Spacing-adjustable test tube rack for PCR (Polymerase Chain Reaction) inspection

By designing the fixing mechanism of test tube rack and magnet plywood with adjustable spacing, the existing test tube rack cannot adapt to the easy shaking of test tubes and test tubes in different specifications, achieving flexible adaptability of test tube racks and stable fixation of test tubes, ensuring sample integrity and test tube safety.

CN222518652UActive Publication Date: 2025-02-25THE FIFTH AFFILIATED (ZHUHAI) HOSPITAL OF ZUNYI MEDICAL UNIV
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Patent Information

Application Number
CN202421285213.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-02-25
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

The existing PCR test is fixed with a test tube rack structure, which cannot adapt to test tubes of different specifications. The test tubes are prone to shake, skew or tilt under the influence of external factors, which may cause the sample to spill or damage.

Method used

A test tube rack with adjustable spacing is designed. By rotating the screw, the card joint rod is moved, and the limit block and the second support plate are used to slide the height of the card joint rod to adjust the position of the first support block to realize the test tube rack. Flexible adjustment of spacing. At the same time, the clamping and fixing mechanism of magnets and splints is used to ensure that the test tube is stable and stable when placed.

Benefits of technology

Good compatibility with test tubes of different lengths is achieved, ensuring stable placement of test tubes, avoiding test tube movement caused by external factors, protecting sample integrity, and reducing test tube damage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222518652U_ABST
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Abstract

The utility model relates to the field of interval-adjustable test tube racks for PCR (Polymerase Chain Reaction) inspection, and discloses an interval-adjustable test tube rack for PCR inspection, which comprises a base, a plurality of adjusting mechanisms are fixedly arranged at two ends of the upper side of the base, a first support plate is fixedly arranged among the adjusting mechanisms, and a second support plate is fixedly arranged between the first support plate and the second support plate. A plurality of groove positions are formed in the inner sides of the first supporting plates, the groove positions are arranged and distributed on the inner sides of the first supporting plates at equal intervals, a plurality of fixing mechanisms are fixedly arranged on the lower sides of the first supporting plates, and the fixing mechanisms are arranged on the lower sides of the first supporting plates at equal intervals; each adjusting mechanism comprises a shell and a first supporting block. According to the test tube rack, the distance between the first supporting plates can be conveniently adjusted through the adjusting mechanism, so that the test tube rack can adapt to test tubes with different lengths, the placed test tubes can be conveniently supported through the grooves formed in the inner sides of the first supporting plates, and the placed test tubes can be conveniently fixed through the fixing mechanism.
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Description

Technical Field

[0001] The utility model relates to the field of a test tube rack for PCR testing with adjustable spacing, in particular to a test tube rack for PCR testing with adjustable spacing. Background Art

[0002] The test tube rack for PCR testing is a tool specially designed for polymerase chain reaction testing. It is usually made of sturdy and durable materials and has multiple neatly arranged test tube placement holes to accommodate the placement needs of different numbers of test tubes. It not only facilitates experimenters to place and manage test tubes in an orderly manner, helping to improve work efficiency, but also ensures the stability and safety of the test tubes during the experiment.

[0003] Most test tube racks have a fixed structure and cannot flexibly adapt to test tubes of different specifications. They can only accommodate test tubes of a specific length and are not well compatible with longer or shorter test tubes, limiting the types of test tubes that can be used in experiments. At the same time, under the influence of external factors, test tubes are prone to shaking, tilting, or even falling on the rack, which may cause samples to spill or be damaged, affecting test results.

[0004] Therefore, the utility model provides a test tube rack for PCR testing with adjustable spacing to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a test tube rack for PCR testing with adjustable spacing. The screw rod is rotated to drive the clamping rod to move, and the limiting block and the second support plate are slidably arranged so that the clamping rod can adjust the height by moving, thereby propping up and retracting the first support block. The spacing can be reasonably adjusted according to the actual test tube length, and the space of the test tube rack is fully utilized so that test tubes of different lengths can be placed firmly to ensure good compatibility. When the test tube is placed, the test tube is moved downward to push the two clamps to move outward, and the multiple magnets attract each other, so that the clamps are used to clamp and fix the placed test tubes, thereby avoiding accidental movement of the test tube due to external factors, causing the internal sample to spill or be contaminated, and ensuring the integrity of the sample.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a test tube rack for PCR testing with adjustable spacing, comprising a base, a plurality of adjustment mechanisms are fixedly arranged at both ends of the upper side of the base, a first support plate is fixedly arranged between the plurality of adjustment mechanisms, a plurality of slots are opened inside the plurality of first support plates, the plurality of slots are arranged and distributed at equal intervals inside the first support plates, a plurality of fixing mechanisms are fixedly arranged on the lower side of the plurality of first support plates, and the plurality of fixing mechanisms are arranged at equal intervals on the lower side of the first support plates;

