CN221319928U - Magnetic force frame with adjustable magnetic field - Google Patents
Magnetic force frame with adjustable magnetic field Download PDFInfo
- Publication number
- CN221319928U CN221319928U CN202323153657.5U CN202323153657U CN221319928U CN 221319928 U CN221319928 U CN 221319928U CN 202323153657 U CN202323153657 U CN 202323153657U CN 221319928 U CN221319928 U CN 221319928U
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- bracket
- magnetic field
- face
- frame
- mounting
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- 239000011324 bead Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010353 genetic engineering Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000010557 suspension polymerization reaction Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 150000007523 nucleic acids Chemical class 0.000 description 3
- 102000039446 nucleic acids Human genes 0.000 description 3
- 108020004707 nucleic acids Proteins 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
The utility model relates to the technical field of genetic engineering, in particular to a magnetic force frame with an adjustable magnetic field, which comprises a frame, wherein a centrifuge tube plugboard is arranged in the frame, mounting grooves are formed in the left side and the right side of the interior of the frame, electric telescopic rods are arranged at the top ends of the interior of the two mounting grooves, lifting blocks are arranged at the lower ends of the two electric telescopic rods, a bracket is fixedly connected between the two lifting blocks, and a plurality of electromagnets are arranged in the bracket; the device comprises a rack, a bracket, a scale mark, a connecting plate, a mounting cover, a scale mark, a magnetic field adjusting device and an automatic driving bracket, wherein the two connecting plates are arranged on the rear end face of the rack, the mounting cover is fixedly connected between the two connecting plates, the front end face of the mounting cover is tightly attached to the rear end face of the bracket, the scale mark is fixedly connected to the front end face of the mounting cover, and then the device is used for conveniently judging the specific distance between the bracket and the bottom of the centrifuge tube when adjusting the magnetic field, so that the accuracy of adjusting different magnetic fields is improved, the bracket is automatically driven to be adjusted, and convenience is provided for an operator to adjust the magnetic field and observe.
Description
Technical Field
The utility model relates to the technical field of genetic engineering, in particular to a magnetic frame with an adjustable magnetic field.
Background
With the development of technology, the magnetic bead method is widely applied to DNA separation and extraction in the field of genetic engineering. Adding a reagent containing magnetic beads into a DNA sample to be separated and extracted, fully mixing the reagent with the sample when no external magnetic field is applied, enabling the magnetic beads to adsorb nucleic acid molecules in the sample, then polymerizing the magnetic beads by applying the external magnetic field, separating the magnetic beads from a sample solution, and washing the magnetic beads to obtain the nucleic acid molecules to be extracted. The above-mentioned operation of magnetic bead polymerization is generally performed by a magnetic frame. The existing magnetic rack, centrifuge tube and magnetic rack are generally of corresponding types, and different magnetic bead reagents can be selected for nucleic acid extraction of different DNA samples, and the requirements of polymerization of different magnetic beads on magnetic fields are different.
When the magnetic field of the magnetic rack is adjusted at present, the distance between the bracket and the lower end of the centrifuge tube is changed by driving the bracket to move up and down, so that different magnetic field conditions are changed;
However, in the adjusting process, the specific distance between the bracket and the centrifuge tube is inconvenient to observe, the accuracy of adjusting the magnetic field is reduced, and the manual adjusting mode needs to be adjusted and observed at the same time, so that inconvenience is caused to operation, and therefore, a magnetic frame with an adjustable magnetic field is necessary to be provided to solve the problems.
Disclosure of utility model
The utility model aims to provide a magnetic rack with an adjustable magnetic field, which has the characteristics that the specific distance between a bracket and the bottom of a centrifuge tube is conveniently judged when the magnetic field is adjusted, the accuracy of adjusting different magnetic fields is improved, the bracket is automatically driven to be adjusted, and convenience is provided for an operator to adjust the magnetic field and observe.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a magnetic field adjustable magnetic rack, includes the frame, the internally mounted of frame has the centrifuging tube picture peg, the mounting groove has all been seted up to the inside left and right sides of frame, and two electric telescopic handle is all installed on the inside top of mounting groove, and two the lifting block is all installed to electric telescopic handle's lower extreme, two fixedly connected with is located the bracket of centrifuging tube picture peg below between the lifting block, the inside of bracket is provided with a plurality of electro-magnets;
The mounting device comprises a rack, wherein two connecting plates are arranged on the rear end face of the rack, a mounting cover is fixedly connected between the two connecting plates, the front end face of the mounting cover is tightly attached to the rear end face of a bracket, and scale marks are fixedly connected to the front end face of the mounting cover.
In order to facilitate an operator to observe that the bracket moves to a specific position of the scale mark under the condition of weak light, the magnetic field adjustable magnetic frame is preferable in the utility model, the mounting cover comprises a mounting plate, the front end surface of the mounting plate is provided with a light-transmitting cover, and the front end surface of the mounting plate is provided with a plurality of LED lamp beads positioned in the light-transmitting cover.
