CN210700177U

CN210700177U - Pipettor convenient to change suction head

Info

Publication number: CN210700177U
Application number: CN201921266126.8U
Authority: CN
Inventors: 简珊珊; 郭晓辰
Original assignee: Jiangsu Bomeida Life Science Co Ltd
Current assignee: Jiangsu Bomeida Life Science Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-09
Anticipated expiration: 2029-08-06

Abstract

The utility model provides a pipettor convenient to change suction head relates to pipettor technical field. This pipettor convenient to change suction head includes the pipette and changes the mechanism, and the surface bottom of transition pipe is connected with the surface top of rand, the surface bottom of rand and the internal surface connection of the installation body, the surface bottom left side of the installation body is connected with the surface top of liquid outlet, and the surface of liquid outlet is connected with the internal surface top of going out the liquid tubule, go out the surface top of liquid tubule and the internal surface threaded connection who adds the retainer ring, the surface right side middle part of transition pipe is connected with the surface left side of side ear. The utility model discloses a rand and installation body etc.'s use, so can conveniently go out the change and the use of liquid tubule when using, so be convenient for change the suction head, because of the use of liquid outlet and connector etc. again, so conveniently change when using, so the device can reach the purpose of being convenient for change the suction head.

Description

Pipettor convenient to change suction head

Technical Field

The utility model relates to a pipettor technical field specifically is a pipettor convenient to change suction head.

Background

The pipettor is a instrument that removes liquid, however the tip is more difficult to change for current pipettor mostly, so often need be more troublesome when needing to change, if not change the tip moreover, often the pipettor mostly uses several just can not use again, so often need take it down after using, disinfect the convenient reuse of handling, so to this problem, can design the pipettor of being convenient for change the tip.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a pipettor convenient to change suction head, reach the purpose of being convenient for change the suction head to prior art not enough.

(II) technical scheme

In order to realize the above-mentioned purpose that has clean function, the utility model provides a following technical scheme: the utility model provides a pipettor convenient to change suction head, includes the pipette and changes the mechanism, it includes side ear, transition pipe, external screw thread pipe, connector, connection board, junction tube, rand, liquid outlet, reinforcing ring, play liquid tubule, the installation body, ring, joint pole and activity pearl to change the mechanism, the surface top of pipette is connected with the internal surface bottom of arc handle, the surface right side top of pipette is connected with the surface left side of side dress piece, the surface bottom of pipette is connected with the surface top of junction tube, the internal surface of junction tube is connected with the surface of external screw thread pipe, the surface bottom of external screw thread pipe is connected with the surface top of transition pipe, the surface bottom of transition pipe is connected with the surface top of rand, the surface bottom of rand is connected with the internal surface of installation body, the surface bottom left side of installation body is connected with the surface top of liquid outlet, the surface of liquid outlet and the internal surface top of going out the liquid tubule are connected, go out the internal surface threaded connection of the surface top of liquid tubule and reinforcing ring, the surface right side middle part of transition pipe is connected with the surface left side of side ear.

Preferably, the middle part of the right side of the outer surface of the side mounting plate is connected with the left side of the outer surface of the connecting body, and the right side of the outer surface of the connecting body is connected with the bottom of the left side of the outer surface of the connecting plate.

Preferably, the top of the outer surface of the connection plate is connected with the outer surface of the movable ball, and the top of the outer surface of the movable ball is connected with the bottom of the outer surface of the connection rod.

Preferably, the top of the outer surface of the pipette is connected with the bottom of the outer surface of the push rod, and the top of the outer surface of the push rod is connected with the bottom of the outer surface of the disc.

Preferably, the top of the outer surface of the connecting rod is connected with the bottom of the outer surface of the circular ring, and the number of the side lugs is two.

Preferably, the middle part of the short connecting pipe is provided with a round opening, and the inner diameter of the round opening is larger than the outer diameter of the external threaded pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a pipettor convenient to change suction head possesses following beneficial effect:

1. the utility model discloses a mutual cooperation of transition pipe, external screw thread pipe, connector, play liquid tubule, reinforcing ring, rand and installation body isotructure is used, so can conveniently go out the change and the use of liquid tubule when using, so be convenient for change the suction head, again because there is mutual cooperation of push rod, liquid outlet and connector isotructure to use, so conveniently change when using, so can know from this, the device can reach the purpose of being convenient for change the suction head.

