CN213222234U

CN213222234U - Multifunctional pipetting head and pipetting equipment thereof

Info

Publication number: CN213222234U
Application number: CN202021309228.6U
Authority: CN
Inventors: 陈超原; 黄超能; 刘建安; 谭薇
Original assignee: Foshan Super Hydrogen Intelligent Equipment Co ltd
Current assignee: Foshan Super Hydrogen Intelligent Equipment Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-18
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a multi-functional pipetting head and pipetting device thereof, wherein, multi-functional pipetting head includes: the mounting frame is provided with the through motor, and the through motor is provided with a transmission screw rod; the pipetting assembly comprises a piston and a pipetting plug, the top of the piston is provided with a top plate capable of moving up and down, the top plate is in transmission connection with the transmission screw rod, and the bottom of the piston is connected with a plurality of pipetting plugs; consumptive material shifts arm, consumptive material shifts arm installation is fixed the bottom of piston, and with move the liquid plug and be close to mutually, consumptive material shifts arm is provided with a plurality of and the homogeneous phase and stretches out through such mode outward, effectively solves the not enough of at least one existence in the background art, and the function is abundant and easy and simple to handle, is favorable to whole work efficiency's improvement.

Description

Multifunctional pipetting head and pipetting equipment thereof

Technical Field

The utility model relates to a reagent transmission technical field especially relates to a multi-functional liquid-transfering head and move liquid equipment thereof.

Background

The pipettor is an essential experimental instrument in all biochemical laboratories for immunization, cell culture, clinical diagnosis and food analysis, and biochemical reagents can be transferred to specific experimental vessels such as 24-well plates, 48-well plates, 96-well plates or 384-well plates through the pipettor, so that the working efficiency of pipetting is greatly improved due to the appearance of the multi-channel pipettor.

As shown in fig. 1-2, there are reagent or assay consumables in a laboratory, and their covers are connected in sequence by an adhesive tape, so that sometimes we need to transfer or uncap such reagent or assay consumable, most of the methods are to uncap or transfer by human hands or other external auxiliary tools, such operation form undoubtedly increases the time of the whole assay process, and is tedious in operation and inefficient; if the in-process that shifts or uncap takes place when leading to reagent or experimental consumptive material's damage because of the human factor, can cause very big inconvenience for the laboratory technician like this, if what leaked moreover is the pollutant, then can threaten laboratory technician's health, cause the pollution of environment simultaneously.

Therefore, a solution is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional pipetting head and pipetting device thereof effectively solves the not enough of at least one existence in the background art, and the function is abundant and easy and simple to handle, is favorable to whole work efficiency's improvement.

In order to achieve the above purpose, the technical scheme of the utility model has:

a multi-functional pipetting head comprising: the mounting frame is provided with the through motor, and the through motor is provided with a transmission screw rod; the pipetting assembly comprises a piston and a pipetting plug, the top of the piston is provided with a top plate capable of moving up and down, the top plate is in transmission connection with the transmission screw rod, and the bottom of the piston is connected with a plurality of pipetting plugs; the consumptive material shifts the arm, the installation of consumptive material shifts the arm is fixed the bottom of piston, and with move liquid the plug and be close to mutually, the consumptive material shifts the arm and is provided with a plurality ofly and all outwards stretches out.

Further, the consumptive material transfer arm is provided with two, and two interval sets up between the consumptive material transfer arm.

Further, the consumable transferring arm is formed by a bending part and an extending part which are integrally formed, one end of the bending part is connected with the bottom of the piston, the other end of the bending part is connected with the extending part, and the extending part is arranged in parallel with the horizontal plane.

Further, the piston comprises a piston rod, a piston cylinder body and a top plate, the piston rod is arranged in the piston cylinder body, the top of the piston rod extends outwards and is connected with the top plate, the piston is in transmission connection with the through motor through the top plate, the bottom of the piston rod penetrates through the piston cylinder body and is connected with the liquid-transferring plugs, and the number of the piston rods is the same as that of the liquid-transferring plugs.

