CN217628408U - Nucleic acid extraction apparatus - Google Patents

Abstract

The utility model discloses a nucleic acid extraction device, which comprises a case, wherein a display unit bearing plate is arranged at the top of the outer side of the case, a rectangular groove and a strip-shaped groove which extend from right to left and are communicated with each other are sequentially arranged on the right side surface of the display unit bearing plate from top to bottom, display units are arranged in the rectangular groove and the strip-shaped groove, a pair of sliding grooves are arranged on two opposite inner side walls of the rectangular groove, and the display units are suitable for moving back and forth along the sliding grooves; a magnetic bar device is arranged in the case, and a magnetic sleeve device is arranged below the magnetic bar device; the magnetic sleeve device comprises a motion assembly and a magnetic rod sleeve assembly, and the magnetic rod sleeve assembly is arranged on the motion assembly and moves up and down along with the motion assembly; the magnetic bar device is matched with the magnetic sleeve device. The utility model discloses a display screen locates quick-witted case outside top, does not occupy the space of quick-witted incasement portion, can effectively reduce quick-witted case holistic volume and weight like this, is convenient for deposit in the little space, also conveniently carries.

Description

Nucleic acid extraction apparatus

Technical Field

The utility model belongs to magnetic bead method nucleic acid extraction purification equipment field, concretely relates to nucleic acid extraction equipment.

Background

Nucleic acids, which are carriers of genetic information, are the material basis for gene expression; the first problem faced by all modern molecular biology detection technologies at present is how to separate and extract the required nucleic acid from a large number of samples quickly and effectively, and the quality and integrity of the nucleic acid sample are directly related to the success or failure of subsequent experiments, and an automatic nucleic acid extraction device with high efficiency, large flux and stability is a key device for solving the problem.

The display screen of present automatic nucleic acid extraction equipment is generally fixed to be set up at the first half of quick-witted case, can occupy the space of quick-witted incasement portion on the one hand to reduce the effectual nucleic acid extraction operating space of quick-witted incasement portion, will increase the volume of quick-witted case wholly, on the other hand easily by external environment pollution or by foreign object collision and damage, thereby shorten the life of automatic nucleic acid extraction equipment complete machine.

Disclosure of Invention

The utility model aims at providing a nucleic acid extraction equipment to solve the defect mentioned in the above-mentioned background art.

In order to achieve the purpose, the nucleic acid extraction equipment comprises a case, wherein a display unit bearing plate is installed at the top of the outer side of the case, a rectangular groove and a strip-shaped groove which extend from right to left and are communicated with each other are sequentially formed in the right side surface of the display unit bearing plate from top to bottom, display units are installed in the rectangular groove and the strip-shaped groove, a pair of sliding grooves are formed in two opposite inner side walls of the rectangular groove, the display units are suitable for moving back and forth along the sliding grooves, so that a display screen in each display unit extends out of the display unit bearing plate or is completely hidden in the display unit bearing plate, and the extending angle of the display screen is adjustable; a magnetic bar device is arranged in the case, and a magnetic sleeve device is arranged below the magnetic bar device; the magnetic sleeve device comprises a moving assembly and a magnetic rod sleeve assembly, and the magnetic rod sleeve assembly is mounted on the moving assembly and moves up and down along with the moving assembly; the magnetic rod device is matched with the magnetic sleeve device.

Furthermore, the display unit comprises a display screen, a display screen mounting frame and an electric control module, the electric control module is arranged in the control box, and the display screen is electrically connected with the electric control module through a wire harness; the display screen is rotationally installed on the display screen mounting bracket, and the display screen mounting bracket is suitable for moving back and forth along the sliding groove.

Furthermore, the display screen mounting frame comprises a rectangular plate, two side faces of the rectangular plate are respectively and fixedly provided with a side block, each side block is connected with a pair of mounting rods in a manner of being attached to the rectangular plate, the extending direction of the mounting rods is consistent with the sliding grooves, the distance between the outer side faces of the pair of side blocks is equivalent to the distance between the pair of sliding grooves, and the display screen is rotatably mounted at the tail ends of the pair of mounting rods through a rotating shaft; the rectangular plate is connected with the control box positioned right below the rectangular plate into a whole.

Further, the baffle is installed to the exit bottom in bar groove, the baffle part shelters from the export in bar groove.