[0007] The plurality of adjustment mechanisms include a housing and a first support block, a clamping block is fixedly disposed at the middle end of the lower side of the plurality of first support blocks, and the fixing mechanism includes two clamping plates, and fixing blocks are fixedly disposed at both ends of the two clamping plates;

[0008] Through the above technical scheme, the base is convenient for supporting the entire mechanism, the adjustment mechanism is convenient for adjusting the distance between the first support plates so that it can adapt to test tubes of different lengths, the first support plate is convenient for supporting the placed test tubes through the grooves opened on the inner side, the fixing mechanism is convenient for fixing the placed test tubes, the outer shell is convenient for installing the internal mechanism, the first support block and the first support plate are fixedly connected, the clamping block is arranged to be movable by being clamped with the clamping block, the clamping plate is convenient for clamping and fixing the placed test tubes by moving, and the fixing block is convenient for fixing and installing the magnet.

[0009] Further, a second support plate is fixedly provided at both ends of the inner side of the plurality of shells, a fixing rod is slidably provided inside the plurality of second support plates, and a clamping rod is slidably provided outside the upper ends of the plurality of fixing rods;

[0010] Through the above technical solution, the second support plate is inclined so that the height of the clamping rod can be adjusted when it moves. The clamping rod is slidably arranged with the fixed rod so that it can be extended and retracted, ensuring that the fixed rod can support it at any height.

[0011] Furthermore, magnets are fixedly arranged inside the plurality of fixed blocks, and two second sliding rods are slidably arranged inside the plurality of magnets;

[0012] Through the above technical solution, the magnets attract each other to facilitate the movement of the clamping plate to clamp and fix the placed test tube, and the second sliding rod is set to slide with the magnet to keep it stable when moving.

[0013] Furthermore, a plurality of the upper ends of the clamping rods are fixedly provided with clamping blocks, and a plurality of limiting blocks are fixedly provided on both sides of the lower ends of the clamping rods. The outer sides of the plurality of clamping blocks are clamped with the inner sides of the clamping blocks, and the inner sides of the lower ends of the plurality of fixed rods are provided with screw rods, and a rotating button is fixedly provided at one end of the screw rods.

[0014] Through the above technical solution, the clamping block is connected with the clamping block so that it can be moved, the limit block is slidably set with the second support plate so that it remains stable when moving, and the rotating button makes it convenient for the staff to rotate the screw rod, and the screw rod can be rotated to adjust the position of the fixed rod.

[0015] Furthermore, first sliding rods are fixedly arranged around the lower sides of the plurality of first supporting blocks, and the outer sides of the lower ends of the plurality of first sliding rods and the inner sides of the two ends of the shell are slidably arranged;

[0016] Through the above technical solution, the first sliding rod is slidably arranged with the housing, so that the first supporting block remains stable when moving up and down.

[0017] Furthermore, a telescopic rod is fixedly provided at the middle end of one side of the two clamping plates, and a second supporting block is fixedly provided at one end of the two telescopic rods;

[0018] Through the above technical solution, the telescopic rod enables the splint to move while still supporting it, and the second support block plays a role of fixed support.

[0019] Furthermore, rubber pads are fixedly provided on the inner sides of the two clamping plates, and baffles are fixedly provided on both ends of the lower side of the first supporting block;

[0020] Through the above technical solution, the rubber pad uses its soft property to protect the test tube when the splint clamps the test tube, and the baffle plays a blocking role to prevent the staff from accidentally putting their hands in and causing injuries when the first support block moves downward.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes a test tube rack for PCR testing with adjustable spacing. The screw rod is rotated to drive the clamping rod to move. The limit block and the second support plate are slidably arranged so that the clamping rod can adjust the height by moving, thereby supporting and retracting the first support block. The spacing can be reasonably adjusted according to the actual test tube length, and the space of the test tube rack is fully utilized so that test tubes of different lengths can be stably placed. It can adapt to test tubes of various lengths, whether standard size or special specifications, to ensure good compatibility.

