CN211436492U - Grinder is used in nucleic acid extraction laboratory - Google Patents
Grinder is used in nucleic acid extraction laboratory Download PDFInfo
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- CN211436492U CN211436492U CN201922107339.2U CN201922107339U CN211436492U CN 211436492 U CN211436492 U CN 211436492U CN 201922107339 U CN201922107339 U CN 201922107339U CN 211436492 U CN211436492 U CN 211436492U
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Abstract
The utility model relates to the technical field of experimental equipment, and discloses a grinding device for a nucleic acid extraction laboratory, which solves the problems of time and labor consumption of a manual grinding method and easy splashing of nucleic acid from a mortar port during grinding, and comprises a base, wherein a mortar is fixed at the upper end of the base, a supporting plate is vertically fixed at one side of the top end of the base, a slot is arranged at one side of the supporting plate close to the mortar, an adjusting screw rod is rotatably installed inside the slot, a moving block is connected onto the adjusting screw rod through screw threads, a transverse plate is fixed on the outer wall of the moving block, a speed reduction motor is arranged at the upper end of the transverse plate, the output end of the speed reduction motor penetrates through the transverse plate, a rotating rod is concentrically fixed at the output end of the speed reduction motor, a mortar pestle is inserted at the bottom end of the rotating rod in a sliding manner, a protective cover is arranged on, thereby avoiding nucleic acid splash during grinding.
Description
Technical Field
The utility model relates to an experimental facilities technical field especially relates to a grinder is used in nucleic acid extraction laboratory.
Background
Nucleic acids are biomacromolecules synthesized by the polymerization of many nucleotides, and are one of the most basic substances of life. Nucleic acid is widely present in all animal and plant cells and microorganisms, and nucleic acid in organisms is often combined with protein to form nucleoprotein. Different nucleic acids differ in their chemical composition, nucleotide arrangement order, and the like. Nucleic acids are classified into ribonucleic acids (abbreviated as RNA) and deoxyribonucleic acids (abbreviated as DNA) according to their chemical compositions. In the nucleic acid extraction experiment, the nucleic acid particles with larger volume need to be ground to improve the precision of the experiment, at present, the mortar device used in the laboratory is usually ground manually, the grinding method is time-consuming and labor-consuming, and the nucleic acid is easy to splash out from the mortar port during grinding, so we propose a grinding device for the nucleic acid extraction laboratory to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the artifical grinding method that exists among the prior art and consuming time and power, and the shortcoming of the easy follow mortar mouth spill of nucleic acid when just grinding, and the grinder is used in laboratory of a nucleic acid extraction that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a grinder is used in nucleic acid extraction laboratory, includes the base, the base upper end is fixed with the mortar, and the vertical backup pad that is fixed with in base top one side, the backup pad is close to the fluting has been seted up to one side of mortar, grooved internal rotation installs accommodate the lead screw, threaded connection has the movable block on the accommodate the lead screw, and is fixed with the diaphragm on the outer wall of movable block, the upper end of diaphragm is provided with gear motor, gear motor's output runs through the diaphragm, and gear motor's output is fixed with the bull stick with one heart, the bottom of rotary rod is slided and is inserted and be equipped with the mortar pestle, and slidable mounting has the protection casing on the outer wall of rotary rod, the top of mortar pestle with be fixed with the second spring between the rotary rod, and the bottom mounting of mortar.
Preferably, the standing groove has been seted up to the base upper end, the inside slidable mounting of standing groove has to the board, be fixed with first spring between board and the standing groove bottom surface, and the equal vertical bracing piece that is provided with in both sides of standing groove, the bottom mounting of bracing piece is in on the base, and the top of both sides bracing piece is close to one side each other and is fixed with L type dead lever.
Preferably, the mortar is placed on the abutting plate, fixing holes are formed in two sides of the top end of the mortar, and the fixing holes are matched with the L-shaped fixing rods.
Preferably, the top end of the adjusting screw rod penetrates through the top end of the supporting plate, and a rotating button is fixed at the top end of the adjusting screw rod.
Preferably, the bottom of rotary rod is provided with the cavity, the mortar pestle is inserted and is established in the cavity, and is fixed with the slider on the upper end outer wall of mortar pestle, set up along its length direction on the inner wall of cavity with the spout of slider looks adaptation.
Preferably, the protection casing is tubaeform, and the one end that the protection casing internal diameter is little is fixed with solid fixed ring, and the other end internal diameter of protection casing is less than the internal diameter of mortar, gu fixed ring cover is established on the rotary rod, and gu fixed ring with rotary rod sliding fit.
Preferably, the number of the grinding heads is three.
The utility model has the advantages that:
1. this device passes through gear motor and drives the slow rotation of mortar pestle, makes the grinding head rotate simultaneously to reduce manpower intensity of labour, and through the cover on the rotary rod be equipped with the protection casing, through the opening part to the protection casing joint at the mortar when grinding, thereby the spill of nucleic acid when having avoided the grinding.
2. Through placing the mortar on supporting the board, and press the mortar downwards, make L type dead lever insert and establish in the fixed orifices of mortar upper end to be convenient for to the fixed of mortar and dismantle during the grinding.
