CN216125660U

CN216125660U - Novel suction ball for long liquid moving pipe

Info

Publication number: CN216125660U
Application number: CN202120288212.XU
Authority: CN
Inventors: 苏延林; 陈者
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-03-25
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a novel suction ball for a long pipette, which comprises a pipette main body and a suction ball, wherein the pipette main body is provided with a liquid collecting pipe, a cotton ball is arranged above the liquid collecting pipe, a pipette interface is arranged above the cotton ball, the top of the pipette main body is provided with the suction ball, a plastic net is arranged in the suction ball, one side of the plastic net protrudes out of the surface of the pipette main body and is provided with a pull ring, a mounting plate is arranged on the pull ring, a connecting column is arranged below the mounting plate, a spring is arranged in the connecting column, a hollow cavity is arranged below the mounting plate, one side of the connecting column is connected with the mounting plate, the other side of the connecting column is connected with the plastic net, the novel suction ball for the long pipette is more convenient during operation by arranging the plastic net, the pull ring, the mounting plate and the like, the phenomenon that the cotton ball in the pipette sucks the suction ball after falling down can not occur, the culture solution is contaminated when discharged again.

Description

Novel suction ball for long liquid moving pipe

Technical Field

The utility model belongs to the technical field related to long liquid moving pipes, and particularly relates to a novel suction ball for a long liquid moving pipe.

Background

The long liquid-moving tube is a measuring device for accurately moving a certain volume of solution, the liquid-moving tube is a measuring instrument only for measuring the volume of the solution discharged by the liquid-moving tube, and is a long and thin glass tube with a swelling part in the middle, the lower end of the glass tube is in a sharp mouth shape, a marked line is engraved at the neck of the upper end of the glass tube and is a mark for the accurate volume to be taken, and the sucking ball at the top of the long liquid-moving tube is mainly used for sucking the liquid.

The novel ball suction technology of the existing long pipette has the following problems: when the novel suction ball of the long liquid transfer tube is used for operating liquid, the cotton ball in the liquid transfer tube is easy to suck back and then is sucked into the suction ball, and the pollution of culture solution is caused when the cotton ball is discharged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel suction ball for a long liquid transfer pipe, which solves the problem that the cotton ball in the liquid pipe is easy to suck back and then to suck into the suction ball, and then to cause the pollution of a culture solution when the cotton ball is discharged.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel ball that inhales for long pipette, includes the pipette main part and inhales the ball, be provided with short support in the pipette main part, short support left side is provided with long support, be provided with the collector tube in the pipette main part, the collector tube surface is provided with the scale mark, the collector tube top is provided with the cotton ball, the cotton ball top is provided with the pipette interface, pipette main part top is provided with inhales the ball, inhale the inside plastic net that is provided with of ball, plastic net one side salient is provided with the pull ring in pipette main part surface, be provided with the mounting panel on the pull ring, the mounting panel below is provided with the spliced pole, the inside spring that is provided with of spliced pole, the mounting panel below is provided with the cavity, spliced pole one side and mounting panel are connected, spliced pole opposite side and plastic net are connected.

Preferably, the post is disposed within the hollow cavity.

Preferably, the pull ring is fixedly connected with the mounting plate.

Preferably, the plastic net is made of butadiene.

Preferably, the pipette body is pointed at its lower end.

Preferably, the short support and the long support are respectively and fixedly connected with the pipette body, and the surface of the pull ring is of a rough structure.

Compared with the prior art, the utility model provides a novel suction ball for a long liquid transfer pipe, which has the following beneficial effects:

