CN220201883U - Magnetic force frame device - Google Patents
Magnetic force frame device Download PDFInfo
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- CN220201883U CN220201883U CN202320795727.8U CN202320795727U CN220201883U CN 220201883 U CN220201883 U CN 220201883U CN 202320795727 U CN202320795727 U CN 202320795727U CN 220201883 U CN220201883 U CN 220201883U
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- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 description 48
- 239000011324 bead Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The application relates to a magnetic force frame device relates to the field of magnetic force frame, including bottom plate, fixed plate and the roof that from bottom to top connects gradually, be equipped with between bottom plate and the roof and place the chamber, the vertical downward test tube hole that places the chamber of having offered the intercommunication of roof up end, the fixed plate is just installing the magnetic stripe to the terminal surface that places the chamber, the magnetic stripe is located test tube hole below and corresponds with the test tube hole and lay, the roof up end is provided with the clamping assembly that is used for carrying out radial centre gripping to the pipe wall of test tube. This application carries out the centre gripping through the pipe wall of holder to the pipe to inject the radial position of test tube, make not unidimensional test tube also can adopt same magnetic force frame, improve magnetic force frame's structural flexibility, reduce the magnetic force frame and switch the number of times because of the test tube of different specifications, thereby reduce the device manufacturing cost of test cost and magnetic force frame.
Description
Technical Field
The application relates to the field of magnetic force frames, in particular to a magnetic force frame device.
Background
The magnetic bead method is to crack sample with the cracking liquid to adsorb the nucleic acid molecule to form magnetic bead-DNA polymer while the protein impurity is not adsorbed to remain in the solution and to separate the magnetic bead. In order to separate magnetic beads, it is common practice to place a test tube with magnetic beads inside in a test tube hole site of a magnetic rack, a magnet on the magnetic rack at the side or bottom of the test tube hole will adsorb the magnetic beads inside the test tube at the side wall or bottom of the test tube, and then a pipette tip will suck the liquid inside the test tube, thereby separating the liquid from the magnetic beads.
Therefore, in order to ensure that the magnetic beads in the test tube can be adsorbed on the side wall or the bottom of the test tube by the magnet on the magnetic rack, so as to ensure the experimental effect, the test tube with each size is matched with one magnetic rack.
Magnetic racks currently used in laboratories exist in many sizes to accommodate test tubes of various sizes. And the test tubes produced by different factories often have certain difference, the situation that the magnetic rack is not matched with a plurality of test tubes from different factories can also occur in the experimental process, and the magnetic rack needs to be formulated again. Therefore, the magnetic rack has poor structural flexibility, frequent switching times of the magnetic rack, and increased test cost and manufacturing cost of the magnetic rack device
Disclosure of Invention
In order to improve the structural flexibility of the magnetic rack, the frequency of switching the magnetic rack due to test tubes of different specifications is reduced, so that the test cost and the manufacturing cost of the magnetic rack device are reduced.
The application provides a magnetic force frame device adopts following technical scheme:
the utility model provides a magnetic force frame device, includes bottom plate, fixed plate and the roof that from bottom to top connects gradually, be equipped with between bottom plate and the roof and place the chamber, the vertical downward test tube hole that the chamber was placed in the intercommunication of seting up of roof up end, the fixed plate is just installing the magnetic stripe to the terminal surface of placing the chamber, the magnetic stripe is located test tube hole below and corresponds with the test tube hole and lay, the roof up end is provided with the clamping assembly who is used for carrying out radial centre gripping to the pipe wall of test tube.
