0003] Contamination-resistant and freeze-drying test tubes typically consist of a tube body, a cap, and connecting fasteners. These tubes achieve contamination prevention through a sealed structure and the chemical stability of the materials. They also achieve freeze-drying by optimizing heat conduction, freeze-drying channel design, and compatibility with freeze-drying equipment. All these principles work together to meet the requirements for sample collection and preservation.
[0004] Existing freeze-drying test tubes designed to prevent contamination cannot avoid the problem of caps breaking open during use. Once the cap breaks, external contaminants such as air, dust, and microorganisms can easily enter the test tube, contaminating the sample that was originally in a relatively clean environment. For example, in medical testing of blood samples used to detect infectious diseases, if external pathogens are mixed in, the accuracy of the test results will be greatly reduced, resulting in false positives or false negatives. This, in turn, affects the doctor's correct diagnosis and subsequent treatment plan. Therefore, a freeze-drying test tube designed to prevent contamination is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a test tube that is resistant to contamination and easy to freeze-dry, aiming to improve the problem of the tube cap breaking open during use, which is unavoidable in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A test tube that is resistant to contamination and easy to freeze-dry includes a cap, a Bug buckle fixedly connected to one side of the cap, a tube cap sealing ridge fixedly connected to the bottom of the cap, a support member fixedly connected to the bottom of the tube cap sealing ridge, a window opened inside the support member, a row of tubes slidably connected to the outside of the support member, and a locking assembly for locking parts fixedly connected to the outside of the row of tubes.
[0008] Furthermore, a contamination-resistant and freeze-drying test tube is provided, with a cap made of high-quality medical plastic that is tough and easy to clean. Its buckle is wear-resistant and elastic, which facilitates a secure fastening and positioning. The sealing edge of the tube cap is made of silicone to block contamination and cushion impacts. The support is made of rigid plastic and has a window for easy operation. The connecting tube is made of transparent medical plastic for batch processing. The locking assembly ensures a reliable connection with the components and protects the sample.
[0009] As a further description of the above technical solution:
[0010] The locking assembly includes a tube body fastener, the outer side of which is fixedly connected to the outer side of the connecting tube, and the inner side of the connecting tube is fixedly connected to a tube opening sealing ridge.
[0011] Furthermore, the locking assembly includes a tube body fastener made of medical-grade plastic and securely attached to the outside of the manifold, while the manifold has a tube opening sealing ridge fixed inside, which is made of silicone material to prevent contamination and enhance the sealing effect.
[0012] As a further description of the above technical solution:
[0013] The outer side of the pipe body fastener is slidably connected to the inside of the Bug buckle, and the outer side of the support member is slidably connected to the outer side of the pipe opening sealing ridge.
[0014] Furthermore; the outer side of the tube body fastener slides and connects with the inner side of the Bug buckle, with a reasonable fit gap, smooth operation and stable connection; the outer side of the support and the outer side of the tube opening sealing ridge slide and connect, and the tube opening sealing ridge can strengthen the seal and prevent the sample from being contaminated;
[0015] As a further description of the above technical solution:
[0016] The support member is slidably connected to a flat bottom tube on the outside, and a pipe opening sealing ridge is fixedly connected inside the flat bottom tube. The flat bottom tube is provided with a pipe body fastener on the outside.
[0017] Furthermore, the flat bottom tube on the outside of the support is smoothly and tightly connected to the tube, and has a tube opening sealing ridge that enhances the sealing effect. The carefully designed tube body fastener on the outside of the flat bottom tube works in conjunction with it, expanding the original structural function and improving the test tube's anti-contamination and sealing stability to meet the stringent requirements for sample preservation.
[0018] This utility model has the following beneficial effects:
[0019] In this invention, a stable connection and sealing function is achieved through the combination of the cap and the Bug buckle with the tube body fastener. When the tubular tubes are cut into individual tubes for use, the caps are prone to popping open due to the external forces generated during cutting. However, thanks to the stable connection method of the cap and the Bug buckle combined with the tube body fastener, even in such special operations, the caps can still be firmly placed on the individual test tubes, avoiding the caps popping open and a series of adverse consequences. This greatly improves the flexibility and practicality of using tubular tubes, allowing researchers to flexibly disassemble and use the tubular tubes according to actual needs without worrying about cap problems affecting the experimental process and sample quality. Attached Figure Description
[0020] Figure 1 This is a three-dimensional schematic diagram of a test tube that is resistant to contamination and easy to freeze-dry according to the present invention.
[0021] Figure 2 This is a schematic diagram of the structure of a series of test tubes for preventing contamination and easy freeze-drying proposed in this utility model;
[0022] Figure 3 This is a schematic diagram of the tube body fastener of a test tube that is resistant to contamination and easy to freeze-dry, as proposed in this utility model.
[0023] Figure 4 This is a schematic diagram of the sealing ridge at the mouth of a test tube that is designed to prevent contamination and is easy to freeze-dry according to this utility model.
[0024] Figure 5 This is a schematic diagram of the structure of a support component for a contamination-resistant and freeze-drying test tube proposed in this utility model.
[0025] Figure 6 This is a schematic diagram of the flat bottom tube of a test tube that is resistant to contamination and easy to freeze-dry, as proposed in this utility model.