In order to improve the stability of the vertical movement of the bracket, the magnetic force frame with adjustable magnetic field is preferable, guide posts positioned at one ends of the two electric telescopic rods opposite to each other are arranged in the two mounting grooves, guide holes are formed in the upper end faces of the two lifting blocks in a penetrating mode, and the lower ends of the two guide posts respectively penetrate through the two guide holes and extend to the lower portion of the lifting blocks.
In order to facilitate the installation and the disassembly between the installation cover and the rear end of the frame, the magnetic force frame with the adjustable magnetic field is preferably used, and the two connection plates are detachably connected with the frame through bolts.
In order to improve the stability of the rack when being placed on a tabletop, the magnetic force rack with the adjustable magnetic field is preferably used, and the lower end face of the rack is fixedly connected with an anti-skid supporting seat.
In order to conveniently control the operation and closing of the device, the magnetic field adjustable magnetic frame is preferably provided with a control panel on the front end surface of the frame.
Compared with the prior art, the utility model has the following beneficial effects:
When the device is used, a plurality of centrifuge tubes are inserted into the centrifuge tube plugboard, then two electric telescopic rods are started, the lifting blocks are driven to move up and down, the two lifting blocks drive the bracket to lift, the distance between the bracket and the bottoms of the centrifuge tubes is changed, when the distance between the bracket and the bottoms of the centrifuge tubes is adjusted, the upper end of the bracket stays to the position of the front end of a scale mark, the specific distance between the bottom of the centrifuge tube and the upper end of the bracket is judged, so that samples in the centrifuge tubes are subjected to magnetic bead polymerization under the magnetic field conditions of specific different distances, the specific distance between the bracket and the bottom of the centrifuge tubes is conveniently judged when the device adjusts the magnetic field, the accuracy of adjusting different magnetic fields is improved, the bracket is automatically driven to adjust the magnetic field, and convenience is provided for operators to observe.
Drawings
FIG. 1 is an overall front view of the present utility model;
FIG. 2 is an overall cross-sectional view of the present utility model;
FIG. 3 is a view showing the construction of the mounting cup of the present utility model;
fig. 4 is a cross-sectional view of the mounting cup of the present utility model.
In the figure: 1. a frame; 101. a mounting groove; 102. centrifuge tube plugboard; 2. an electric telescopic rod; 201. a lifting block; 202. a bracket; 203. an electromagnet; 204. a guide post; 205. a guide hole; 3. a connecting plate; 301. a mounting cover; 3011. a mounting plate; 3012. a light-transmitting cover; 3013. LED lamp beads; 302. scale marks; 4. an anti-slip supporting seat; 5. and a control panel.
Detailed Description
Referring to fig. 1 to 4, a magnetic force frame with adjustable magnetic field comprises a frame 1, wherein a centrifuge tube inserting plate 102 is installed in the frame 1, mounting grooves 101 are formed in the left side and the right side of the interior of the frame 1, electric telescopic rods 2 are installed at the top ends of the interior of the two mounting grooves 101, lifting blocks 201 are installed at the lower ends of the two electric telescopic rods 2, a bracket 202 positioned below the centrifuge tube inserting plate 102 is fixedly connected between the two lifting blocks 201, and a plurality of electromagnets 203 are arranged in the bracket 202;
two connecting plates 3 are installed to the rear end face of frame 1, fixedly connected with installation cover 301 between two connecting plates 3, the preceding terminal surface of installation cover 301 closely laminates with the rear end face of bracket 202, the preceding terminal surface fixedly connected with scale mark 302 of installation cover 301.
In this embodiment: during the use, insert a plurality of centrifuging tubes on centrifuging tube picture peg 102, open two electric telescopic handle 2 afterwards, drive elevating block 201 and reciprocate, two elevating block 201 drive bracket 202 and go up and down, change the distance between bracket 202 and a plurality of centrifuging tube bottoms, when adjusting the distance between the two, through the position that bracket 202 upper end stopped to scale mark 302 front end, judge the concrete distance between centrifuging tube bottom and the bracket 202 upper end, make the sample in the centrifuging tube carry out the magnetic bead polymerization under the magnetic field condition of concrete different distances, and then the device conveniently judges the concrete distance between bracket 202 and the centrifuging tube bottom when adjusting the magnetic field, the degree of accuracy of adjusting different magnetic fields has been improved, and automatically drive bracket 202 and adjust, it is convenient to the operator to adjust the magnetic field and observe.
As a technical optimization scheme of the utility model, the mounting cover 301 comprises a mounting plate 3011, a light-transmitting cover 3012 is mounted on the front end face of the mounting plate 3011, and a plurality of LED lamp beads 3013 positioned inside the light-transmitting cover 3012 are mounted on the front end face of the mounting plate 3011.
In this embodiment: when the operating environment is weaker, the plurality of LED lamp beads 3013 are powered on to illuminate the light-transmitting cover 3012, so that an operator can observe that the bracket 202 moves to a specific position of the scale mark 302 when the operating environment is weaker.