Further, a wiring board is arranged on the back of the display screen, and the wiring harness is electrically connected to the electronic control module through the wiring board; one end of the wiring harness is fixed on the back face of the wiring board through the second clamping piece, and the other end of the wiring harness is fixed on the outer side wall of the control box through the first clamping piece.

Further, a magnetic strip is fixed on the groove wall of the sliding groove, and an iron sheet is wrapped on the outer surface of the mounting rod.

Furthermore, a first dustproof strip is arranged on the periphery of the outer edge of the top end of the case, and a second dustproof strip is arranged on the periphery of the outer edge of the bottom end of the display unit bearing plate.

Furthermore, a bearing is arranged at the center of the upper surface of the case, a truncated cone is arranged in the middle of the lower surface of the display unit bearing plate, and the outer surface of the truncated cone is tightly matched with the inner ring of the bearing.

Furthermore, a through hole is formed in the left side wall of the strip-shaped groove, and an external power supply is introduced into the through hole to supply power to the electronic control module.

Furthermore, a pull ring is arranged on the outer side wall of the display screen.

Further, the motion assembly comprises a transmission plate, a mounting plate, four strip-shaped holes, three rectangular grooves and four slots, wherein the strip-shaped holes and the slots are correspondingly arranged in pairs and communicated one by one, and the strip-shaped holes and the rectangular grooves are alternately arranged.

Further, the magnetic rod sleeve assembly comprises a bottom plate, an insertion plate, a plurality of communicating holes and a plurality of pipe bodies, the communicating holes are uniformly distributed on the surface of the insertion plate, the communicating holes and the pipe bodies are correspondingly arranged in pairs one by one and communicated with each other, and the bottom plate and the insertion plate are integrally formed.

Furthermore, the inserting plate is matched with the slot in size, the cross sections of the inserting plate and the slot are both in a dovetail shape, and the inserting plate is inserted into the slot.

Compared with the prior art, the beneficial effects of the utility model are that: on the one hand, the display screen is arranged at the top of the outer side of the case, the space inside the case is not occupied, so that the overall size and weight of the case can be effectively reduced, the case is convenient to store in a small space, and the case is also convenient to carry. On the other hand, the display screen extends outwards during operation through the sliding structure and is completely hidden inside during non-operation, so that the display screen can be effectively prevented from being polluted by external complex biochemical environment or being damaged by collision of foreign objects, and the service life of the display screen is greatly prolonged.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a diagram illustrating a horizontal extending state of the display screen according to an embodiment of the present invention;

FIG. 3 is a view illustrating a tilted state of the display panel of FIG. 2;

FIG. 4 is a supporting state diagram of the display screen of FIG. 3;

FIG. 5 is a right side view of FIG. 2;

FIG. 6 is an enlarged view of a portion circled at A in FIG. 5;

FIG. 7 is an enlarged view of a portion circled by B in FIG. 5;

FIG. 8 is a schematic perspective view of an internal structure of a display unit carrier plate according to an embodiment of the present invention (viewed from the right side of FIG. 1);

fig. 9 is a schematic structural view of a display screen mounting bracket according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a magnetic sleeve device according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a bar magnet sleeve assembly of the magnetic sleeve device according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a moving assembly of a magnetic sleeve device according to an embodiment of the present invention.

Reference numbers in the figures: 1-display screen, 11-wiring board, 12-second clamping piece, 13-pull ring, 2-case, 21-first dustproof strip, 22-bearing, 3-magnetic bar device, 4-magnetic sleeve device, 41-motion component, 411-transmission plate, 412-mounting plate, 413-strip hole, 414-rectangular groove, 415-slot, 42-magnetic bar sleeve component, 421-bottom plate, 422-plug plate, 423-communicating hole, 424-tube body, 5-display unit bearing plate, 51-second dustproof strip, 52-cone frustum, 6-strip groove, 61-equipment box, 62-first clamping piece, 63-baffle, 64-through hole, 7-rectangular groove, 71-sliding groove, 711-magnetic strip, 72-rectangular plate, 73-side block, 74-mounting rod, 741-iron sheet, 75-rotating shaft and 8-wiring harness.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described herein are merely some embodiments of the invention, and not all embodiments. Based on these embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

