RNA extraction kit

Abstract

The utility model discloses an RNA (Ribonucleic Acid) extraction kit which comprises a placing assembly, a placing box, a placing block fixed in an inner cavity of the placing box, reagent intubation tubes uniformly fixed in the placing block and a sealing cover hinged on the placing box, and arc-shaped elastic sheets are symmetrically fixed on the inner walls of the reagent intubation tubes; the clamping assembly comprises a threaded rod rotationally installed on the sealing cover, a rotary knob fixed to the outer end of the threaded rod, a guide rod fixed to the sealing cover, a threaded barrel meshed with the threaded rod, a guide barrel fixed to the threaded barrel and connected to the guide rod in a sleeving mode, and a clamping plate fixed to the threaded barrel. The sealing cover is closed, the rotary knob is rotated to drive the threaded rod to rotate, the threaded cylinder and the clamping plate are driven to move and get close to the reagent tube, the top of the reagent tube is abutted, the reagent tube is well fixed, and shaking of the reagent tube is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging box production, in particular to an RNA extraction kit. Background Art

[0002] A test kit is a packaged device containing a series of reagents, chemicals and materials used in scientific experiments or medical diagnosis. In large-scale epidemiological surveys, extracting viral RNA can help monitor and track the spread of the virus and understand the spread dynamics of the epidemic, so people will use a test kit for extracting viral RNA.

[0003] In the prior art, the test tubes in the test kit are difficult to fix and are prone to shaking, which can easily lead to the loss or overflow of reagents or samples, thereby causing sample loss, affecting the accuracy and reliability of the experiment, and reducing the risk of test tubes breaking due to shaking. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in an existing RNA extraction kit, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an RNA extraction kit. When using the device, first insert the reagent tube into the reagent insert tube, the reagent tube will squeeze the arc-shaped elastic sheet and be clamped under the elastic force of the arc-shaped elastic sheet, then close the cover, and turn the knob to drive the threaded rod to rotate, drive the threaded barrel and the clamping plate to move and approach the reagent tube, and support the top of the reagent tube, so that the reagent tube is better fixed to prevent the reagent tube from shaking; and when the knob is adjusted, release the toggle rod, and under the drive of the spring, the locking pin is inserted into a locking groove to lock the knob to prevent the knob from being accidentally touched and rotated.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] An RNA extraction kit comprising:

[0009] The placement assembly comprises a placement box, a placement block fixed in the inner cavity of the placement box, reagent cannulas uniformly fixed in the placement block, and a cover hinged on the placement box, wherein arc-shaped elastic sheets are symmetrically fixed on the inner walls of the reagent cannulas;

[0010] The clamping assembly includes a threaded rod rotatably mounted on the cover, a knob fixed to the outer end of the threaded rod, a guide rod fixed to the cover, a threaded barrel engaged with the threaded rod, a guide barrel fixed to the threaded barrel and sleeved on the guide rod, and a clamping plate fixed to the threaded barrel.

[0011] As a preferred solution of the RNA extraction kit described in the utility model, a toggle groove is provided on the outer wall of the knob.

[0012] As a preferred solution of the RNA extraction kit described in the utility model, sealing grooves are evenly opened on the inner wall of the clamping plate, and the sealing grooves are adapted to the reagent cannula.

[0013] As a preferred embodiment of the RNA extraction kit described in the utility model, it also includes a locking assembly, including a mounting block fixed on the outer wall of the cover, a mounting cavity provided on the mounting block, a spring fixed in the mounting cavity, a locking pin fixed on the spring, and a locking groove evenly provided on the side wall of the knob and adapted to the locking pin.

[0014] As a preferred solution of the RNA extraction kit described in the utility model, a movable groove adapted to the mounting cavity is provided on the mounting block, and a toggle rod passing through the movable groove is fixed on the locking pin.

[0015] Compared with the prior art, the utility model has the following beneficial effects: when using the device, first insert the reagent tube into the reagent insert, the reagent tube will squeeze the arc-shaped elastic sheet and be clamped under the elastic force of the arc-shaped elastic sheet, then close the cover, and turn the knob to drive the threaded rod to rotate, drive the threaded barrel and the clamping plate to move and approach the reagent tube, and support the top of the reagent tube, so that the reagent tube is better fixed to prevent the reagent tube from shaking; and when the knob is adjusted, release the toggle rod, and under the drive of the spring, the locking pin is inserted into a locking groove to lock the knob to prevent the knob from being accidentally touched and rotated. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of an RNA extraction kit of the utility model;

[0018] Figure 2Cross-sectional view of the clamping component of an RNA extraction kit of the present utility model;

[0019] Figure 3 An RNA extraction kit of the present utility model Figure 2 Partial enlarged view of A in;

[0020] Figure 4 Cross-sectional view of the arc-shaped elastic sheet of an RNA extraction kit of the present utility model. Specific embodiments

[0021] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0022] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of description, the cross-sectional views showing the device structure will be enlarged locally in a non-general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0023] To make the purpose, technical solutions, and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

[0024] The present utility model provides an RNA extraction kit. When using this device, first insert the reagent tube into the reagent insertion tube. The reagent tube will squeeze the arc-shaped elastic sheet and be clamped under the elastic force of the arc-shaped elastic sheet. Then close the cover and rotate the knob to drive the threaded rod to rotate, driving the threaded cylinder and the clamping plate to move and approach the reagent tube, pressing against the top of the reagent tube, so that the reagent tube is better fixed to avoid shaking of the reagent tube; and when the knob is adjusted, release the toggle lever, and under the drive of the spring, the locking pin is inserted into a locking groove to lock the knob to prevent the knob from being accidentally touched and rotated.

[0025] Figures 1-4 Shown is a schematic diagram of the overall structure of an embodiment of an RNA extraction kit of the present utility model. Please refer to Figures 1-4 , An RNA extraction kit of this embodiment, its main part includes a placement component 100 and a clamping component 200.

[0026] The placement component 100 includes a placement box 110, a placement block 120 fixed in the inner cavity of the placement box 110, reagent insertion tubes 130 evenly fixed in the placement block 120, and a cover 140 hinged on the placement box 110. Arc-shaped elastic sheets 130a are symmetrically fixed on the inner wall of the reagent insertion tubes 130;

[0027] The clamping assembly 200 includes a threaded rod 210 rotatably mounted on the cover 140, a knob 220 fixed to the outer end of the threaded rod 210, a guide rod 230 fixed to the cover 140, a threaded cylinder 240 meshed with the threaded rod 210, a guide cylinder 250 fixed to the threaded cylinder 240 and sleeved on the guide rod 230, and a clamping plate 260 fixed to the threaded cylinder 240. A toggle groove 220a is formed on the outer wall of the knob 220; sealing grooves 260a are uniformly formed on the inner wall of the clamping plate 260, and the sealing grooves 260a are adapted to the reagent cannula 130.

[0028] Furthermore, the device also includes a locking assembly 300, including a mounting block 310 fixed on the outer wall of the cover 140, a mounting cavity 320 opened on the mounting block 310, a spring 330 fixed in the mounting cavity 320, a locking pin 340 fixed on the spring 330, and a locking groove 350 evenly opened on the side wall of the knob 220 and adapted to the locking pin 340; a movable groove 360 ​​adapted to the mounting cavity 320 is opened on the mounting block 310, and a toggle rod 370 passing through the movable groove 360 ​​is fixed on the locking pin 340.

[0029] Combination Figures 1-4 , an RNA extraction kit of the present embodiment, the specific use process is as follows: when using the device, first insert the reagent tube into the reagent insert 130, the reagent tube will squeeze the arc-shaped elastic sheet 130a, and be clamped under the elastic force of the arc-shaped elastic sheet 130a, then close the cover 140, and turn the knob 220 to drive the threaded rod 210 to rotate, drive the threaded barrel 240 and the clamping plate 260 to move and approach the reagent tube, and press the top of the reagent tube, so that the reagent tube is better fixed to prevent the reagent tube from shaking; and when the knob 220 is adjusted, release the toggle rod 370, and under the drive of the spring 330, the locking pin 340 is inserted into a locking groove 350 to lock the knob 220 to prevent the knob 220 from being accidentally touched and rotated.

[0030] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An RNA extraction kit, characterized in that, include: A placement assembly (100) comprises a placement box (110), a placement block (120) fixed in the inner cavity of the placement box (110), a reagent cannula (130) uniformly fixed in the placement block (120), and a cover (140) hinged on the placement box (110), wherein an arc-shaped elastic sheet (130a) is symmetrically fixed on the inner wall of the reagent cannula (130); The clamping assembly (200) comprises a threaded rod (210) rotatably mounted on the cover (140), a knob (220) fixed to the outer end of the threaded rod (210), a guide rod (230) fixed to the cover (140), a threaded cylinder (240) engaged with the threaded rod (210), a guide cylinder (250) fixed to the threaded cylinder (240) and sleeved on the guide rod (230), and a clamping plate (260) fixed to the threaded cylinder (240).

2. The RNA extraction kit according to claim 1, wherein, A toggle groove (220a) is provided on the outer wall of the knob (220).

3. The RNA extraction kit according to claim 1, characterized in that, Sealing grooves (260a) are evenly formed on the inner wall of the clamping plate (260), and the sealing grooves (260a) are adapted to fit the reagent cannula (130).

4. The RNA extraction kit according to claim 1, wherein The invention also comprises a locking assembly (300), comprising a mounting block (310) fixed on the outer wall of the cover (140), a mounting cavity (320) provided on the mounting block (310), a spring (330) fixed in the mounting cavity (320), a locking pin (340) fixed on the spring (330), and a locking groove (350) evenly provided on the side wall of the knob (220) and matched with the locking pin (340).

5. An RNA extraction kit according to claim 4, wherein, The mounting block (310) is provided with a movable groove (360) adapted to the mounting cavity (320), and a toggle rod (370) passing through the movable groove (360) is fixed to the locking pin (340).

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