the novel suction ball for the long pipette is more convenient to operate by arranging the plastic net, the pull ring, the mounting plate, the connecting column, the spring and the hollow cavity, the problem that the suction ball is sucked after the cotton ball in the pipette is sucked backwards and causes pollution of culture solution when the cotton ball is discharged is avoided, the plastic net is arranged in the suction ball, one side of the plastic net protrudes out of the surface of the pipette main body and is provided with the pull ring, the mounting plate is arranged on the pull ring, the connecting column is arranged below the mounting plate, the spring is arranged inside the connecting column, the hollow cavity is arranged below the mounting plate, one side of the connecting column is connected with the mounting plate, the other side of the connecting column is connected with the plastic net, the problem that the suction ball is sucked after the cotton ball is sucked backwards is effectively prevented by arranging the plastic net, when the plastic net needs to be cleaned after use, a worker only needs to hold the pull ring on one side of the pipette main body by hands, and exert oneself to keeping away from pipette main part, at this moment, the pull ring drives the outside lateral movement of mounting panel, when the mounting panel receives the outside motion of external force, the spliced pole of setting on the mounting panel and the inside spring of spliced pole are all taken out by the mounting panel, because the plastic net sets up on the spliced pole, the plastic net that sets up at suction ball lower part and long pipette contact site at this moment is pulled out in the cavity of pipette main part one side, make the plastic net break away from with the pipette main part, can carry out effectual dismantlement like this, in time wash the plastic net, through having set up above structure, the suction ball after having avoided the inside cotton ball of pipette to suck back, cause the problem of the pollution of culture solution during the discharge, also make things convenient for the washing of plastic net, work efficiency is greatly improved.

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 without limiting the utility model in which:

FIG. 1 is a schematic view of an overall structure according to the present invention;

FIG. 2 is a schematic view of a plastic net installation structure according to the present invention;

in the figure: 1. a pipette body; 2. a short support; 3. a long support; 4. a liquid collecting pipe; 5. scale marking; 6. a cotton ball; 7. a pipette interface; 8. sucking a ball; 9. a plastic net; 10. a pull ring; 11. mounting a plate; 12. connecting columns; 13. a spring; 14. a hollow cavity.

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 description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel inhale ball for long pipette, including pipette main part 1 and inhale ball 8, be provided with short support 2 on the pipette main part 1, short support 2 left side is provided with long support 3, be provided with collector tube 4 on the pipette main part 1, collector tube 4 surface is provided with scale mark 5, collector tube 4 top is provided with cotton ball 6, cotton ball 6 top is provided with

pipette interface

7, 1 top of pipette main part is provided with inhales ball 8, inhale the inside plastic net 9 that is provided with of ball 8, plastic net 9 one side salient is provided with pull ring 10 in pipette main part 1 surface, be provided with mounting panel 11 on the pull ring 10, mounting panel 11 below is provided with spliced pole 12, the inside spring 13 that is provided with of spliced pole 12, mounting panel 11 below is provided with cavity 14, spliced pole 12 one side and mounting panel 11 are connected, spliced pole 12 opposite side and plastic net 9 are connected.

The utility model provides a novel ball that inhales for long pipette, spliced pole 12 sets up inside cavity 14, pull ring 10 and mounting panel 11 fixed connection, and plastic net 9 is made by butadiene, and pipette main part 1 lower extreme is sharp-pointed, short support 2 and long support 3 respectively with pipette main part 1 fixed connection, pull ring 10 surface is the coarse column structure.

