Medical PCR (Polymerase Chain Reaction) analysis auxiliary device

Abstract

The utility model relates to the technical field of medical PCR (Polymerase Chain Reaction) analysis, in particular to a medical PCR analysis auxiliary device, which comprises a box body, the top of the box body is rotatably connected with a box cover, a placing plate is arranged in the box body in a sliding manner, and two groups of arc-shaped clamping plates in a clamping component are matched, and a test tube is inserted between the two groups of arc-shaped clamping plates which are arranged oppositely, so that the test tube can be placed in the box body. The outwards-turned arc edges integrally formed on the tops of the two sets of arc-shaped clamping plates can facilitate insertion of test tubes, the arc-shaped clamping plates are extruded through cooperation of telescopic rods and springs, the test tubes can be stably fixed between the two sets of arc-shaped clamping plates in the inserting grooves, the advantage of being stable in clamping is achieved, and meanwhile the test tubes can be taken out conveniently and rapidly; through the arrangement of the bearing assembly, the bottom of the test tube can be borne and limited through the bearing assembly, the top of the test tube abuts against and is matched and sealed through a buffer pad in the box cover, the test tube is limited up, down, left and right, the stability of the test tube is further improved, reagents in the test tube are not prone to overflowing, and the sealing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical PCR analysis, in particular to a medical PCR analysis auxiliary device. Background Art

[0002] PCR analysis, or polymerase chain reaction analysis, is a widely used technique in molecular biology, mainly used to amplify specific DNA fragments. It is based on the principle of DNA double-strand replication, through the combination of specific primers and template DNA, under the action of DNA polymerase, DNA is replicated in vitro.

[0003] For example, a fully automatic medical PCR analysis device (Announcement No.: CN219772125U) includes a box body, both sides of the inner wall of the box body are provided with slide grooves, the inner walls of the four slide grooves are slidably connected with plug plates, a plurality of connecting sleeves are evenly spaced inside the plug plates, the middle and lower ends of the inner walls of both sides of the box body are fixedly connected with connecting blocks, the upper ends of the two connecting blocks are provided with springs, the lower bottom end of the box body is provided with a heating device, and one side of the upper end surface of the box body is rotatably connected with a box door through a hinge. In the utility model, the plug plate for placing the test tube is slidably connected to the box body through the slide grooves on both sides, which is convenient for replacing the plug plate, and springs are provided on both sides of the lower end of the plug plate to play a role of buffering and shock absorption, so that when the box body is moved, the probability of the test tube being damaged is greatly reduced, which plays a role of protecting the test tube and reducing the limitation of use.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it was found that the above equipment lacks a structure for clamping and fixing the test tube when used. The test tube is inserted into the connecting sleeve, and the bottom of the plug plate is buffered by a spring. When the box moves, the compression and recovery extension stroke of the spring will drive the plug plate to slide in the box. There is a risk of the test tube sliding out of the connecting sleeve, which will cause the reagent in the test tube to spill. Therefore, we need to propose a medical PCR analysis auxiliary device. Utility Model Content

[0005] The purpose of the utility model is to provide a medical PCR analysis auxiliary device, which has the advantages of stable clamping and preventing the reagent in the test tube from spilling and overflowing through the cooperation of the clamping component and the supporting component, so as to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A medical PCR analysis auxiliary device, comprising a box body, a box cover is rotatably connected to the top of the box body, a placement plate is slidably installed inside the box body, a plurality of groups of plug-in slots are provided on the placement plate in a rectangular array, a clamping assembly for clamping a test tube is installed inside each of the plurality of groups of the plug-in slots, and a supporting assembly for assisting the clamping assembly is provided below the plug-in slot;

[0008] The clamping assembly includes two groups of arc-shaped clamping plates, which are movably installed inside the plug-in slot in a corresponding manner. Two groups of telescopic rods are fixedly installed on opposite sides of the two groups of arc-shaped clamping plates. One end of the two groups of telescopic rods is fixedly connected to the inner wall of the plug-in slot, and the outer wall of the telescopic rod is sleeved with a spring. The placement plate is located below the plug-in slot.

[0009] Preferably, the tops of the two groups of arc-shaped splints are integrally formed with outward-turned arc edges for facilitating the insertion of test tubes, and the two groups of outward-turned arc edges are arranged in a trumpet shape.

[0010] Preferably, the inner wall of the plug-in slot is symmetrically provided with four groups of mounting slots, and one end of the four groups of telescopic rods are respectively fixedly installed inside the four groups of mounting slots.