2. The utility model discloses a disk, push rod, arc are mutually supported the use of, side dress piece, activity pearl, pipette and ring isotructure, so can be better when using the convenience can hang when not using to can facilitate the use, so can know from this, the device is more practical and more convenient.

Drawings

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

FIG. 2 is a schematic view of the enlarged structure of the part A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of a part of the enlarged structure at B of fig. 1 according to the present invention.

In the figure: 1 pipette, 2 replacing mechanisms, side lugs 201, transition tubes 202, external threaded tubes 203, connecting bodies 204, connecting plates 205, connecting short tubes 206, collars 207, liquid outlets 208, reinforcing rings 209, liquid outlet thin tubes 210, mounting bodies 211, circular rings 212, connecting rods 213, movable beads 214, circular plates 3, push rods 4, arc-shaped handles 5 and side mounting plates 6.

Detailed Description

Referring to fig. 1-3, a pipette convenient for tip replacement comprises a pipette 1 and a replacement mechanism 2, the replacement mechanism 2 comprises a side lug 201, a transition tube 202, an external threaded tube 203, a connecting body 204, a connecting plate 205, a short connecting tube 206, a collar 207, a liquid outlet 208, a reinforcing ring 209, a liquid outlet tube 210, a mounting body 211, a ring 212, a connecting rod 213 and a movable bead 214, the top of the external surface of the pipette 1 is fixedly connected with the bottom of the internal surface of an arc handle 5, the top of the right side of the external surface of the pipette 1 is welded with the left side of the external surface of a side mounting plate 6, the bottom of the external surface of the pipette 1 is welded with the top of the external surface of the short connecting tube 206, the internal surface of the short connecting tube 206 is in threaded connection with the external surface of the external threaded tube 203, the bottom of the external surface of the external threaded tube 203 is welded with, the bottom of the outer surface of the clamping ring 207 is clamped with the inner surface of the mounting body 211, the left side of the bottom of the outer surface of the mounting body 211 is inserted with the top of the outer surface of the liquid outlet 208, the outer surface of the liquid outlet 208 is in threaded connection with the top of the inner surface of the liquid outlet tube 210, the top of the outer surface of the liquid outlet tube 210 is in threaded connection with the inner surface of the reinforcing ring 209, the middle of the right side of the outer surface of the transition tube 202 is welded with the left side of the outer surface of the side lug 201, the middle of the right side of the outer surface of the side mounting plate 6 is welded with the left side of the outer surface of the connecting body 204, the right side of the outer surface of the connecting body 204 is welded with the bottom of the left side of the outer surface of the connecting plate 205, the top of the outer surface of the connecting plate 205 is movably connected with, the top of the outer surface of the connecting rod 213 is welded with the bottom of the outer surface of the circular ring 212, the number of the side lugs 201 is two, the middle part of the connecting short pipe 206 is provided with a circular opening, the inner diameter of the circular opening is larger than the outer diameter of the external threaded pipe 203, the pipette convenient for replacing the suction head is used by mutually matching the structures of the transition pipe 202, the external threaded pipe 203, the connecting body 204, the liquid outlet pipe 210, the reinforcing ring 209, the clamping ring 207, the mounting body 211 and the like, so that the replacement and the use of the liquid outlet pipe 210 can be convenient when in use, and the suction head can be conveniently replaced when in use because of mutually matching the structures of the push rod 4, the liquid outlet 208, the connecting body 204 and the like, so that the device can achieve the purpose of conveniently replacing the suction head, and can be used by mutually matching the structures of the circular ring 3, the push rod 4, the arc handle 5, the side mounting plate 6, the, therefore, the device can be hung when not in use better and conveniently, so that the device is convenient to use, and therefore, the device is more practical and convenient.

