CN210994370U

CN210994370U - Liquid transfer device capable of quantitatively taking liquid

Info

Publication number: CN210994370U
Application number: CN201921965681.XU
Authority: CN
Inventors: 初道才; 李姝玮
Original assignee: Qingdao China Inspection Textile Inspection Co ltd
Current assignee: Qingdao China Inspection Textile Inspection Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-14
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a pipettor of liquid is got to ability ration relates to sample collection technical field, including operating handle, the sucking rod is installed at operating handle's top, operating handle's bottom fixed mounting has handheld suction tube, operating handle is run through in the bottom slip of sucking rod, the sucking rod is located the inside one end fixed mounting of handheld suction tube and has rubber piston, rubber piston's top fixed mounting has the spring, the multichannel connects is installed to the bottom of handheld suction tube, the combination department fixed mounting of handheld suction tube and multichannel connects has sealing connecting piece, the inside of multichannel connects is provided with the imbibition chamber. This pipettor of liquid is got to ability ration connects and solid stopper layer through setting up the multichannel, can connect a plurality of pipettes simultaneously, and the multichannel connects inside imbibition chamber to play excessive function, guarantees when the imbibition, and interior pressure is invariable, makes the sample volume in the pipettor unanimous, has improved sampling efficiency, has shortened test cycle.

Description

Liquid transfer device capable of quantitatively taking liquid

Technical Field

The utility model relates to a sample collection technical field specifically is a pipettor of liquid is got to ability ration.

Background

A pipette, also called a pipette, is a measuring tool for transferring liquid from an original container to another container within a certain range, and is widely used in medical treatment, medicine, gene and medicine development research laboratories and other biotechnology fields.

When the prior pipettor sucks liquid with a certain volume into the pipettor, the liquid is usually manually dispensed into one or more dispensing volumes, and only one sample can be added at a time, so that a large amount of time is often needed for sampling when the experimental batch is large, the inspection period is long, the inspection efficiency is low, and the pipettor is not suitable for large-batch experimental operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can quantitative pipettor of getting liquid to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid transfer device capable of quantitatively taking liquid comprises an operating handle, wherein the top of the operating handle is provided with a suction rod, the bottom of the operating handle is fixedly provided with a handheld suction tube, the bottom of the suction rod penetrates through the operating handle in a sliding manner, a rubber piston is fixedly arranged at one end of the suction rod positioned in the handheld suction tube, a spring is fixedly arranged at the top of the rubber piston, the bottom of the hand-held suction tube is provided with a multi-channel joint, the joint of the hand-held suction tube and the multi-channel joint is fixedly provided with a sealing connecting piece, a liquid suction cavity is arranged inside the multi-channel joint, a solid plug layer is fixedly arranged inside the liquid suction cavity, the surface of the solid plug layer is provided with a plurality of jacks, the bottom of the multi-channel joint is provided with a plurality of pipettes, the bottom of pipette runs through the multichannel joint, the outside of pipette is provided with the scale mark.

Preferably, the top of the suction rod is fixedly provided with a handheld handle, and the outer wall of the rubber piston is connected with the inner wall of the handheld suction tube in a sliding manner.

Preferably, a plurality of handheld grooves are formed in two sides of the bottom of the operating handle, and the handheld grooves are uniformly distributed.

Preferably, the outer side of the handheld suction tube is fixedly provided with an anti-skid layer, and the anti-skid layer is a rubber anti-skid layer.

Preferably, the top of the spring is fixedly connected with the bottom of the operating handle, and the spring is fixedly arranged on the outer side of the suction rod.

Preferably, a plurality of the jacks are uniformly distributed, and the diameter value of the pipette is smaller than the aperture value of the jack.

Preferably, a plurality of the pipettes are uniformly distributed, and pipette tips are fixedly installed at the bottoms of the pipettes.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this can quantitative pipettor of getting liquid connects and solid stopper layer through setting up the multichannel, can connect a plurality of pipettes simultaneously, and the multichannel connects inside imbibition chamber to play excessive function, guarantees when the imbibition, and interior pressure is invariable, makes the sample volume in the pipette unanimous, has improved sampling efficiency, has shortened test period.

(2) This can quantitative pipettor of getting liquid through setting up handheld recess and skid resistant course, makes operating personnel more convenient when moving the liquid, reduces the error, through setting up the scale mark, reaches the purpose that can the ration get liquid, makes to move the liquid volume more accurate.

Drawings

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

FIG. 2 is a schematic sectional view of the structure of the suction tube of the present invention;

FIG. 3 is a schematic cross-sectional view of the multi-channel joint structure of the present invention;

fig. 4 is a perspective view of the pipette of the present invention.

In the figure: 1. an operating handle; 2. a suction rod; 3. a handle; 4. a hand-held recess; 5. a hand-held suction tube; 6. an anti-slip layer; 7. a sealing connection; 8. a multi-channel joint; 9. a pipette; 10. a pipette tip; 11. a spring; 12. a rubber piston; 13. a liquid suction chamber; 14. a solid plug layer; 15. a jack; 16. scale lines are marked.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a liquid transfer device capable of quantitatively taking liquid comprises an operating handle 1, wherein a suction rod 2 is installed at the top of the operating handle 1, a handheld handle 3 is fixedly installed at the top of the suction rod 2, a plurality of handheld grooves 4 are formed in two sides of the bottom of the operating handle 1, the handheld grooves 4 are uniformly distributed, a handheld suction tube 5 is fixedly installed at the bottom of the operating handle 1, an anti-skid layer 6 is fixedly installed on the outer side of the handheld suction tube 5, the anti-skid layer 6 is a rubber anti-skid layer, an operator can more conveniently transfer liquid by arranging the handheld grooves 4 and the anti-skid layer 6, errors are reduced, the bottom of the suction rod 2 slides to penetrate through the operating handle 1, a rubber piston 12 is fixedly installed at one end, located inside the handheld suction tube 5, of the suction rod 2, the outer wall of the rubber piston 12 is slidably connected with the inner wall of the handheld suction tube 5, a spring 11 is fixedly installed at the top of the rubber piston 12, the top, the spring 11 is fixedly installed on the outer side of the suction rod 2, the multi-channel joint 8 is installed at the bottom of the handheld suction tube 5, the sealing connecting piece 7 is fixedly installed at the joint of the handheld suction tube 5 and the multi-channel joint 8, the liquid suction cavity 13 is arranged inside the multi-channel joint 8, the solid plug layer 14 is fixedly installed inside the liquid suction cavity 13, by arranging the multi-channel joint 8 and the solid plug layer 14, a plurality of pipettes 9 can be connected simultaneously, the liquid suction cavity 13 inside the multi-channel joint 8 has an over function, the internal pressure is constant during liquid suction, the sample volume in the pipettes 9 is consistent, the sampling efficiency is improved, the inspection period is shortened, a plurality of jacks 15 are formed in the surface of the solid plug layer 14, the jacks 15 are uniformly distributed, a plurality of pipettes 9 are arranged at the bottom of the multi-channel joint 8, the multi-channel joint 8 is penetrated through the bottom of the, the diameter value of pipette 9 is less than the aperture value of jack 15, and the bottom fixed mounting of pipette 9 has pipettor rifle head 10, and the outside of pipette 9 is provided with scale mark 16, through setting up scale mark 16, reaches the purpose that can the ration get liquid, makes and moves the liquid volume more accurate.

The working principle is as follows: insert into solid plug layer 14 through jack 15 with the top of pipette 9, insert the stock solution bottle with pipettor rifle head 10 again, pull handheld handle 3, make sucker rod 2 drive rubber piston 12 and remove, the inside imbibition chamber 13 of multichannel joint 8 plays excessive function, guarantee when the imbibition, interior pressure is invariable, sample volume in making pipette 9 is unanimous, make in the liquid entering pipette 9 of stock solution bottle, through setting up handheld recess 4 and skid resistant course 6, it is more convenient when moving the liquid to make operating personnel, reduce the error, through setting up scale mark 16, reach the purpose that can the ration get liquid, it is more accurate to make the volume of moving the liquid.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pipettor of ability ration liquid-taking, includes operating handle (1), its characterized in that: the suction rod (2) is installed at the top of the operating handle (1), a handheld suction tube (5) is fixedly installed at the bottom of the operating handle (1), the bottom of the suction rod (2) penetrates through the operating handle (1) in a sliding mode, a rubber piston (12) is fixedly installed at one end, located inside the handheld suction tube (5), of the suction rod (2), a spring (11) is fixedly installed at the top of the rubber piston (12), a multi-channel connector (8) is installed at the bottom of the handheld suction tube (5), a sealing connecting piece (7) is fixedly installed at the joint of the handheld suction tube (5) and the multi-channel connector (8), a liquid suction cavity (13) is formed inside the multi-channel connector (8), a solid plug layer (14) is fixedly installed inside the liquid suction cavity (13), a plurality of inserting holes (15) are formed in the surface of the solid plug layer (14), a plurality of liquid transfer tubes (9) are arranged at the bottom of the multi-channel connector, the bottom of the pipette (9) penetrates through the multi-channel joint (8), and scale marks (16) are arranged on the outer side of the pipette (9).

2. A pipette capable of metered withdrawal of liquid according to claim 1, characterised in that: the top of the suction rod (2) is fixedly provided with a handheld handle (3), and the outer wall of the rubber piston (12) is connected with the inner wall of the handheld suction tube (5) in a sliding manner.

3. A pipette capable of metered withdrawal of liquid according to claim 1, characterised in that: a plurality of handheld grooves (4) are formed in two sides of the bottom of the operating handle (1) and are evenly distributed, and the handheld grooves (4) are formed in the bottom of the operating handle.

4. A pipette capable of metered withdrawal of liquid according to claim 1, characterised in that: the outer side of the handheld suction tube (5) is fixedly provided with an anti-skid layer (6), and the anti-skid layer (6) is a rubber anti-skid layer.

5. A pipette capable of metered withdrawal of liquid according to claim 1, characterised in that: the top of the spring (11) is fixedly connected with the bottom of the operating handle (1), and the spring (11) is fixedly installed on the outer side of the suction rod (2).

6. A pipette capable of metered withdrawal of liquid according to claim 1, characterised in that: a plurality of the jacks (15) are uniformly distributed, and the diameter value of the pipette (9) is smaller than the aperture value of the jacks (15).

7. A pipette capable of metered withdrawal of liquid according to claim 1, characterised in that: a plurality of the pipettes (9) are uniformly distributed, and pipette tips (10) are fixedly installed at the bottoms of the pipettes (9).