CN216260845U

CN216260845U - Multitube pipettor convenient to operation

Info

Publication number: CN216260845U
Application number: CN202122642299.9U
Authority: CN
Inventors: 宋和蔚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-12
Anticipated expiration: 2031-11-01

Abstract

The utility model belongs to the technical field of pipettors, and particularly relates to a multi-tube pipettor convenient to operate, which comprises a supporting plate, wherein a U-shaped plate is fixedly arranged at the top of the supporting plate, a driving structure is arranged on the U-shaped plate, a plurality of liquid suction structures are uniformly arranged on the inner wall of the supporting plate, the liquid suction structures are connected with the driving structure through a transmission structure, and a pipette is arranged on each liquid suction structure; a handle is fixedly arranged at the top of the U-shaped plate; the driving structure comprises a box body, the box body is fixedly arranged on the inner wall of the top end of the U-shaped plate, and a servo motor is fixedly arranged on the inner wall of the box body; a first hollow pipe is fixedly installed on an output shaft of the servo motor, and the inner wall of the first hollow pipe is connected with a solid rod in a sliding mode; the liquid suction structure works through the driving structure and the transmission structure, and has the function of realizing mechanized operation, thereby not only facilitating the operation, but also improving the accuracy of the liquid displacement.

Description

Multitube pipettor convenient to operation

Technical Field

The utility model relates to the technical field of pipettors, in particular to a multi-tube pipettor convenient to operate.

Background

Pipettes, also known as pipette guns, are a metering tool that transfers liquid from one container to another over a range of ranges, and in the fields of medical care, drug, gene and protein research, biological research, drug development laboratories, and other biotechnology applications, it is often necessary to manipulate laboratory samples using pipettes in various laboratory protocols by drawing a volume of liquid into the pipette using the pipettes and then dispensing the liquid into one or more dispensed volumes.

At present, when carrying out the liquid removal operation in the experiment, we often need carry out the liquid removal operation of different test tubes many times, if adopt traditional pipettor often need repeat many times to operate to not only can waste time and energy, still can bring inconvenience for the staff, for this reason, we provide a multitube pipettor convenient to operate.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above and/or other problems associated with a conventional multi-tube pipette that is easy to operate.

It is therefore an object of the present invention to provide a multi-tube pipette which is easy to operate and which solves the above-mentioned problems of the prior art.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

the utility model provides a multitube pipettor convenient to operation, its includes the backup pad, the top fixed mounting U-shaped plate of backup pad, install the drive structure on the U-shaped plate, a plurality of imbibition structures are evenly installed to the inner wall of backup pad, and a plurality of imbibition structures pass through transmission structure with the drive structure and are connected, the structural pipette of installing of imbibition.

As a preferable aspect of the multi-tube pipette of the present invention, wherein: and a handle is fixedly arranged at the top of the U-shaped plate.

As a preferable aspect of the multi-tube pipette of the present invention, wherein: the driving structure comprises a box body, the box body is fixedly installed on the inner wall of the top end of the U-shaped plate, and a servo motor is fixedly installed on the inner wall of the box body.

As a preferable aspect of the multi-tube pipette of the present invention, wherein: an output shaft of the servo motor is fixedly provided with a first hollow pipe, and the inner wall of the first hollow pipe is connected with the solid rod in a sliding mode.

As a preferable aspect of the multi-tube pipette of the present invention, wherein: the inner wall both ends of first hollow tube have all been seted up the spout, the equal fixed mounting gag lever post in both ends of solid pole, solid pole sliding connection is on the inner wall of spout.

As a preferable aspect of the multi-tube pipette of the present invention, wherein: the liquid suction structure comprises second hollow pipes, a plurality of second hollow pipes are uniformly and fixedly installed on the inner wall of the supporting plate, an upper fixing plate is fixedly installed on the inner wall of the top end of each second hollow pipe, through holes are formed in two ends of the inner wall of the upper fixing plate, a nut is fixedly installed on the inner wall of the middle end of the upper fixing plate, the inner wall of the nut is in threaded connection with a screw rod, a piston is fixedly installed at the bottom of the screw rod, the piston is connected to the inner wall of each second hollow pipe in a sliding mode, and a sealing layer is arranged between the piston and each second hollow pipe;

and the top parts of the screw rods are fixedly provided with solid rods.