When the pipette is used, when the suction head needs to be replaced, the liquid outlet thin tube 210 is slightly rotated by hand, so that the pipette can be taken down from the upper surface of the mounting body 211, if the ring needs to be connected with the suction head for replacement, the side lug 201 is shifted, so that the transition tube 202 and the connecting short tube 206 can be separated, so that the replacement is convenient, and when the pipette needs to be hung, the ring 212 can be hooked by a hook, the pipette is also called a pipette gun and is a device for quantitatively transferring liquid, and when the research in the aspect of analysis and test is carried out, a small amount or trace amount of liquid is generally transferred by adopting the pipette. The pipettor can be divided into a gas piston type pipettor and an external piston type pipettor according to the principle, wherein the gas piston type pipettor is mainly used for standard pipetting, and the external piston type pipettor is mainly used for treating special liquids such as volatile liquid, easy corrosion and viscous liquid, and the correct use method and some detailed operations of the pipettor can be ignored by many people.

In summary, the pipette convenient for changing the suction head is used by matching the structures of the transition pipe 202, the external thread pipe 203, the connecting body 204, the liquid outlet tubule 210, the reinforcing ring 209, the clamping ring 207, the mounting body 211 and the like, therefore, the liquid outlet tubule 210 can be conveniently replaced and used when in use, so that the suction head can be conveniently replaced, and because the push rod 4, the liquid outlet 208, the connecting body 204 and other structures are mutually matched for use, therefore, the utility model is convenient to replace when in use, therefore, the device can achieve the purpose of conveniently replacing the suction head, through the mutual matching use of the structures such as the circular sheet 3, the push rod 4, the arc-shaped handle 5, the side-mounted sheet 6, the movable bead 214, the pipette 1, the circular ring 212 and the like, therefore, the device can be hung when not in use better and conveniently, so that the device is convenient to use, and therefore, the device is more practical and convenient.

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

Claims

1. A pipettor convenient to change suction head, includes pipette (1) and change mechanism (2), its characterized in that: the replacement mechanism (2) comprises side lugs (201), a transition pipe (202), an external threaded pipe (203), a connecting body (204), a connecting plate (205), a connecting short pipe (206), a clamping ring (207), a liquid outlet (208), a reinforcing ring (209), a liquid outlet pipe (210), an installation body (211), a circular ring (212), a connecting rod (213) and movable beads (214), the top of the outer surface of the pipette (1) is connected with the bottom of the inner surface of an arc-shaped handle (5), the top of the right side of the outer surface of the pipette (1) is connected with the left side of the outer surface of a side installation piece (6), the bottom of the outer surface of the pipette (1) is connected with the top of the outer surface of the connecting short pipe (206), the inner surface of the connecting short pipe (206) is connected with the outer surface of the external threaded pipe (203), and the bottom of the outer surface of the external threaded pipe (203), the surface bottom of transition pipe (202) is connected with the surface top of rand (207), the surface bottom of rand (207) and the internal surface connection of installation body (211), the surface bottom left side of installation body (211) is connected with the surface top of liquid outlet (208), the surface of liquid outlet (208) and the internal surface top of going out liquid tubule (210) are connected, go out the surface top of liquid tubule (210) and the internal surface threaded connection of reinforcing ring (209), the surface right side middle part of transition pipe (202) is connected with the surface left side of side ear (201).

2. A pipette for facilitating tip replacement according to claim 1, wherein: the middle part of the right side of the outer surface of the side mounting piece (6) is connected with the left side of the outer surface of the connecting body (204), and the right side of the outer surface of the connecting body (204) is connected with the bottom of the left side of the outer surface of the connecting plate (205).

3. A pipette for facilitating tip replacement according to claim 1, wherein: the top of the outer surface of the connecting plate (205) is connected with the outer surface of the movable bead (214), and the top of the outer surface of the movable bead (214) is connected with the bottom of the outer surface of the connecting rod (213).

4. A pipette for facilitating tip replacement according to claim 1, wherein: the top of the outer surface of the pipette (1) is connected with the bottom of the outer surface of the push rod (4), and the top of the outer surface of the push rod (4) is connected with the bottom of the outer surface of the wafer (3).

5. A pipette for facilitating tip replacement according to claim 1, wherein: the top of the outer surface of the connecting rod (213) is connected with the bottom of the outer surface of the circular ring (212), and the number of the side lugs (201) is two.

6. A pipette for facilitating tip replacement according to claim 1, wherein: the middle part of the short connecting pipe (206) is provided with a round opening, and the inner diameter of the round opening is larger than the outer diameter of the external thread pipe (203).