[0026] Legend:
[0027] 1. Cover; 2. Bug buckle; 3. Pipe cap sealing ridge; 4. Window; 5. Support; 6. Pipe opening sealing ridge; 7. Pipe body fastener; 8. Connecting pipe; 9. Flat bottom pipe. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] Reference Figure 1 , Figure 2 , Figure 5 One embodiment of this utility model is a test tube that is easy to freeze-dry and prevents contamination. It includes a cover 1, which is transparent to facilitate viewing the sample inside the tube. A Bug buckle 2 is fixedly connected to one side of the cover 1. The Bug buckle 2 can be tightly and securely fastened to the external structure by its own characteristics to prevent the test tube from accidentally loosening or falling off during movement or storage.
[0030] The bottom of the cap 1 is fixedly connected to the cap sealing ridge 3. The cap sealing ridge 3 is soft and elastic, and can fully fill the gaps to form a reliable seal when the cap is closed, ensuring the purity of the sample and the accuracy of subsequent experiments. The bottom of the cap sealing ridge 3 is connected to the support 5. The support 5 has strong support capacity, which can keep the upper components in an accurate position and maintain the stability of the cap structure.
[0031] The support component 5 has an internal window 4, which is carefully designed to allow clear observation of key features of the sample inside the tube without opening the cap 1, reducing the risk of contamination from opening the cap and facilitating the experiment. The window 4 can also be adjusted in shape according to actual needs. The support component 5 is slidably connected to a row of tubes 8 on its outer side. The smooth sliding connection facilitates the removal and replacement of individual test tubes while ensuring relative stability.
[0032] Reference Figure 3 , Figure 4 and Figure 6 The outer side of the connecting pipe 8 has a locking assembly for engaging parts. The locking assembly includes a pipe body fastener 7, which is firmly connected to the connecting pipe 8, ensuring stable locking and making the device more stable when used in combination. The connecting pipe 8 is fixedly connected to the pipe opening sealing ridge 6. The outer side of the support member 5 is slidably connected to a flat bottom pipe 9. As an important part of the pipe cover structure, the support member 5 has a flat bottom pipe 9 on its outer side in a suitable and smooth sliding connection manner.
[0033] This sliding connection design allows the flat bottom tube 9 to move flexibly relative to the support 5, facilitating adjustments to its position according to actual needs during different operational stages. The flat bottom tube 9 has an internally fixed sealing ridge 6 at the tube opening, which fills gaps and effectively blocks external contaminants from entering, achieving a contamination prevention function. The outer side of the flat bottom tube 9 is equipped with a tube body fastener 7, which fits tightly with the flat bottom tube 9, reinforcing the connection, expanding structural functionality, and enhancing the test tube's contamination prevention and sealing stability. The tube opening sealing ridge 6 has excellent sealing performance, working in conjunction with the tube cap sealing ridge 3 to create a double-layer sealing effect, isolating the test tube from adverse external factors.
[0034] The outer side of the pipe body fastener 7 slides to connect with the Bug buckle 2, and the two slide smoothly and fit together well, which can enhance the tightness of the connection between the various components of the device. The outer side of the support 5 slides to connect with the pipe opening sealing ridge 6, which can further enhance the overall sealing effect.
[0035] Working principle: This tube can be used directly for PCR reactions. The tube cap has a sealing ridge 3, a window 4, and a half-support 5. When the tube cap is placed on the PCR tube, the support 5 is stably supported on the sealing ridge 6 at the tube opening, exposing the support 5 through the window 4. During the vacuum freeze-drying process, the moisture in the reagents can sublimate through the window 4. After drying, the hydraulic mechanism inside the vacuum dryer, in conjunction with the up-and-down movement of the plates, tightens the tube cap. The sealing ridge ensures the tube's airtightness, and the tube cap's buckle 2 engages with the tube body fastener 7 to ensure the stability of the cap seal. This prevents the tube cap from bursting open when the tubes are cut into individual tubes for use. The purpose of the flat bottom tube 9 is to significantly shorten the PCR reaction time under certain conditions when using this type of bottom tube.
[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A test tube that is resistant to contamination and easy to freeze-dry, comprising a cap (1), characterized in that: A Bug buckle (2) is fixedly connected to one side of the cover (1), a pipe cap sealing ridge (3) is fixedly connected to the bottom of the cover (1), a support member (5) is fixedly connected to the bottom of the pipe cap sealing ridge (3), a window (4) is opened inside the support member (5), a connecting pipe (8) is slidably connected to the outside of the support member (5), and a locking assembly for locking the parts is fixedly connected to the outside of the connecting pipe (8).
2. The test tube for easy freeze-drying and pollution prevention according to claim 1, characterized in that: The locking assembly includes a tube body fastener (7), the outer side of which is fixedly connected to the outer side of the connecting pipe (8), and the inner side of the connecting pipe (8) is fixedly connected to a pipe opening sealing ridge (6).
3. The test tube for easy freeze-drying and pollution prevention according to claim 2, characterized in that: The outer side of the tube body fastener (7) is slidably connected to the inside of the Bug buckle (2), and the outer side of the support (5) is slidably connected to the outer side of the tube opening sealing ridge (6).
4. The test tube for easy freeze-drying and pollution prevention according to claim 2, characterized in that: The support member (5) is slidably connected to a flat bottom tube (9), and the flat bottom tube (9) is fixedly connected to a pipe opening sealing ridge (6). The flat bottom tube (9) is provided with a pipe body fastener (7) on its outer side.