[0023] 2. The utility model proposes a test tube rack for PCR testing with adjustable spacing. When the test tube is placed, the test tube is moved downward to push the two clamps to move outward, and multiple magnets attract each other, so that the clamps are used to clamp and fix the placed test tube, avoiding accidental movement of the test tube due to external factors, causing the internal sample to spill or be contaminated, ensuring the integrity of the sample, avoiding collision and friction between the test tubes, and reducing damage to the test tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the axial side of the utility model;

[0025] Figure 2 It is a partial axial bottom view schematic diagram of the utility model;

[0026] Figure 3 This is a schematic diagram of the axial development of the adjustment mechanism of the utility model;

[0027] Figure 4 It is a partial axial side schematic diagram of the adjustment mechanism of the utility model;

[0028] Figure 5 It is a schematic diagram of the axial expansion of the fixing mechanism of the utility model.

[0029] Legend:

[0030] 1. Slot; 2. First support plate; 3. Adjustment mechanism; 301. Block; 302. Housing; 303. Connecting rod; 304. Second support plate; 305. First support block; 306. Connecting block; 307. First sliding rod; 308. Baffle; 309. Screw; 310. Rotation button; 311. Limit block; 312. Fixed rod; 4. Base; 5. Fixing mechanism; 501. Rubber pad; 502. Second support block; 503. Fixed block; 504. Magnet; 505. Second sliding rod; 506. Clamp; 507. Telescopic rod. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-5 The utility model provides an embodiment: a test tube rack for PCR testing with adjustable spacing, including a base 4, a plurality of adjustment mechanisms 3 are fixedly arranged at both ends of the upper side of the base 4, a first support plate 2 is fixedly arranged between the plurality of adjustment mechanisms 3, a plurality of slots 1 are opened inside the plurality of first support plates 2, the plurality of slots 1 are arranged and distributed at equal intervals inside the first support plates 2, a plurality of fixing mechanisms 5 are fixedly arranged on the lower side of the plurality of first support plates 2, and the plurality of fixing mechanisms 5 are arranged at equal intervals on the lower side of the first support plates 2.

[0033] The base 4 serves as a fixed support to ensure that the entire mechanism remains stable during use. The first support plate 2 is convenient for supporting the test tubes. The multiple slots 1 opened on the inner side are convenient for orderly placing the test tubes. The fixing mechanism 5 is convenient for fixing the placed test tubes to avoid shaking.

[0034] Reference Figure 3-4The multiple adjustment mechanisms 3 include a shell 302 and a first support block 305, a clamping block 306 is fixedly provided at the middle end of the lower side of the multiple first support blocks 305, a second support plate 304 is fixedly provided at both ends of the inner side of the multiple shells 302, a fixed rod 312 is slidably provided inside the multiple second support plates 304, a clamping rod 303 is slidably provided on the outer side of the upper end of the multiple fixed rods 312, a clamping block 301 is fixedly provided on the upper end of the multiple clamping rods 303, and a clamping block 301 is fixedly provided on both sides of the lower end of the multiple clamping rods 303. A limit block 311 is provided, the outer sides of the multiple clamping blocks 301 and the inner sides of the clamping blocks 306 are clamped together, the inner threads of the lower ends of the multiple fixing rods 312 are provided with screw rods 309, one end of the screw rods 309 is fixedly provided with a rotating button 310, the first sliding rods 307 are fixedly provided around the lower sides of the multiple first support blocks 305, the outer sides of the lower ends of the multiple first sliding rods 307 and the inner sides of the two ends of the outer shell 302 are slidably provided, and baffles 308 are fixedly provided at both ends of the lower side of the first support block 305.

[0035] By rotating the screw rod 309, the position of the fixing rod 312 can be precisely controlled through rotation, and the fixing rod 312 can easily drive the clamping rod 303 to move. Through the sliding setting, the clamping rod 303 can be supported by the fixing rod 312 no matter how high it moves to. The second support plate 304 adopts an inclined design, so that the height of the first support block 305 can be precisely controlled while the clamping rod 303 moves to one end, so that the staff can precisely control the spacing of the first support plate 2.

