CN215917446U

CN215917446U - Special suction head for automatic system

Info

Publication number: CN215917446U
Application number: CN202121657343.7U
Authority: CN
Inventors: 王芳; 曲明燕; 刘宏; 于美景; 许飞
Original assignee: Weihai Hongyu Medical Devices Co ltd
Current assignee: Weihai Hongyu Medical Devices Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-01
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of biological consumables, and discloses a special sucker for an automatic system, which solves the problems that the surface of a sucker in the current market is smooth and inconvenient to install, the surface has no scales and is inconvenient to read, the phenomenon of liquid sagging caused by poor material quality is serious, and the inner cavity of the sucker is directly contacted with a pipettor to easily cause poor liquid pollution; the utility model has the advantages of convenient fastening connection of the suction head and the liquid shifter, improvement of the universality of the suction head, convenient observation and reading of the volume of the sucked liquid, prevention of the liquid from sagging on the inner wall of the suction pipe, avoidance of cross contamination of the liquid and improvement of the accuracy and credibility of the result.

Description

Special suction head for automatic system

Technical Field

The utility model belongs to the technical field of biological consumables, and particularly relates to a special sucker for an automatic system.

Background

At present, the pipette tips sold in the market are mainly hollow tubular articles made of polyethylene materials, are used for being installed on a pipette, suck and spit out liquid by means of air pressure generated by the pipette, and have different sizes according to the type of the pipette, namely the maximum volume of liquid to be pipetted each time, and the common specifications are 50000 microliter, 1000 microliter, 200 microliter, 10 microliter and the like.

But the suction head surface that uses on the existing market is more smooth, does not do good power when manual and pipettor are installed, and the back is relatively easy to drop after the installation is accomplished, and the suction head surface is not provided with the scale, is not convenient for to the reading of absorbing solution, and the inner chamber that current suction head absorbed liquid directly contacts with the pipettor in addition, and the liquid in the suction head is relatively easy the adhesion on the pipettor in the operation process, causes cross contamination when getting liquid next time, in view of above defect, we have proposed automatic system special suction head.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the special sucker for the automatic system, which effectively solves the problems that the sucker in the current market has smooth surface, is inconvenient to install, has no scales on the surface, is inconvenient to read, has serious liquid sagging phenomenon due to poor use material, and easily causes poor liquid pollution due to the fact that the inner cavity of the sucker is directly contacted with a pipettor.

In order to achieve the purpose, the utility model provides the following technical scheme: automatic special suction head of system, including the suction head, the suction head includes stand pipe, joint pipe and pipette, the bottom fixedly connected with joint pipe of stand pipe, the bottom fixedly connected with pipette of joint pipe.

Preferably, the inner cavity of the clamping pipe is divided into three sections, and the inner diameters of the three sections of clamping pipes are gradually reduced from top to bottom.

Preferably, the side surface of the clamping pipe is provided with anti-skid lines.

Preferably, the side of the pipette is provided with scales, the pipe diameter of the pipette gradually decreases from top to bottom, and the cross section of the bottom of the pipette pipe is semicircular.

Preferably, the material of the suction head is polypropylene.

Preferably, the bottom of the inner cavity of the pipette is fixedly connected with a baffle, and the top of the baffle is provided with a through hole.

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

1) in the work, the suction head is firstly pinched by arranging the guide pipe, the clamping pipe and the anti-slip patterns, so that the suction head is conveniently aligned with the liquid transfer device, the experimental efficiency is improved, more force points are provided by arranging the anti-slip patterns on the side surface of the clamping pipe, the clamping pipe is conveniently and tightly installed on the liquid transfer device and is not easy to fall off, the inner cavity of the clamping pipe is designed in a three-section mode, the inner diameter of the clamping pipe in the three-section mode is gradually reduced from top to bottom, and the inner wall of the clamping pipe and the vertical surface of the clamping pipe form a five-degree inclination angle, so that the suction head can be conveniently connected with the liquid transfer devices of different models, and the universality of the suction head is improved;

2) the utility model discloses a pipette, through setting up the pipette, the scale, baffle and suction head, when utilizing the pipettor to absorb liquid, through the setting of pipette side scale, can be more clear observation and the volume of reading absorption liquid, whole suction head is made by the polypropylene material, good hydrophobicity has, prevent that liquid from causing the unsafe phenomenon of actual reading at pipette inner wall sagging, the pipe diameter of pipette is by last to diminishing gradually down, the nib tapering, more be fit for micro-liquid operation, through the setting of baffle and baffle top through-hole in the pipette inner chamber, can prevent liquid and pipettor direct contact when guaranteeing that the suction head can normally absorb liquid, avoid cross contamination, ensure the result accuracy and the credibility of experiment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the present invention at point A;

fig. 4 is a schematic cross-sectional view of a pipette of the construction of the utility model;

in the figure: 1. a suction head; 2. a guide tube; 3. clamping the connecting pipe; 4. a pipette; 5. anti-skid lines; 6. calibration; 7. a baffle plate; 8. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment, as shown in fig. 1-4, the utility model includes a suction head 1, the suction head 1 includes a guide tube 2, a clamping tube 3 and a liquid suction tube 4, the clamping tube 3 is fixedly connected to the bottom of the guide tube 2, the liquid suction tube 4 is fixedly connected to the bottom of the clamping tube 3, and the guide tube 2, the clamping tube 3 and the liquid suction tube 4 are designed in an integrated manner, so as to ensure the structural integrity of the suction head 1.