As a preferable aspect of the multi-tube pipette of the present invention, wherein: the bottom inner wall fixed mounting bottom plate of second hollow tube, the inner wall fixed mounting pipette of bottom plate, and be equipped with the sealing layer between pipette and the bottom plate.

As a preferable aspect of the multi-tube pipette of the present invention, wherein: the transmission structure comprises gears, the gears are fixedly installed on the top end of the screw rod, and the gears are in transmission connection through chains.

Compared with the prior art:

1. when liquid is needed to be transferred, a plurality of pipettes are placed into different test tubes, after the pipettes are placed, the first hollow tube is made to drive the solid rod to rotate through the servo motor, the rotating solid rod can drive the group of screw rods to rotate, when the group of screw rods rotate, the screw rods can be made to rotate simultaneously, in the same direction and at the same speed through the gears and the chains, when the screw rods rotate, the pistons can be made to ascend through the nuts, when the pistons ascend, liquid in the test tubes can be sucked into the pipettes, when the liquid transfer amount needed in each pipette is inconsistent, if the lowest liquid transfer amount needed is completed, the corresponding test tube is removed, and the rest is done until the highest liquid transfer amount needed is completed, so that repeated operation can be avoided, time and labor are saved, and convenience is brought to workers;

2. make the imbibition structure work through drive structure and transmission structure, have the effect of realizing mechanized operation to not only can be convenient for operate, still can improve the degree of accuracy of moving the liquid measure.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a partial schematic view of a driving structure according to the present invention.

In the figure: the device comprises a supporting plate 2, a U-shaped plate 21, a handle 211, a driving structure 3, a box body 31, a servo motor 32, a first hollow tube 33, a sliding groove 331, a solid rod 34, a limiting rod 341, a liquid suction structure 4, a second hollow tube 41, an upper fixing plate 42, a through hole 421, a nut 43, a screw 44, a piston 45, a lower fixing plate 46, a pipette 5, a transmission structure 6, a gear 61 and a chain 62.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a multi-tube pipettor convenient to operate, which has the advantage of convenience in operation, and referring to fig. 1-4, the pipettor comprises a supporting plate 2, a U-shaped plate 21 is fixedly installed at the top of the supporting plate 2, a driving structure 3 is installed on the U-shaped plate 21, a plurality of liquid absorption structures 4 are uniformly installed on the inner wall of the supporting plate 2, the liquid absorption structures 4 are connected with the driving structure 3 through a transmission structure 6, and pipettes 5 are installed on the liquid absorption structures 4.

As shown in fig. 1-3:

the top of the U-shaped plate 21 is fixedly provided with a handle 211, and the handle 211 plays a role of lifting the pipette 5; the driving structure 3 comprises a box body 31, the box body 31 is fixedly arranged on the inner wall of the top end of the U-shaped plate 21, a servo motor 32 is fixedly arranged on the inner wall of the box body 31, the servo motor 32 has the function of being connected with an external switch, the servo motor 32 has the function of controlling through the external switch, a first hollow pipe 33 is fixedly arranged on an output shaft of the servo motor 32, and the inner wall of the first hollow pipe 33 is connected with a solid rod 34 in a sliding mode; the liquid suction structure 4 comprises a second hollow pipe 41, a plurality of second hollow pipes 41 are uniformly and fixedly installed on the inner wall of the supporting plate 2, an upper fixing plate 42 is fixedly installed on the inner wall of the top end of each second hollow pipe 41, through holes 421 are formed in both ends of the inner wall of each upper fixing plate 42, and the through holes 421 have the function of discharging air above the piston 45, so that the piston 45 cannot rise due to the air; the top of the set of screws 44 fixedly mounts the solid bar 34; a lower fixing plate 46 is fixedly arranged on the inner wall of the bottom end of the second hollow tube 41, a pipette 5 is fixedly arranged on the inner wall of the lower fixing plate 46, and a sealing layer is arranged between the pipette 5 and the lower fixing plate 46; the transmission structure 6 comprises a gear 61, the gear 61 is fixedly installed on the top end of the screw 44, and a plurality of gears 61 are in transmission connection through a chain 62.

