CN214270846U - Stirring fixed part that nucleic acid extraction appearance was used - Google Patents
Stirring fixed part that nucleic acid extraction appearance was used Download PDFInfo
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- CN214270846U CN214270846U CN202022816343.9U CN202022816343U CN214270846U CN 214270846 U CN214270846 U CN 214270846U CN 202022816343 U CN202022816343 U CN 202022816343U CN 214270846 U CN214270846 U CN 214270846U
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Abstract
The utility model relates to a stirring fixed part that nucleic acid extraction appearance was used, include: the rack plate, the fixed plate, the bearing bin and the magnetic rods are transversely and longitudinally arranged on the fixed plate; the two sides of the frame plate are provided with a strip-shaped notch in a mirror image manner, a strip plate is clamped in the strip-shaped notch, and the strip plate is provided with a positioning screw hole; the frame plate is provided with a placing notch, the side wall of the placing notch is provided with a first threaded through hole, the side wall of the fixing plate is provided with a second threaded through hole, and each positioning screw hole is coaxially arranged with one first threaded through hole; the bearing bin is fixedly borne on the frame plate, the fixed plate is fixedly connected with the frame plate, and the long strip plate is fixedly connected with the bearing bin and attached to the bearing bin. The protection of the connecting position of the frame plate and the fixing plate is realized by the strip-shaped notch matching with the long strip plate, and the first thread through hole and the positioning screw hole are matched with each other to plug the second thread through hole so as to protect the whole space; the long lath and the bearing bin are mutually attached, so that the integral firmness is enhanced.
Description
Technical Field
The utility model relates to a nucleic acid extraction appearance particularly, relates to a stirring fixed part that nucleic acid extraction appearance was used.
Background
Chinese patent application No. CN202010684707.4 discloses a high-flux portable nucleic acid extractor based on a magnetic bead method and an operation method thereof. The device comprises the following components: the device comprises a base, a sample storage tank, a sample processing device and a control device, wherein a deep hole plate and two guide rails are movably arranged on the base, and a plurality of sample holes are formed in the deep hole plate; the magnetic bead stirring mechanism is arranged between the two guide rails above the deep hole plate in a sliding manner and is used for uniformly stirring the extract to be extracted in the sample hole and the magnetic beads; go up and adsorb magnetic force mechanism, the slip setting is between two guide rails that are located magnetic bead rabbling mechanism top for with magnetic bead rabbling mechanism cooperation work in order to adsorb the magnetic bead to the magnetic bead rabbling mechanism on. The device adopts the mechanical upper adsorption magnetic frame, is more convenient and faster than the lower adsorption operation in the market at present, and does not need power supply for operation; the magnetic action adsorption surface of the magnetic rod is reduced to a small area on the cross section of the columnar bottom of the magnetic rod, so that the ineffective loss of magnetic beads is reduced, and the nucleic acid extraction efficiency is improved.
The magnetic bead structure has the following disadvantages: the fixing effect is general, and is relatively complex when the magnetic rod is disassembled and assembled.
Therefore, it is necessary to provide a stirring fixing part for a nucleic acid isolation instrument, which has a good fixing effect and is convenient for mounting a magnetic rod.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed respond well surely be convenient for install stirring fixed part that nucleic acid extraction appearance of bar magnet was used to solve above-mentioned problem.
In order to achieve the above object, the embodiment of the present invention provides a stirring fixed part for a nucleic acid extraction apparatus, including: the rack plate, the fixed plate, the bearing bin and the plurality of magnetic rods are transversely and longitudinally arranged on the fixed plate;
two sides of the frame plate are provided with a strip-shaped notch in a mirror image manner, a long strip plate is clamped in the strip-shaped notch, and the long strip plate is provided with a positioning screw hole;
the frame plate is provided with a placing notch matched with the fixing plate, the side wall of the placing notch is provided with a plurality of first threaded through holes, the side wall of the fixing plate is provided with a plurality of second threaded through holes, and each positioning screw hole is coaxially arranged with one first threaded through hole;
bear the storehouse and bear the weight of fixedly on the frame plate, the fixed plate with the frame plate passes through first screw thread through-hole with second screw thread through-hole fixed connection, the rectangular board pass through second screw thread through-hole with location screw with frame plate fixed connection and rectangular board laminating bear the storehouse.
