CN216605307U - Double-row micropipettor for biochemical experiments - Google Patents
Double-row micropipettor for biochemical experiments Download PDFInfo
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- CN216605307U CN216605307U CN202123357809.4U CN202123357809U CN216605307U CN 216605307 U CN216605307 U CN 216605307U CN 202123357809 U CN202123357809 U CN 202123357809U CN 216605307 U CN216605307 U CN 216605307U
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- double
- push rods
- row
- push rod
- liquid suction
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 37
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005213 imbibition Methods 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of pipettors, in particular to a double-row micropipettor for biochemical experiments. The utility model has the advantages that: through having set up the pipettor body, the imbibition chamber has all been seted up to the inside both sides of pipettor body, the equal sliding connection in inside of two imbibition chambers has the piston, the equal fixedly connected with push rod in center department of two piston top surfaces, the equal fixedly connected with clamp plate in top of two push rods, the guiding hole has been seted up in center department of pipettor body top surface, the inner wall sliding connection of guiding hole has the guide block, the center department threaded connection of guide block has adjusting bolt, make the user through pressing two clamp plates, can press two push rods respectively, realize two imbibition chamber imbibitions alone, can press two push rods simultaneously through synchronous clamp plate, make two imbibition chamber imbibition synchronous, and through rotating synchronous clamp plate, the slidable stroke of synchronous clamp plate can be adjusted, control the distance that two push rods can reset, thereby reach the mesh of being convenient for adjusting the imbibition volume.
Description
Technical Field
The utility model relates to the technical field of pipettors, in particular to a double-row micropipettor for biochemical experiments.
Background
The liquid transfer device is also called a liquid transfer gun, and is a metering tool for transferring liquid from an original container to another container within a certain range. Is widely used in the fields of biology, chemistry and the like. In order to simultaneously remove the liquid from two containers, a double-row micropipette is required, but the current double-row micropipette has the following problems in use:
the existing double-row micropipettor can only press two liquid taking pistons at the same time, and can not press any liquid taking piston independently, and the liquid taking amount is not convenient to adjust.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides a double-row micropipettor for biochemical experiments, and effectively overcomes the defects of the prior art.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a double micropipettor for biochemistry experiment, includes the pipettor body, the imbibition chamber, two have all been seted up to the inside both sides of pipettor body the equal sliding connection in inside of imbibition chamber has the piston, two the equal fixedly connected with push rod in center department of piston top surface, two the equal fixedly connected with clamp plate in top of push rod, the guiding hole has been seted up in center department of pipettor body top surface, the inner wall sliding connection of guiding hole has the guide block, the center department threaded connection of guide block has adjusting bolt, adjusting bolt's the synchronous clamp plate of top fixedly connected with, two the push rod all is located the bottom of synchronous clamp plate, two reset spring has all been cup jointed at the top of push rod.
Optionally, suction nozzles are fixedly connected to two sides of the bottom of the pipette body, the two suction nozzles correspond to the two pipette cavities respectively, and the two suction nozzles are communicated with the two pipette cavities respectively.
Optionally, the length of the push rod is greater than that of the inner wall of the liquid suction cavity, and the top of the push rod penetrates through the top of the liquid suction pipe body.
Optionally, the return spring is located between the top surface of the pipette body and the bottom surface of the pressing plate, the diameter of the return spring is larger than that of the opening at the top of the pipette cavity, and the length of the return spring after return is larger than half of the length of the push rod.
Optionally, the two pressing plates at the tops of the two push rods protrude out of the edge of the pipette body, and the two pressing plates at the tops of the two push rods face the two sides of the pipette body respectively.
Optionally, the cross sections of the guide hole and the guide block are square, the opening at the top of the guide hole is a round hole, the opening at the top of the guide hole is matched with the diameter of the adjusting bolt, the length of the guide hole is matched with the length of the adjusting bolt, and the width of the guide block is greater than the diameter of the opening at the top of the guide hole.
The utility model has the following advantages:
the double-row micropipettor for biochemical experiments is provided with a pipette tube body, liquid suction cavities are formed in two sides of the inner part of the pipette tube body, pistons are connected in the two liquid suction cavities in a sliding mode, push rods are fixedly connected to the centers of the top surfaces of the two pistons, pressing plates are fixedly connected to the tops of the two push rods, a guide hole is formed in the center of the top surface of the pipette tube body, a guide block is connected to the inner wall of the guide hole in a sliding mode, an adjusting bolt is connected to the center of the guide block in a threaded mode, a synchronous pressing plate is fixedly connected to the top of the adjusting bolt, the two push rods are located at the bottom of the synchronous pressing plate, a reset spring is sleeved on the tops of the two push rods, a user can press the two push rods respectively by pressing the two pressing plates, independent liquid suction of the two liquid suction cavities is achieved, meanwhile, the two push rods can be pressed simultaneously sucked in a synchronous mode through the synchronous pressing plates, and by rotating the synchronous pressing plate, the slidable stroke of the synchronous pressing plate can be adjusted, and the resettable distance of the two push rods is controlled, so that the aim of conveniently adjusting the liquid absorption amount is fulfilled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention.