The through motor is fixedly arranged on the mounting frame, guide pillars are arranged on two sides of the through motor on the mounting frame, the top plate is arranged on the guide pillars, and the top plate is slidably arranged on the guide pillars.

Further, still be equipped with reset sensor on the roof, be equipped with reset sensor on the mounting bracket with the initial position of roof is close to mutually.

Further, move liquid plug and piston rod and all be equipped with 8.

Further, move still to be equipped with between liquid plug and the piston bottom and push away and take off the board, move liquid plug and consumptive material and shift the arm and all install push away and take off on the board.

The utility model discloses still provide the second technical scheme:

a pipetting apparatus comprising a multi-functional pipetting head as described above, further comprising: the workbench is used for placing reagents or experimental consumables; and the transmission mechanism is in transmission connection with the multifunctional pipetting head and comprises a Z-direction transmission unit, and the Z-direction transmission unit is used for driving the multifunctional pipetting head to move up and down.

Further, Z is to drive unit including Z to motor, Z to lead screw and base plate, slidable mounting on the base plate the mounting bracket, it is fixed still to install on the base plate Z is to the lead screw, Z to the lead screw with the transmission is connected between the mounting bracket, Z is to the motor locate the top of base plate just Z is to the motor with the transmission is connected between the Z to the lead screw.

The utility model discloses a multi-functional liquid-transfering head and move liquid equipment thereof, its beneficial effect is: can open the lid on reagent or the experiment consumptive material through the cooperation between consumptive material transfer arm and the drive mechanism fast safety, if need shift reagent or experiment consumptive material, then only need to stretch into the consumptive material transfer arm the bottom of the junction of two adjacent lids, thereby drive mechanism drives whole multi-functional liquid head of moving upwards and moves the consumptive material and shift arm rebound, can make consumptive material transfer arm drive reagent or experiment consumptive material break away from the primary importance, the transfer to reagent or experiment consumptive material can be realized to the cooperation drive mechanism again, whole process convenient and fast, be favorable to whole work efficiency's improvement, user experience feels splendid.

Drawings

FIG. 1 is a schematic diagram of an experimental consumable or reagent placed on a rack;

FIG. 2 is a front view of the structure of FIG. 1;

FIG. 3 is a view of the structure of a pipetting head;

fig. 4 is a schematic view of fig. 3 at a.

FIG. 5 is a structural view of a pipetting apparatus.

The reference numbers in the figures illustrate: 1. a through motor; 11. a transmission screw rod; 2. a piston; 21. a piston rod; 22. a piston cylinder; 23. A top plate; 3. a pipetting plug; 4. a consumable transfer arm; 41. a bending section; 42. a protruding portion; 5. a mounting frame; 51. a guide post; 6. resetting the sensor; 61. a sensor sensing block; 7. a push-off plate; 8. a push-off rod; 9. a work table; 10. a Z-direction transmission unit; 101. a Z-direction motor; 102. a Z-direction screw rod; 103. a substrate; 13. an X-direction transmission unit; 14. experimental consumables or reagents; 15. a location through which the consumable transfer arm passes; 16. and the upper cover of the experimental consumables or reagents.

Detailed Description

The utility model discloses a multi-functional pipetting head with the help of the accompanying drawing.

As shown in fig. 1 to 5, as a preferred embodiment of the present invention:

a multi-functional pipetting head comprising: the through motor 1 is provided with a transmission screw rod 11; the pipetting assembly comprises a piston 2 and pipetting plugs 3, a top plate 23 capable of moving up and down is arranged at the top of the piston 2, the top plate 23 is in transmission connection with the transmission screw rod 11, and a plurality of pipetting plugs 3 are arranged at the bottom of the piston 2; consumptive material shifts arm 4, consumptive material shifts arm 4 installation is fixed the bottom of piston 2, and with move liquid plug 3 and be close to mutually, consumptive material shifts arm 4 is provided with a plurality ofly and all outwards stretches out.

Preferably, the consumable transfer arms 4 are provided in two, and the two consumable transfer arms 4 are spaced apart from each other.