Through adopting above-mentioned technical scheme, when the test tube is put on the magnetic force frame, the test tube is by going up to slide down and pass the test tube hole and be located and place the intracavity, until the bottom and the bottom plate up end butt of test tube, the test tube radially rocks along self in the test tube hole this moment, afterwards carries out the centre gripping to the pipe wall of test tube through clamping assembly to inject the radial position of test tube, in order to realize the location to the test tube, make the test tube just fixed to the pipe wall of magnetic stripe, in order that the magnetic bead is to just drawing close to the pipe wall of magnetic stripe. The clamping assembly enables test tubes of different sizes to also adopt the same magnetic rack, improves the structural flexibility of the magnetic rack, reduces the switching times of the magnetic rack due to the test tubes of different specifications, and accordingly reduces the test cost and the manufacturing cost of the magnetic rack.
Optionally, the clamping assembly includes first regulating plate, second regulating plate and locating part, first regulating plate and second regulating plate are laid relatively along the length direction of perpendicular to roof, the test tube hole is located between first regulating plate and the second regulating plate, first regulating plate and second regulating plate are all along being close to or keep away from the direction and the roof up end sliding connection of test tube hole, the locating part is used for prescribing a limit to first regulating plate, second regulating plate position.
Through adopting above-mentioned technical scheme, after the test tube is put on the magnetic frame, along the direction that is close to the test tube hole first regulating plate and second regulating plate that slides, until the pipe wall of first regulating plate and second regulating plate clamp test tube, carry out spacingly to first regulating plate and second regulating plate through the locating part afterwards, make the test tube be in clamping state, the vertical layout of test tube this moment, the bottom of the tube and bottom plate butt, the pipe wall of test tube is pressed from both sides tightly by first regulating plate and second regulating plate to fix a position the test tube.
Optionally, a first arc-shaped groove is formed in the side wall of the first adjusting plate, which is opposite to the test tube hole, and a second arc-shaped groove is formed in the side wall of the second adjusting plate, which is opposite to the test tube hole.
Through adopting above-mentioned technical scheme, can increase the area of contact of the pipe wall of first regulating plate, second regulating plate and test tube through first arc wall and second arc wall, improve the centre gripping effect of first regulating plate, second regulating plate to the test tube, reduce because the clamping component leads to the broken probability of test tube to the too big clamping strength of test tube.
Optionally, the locating part includes first screw rod and second screw rod, first screw rod and second screw rod are all laid along being on a parallel with roof length direction and with roof threaded connection, first screw rod is provided with two, first regulating plate is located between two first screw rods and supports tightly with two first screw rods and be connected, the second screw rod is provided with two, the second regulating plate is located between two second screw rods and supports tightly with two second screw rods and be connected.
Through adopting above-mentioned technical scheme, the position of first screw rod and second screw rod on the roof is fixed, and two first screw rods support tight first regulating plate just to be equivalent to first regulating plate by two first screw rods clamp. When the first regulating plate needs to slide on the top plate, the first regulating plate is loosened through the two first screws, so that the first regulating plate can be in sliding butt with the first screws, the two first screws can limit the sliding position of the first regulating plate, and meanwhile the sliding direction of the first regulating plate can be guided. The second screw has the same effect on the second adjusting plate as the first screw has on the first adjusting plate.
Optionally, the test tube hole is provided with a plurality ofly, and a plurality of test tube holes are evenly distributed at intervals along the length direction of roof and are constituteed a row of test tube hole group, and a plurality of test tube holes all are located between first regulating plate and the second regulating plate.
Through adopting above-mentioned technical scheme, when a plurality of test tubes are put simultaneously on the magnetic force frame, just can realize the centre gripping in the time to a plurality of test tubes through first regulating plate and second regulating plate to simplify a plurality of test tubes and place the step on the magnetic force frame, improve experimental efficiency.
Optionally, the test tube hole group is provided with two groups, and two groups the test tube hole group is laid along the relative interval of the length direction of perpendicular to roof, the fixed plate is located between two groups of test tube hole groups.
Through adopting above-mentioned technical scheme, through two sets of test tube hole groups, be located the test tube that the diameter that is less than the test tube hole can be placed in the test tube hole group between first regulating plate and the second regulating plate, another test tube hole group can be placed with the test tube that the test tube hole group diameter is the same to realize that two kinds of not unidimensional test tubes are placed simultaneously on same magnetic force frame's effect, further improve magnetic force frame's structural flexibility.
