CN212758678U - Novel liquid is moved to variable pitch multistation device - Google Patents
Novel liquid is moved to variable pitch multistation device Download PDFInfo
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- CN212758678U CN212758678U CN202021350540.XU CN202021350540U CN212758678U CN 212758678 U CN212758678 U CN 212758678U CN 202021350540 U CN202021350540 U CN 202021350540U CN 212758678 U CN212758678 U CN 212758678U
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Abstract
The utility model discloses a novel variable-pitch multi-station liquid transferring device, which comprises a base, a liquid transferring assembly and a variable-pitch assembly, wherein a linear slide rail is arranged in the base, and the liquid transferring assembly and the variable-pitch assembly are connected with each other through a plurality of hoses; move liquid the subassembly and include the piston, the piston bottom is equipped with a plurality of hose nipple, the displacement subassembly includes a plurality of slidable mounting slide on the linear slide rail, the slide bottom all is equipped with the suction head, loop through from a left side to the right between slide and the hose nipple hose interconnect effectively solves at least one not enough in the background art through such mode, effectively promotes the stability of moving the liquid process, and user experience feels splendid.
Description
Technical Field
The utility model relates to a reagent transmission technical field especially relates to a novel liquid is moved to variable distance multistation device.
Background
The pipettor is an essential experimental instrument for all biochemical laboratories to perform immunization, cell culture, clinical diagnosis and food analysis, and the pipettor can transfer biochemical reagents into a specific experimental vessel, such as a 24-well plate, a 48-well plate, a 96-well plate or a 384-well plate. The appearance of multichannel pipettor has improved the work efficiency that moves the liquid greatly, but has different kinds of orifice plates on the market, for example ELIAS plate or cell culture board etc. to different kinds of orifice plates, its hole interval is invariable, because fixed interval's multichannel pipettor is only applicable to the orifice plate of a hole interval, consequently the laboratory often need be equipped with many multichannel pipettors, but this has increased not few expenses burden undoubtedly.
Chinese patent CN210079560U, entitled "variable-pitch multi-channel adjusting device and pipette including the same," discloses a variable-pitch multi-channel adjusting device, which is characterized in that: the automatic liquid transferring device comprises a base (100) and a plurality of liquid transferring assemblies (200), wherein a first linear slide rail (110) is arranged in the base (100), the liquid transferring assemblies (200) are sequentially connected onto the first linear slide rail (110) in a sliding mode, a first linear driving device (300) is arranged on the base (100), and the first linear driving device (300) drives the liquid transferring assemblies (200) located on the outermost side of the first linear slide rail (110) to slide along the first linear slide rail (110); all be equipped with between two adjacent liquid-transfering components (200) and decide journey spacer pin (500), the first and last both ends of deciding journey spacer pin (500) all are equipped with locating part (510), all move liquid all be equipped with in the subassembly (200) with spacing hole (217) that locating part (510) match the use, two adjacent liquid-transfering components (200) pass through decide journey spacer pin (500) carry out spacing connection ", although overcome foretell not enough, its structure still has certain defect: the pipetting assembly and the variable pitch part which have requirements on precision are arranged in a whole, so that the precision in pipetting is influenced, the pipetting is not accurate, in addition, the variable pitch part needs to be frequently moved, certain shaking or other related influences can be caused on the pipetting assembly, the stability of pipetting is influenced, and the normal use of a user is not facilitated.
Therefore, a solution is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel liquid is moved to variable pitch multistation device, it is not enough effectively to solve at least one in the background art, effectively promotes the stability of moving the liquid process, and user experience feels splendid.
In order to achieve the above purpose, the technical scheme of the utility model has:
a novel variable-pitch multi-station liquid transfer device comprises a base, a liquid transfer assembly and a variable-pitch assembly, wherein a linear slide rail is arranged in the base, and the liquid transfer assembly and the variable-pitch assembly are connected with each other through a plurality of hoses; the liquid transfer assembly comprises a piston, a plurality of hose connectors are arranged at the bottom of the piston, the variable pitch assembly comprises a plurality of sliding pieces which are slidably mounted on the linear slide rail, suction heads are arranged at the bottoms of the sliding pieces, and the sliding pieces and the hose connectors are sequentially connected with one another through hoses from left to right.
Further, the pitch-changing assembly further comprises a first driving device, and the first driving device is used for driving the sliding piece located at the outermost side to slide on the linear sliding rail; and two adjacent sliding parts are mutually connected and fixed by arranging a limit pin.
