CN218872248U

CN218872248U - Novel multichannel pipettor

Info

Publication number: CN218872248U
Application number: CN202222517339.1U
Authority: CN
Inventors: 申舒琦; 金文璋; 莫云长
Original assignee: Wenzhou Medical University
Current assignee: Wenzhou Medical University
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-04-18
Anticipated expiration: 2032-09-22

Abstract

The utility model belongs to the field of pipettors, in particular to a novel multi-channel pipettor, which is heavier aiming at the existing multi-channel pipettors on the market, and can cause fatigue of a user due to repeated sample adding for a long time; the problem that reagents are wasted due to the fact that no container matched with a multi-channel liquid transfer device is used for containing the reagents in the market is solved, and the liquid transfer device comprises a liquid transfer device main body, wherein the liquid transfer device main body comprises a range adjusting rod and a connecting head; the multi-channel joint is connected with the pipettor body through a connector, and the connector is communicated with the multi-channel joint; the suction assembly is arranged on the multi-channel connector and is used for sucking liquid; supporting component and hold the subassembly, the utility model provides a pipettor main part can be in an imbibition circulation internal absorption porous liquid, simultaneously can be according to experiment needs selectivity imbibition, hand shake and the waste that reduces reagent when avoiding the application of sample, facilitates the use.

Description

Novel multichannel pipettor

Technical Field

The utility model relates to a pipettor technical field especially relates to a novel multichannel pipettor.

Background

Pipettes are one of the instruments commonly used in biochemical laboratories, and are commonly used in laboratories for the removal of small or minute amounts of liquids. The liquid transfer device discharges air in the lower end of the liquid transfer device by pressing the piston downwards, and liquid with a certain volume is sucked into the gun head through air pressure difference when the piston moves upwards. Multi-channel pipettors of 8, 12, 16 channels are currently available on the market.

The existing multi-channel pipettor has the following problems:

1. the multi-channel pipettor on the market is heavy, and the fatigue of a user can be caused by repeated sample adding for a plurality of times for a long time;

2. there is no container on the market that matches with multichannel pipettor to hold reagent, has caused the waste of reagent.

To the above problem, the utility model discloses the file provides a novel multichannel pipettor for solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel multi-channel pipettor, which solves the problems that the multi-channel pipettor on the market is heavy in the prior art, and the repeated sample adding for a plurality of times for a long time can cause the fatigue of a user; reagent is not contained in a container matched with the multi-channel pipettor on the market, so that the reagent is wasted.

The utility model provides a following technical scheme:

a novel multichannel pipettor, comprising:

the liquid transfer device comprises a liquid transfer device main body, a liquid transfer device and a control unit, wherein the liquid transfer device main body comprises a range adjusting rod and a connector;

the multi-channel joint is connected with the pipettor body through a connector, and the connector is communicated with the multi-channel joint;

the suction assembly is arranged on the multi-channel connector and is used for sucking liquid;

supporting component with hold the subassembly, supporting component is used for reducing the fatigue of user and supports the pipettor main part, holds subassembly and pipettor main part and to matching and be used for holding the reagent.

In one possible design, the suction assembly comprises a plurality of connecting sleeves and a plurality of suction nozzles, the connecting sleeves are all arranged in the multi-channel joint, the connecting sleeves and the suction nozzles are all provided with the same five-turn threads, and the connecting sleeves are in threaded connection with the suction nozzles.

In one possible design, the support assembly and the containment assembly each include a bottom tray having a length and width corresponding to the length and width of a 96-well plate and a pipettor rack.

In a possible design, the equal fixedly connected with bracing piece in both sides that the multichannel connects, the periphery on chassis is equipped with a plurality of supports that can form the support to the bracing piece, the quantity of support is eight, and the size, the shape of each support are unanimous, and each support interval is 27mm, the support is the Y type.

