CN220715903U - Multichannel range adjustable pipettor - Google Patents

Abstract

The utility model relates to the technical field of pipettors and discloses a multichannel range-adjustable pipettor which comprises a mounting seat, wherein a plurality of groups of pipettes which are distributed at equal intervals are fixedly connected to the mounting seat, a connecting rod is rotatably connected to the mounting seat, a sliding groove is formed in the connecting rod, a driving plate is slidably connected to the sliding groove, the driving plate penetrates through a lifting groove to be fixedly connected with a pressing plate, a first lifting groove is formed in the top of the pipettes, a lifting block is slidably connected to the first lifting groove, a lifting rod is fixedly connected to the lifting block, a rotating cylinder is rotatably connected to the lifting rod, a driving block is fixedly connected to one end of the rotating cylinder, a baffle is fixedly connected to the first lifting groove, and a prism is slidably connected to the baffle.

Description

Multichannel range adjustable pipettor

Technical Field

The utility model relates to the technical field of pipettors, in particular to a multichannel range-adjustable pipettor.

Background

The liquid-transfering device, also called liquid-transfering gun, is a measuring tool for transferring liquid from original container to another container in a certain range, and is extensively used in the fields of biology and chemistry, etc. its basic structure mainly includes several portions of display window, volume-regulating component, piston, O-ring, suction tube and suction head, etc..

The method is characterized in that a culture medium is required to be prepared, nine milliliters or ten milliliters of liquid reagent is required to be packaged into a glass test tube in the process, a large part of laboratories adopt ten milliliters of pipettes or straws to sample a single test tube, the conventional multichannel pipettes in the market have small measuring range, the requirement of microorganism packaging is not met, and if the number of the single-time prepared reagents is large and the number of the packaged reagents is large, the workload is large and the consumed time is long.

Disclosure of Invention

The utility model aims to provide a multichannel range-adjustable pipettor so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a multichannel range adjustable pipettor, includes the mount pad, fixedly connected with multiunit equidistance distributed's pipette on the mount pad, rotate on the mount pad and be connected with the connecting rod, be provided with the sliding tray in the connecting rod, sliding connection has the drive plate in the sliding tray, the drive plate passes a lifter groove fixedly connected with clamp plate, the pipette top is provided with first lifting tray, sliding connection has the lifter on the lifter, lifter internal rotation is connected with a rotation section of thick bamboo, fixedly connected with drive block on the rotation section of thick bamboo one end, fixedly connected with baffle in the first lifting tray, sliding connection has the prism on the prism, fixedly connected with screw rod on screw rod and the drive block threaded connection, be provided with the cover between lifter and the baffle and establish the first spring on the prism, the pipette bottom is provided with a stock solution section of thick bamboo, sliding connection has the briquetting between second lifting tray, sliding connection has the piston block between piston block and the briquetting, fixedly connected with connecting rod is established to the second spring on the connecting rod in the second lifting tray.

As a further scheme of the utility model: the other end of the rotating cylinder is fixedly connected with a knob.

As a further scheme of the utility model: be provided with the scale on the pipette outer wall, fixedly connected with pointer on the briquetting, scale and pointer mutually support.

As a further scheme of the utility model: the outer wall of the connecting rod is fixedly connected with a handle.

As a further scheme of the utility model: the connecting rod is internally provided with a connecting groove, a compression bar is connected in the connecting groove in a sliding way, and one end of the compression bar is fixedly connected to the driving plate.

As still further aspects of the utility model: the other end of the compression bar is fixedly connected with a pressing button.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, multichannel sampling is realized through the arrangement of the plurality of groups of pipettes, and meanwhile, the equipment can respectively and accurately adjust the liquid taking amounts of the plurality of groups of pipettes, so that quantitative liquid taking of a plurality of groups of reagents is realized, the workload of staff is reduced, the working efficiency of the equipment is accelerated, and the practicability of the equipment is improved.

Drawings

Fig. 1 is a schematic structural view of a multichannel range-adjustable pipette according to the present utility model.

Fig. 2 is a front view of a multichannel range-adjustable pipette according to the present utility model.

FIG. 3 is a cross-sectional view of a multichannel range-adjustable pipette according to the present utility model.

In the figure: 1-mount, 2-connecting rod, 3-slide groove, 4-drive plate, 5-connecting groove, 6-grip, 7-compression bar, 8-press button, 9-compression plate, 10-pipette, 11-first lifting groove, 12-lifting block, 13-lifting rod, 14-baffle, 15-prism, 16-screw, 17-first spring, 18-rotating cylinder, 19-drive block, 20-knob, 21-second lifting groove, 22-connecting rod, 23-liquid storage cylinder, 24-orifice, 25-piston block, 26-press block, 27-second spring, 28-scale, 29-pointer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in the embodiment of the utility model, a multichannel range adjustable pipettor comprises a mounting seat 1, a plurality of groups of pipettes 10 distributed at equal intervals are fixedly connected on the mounting seat 1, a connecting rod 2 is rotatably connected on the mounting seat 1, a sliding groove 3 is arranged in the connecting rod 2, a driving plate 4 is slidably connected in the sliding groove 3, the driving plate 4 is fixedly connected with a pressing plate 9 through a lifting groove, a first lifting groove 11 is arranged at the top of the pipettes 10, a lifting block 12 is slidably connected in the first lifting groove 11, a lifting rod 13 is fixedly connected on the lifting block 12, a rotating cylinder 18 is rotatably connected in the lifting rod 13, a driving block 19 is fixedly connected on one end of the rotating cylinder 18, a partition plate 14 is fixedly connected in the first lifting groove 11, a prism 15 is slidably connected on the partition plate 14, a screw 16 is fixedly connected on the prism 15, the screw 16 is in threaded connection with the driving block 19, the utility model discloses a pipette, which is characterized in that a first spring 17 sleeved on a prism 15 is arranged between a lifting block 12 and a baffle 14, a liquid storage cylinder 23 is arranged at the bottom of the pipette 10, a second lifting groove 21 is arranged between the liquid storage cylinder 23 and the baffle 14, a pressing block 26 is connected in a sliding manner in the second lifting groove 21, a piston block 25 is connected in a sliding manner in the liquid storage cylinder 23, a connecting rod 22 is fixedly connected between the piston block 25 and the pressing block 26, a second spring 27 sleeved on the connecting rod 22 is arranged in the second lifting groove 21, a handle 6 is fixedly connected on the outer wall of the connecting rod 2, a connecting groove 5 is arranged in the connecting rod 2, a pressing rod 7 is connected in a sliding manner in the connecting groove 5, one end of the pressing rod 7 is fixedly connected on a driving plate 4, the other end of the pressing rod 7 is fixedly connected with a pressing button 8, a worker holds the handle 6 and presses the pressing button 8 when taking or discharging liquid, the push button 8 drives the pull rod to press downwards, the press rod 7 drives the press plate 9 to press downwards, the press plate 9 drives the lifting block 12 to press downwards, the lifting block 12 drives the knob 20 to press downwards, the knob 20 drives the lifting block 12 to press downwards through the driving block 19 and the lifting rod 13, the lifting block 12 drives the prism 15 to press downwards, the prism 15 drives the press block 26 to press downwards, the press block 26 drives the piston block 25 to compress through the connecting rod 22, thereby the sample liquid or gas in the liquid storage tank is discharged, meanwhile, the equipment compresses the first spring 17 and the second spring 27, then the staff releases the push button 8, the equipment automatically resets under the elastic pushing of the first spring 17 and the second spring 27, and meanwhile, the equipment can rotate and change a plurality of groups of pipettes 10 through the rotating connection of the mounting seat 1 and the connecting rod 2 so as to conveniently carry out liquid transferring on a plurality of groups of sample liquids.

In one case of this embodiment, referring to fig. 1 to 3, a knob 20 is fixedly connected to the other end of the rotary cylinder 18, the rotary cylinder 18 is driven to rotate by screwing the knob 20, the rotary cylinder 18 drives a driving block 19 to rotate, the driving block 19 drives the screw 16 to lift through threaded connection with the screw 16, the screw 16 drives the prism 15 to lift, the prism 15 drives a pressing block 26 to press down, and the pressing block 26 drives the piston block 25 to press down through a connecting rod 22, so that the relative height between the piston block 25 and the liquid storage cylinder 23 is adjusted, that is, the effective volume in the liquid storage cylinder 23 is adjusted.