Preferably, one end of the strip-shaped notch is provided with a suspension cavity;
the end of the long strip plate is provided with a erection lug which is clamped in the suspension cavity.
Preferably, the mirror image on the frame plate is provided with a U-shaped notch and an arc-shaped notch, and the bottoms of the U-shaped notch and the arc-shaped notch are provided with connecting ports;
the side wall of the long slat is attached to the U-shaped notch and the arc-shaped notch.
Preferably, the bottom of the placing notch is provided with a plurality of weight reducing notches, edges of the weight reducing notches are rounded, and edges of the placing notch are rounded.
Preferably, an operation through groove is formed in the frame plate between the placing groove opening and the bearing bin, and an inclined edge is guided at the edge of the operation through groove.
Preferably, the stirring fixing part for the nucleic acid extractor comprises a back frame plate fixed on the bearing bin; a vertical hanging ear arranged on the back of the back frame plate in a mirror image manner,
and a folding gasket is fixed at the back of the vertical suspension loop.
Preferably, the end face of the placing notch is provided with a plurality of adjusting positioning holes.
The utility model has the advantages that:
1. the frame plate and the fixing plate are matched with the bearing bin, so that the fixing and forming of the whole structure are realized, the structure is simple, and the fixing is convenient;
2. through the long lath of bar notch adaptation, realize the protection to the hookup location between frame plate and the fixed plate to the effect of shutoff second screw thread through-hole is realized to the mutual adaptation of first screw thread through-hole and location screw, protects its whole space, and the integral erection of being convenient for goes on.
3. The long lath and the bearing bin are mutually attached, so that the integral firmness is enhanced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view showing a structure of a stirring fixing part for a nucleic acid isolation apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of a stirring fixing part for a nucleic acid isolation instrument according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a shelf board provided by an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a strip board provided by an embodiment of the present invention.
In the figure:
the frame plate 1, the strip-shaped notch 101, the placing notch 102, the adjusting positioning hole 1021, the first threaded through hole 103, the suspension cavity 104, the U-shaped notch 105, the arc-shaped notch 106, the connecting port 107, the weight-reducing notch 108, the operation through groove 109 and the inclined edge 1091;
the device comprises a fixed plate 2, a bearing bin 3 and a magnetic rod 4;
a long strip plate 5, a positioning screw hole 501 and a mounting lug 502;
a back frame plate 6, a vertical hanging lug 7 and a folding gasket 8.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-4, the utility model provides a stirring assembly for nucleic acid extraction instrument, which comprises a frame plate 1, wherein the frame plate 1 is used as a bearing main body and bears all components of the stirring assembly of the nucleic acid extraction instrument, wherein, the stirring assembly also comprises a magnetic rod 4 playing a stirring role, in order to fix the magnetic rod 4 on the frame plate 1, a placing notch 102 is arranged on the frame plate 1, a fixing plate 2 is arranged in the placing notch 102 which is mutually matched with the placing notch 102, the fixing plate 2 is clamped in the placing notch 102 of the frame plate 1 and is mutually fastened with the fixing plate 2 through the side wall of the placing notch 102; the fitting is that the size of the placing notch 102 is almost the same as the size of the clamping part of the fixing plate 2, and mutual fastening is realized, so that the fixing plate 2 is fixed on the frame plate 1; meanwhile, the bottom of the placing notch 102 is also provided with a plurality of weight-reducing notches 108, and the weight-reducing notches 108 are used for further fixedly arranging the fixing plate 2; the edges of the placement notches 102 and the weight-reduction notches 108 are rounded, and the provision of the rounded edges provides a smoother transition.
