CN218742059U

CN218742059U - Pasteur straw device convenient to use

Info

Publication number: CN218742059U
Application number: CN202221433600.3U
Authority: CN
Inventors: 纪红; 李萍; 邱乒乒; 张庆; 王龙梅; 丁露; 石健; 姜雨飞
Original assignee: Xiamen Maternal And Child Health Hospital Xiamen Eugenics Service Center Xiamen University Affiliated Women's And Children's Hospital Xiamen Linqiaozhi Women's And Children's Hospital
Current assignee: Xiamen Maternal And Child Health Hospital Xiamen Eugenics Service Center Xiamen University Affiliated Women's And Children's Hospital Xiamen Linqiaozhi Women's And Children's Hospital
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2023-03-28
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a pasteur's straw device convenient to use, including outer tube, fall way and straw, the outer tube is equipped with the drive chamber, but the fall way can vertical lift setting is in the drive intracavity, the straw includes silica gel head, stock solution section and gets the liquid section, the stock solution section place in the lumen of fall way, just the both ends mouth of pipe of fall way is worn out and is connected with respectively from the both ends mouth of pipe of fall way to stock solution section upper and lower ends silica gel head with get the liquid section, the bottom in drive chamber extends to the outer wall of outer tube is formed with the confession get the mouth that stretches out that the liquid section was worn out, the top of fall way is equipped with the extrusion ring, the internal diameter of extrusion ring with the minimum external diameter looks adaptation of silica gel head, lie in the stock solution section the official working intracavity of fall way is equipped with the holding ring, the external diameter of holding ring is greater than the internal diameter of extrusion ring, be equipped with the lift button on the pipe wall of fall way, be equipped with the confession on the outer tube the pipe lift mouth that the lift button goes up and down.

Description

Pasteur straw device convenient to use

Technical Field

The utility model relates to the technical field of medical supplies, concretely relates to pasteur straw device convenient to use.

Background

The traditional Pasteur suction pipe needs the arm to be in a suspended state when sucking liquid, and because the arm does not have a supporting point, the arm is easy to shake during suction, the precision of the sucked liquid is influenced, the arm is tired after long-term use, and meanwhile, the suction force of the traditional bus suction pipe cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pasteur straw device convenient to use is used for solving above-mentioned problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pasteur's straw device convenient to use, includes outer tube, fall way and straw, the outer tube is equipped with the drive chamber, but the fall way is vertical goes up and down to set up the drive intracavity, the straw includes silica gel head, stock solution section and gets the liquid section, the stock solution section place in the lumen of fall way, just the both ends mouth of pipe that the lower extreme was worn out and is connected with respectively from the fall way about the stock solution section the silica gel head with get the liquid section, the bottom in drive chamber extends to the outer wall of outer tube is formed with the confession get the extension opening that the liquid section was worn out, the top of fall way is equipped with the extrusion ring, the internal diameter of extrusion ring with the minimum external diameter looks adaptation of silica gel head, lie in the official cavity of fall way the locating ring, the external diameter of locating ring is greater than the internal diameter of extrusion ring, be equipped with the lift button on the pipe wall of fall way, be equipped with on the pipe wall of outer tube and supply the lift mouth that the lift button goes up and down, just the top of lift button is followed the lift mouth is worn out.

Preferably, a lifting clamping groove is formed in the driving cavity in the vertical direction, a lifting clamping block which is clamped in the lifting clamping groove in a sliding mode is arranged on the pipe wall of the lifting pipe, a supporting block is arranged at the top end of the driving cavity, and the top end of the extrusion ring is connected with the bottom end of the supporting block through a spring piece.

Preferably, two ends of the spring part are respectively provided with an installation buckle, and the top end of the extrusion ring and the bottom end of the supporting block are respectively provided with an installation clamping head used for being clamped and fixed with the installation buckles.

Preferably, the outer tube includes the first half body that two mirror images set up, two the first half body can be dismantled through first connecting column group and be connected, the fall way includes the second half body that two mirror images set up, two the second half body can be dismantled through second connecting column group and be connected, the lift draw-in groove sets up in wherein one side on the first half body, the lift button sets up in wherein one side on the second half body.

Preferably, the inner wall of the extrusion ring is paved with a rubber layer.

Preferably, a rubber ring is arranged in the extension opening.

Preferably, the outer tube and the lifting tube are both made of transparent materials.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

the utility model relates to a convenient to use's pasteur straw device, through holding the outer tube of formula of holding to take, then the finger is pressed the lift button and is risen and drive the extrusion ring and move upwards, because the internal diameter of extrusion ring and the minimum external diameter looks adaptation of silica gel head, produce the extrusion effect to the silica gel head in the extrusion ring process of moving up, thereby make the liquid taking port of liquid taking section produce suction and absorb liquid, the wrist can be supported on the desktop when holding the formula of holding to take, make the liquid absorption process comparatively stable, alleviate arm fatigue; simultaneously the top of extrusion ring with the connection can be dismantled through the spring part to the bottom of supporting shoe, through changing different elastic springs, changes the resistance of drive lift button to make under the same external force, the extrusion speed of extrusion ring changes, and then the suction of adjustment straw.