[0011] Preferably, the supporting assembly includes a mounting ring, which is fixedly mounted on the bottom of the placement plate, and the outer wall of the mounting ring is fixedly connected to four groups of connecting rods in a circular array, and the inner sides of the bottoms of the four groups of connecting rods are fixedly connected to limiting rings for limiting the bottom of the test tube.

[0012] Preferably, grooves are provided on the tops of the inner walls on both sides of the box body, and both ends of the placement plate are fixedly connected with limit blocks, and the two groups of limit blocks are slidably inserted into the inside of the two groups of grooves respectively.

[0013] Preferably, a buffer pad is fixedly mounted on the inner top of the box cover, and a buckle is provided between the box cover and the box body.

[0014] Preferably, a heating device is installed at the inner bottom of the box, and a battery for powering the heating device is installed at the center of the bottom of the box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model cooperates with two sets of arc-shaped clamping plates in the clamping assembly. By inserting the test tube between the two sets of arc-shaped clamping plates arranged opposite to each other, the outward arc edges formed integrally on the top of the two sets of arc-shaped clamping plates can facilitate the insertion of the test tube. The arc-shaped clamping plates are squeezed by the cooperation of the telescopic rod and the spring, so that the test tube can be stably fixed between the two sets of arc-shaped clamping plates in the plug-in slot, which has the advantage of stable clamping and is also convenient for taking out the test tube;

[0017] 2. By setting the supporting assembly, the bottom of the test tube can be supported and limited by the supporting assembly, and the top of the test tube is sealed by the cushion pad in the box cover, so that the test tube is limited up and down and left and right, further improving the stability of the test tube, making it difficult for the reagent in the test tube to overflow, and improving the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure inside the box of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the utility model in cross section;

[0021] Figure 4 It is a schematic diagram of the structure of the clamping assembly and the supporting assembly of the utility model;

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the structure enlarged at point A in the middle.

[0023] In the figure: 1. box body; 2. placement plate; 3. plug-in slot; 4. clamping assembly; 41. arc-shaped clamping plate; 42. telescopic rod; 43. spring; 44. outward arc edge; 45. installation slot; 5. box cover; 6. buffer pad; 7. heating device; 8. battery; 9. groove; 10. limit block; 11. buckle; 12. supporting assembly; 121. installation ring; 122. connecting rod; 123. limit ring. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5 , the utility model provides a technical solution:

[0026] A medical PCR analysis auxiliary device comprises a box body 1, a box cover 5 is rotatably connected to the top of the box body 1, a placement plate 2 is slidably installed inside the box body 1, a plurality of groups of plug-in slots 3 are provided on the placement plate 2 in a rectangular array, a clamping assembly 4 for clamping a test tube is installed inside each of the plurality of plug-in slots 3, and a supporting assembly 12 for assisting the clamping assembly 4 is arranged below the plug-in slots 3;

[0027] The clamping assembly 4 includes two groups of arc-shaped clamping plates 41, which are correspondingly and movably installed inside the plug-in slot 3. Two groups of telescopic rods 42 are fixedly installed on the opposite sides of the two groups of arc-shaped clamping plates 41. One end of the two groups of telescopic rods 42 is fixedly connected to the inner wall of the plug-in slot 3, and the outer wall of the telescopic rod 42 is sleeved with a spring 43. The placement plate 2 is located below the plug-in slot 3, so that the arc-shaped clamping plates 41 can be squeezed by the cooperation of the telescopic rod 42 and the spring 43, so that the test tube can be stably fixed between the two groups of arc-shaped clamping plates 41 in the plug-in slot 3.

[0028] The tops of the two sets of arc-shaped clamping plates 41 are integrally formed with outward-turned arc edges 44 for easy insertion of test tubes. The two sets of outward-turned arc edges 44 are arranged in a trumpet shape, which is convenient for inserting test tubes and also convenient for taking out test tubes.

[0029] The inner wall of the plug-in slot 3 is symmetrically provided with four groups of mounting slots 45, and one end of the four groups of telescopic rods 42 are respectively fixedly installed inside the four groups of mounting slots 45, so as to facilitate avoiding the telescopic rods 42 and springs 43 when the arc-shaped clamping plate 41 is squeezed by force, thereby reducing the space occupied by the telescopic rods 42 and springs 43 in the plug-in slot 3.

[0030] The supporting assembly 12 includes a mounting ring 121, which is fixedly mounted on the bottom of the placement plate 2. The outer wall of the mounting ring 121 is fixedly connected with four groups of connecting rods 122 in a circular array. The inner side of the bottom of the four groups of connecting rods 122 is fixedly connected with a limiting ring 123 for limiting the bottom of the test tube, so that the bottom of the test tube can be supported and limited by the limiting ring 123.

