CN219518895U

CN219518895U - Suction pipe

Info

Publication number: CN219518895U
Application number: CN202320237325.6U
Authority: CN
Inventors: 林迪
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-08-15
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the field of bioengineering, in particular to a straw. The suction pipe comprises a pipe body, a leakage-proof assembly and a sealing assembly, a movable ring which is connected in a sliding mode is arranged on the sliding rail, a connecting rod which is connected in a fixed mode is arranged at the bottom of the movable ring, a mounting plate which is connected in a threaded mode is arranged at the bottom end of the connecting rod, and a sealing plate which is connected in a fixed mode is arranged at the other end of the mounting plate. According to the suction pipe provided by the utility model, after the liquid is extracted by using the pipe body, the movable ring slides above the sliding rail, and at the moment, the movable ring drives the sealing plate to move together by using the connecting rod and the mounting plate, and the liquid suction opening at the bottom of the pipe body is sealed by using the sealing plate, so that the problem that the liquid is omitted from the liquid suction opening at the bottom of the pipe body due to other reasons such as shaking hands of staff after the liquid is extracted by using the traditional suction pipe is avoided.

Description

Suction pipe

Technical Field

The utility model relates to the field of bioengineering, in particular to a straw.

Background

In the field of bioengineering, various nutrient solutions, cell fluids and other liquids need to be studied, and when extracting these liquids, a straw is generally needed to be used, the straw in the bioengineering is a transparent glass tube, then a rubber cap is sleeved at one end of the straw, when the liquid needs to be extracted, the rubber cap is pressed to discharge air in the straw, then one end of the straw stretches into the liquid, and the rubber cap is loosened, at this time, the liquid can be introduced into the straw by using the straw, and in the field of bioengineering, the application of the straw is more common, and is one of important articles for extracting the liquid.

After extracting liquid, the existing suction pipe may cause missing parts of liquid from a liquid suction port at the bottom of the pipe body due to other reasons such as hand shake of staff, so that the influence on the surrounding environment is easy to cause, and the experimental liquid is wasted.

Therefore, there is a need to provide a new pipette that solves the above-mentioned technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a suction pipe.

The straw provided by the utility model comprises:

the pipe body, the top of the said pipe body installs the rubber cap of fixed connection, and install the slide rail of fixed connection on the rubber cap;

the anti-leakage assembly is positioned on the pipe body and comprises a movable ring, a connecting rod, a mounting plate and a sealing plate, wherein the movable ring is installed on the sliding rail in a sliding connection manner, the connecting rod is installed at the bottom of the movable ring in a fixed connection manner, the mounting plate in threaded connection is installed at the bottom end of the connecting rod, and the sealing plate in fixed connection is installed at the other end of the mounting plate;

and the sealing assembly is positioned on the pipe body.

Preferably, the pipe body is provided with a plurality of ventilation holes, one side of the pipe body is provided with a plurality of fixedly connected limiting rings, and the bottom of the pipe body is provided with a liquid suction port.

Preferably, the sealing assembly comprises a mounting ring and a rubber membrane, wherein the mounting ring is fixedly connected to the pipe body, the mounting ring is positioned below the air holes, and the rubber membrane is fixedly connected to the mounting ring.

Preferably, the rubber cap is provided with a fixed ring which is fixedly connected, and the pipe body is provided with a plurality of scale bars.

Preferably, the connecting rod is positioned between the limiting rings, and the sealing plate is positioned below the liquid suction port at the bottom of the pipe body.

Preferably, the sealing assembly further comprises a fixing plate, the rubber film is provided with the fixing plate fixedly connected with the fixing plate, and part of the fixing plate is made of hard plastic.

Preferably, the top of the pipe body is communicated with the inside of the rubber cap, and part of the limiting ring is made of plastic materials.

Compared with the related art, the straw provided by the utility model has the following beneficial effects:

1. according to the utility model, after the liquid is extracted by using the pipe body, the movable ring slides above the sliding rail, and at the moment, the movable ring drives the sealing plate to move together by using the connecting rod and the mounting plate, and the liquid suction opening at the bottom of the pipe body is sealed by using the sealing plate, so that the problem that the liquid is missed from the liquid suction opening at the bottom of the pipe body due to other reasons such as shaking hands of staff after the liquid is extracted by using the traditional suction pipe is avoided.