In one possible design, the number of the connecting sleeves and the number of the suction nozzles are 3*8, the suction nozzles are consistent in shape and are arranged in three rows in parallel, the distance between every two adjacent suction nozzles is consistent, and the center distance is 9mm.

In one possible design, the pipettor rack comprises 3*8V-shaped holes, the diameters and the heights of the holes are the same, the center distance of the holes is 9mm, the holes are communicated with one another, the chassis can accommodate 4 pipettor racks, and the pipettor racks are V-shaped.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

The utility model provides a beneficial effect does:

the utility model discloses in, through setting up 3*8 suction nozzles, can absorb more porous liquid in an imbibition circulation, through setting up the support, and the support is the Y type, through placing the bracing piece on the support, can support the pipettor main part, solved like this and repeated a lot of imbibitions for a long time and lead to the problem of user fatigue, hand shake.

The utility model discloses in, through having set up pipettor frame and chassis, and the pipettor frame is the V type, the pipettor frame has included 3*8V-arrangement pore, can arrange the required reagent of experiment in the pore, because liquid can circulate each other between each pore, one can make the liquid volume of every pore distribution even unanimous, two can effectively solve the multichannel pipettor on the market and not match the reagent waste that holds the kit and cause, when not using simultaneously, the pipettor frame can just in time be placed in the chassis, facilitate the use.

The utility model discloses in, this pipettor main part can be in an imbibition circulation interior suction porous liquid, simultaneously can be according to the experiment needs selectivity imbibition, hand shake and the waste that reduces reagent when avoiding the application of sample, facilitate the use.

Drawings

Fig. 1 is an exploded schematic view of a novel multichannel pipette according to an embodiment of the present invention;

fig. 2 is a schematic view of a novel multichannel pipette according to an embodiment of the present invention;

fig. 3 is a schematic view of a structure of a chassis and a bracket of a novel multi-channel pipette provided in an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a multichannel joint of a novel multichannel pipette provided in an embodiment of the present invention;

fig. 5 is a schematic view of a top view structure of a pipette holder of the multi-channel pipette provided in the embodiment of the present invention.

Reference numerals are as follows:

1. a pipettor body; 2. a range adjusting rod; 3. a connector; 4. a multi-channel joint; 5. a support bar; 6. a connecting sleeve; 7. a suction nozzle; 8. a pipettor rack; 9. a chassis; 10. and (4) a bracket.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "mounted" are to be interpreted broadly, for example, the terms "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. Further, "communication" may be direct communication or indirect communication through an intermediary. The term "fixed" means that they are connected to each other and their relative positional relationship is not changed after the connection. The directional terms used in the embodiments of the present invention, such as "inner", "outer", "top", "bottom", etc., are merely directions referring to the drawings, and therefore, the directional terms used are intended to better and more clearly illustrate and understand the embodiments of the present invention, rather than to indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.

In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the embodiment of the present invention, "and/or" is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather mean "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless otherwise specifically stated.

Example 1

Referring to fig. 1-5, a novel multichannel pipette includes:

the liquid transfer device comprises a liquid transfer device main body 1, wherein the liquid transfer device main body 1 comprises a range adjusting rod 2 and a connector 3;

the multi-channel joint 4 is connected with the pipettor main body 1 through the connector 3, and the connector 3 is communicated with the multi-channel joint 4;

the suction assembly is arranged on the multi-channel joint 4 and is used for sucking liquid;

supporting component with hold the subassembly, supporting component is used for reducing the fatigue of user and supports pipettor main part 1, holds subassembly and pipettor main part 1 to matching and be used for holding the reagent.

Among the above-mentioned technical scheme, this pipettor main part 1 can be in a imbibition circulation internal suction porous liquid, simultaneously can be according to experiment needs selectivity imbibition, hand shake and the waste of reduction reagent when avoiding the application of sample, facilitate the use.