[0036] Reference Figure 5 The fixing mechanism 5 includes two splints 506, both ends of the two splints 506 are fixedly provided with fixing blocks 503, multiple magnets 504 are fixedly provided on the inner sides of the multiple fixing blocks 503, two second sliding rods 505 are slidably provided on the inner sides of the multiple magnets 504, a telescopic rod 507 is fixedly provided on the middle end of one side of the two splints 506, one end of the two telescopic rods 507 is fixedly provided with a second supporting block 502, and rubber pads 501 are fixedly provided on the inner sides of the two splints 506.

[0037] The clamping plate 506 utilizes the mutual attraction between the magnets 504 to fix the placed test tube so that it remains stable when placed. The telescopic rod 507 can support the clamping plate 506 when it moves by telescoping, thereby ensuring the stability of the mechanism. The rubber pad 501 is soft and can protect the placed test tube from scratches.

[0038] Working principle: When the device is in use, the staff rotates the rotating button 310, so that the screw rod 309 drives the fixed rod 312 to move by rotation, and the fixed rod 312 drives the clamping rod 303 to move. The second support plate 304 is set to be inclined, so that the clamping rod 303 can adjust the height by moving, so that the clamping block 306 can be propped up and retracted by the clamping block 301, so that the distance between the first support plates 2 can be adjusted by adjusting the height of the first support block 305; by placing the test tube in the slot 1 opened on the inner side of the first support plate 2, the two clamps 506 are pushed outward when the test tube is placed, and the magnets 504 attract each other, so that the clamps 506 are used to clamp and fix the placed test tube.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A test tube rack for PCR testing with adjustable spacing, comprising a base (4), characterized in that: A plurality of adjustment mechanisms (3) are fixedly arranged at both ends of the upper side of the base (4); a first support plate (2) is fixedly arranged between the plurality of adjustment mechanisms (3); a plurality of slots (1) are opened inside the plurality of first support plates (2); the plurality of slots (1) are arranged at equal intervals inside the first support plate (2); a plurality of fixing mechanisms (5) are fixedly arranged on the lower side of the plurality of first support plates (2); the plurality of fixing mechanisms (5) are arranged at equal intervals on the lower side of the first support plate (2); The plurality of adjustment mechanisms (3) comprise a housing (302) and a first support block (305); a clamping block (306) is fixedly provided at the middle end of the lower side of the plurality of first support blocks (305); the fixing mechanism (5) comprises two clamping plates (506); and fixing blocks (503) are fixedly provided at both ends of the two clamping plates (506).

2. The test tube rack for PCR testing with adjustable spacing according to claim 1, characterized in that: Second support plates (304) are fixedly arranged at both ends of the inner sides of the plurality of shells (302), fixing rods (312) are slidably arranged inside the plurality of second support plates (304), and clamping rods (303) are slidably arranged outside the upper ends of the plurality of fixing rods (312).

3. The test tube rack for PCR testing with adjustable spacing according to claim 1, characterized in that: Magnets (504) are fixedly arranged inside the plurality of fixed blocks (503), and two second sliding rods (505) are slidably arranged inside the plurality of magnets (504).

4. The test tube rack for PCR testing with adjustable spacing according to claim 2, characterized in that: A clamping block (301) is fixedly provided at the upper end of the plurality of clamping rods (303), and limit blocks (311) are fixedly provided on both sides of the lower ends of the plurality of clamping rods (303). The outer sides of the plurality of clamping blocks (301) and the inner sides of the clamping blocks (306) are clamped together, and a screw rod (309) is threadedly provided on the inner sides of the lower ends of the plurality of fixing rods (312), and a rotating button (310) is fixedly provided at one end of the screw rod (309).

5. The test tube rack for PCR testing with adjustable spacing according to claim 1, characterized in that: First sliding rods (307) are fixedly arranged around the lower sides of the plurality of first supporting blocks (305), and the outer sides of the lower ends of the plurality of first sliding rods (307) and the inner sides of the two ends of the outer shell (302) are slidably arranged.

6. The test tube rack for PCR testing with adjustable spacing according to claim 1, characterized in that: A telescopic rod (507) is fixedly arranged at the middle end of one side of the two clamping plates (506), and a second supporting block (502) is fixedly arranged at one end of the two telescopic rods (507).

7. The test tube rack for PCR testing with adjustable spacing according to claim 1, characterized in that: Rubber pads (501) are fixedly arranged on the inner sides of the two clamping plates (506), and baffles (308) are fixedly arranged on both ends of the lower side of the first supporting block (305).