Drawings
FIG. 1 is a schematic structural view of a grinding device for a nucleic acid extraction laboratory according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic diagram of a structure of a moving block in a grinding device for a nucleic acid extraction laboratory according to the present invention;
FIG. 4 is a schematic diagram of a mortar installation structure of a grinding device for a nucleic acid extraction laboratory according to the present invention;
FIG. 5 is a schematic diagram of a top view of a mortar in a grinding device for a nucleic acid extraction laboratory according to the present invention.
In the figure: the automatic grinding machine comprises a base 1, a placing groove 2, a pressing plate 3, a first spring 4, a mortar 5, a supporting plate 6, a groove 7, an adjusting screw rod 8, a moving block 9, a transverse plate 10, a speed reducing motor 11, a rotating rod 12, a cavity 13, a mortar pestle 14, a second spring 15, a grinding head 16, a sliding block 17, a sliding groove 18, a protective cover 19, a fixing ring 20, a fixing hole 21, a supporting rod 22 and a fixing rod 23L.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a grinding device for a nucleic acid extraction laboratory, comprising a base 1, wherein a mortar 5 is fixed at the upper end of the base 1, a placing groove 2 is arranged at the upper end of the base 1, a supporting plate 3 is slidably mounted inside the placing groove 2, a first spring 4 is fixed between the supporting plate 3 and the bottom surface of the placing groove 2, supporting rods 22 are vertically arranged at both sides of the placing groove 2, the bottom ends of the supporting rods 22 are fixed on the base 1, an L-shaped fixing rod 23 is fixed at one side of the top ends of the supporting rods 22 at both sides close to each other, the mortar 5 is placed on the supporting plate 3, fixing holes 21 are arranged at both sides of the top end of the mortar 5, the fixing holes 21 are matched with the L-shaped fixing rods 23, a supporting plate 6 is vertically fixed by a bolt at one side of the top end of the base 1, a slot 7 is arranged at one side of the supporting plate 6 close to the mortar 5, an adjusting screw, the top end of the adjusting screw rod 8 penetrates through the top end of the supporting plate 6, a rotating button is fixed at the top end of the adjusting screw rod 8, the adjusting screw rod 8 is convenient to rotate, a moving block 9 is connected to the adjusting screw rod 8 in a threaded manner, a threaded hole matched with the moving block 9 is formed in the moving block 9, the moving block 9 is matched with the inner wall of the groove 7 in a sliding manner, a transverse plate 10 is fixed on the outer wall of the moving block 9 through screws, a speed reducing motor 11 is installed at the upper end of the transverse plate 10, the output end of the speed reducing motor 11 penetrates through the transverse plate 10, a rotating rod 12 is concentrically fixed at the output end of the speed reducing motor 11, a mortar 14 is inserted at the bottom end of the rotating rod 12 in a sliding manner, a cavity 13 is formed in the bottom end of the rotating rod 12, the mortar 14 is inserted in the cavity 13, the lower end of the mortar 14 extends to the lower portion of the rotating rod 12, a sliding block 17 is fixedly welded to the outer wall, so that the pestle 14 is driven to rotate when the rotating rod 12 rotates, and the protective cover 19 is slidably arranged on the outer wall of the rotating rod 12, the protective cover 19 is horn-shaped, and the small inner diameter end of the protective cover 19 is fixed with a fixed ring 20, the inner diameter of the other end of the protective cover 19 is smaller than the inner diameter of the mortar 5, the fixed ring 20 is sleeved on the rotating rod 12, and the fixed ring 20 is in sliding fit with the rotary rod 12, a second spring 15 is fixed between the top end of the mortar pestle 14 and the rotary rod 12, one end of the second spring 15 is welded and fixed with the mortar pestle 14, the other end of the second spring 15 is welded on the bottom surface of the cavity 13, and the bottom end of the mortar pestle 14 is fixed with a grinding head 16, the grinding head 16 is positioned right above the resisting plate 3, the number of the grinding heads 16 is three, one of the grinding heads 16 is located directly below the pestle 14, and the other two are located on both sides thereof, respectively, so as to improve the grinding effect.