In the figure: the liquid suction device comprises a liquid suction device body 1, a suction nozzle 2, a push rod 3, a pressure plate 4, a return spring 5, an adjusting bolt 6, a synchronous pressure plate 7, a liquid suction cavity 8, a piston 9, a guide hole 10 and a guide block 11.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1 to 3, a double-row micropipettor for biochemical experiments comprises a pipette tube 1, two sides of the inside of the pipette tube 1 are both provided with pipette cavities 8, the inside of the two pipette cavities 8 is both connected with pistons 9 in a sliding manner, the center of the top surfaces of the two pistons 9 is both fixedly connected with push rods 3, the tops of the two push rods 3 are both fixedly connected with a pressing plate 4, the center of the top surface of the pipette tube 1 is provided with a guide hole 10, the inner wall of the guide hole 10 is connected with a guide block 11 in a sliding manner, the center of the guide block 11 is connected with an adjusting bolt 6 in a threaded manner, the top of the adjusting bolt 6 is fixedly connected with a synchronous pressing plate 7, the two push rods 3 are both positioned at the bottom of the synchronous pressing plate 7, the tops of the two push rods 3 are both sleeved with a reset spring 5, in the embodiment, the push rods 3 are of a cylindrical structure, and the push rods 3 of the cylindrical structure conveniently rotate the position of the pressing plate 4, the position of the pressing plate 4 can be adjusted according to the habit of use.
As an optional technical scheme of the utility model, two sides of the bottom of the pipettor body 1 are fixedly connected with the suction nozzles 2, the two suction nozzles 2 correspond to the two liquid suction cavities 8 respectively, the two suction nozzles 2 are communicated with the insides of the two liquid suction cavities 8 respectively, and liquid can be sucked synchronously and conveniently through the two suction nozzles.
As an optional technical scheme of the present invention, the length of the push rod 3 is greater than the length of the inner wall of the liquid suction cavity 8, and the top of the push rod 3 penetrates through the top of the pipette body 1, so that the piston 9 can be controlled by the push rod 3 to slide outside the pipette body 1.
As an optional technical scheme of the utility model, the return spring 5 is positioned between the top surface of the pipette body 1 and the bottom surface of the pressure plate 4, the diameter of the return spring 5 is larger than that of the opening at the top of the pipette cavity 8, and the length of the return spring 5 after return is larger than half of the length of the push rod 3, so that the return spring 5 can push the push rod 3 to pull upwards to realize automatic pipette.
As an optional technical scheme of the present invention, the two pressing plates 4 at the tops of the two push rods 3 protrude from the edge of the pipette body 1, and the two pressing plates 4 at the tops of the two push rods 3 face to two sides of the pipette body 1, so that a user can press the two pressing plates 4 from two sides respectively, which is convenient for separate operation.
As an optional technical scheme of the utility model, the cross sections of the guide hole 10 and the guide block 11 are both square, the opening at the top of the guide hole 10 is a circular hole, the opening at the top of the guide hole 10 is matched with the diameter of the adjusting bolt 6, the length of the guide hole 10 is matched with the length of the adjusting bolt 6, the width of the guide block 11 is larger than the diameter of the opening at the top of the guide hole 10, the guide block 11 is blocked by the opening at the top of the guide hole 10, the reset length of the adjusting bolt 6 can be limited, the slidable stroke of the synchronous pressing plate 7 can be adjusted by rotating the synchronous pressing plate 7, and the resettable distance of the two push rods 3 is controlled, so that the purpose of conveniently adjusting the liquid absorption amount is achieved.
Example two: in the embodiment, the push rod 3 is of a quadrangular prism structure, and the rest structures are the same as those of the first embodiment, the push rod 3 of the quadrangular prism structure in the embodiment slides so as not to rotate, and the push rod is guided to prevent rotation during pressing, so that the stability is improved.
A double-row micropipettor for biochemical experiments specifically comprises the following use steps:
1) pressing any one of the two pressing plates 4 to press the piston 9 downwards, then loosening, pushing by the return spring 5, pulling upwards to finish liquid suction, and then independently pressing the pressing plate 4 to realize liquid drainage;
2) meanwhile, by pressing the synchronous pressing plate 7, the two push rods 3 can be pressed simultaneously, so that the two liquid suction cavities 8 discharge liquid synchronously.