As a technical optimization scheme of the utility model, guide posts 204 positioned at one ends of two electric telescopic rods 2 opposite to each other are arranged in two mounting grooves 101, guide holes 205 are formed in the upper end faces of two lifting blocks 201 in a penetrating manner, and the lower ends of the two guide posts 204 respectively penetrate through the two guide holes 205 and extend to the lower parts of the lifting blocks 201.
In this embodiment: when the bracket 202 moves up and down, the two lifting blocks 201 are simultaneously positioned on the outer walls of the two guide posts 204 to slide, so that the stability of the upward and downward movement of the bracket 202 is improved.
As a technical optimization scheme of the utility model, the two connecting plates 3 are detachably connected with the frame 1 through bolts.
In this embodiment: when the rear end of the frame 1 is connected with the mounting cover 301, the two connecting plates 3 are clung to the rear end of the frame 1, and then the mounting bolts are screwed, so that the mounting cover 301 and the rear end of the frame 1 can be conveniently mounted and dismounted.
As a technical optimization scheme of the utility model, the lower end surface of the frame 1 is fixedly connected with an anti-slip supporting seat 4.
In this embodiment: by means of the anti-slip support 4, the stability of the stand 1 when placed on a table top is improved.
As a technical optimization scheme of the utility model, a control panel 5 is arranged on the front end face of the frame 1.
In this embodiment: the operation and closing of the device are conveniently controlled by the control panel 5.
Working principle: when the centrifugal tube rack is used, when the rear end of the rack 1 is connected with the mounting cover 301, the two connecting plates 3 are tightly attached to the rear end of the rack 1, then the mounting bolts are screwed, the mounting is completed, a plurality of centrifugal tubes are inserted into the centrifugal tube inserting plate 102, then the two electric telescopic rods 2 are started, the lifting blocks 201 are driven to move up and down, the two lifting blocks 201 are simultaneously positioned on the outer walls of the two guide posts 204 and slide, the two lifting blocks 201 drive the bracket 202 to lift, the distance between the bracket 202 and the bottoms of the plurality of centrifugal tubes is changed, when the distance between the bracket 202 is adjusted, the position of the front end of the scale mark 302 is stopped through the upper end of the bracket 202, the specific distance between the bottoms of the centrifugal tubes and the upper end of the bracket 202 is judged, so that samples in the centrifugal tubes are subjected to magnetic bead polymerization under the magnetic field conditions of specific different distances, and under the condition that the operating environment light is weak, the plurality of LED lamp beads 3013 are powered on, and the light-transmitting cover 3012 is illuminated.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a magnetic field adjustable magnetic stand, includes frame (1), its characterized in that: the centrifuge tube inserting plate (102) is arranged in the rack (1), mounting grooves (101) are formed in the left side and the right side of the interior of the rack (1), electric telescopic rods (2) are arranged at the top ends of the interior of the two mounting grooves (101), lifting blocks (201) are arranged at the lower ends of the two electric telescopic rods (2), a bracket (202) positioned below the centrifuge tube inserting plate (102) is fixedly connected between the two lifting blocks (201), and a plurality of electromagnets (203) are arranged in the bracket (202);
Two connecting plates (3) are installed on the rear end face of the frame (1), two mounting covers (301) are fixedly connected between the two connecting plates (3), the front end face of each mounting cover (301) is tightly attached to the rear end face of each bracket (202), and graduation marks (302) are fixedly connected to the front end face of each mounting cover (301).
2. A magnetic field adjustable magnetic stand according to claim 1, wherein: the mounting cover (301) comprises a mounting plate (3011), a light-transmitting cover (3012) is mounted on the front end face of the mounting plate (3011), and a plurality of LED lamp beads (3013) located inside the light-transmitting cover (3012) are mounted on the front end face of the mounting plate (3011).
3. A magnetic field adjustable magnetic stand according to claim 1, wherein: guide posts (204) positioned at one ends of the two electric telescopic rods (2) opposite to each other are arranged in the two mounting grooves (101), guide holes (205) are formed in the upper end faces of the two lifting blocks (201) in a penetrating mode, and the lower ends of the two guide posts (204) penetrate through the two guide holes (205) respectively and extend to the lower portion of the lifting blocks (201).
4. A magnetic field adjustable magnetic stand according to claim 1, wherein: the two connecting plates (3) are detachably connected with the frame (1) through bolts.
5. A magnetic field adjustable magnetic stand according to claim 1, wherein: the lower end face of the frame (1) is fixedly connected with an anti-slip supporting seat (4).
6. A magnetic field adjustable magnetic stand according to claim 1, wherein: the front end face of the frame (1) is provided with a control panel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323153657.5U CN221319928U (en) | 2023-11-22 | 2023-11-22 | Magnetic force frame with adjustable magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323153657.5U CN221319928U (en) | 2023-11-22 | 2023-11-22 | Magnetic force frame with adjustable magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221319928U true CN221319928U (en) | 2024-07-12 |
Family
ID=91797600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323153657.5U Active CN221319928U (en) | 2023-11-22 | 2023-11-22 | Magnetic force frame with adjustable magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221319928U (en) |
-
2023
- 2023-11-22 CN CN202323153657.5U patent/CN221319928U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |