CN218554117U

CN218554117U - Disposable small-capacity sample suction filtration pipette tip

Info

Publication number: CN218554117U
Application number: CN202221789886.9U
Authority: CN
Inventors: 刘恒瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-03-03
Anticipated expiration: 2032-07-12

Abstract

The utility model belongs to the technical field of suction filtration pipette head technique and specifically relates to a disposable small capacity sample suction filtration pipette head, including suction filtration pipette head body, suction filtration pipette head body inside fixed servo motor that is equipped with, servo motor lower extreme transmission is connected and is equipped with the second gear, suction filtration pipette head body lower extreme is fixed and is equipped with the transmission head, and it is flexible to drive the lifter through pressing down suction button control elevator motor to it is inside flexible at a piston section of thick bamboo to drive the piston, and the liquid taking pipe effect to liquid taking pipe installation plug surface is passed through the pipeline under the inside pressure effect of a piston section of thick bamboo, thereby sucks liquid, when needing to convert into double, presses down push switch servo motor and drives the rotation of second gear, thereby it is rotatory to drive first gear through the second gear, and it is rotatory to rotate the liquid pumping head through the rotation axis drive when first gear is rotatory, thereby makes and rotates liquid pumping head and fixed liquid pumping head and use side by side.

Description

Disposable small-capacity sample suction filtration pipette tip

Technical Field

The utility model relates to a suction filtration pipette tip technical field specifically is disposable small capacity sample suction filtration pipette tip.

Background

The pipette is one kind of pipettor, is commonly used in the laboratory to the removal of a small amount of or trace liquid, and the specification is different, and the pipette of different specifications matches and uses the rifle head of different sizes, and the shape of different manufacturers' production is also slightly different, but theory of operation and operating method are unanimous basically. The liquid-transfering gun belongs to a precise instrument, and is carefully used and stored, so that damage is prevented, and the measuring range is prevented from being influenced.

The existing multi-head sample suction filtration pipette head is generally fixed at the lower end of the pipette head in a row and used in parallel, but the pipette head cannot be folded and is not easy to use under the condition that a container opening corresponding to one-time sampling is small, so that the problem is solved by the disposable small-capacity sample suction filtration pipette head.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable small capacity sample suction filtration pipette tip to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

disposable low capacity sample suction filtration pipette tip, including suction filtration pipette tip body, the inside fixed servo motor that is equipped with of suction filtration pipette tip body, the transmission of servo motor lower extreme is connected and is equipped with the second gear, the fixed transmission head that is equipped with of suction filtration pipette tip body lower extreme, the inside rotation of transmission head is equipped with first gear, and first gear and second gear meshing are connected, first gear lower extreme is through rotatory and rotation pipette tip fixed connection, the fixed liquid head that takes out that is equipped with of suction filtration pipette tip body lower extreme, the inside power that is equipped with of suction filtration pipette tip body, fixed liquid head all is equipped with the liquid transmission device of taking with the rotation liquid head inside, fixed liquid head that takes out and the fixed liquid head installation liquid pipe plug that is equipped with of rotation liquid head lower extreme.

As the utility model discloses preferred scheme, servo motor and power electric connection, and formed circuit and push switch electric connection.

As the utility model discloses preferred scheme, get liquid drive mechanism and include elevator motor, lifter, piston and a piston section of thick bamboo.

As the utility model discloses preferred scheme, piston sliding connection is inside the piston cylinder, and the piston cylinder passes through the pipe connection with liquid intaking pipe installation plug.

As the utility model discloses preferred scheme, elevator motor passes through the lifter and is connected with the piston transmission.

As the utility model discloses preferred scheme, elevator motor with power electric connection, and the resultant circuit and suction button electric connection.

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

1. the utility model discloses in, it is flexible to drive the lifter through pressing suction button control elevator motor, thereby it is inside flexible at the piston cylinder to drive the piston, the liquid taking pipe effect to liquid taking pipe installation plug surface through the pipeline under the effect of the inside pressure of piston cylinder, thereby suction liquid, when needing to convert into double, it is rotatory to press push down push switch servo motor to drive the second gear, thereby it is rotatory to drive first gear through the second gear, it is rotatory to drive the rotation liquid suction head through the rotation axis during first gear is rotatory, thereby it uses side by side with fixed liquid suction head to make the rotation liquid suction head.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

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

fig. 3 is a schematic view of the structure of the liquid-taking transmission mechanism of the present invention.

In the figure: 1. a push switch; 2. a power source; 3. a suction filtration pipette tip body; 4. a servo motor; 5. a first gear; 6. a second gear; 7. fixing the liquid pumping head; 8. a plug is arranged on the liquid taking pipe; 9. rotating the liquid pumping head; 10. a liquid taking transmission mechanism; 11. a drive head; 12. a lifting motor; 13. a lifting rod; 14. a piston; 15. a piston cylinder; 16. a pump button.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the embodiment of the invention, please refer to fig. 1, 2 and 3, disposable small-capacity sample suction filtration pipette tip, including suction filtration pipette tip body 3, inside fixed servo motor 4 that is equipped with of suction filtration pipette tip body 3, servo motor 4 lower extreme transmission connection is equipped with

second gear

6, 3 fixed transmission heads 11 that are equipped with of suction filtration pipette tip body lower extreme, the inside rotation of transmission head 11 is equipped with first gear 5, and first gear 5 is connected with the meshing of second gear 6, first gear 5 lower extreme through rotatory and rotation pipette head 9 fixed connection, the fixed pipette head 7 that is equipped with of suction filtration pipette tip body 3 lower extreme, the inside power 2 that is equipped with of suction filtration pipette tip body 3, fixed pipette head 7 and the inside liquid taking drive mechanism 10 that all is equipped with of rotation pipette head 9, fixed pipette head 7 and the lower extreme of rotation pipette head 9 all fixedly are equipped with liquid taking pipe installation plug 8.

Referring to fig. 1, 2 and 3, the servo motor 4 is electrically connected to the power source 2, and the circuit is electrically connected to the push switch 1, the servo motor 4 drives the second gear 6 to rotate by pressing the push switch 1, so as to drive the first gear 5 to rotate through the second gear 6, and the rotating liquid-pumping head 9 is driven to rotate through the rotating shaft when the first gear 5 rotates, so as to enable the rotating liquid-pumping head 9 and the fixed liquid-pumping head 7 to be used in parallel.

Referring to fig. 1, 2 and 3, the liquid-extracting transmission mechanism 10 includes a lifting motor 12, a lifting rod 13, a piston 14 and a piston cylinder 15.

Referring to fig. 1, 2 and 3, the piston 14 is slidably connected inside a piston cylinder 15, and the piston cylinder 15 is connected to the pipette mounting plug 8 through a pipe.

Referring to fig. 1, 2 and 3, the lifting motor 12 is in transmission connection with the piston 14 through the lifting rod 13, the lifting motor 12 is controlled to drive the lifting rod 13 to extend and retract by pressing the pumping button 16, so as to drive the piston 14 to extend and retract inside the piston cylinder 15, and the pressure inside the piston cylinder 15 acts on the liquid taking tube on the surface of the liquid taking tube mounting plug 8 through the pipeline, so as to pump liquid.

Referring to fig. 1, 2 and 3, the lift motor 12 is electrically connected to the power source 2, and the formed circuit is electrically connected to the pumping button 16.

The working principle is as follows: during the use, it is flexible to drive lifter 13 through pressing suction button 16 control elevator motor 12, thereby it is flexible inside piston cylinder 15 to drive piston 14, the effect of liquid taking pipe on liquid taking pipe installation plug 8 surface is passed through the pipeline under the effect of the pressure inside piston cylinder 15, thereby suction liquid, when needing to convert into double, press push down press switch 1 servo motor 4 and drive second gear 6 rotatory, thereby it is rotatory to drive first gear 5 through second gear 6, it is rotatory to drive through the rotation axis when first gear 5 is rotatory to rotate liquid taking head 9, thereby make and rotate liquid taking head 9 and fixed liquid taking head 7 and use side by side.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. Disposable small capacity sample suction filtration pipette tip, including suction filtration pipette tip body (3), its characterized in that: suction filtration pipette head body (3) is inside to be fixed and is equipped with servo motor (4), servo motor (4) lower extreme transmission is connected and is equipped with second gear (6), suction filtration pipette head body (3) lower extreme is fixed and is equipped with transmission head (11), transmission head (11) inside rotation is equipped with first gear (5), and first gear (5) are connected with second gear (6) meshing, first gear (5) lower extreme is through rotatory and rotation pipetting head (9) fixed connection, suction filtration pipette head body (3) lower extreme is fixed and is equipped with fixed pipetting head (7), and suction filtration pipette head body (3) is inside to be equipped with power (2), fixed pipetting head (7) and rotation pipetting head (9) inside all are equipped with gets liquid drive mechanism (10), fixed pipetting head (7) and rotation pipetting head (9) lower extreme all are fixed and are equipped with liquid pipe installation plug (8).

2. The disposable small volume sample aspiration pipette tip of claim 1, wherein: the servo motor (4) is electrically connected with the power supply (2), and the formed circuit is electrically connected with the press switch (1).

3. The disposable small volume sample aspiration pipette tip of claim 1, wherein: the liquid taking transmission mechanism (10) comprises a lifting motor (12), a lifting rod (13), a piston (14) and a piston cylinder (15).

4. A disposable small volume sample aspiration pipette tip according to claim 3, wherein: the piston (14) is connected inside the piston cylinder (15) in a sliding manner, and the piston cylinder (15) is connected with the liquid taking pipe installation plug (8) through a pipeline.

5. A disposable small volume sample aspiration pipette tip according to claim 3, wherein: the lifting motor (12) is in transmission connection with the piston (14) through a lifting rod (13).

6. The disposable small volume sample aspiration pipette tip of claim 5, wherein: the lifting motor (12) is electrically connected with the power supply (2), and the formed circuit is electrically connected with the pumping button (16).