A plurality of magnetic rods 4 are transversely and longitudinally arranged on the fixed plate 2, and the magnetic rods 4 are suitable for being stretched into the bearing container and then are axially stirred in a reciprocating manner; the magnetic rods 4 are connected to the fixing plate 2 through threads, so that the stability and the use strength of each magnetic rod 4 are further enhanced.
Because of the existence of the magnetic rods 4 and the buffer among the magnetic rods 4, the damage to the cavity directly impacting the extracting solution on the whole is relatively small, and in order to improve the stability of the magnetic rods 4 in fixation in work, the side wall of the placing notch 102 is provided with a first threaded through hole 103, the side wall of the fixing plate 2 is provided with a plurality of second threaded through holes, each first threaded through hole 103 is coaxially provided with a positioning screw hole 501, and the fixing plate 2 is fixedly connected with the frame plate 1 through the first threaded through hole 103 and the second threaded through hole; a strip-shaped notch 101 is formed in the two sides of the frame plate 1 in a mirror image mode, a long strip plate 5 is clamped in the strip-shaped notch 101, a positioning screw hole 501 is formed in the long strip plate 5, and the long strip plate 5 is fixedly connected with the frame plate 1 through a second threaded through hole and the positioning screw hole 501; the arrangement of the series of threaded holes greatly improves the connection strength among the fixed plate 2, the frame plate 1 and the strip plate 5, thereby improving the stability of the magnetic rod 4 in the stirring process and ensuring the stability of the whole work of the magnetic rod 4; the long slat 5 of bar notch 101 adaptation realizes the protection to the hookup location between frame plate 1 and the fixed plate 2 to first screw through-hole 103 and the mutual adaptation of location screw 501 protect its whole space, the going on of the integral erection of being convenient for.
The mirror image on the frame plate 1 is provided with a U-shaped notch 105 and an arc-shaped notch 106, and the bottoms of the U-shaped notch 105 and the arc-shaped notch 106 are provided with connecting ports 107; the side walls of the long strip plates 5 are attached to the U-shaped notches 105 and the arc-shaped notches 106, and the frame plates 1 are connected with equipment through the connecting ports 107, so that the long strip plates 5 are stably connected with the frame plates 1; meanwhile, the end part of the long slat 5 is provided with a mounting lug 502, and one end of the strip-shaped notch 101 is provided with a suspension cavity 104; the erection lugs 502 are clamped in the suspension cavity 104 to fix the long lath 5 again, the erection lugs 502 of the long lath 5 are clamped in the suspension cavity 104 to fix one end of the long lath 5, and the long lath 5 is connected to the frame plate 1 through screws by the positioning screw holes 501 on the long lath 5, so that the long lath 5 is fixedly arranged on two sides of the frame plate 1; meanwhile, the long strip plate 5 is provided with the bearing bin 3 in a fitting manner, the bearing bin 3 is fixedly arranged above the frame plate 1, the side part of the bearing bin 3 is attached to the long strip plate 5, the longitudinal section of the bearing bin 3 is of a trapezoidal structure, and the arrangement of the bearing bin 3 increases various bearing devices and reagents, so that the stirring efficiency is effectively improved; the long strip plate 5 and the bearing bin 3 are mutually attached, the integral firmness is enhanced, and the structure is simple and convenient to fix.
Only one side of the bearing bin 3 is limited by the long strip plates 5, in order to improve the stability of the bearing bin 3, the back of the bearing bin 3 is also provided with a back frame plate 6, and the back frame plate 6 is used for supporting the other side of the bearing plate, so that the bearing plate is in a stable working state and cannot fall off; and the back mirror image of the back frame plate 6 is provided with a vertical hanging lug 7, the back of the vertical hanging lug 7 is fixed with a folding gasket 8, the folding gasket 8 is used for being matched with photoelectric detection, and after the folding gasket 8 reaches the position limited by the photoelectric sensor, the photoelectric sensor detects that the folding gasket is in place, so that the work of the next station is carried out.