Referring to fig. 2-3, the suction assembly includes a plurality of connecting sleeves 6 and a plurality of suction nozzles 7, the plurality of connecting sleeves 6 are all disposed in the multi-channel joint 4, the plurality of connecting sleeves 6 and the plurality of suction nozzles 7 are all provided with the same five-turn thread, and the connecting sleeves 6 are in threaded connection with the suction nozzles 7.

According to the technical scheme, the suction nozzle 7 and the connecting sleeve 6 are internally provided with the same five-circle threads, when the liquid suction device is used, the connecting sleeve 6 can be rotated to screw the suction nozzle 7 out of the liquid suction device main body 1 according to experimental requirements, and the liquid suction device is convenient to use; when the liquid suction device is not used, the liquid suction device can be screwed into the liquid suction device body 1, so that pollution is avoided, and the occupied area of the liquid suction device body 1 is reduced.

Referring to fig. 4-5, the support assembly and the holding assembly respectively comprise a bottom plate 9 and a pipettor rack 8, and the length and width of the bottom plate 9 are consistent with those of the 96-well plate.

Above-mentioned technical scheme, when using, can place 96 orifice plates in chassis 9, convenient operation.

Example 2

Referring to fig. 1-5, a novel multichannel pipette includes:

According to the technical scheme, the suction nozzle 7 and the connecting sleeve 6 are internally provided with the same five-circle threads, when the pipette is used, the connecting sleeve 6 can be rotated to screw the suction nozzle 7 out of the pipette main body 1 according to experimental requirements, and the pipette is convenient to use; when the liquid suction device is not used, the liquid suction device can be screwed into the liquid suction device body 1, so that pollution is avoided, and the occupied area of the liquid suction device body 1 is reduced.

Referring to fig. 4-5, the support assembly and the holding assembly each comprise a bottom tray 9 and a pipettor rack 8, the bottom tray 9 having a length and width corresponding to the length and width of the 96-well plate.

Referring to fig. 2 and 5, the support rods 5 are fixedly connected to both sides of the multi-channel joint 4, a plurality of supports 10 capable of supporting the support rods 5 are arranged on the periphery of the base plate 9, the number of the supports 10 is eight, the size and the shape of each support 10 are consistent, the distance between every two supports 10 is 27mm, and the supports 10 are Y-shaped.

Above-mentioned technical scheme through placing bracing piece 5 on support 10, can support pipettor main part 1, has solved like this and has relapseed many times imbibition for a long time and lead to the problem of user fatigue, hand shake.

Referring to fig. 2-3, the number of the connecting sleeves 6 and the number of the suction nozzles 7 are 3*8, the suction nozzles 7 are identical in shape, are arranged in three parallel rows side by side, the distance between every two adjacent suction nozzles 7 is identical, and the center distance is 9mm.

According to the technical scheme, as the 3*8 suction nozzles 7 are arranged, the shapes of the suction nozzles 7 are consistent, the suction nozzles 7 are arranged in three parallel rows side by side, the distance between every two adjacent suction nozzles 7 is consistent, and the center distance is 9mm, so that the suction nozzles 7 are matched with a 96-hole plate.

Referring to fig. 4, the pipettor rack 8 includes 3*8V-shaped channels, each channel has the same diameter and height, the center distance of each channel is 9mm, the channels are communicated with each other, the chassis 9 can accommodate 4 pipettor racks 8, and the pipettor racks 8 are V-shaped.

Above-mentioned technical scheme can arrange the required reagent of experiment in the pore, because liquid can circulate each other between each pore, one can make the liquid volume of every pore distribution even unanimous, two can effectively solve the multichannel pipettor on the market and not match the reagent waste that holds the kit and cause, when not using, pipettor frame 8 can just in time be placed in chassis 9, facilitates the use simultaneously.

The working principle and the using process of the technical scheme are as follows: because 3*8 suction nozzles 7 are arranged, the shapes of the suction nozzles 7 are consistent, the suction nozzles 7 are arranged in three rows in parallel side by side, the distance between every two adjacent suction nozzles 7 is consistent, and the center distance is 9mm, so that the suction nozzles 7 are matched with a 96-hole plate;

meanwhile, the suction nozzle 7 and the connecting sleeve 6 are internally provided with the same five-turn threads, when the pipette is used, the suction nozzle 7 can be screwed out of the pipette main body 1 by rotating the connecting sleeve 6 according to experimental requirements, and the pipette is convenient to use; when the liquid transfer device is not used, the liquid transfer device body 1 can be screwed in to avoid pollution and reduce the occupied area of the liquid transfer device body 1;

the liquid can be collected by pushing and pulling the range adjusting rod 2, and due to the arrangement of the chassis 9, when the liquid collecting device is used, the 96-hole plate can be placed in the chassis 9, the support 10 is arranged on the chassis 9, the support 10 is Y-shaped, and the liquid collecting device main body 1 can be supported by placing the support rod 5 on the support 10, so that the problems of fatigue and hand shaking of a user caused by repeated liquid suction for a long time are solved;

set up pipettor frame 8 and pipettor frame 8 simultaneously and be the V type, pipettor frame 8 has included 3*8V-arrangement pore, can arrange the required reagent of experiment in the pore, because liquid can circulate each other between each pore, one can make the liquid volume of every pore distribution even unanimous, two can effectively solve multichannel pipettor on the market and do not match the reagent waste that holds the kit and cause, when not using, pipettor frame 8 can just in time be placed in chassis 9, and is convenient for use.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention; without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A novel multichannel pipettor, comprising:

the liquid transfer device comprises a liquid transfer device main body (1), wherein the liquid transfer device main body (1) comprises a range adjusting rod (2) and a connector (3);

the multi-channel joint (4), the multi-channel joint (4) is connected with the liquid transfer device main body (1) through a connector (3), and the connector (3) is communicated with the multi-channel joint (4);

the suction assembly is arranged on the multi-channel joint (4) and is used for sucking liquid;

supporting component with hold the subassembly, supporting component is used for reducing the user fatigue and supports pipettor main part (1), holds subassembly and pipettor main part (1) to matching and be used for holding the reagent.

2. The novel multichannel pipette according to claim 1, wherein the suction assembly comprises a plurality of connection sleeves (6) and a plurality of suction nozzles (7), the plurality of connection sleeves (6) are all arranged in the multichannel joint (4), the plurality of connection sleeves (6) and the plurality of suction nozzles (7) are all provided with the same five-turn thread, and the connection sleeves (6) are in threaded connection with the suction nozzles (7).

3. A novel multichannel pipette as claimed in claim 1, wherein the support and holding assemblies comprise a bottom plate (9) and a pipette holder (8), respectively, and the length and width of the bottom plate (9) are consistent with those of a 96-well plate.

4. The novel multichannel pipette according to claim 3, wherein support rods (5) are fixedly connected to both sides of the multichannel joint (4), a plurality of supports (10) capable of supporting the support rods (5) are arranged on the periphery of the chassis (9), the number of the supports (10) is eight, the size and the shape of each support (10) are consistent, the distance between every two adjacent supports (10) is 27mm, and each support (10) is Y-shaped.

5. A novel multichannel pipette according to claim 2, characterized in that the number of the connection sleeve (6) and the number of the suction nozzles (7) are 3*8, and the suction nozzles (7) have the same shape and are arranged in three parallel rows side by side, the distance between every two adjacent suction nozzles (7) is the same, and the center-to-center distance is 9mm.

6. The novel multichannel pipette as claimed in claim 3, wherein the pipette rack (8) comprises 3*8V-shaped orifices, the diameters and heights of all orifices are the same, the center-to-center distance of all orifices is 9mm, the orifices are communicated with each other, the chassis (9) can accommodate 4 pipette racks (8), and the pipette racks (8) are V-shaped.