Optionally, the clamping component further includes a third adjusting plate, the third adjusting plate is located first adjusting plate and deviates from second adjusting plate one side, and two sets of one of them test tube hole group is located between first adjusting plate and the second adjusting plate in the test tube hole group, another set of test tube hole group is located between first adjusting plate and the third adjusting plate, the locating part includes two third screw rods, the third screw rod is laid along being on a parallel with roof length direction and with roof threaded connection, the third adjusting plate is located between two third screw rods and supports tightly with two third screw rods and be connected.
Through adopting above-mentioned technical scheme, can carry out the centre gripping to the test tube in the two sets of test tube hole groups through first regulating plate and second regulating plate, first regulating plate and third regulating plate, further improve the structural flexibility of magnetic force frame again, improve the quantity and the kind that magnetic force frame can hold the test tube, reduce the magnetic force frame and switch the number of times because of the test tube of different specifications.
Optionally, a movable groove vertically and slidably connected with the magnetic stripe is formed in the fixed plate.
Through adopting above-mentioned technical scheme, when the test tube is put on the magnetic force frame, the magnetic bead in the test tube draws close on being close to the pipe wall of magnetic stripe, can adjust the vertical position of magnetic stripe through the sliding tray to according to the quantity of in-tube magnetic bead and in-tube liquid level and nimble adjustment magnetic bead absorption the position on the pipe wall, improve experimental accuracy.
Optionally, a locating hole coaxially communicated with the test tube hole is formed in the upper end face, opposite to the top end, of the bottom plate, and the bottom of the locating hole is arc-shaped.
Through adopting above-mentioned technical scheme, the tube bottom of test tube is the arc generally, in order to carry out spacingly to the tube bottom of test tube, strengthens the clamping strength of magnetic force frame to the test tube for the test tube keeps vertical effect of laying on the clamping frame, sets up the locating hole on the bottom plate, makes the tube bottom of test tube be located the locating hole and the pore wall butt in locating hole with spacingly.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the clamping piece is used for clamping the tube wall of the test tube, so that the radial positions of the test tube are limited, the test tubes with different sizes can also adopt the same magnetic rack, the structural flexibility of the magnetic rack is improved, the switching times of the magnetic rack due to the test tubes with different specifications are reduced, and the test cost and the manufacturing cost of the magnetic rack device are reduced;
2. the first adjusting plate and the second adjusting plate are slid along the direction close to the test tube hole until the first adjusting plate and the second adjusting plate clamp the tube wall of the test tube, and then the first adjusting plate and the second adjusting plate are limited through the limiting piece, so that the test tube is in a clamping state, and the test tube is positioned;
3. the first adjusting plate is clamped by two first screws. When the first regulating plate needs to slide on the top plate, the first regulating plate can be loosened through the two first screws, and the first regulating plate can be in sliding butt with the first screws, so that the two first screws can not only limit the sliding position of the first regulating plate, but also guide the sliding direction of the first regulating plate.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
FIG. 2 is a schematic diagram of the positional relationship of a test tube hole and a magnetic stripe in an embodiment of the present application.
FIG. 3 is a schematic illustration of the location of the clamping assembly and test tube aperture in an embodiment of the present application.