Further, move liquid the subassembly still including being used for the drive the second drive arrangement of piston action, second drive arrangement includes support frame and through motor, the support frame sets up the top of base, through motor installs on the support frame, through motor is last to have the transmission lead screw.
Furthermore, the piston comprises a piston cylinder, a top plate and a piston rod, the top plate is arranged at the top of the piston cylinder and is in transmission connection with the transmission screw rod, so that the through motor drives the piston to act, the piston rod is arranged inside the piston cylinder, the top of the piston rod extends upwards and is connected with the top plate, and the bottom of the piston cylinder is provided with the hose connector.
Furthermore, guide rods are further arranged on the support frame on two sides of the through motor, and the top plate is slidably mounted on the guide rods.
Furthermore, a sensor induction block is further arranged on the top plate, and a reset sensor is arranged on the support frame and close to the initial position of the top plate.
Further, the first driving device comprises a first motor and a first screw rod, the first motor is in transmission connection with the first screw rod, and the first screw rod is in transmission connection with a sliding part located on the outermost side of the linear sliding rail.
Further, eight hose joints, eight hoses and eight sliding parts are arranged.
The utility model discloses a novel liquid is moved to variable distance multistation device, its beneficial effect is: the pipetting assembly requiring precision is connected with the variable pitch assembly through the hose, so that the pipetting assembly and the variable pitch assembly are separated to a certain degree, can be independently assembled without mutual influence, and the working stability of the pipetting assembly is effectively improved in the working process; moreover, because what move the liquid subassembly on adopt is the piston, through hose interconnect setting between its and the displacement subassembly, its durability compares the structure of integral type more durable, stability that the performance is more, easy maintenance simultaneously.
Drawings
FIG. 1 is a perspective view of a novel variable-pitch multi-station pipetting device;
fig. 2 is a front view of the structure of the novel variable-pitch multi-station pipetting device.
Detailed Description
The utility model discloses a novel variable distance multistation liquid-transfering device is explained with the attached drawing.
As shown in fig. 1 to 2, as a preferred embodiment of the present invention:
a novel variable-pitch multi-station liquid transfer device comprises a base 1, a liquid transfer assembly 2 and a variable-pitch assembly 3, wherein a linear slide rail 11 is arranged in the base 1, and the liquid transfer assembly 2 and the variable-pitch assembly 3 are connected with each other through a plurality of hoses 4; the liquid-transfering component 2 comprises a piston 21, a plurality of hose connectors 22 are arranged at the bottom of the piston 21, the distance-changing component 3 comprises a plurality of sliding parts 31 which are slidably mounted on the linear slide rail 11, suction heads 32 are arranged at the bottoms of the sliding parts 31, and the sliding parts 31 and the hose connectors 22 are sequentially connected with each other through hoses 4 from left to right.
The utility model discloses a novel liquid is moved to variable distance multistation device, its beneficial effect is: the pipetting component 2 requiring precision is connected with the variable pitch component 3 through the hose 4, so that the pipetting component 2 and the variable pitch component 3 are separated to a certain degree, can be independently assembled without influencing each other, and the working stability of the pipetting component 2 is effectively improved in the working process; moreover, because what move liquid on the subassembly 2 is the piston 21, it sets up through hose 4 interconnect between the displacement subassembly 3, and its durability is compared the structure of integral type and is more durable, and the performance is more stable, easy maintenance simultaneously.
The pitch-changing assembly 3 further comprises a first driving device 33, wherein the first driving device 33 is used for driving the sliding piece 31 positioned at the outermost side to slide on the linear sliding rail 11; and two adjacent sliding parts 31 are mutually connected and fixed by arranging a limit pin.
Preferably, a base shaft is penetrated on the sliding member 31, the base shaft is used for connecting the hose 4 and the suction head 22, the upper end of the base shaft is connected with the hose 4, and the lower end of the base shaft is connected with the suction head 22.
The liquid-transfering component 2 further comprises a second driving device 23 for driving the piston 21 to act, the second driving device 23 comprises a supporting frame 24 and a through motor 25, the supporting frame 24 is arranged above the base 1, the through motor 25 is arranged on the supporting frame 24, and the through motor 25 is provided with a transmission screw rod.
The piston 21 comprises a piston cylinder 26, a top plate 27 and a piston rod 28, the top plate 27 is arranged at the top of the piston cylinder 26, the top plate 27 is in transmission connection with the transmission screw rod, so that the through motor 25 drives the piston 21 to act, the piston rod 28 is arranged in the piston cylinder 26, the top of the piston rod extends upwards and is connected with the top plate 27, and the bottom of the piston cylinder 26 is provided with the hose connector 22.
