A cell detection kit

Abstract

The utility model discloses a cell detection kit belongs to cell detection kit technical field, include: box body, be equipped with a plurality of independent air gap on the side surface of box body, a plurality of test tube racks, a plurality of test tube racks are adapted to a plurality of air gap, are used to hold test tube, a plurality of sealing shafts, a plurality of sealing shafts are installed on the upper end groove wall of air gap, are used to seal the test tube opening on test tube rack, the utility model discloses through setting up a plurality of independent air gap, the cell sample on different test tube racks is separated to avoid cross -contamination, influence the accuracy of detection.

Description

Technical Field

[0001] This utility model relates to the field of cell detection kit technology, specifically to a cell detection kit. Background Technology

[0002] In the field of cell biology detection, cell detection kits are core tools for sample storage, reaction, and preliminary processing. The rationality of their structure directly affects the accuracy of detection results and operational efficiency.

[0003] Existing cell detection kits mostly employ open chamber or single-container designs, and even when equipped with tube racks, they lack independent separation structures for different sample tube racks. When multiple sets of cell samples need to be processed simultaneously, different tube racks are often located in the same open or semi-open space, making it easy for sample volatiles, spilled liquids during operation, or airborne bacteria to spread between sample sets, leading to cross-contamination. Although some kits have simple partitions, the lack of effective physical isolation between partitions still cannot prevent mutual interference between samples, ultimately affecting the accuracy of the test results. To solve the above problems, this utility model provides a cell detection kit. Utility Model Content

[0004] To address the aforementioned technical shortcomings, the purpose of this invention is to provide a cell detection kit that separates cell samples from different test tube racks by setting multiple independent empty slots, thereby avoiding cross-contamination and ensuring the accuracy of the detection.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: The present invention provides a cell detection kit, comprising: The box body has multiple independent slots on one side. Multiple test tube racks, each of which is adapted to multiple empty slots, are used to hold test tubes; Multiple sealing shafts are installed on the upper wall of the empty slot to seal the test tube openings on the test tube rack.

[0006] Preferably, the sealing shaft slides along its own axial direction on the upper wall of the empty groove, and the lower end of the sealing shaft is arc-shaped, and the diameter of the sealing shaft is larger than the inner diameter of the test tube.

[0007] Preferably, the sealing shaft is a stepped shaft with its narrower end extending through the box to the outside of the box. The upper side wall of the box has a cavity, and a spring is installed between the sealing shaft and the top side wall of the cavity. The spring has a clamping force that presses the sealing shaft downward.

[0008] Preferably, the spring is sleeved on the narrower end of the sealing shaft, with its lower end fixedly connected to the sealing shaft and its upper end abutting against the top sidewall of the cavity.

[0009] Preferably, the sealing shaft is a hollow structure for storing reagents. When the test tube rack is inserted into the hollow slot, the reagent is added to the corresponding test tube through the sealing shaft.

[0010] Preferably, the upper end of the sealing shaft is provided with a squeezing part, the lower end is provided with an adding hole, the upper end of the sealing shaft is provided with an opening, and the inside of the adding hole is provided with an elastic valve. The elastic valve is provided with a discharge port. When the squeezing part is compressed, the pressure inside the sealing shaft increases, and the reagent inside the sealing shaft overcomes the elastic force of the elastic valve and enters the corresponding test tube through the discharge port.

[0011] Preferably, the extrusion section includes: The cover is threadedly installed at the upper opening of the sealing shaft, and the cover has a through opening; A rubber tube, which is a cylindrical tube with one end open, has its open end aligned with the through-hole on the cover and is fixedly connected to the cover.

[0012] Preferably, the test tube rack includes: a frame body, the frame body being U-shaped, having a plurality of through holes for inserting test tubes on the upper open end sidewall, and a base plate being fixedly installed at the open end of the frame body, the size of the base plate being larger than the size of the slot opening.

[0013] Preferably, the side wall of the lower open end of the frame is provided with a plurality of limiting grooves for supporting the lower end of the test tube.

[0014] Preferably, the cross-sectional shape of the substrate is stepped, and the side with the smaller size is interference-fitted with the opening of the slot.

[0015] The beneficial effects of this utility model are as follows: This invention separates test tubes on different test tube racks by setting up multiple independent empty slots. This allows different cell samples to be stored on different test tube racks. Since the test tube racks are inserted separately into the corresponding empty slots, different cell samples can be stored independently, thereby avoiding cross-contamination and ensuring the accuracy of the test.

[0016] This invention achieves the dual effects of sealing the test tube opening to prevent contamination and accurately adding reagents in situ through the design of a sealing shaft, spring, test tube rack, and hollow slot. The spring provides downward clamping force to the sealing shaft, ensuring that the lower end of the sealing shaft fits tightly against the test tube opening on the test tube rack, preventing external airborne bacteria from entering the test tube and avoiding sample contamination. At the same time, the hollow structure of the sealing shaft can pre-store the test reagent. When reagent needs to be added, squeezing the squeezing part at the upper end of the sealing shaft increases the internal pressure of the sealing shaft, overcoming the elasticity of the elastic valve and opening the outlet. The reagent directly enters the test tube from the lower end of the sealing shaft, eliminating the need to transfer the reagent to other containers before adding it. This avoids sample contamination during the transfer process, reduces reagent volume loss, and ensures accurate sample addition. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a cell detection kit provided in an embodiment of the present invention.

[0019] Figure 2 This is an exploded view of the substrate, frame, and box of this utility model.

[0020] Figure 3 This is a cross-sectional view of the present invention.

[0021] Figure 4 This is a schematic diagram of the frame and base plate of this utility model.

[0022] Figure 5 This is an exploded view of the cover and sealing shaft of this utility model.

[0023] Figure 6 This is a schematic diagram of the structure of the elastic valve of this utility model.

[0024] Explanation of reference numerals in the attached figures: 1. Box body, 2. Hollow groove, 3. Frame body, 4. Sealing shaft, 5. Spring, 6. Elastic valve, 7. Cover body, 8. Rubber tube, 9. Base plate, 10. Limiting groove, 11. Cavity. Detailed Implementation

[0025] 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.

[0026] This invention provides a cell detection kit, such as... Figures 1 to 6 As shown.

[0027] Example 1: A cell detection kit includes a box body 1, which serves as the main support structure of the kit. Multiple independent slots 2 are arranged at equal intervals on one side of the box body 1. The inner wall of each slot 2 is smooth and polished and is adapted to a test tube rack to ensure that the test tube rack can be fully inserted and placed stably.

[0028] The test tube rack consists of a frame 3 and a base plate 9. The frame 3 has an overall "U" shape. On the upper open end side wall, multiple through holes are made according to the outer diameter of the standard test tube to position the upper part of the test tube. On the lower open end side wall, multiple arc-shaped limiting grooves 10 are made corresponding to the positions of the through holes. The curvature of the limiting grooves 10 is consistent with the curvature of the lower outer wall of the test tube to support the lower end of the test tube.

[0029] The substrate 9 is fixedly installed at the open end of the frame 3. Its cross-section is stepped. The outer diameter of the smaller end matches the inner diameter of the opening of the slot 2 and is designed with an interference fit. The outer diameter of the larger end is larger than the inner diameter of the opening of the slot 2, which can block the opening of the slot 2 and further ensure the sealing of the slot 2 after the test tube rack is inserted into the slot 2.

[0030] In use, first, the cell samples to be tested are placed into different test tubes. Then, each test tube is inserted one by one into the through hole on the upper side of the frame 3 until the lower end of the test tube is embedded in the corresponding limiting groove 10 on the lower side. The through hole restricts the lateral swaying of the test tube, and the limiting groove 10 supports the longitudinal weight of the test tube through its arc-shaped fit. The two work together to achieve stable fixation of the test tube within the frame 3, preventing the test tube from tipping over or shifting. Subsequently, the frame 3 along with the test tubes is aligned with the empty groove 2 on the box 1, and the smaller end of the substrate 9 is pushed into the empty groove 2. The design ensures a tight fit between the test tube rack and the inner wall of the empty slot 2, with no loose gaps. Since each empty slot 2 is independent, different test tube racks are placed in different empty slots 2, forming a physically isolated space. This effectively blocks the diffusion of volatiles from different samples, cross-contamination of spilled liquids during operation, and cross-slot contamination by airborne bacteria. Through the synergistic effect of the box body 1, empty slot 2, rack body 3, base plate 9, and limiting slot 10, multiple sets of cell samples can be stored independently and stably, solving the defect of easy cross-contamination of samples in existing technologies.

[0031] Example 2: To prevent the test tubes from spilling inside the empty groove 2, a sealing shaft 4 is provided based on Embodiment 1. The sealing shaft 4 is made of rubber and is installed in the pre-set mounting hole on the upper wall of the empty groove 2. It can slide up and down along its own axis. The lower end of the sealing shaft 4 is machined into an arc shape, and its outer diameter is larger than the inner diameter of the test tube to be adapted, so as to block the opening of the test tube. The sealing shaft 4 has a stepped shaft structure. A cavity 11 is opened in the upper side wall of the box 1. The thinner end of the sealing shaft 4 extends upward through the side wall of the box 1 to the outside of the box 1, while the thicker end is located inside the empty groove 2. The shoulder of the sealing shaft 4 is located inside the cavity 11. A spring 5 is sleeved on the outside of the thinner end of the sealing shaft 4. The lower end of the spring 5 is fixedly connected to the shoulder of the sealing shaft 4, and the upper end abuts against the top side wall of the cavity 11. In the natural state, the spring 5 is in a slightly compressed state, providing a continuous downward pressing force for the sealing shaft 4.

[0032] When the test tube rack is not inserted into the empty slot 2, the slight compression force of the spring 5 applies a downward clamping force to the sealing shaft 4. When the test tube rack, along with the test tubes, is inserted into the empty slot 2 and in place, the test tube opening pushes the sealing shaft 4 upward, causing the sealing shaft 4 to slide upward along the axial direction. At the same time, the spring 5 is compressed, and the spring 5 generates a larger reaction force due to compression. The reaction force is transmitted to its lower end through the sealing shaft 4, causing the arc-shaped sealing surface at the lower end of the sealing shaft 4 to fit tightly against the test tube opening, forming a ring seal. Since the sealing shaft 4 can slide along the axial direction, it can adapt to the opening height of test tubes of different lengths, ensuring that test tubes of different specifications can achieve effective sealing.