Drawings

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

fig. 2 is a schematic view of the internal structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Examples

Please refer to fig. 1 and fig. 2, the utility model discloses a pasteur's straw device convenient to use, including outer tube 1, elevator tube 2 and straw 3, outer tube 1 is equipped with drive chamber 11, elevator tube 2 can vertically go up and down to set up in drive chamber 11, straw 3 includes silica gel head 31, stock solution section 32 and gets liquid section 33, stock solution section 32 is placed in elevator tube 2's lumen, and stock solution section 32 upper and lower end is worn out and is connected with silica gel head 31 and gets liquid section 33 respectively from elevator tube 2's both ends mouth of pipe respectively, the outer wall that the bottom of drive chamber 11 extends to outer tube 1 is formed with the extension mouth 12 that supplies to get liquid section 33 and wear out, elevator tube 2's top is equipped with extrusion ring 21, extrusion ring 21's the internal diameter and silica gel head 31's minimum external diameter looks adaptation, lie in elevator tube's the official cavity of elevator tube on the stock solution section 32 and be equipped with holding ring 34, the external diameter of holding ring 34 is greater than extrusion ring 21, be equipped with lift button 22 on elevator tube 2's the pipe wall, and be equipped with the lift button 13 that supplies lift button 22 oscilaltion elevator tube 1's the pipe wall, and wear out from lift button 13.

A lifting clamping groove 14 is formed in the driving cavity 11 in the vertical direction, a lifting clamping block 23 which is slidably clamped in the lifting clamping groove 14 is arranged on the pipe wall of the lifting pipe 2, a supporting block 15 is arranged at the top end of the driving cavity 11, and the top end of the extrusion ring 21 is connected with the bottom end of the supporting block 15 through 4.

Two ends of the spring element 4 are respectively provided with a mounting buckle 41, and the top end of the extrusion ring 21 and the bottom end of the supporting block 15 are respectively provided with a mounting chuck 16 for clamping and fixing with the mounting buckles 41.

Outer tube 1 includes the first half body that two mirror images set up, and two first half bodies can be dismantled through first connecting column group 17 and be connected, and lift pipe 2 includes the second half body that two mirror images set up, and two second half bodies can be dismantled through second connecting column group 24 and be connected, and lift draw-in groove 14 sets up on the first half body of one side wherein, and lift button 22 sets up on the second half body of one side wherein. The first connecting column group 17 and the second connecting column group 24 both comprise connecting columns and connecting pipes, and the connecting columns are inserted in the connecting pipes, so that the connecting pipes are convenient to install and disassemble.

The inner wall of the extrusion ring 21 is rubberized to prevent the extrusion process from scratching the silicone head 31.

The protruding opening 12 is provided with a rubber ring 18 to prevent damage to the liquid storage section 32.

The outer tube 1 and the lifting tube 2 are both made of transparent materials, so that the liquid absorption amount of the suction tube 3 can be observed conveniently.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A convenient pasteur pipette device, characterized in that: including outer tube, fall way and straw, the outer tube is equipped with the drive chamber, but the fall way vertical lift setting is in the drive intracavity, the straw includes silica gel head, stock solution section and gets the liquid section, the stock solution section place in the lumen of fall way, just the both ends mouth of pipe that the fall way was worn out respectively and is connected with respectively to the upper and lower end of stock solution section the silica gel head with get the liquid section, the bottom in drive chamber extends to the outer wall of outer tube is formed with the confession get the mouth that stretches out that the liquid section was worn out, the top of fall way is equipped with the extrusion ring, the internal diameter of extrusion ring with the minimum external diameter looks adaptation of silica gel head, lie in the stock solution section the official cavity of fall way is equipped with the holding ring, the external diameter of holding ring is greater than the internal diameter of extrusion ring, be equipped with the lift button on the pipe wall of fall way, be equipped with the confession on the pipe wall of outer tube the lift button the lift mouth of going up and down, just the top of lift button is followed the lift mouth is worn out.

2. A ready-to-use pasteur pipette device, according to claim 1, characterised in that: the lifting clamping groove is formed in the driving cavity in the vertical direction, the pipe wall of the lifting pipe is provided with a lifting clamping block which is clamped in the lifting clamping groove in a sliding mode, the top end of the driving cavity is provided with a supporting block, and the top end of the extrusion ring is connected with the bottom end of the supporting block through a spring piece.

3. A disposable pasteur pipette device, according to claim 2, characterised in that: the spring part is characterized in that two ends of the spring part are respectively provided with an installation buckle, and the top end of the extrusion ring and the bottom end of the supporting block are respectively provided with an installation clamping head used for being fixedly clamped with the installation buckles.

4. A disposable pasteur pipette device, according to claim 2, characterised in that: the outer tube includes the first half body that two mirror images set up, two the first half body can be dismantled through first connecting column group and be connected, the fall way includes the second half body that two mirror images set up, two the half body of second can be dismantled through second connecting column group and be connected, the lift draw-in groove sets up in one of them side on the first half body, the lift button sets up in one of them side on the half body of second.

5. A ready-to-use pasteur pipette device, according to claim 1, characterised in that: and a rubber layer is laid on the inner wall of the extrusion ring.

6. A ready-to-use pasteur pipette device, according to claim 1, characterised in that: and a rubber ring is arranged in the extension opening.

7. A ready-to-use pasteur pipette device, according to claim 1, characterised in that: the outer tube and the lifting tube are made of transparent materials.