[0031] Grooves 9 are provided at the tops of the inner walls on both sides of the box body 1, and both ends of the placement plate 2 are fixedly connected to limit blocks 10. The two groups of limit blocks 10 are slidably inserted into the inside of the two groups of grooves 9 respectively, so that the placement plate 2 can be easily removed and installed through the cooperation between the grooves 9 and the limit blocks 10.

[0032] A cushion pad 6 is fixedly installed on the inner top of the box cover 5. When the box cover 5 is closed, the cushion pad 6 contacts and seals the top of the test tube. A buckle 11 is provided between the box cover 5 and the box body 1. The buckle 11 is symmetrically arranged in two groups to facilitate sealing of the box cover 5 and the box body 1.

[0033] A heating device 7 is installed at the inner bottom of the box body 1 , and a storage battery 8 for supplying power to the heating device 7 is installed at the center of the bottom of the box body 1 .

[0034] Working principle: When the utility model is used, the two groups of arc-shaped clamping plates 41 in the clamping assembly 4 cooperate with each other, and the test tube is inserted between the two groups of arc-shaped clamping plates 41 arranged opposite to each other. The outward arc edge 44 formed integrally on the top of the two groups of arc-shaped clamping plates 41 can facilitate the insertion of the test tube. The arc-shaped clamping plates 41 are squeezed by the cooperation of the telescopic rod 42 and the spring 43, so that the test tube can be stably fixed between the two groups of arc-shaped clamping plates 41 in the plug-in slot 3, which has the advantage of stable clamping, and the test tube can be taken out more conveniently;

[0035] By setting the supporting assembly 12, the bottom of the test tube can be supported and limited by the supporting assembly 12, and the top of the test tube is sealed by the cushion pad 6 in the box cover 5, which protects the test tube and limits the test tube up, down, left and right, further improving the stability of the test tube, making it difficult for the reagent in the test tube to overflow, and improving the sealing effect.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical PCR analysis auxiliary device, characterized in that: include: A box body (1), a box cover (5) rotatably arranged on the top of the box body (1), a placement plate (2) slidably installed inside the box body (1), a plurality of groups of plug-in slots (3) arranged on the placement plate (2) in a rectangular array, a clamping assembly (4) arranged inside the plug-in slots (3) for clamping the test tube, and a supporting assembly (12) arranged below the plug-in slots (3) for assisting the clamping assembly (4); The clamping assembly (4) comprises two groups of arc-shaped clamping plates (41), the two groups of arc-shaped clamping plates (41) are correspondingly and movably mounted inside the plug-in slot (3), two groups of telescopic rods (42) are fixedly mounted on opposite sides of the two groups of arc-shaped clamping plates (41), one end of the two groups of telescopic rods (42) is fixedly connected to the inner wall of the plug-in slot (3), and the outer wall of the telescopic rod (42) is sleeved with a spring (43), and the placement plate (2) is located below the plug-in slot (3).

2. A medical PCR analysis auxiliary device according to claim 1, characterized in that: The tops of the two groups of arc-shaped clamping plates (41) are integrally formed with outward-turned arc edges (44) for facilitating the insertion of test tubes, and the two groups of outward-turned arc edges (44) are arranged in a trumpet shape.

3. A medical PCR analysis auxiliary device according to claim 1, characterized in that: The inner wall of the plug-in slot (3) is symmetrically provided with four groups of mounting slots (45), and one end of the four groups of telescopic rods (42) is respectively fixedly mounted inside the four groups of mounting slots (45).

4. A medical PCR analysis auxiliary device according to claim 1, characterized in that: The supporting assembly (12) comprises a mounting ring (121), wherein the mounting ring (121) is fixedly mounted on the bottom of the placement plate (2), and the outer wall of the mounting ring (121) is fixedly connected to four groups of connecting rods (122) in a circular array, and the inner sides of the bottoms of the four groups of connecting rods (122) are fixedly connected to limiting rings (123) for limiting the bottom of the test tube.

5. A medical PCR analysis auxiliary device according to claim 1, characterized in that: The tops of the inner walls on both sides of the box body (1) are provided with grooves (9), and both ends of the placement plate (2) are fixedly connected with limit blocks (10), and two groups of limit blocks (10) are respectively slidably inserted into the inside of the two groups of grooves (9).

6. A medical PCR analysis auxiliary device according to claim 1, characterized in that: A buffer pad (6) is fixedly mounted on the inner top of the box cover (5), and a buckle (11) is provided between the box cover (5) and the box body (1).

7. A medical PCR analysis auxiliary device according to claim 1, characterized in that: A heating device (7) is installed at the inner bottom of the box (1), and a storage battery (8) for supplying power to the heating device (7) is installed at the center of the bottom of the box (1).

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