In this embodiment, a mortar 5 is placed on the support plate 3, the support plate 3 is pressed downward to press the first spring 4, the mortar 5 is moved downward, the L-shaped fixing rod 23 is inserted into the fixing hole 21, the mortar 5 is loosened, the support plate 3 is pressed by the first spring 4 to fix the mortar 5, nucleic acid is placed in the mortar 5, the adjusting screw 8 is rotated by rotating the rotary knob to rotate the moving block 9, the cross plate 10 is moved downward by the moving block 9, the mortar 14 is moved downward, the polishing head 16 is positioned in the mortar 5 and contacts with the bottom surface of the mortar 5, the protective cover 19 is slid downward to clamp the protective cover 19 to the port of the mortar 5, the reduction motor 11 is turned on, the rotary rod 12 is rotated by the reduction motor 11, the mortar 14 and the polishing head 16 are simultaneously rotated to polish the nucleic acid, and the mortar 14 presses the second spring 15 during the polishing process, the grinding bit 16 is caused to abut against the bottom of the mortar 5 by the reaction force of the second spring 15, thereby facilitating the grinding thereof.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The grinding device for the nucleic acid extraction laboratory comprises a base (1) and is characterized in that a mortar (5) is fixed at the upper end of the base (1), a supporting plate (6) is vertically fixed on one side of the top end of the base (1), a groove (7) is formed in one side, close to the mortar (5), of the supporting plate (6), an adjusting screw rod (8) is rotatably installed inside the groove (7), a moving block (9) is connected to the adjusting screw rod (8) in a threaded mode, a transverse plate (10) is fixed on the outer wall of the moving block (9), a speed reduction motor (11) is arranged at the upper end of the transverse plate (10), the output end of the speed reduction motor (11) penetrates through the transverse plate (10), a rotating rod (12) is concentrically fixed to the output end of the speed reduction motor (11), a mortar pestle (14) is slidably inserted into the bottom end of the rotating rod (12), and a protective cover (19) is slidably, a second spring (15) is fixed between the top end of the mortar pestle (14) and the rotating rod (12), and a grinding head (16) is fixed at the bottom end of the mortar pestle (14).
2. The grinding device for the nucleic acid extraction laboratory according to claim 1, wherein a placing groove (2) is formed in the upper end of the base (1), a supporting plate (3) is slidably mounted inside the placing groove (2), a first spring (4) is fixed between the supporting plate (3) and the bottom surface of the placing groove (2), supporting rods (22) are vertically arranged on both sides of the placing groove (2), the bottom ends of the supporting rods (22) are fixed on the base (1), and L-shaped fixing rods (23) are fixed on the side, close to each other, of the top ends of the supporting rods (22) on both sides.
3. The grinding device for the nucleic acid extraction laboratory according to claim 2, wherein the mortar (5) is placed on the abutting plate (3), fixing holes (21) are formed in both sides of the top end of the mortar (5), and the fixing holes (21) are matched with the L-shaped fixing rods (23).
4. The grinding device for nucleic acid extraction laboratories as defined in claim 1, wherein the top end of the adjusting screw (8) penetrates the top end of the support plate (6), and a rotary knob is fixed to the top end of the adjusting screw (8).
5. The grinding device for the nucleic acid extraction laboratory according to claim 1, wherein a cavity (13) is formed at the bottom end of the rotating rod (12), the mortar pestle (14) is inserted into the cavity (13), a sliding block (17) is fixed on the outer wall of the upper end of the mortar pestle (14), and a sliding groove (18) matched with the sliding block (17) is formed in the inner wall of the cavity (13) along the length direction of the sliding block.
6. The grinding device for the nucleic acid extraction laboratory according to claim 1, wherein the protective cover (19) is horn-shaped, a fixing ring (20) is fixed at one end of the protective cover (19) with a small inner diameter, the inner diameter of the other end of the protective cover (19) is smaller than the inner diameter of the mortar (5), the fixing ring (20) is sleeved on the rotating rod (12), and the fixing ring (20) is in sliding fit with the rotating rod (12).
7. The nucleic acid extraction laboratory grinding device of claim 1, wherein the number of grinding heads (16) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922107339.2U CN211436492U (en) | 2019-11-29 | 2019-11-29 | Grinder is used in nucleic acid extraction laboratory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922107339.2U CN211436492U (en) | 2019-11-29 | 2019-11-29 | Grinder is used in nucleic acid extraction laboratory |
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| CN211436492U true CN211436492U (en) | 2020-09-08 |
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| CN201922107339.2U Active CN211436492U (en) | 2019-11-29 | 2019-11-29 | Grinder is used in nucleic acid extraction laboratory |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473956A (en) * | 2020-11-10 | 2021-03-12 | 常德东旺建材科技有限责任公司 | Tombarthite waste material is rubble separator for recovery |
| CN112657648A (en) * | 2020-12-08 | 2021-04-16 | 江苏材睿科技有限公司 | Fine grinding device for special refractory material |
| CN112718108A (en) * | 2020-12-21 | 2021-04-30 | 李春艳 | Traditional chinese medical science internal medicine pressure grinds device |
| CN115178358A (en) * | 2022-06-23 | 2022-10-14 | 山东农业大学 | Method and device for rapidly obtaining stably expressed apple transgenic root system |
-
2019
- 2019-11-29 CN CN201922107339.2U patent/CN211436492U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473956A (en) * | 2020-11-10 | 2021-03-12 | 常德东旺建材科技有限责任公司 | Tombarthite waste material is rubble separator for recovery |
| CN112657648A (en) * | 2020-12-08 | 2021-04-16 | 江苏材睿科技有限公司 | Fine grinding device for special refractory material |
| CN112718108A (en) * | 2020-12-21 | 2021-04-30 | 李春艳 | Traditional chinese medical science internal medicine pressure grinds device |
| CN115178358A (en) * | 2022-06-23 | 2022-10-14 | 山东农业大学 | Method and device for rapidly obtaining stably expressed apple transgenic root system |
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