The inner cavity of the clamping pipe 3 is divided into three sections, the inner diameters of the three sections of clamping pipes 3 are gradually reduced from top to bottom, and the inner wall of each clamping pipe forms a five-degree inclination angle with the vertical plane, so that the suction head 1 can be conveniently connected with pipettors of different models, and the universality of the suction head 1 is improved.

Wherein, the side of joint pipe 3 is provided with anti-skidding line 5, and anti-skidding line 5 provides more impetus, and what be convenient for fasten installs suction head 1 on the pipettor, is difficult for droing.

Wherein, the side of pipette 4 is provided with scale 6, the operating personnel's of being convenient for observation and the volume of reading absorption liquid, and pipette 4's pipe diameter by the top down diminishes gradually, the nib tapering more is fit for micro-liquid operation, and the cross-section semicircular in shape of pipette 4 body bottom, and the injury is brought to operating personnel to suction head 1 is avoided in slick and sly bottom design.

Wherein, the material of suction head 1 is the polypropylene material for suction head 1 has good hydrophobicity, prevents that liquid from sagging at pipette 4 inner wall and causing the inaccurate phenomenon of actual reading.

Wherein, the bottom fixedly connected with baffle 7 of pipette 4 inner chamber, and the through-hole 8 has been seted up at the top of baffle 7, can prevent liquid and pipettor direct contact when guaranteeing that suction head 1 can normally absorb liquid, avoid cross contamination, ensure the result accuracy and the credibility of experiment.

The working principle is as follows: when the clamping pipe is in work, the suction head 1 is firstly pinched, the suction head 1 is conveniently aligned with a pipettor through the arrangement of the guide pipe 2, the experiment efficiency is improved, the anti-skid grains 5 on the side surface of the clamping pipe 3 provide more force points, the clamping pipe is conveniently and firmly arranged on the pipettor and is not easy to fall off, the inner cavity of the clamping pipe 3 is designed in a three-section mode, the inner diameter of the three-section clamping pipe 3 is gradually reduced from top to bottom, the inner wall of the three-section clamping pipe forms a five-degree inclination angle with the vertical surface, the suction head 1 is conveniently connected with pipettors of different models, and the universality of the suction head 1 is improved;

when utilizing the pipettor to absorb liquid, through the setting of pipette 4 side scale 6, the volume of absorption liquid can be more clear observation and reading, whole suction head 1 is made by the polypropylene material, good hydrophobicity has, prevent that liquid from causing the unsafe phenomenon of actual reading at pipette 4 inner wall sagging, the cross-section semicircular in shape of pipette 4 bottom, slick and sly bottom design avoids suction head 1 to bring the injury to operating personnel, pipette 4's pipe diameter is by the top down diminishes gradually, the nib tapers off gradually, more be fit for micro-liquid operation, through the setting of

baffle

7 and 7 top through-holes 8 of baffle in the pipette 4 inner chamber, can prevent liquid and pipettor direct contact when guaranteeing that suction head 1 can normally absorb liquid, avoid cross contamination, ensure the result accuracy and the credibility of experiment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Automatic special suction head of system, including suction head (1), its characterized in that: the suction head (1) comprises a guide pipe (2), a clamping pipe (3) and a liquid suction pipe (4), the clamping pipe (3) is fixedly connected to the bottom of the guide pipe (2), and the liquid suction pipe (4) is fixedly connected to the bottom of the clamping pipe (3).

2. The automated system specific tip of claim 1, wherein: the inner cavity of the clamping pipe (3) is divided into three sections, and the inner diameters of the three sections of clamping pipes (3) are gradually reduced from top to bottom.

3. The automated system specific tip of claim 1, wherein: the side surface of the clamping pipe (3) is provided with anti-skid grains (5).

4. The automated system specific tip of claim 1, wherein: the side of the pipette (4) is provided with scales (6), the pipe diameter of the pipette (4) is gradually reduced from top to bottom, and the cross section of the bottom of the pipe body of the pipette (4) is semicircular.

5. The automated system specific tip of claim 1, wherein: the suction head (1) is made of polypropylene.

6. The automated system specific tip of claim 1, wherein: the bottom of the inner cavity of the pipette (4) is fixedly connected with a baffle (7), and the top of the baffle (7) is provided with a through hole (8).