In conclusion, the double-row micropipettor for biochemical experiments is provided with the pipette tube body 1, the two sides inside the pipette tube body 1 are respectively provided with the pipette cavities 8, the insides of the two pipette cavities 8 are respectively connected with the piston 9 in a sliding manner, the centers of the top surfaces of the two pistons 9 are respectively and fixedly connected with the push rods 3, the tops of the two push rods 3 are respectively and fixedly connected with the pressing plate 4, the center of the top surface of the pipette tube body 1 is provided with the guide hole 10, the inner wall of the guide hole 10 is connected with the guide block 11 in a sliding manner, the center of the guide block 11 is in threaded connection with the adjusting bolt 6, the top of the adjusting bolt 6 is fixedly connected with the synchronous pressing plate 7, the two push rods 3 are respectively positioned at the bottom of the synchronous pressing plate 7, the tops of the two push rods 3 are respectively sleeved with the reset spring 5, so that a user can respectively press the two push rods 3 by pressing the two pressing plates 4 to realize independent liquid suction of the two pipette cavities 8, simultaneously can press two push rods 3 simultaneously through synchronous clamp plate 7, make two imbibition chambeies 8 synchronous imbibitions of liquid, through rotating synchronous clamp plate 7, can adjust the slidable stroke of synchronous clamp plate 7 moreover, control two push rods 3 resettable distances to reach the mesh of being convenient for adjust the imbibition volume.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a double micropipettor for biochemical experiments which characterized in that: comprises a pipette body (1), wherein two sides of the inner part of the pipette body (1) are respectively provided with a liquid suction cavity (8), the inner parts of the two liquid suction cavities (8) are respectively connected with a piston (9) in a sliding way, the center of the top surfaces of the two pistons (9) is respectively and fixedly connected with a push rod (3), the top parts of the two push rods (3) are respectively and fixedly connected with a pressing plate (4), a guide hole (10) is arranged at the center of the top surface of the pipette body (1), the inner wall of the guide hole (10) is connected with a guide block (11) in a sliding way, the center of the guide block (11) is connected with an adjusting bolt (6) in a threaded way, the top fixedly connected with synchronous clamp plate (7) of adjusting bolt (6), two push rod (3) all are located the bottom of synchronous clamp plate (7), two reset spring (5) have all been cup jointed at the top of push rod (3).
2. The double-row micropipette for biochemical experiments according to claim 1, characterized in that: suction nozzles (2) are fixedly connected to two sides of the bottom of the pipette body (1), the two suction nozzles (2) correspond to the two liquid suction cavities (8) respectively, and the two suction nozzles (2) are communicated with the insides of the two liquid suction cavities (8) respectively.
3. The double-row micropipette for biochemical experiments according to claim 1, characterized in that: the length of the push rod (3) is larger than that of the inner wall of the liquid suction cavity (8), and the top of the push rod (3) penetrates through the top of the liquid transfer device pipe body (1).
4. The double-row micropipette for biochemical experiments according to claim 1, characterized in that: the liquid suction device is characterized in that the reset spring (5) is located between the top surface of the liquid suction device body (1) and the bottom surface of the pressing plate (4), the diameter of the reset spring (5) is larger than that of an opening at the top of the liquid suction cavity (8), and the length of the reset spring (5) after reset is larger than half of that of the push rod (3).
5. The double-row micropipette for biochemical experiments according to claim 1, characterized in that: two clamp plates (4) at the tops of the two push rods (3) protrude out of the edge of the pipette body (1), and the two clamp plates (4) at the tops of the two push rods (3) face the two sides of the pipette body (1) respectively.
6. The double-row micropipette for biochemical experiments according to claim 1, characterized in that: the cross-section of guiding hole (10) and guide block (11) is the square, the opening at guiding hole (10) top is the round hole, guiding hole (10) open-top matches with the diameter of adjusting bolt (6), the length of guiding hole (10) and the length looks adaptation of adjusting bolt (6), the width of guide block (11) is greater than guiding hole (10) open-top's diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357809.4U CN216605307U (en) | 2021-12-27 | 2021-12-27 | Double-row micropipettor for biochemical experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357809.4U CN216605307U (en) | 2021-12-27 | 2021-12-27 | Double-row micropipettor for biochemical experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216605307U true CN216605307U (en) | 2022-05-27 |
Family
ID=81682990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123357809.4U Expired - Fee Related CN216605307U (en) | 2021-12-27 | 2021-12-27 | Double-row micropipettor for biochemical experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216605307U (en) |
-
2021
- 2021-12-27 CN CN202123357809.4U patent/CN216605307U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |