Deep hole plate heating and fixing device of full-automatic nucleic acid extractor

Abstract

The utility model relates to the technical field of deep-hole plate heating, and discloses a deep-hole plate heating and fixing device of a full-automatic nucleic acid extractor, heating mechanisms are mounted at the bottom and the top of a base, and limiting mechanisms are mounted at the bottoms of the heating mechanisms; the heating mechanism comprises a placing strip, the placing strip is fixedly connected to the bottom of the base, the bottom of the base is in threaded connection with screws corresponding to the periphery of the placing seat, the bottoms of the screws are in threaded connection with a fixing plate, the top of the fixing plate is fixedly connected with a heating groove, and a heating piece is fixedly connected into the heating groove. According to the deep-hole plate heating and fixing device of the full-automatic nucleic acid extractor, a deep-hole plate is placed at the bottom of the placement strip, the deep-hole plate can be heated in a targeted manner through the heating pieces in one-to-one correspondence, and the reliability of temperature transfer is higher in the form that heat of the heating pieces is dissipated to wrap the bottom of the deep-hole plate; the one-to-one corresponding arrangement position change matching of the heating sheets aims at a large-size deep hole plate, and the extraction accuracy can be better improved.

Description

Technical Field

[0001] The utility model relates to the technical field of deep-well plate heating, in particular to a deep-well plate heating and fixing device of a full-automatic nucleic acid extractor. Background Art

[0002] The deep-well plate heating of the fully automatic nucleic acid extractor is an important part of the nucleic acid extraction process. It is designed to ensure that the sample is at a suitable temperature during the nucleic acid extraction process to improve the extraction efficiency and result accuracy.

[0003] The existing deep well plate heating device heating plate cannot perform targeted heating one by one, and cannot guarantee good improvement of extraction accuracy, so it needs to be improved. Utility Model Content

[0004] The utility model aims to provide a deep-well plate heating and fixing device for a fully automatic nucleic acid extractor to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a deep well plate heating and fixing device for a fully automatic nucleic acid extractor, comprising a base, a heating mechanism is installed at the bottom and top of the base, and a limiting mechanism is installed at the bottom of the heating mechanism;

[0006] The heating mechanism includes a placement bar, which is fixedly connected to the bottom of the base. The bottom of the base is threadedly connected with screws around the corresponding placement seat. The bottom of the screw is threadedly connected with a fixing plate. The top of the fixing plate is fixedly connected with a heating groove, and a heating plate is fixedly connected in the heating groove.

[0007] Preferably, the placement bars are distributed in an E-shape on the top of the bottom plate, and the placement bars are fixedly connected to the base by screws.

[0008] Preferably, the base is provided with a heating port on the inner side of the placement strip corresponding to the heating groove, and the size of the heating port is the same as the size of the inner circle of the heating groove.

[0009] Preferably, the limiting mechanism includes a limiting frame, which is arranged at the bottom of the placement bar, a limiting block is clamped on the outer side of the limiting frame, a T-shaped strip is fixedly connected to the outer side of the limiting block, a spring is fixedly connected to the middle of the outer side of the limiting block, and a plug-in strip is clamped on the inner side of the limiting frame.

[0010] Preferably, installation grooves are provided on both sides of the placement bar corresponding to the limit blocks, the limit blocks are placed in the installation grooves, T-shaped grooves are provided on the outer side of the placement bar corresponding to the T-shaped strip, and the T-shaped strip is slidably connected in the T-shaped grooves.

[0011] Preferably, a plug-in slot is provided in the middle of the placement strip, a plug-in strip is plugged into the plug-in slot, a limiting slot is provided in the plug-in strip corresponding to the limiting frame, and the limiting frame is snapped into the limiting slot.

[0012] Compared with the prior art, the utility model provides a deep-well plate heating and fixing device for a fully automatic nucleic acid extractor, which has the following beneficial effects:

[0013] 1. The deep-well plate heating and fixing device of the fully automatic nucleic acid extractor places the deep-well plate at the bottom of the placement strip through the provided heating mechanism, and can be heated in a targeted manner through the one-to-one corresponding heating plates. The heat of the heating plates is emitted to wrap the bottom of the deep-well plate, making the temperature transfer more reliable. The one-to-one arrangement position of the heating plates is changed to match a large-volume deep-well plate, which can better improve the accuracy of extraction.

