CN220194919U - Adjustable pipetting gun rack - Google Patents
Adjustable pipetting gun rack Download PDFInfo
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- CN220194919U CN220194919U CN202321695249.XU CN202321695249U CN220194919U CN 220194919 U CN220194919 U CN 220194919U CN 202321695249 U CN202321695249 U CN 202321695249U CN 220194919 U CN220194919 U CN 220194919U
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- base
- worm
- pipette
- screw
- rack
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 32
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses an adjustable pipetting gun rack, and belongs to the technical field of experimental equipment. The pipetting gun rack comprises a base, wherein a worm is horizontally arranged in the base, and one side of the worm extends out of the base and is connected with a driving device; two support columns are vertically fixed at the upper end of the base; u-shaped grooves are formed in opposite sides of the support columns along the vertical direction; a sliding block is connected in the U-shaped groove in a sliding way; the sliding block is provided with a threaded through hole along the vertical direction; the threaded through hole is internally connected with a screw rod in a threaded manner; the screw is connected to the support column in a transmission way, the lower end of the screw extends into the base, and a worm wheel is fixed on the screw; the worm wheel is meshed with the worm; a transverse supporting rod is fixedly connected between the two sliding blocks; a plurality of clamping assemblies are horizontally fixed on the transverse supporting rods and used for fixing the pipette. The pipette rack can adjust the placing height of the pipette and is applicable to pipette guns with different lengths and specifications; the whole pipetting gun rack is simple in structure and convenient to adjust.
Description
Technical Field
The utility model relates to the technical field of experimental equipment, in particular to an adjustable pipetting gun rack.
Background
The pipette is a kind of pipette, is commonly used in laboratory a small amount or a trace amount of liquid to remove, and the pipette belongs to the precision instrument, and the pipette of different specifications needs to be supporting to use the rifle head of equidimension not, all should carefully be careful when using and depositing, prevents to damage, avoids influencing its range. Currently, in biological experiments, particularly in the field of cell culture, a pipette is an indispensable experimental tool. In the experimental process, a pipette is often required to be used for loading samples into a centrifuge tube, and because the measuring ranges of the pipette are different and because different experimental contents are required to be strictly separated, cross contamination is prevented, the number of the pipette used in a laboratory is large, and therefore, a pipette rack is also very frequently used on a laboratory super clean bench or in a biosafety cabinet. The general height of the lower notch of current liquid-transfering gun frame is all unanimous, but because the liquid-transfering gun of often need use different ranges during the experiment, liquid-transfering gun of different length and size can not put well on the liquid-transfering gun frame, leads to on the superclean bench or need put the liquid-transfering gun frame of equidimension in the biosafety cabinet, has taken a large amount of mesa areas, is unfavorable for going on fast smoothly of experiment, and crowded messy mesa causes the pollution of experiment easily.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides an adjustable pipette rack, which can adjust the placing height of a pipette at any time, so that the pipette rack is applicable to pipette guns with different lengths and specifications, and the whole pipette rack has a simple structure and is convenient to adjust.
In order to achieve the above purpose, the following technical scheme is specifically adopted:
the adjustable pipetting gun rack comprises a base, wherein a worm is horizontally arranged in the base, one side of the worm extends out of the base and is connected with a driving device, and two support columns are vertically fixed at the upper end of the base; u-shaped grooves are formed in the opposite sides of the two support columns along the vertical direction; a sliding block is connected in the U-shaped groove in a sliding way; the sliding block is provided with a threaded through hole along the vertical direction; the threaded through hole is internally connected with a screw rod in a threaded manner; the screw is rotationally connected to the support column, the lower end of the screw extends into the base, and a worm wheel is fixed on the screw; the two worm gears are meshed with the worm; a transverse supporting rod is fixedly connected between the two sliding blocks; a plurality of clamping assemblies are horizontally fixed on the transverse supporting rods, and the clamping assemblies are used for fixing the pipette gun; the beneficial effects are that: the utility model is provided with a plurality of transmission devices in the pipette rack, and the worm in the base is rotated to drive the worm wheel to rotate so as to drive the screw to rotate, and the screw can drive the sliding block and the transverse supporting rod to move up and down so as to realize the adjustment of the placing height of the pipette; the whole adjustable pipette gun rack is simple in structure and convenient to adjust, and when a pipette gun with a longer size is needed to be placed temporarily in the experimental process, only the worm is required to be rotated through the driving device; the two sliding blocks are positioned at the same height and synchronously driven by the worm, so that the horizontal supporting rod can always keep a horizontal state, and ascending and descending resistance caused by inclination of the horizontal supporting rod is avoided.