In one case of this embodiment, referring to fig. 1 to 3, a scale 28 is disposed on the outer wall of the pipette 10, a pointer 29 is fixedly connected to the pressing block 26, the scale 28 and the pointer 29 are mutually matched, the device adjusts the effective volume in the liquid storage barrel 23, and the pressing block 26 drives the pointer 29 to lift, so that the effective volume in the liquid storage barrel 23 is intuitively displayed through the mutual matching of the scale 28 and the pointer 29.

The working principle of the utility model is as follows: when the liquid taking or discharging device is used for taking liquid or discharging liquid, firstly, the knob 20 can be screwed to drive the rotary cylinder 18 to rotate, the rotary cylinder 18 drives the driving block 19 to rotate, the driving block 19 drives the screw 16 to lift through threaded connection with the screw 16, the screw 16 drives the prism 15 to lift, the prism 15 drives the pressing block 26 to press down, the pressing block 26 drives the piston block 25 to press down through the connecting rod 22, so that the relative height between the piston block 25 and the liquid storage cylinder 23 is adjusted, namely, the effective volume in the liquid storage cylinder 23 is adjusted, the effective volume in the liquid storage cylinder 23 is intuitively displayed through mutual matching of the scale 28 and the pointer 29, a worker holds the handle 6 and presses the pressing button 8, the pressing button 8 drives the pull rod to press down, the pressing rod 7 drives the pressing plate 9 to press down, the lifting block 12 drives the knob 20 to press down, the pressing block 20 drives the lifting block 12 to press down through the driving block 19 and the lifting rod 13, the prism 15 drives the prism 15 to press down, the pressing block 26 drives the pressing block 26 to press down, the pressing block 26 drives the piston block 26 to press down through the connecting rod 25 to press down, and the liquid storage box 17 is further compressed by the elastic spring 17 to be connected with the liquid storage cylinder 23, and the liquid can be discharged through the elastic spring 17, and the liquid sample can be conveniently discharged through the elastic device is automatically, and the liquid sample can be discharged through the second spring 17.

While the fundamental principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential features thereof, and therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present utility model being defined by the appended claims rather than the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a multichannel range adjustable pipettor, includes the mount pad, fixedly connected with multiunit equidistance distributed's pipette on the mount pad, rotate on the mount pad and be connected with the connecting rod, be provided with the sliding tray in the connecting rod, sliding connection has the drive plate in the sliding tray, the drive plate passes lift groove fixedly connected with clamp plate, the pipette top is provided with first lift groove, sliding connection has the lifter in the first lift groove, fixedly connected with lifter on the lifter, lifter swivelling joint has a rotary cylinder, fixedly connected with drive block on the rotary cylinder one end, fixedly connected with baffle in the first lift groove, sliding connection has the prism on the prism, fixedly connected with screw rod on screw rod and the drive block threaded connection, be provided with the cover between lifter and the baffle and establish the first spring on the prism, the pipette bottom is provided with the stock solution section of thick bamboo, is provided with the second lift groove between stock solution section of thick bamboo and the baffle, sliding connection has the briquetting in the first lift groove, sliding connection has the piston block between piston block and the briquetting, fixedly connected with lifter between second link is provided with the second spring on the second cover.

2. The multi-channel range adjustable pipette of claim 1 wherein a knob is fixedly connected to the other end of the rotating cylinder.

3. The multichannel range adjustable pipette of claim 1, wherein a graduated scale is arranged on the outer wall of the pipette, a pointer is fixedly connected to the pressing block, and the graduated scale is matched with the pointer.

4. The multi-channel range adjustable pipette of claim 1 wherein a grip is fixedly connected to the outer wall of the connecting rod.

5. The multi-channel range adjustable pipette of claim 1 wherein a connecting slot is arranged in the connecting rod, a pressing rod is connected in the connecting slot in a sliding way, and one end of the pressing rod is fixedly connected to the driving plate.

6. The multi-channel range adjustable pipette of claim 5 wherein the other end of the pressure lever is fixedly connected with a pressing button.