Wherein, when the piston rod 28 moves downwards, the inner space of the flexible tube 4 and the suction head 22 is reduced to form a pressurization, so that the liquid in the suction head 22 is discharged; when the piston rod 28 moves upward, the internal space of the hose 4 and the suction head 22 increases to form a negative pressure, so that the liquid can be sucked into the suction head 22.
In order to enable a user to conveniently obtain the working state of the piston 21, the top plate 27 is further provided with a sensor sensing block 5, and the support frame 24 is provided with a reset sensor 6 at a position close to the initial position of the top plate 27.
The first driving device 33 comprises a first motor 34 and a first screw rod 35, the first motor 34 is in transmission connection with the first screw rod 35, and the first screw rod 35 is in transmission connection with the sliding part 31 located at the outermost side of the linear slide rail 11.
Since the sliding parts 31 are connected and fixed to each other by providing the limit pin, the sliding parts 31 can be used to drive other sliding parts 31 after the first screw rod 35 is in transmission connection with the sliding part 31 located at the outermost side of the linear slide rail. Thereby realizing displacement pipetting.
Preferably, in this embodiment, eight of the hose connectors 22, the hoses 4 and the sliders 31 are provided.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. A novel variable-pitch multi-station liquid transfer device comprises a base, a liquid transfer assembly and a variable-pitch assembly, wherein a linear slide rail is arranged in the base;
the liquid transfer assembly comprises a piston, a plurality of hose connectors are arranged at the bottom of the piston, the variable pitch assembly comprises a plurality of sliding pieces which are slidably mounted on the linear slide rail, suction heads are arranged at the bottoms of the sliding pieces, and the sliding pieces and the hose connectors are sequentially connected with one another through hoses from left to right.
2. The novel variable-pitch multi-station pipetting device as recited in claim 1, wherein the variable-pitch assembly further comprises a first driving device for driving the outermost slide member to slide on the linear slide rail; and two adjacent sliding parts are mutually connected and fixed by arranging a limit pin.
3. The novel variable-pitch multi-station pipetting device according to claim 1, wherein the pipetting assembly further comprises a second driving device for driving the piston to act, the second driving device comprises a support frame and a through motor, the support frame is arranged above the base, the through motor is mounted on the support frame, and the through motor is provided with a transmission screw rod.
4. The novel variable-pitch multi-station pipetting device according to claim 3, wherein the piston comprises a piston cylinder, a top plate and a piston rod, the top plate is arranged at the top of the piston cylinder and is in transmission connection with the transmission screw rod, so that the through motor drives the piston to act, the piston rod is arranged inside the piston cylinder, the top of the piston rod extends upwards and is connected with the top plate, and the bottom of the piston cylinder is provided with the hose connector.
5. The novel variable-pitch multi-station pipetting device of claim 4, wherein guide rods are further arranged on the support frames on two sides of the through motor, and the top plate is slidably mounted on the guide rods.
6. The novel variable-pitch multi-station pipetting device according to claim 4, wherein the top plate is further provided with a sensor sensing block, and the support frame is provided with a reset sensor at a position close to the initial position of the top plate.
7. The novel variable-pitch multi-station pipetting device as recited in claim 2, wherein the first driving device comprises a first motor and a first screw rod, the first motor is in transmission connection with the first screw rod, and the first screw rod is in transmission connection with a sliding part located at the outermost side of the linear slide rail.
8. The novel variable pitch multi-station pipetting device of any one of claims 1-7, wherein the hose connector, the hose and the slide are eight in number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350540.XU CN212758678U (en) | 2020-07-10 | 2020-07-10 | Novel liquid is moved to variable pitch multistation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350540.XU CN212758678U (en) | 2020-07-10 | 2020-07-10 | Novel liquid is moved to variable pitch multistation device |
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| Publication Number | Publication Date |
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| CN212758678U true CN212758678U (en) | 2021-03-23 |
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| CN202021350540.XU Active CN212758678U (en) | 2020-07-10 | 2020-07-10 | Novel liquid is moved to variable pitch multistation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212938A (en) * | 2022-07-15 | 2022-10-21 | 成都瀚辰光翼科技有限责任公司 | Multichannel pipettor |
-
2020
- 2020-07-10 CN CN202021350540.XU patent/CN212758678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212938A (en) * | 2022-07-15 | 2022-10-21 | 成都瀚辰光翼科技有限责任公司 | Multichannel pipettor |
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