The working principle and the using process of the utility model are as follows: after the device is installed, firstly, a worker shakes the solution to be absorbed evenly, pours a small part of the solution to be absorbed into a small clean and dry beaker, uses filter paper to absorb the water inside and outside the tip of the pipette main body 1 which is cleaned, inserts the filter paper into the small beaker to absorb the solution, when the solution is absorbed to 1/3 times of the volume of the pipette, immediately uses a right index finger to press a pipe orifice, takes out the solution, transversely holds and rotates the pipette main body 1 to enable the solution to flow over the inner wall of the pipette main body 1, and discharges the solution into a waste liquid cup from the lower tip, so that the solution can be absorbed after 3-4 times of rinsing, when the solution is formally absorbed, the absorbing ball 8 is installed at the top of the pipette main body 1, the tip of the pipette main body 1 is placed into the small beaker, according to the field situation, the short support 2 on one side of the pipette main body 1 can be placed at the cup mouth of the small beaker, so that the absorption is easy and labor-saving, the pipette body 1 is not held all the time, the suction ball 8 is squeezed at this time, the solution in the small beaker is sucked into the pipette body 1, the small beaker keeps inclined during the suction, the pipette body 1 keeps vertical, the scale mark 5 and the sight line keep horizontal, when the proper position is sucked, the suction ball 8 is taken down, the pipette interface 7 is immediately pressed by a forefinger, the sharp opening is abutted against the inner wall of the beaker, the small amount of the liquid is moved to the beaker opening, the liquid drop at the sharp opening is removed, the pipette body 1 is carefully moved to a container for receiving the solution, in order to prevent the sucked solution from being sucked back during the operation process, the cotton ball 6 is arranged in the pipette body 1, in order to avoid the problem that the cotton ball 6 in the pipette is sucked into the suction ball 8 after being sucked back, the culture solution is polluted during the discharge, the plastic net 9 is arranged in the suction ball 8, the pull ring 10 is arranged on the surface of the pipette body 1 on one side of the plastic net 9, the pull ring 10 is provided with a mounting plate 11, a connecting column 12 is arranged below the mounting plate 11, a spring 13 is arranged inside the connecting column 12, a hollow cavity 14 is arranged below the mounting plate 11, one side of the connecting column 12 is connected with the mounting plate 11, the other side of the connecting column 12 is connected with the plastic net 9, when the plastic net 9 needs to be cleaned after use, a worker only needs to hold the pull ring 10 on one side of the pipette body 1 by hand and exert force on the side far away from the pipette body 1, at the moment, the pull ring 10 drives the mounting plate 11 to move outwards, when the mounting plate 11 is moved outwards by external force, the connecting column 12 arranged on the mounting plate 11 and the spring 13 inside the connecting column 12 are both taken out by the mounting plate 11, because the plastic net 9 is arranged on the connecting column 12, the plastic net 9 arranged at the contact part of the lower part of the suction ball 8 and the long pipette is pulled out from the hollow cavity 14 on one side of the pipette body 1, so that the plastic net 9 is separated from the pipette main body 1, thereby effectively disassembling the pipette, cleaning the plastic net 9 in time, when the plastic net 9 is installed, a worker cleans the hand, holds one end of the plastic net 9, plugs the plastic net 9 into the hollow cavity 14 on one side of the pipette main body 1, at this time, the pull ring 10 is held and a force is applied to one side close to the pipette body 1, at this time, the mounting plate 11 drives the connecting column 12 on one side to move, the connecting column 12 is clamped and held in the hollow cavity 14 through the external force and the elasticity of the internal spring 13, at this time, the mounting plate 11 completely covers the surface of the hollow cavity 14 to complete the fixation, through having set up above structure, not only avoided the inside cotton ball 6 of pipette suck-back to inhale and inhale ball 8, cause the problem of the pollution of culture solution during the discharge, also make things convenient for the washing of plastic net 9, improved work efficiency greatly.

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. A novel suction ball for long pipette, comprising a pipette body (1) and a suction ball (8), characterized in that: the novel pipette is characterized in that a short support (2) is arranged on the pipette body (1), a long support (3) is arranged on the left side of the short support (2), a liquid collecting pipe (4) is arranged on the pipette body (1), scale marks (5) are arranged on the surface of the liquid collecting pipe (4), a cotton ball (6) is arranged above the liquid collecting pipe (4), a pipette interface (7) is arranged above the cotton ball (6), a suction ball (8) is arranged at the top of the pipette body (1), a plastic net (9) is arranged inside the suction ball (8), one side of the plastic net (9) protrudes out of the surface of the pipette body (1) and is provided with a pull ring (10), a mounting plate (11) is arranged on the pull ring (10), a connecting column (12) is arranged below the mounting plate (11), a spring (13) is arranged inside the connecting column (12), and a hollow cavity (14) is arranged below the mounting plate (11), one side of the connecting column (12) is connected with the mounting plate (11), and the other side of the connecting column (12) is connected with the plastic net (9).

2. The novel suction ball for the long pipette as set forth in claim 1, wherein: the connecting column (12) is arranged inside the hollow cavity (14).

3. The novel suction ball for the long pipette as set forth in claim 1, wherein: the pull ring (10) is fixedly connected with the mounting plate (11).

4. The novel suction ball for the long pipette as set forth in claim 1, wherein: the plastic net (9) is made of butadiene.

5. The novel suction ball for the long pipette as set forth in claim 1, wherein: the lower end of the pipette body (1) is sharp.

6. The novel suction ball for the long pipette as set forth in claim 1, wherein: the short support (2) and the long support (3) are respectively and fixedly connected with the pipette main body (1), and the surface of the pull ring (10) is of a rough structure.