2. When the tube body is not used, the rubber film can be downwards pulled out by the fixing plate, so that the air holes are exposed, and the air holes are communicated with the liquid suction openings at the bottom of the tube body, so that air outside and inside the tube body circulate, the drying speed of liquid in the tube body is accelerated, and the problem that the water in the tube body cannot be dried quickly after the traditional suction tube is cleaned, and the experimental liquid is easy to dilute is avoided.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a straw according to the present utility model;

FIG. 2 is a schematic view of the leak prevention assembly of FIG. 1;

FIG. 3 is a schematic view of the tube body shown in FIG. 1;

FIG. 4 is a schematic view of the seal assembly of FIG. 1;

fig. 5 is an enlarged partial schematic view of the leak prevention assembly of fig. 2.

Reference numerals in the drawings: 1. a tube body; 11. a rubber cap; 12. a slide rail; 13. a fixing ring; 14. ventilation holes; 15. a limiting ring; 16. a scale bar; 2. a leak-proof assembly; 21. a moving ring; 22. a connecting rod; 23. a mounting plate; 24. a sealing plate; 3. a seal assembly; 31. a mounting ring; 32. a rubber film; 33. and a fixing plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 5, a straw according to an embodiment of the present utility model includes: a pipe body 1, a leakage-proof assembly 2 and a sealing assembly 3.

In the embodiment of the utility model, referring to fig. 1, 2 and 3, a fixedly connected rubber cap 11 is installed on the top of the pipe body 1, a fixedly connected slide rail 12 is installed on the rubber cap 11, a plurality of ventilation holes 14 are formed in the pipe body 1, a plurality of fixedly connected limiting rings 15 are installed on one side of the pipe body 1, a liquid suction port is formed in the bottom of the pipe body 1, a fixedly connected fixing ring 13 is installed on the rubber cap 11, a plurality of scale bars 16 are arranged on the pipe body 1, the top of the pipe body 1 is communicated with the inside of the rubber cap 11, and part of the limiting rings 15 is made of plastic.

It should be noted that: the body 1 is transparent glass material, when needs draw liquid, presses rubber cap 11, discharges the air in the body 1, later stretches into the liquid with the imbibition mouth of body 1 bottom in, loosens rubber cap 11, is in negative pressure state in the body 1 this moment, can inhale liquid in the body 1, can know the total amount of inhaling liquid according to scale strip 16, and spacing ring 15 can carry out spacingly to connecting rod 22, prevents that connecting rod 22 from taking place the displacement, leads to unable use to remove ring 21 and drives closing plate 24 and remove.

In the embodiment of the present utility model, referring to fig. 1, 2 and 5, the leak-proof assembly 2 is located on the pipe body 1, and the leak-proof assembly 2 includes a moving ring 21, a connecting rod 22, a mounting plate 23 and a sealing plate 24, the sliding rail 12 is provided with the moving ring 21 in sliding connection, the bottom of the moving ring 21 is provided with the connecting rod 22 in fixed connection, the bottom end of the connecting rod 22 is provided with the mounting plate 23 in threaded connection, the other end of the mounting plate 23 is provided with the sealing plate 24 in fixed connection, the connecting rod 22 is located between the limiting rings 15, and the sealing plate 24 is located below the liquid suction port at the bottom of the pipe body 1.

It should be noted that: when liquid is extracted, the movable ring 21 is slid to the lower part of the slide rail 12, the sealing plate 24 is driven to move downwards through the connecting rod 22 and the mounting plate 23, so that a liquid suction opening of the pipe body 1 is exposed, liquid suction work can be performed afterwards, after the liquid suction of the pipe body 1 is completed, the movable ring 21 is slid to the upper part of the slide rail 12, at the moment, the movable ring 21 can drive the sealing plate 24 to move together through the connecting rod 22 and the mounting plate 23, and the liquid suction opening at the bottom of the pipe body 1 is sealed through the sealing plate 24, when the rubber cap 11 is required to be removed, the mounting plate 23 is rotated, the mounting plate 23 is removed, then the rubber cap 11 is communicated with the leakage-proof assembly 2 to be removed together, and the new rubber cap 11 is replaced.

In the embodiment of the present utility model, referring to fig. 1 and 4, the sealing assembly 3 is located on the pipe body 1, the sealing assembly 3 includes a mounting ring 31 and a rubber membrane 32, the pipe body 1 is provided with the mounting ring 31 fixedly connected, the mounting ring 31 is located below the air hole 14, the mounting ring 31 is provided with the rubber membrane 32 fixedly connected, the sealing assembly 3 further includes a fixing plate 33, the rubber membrane 32 is provided with the fixing plate 33 fixedly connected, and part of the fixing plate 33 is made of hard plastic.