[0014] 2. The deep-well plate heating and fixing device of the fully automatic nucleic acid extractor places the deep-well plate at the bottom of the placement bar through the setting of the limiting mechanism. At this time, one side of the limiting frame is first inserted into the plug-in slot of the plug-in bar, and the other side can be easily inserted into the limiting block through the cooperation of the spring and the T-bar, so that the deep-well plate can be fixed by the limiting frame, thereby ensuring the accuracy of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0016] Figure 1 It is a schematic diagram of one side of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure coordination of the placement bar, base, etc.;

[0018] Figure 3 It is a schematic diagram of the coordination of the fixed plate, heating plate, etc.;

[0019] Figure 4 It is a schematic diagram of the coordination of the limiting mechanism;

[0020] Figure 5 This is a schematic diagram of the placement of the strip, base, and heating port.

[0021] In the figure: 1. base; 2. heating mechanism; 21. screw; 22. fixing plate; 23. heating slot; 24. heating plate; 25. placement bar; 26. heating port; 3. limiting mechanism; 31. spring; 32. T-bar; 321. T-slot; 33. limiting block; 34. limiting frame; 35. plug-in strip; 36. limiting slot; 37. installation slot; 38. plug-in slot. DETAILED DESCRIPTION

[0022] 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.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The utility model provides the following technical solutions: Example

[0025] See also Figure 1-5 , a deep well plate heating and fixing device for a fully automatic nucleic acid extractor, comprising a base 1, a heating mechanism 2 is installed at the bottom and the top of the base 1, and a limiting mechanism 3 is installed at the bottom of the heating mechanism 2;

[0026] The heating mechanism 2 includes a placement bar 25, which is fixedly connected to the bottom of the base 1. The bottom of the base 1 is threadedly connected with screws 21 around the corresponding placement seat, and the bottom of the screw 21 is threadedly connected with a fixing plate 22. The top of the fixing plate 22 is fixedly connected with a heating groove 23, and a heating plate 24 is fixedly connected in the heating groove 23. Through the setting of the heating mechanism 2, the deep-well plate is placed at the bottom of the placement bar 25, and the heating can be targeted through the one-to-one corresponding heating plate 24. The heat of the heating plate 24 is emitted to wrap the bottom of the deep-well plate, which makes the temperature transfer more reliable. The one-to-one arrangement position change of the heating plate 24 matches a large-volume deep-well plate, which can better improve the accuracy of extraction.

[0027] The placement bars 25 are distributed on the top of the bottom plate in an E shape, and the placement bars 25 are fixedly connected to the base 1 by screws 21 .

[0028] The base 1 is provided with a heating port 26 on the inner side of the placement bar 25 corresponding to the heating groove 23 , and the size of the heating port 26 is the same as the inner circle size of the heating groove 23 . Example

[0029] See also Figure 1-5 , and on the basis of the first embodiment, the limiting mechanism 3 further comprises a limiting frame 34, the limiting frame 34 is arranged at the bottom of the placement bar 25, the limiting block 33 is clamped on the outside of the limiting frame 34, the T-shaped bar 32 is fixedly connected to the outside of the limiting block 33, the spring 31 is fixedly connected to the middle of the outside of the limiting block 33, and the plug-in bar 35 is clamped on the inside of the limiting frame 34. Through the setting of the limiting mechanism 3, after the deep-well plate is placed at the bottom of the placement bar 25, one side of the limiting frame 34 is first inserted into the plug-in slot 38 of the plug-in bar 35, and the other side can be easily inserted into the limiting block 33 through the cooperation of the spring 31 and the T-shaped bar 32, so that the deep-well plate can be fixed by the limiting frame 34, and the accuracy of the experiment is ensured.