As shown in FIGS. 1-5 and 10, an embodiment of the nucleic acid extraction device of the present invention comprises a case 2, a display unit carrier plate 5 is installed on the top of the outside of the case 2, a rectangular groove 7 and a strip-shaped groove 6 which extend from right to left and are communicated with each other are sequentially formed on the right side surface of the display unit carrier plate 5 from top to bottom, display units are installed in the rectangular groove 7 and the strip-shaped groove 6, a pair of sliding grooves 71 are formed on two opposite inner side walls of the rectangular groove 7, the display units are suitable for moving back and forth along the sliding grooves 71, so that the display screen 1 in the display unit extends out of the display unit carrier plate 5 or is completely hidden in the display unit carrier plate 5, and the angle of the display screen 1 after extending out is adjustable; a magnetic rod device 3 is arranged inside the case 2, and a magnetic sleeve device 4 is arranged below the magnetic rod device 3; the magnetic sleeve device 4 comprises a moving assembly 41 and a magnetic rod sleeve assembly 42, wherein the magnetic rod sleeve assembly 42 is arranged on the moving assembly 41 and moves up and down along with the moving assembly 41; the magnetic rod device 3 is matched with the magnetic sleeve device 4. It should be noted that, for the sake of understanding, it can be assumed that the original state of the display unit loading plate 5 is solid, and then the structures such as the rectangular groove 7 and the strip-shaped groove 6 are processed therefrom, and the left ends of the rectangular groove 7 and the strip-shaped groove 6 are closed, that is, only the right side surface of the display unit loading plate 5 is opened to form a groove-shaped structure during processing. As shown in fig. 8, the rectangular groove 7 and the strip-shaped groove 6 are communicated with each other, and have the same length, different widths and different heights, the combination of the two is a T-shaped groove, the wider portion of the upper portion of the T-shaped groove is the rectangular groove 7, the narrower portion of the lower portion of the T-shaped groove is the strip-shaped groove 6, and the pair of sliding grooves 71 are formed in the side walls of the rectangular groove 7.

In this embodiment, in operation, the display unit is manually pulled out of the rectangular slot 7 and the display screen 1 is adjusted to a suitable angle for viewing by the operator. After the work is finished, the display screen 1 is manually laid flat to be flush with the rectangular groove 7, and then is pushed to the original position in the rectangular groove 7 to be completely hidden in the rectangular groove 7. The magnetic rod device 3 and the magnetic sleeve device 4 are matched to realize the extraction and purification of nucleic acid by a magnetic bead method, and the structural relationship, the motion relationship and the specific extraction and purification operation steps between the magnetic rod device 3 and the magnetic sleeve device 4 can refer to the prior art and are not described herein again. The display screen 1 is arranged at the top of the outer side of the case 2, does not occupy the space inside the case 2, can effectively reduce the whole volume and weight of the case 2, is convenient to place and use on a smaller workbench, improves the application range, and is convenient and labor-saving when being carried. The display screen 1 extends out of the rectangular groove 7 during working through the sliding structure based on the sliding groove 71 and is completely hidden in the rectangular groove 7 during non-working, so that the display screen can be effectively prevented from being polluted by an external complex biochemical environment or being damaged by collision of foreign objects, and the service life of the display screen is greatly prolonged.

In one embodiment, as shown in fig. 3, the display unit includes a display screen 1, a display screen mounting bracket and an electronic control module, the electronic control module is disposed in a control box 61, and the display screen 1 is electrically connected to the electronic control module through a wire harness 8; the display screen 1 is rotatably mounted on the display screen mounting bracket, and the display screen mounting bracket is suitable for moving back and forth along the sliding groove 71. The display screen 1 can rotate relative to the display screen mounting frame so as to be conveniently adjusted to a proper observation angle. The wiring harness 8 includes a power line and a data line therein, supplies power to the display screen 1, and provides interactive data.

In one embodiment, as shown in fig. 9, the display screen mounting bracket includes a rectangular plate 72, side blocks 73 are respectively fixedly disposed on two side surfaces of the rectangular plate 72, a pair of mounting rods 74 are connected to each side block 73 along the rectangular plate 72, the mounting rods 74 extend in the same direction as the sliding grooves 71, the distance between the outer side surfaces of the pair of side blocks 73 is equal to the distance between the pair of sliding grooves 71, and the display screen 1 is rotatably mounted at the ends of the pair of mounting rods 74 through a rotating shaft 75; the rectangular plate 72 is integrally connected to the control box 61 located directly below the rectangular plate. All the parts shown in fig. 9 are one piece and move synchronously when pulled. The side blocks 73 and the mounting rods 74 are located within the slide slots 71. When the display screen 1 is extended out of the external work, the display screen can rotate around the rotating shaft 75 to adjust the observation angle. As shown in fig. 4, when the angle of the display screen 1 is adjusted to the right, it is pushed to the left to be supported on the display unit carrier plate 5.