It should be noted that: when using body 1, expand rubber membrane 32, utilize rubber membrane 32 to carry out the shutoff with bleeder vent 14 for body 1 is sealing state, can normally carry out imbibition work, rubber membrane 32 can be when putting into the glass bottle with body 1 in the time, and the place that body 1 contacted with the glass bottle is protected in the buffering simultaneously, when not using body 1, available fixed plate 33 is dialled down rubber membrane 32 for bleeder vent 14 exposes, bleeder vent 14 and the imbibition mouth intercommunication of body 1 bottom this moment, makes the outside of body 1 and inside air circulation, the speed that the liquid dried in the acceleration body 1.

The working principle of the suction pipe provided by the utility model is as follows:

firstly taking out the tube body 1, then spreading the rubber film 32, sealing the air holes 14 by using the rubber film 32 to enable the tube body 1 to be in a sealed state, and then carrying out liquid extraction work, when extracting liquid, firstly sliding the movable ring 21 below the sliding rail 12, driving the sealing plate 24 to move downwards by the connecting rod 22 and the mounting plate 23, enabling the liquid suction opening of the tube body 1 to be exposed, pressing the rubber cap 11, discharging air in the tube body 1, then extending the liquid suction opening at the bottom of the tube body 1 into the liquid, loosening the rubber cap 11, at the moment, sucking the liquid into the tube body 1 in a negative pressure state, knowing the total amount of sucked liquid according to the scale bar 16, when the liquid suction of the tube body 1 is completed, sliding the movable ring 21 above the sliding rail 12, at the moment, driving the sealing plate 24 by the connecting rod 22 and the mounting plate 23, and sealing the liquid suction opening at the bottom of the tube body 1 by the sealing plate 24;

then the pipe body 1 is moved into another glass bottle filled with liquid, the moving ring 21 slides to the lower side of the sliding rail 12, the sealing plate 24 is driven to move downwards through the connecting rod 22 and the mounting plate 23, so that the liquid suction opening of the pipe body 1 is exposed, at the moment, the rubber cap 11 is extruded again, the liquid in the pipe body 1 is discharged into the glass bottle, then the pipe body 1 is cleaned, after the pipe body 1 is cleaned, the rubber film 32 is pulled downwards by the fixing plate 33, the ventilation holes 14 are exposed, at the moment, the ventilation holes 14 are communicated with the liquid suction opening at the bottom of the pipe body 1, air outside and inside the pipe body 1 is circulated, the drying speed of the liquid in the pipe body 1 is accelerated, and then the whole pipe is properly stored.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A straw, comprising:

the pipe comprises a pipe body (1), wherein a rubber cap (11) which is fixedly connected is arranged at the top of the pipe body (1), and a sliding rail (12) which is fixedly connected is arranged on the rubber cap (11);

the anti-leakage assembly (2) is positioned on the pipe body (1), the anti-leakage assembly (2) comprises a movable ring (21), a connecting rod (22), a mounting plate (23) and a sealing plate (24), the sliding rail (12) is provided with the movable ring (21) which is in sliding connection, the bottom of the movable ring (21) is provided with the connecting rod (22) which is fixedly connected, the bottom end of the connecting rod (22) is provided with the mounting plate (23) which is in threaded connection, and the other end of the mounting plate (23) is provided with the sealing plate (24) which is fixedly connected;

and the sealing assembly (3) is positioned on the pipe body (1).

2. The suction pipe according to claim 1, wherein a plurality of ventilation holes (14) are formed in the pipe body (1), a plurality of fixedly connected limiting rings (15) are arranged on one side of the pipe body (1), and a liquid suction port is formed in the bottom of the pipe body (1).

3. The suction pipe according to claim 1, wherein the sealing assembly (3) comprises a mounting ring (31) and a rubber membrane (32), the pipe body (1) is provided with the mounting ring (31) which is fixedly connected, the mounting ring (31) is positioned below the air holes (14), and the mounting ring (31) is provided with the rubber membrane (32) which is fixedly connected.

4. A pipette as claimed in claim 1, characterised in that the rubber cap (11) is provided with a fixedly connected fixing ring (13) and in that the tube body (1) is provided with a number of graduation strips (16).

5. A pipette as claimed in claim 2, characterised in that the connecting rod (22) is located between the stop rings (15) and the sealing plate (24) is located below the pipetting opening in the bottom of the tube body (1).

6. A suction pipe according to claim 3, characterized in that the sealing assembly (3) further comprises a fixing plate (33), the rubber film (32) is provided with the fixing plate (33) fixedly connected, and part of the fixing plate (33) is made of hard plastic.

7. A straw according to claim 2, characterized in that the top of the tube body (1) is communicated with the inside of the rubber cap (11), and part of the limiting ring (15) is made of plastic material.