Preferably, the driving device is a hand wheel or a servo motor; the beneficial effects are that: the driving device can be selected according to the size of the adjustable pipette gun rack, and the pipette gun rack with smaller size and less suspension quantity of the pipette gun can be driven by manual rotation; and a servo motor can be used for driving the pipette rack with larger size and larger suspension quantity of the pipette.
Preferably, the base is provided with a liquid receiving groove, and the liquid receiving groove is positioned right below the clamping assembly; the beneficial effects are that: when the pipette needs to be temporarily placed, a small amount of dropping of samples in the pipette head can occur due to the influence of gravity, and the samples can be caught by a liquid receiving groove under the clamping assembly at the moment, so that the samples can be prevented from dropping on the base, and the ultra-clean bench or the biosafety cabinet can be further polluted.
Further preferably, a liquid suction block is arranged in the liquid receiving groove; the beneficial effects are that: the liquid absorbing block with strong water absorbing performance is arranged in the liquid receiving groove, and when the liquid in the liquid transferring gun drops into the liquid receiving groove, the liquid can be absorbed, so that the pollution to the super clean bench or the biological safety cabinet caused by splashing due to the fact that the liquid drops directly into the bottom of the liquid receiving groove is avoided.
Preferably, the clamping component is a C-shaped bayonet; the beneficial effects are that: the C-shaped bayonet is small in size, so that the total weight of the transverse supporting rod can be reduced; meanwhile, the C-shaped bayonet is convenient for placing the liquid-transferring gun, the liquid-transferring gun can be placed from the upper part when being cleaned, and the liquid-transferring gun with the sample can be clamped in from the side edge when the sample touches the bayonet; in addition, the C-shaped bayonet can be set to be different in size, so that the pipette gun rack is suitable for pipette guns produced by different specifications and different manufacturers, and the application range is increased.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the adjustable pipette rack, the worm is driven to rotate by the multi-position transmission device, so that the worm is driven to rotate, the screw is driven to rotate, the sliding block and the transverse supporting rod are driven to move up and down, the height of the pipette is adjusted, and the adjustable pipette rack can be suitable for pipette guns with different lengths and specifications.
(2) The adjustable pipetting gun rack is simple in structure and convenient to operate, and the height can be adjusted only by rotating the worm through the driving device.
(3) The liquid receiving groove is arranged right below the clamping component in the adjustable pipetting gun frame, so that liquid dripped in the pipetting gun can be received, and pollution to the ultra-clean bench or the biological safety cabinet is avoided.
Drawings
FIG. 1 is a top view of an adjustable pipette rack according to one embodiment;
FIG. 2 is a front view and a partial plane view of an adjustable pipette rack according to one embodiment;
FIG. 3 is a schematic view of the connection of the slider, screw, worm gear and worm gear described in the first embodiment;
FIG. 4 is a schematic diagram illustrating the connection of a worm gear to a worm gear according to the first embodiment;
FIG. 5 is a schematic view of a slider and threaded through hole as described in the first embodiment;
FIG. 6 is a top view of an adjustable pipette rack according to the second embodiment;
FIG. 7 is a front view and a partial plane view of an adjustable pipette rack according to the second embodiment
In the figure: 1. a base; 2. a worm; 3. a hand wheel; 4. a support column; 5. a U-shaped groove; 6. a slide block; 7. a threaded through hole; 8. a screw; 9. a worm wheel; 10. a transverse support bar; 11. a clamping assembly; 12. a servo motor; 13. a liquid receiving tank; 14. a liquid suction block; 15. a top plate; 16. a bottom plate; 17. and a support plate.