Wherein, through the setting of consumptive material transfer arm 4, make move the liquid head and increased a function that shifts reagent or experiment consumptive material, the principle that concrete function realized is as follows: first stretch into the bottom of the junction of two adjacent lids with consumptive material transfer arm 4, thereby drive consumptive material transfer arm 4 rebound through the whole multi-functional liquid-transfering head of drive of outside setting, can make consumptive material transfer arm 4 drive reagent or experiment consumptive material break away from the primary importance, can realize the transfer to reagent or experiment consumptive material.

It should be noted that: in practical application, the liquid transfer head is generally provided with a transmission mechanism in X, Y, Z directions, and the liquid transfer head can be moved only by matching with the moving device, so that reagents or experimental consumables can be transferred to any position, and the moving device in X, Y, Z directions is the prior art in the field, and is not described herein.

In order to strengthen the structural strength of consumable transfer arm 4, consumable transfer arm 4 is formed by integrated into one piece's kink 41 and extension 42, kink 41 one end with the bottom of piston 2 is connected, the other end with extension 42 is connected, extension 42 and horizontal plane parallel arrangement, extension 42 are used for stretching into the bottom of the junction of two adjacent lids.

Further, the piston 2 comprises a piston rod 21, a piston cylinder 22 and a top plate 23, the piston rod 21 is arranged in the piston cylinder 22, the top of the piston rod 21 is connected with the top plate 23, the piston 2 is in transmission connection with the through motor 1 through the top plate 23, the bottom of the piston rod 21 penetrates through the piston cylinder 22 and then is connected with the pipetting plugs 3, and the number of the piston rods 21 is the same as that of the pipetting plugs 3.

Preferably, the pipetting plug 3 and the piston rod 21 are each provided with 8.

It should be noted that: the through motor 1 is provided with the top plate 23 through the transmission screw rod 11, the top plate 23 is driven to move up and down through the transmission screw rod 11 on the through motor 1, so that the piston rod 21 moves up and down in the piston cylinder 22, the pipetting plug 3 has a pipetting function, and the position of the pipetting plug 3 is generally provided with a process that the pipetting pipe is matched with the whole pipetting.

Wherein, in the process that needs uncap and move the liquid, at first, stretch into the bottom of the junction of two adjacent lids with consumptive material transfer arm 4, thereby drive consumptive material transfer arm 4 and upwards remove the upward action of whole multi-functional liquid head of transfer of drive through the outside setting, make consumptive material transfer arm 4 drive reagent or experiment consumptive material break away from original position, can realize uncapping to reagent or experiment consumptive material, thereby it can realize moving the position of liquid plug 3 (will install the pipette in advance in 3 departments of plug in the adjustment piston 2 of liquid head to remove the position of liquid head through drive mechanism, make the pipette stretch into and can realize the absorption to inside liquid in reagent or the experiment consumptive material, drive the liquid head that moves through mobile device at last and remove the target position.

In practical application, the liquid transfer head is generally provided with a transmission mechanism in X, Y, Z directions, and the liquid transfer head can be moved only by matching with the moving device, so that reagents or experimental consumables can be transferred to any position, and the moving device in X, Y, Z directions is the prior art in the field, and is not described herein.

In order to facilitate the installation of the whole liquid transfer head, the liquid transfer head further comprises an installation frame 5, the through motor 1 is fixedly installed on the installation frame 5, guide pillars 51 are arranged on the installation frame 5 on two sides of the through motor 1, and the top plate 23 is slidably installed on the guide pillars 51.

In order to enable a user to conveniently obtain the working state of the piston 2, a sensor sensing block 61 is further arranged on the top plate 23, and a reset sensor 6 is arranged on the mounting frame 5 at a position close to the initial position of the top plate 23.

Move and still be equipped with between liquid plug 3 and the piston 2 bottom and push away and take off board 7, move liquid plug 3 and consumptive material transfer arm 4 and all install push away and take off on the board 7, push away and take off board 7 movable mounting in the bottom of piston 2, it is equipped with and pushes away and takes off pole 8 to push away and take off board 7 upper portion, it passes to push away and take off pole 8 stretch out upwards behind the piston cylinder body 22. When the user pushes down and pushes away taking off pole 8, push away taking off pole 8 can push down and push away taking off board 7 thereby make move liquid plug 3 break away from piston 2, the convenience is changed moving liquid plug 3.