[0030] Mounting grooves 37 are provided on both sides of the placement bar 25 corresponding to the limit blocks 33 , and the limit blocks 33 are placed in the mounting grooves 37 . T-shaped grooves 321 are provided on the outer side of the placement bar 25 corresponding to the T-shaped bar 32 , and the T-shaped bar 32 is slidably connected in the T-shaped grooves 321 .

[0031] An inserting groove 38 is defined in the middle of the placement strip 25 , and the inserting strip 35 is inserted into the inserting groove 38 . The inserting strip 35 defines a limiting groove 36 corresponding to the limiting frame 34 , and the limiting frame 34 is snap-fitted into the limiting groove 36 .

[0032] In actual operation, when this device is used, the deep well plate is placed at the bottom of the placement strip 25, and can be heated in a targeted manner through the one-to-one corresponding heating plates 24. The heat of the heating plates 24 is emitted to wrap the bottom of the deep well plate, making the temperature transfer more reliable. The one-to-one arrangement position change of the heating plates 24 is matched to a large volume deep well plate, which can better improve the accuracy of extraction.

[0033] After the deep-well plate is placed at the bottom of the placement bar 25, one side of the limit frame 34 is first inserted into the insertion groove 38 of the insertion bar 35, and the other side can be easily inserted into the limit block 33 through the cooperation of the spring 31 and the T-shaped bar 32, so that the deep-well plate can be fixed by the limit frame 34, thereby ensuring the accuracy of the experiment.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A deep-well plate heating and fixing device for a fully automatic nucleic acid extraction instrument, comprising a base (1), characterized in that: The bottom and top of the base (1) are both equipped with a heating mechanism (2), and the bottom of the heating mechanism (2) is equipped with a limiting mechanism (3); The heating mechanism (2) comprises a placement bar (25), the placement bar (25) being fixedly connected to the bottom of the base (1), the bottom of the base (1) being threadedly connected with screws (21) around the corresponding placement seat, the bottom of the screw (21) being threadedly connected with a fixing plate (22), the top of the fixing plate (22) being fixedly connected with a heating groove (23), and the heating groove (23) being fixedly connected with a heating plate (24) inside.

2. The deep-well plate heating and fixing device of a fully automatic nucleic acid extractor according to claim 1, characterized in that: The placement bars (25) are distributed in an E-shape on the top of the bottom plate, and the placement bars (25) are fixedly connected to the base (1) via screws (21).

3. The deep-well plate heating and fixing device of a fully automatic nucleic acid extractor according to claim 1, characterized in that: The base (1) is provided with a heating port (26) on the inner side of the placement strip (25) corresponding to the heating groove (23); the size of the heating port (26) is the same as the size of the inner circle of the heating groove (23).

4. The deep-well plate heating and fixing device of a fully automatic nucleic acid extractor according to claim 1, characterized in that: The limiting mechanism (3) comprises a limiting frame (34), the limiting frame (34) being arranged at the bottom of the placement strip (25), the limiting block (33) being clamped on the outside of the limiting frame (34), the T-shaped strip (32) being fixedly connected to the outside of the limiting block (33), a spring (31) being fixedly connected to the middle of the outside of the limiting block (33), and the plug-in strip (35) being clamped on the inside of the limiting frame (34).

5. The deep-well plate heating and fixing device of a fully automatic nucleic acid extractor according to claim 4, characterized in that: The placement strip (25) has mounting grooves (37) on both sides corresponding to the limit blocks (33), the limit blocks (33) are placed in the mounting grooves (37), the placement strip (25) has a T-shaped groove (321) on the outside corresponding to the T-shaped strip (32), and the T-shaped strip (32) is slidably connected in the T-shaped groove (321).

6. The deep-well plate heating and fixing device of a fully automatic nucleic acid extractor according to claim 4, characterized in that: The placement strip (25) is provided with a plug-in slot (38) in the middle, the plug-in strip (35) is plugged into the plug-in slot (38), the plug-in strip (35) is provided with a limit slot (36) corresponding to the limit frame (34), and the limit frame (34) is snap-fitted into the limit slot (36).

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