As shown in fig. 4:

spout 331 has all been seted up at the inner wall both ends of first hollow tube 33, the equal fixed mounting gag lever post 341 in both ends of solid pole 34, and solid pole 34 sliding connection has through solid pole 34 and spout 331 to make first hollow tube 33 drive solid pole 34 and carry out the effect of rotation on the inner wall of spout 331, and solid pole 34 has carries out gliding effect in first hollow tube 33.

When in specific use, when liquid transfer is required, a plurality of pipettes 5 are placed into different test tubes, after the pipettes are placed, the servo motor 32 enables the first hollow tube 33 to drive the solid rod 34 to rotate, the rotating solid rod 34 drives the group of screws 44 to rotate, when the group of screws 44 rotate, the plurality of screws 44 rotate simultaneously, in the same direction and at the same speed through the gear 61 and the chain 62, when the screws 44 rotate, the pistons 45 ascend through the nuts 43, when the pistons 45 ascend, liquid in the test tubes is sucked into the pipettes 5, when the liquid transfer amount required in each pipette 5 is different, if the required minimum liquid transfer amount is finished, the corresponding test tube is removed, and the like is carried out until the required maximum liquid transfer amount is finished, wherein, because each screw 44 simultaneously rotates in the same direction and at the same speed, therefore, the transmission structure 6 can be stably operated while the screw 44 lifts the piston 45.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A multi-tube pipette convenient to operate, comprising a support plate (2), a top portion of the support plate (2) being fixedly mounted with a U-shaped plate (21), characterized in that: install drive structure (3) on U-shaped board (21), a plurality of imbibition structures (4) are evenly installed to the inner wall of backup pad (2), and a plurality of imbibition structures (4) are connected through transmission structure (6) with drive structure (3), install pipette (5) on imbibition structure (4).

2. A multi-tube pipette convenient for operation according to claim 1 wherein the top of the U-shaped plate (21) fixedly mounts a handle (211).

3. A multi-tube pipette convenient for operation according to claim 1, wherein the drive structure (3) comprises a casing (31), the casing (31) being fixedly mounted on the top inner wall of the U-shaped plate (21), the inner wall of the casing (31) being fixedly mounted with a servo motor (32).

4. A multi-tube pipette convenient for operation according to claim 3 wherein the output shaft of the servo motor (32) fixedly mounts a first hollow tube (33), the inner wall of the first hollow tube (33) being slidingly connected to a solid rod (34).

5. A multi-tube pipette convenient to operate according to claim 4, wherein the inner wall of the first hollow tube (33) is opened with a slide groove (331) at both ends, a limit rod (341) is fixedly installed at both ends of the solid rod (34), and the solid rod (34) is slidably connected to the inner wall of the slide groove (331).

6. The multi-tube pipette convenient to operate according to claim 1, wherein the liquid suction structure (4) comprises second hollow tubes (41), a plurality of second hollow tubes (41) are uniformly and fixedly mounted on the inner wall of the support plate (2), an upper fixing plate (42) is fixedly mounted on the inner wall of the top end of each second hollow tube (41), through holes (421) are formed in both ends of the inner wall of each upper fixing plate (42), a nut (43) is fixedly mounted on the inner wall of the middle end of each upper fixing plate (42), the inner wall of each nut (43) is in threaded connection with a screw rod (44), a piston (45) is fixedly mounted at the bottom of each screw rod (44), the piston (45) is slidably connected to the inner wall of each second hollow tube (41), and a sealing layer is arranged between the piston (45) and each second hollow tube (41);

and the top of one group of the screw rods (44) is fixedly provided with a solid rod (34).

7. A multi-tube pipette convenient for operation according to claim 6, wherein a lower fixing plate (46) is fixedly mounted on the inner wall of the bottom end of the second hollow tube (41), a pipette (5) is fixedly mounted on the inner wall of the lower fixing plate (46), and a sealing layer is arranged between the pipette (5) and the lower fixing plate (46).

8. A multi-tube pipette convenient for operation according to claim 1, wherein the transmission structure (6) comprises a gear (61), the gear (61) being fixedly mounted on the top end of a screw (44), a number of the gears (61) being drivingly connected by a chain (62).