An operation through groove 109 is formed in the frame plate 1 between the placing notch 102 and the bearing bin 3, the operation through groove 109 is used for arranging the whole frame plate 1 on a required operation table, and the whole frame plate 1 is fixed, so that the whole frame plate 1 can be stably arranged on the operation table, and a stable operation stirring process is realized; the edge of the operation through groove 109 is provided with an inclined edge 1091, and the arrangement of the inclined edge 1091 is favorable for fixing the operation through groove 109, so that the mounting stability is improved.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A stirring fixed part that nucleic acid extraction appearance was used, characterized by including: the rack plate, the fixed plate, the bearing bin and the plurality of magnetic rods are transversely and longitudinally arranged on the fixed plate;
two sides of the frame plate are provided with a strip-shaped notch in a mirror image manner, a long strip plate is clamped in the strip-shaped notch, and the long strip plate is provided with a positioning screw hole;
the frame plate is provided with a placing notch matched with the fixing plate, the side wall of the placing notch is provided with a plurality of first threaded through holes, the side wall of the fixing plate is provided with a plurality of second threaded through holes, and each positioning screw hole is coaxially arranged with one first threaded through hole;
bear the storehouse and bear the weight of fixedly on the frame plate, the fixed plate with the frame plate passes through first screw thread through-hole with second screw thread through-hole fixed connection, the rectangular board pass through second screw thread through-hole with location screw with frame plate fixed connection and rectangular board laminating bear the storehouse.
2. The nucleic acid extraction instrument of claim 1, wherein the stirring fixture,
one end of the strip-shaped notch is provided with a suspension cavity;
the end of the long strip plate is provided with a erection lug which is clamped in the suspension cavity.
3. The nucleic acid extraction instrument of claim 2, wherein the stirring fixture,
the mirror image on the frame plate is provided with a U-shaped notch and an arc-shaped notch, and the bottoms of the U-shaped notch and the arc-shaped notch are provided with connecting ports;
the side wall of the long slat is attached to the U-shaped notch and the arc-shaped notch.
4. The nucleic acid extracting apparatus as set forth in claim 3, wherein the stirring fixing part,
the bottom of the placing notch is provided with a plurality of weight reducing notches, edges of the weight reducing notches are rounded, and edges of the placing notches are rounded.
5. The nucleic acid extracting apparatus as set forth in claim 4, wherein the stirring fixture is provided with a stirring section,
an operation through groove is formed in the frame plate between the placing groove opening and the bearing bin, and an inclined edge is guided at the edge of the operation through groove.
6. The nucleic acid extracting apparatus as set forth in claim 5, wherein the stirring fixture is provided with a stirring section,
the stirring fixing part for the nucleic acid extractor comprises a back frame plate fixed on the bearing bin; a vertical hanging ear arranged on the back of the back frame plate in a mirror image manner,
and a folding gasket is fixed at the back of the vertical suspension loop.
7. The nucleic acid extracting apparatus as set forth in claim 6, wherein the stirring fixture is provided with a stirring section,
the end face of the placing notch is provided with a plurality of adjusting positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816343.9U CN214270846U (en) | 2020-11-30 | 2020-11-30 | Stirring fixed part that nucleic acid extraction appearance was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816343.9U CN214270846U (en) | 2020-11-30 | 2020-11-30 | Stirring fixed part that nucleic acid extraction appearance was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214270846U true CN214270846U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022816343.9U Active CN214270846U (en) | 2020-11-30 | 2020-11-30 | Stirring fixed part that nucleic acid extraction appearance was used |
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| Country | Link |
|---|---|
| CN (1) | CN214270846U (en) |
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2020
- 2020-11-30 CN CN202022816343.9U patent/CN214270846U/en active Active
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