[0033] Example 3: Based on Example 2, to facilitate the addition of reagents to the test tube, a hollow channel is axially formed inside the sealing shaft 4 for holding the reagents. An opening communicating with the hollow channel is formed at the upper end of the sealing shaft 4, and an external thread is machined at the opening for installing the extrusion part. The extrusion part consists of a cover 7 and a rubber tube 8. An internal thread is machined on the cover 7 to achieve a threaded connection and fixation with the upper opening of the sealing shaft 4. A through-hole is formed at the center of the cover 7, and a rubber tube 8 is fixedly installed on the upper side of the cover 7. The inner diameter of the through-hole is the same as the inner diameter of the rubber tube 8. The rubber tube 8 is made of elastic silicone material and is open at one end and closed at the other. The cylindrical rubber tube 8 is connected to the through-hole of the cap 7 and the hollow channel of the sealing shaft 4. The lower end of the sealing shaft 4 has an addition hole that connects to the hollow channel. An elastic valve 6 is fixedly installed inside the addition hole by a slot. The elastic valve 6 is made of medical elastic rubber and has a cross-shaped outlet at its center. In its natural state, the elastic valve 6 keeps the outlet closed by its own elasticity. It will only open when subjected to a certain pressure. When it is necessary to add reagent to the test tube, the staff squeezes the rubber tube 8 to increase the pressure inside the sealing shaft 4. The reagent enters the corresponding test tube through the outlet on the elastic valve 6.

[0034] When it is necessary to add reagent to the inside of the sealing shaft 4, simply unscrew the cover 7, and the reagent can be added directly to the inside of the sealing shaft 4 through the opening at the top of the sealing shaft 4.

[0035] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A cell detection kit, characterized in that, include: Box body (1), with multiple independent slots (2) on one side surface of the box body (1); Multiple test tube racks, the multiple test tube racks being adapted to multiple empty slots (2) for holding test tubes; Multiple sealing shafts (4) are installed on the upper wall of the empty groove (2) to seal the test tube openings on the test tube rack.

2. The cell detection kit as described in claim 1, characterized in that, The sealing shaft (4) slides along its own axial direction on the upper wall of the empty groove (2), and the lower end of the sealing shaft (4) is arc-shaped. The diameter of the sealing shaft (4) is greater than the inner diameter of the test tube.

3. The cell detection kit as described in claim 2, characterized in that, The sealing shaft (4) is designed as a stepped shaft, with its narrow end extending through the box body (1) to the outside of the box body (1). The upper side wall of the box body (1) is provided with a cavity (11). A spring (5) is installed between the sealing shaft (4) and the top side wall of the cavity (11). The spring (5) has a pressing force that presses the sealing shaft (4) downward.

4. The cell detection kit as described in claim 3, characterized in that, The spring (5) is sleeved on the narrow end of the sealing shaft (4), with its lower end fixedly connected to the sealing shaft (4) and its upper end abutting against the top side wall of the cavity (11).

5. A cell detection kit as described in claim 3, characterized in that, The sealing shaft (4) is designed as a hollow structure for storing reagents. When the test tube rack is inserted into the empty slot (2), the reagent is added to the corresponding test tube through the sealing shaft (4).

6. The cell detection kit as described in claim 5, characterized in that, The sealing shaft (4) has a squeezing part at the upper end and an adding hole at the lower end. The upper end of the sealing shaft (4) has an opening, and the inside of the adding hole is provided with an elastic valve (6). The elastic valve (6) is provided with an outlet. When the squeezing part is compressed, the pressure inside the sealing shaft (4) increases, and the reagent inside the sealing shaft (4) overcomes the elastic force of the elastic valve (6) and enters the corresponding test tube through the outlet.

7. A cell detection kit as described in claim 6, characterized in that, The extrusion section includes: Cover (7), the cover (7) is threadedly installed at the upper opening of the sealing shaft (4), and the cover (7) is provided with a through opening; The rubber tube (8) is a cylindrical tube with one end open. Its open end is aligned with the through hole on the cover (7) and is fixedly connected to the cover (7).

8. The cell detection kit as described in claim 1, characterized in that, The test tube rack includes: a frame (3), the frame (3) is U-shaped, and a plurality of through holes for inserting test tubes are provided on the upper open end side wall. A base plate (9) is fixedly installed on the open end of the frame (3), and the size of the base plate (9) is larger than the size of the opening of the slot (2).

9. A cell detection kit as described in claim 8, characterized in that, The frame (3) has multiple limiting grooves (10) on the side wall of the lower opening end for supporting the lower end of the test tube.

10. A cell detection kit as described in claim 8, characterized in that, The substrate (9) has a stepped cross-section, and the smaller side is interference-fitted with the opening of the slot (2).

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