In one embodiment, as shown in fig. 4, a baffle 63 is installed at the bottom of the outlet of the strip-shaped groove 6, and the baffle 63 partially shields the outlet of the strip-shaped groove 6. The blocking plate 63 can prevent the control box 61 from sliding out of the strip-shaped groove 6, and since the control box 61 is integrated with the rectangular plate 72, the rectangular plate 72 can be prevented from sliding out of the rectangular groove 7 without limitation, and the maximum outward-extending displacement of the display screen 1 is limited, the displacement is reduced along with the increase of the width of the blocking plate 63 (the distance from the left side to the right side of the blocking plate 63 in fig. 4), and the displacement can be adjusted by changing the width of the blocking plate 63.

In one embodiment, as shown in fig. 3 and 6, a wiring board 11 is provided on the back surface of the display screen 1, and the wiring harness 8 is electrically connected to the electronic control module through the wiring board 11; one end of the wiring harness 8 is fixed to the back of the wiring board 11 by a second clip 12, and the other end is fixed to the outer side wall of the control box 61 by a first clip 62. The two clamping pieces fix the wiring harness 8 at two ends of the wiring harness 8 respectively, so that the wiring harness 8 can be effectively prevented from being pulled and damaged in the movement process.

In one embodiment, as shown in fig. 7, a magnetic strip 711 is fixed on a wall of the sliding groove 71, and an iron sheet 741 is wrapped on an outer surface of the mounting rod 74. When the display screen 1 is extended, the horizontal position of the display screen is fixed by the magnetic attraction between the magnetic stripe 711 and the iron sheet 741, so that the horizontal displacement is prevented. This magnetic attraction can be overcome by applying an external force, i.e. without affecting the manual pushing and pulling of the display screen 1.

In one embodiment, as shown in fig. 1, a first dust-proof strip 21 is disposed around the top outer edge of the chassis 2, and a second dust-proof strip 51 is disposed around the bottom outer edge of the display unit carrying plate 5.

In one embodiment, as shown in fig. 5, a bearing 22 is disposed at a central position of an upper surface of the chassis 2, a truncated cone 52 is disposed at a middle position of a lower surface of the display unit loading plate 5, and an outer surface of the truncated cone 52 is tightly fitted with an inner ring of the bearing 22. Therefore, the display unit bearing plate 5 can rotate 360 degrees through the bearing 22, so that the display screen 1 can rotate 360 degrees in the horizontal plane, and an operator can observe the display screen conveniently without dead angles.

In one embodiment, as shown in fig. 2, a through hole 64 is formed on a left side wall of the strip-shaped groove 6, and an external power source is introduced through the through hole 64 to supply power to the electronic control module. The control box 61 may be provided with a power interface connected to the electronic control module, and the power interface is connected to a power adapter cord with a plug, which is connected to an external power source via the through hole 64. The electronic control module may also have lines leading out for the circuitry (if any) within the enclosure 2.

In one embodiment, as shown in fig. 2, a pull ring 13 is provided on the outer side wall of the display screen 1. The pull ring 13 can provide operation convenience for manually pushing and pulling the display screen 1.

In one embodiment, as shown in fig. 10 and 12, the moving assembly 41 includes a driving plate 411, a mounting plate 412, four bar holes 413, three rectangular grooves 414, and four insertion grooves 415, the bar holes 413 and the insertion grooves 415 are disposed one-to-one in pairs and communicated with each other, and the bar holes 413 and the rectangular grooves 414 are disposed at intervals.

In one embodiment, as shown in fig. 10 and 11, the bar magnet sleeve assembly 42 includes a bottom plate 421, an insert plate 422, a plurality of communicating holes 423 and a plurality of tube bodies 424, the communicating holes 423 are uniformly distributed on the surface of the insert plate 422, the communicating holes 423 and the tube bodies 424 are arranged one-to-one in pairs and communicated with each other, and the bottom plate 421 and the insert plate 422 are integrally formed.