Detailed Description
The following description of the embodiments of the present patent will be made clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present patent, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the one of ordinary skill in the art based on the embodiments of this patent, are within the scope of protection of this patent.
Example 1
As shown in fig. 1 to 5, the embodiment provides an adjustable pipette gun rack, which specifically comprises a base 1 in a cuboid shape, wherein a worm 2 is horizontally arranged inside the base 1; in order to facilitate the rotation of the worm by an operator, the right side of the worm 2 extends out of the base 1 and is connected with the hand wheel 3; two support columns 4 are symmetrically and vertically fixed at the upper end of the base 1; the support columns 4 are of block structures, and U-shaped grooves 5 are formed in one side, opposite to the support columns 4, along the vertical direction; a square sliding block 6 is connected in a sliding way in the U-shaped groove 5; the sliding block 6 is provided with a circular threaded through hole 7 along the vertical direction; the threaded through hole 7 is internally connected with a screw rod 8 through threads; the screw rod 8 is connected to the support column 4 through a top plate 15 and a bottom plate 16 in a transmission way, and the lower end of the screw rod 8 penetrates through the bottom plate 16 and extends into the base 1 to be fixedly connected with the worm wheel 9; the screw rod 8 is coaxial with the worm wheel 9, and the two worm wheels 9 are in transmission connection with the worm 2 (as shown in fig. 3); a transverse supporting rod 10 is fixedly connected between the two sliding blocks 6; a plurality of clamping assemblies 11 are horizontally fixed on the transverse supporting rod 10 and are used for fixing a pipette; the clamping assembly 11 is a C-shaped bayonet, on one hand, the C-shaped bayonet is small in size, and the total weight of the transverse supporting rod can be reduced; on the other hand, the C-shaped bayonet is convenient for placing the liquid-transferring gun, the liquid-transferring gun can be placed from the upper part when being cleaned, and the liquid-transferring gun with the sample can be clamped in from the side edge when the sample touches the bayonet.
As shown in fig. 2, a liquid receiving groove 13 is arranged on the base 1 right below the clamping assembly 11, when the pipette needs to be temporarily placed, a small amount of sample in the pipette head may fall under the influence of gravity, and the sample can be received by the liquid receiving groove right below the clamping assembly at the moment, so that the sample is prevented from falling on the base, and further pollution to an ultra-clean bench or a biosafety cabinet is avoided; meanwhile, in order to further prevent pollution caused by liquid splashing, the liquid receiving tank 13 is also internally provided with a liquid absorbing block 14 with strong water absorbing performance.
The principle of use of the device is as follows: the utility model has the advantages that the inside of the pipette gun rack is provided with a plurality of transmission devices, the worm connected with the worm can be driven by rotating the hand wheel, the worm can drive the two worm wheels to synchronously rotate, the two worm wheels are further driven to rotate in the same direction, and the rotation of the worm wheels can drive the sliding block and the transverse supporting rod to move up and down, so that the adjustment of the placing height of the pipette gun is realized; the whole pipetting frame is simple in structure and convenient to adjust.
Example two
As shown in fig. 6 and 7, the embodiment provides an adjustable pipette gun rack, which specifically comprises a base 1 in a cuboid shape, wherein a worm 2 is horizontally arranged inside the base 1; in order to facilitate the rotation of the worm, the right side of the worm 2 extends out of the base 1 and is connected with a servo motor 12; meanwhile, in order to support the servo motor 12 conveniently, the right side of the base 1 is fixedly connected with a supporting plate 17; two support columns 4 are symmetrically and vertically fixed at the upper end of the base 1; the support columns 4 are of block structures, and U-shaped grooves 5 are formed in one side, opposite to the support columns 4, along the vertical direction; a square sliding block 6 is connected in a sliding way in the U-shaped groove 5; the sliding block 6 is provided with a circular threaded through hole 7 along the vertical direction; the threaded through hole 7 is internally connected with a screw rod 8 through threads; the screw rod 8 is connected to the support column 4 through a top plate 15 and a bottom plate 16 in a transmission way, and the lower end of the screw rod 8 penetrates through the bottom plate 16 and extends into the base 1 to be fixedly connected with the worm wheel 9; the screw rod 8 is coaxial with the worm wheel 9, and the two worm wheels 9 are in transmission connection with the worm 2; a transverse supporting rod 10 is fixedly connected between the two sliding blocks 6; a plurality of clamping assemblies 11 are horizontally fixed on the transverse supporting rod 10 and used for fixing pipetting; the clamping assembly 11 is a C-shaped bayonet, on one hand, the C-shaped bayonet is small in size, and the total weight of the transverse supporting rod can be reduced; on the other hand, the C-shaped bayonet is convenient for placing the liquid-transferring gun, the liquid-transferring gun can be placed from the upper part for cleaning, and the liquid-transferring gun with the sample can be clamped in from the side edge for avoiding the pollution caused by the contact of the sample with the bayonet; meanwhile, in order to increase the application range, the pipette gun rack is suitable for pipette guns produced by different specifications and different manufacturers, and the sizes of a plurality of C-shaped bayonets are different.