In the figure: 1. a bottom plate; 11. positioning holes; 2. a fixing plate; 21. a movable groove; 3. a top plate; 31. a test tube hole; 4. a placement cavity; 5. a magnetic stripe; 6. a clamping assembly; 61. a first adjustment plate; 611. a first arc-shaped groove; 62. a second adjusting plate; 62. a second arc-shaped groove; 63. a third adjusting plate; 631. a third arc-shaped groove; 64. a limiting piece; 641. a first screw; 642. a second screw; 643. and a third screw.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a magnetic frame device. Referring to fig. 1 and 2, the magnetic frame device comprises a bottom plate 1, a fixed plate 2 and a top plate 3 which are sequentially connected from bottom to top. A placing cavity 4 is arranged between the bottom plate 1 and the top plate 3. The upper end surface of the top plate 3 is vertically provided with a test tube hole 31 which is communicated with the placing cavity 4. The locating hole 11 with test tube hole 31 coaxial intercommunication has been seted up to bottom plate 1 up end, and the hole bottom of locating hole 11 is the arc to the tube bottom of laminating test tube is convenient. The end face of the fixed plate 2, which is opposite to the placing cavity 4, is provided with a movable groove 21 for installing the magnetic stripe 5, and the magnetic stripe 5 is positioned below the test tube hole 31 and is correspondingly distributed with the test tube hole 31. When the test tube is placed on the magnetic rack, the test tube passes through the test tube hole 31 and the bottom of the test tube is in contact with the bottom of the positioning hole 11. The upper end face of the top plate 3 is provided with a clamping assembly 6 for radially clamping the tube wall of the test tube. The clamping assembly 6 horizontally clamps the peripheral wall of the test tube, so that the test tube is fixed on the magnetic rack in a vertically arranged posture.
When not unidimensional test tube is put into test tube hole 31 in, the test tube can all be different at the intraductal range of rocking of test tube hole 31, radially press from both sides tight to the test tube through clamping assembly 6 for not unidimensional test tube also can adopt same magnetic force frame, improves the structural flexibility of magnetic force frame, reduces the frequency that magnetic force frame switched because of the test tube of different specifications, thereby reduces the device manufacturing cost of test cost and magnetic force frame.
Wherein, in order to increase the quantity of placing the test tube on the magnetic rack, a plurality of test tube holes 31 have been seted up, thereby a plurality of test tube holes 31 are evenly distributed along the length direction of roof 3 at intervals and are formed a set of test tube hole group. Two groups of test tube hole groups have been seted up on the roof 3, and two groups of test tube hole groups are laid along the relative interval of the length direction of perpendicular to roof 3, and fixed plate 2 is located in the middle of two groups of test tube hole groups for form two between roof 3 and the bottom plate 1 and place chamber 4, thereby increase the magnetic rack and place the quantity of test tube.
Meanwhile, the fixed plate 2 is provided with a movable groove 21 which is vertically and slidably connected with the magnetic strip 5, and the movable groove 21 is communicated with the two placing cavities 4, so that the same magnetic strip 5 is correspondingly distributed with two corresponding test tube holes 31 in the two groups of test tube holes. When test tubes are placed in two corresponding test tube holes 31 in the two groups of test tube holes, the magnetic beads in the test tubes move towards the direction close to the same magnetic stripe 5, so that the use of the magnetic stripe 5 is reduced, and the structure of the magnetic rack is simplified. The magnetic stripe 5 can vertically slide on the fixed plate 2 so as to adjust the position of the magnetic stripe 5 according to the quantity of the magnetic beads in the test tube, the capacity of the reagent and the like, and further adjust the position of the magnetic beads adsorbed on the tube wall of the test tube. And when the magnetic stripe 5 needs to be fixed in position, it can be adhered to the fixing plate 2 by using an adhesive mode.
Referring to fig. 1 and 3, the clamping assembly 6 includes a first adjustment plate 61, a second adjustment plate 62, a third adjustment plate 63, and a stopper 64.
The first adjustment plate 61, the second adjustment plate 62, and the third adjustment plate 63 are all slidably connected to the top plate 3 in a direction perpendicular to the length direction of the top plate 3. The second adjusting plate 62 and the third adjusting plate 63 are respectively located at both sides of the first adjusting plate 61 in the length direction of the top plate 3, wherein one group of test tube holes 31 is located between the first adjusting plate 61 and the second adjusting plate 62, and the other group of test tube holes 31 is located between the first adjusting plate 61 and the third adjusting plate 63. So that the first adjustment plate 61, the second adjustment plate 62, and the third adjustment plate 63 each slide on the top plate 3 in a direction approaching or moving away from the test tube hole 31. When the first, second and third regulating plates 61, 62 and 63 clamp the test tube, the stopper 64 can define the positions of the first, second and third regulating plates 61, 62 and 63 so that the tube wall is in a clamped state.