In one embodiment, as shown in fig. 11 and 12, insert plate 422 is sized to fit into slot 415, insert plate 422 and slot 415 are each dovetail-shaped in cross-section, and insert plate 422 is inserted into slot 415. The dovetail-shaped mounting structure is convenient to insert and connect on one hand, and the mounting contact surface is large on the other hand, so that the mounting is firmer.

The utility model relates to a control software adopts prior art.

Although a plurality of embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that a variety of changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The nucleic acid extraction equipment is characterized by comprising a case (2), wherein a display unit bearing plate (5) is installed at the top of the outer side of the case (2), a rectangular groove (7) and a strip-shaped groove (6) which extend from right to left and are communicated with each other are sequentially formed in the right side surface of the display unit bearing plate (5) from top to bottom, display units are installed in the rectangular groove (7) and the strip-shaped groove (6), a pair of sliding grooves (71) are formed in two opposite inner side walls of the rectangular groove (7), the display units are suitable for moving back and forth along the sliding grooves (71), so that a display screen (1) in each display unit extends out of the display unit bearing plate (5) or is completely hidden in the display unit bearing plate (5), and the angle of the display screen (1) after extending out is adjustable; a magnetic bar device (3) is arranged in the case (2), and a magnetic sleeve device (4) is arranged below the magnetic bar device (3); the magnetic sleeve device (4) comprises a moving assembly (41) and a magnetic rod sleeve assembly (42), and the magnetic rod sleeve assembly (42) is arranged on the moving assembly (41) and moves up and down along with the moving assembly; the magnetic rod device (3) is matched with the magnetic sleeve device (4).

2. The nucleic acid extraction device according to claim 1, wherein the display unit comprises a display screen (1), a display screen mounting frame and an electronic control module, the electronic control module is arranged in a control box (61), and the display screen (1) is electrically connected with the electronic control module through a wiring harness (8); the display screen (1) is rotatably mounted on the display screen mounting frame, and the display screen mounting frame is suitable for moving back and forth along the sliding groove (71).

3. The nucleic acid extraction apparatus according to claim 2, wherein the display screen mounting bracket includes a rectangular plate (72), side blocks (73) are respectively fixedly provided on both side surfaces of the rectangular plate (72), a pair of mounting bars (74) are connected to each of the side blocks (73) in such a manner as to abut against the rectangular plate (72), the mounting bars (74) extend in the same direction as the slide grooves (71), the distance between the outer side surfaces of the pair of side blocks (73) corresponds to the distance between the pair of slide grooves (71), and the display screen (1) is rotatably mounted at the ends of the pair of mounting bars (74) via a rotating shaft (75); the rectangular plate (72) is connected with the control box (61) which is positioned right below the rectangular plate into a whole.

4. The nucleic acid extraction apparatus according to claim 2 or 3, wherein a baffle (63) is installed at the bottom of the outlet of the strip-shaped groove (6), and the baffle (63) partially shields the outlet of the strip-shaped groove (6).

5. The nucleic acid extraction apparatus according to claim 2, wherein a wiring board (11) is provided on the back surface of the display screen (1), and the wiring harness (8) is electrically connected to the electronic control module through the wiring board (11); one end of the wiring harness (8) is fixed on the back of the wiring board (11) through a second clamping piece (12), and the other end of the wiring harness is fixed on the outer side wall of the control box (61) through a first clamping piece (62).

6. The nucleic acid extraction apparatus according to claim 3, wherein a magnetic strip (711) is fixed to a wall of the chute (71), and an iron piece (741) is wrapped around an outer surface of the mounting rod (74).

7. The nucleic acid extraction apparatus according to claim 1, wherein a first dust-proof strip (21) is provided around the top outer edge of the case (2), and a second dust-proof strip (51) is provided around the bottom outer edge of the display unit support plate (5).

8. The nucleic acid extraction apparatus according to claim 1, wherein a bearing (22) is provided at a central position of an upper surface of the housing (2), a truncated cone (52) is provided at a central position of a lower surface of the display unit carrier plate (5), and an outer surface of the truncated cone (52) is tightly fitted with an inner ring of the bearing (22).

9. The nucleic acid extraction apparatus according to claim 2, wherein a through hole (64) is formed in the left side wall of the strip-shaped groove (6), and an external power supply is introduced through the through hole (64) to supply power to the electronic control module.

10. The nucleic acid extraction apparatus according to claim 2, wherein a pull ring (13) is provided on an outer side wall of the display screen (1).

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