The utility model discloses still provide the second kind embodiment:

a pipetting apparatus comprising a multi-functional pipetting head as described above, further comprising: the workbench 9 is used for placing reagents or experimental consumables; and the transmission mechanism is in transmission connection with the multifunctional pipetting head and comprises a Z-direction transmission unit 10, and the Z-direction transmission unit 10 is used for driving the multifunctional pipetting head to move up and down.

Preferably, the Z-direction transmission unit includes a Z-direction motor 101, a Z-direction lead screw 102 and a substrate 103, the mounting frame 5 is slidably mounted on the substrate 103, the Z-direction lead screw 102 is further mounted and fixed on the substrate 103, the Z-direction lead screw 102 is in transmission connection with the mounting frame 5, the Z-direction motor 101 is disposed on the top of the substrate 103, and the Z-direction motor 101 is in transmission connection with the Z-direction lead screw 102.

Wherein, the transmission mechanism further comprises an X-direction transmission unit 13 for driving the multifunctional pipetting head to move in the X direction.

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

1. A multi-functional pipetting head comprising:

the mounting frame is provided with the through motor, and the through motor is provided with a transmission screw rod;

the pipetting assembly comprises a piston and a pipetting plug, the top of the piston is provided with a top plate capable of moving up and down, the top plate is in transmission connection with the transmission screw rod, and the bottom of the piston is connected with a plurality of pipetting plugs;

the consumptive material shifts the arm, the installation of consumptive material shifts the arm is fixed the bottom of piston, and with move liquid the plug and be close to mutually, the consumptive material shifts the arm and is provided with a plurality ofly and all outwards stretches out.

2. The multi-functional pipetting head of claim 1, wherein there are two consumable transfer arms and there is a gap between the two consumable transfer arms.

3. The multi-functional pipetting head of claim 1, wherein the consumable transfer arm is formed by an integrally formed bent portion and an extended portion, the bent portion is connected to the bottom of the piston at one end and the extended portion at the other end, and the extended portion is parallel to a horizontal plane.

4. The multifunctional pipetting head of claim 1, wherein the piston comprises a piston rod, a piston cylinder and the top plate, the piston rod is arranged in the piston cylinder, the top of the piston rod extends outwards and is connected with the top plate, the piston is in transmission connection with the through motor through the top plate, the bottom of the piston rod penetrates through the piston cylinder and is connected with the pipetting plugs, and the number of the piston rods is the same as that of the pipetting plugs.

5. The multi-functional pipetting head of claim 4, wherein the through motor has guide posts on both sides of the mounting rack, the top plate is mounted on the guide posts, and the top plate is slidably mounted on the guide posts.

6. The multi-functional pipetting head of claim 5, wherein the top plate is further provided with a reset sensor, and the mounting frame is provided with a reset sensor at a position close to the initial position of the top plate.

7. The multi-functional pipetting head of claim 1, wherein there are 8 pipetting plugs and piston rods.

8. The multifunctional pipetting head of claim 1, wherein a stripper plate is further disposed between the pipetting plug and the bottom of the piston, and the pipetting plug and the consumable transfer arm are both mounted on the stripper plate.

9. A pipetting device comprising a multi-functional pipetting head according to any of claims 1-8, characterized by further comprising:

the workbench is used for placing reagents or experimental consumables;

and the transmission mechanism is in transmission connection with the multifunctional pipetting head and comprises a Z-direction transmission unit, and the Z-direction transmission unit is used for driving the multifunctional pipetting head to move up and down.

10. The pipetting apparatus as recited in claim 9 wherein the Z-direction transmission unit comprises a Z-direction motor, a Z-direction screw rod and a base plate, the base plate is slidably mounted with the mounting rack, the base plate is also fixedly mounted with the Z-direction screw rod, the Z-direction screw rod is in transmission connection with the mounting rack, the Z-direction motor is arranged on the top of the base plate, and the Z-direction motor is in transmission connection with the Z-direction screw rod.