In order to increase the contact area between the clamping assembly 6 and the tube wall of the test tube and improve the clamping strength of the clamping assembly 6 to the test tube, the side wall of the first adjusting plate 61 opposite to the test tube hole 31 is provided with a first arc-shaped groove 611, the side wall of the second adjusting plate 62 opposite to the test tube hole 31 is provided with a second arc-shaped groove 62, and the side wall of the third adjusting plate 63 opposite to the test tube hole 31 is provided with a third arc-shaped groove 631. The radians of the first arc-shaped groove 611, the second arc-shaped groove 62 and the third arc-shaped groove 631 are the same, so that the contact areas of the first adjusting plate 61, the second adjusting plate 62 and the third adjusting plate 63 and the tube wall of the test tube are the same, and the test tube keeps a vertically arranged position during clamping, thereby reducing the probability of breaking the test tube due to overlarge clamping force of the clamping assembly 6 on the test tube.
Referring to fig. 1 and 3, the stopper 64 includes a first screw 641, a second screw 642, and a third screw 643. The first screw 641, the second screw 642, and the third screw 643 are all disposed in a direction parallel to the length direction of the top plate 3 and are screw-coupled with the top plate 3. And the first screw 641, the second screw 642, and the third screw 643 are each provided with two.
Wherein the first adjusting plate 61 is located between the two first screws 641 and is in abutting connection with the two first screws 641. The second adjusting plate 62 is located between the two second screws 642 and is in abutting connection with the two second screws 642. The third adjusting plate 63 is located between the two third screws 643 and is in abutting connection with the two third screws 643.
When the first adjusting plate 61 needs to slide on the top plate 3, the first adjusting plate 61 is released by the two first screw rods 641 so that the first adjusting plate 61 can be slidably abutted with the first screw rods 641, so that the two first screw rods 641 can limit the sliding position of the first adjusting plate 61 and guide the sliding direction of the first adjusting plate 61. The action of the second screw 642 on the second adjusting plate 62 and the action of the third screw 643 on the third adjusting plate 63 are the same as the action of the first screw 641 on the first adjusting plate 61.
The implementation principle of the magnetic frame device in the embodiment of the application is as follows: when the test tube is placed on the magnetic rack, the test tube passes through the test tube hole 31 from top to bottom and is positioned in the placement cavity 4 until the bottom of the test tube is contacted with the positioning hole 11 on the bottom plate 1, then the first adjusting plate 61, the second adjusting plate 62 and the third adjusting plate 63 are slid until the test tube is clamped, finally the first adjusting plate 61 is limited by the first screw 641, the second adjusting plate 62 is limited by the second screw 642, the third adjusting plate 63 is limited by the third screw 643, finally the test tube with different sizes can also adopt the same magnetic rack, the structural flexibility of the magnetic rack is improved, the switching times of the magnetic rack due to the test tubes with different specifications are reduced, and therefore the test cost and the manufacturing cost of the magnetic rack device are reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A magnetic stand device, characterized in that: the test tube fixing device comprises a bottom plate (1), a fixing plate (2) and a top plate (3) which are sequentially connected from bottom to top, wherein a placing cavity (4) is arranged between the bottom plate (1) and the top plate (3), a test tube hole (31) for communicating with the placing cavity (4) is vertically and downwards formed in the upper end face of the top plate (3), a magnetic strip (5) is arranged on the end face of the fixing plate (2) right opposite to the placing cavity (4), the magnetic strip (5) is arranged below the test tube hole (31) and corresponds to the test tube hole (31), and a clamping assembly (6) for radially clamping the tube wall of a test tube is arranged on the upper end face of the top plate (3);
the clamping assembly (6) comprises a first adjusting plate (61), a second adjusting plate (62) and a limiting piece (64), the first adjusting plate (61) and the second adjusting plate (62) are oppositely arranged along the length direction perpendicular to the top plate (3), the test tube hole (31) is located between the first adjusting plate (61) and the second adjusting plate (62), the first adjusting plate (61) and the second adjusting plate (62) are both in sliding connection with the upper end face of the top plate (3) along the direction close to or far away from the test tube hole (31), and the limiting piece (64) is used for limiting the positions of the first adjusting plate (61) and the second adjusting plate (62).
