CN220835638U

CN220835638U - Liquid transfer device

Info

Publication number: CN220835638U
Application number: CN202322527240.4U
Authority: CN
Inventors: 吴昊伟; 王璞
Original assignee: Mitro Biotech Co ltd
Current assignee: Mitro Biotech Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-26
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a liquid dispenser, which comprises a main body, wherein a liquid storage bottle is arranged at one end of the main body, a liquid suction pipe is arranged at one end, far away from the main body, of the liquid storage bottle, a fixing frame is fixedly connected to the other end of the main body, and hanging frames are fixedly connected to the positions of the two ends of the inner wall of the fixing frame.

Description

Liquid transfer device

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a pipette.

Background

A pipette, also called a pipette gun, is an instrument for quantitatively transferring liquid. In the case of analytical testing, a pipette (pipette) is typically used to remove small or minute amounts of liquid. The pipettes can be classified into gas piston pipettes and external piston pipettes according to the principle. The gas piston type liquid transfer device is mainly used for standard liquid transfer, and the external piston type liquid transfer device is mainly used for treating special liquid such as volatile, easy corrosion, sticky and the like. The proper method of use of the pipette and its detailed operation are ignored by many.

The existing pipettor has certain defects, and because in the experimental process, the pipettor is required to be used for dripping the inside of a plurality of sample test tubes, and the existing pipettor is required to be used for circularly sucking and dripping liquid in the use process, the operation is complex, so that the pipetting is inconvenient to control, and the pipetting efficiency is affected.

Disclosure of utility model

In order to solve the problems, the utility model provides a liquid dispenser, which is realized by the following technical scheme.

The utility model provides a pipettor, includes the main part, the stock solution bottle is installed to the one end of main part, and the stock solution bottle is kept away from the one end of main part and is installed the pipette, the equal fixedly connected with gallows in the position at the other end fixedly connected with mount of main part, and the inner wall both ends of mount, the one end rotation of gallows is connected with the second leading wheel, be equipped with pumping mechanism between main part and the mount, and pumping mechanism is equipped with fly leaf, piston, stay cord.

Further, the main body, the liquid storage bottle and the liquid suction pipe are detachably connected through threads, and the main body, the liquid storage bottle and the liquid suction pipe are communicated.

Further, the liquid storage bottle and the liquid suction pipe are made of transparent materials, and the transparent materials are one of plastics or glass.

Further, a piston cavity is formed in the main body, a suction hole communicated with the piston cavity is formed in one end, connected with the liquid storage bottle, of the main body, an opening is formed in the other end of the main body, a threading hole is formed in the main body, and the opening is communicated with the piston cavity through the threading hole.

Further, the inner wall of the opening is rotationally connected with two first guide wheels, the piston is slidably connected in the piston cavity, the top of the piston is fixedly connected with a spring, and the other end of the spring is fixed on the inner wall of the piston cavity.

Further, the two stay cords are fixed and are connected to the top of the piston in a winding mode, one end of each stay cord, which penetrates through the threading hole together, is wound on the two first guide wheels and the second guide wheels respectively, and the two stay cords are connected to the movable plate.

Further, two sliding rods are fixedly connected to the top of the movable plate, and one ends of the two sliding rods, which movably penetrate through the fixing frame, are fixedly connected with a pressing plate together.

The device has the beneficial effects that in the working process, the movable plate can be driven to move by pressing the pressing plate, the movable plate can pull the piston to move by the pull rope, and the piston is matched with the main body to generate suction force, so that the liquid storage bottle and the liquid suction pipe connected with one end of the main body can suck liquid, then the pressing plate is slowly released to press, and at the moment, the spring connected with the piston can generate reaction force, so that the piston is reset, further extrusion force is generated, the sucked liquid can be extruded out, the disassembly and assembly are convenient, and the operation is convenient for liquid transferring.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1: the utility model discloses a structural schematic diagram of a liquid dispenser;

fig. 2: a partial enlarged view at a shown in fig. 1;

fig. 3: a partial enlarged view at B shown in fig. 1.

The reference numerals are as follows:

1. A main body; 101. a piston chamber; 102. a suction hole; 103. a threading hole; 104. an opening; 105. a first guide wheel;

2. A liquid storage bottle;

3. a pipette;

4. a fixing frame; 401. a hanging bracket; 402. a second guide wheel;

5. a movable plate; 501. A slide bar; 502. Pressing the plate;

6. A piston; 601. A spring;

7. And (5) pulling the rope.

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.

As shown in fig. 1-3, the present utility model has the following specific examples.

Examples:

The utility model provides a pipettor, includes main part 1, liquid storage bottle 2 is installed to the one end of main part 1, and liquid suction pipe 3 is installed to the one end that main part 1 was kept away from to liquid storage bottle 2, and the other end fixedly connected with mount 4 of main part 1, and the equal fixedly connected with gallows 401 in position at the inner wall both ends of mount 4, and the one end rotation of gallows 401 is connected with second leading wheel 402, is equipped with pumping mechanism between main part 1 and the mount 4, and pumping mechanism is equipped with fly leaf 5, piston 6, stay cord 7.

Through adopting above-mentioned technical scheme, at first, can drive fly leaf 5 through pressing the clamp plate 502 and remove, fly leaf 5 can stimulate piston 6 through stay cord 7 and remove, piston 6 cooperation main part 1 can produce the suction, thereby liquid storage bottle 2 and the pipette 3 that make 1 one end of main part connect can absorb liquid, then press the clamp plate 502 through slowly loosening, the spring 601 of connecting piston 6 can produce the reaction force this moment, thereby make piston 6 reset, and then produce the extrusion force, then can extrude the liquid of absorbing, make things convenient for the dismouting, the operation of being convenient for is pipetted.