The liquid receiving groove 13 is arranged on the base 1 right below the clamping component 11, when the pipette needs to be temporarily placed, a small amount of sample in the pipette head may fall under the influence of gravity, and the sample can be received by the liquid receiving groove right below the clamping component at the moment, so that the sample is prevented from falling on the base, and further pollution to the ultra clean bench or the biological safety cabinet is avoided; meanwhile, in order to further prevent pollution caused by liquid splashing, the liquid receiving tank 13 is also internally provided with a liquid absorbing block 14 with strong water absorbing performance.
The principle of use of the device is as follows: the utility model has the advantages that the inside of the pipette gun rack is provided with a plurality of transmission devices, a worm connected with the transmission devices can be driven by a servo motor, the worm can drive two worm gears to synchronously rotate, and further drive two screw rods to rotate in the same direction, and the screw rods can drive a sliding block and a transverse supporting rod to move up and down, so that the adjustment of the placing height of the pipette gun is realized; the whole pipetting frame is simple in structure and convenient to adjust.
The above examples describe the practice of the utility model in detail, however, the utility model is not limited to the specific details of the above embodiments. Many simple modifications and variations of the technical solution of the present utility model are possible within the scope of the claims and technical idea of the present utility model, which simple modifications are all within the scope of the present utility model.
Claims (6)
1. The adjustable pipetting gun rack is characterized by comprising a base, wherein a worm is horizontally arranged in the base, and one side of the worm extends out of the base and is connected with a driving device; two support columns are vertically fixed at the upper end of the base; u-shaped grooves are formed in the opposite sides of the two support columns along the vertical direction; a sliding block is connected in the U-shaped groove in a sliding way; the sliding block is provided with a threaded through hole along the vertical direction; the threaded through hole is internally connected with a screw rod in a threaded manner; the screw is connected to the support column in a transmission way, the lower end of the screw extends into the base, and a worm wheel is fixed on the screw; the two worm gears are meshed with the worm; a transverse supporting rod is fixedly connected between the two sliding blocks; a plurality of clamping assemblies are horizontally fixed on the transverse supporting rods, and the clamping assemblies are used for fixing the pipette.
2. An adjustable pipette gun rack as recited in claim 1 wherein the drive means is a hand wheel.
3. An adjustable pipette rack as recited in claim 1 wherein said drive means is a servo motor.
4. An adjustable pipette gun rack as defined in claim 1 wherein the base is provided with a liquid receiving slot, the liquid receiving slot being located directly below the clamping assembly.
5. The adjustable pipette rack of claim 4 wherein said liquid receiving tank is provided with a liquid suction block.
6. An adjustable pipette gun rack as recited in claim 1 wherein the clamping assembly is a C-shaped bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695249.XU CN220194919U (en) | 2023-06-30 | 2023-06-30 | Adjustable pipetting gun rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695249.XU CN220194919U (en) | 2023-06-30 | 2023-06-30 | Adjustable pipetting gun rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220194919U true CN220194919U (en) | 2023-12-19 |
Family
ID=89142191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321695249.XU Active CN220194919U (en) | 2023-06-30 | 2023-06-30 | Adjustable pipetting gun rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220194919U (en) |
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2023
- 2023-06-30 CN CN202321695249.XU patent/CN220194919U/en active Active
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