2. A magnetic rack apparatus as claimed in claim 1, wherein: the side wall of the first adjusting plate (61) opposite to the test tube hole (31) is provided with a first arc-shaped groove (611), and the side wall of the second adjusting plate (62) opposite to the test tube hole (31) is provided with a second arc-shaped groove (621).
3. A magnetic rack apparatus as claimed in claim 1, wherein: the limiting piece (64) comprises a first screw rod (641) and a second screw rod (642), the first screw rod (641) and the second screw rod (642) are both arranged along the length direction parallel to the top plate (3) and are in threaded connection with the top plate (3), the first screw rods (641) are two, the first adjusting plate (61) is located between the two first screw rods (641) and is in tight connection with the two first screw rods (641), the second screw rods (642) are two, and the second adjusting plate (62) is located between the two second screw rods (642) and is in tight connection with the two second screw rods (642).
4. A magnetic rack apparatus as claimed in claim 1, wherein: the test tube hole (31) is provided with a plurality of, and a plurality of test tube holes (31) are evenly distributed at intervals along the length direction of the top plate (3) to form a group of test tube hole groups, and a plurality of test tube holes (31) are all located between the first adjusting plate (61) and the second adjusting plate (62).
5. A magnetomotive force frame device according to claim 4, wherein: the test tube hole sets are provided with two groups, the two groups of test tube hole sets are distributed at intervals along the length direction perpendicular to the top plate (3), and the fixing plate (2) is positioned between the two groups of test tube hole sets.
6. A magnetomotive force frame device according to claim 5, wherein: the clamping assembly (6) further comprises a third adjusting plate (63), the third adjusting plate (63) is located on one side of the first adjusting plate (61) away from the second adjusting plate (62), one of the two test tube hole groups is located between the first adjusting plate (61) and the second adjusting plate (62), the other test tube hole group is located between the first adjusting plate (61) and the third adjusting plate (63), the limiting piece (64) comprises two third screws (643), the third screws (643) are distributed along the length direction parallel to the top plate (3) and are in threaded connection with the top plate (3), and the third adjusting plate (63) is located between the two third screws (643) and is in tight connection with the two third screws (643).
7. A magnetic rack apparatus as claimed in claim 1, wherein: a movable groove (21) which is vertically and slidably connected with the magnetic strip (5) is formed in the fixed plate (2).
8. A magnetic rack apparatus as claimed in claim 1, wherein: the bottom plate (1) is just provided with a locating hole (11) coaxially communicated with the test tube hole (31) on the upper end face of the top end, and the hole bottom of the locating hole (11) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320795727.8U CN220201883U (en) | 2023-04-03 | 2023-04-03 | Magnetic force frame device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320795727.8U CN220201883U (en) | 2023-04-03 | 2023-04-03 | Magnetic force frame device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220201883U true CN220201883U (en) | 2023-12-19 |
Family
ID=89150958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320795727.8U Active CN220201883U (en) | 2023-04-03 | 2023-04-03 | Magnetic force frame device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220201883U (en) |
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2023
- 2023-04-03 CN CN202320795727.8U patent/CN220201883U/en active Active
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