Specifically, the main body 1, the liquid storage bottle 2 and the liquid suction pipe 3 are in detachable threaded connection, and the main body 1, the liquid storage bottle 2 and the liquid suction pipe 3 are communicated;

The liquid storage bottle 2 and the liquid suction pipe 3 are made of transparent materials, and the transparent materials are one of plastics or glass.

Through adopting above-mentioned technical scheme, adopt detachable connection between main part 1, stock solution bottle 2, the pipette 3 of setting to be convenient for change or clean, wherein stock solution bottle 2 and pipette 3 adopt transparent material to make, can be convenient for run through inside liquid level, convenient control dropping liquid.

Specifically, a piston cavity 101 is formed in the main body 1, a suction hole 102 communicated with the piston cavity 101 is formed in one end, connected with the liquid storage bottle 2, of the main body 1, an opening 104 is formed in the other end of the main body 1, a threading hole 103 is formed in the main body 1, and the opening 104 is communicated with the piston cavity 101 through the threading hole 103;

The inner wall of the opening 104 is rotatably connected with two first guide wheels 105, the piston 6 is slidably connected in the piston cavity 101, the top of the piston 6 is fixedly connected with a spring 601, and the other end of the spring 601 is fixed on the inner wall of the piston cavity 101;

the two pull ropes 7 are fixedly wound on the top of the piston 6, one ends of the two pull ropes 7 penetrating through the threading holes 103 together are wound on the two first guide wheels 105 and the second guide wheels 402 respectively, and the two pull ropes 7 are connected to the movable plate 5;

The top of the movable plate 5 is fixedly connected with two slide bars 501, and one end of the two slide bars 501, which movably penetrates through the fixed frame 4, is fixedly connected with a pressing plate 502.

Through adopting above-mentioned technical scheme, can stimulate piston 6 in the inside activity of piston chamber 101, thereby make main part 1 carry out imbibition or weeping through liquid storage bottle 2 and the pipette 3 of connection, wherein when imbibition is carried out, press the push plate 502 earlier and pass mount 4 through slide bar 501 and promote fly leaf 5 along main part 1 downwardly sliding, fly leaf 5 can carry out the direction through two stay cords 7 on second leading wheel 402 and first leading wheel 105 and pull piston 6 of connection and upwards slide in piston chamber 101, piston 6 upwards slides and can produce suction through suction hole 102, suction hole 102 can absorb liquid through liquid storage bottle 2 and pipette 3, the liquid of absorption can enter into liquid storage bottle 2 inside through pipette 3 and store, when weeping, can be through slowly loosen the pressing of pressing plate 502, because piston 6 produces the extrusion force to spring 601 when upwards moving, spring 601 is pressed and can produce the reaction force, its reaction force can promote piston 6 and move down, then can be through suction hole 102 to the inside pressurization of bottle 2, thereby can be with the inside liquid of liquid storage bottle 2 through pipette 3, thereby the weeping of being convenient for carry out weeping.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A pipette comprising a body (1), characterized in that: liquid storage bottle (2) are installed to one end of main part (1), and liquid suction pipe (3) are installed to one end that main part (1) was kept away from to liquid storage bottle (2), the other end fixedly connected with mount (4) of main part (1), and the equal fixedly connected with gallows (401) in position at the inner wall both ends of mount (4), the one end rotation of gallows (401) is connected with second leading wheel (402), be equipped with pumping mechanism between main part (1) and mount (4), and pumping mechanism is equipped with fly leaf (5), piston (6), stay cord (7).

2. A pipette as defined in claim 1 wherein: the main body (1), the liquid storage bottle (2) and the liquid suction pipe (3) are in detachable threaded connection, and the main body (1), the liquid storage bottle (2) and the liquid suction pipe (3) are communicated.

3. A pipette as defined in claim 1 wherein: the liquid storage bottle (2) and the liquid suction pipe (3) are made of transparent materials, and the transparent materials are one of plastics or glass.

4. A pipette as defined in claim 1 wherein: the inside of main part (1) has seted up piston chamber (101), and main part (1) connect liquid storage bottle (2) one end set up with piston chamber (101) communicating suction port (102), opening (104) have been seted up to the other end of main part (1), and threading hole (103) have been seted up to the inside of main part (1), and opening (104) are through threading hole (103) and piston chamber (101) communicating.

5. A pipette as recited in claim 4 wherein: the inner wall of the opening (104) is rotationally connected with two first guide wheels (105), the piston (6) is slidably connected in the piston cavity (101), the top of the piston (6) is fixedly connected with a spring (601), and the other end of the spring (601) is fixed on the inner wall of the piston cavity (101).

6. A pipette as recited in claim 5 wherein: the two pull ropes (7) are fixedly connected to the top of the piston (6) in a winding mode, one ends of the two pull ropes (7) penetrating through the threading holes (103) are respectively wound on the two first guide wheels (105) and the second guide wheels (402), and the two pull ropes (7) are connected to the movable plate (5).

7. A pipette as recited in claim 6 wherein: the top of fly leaf (5) fixedly connected with two slide bars (501), the one end that two slide bars (501) activity run through mount (4) is fixedly connected with pressing plate (502) jointly.