CN219092098U

CN219092098U - Multifunctional gun head

Info

Publication number: CN219092098U
Application number: CN202223436088.0U
Authority: CN
Inventors: 麦泳欣; 李志鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-30
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a multifunctional gun head, which comprises a tube body, wherein one end of the tube body is fixedly connected with a duckbill plate, one end of the duckbill plate is provided with two symmetrically arranged pipetting holes, the pipetting holes penetrate through the duckbill plate and extend into the tube body, a T-shaped groove is formed in the duckbill plate, a scraper is slidably arranged in the T-shaped groove, the bottom of the scraper is fixedly connected with a fixed column, one end of the duckbill plate is provided with the pipetting holes, liquid can be conveniently sucked, the inside of the duckbill plate is movably provided with the scraper, adherent cells can be scraped, the two are matched for use, a culture medium and the adherent cells can be transferred together by utilizing the pipetting holes when the adherent cells are scraped, the working efficiency is improved, and the cells remained on the scraper can be scraped by the cooperation between the rubber scraper and the scraper, so that the cells can be completely dropped into the culture medium at the bottom of a glass bottle.

Description

Multifunctional gun head

Technical Field

The utility model relates to the technical field of pipette tips, in particular to a multifunctional gun tip.

Background

The pipette gun is one kind of pipette, and is used in laboratory to take small amount or trace amount of liquid and has corresponding pipette tip.

At present, the structure of the gun head of a pipetting gun commonly used in a laboratory is a simple conical structure, the tip is thinner, the bottom of the gun head can be matched with a pipetting gun of a corresponding size, in the process of cell experiments, an experimenter needs to scrape off adherent cells by using a cell scraper firstly and then blow and mix the cells uniformly by using a common gun head, the structure of the cell scraper is simple, but in the use process, the cell scraper can not transfer liquid like the gun head, so that the operation efficiency is lower, and a gun head structure capable of scraping cells and transferring cells is needed.

Disclosure of Invention

The present utility model is directed to a multifunctional gun head, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multi-functional rifle head, includes the body, the one end fixedly connected with duckbill plate of body, the pipetting hole that two symmetries set up has been seted up to the one end of duckbill plate, the pipetting hole runs through the duckbill plate and extends to the body inside, T type recess has been seted up to the inside of duckbill plate, the inside slidable mounting of T type recess has the scraper blade, the bottom fixedly connected with fixed column of scraper blade, pipetting hole can conveniently shift culture medium and cell, and the scraper blade can scrape off the adherence cell like the cell scraper.

Preferably, one side of duckbill plate is provided with telescopic machanism, telescopic machanism includes the urceolus, the one end and the duckbill plate fixed connection of urceolus, the urceolus internalization is provided with interior pole, the one end of interior pole rotates and is connected with the clamp plate, the one end and the fixed column rotation of clamp plate are connected, the surface cover of urceolus and interior pole is equipped with the spring, the both ends of spring respectively with duckbill plate and clamp plate fixed connection, telescopic machanism can rely on the pressure between clamp plate and the glass wall to control the clamp plate and stretch out length.

Preferably, a plurality of rubber threads with different sizes are arranged in the tube body, and the rubber threads with different sizes can be adapted to pipette guns with different sizes.

Preferably, one end fixedly connected with rubber of duckbill plate scrapes the head, rubber scrapes head and scraper blade sliding connection, and sliding connection between rubber scrapes head and the scraper blade can be convenient when the scraper blade shrink, scrapes remaining cell on the scraper blade down.

Preferably, the bottom fixedly connected with of clamp plate is a plurality of cushion, and the friction on clamp plate and glass wall surface can be increased in the setting of a plurality of cushion.

Preferably, the tube body is made of transparent materials, so that the quantity of liquid in the tube body can be observed at any time.

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

1. according to the utility model, the duckbill plate is designed, one end of the duckbill plate is provided with the liquid-transferring hole, so that liquid can be conveniently sucked, the scraper is movably arranged in the duckbill plate, adherent cells can be scraped off, the two parts are matched for use, and the culture medium and the adherent cells can be transferred together by utilizing the liquid-transferring hole while the adherent cells are scraped off, so that the working efficiency is improved;

2. according to the utility model, by designing the telescopic mechanism, depending on acting force applied between the pressing plate and the glass wall, the spring is contracted, the inclination degree of the pressing plate is reduced, the transverse distance is increased, the scraping plate is pushed to extend, by the cooperation of the telescopic mechanism, a cell group which is tightly adhered to the glass wall can be tilted and scraped off, when scraping is completed, the force applied to the pressing plate is released, the scraping plate is contracted, and by the cooperation between the rubber scraping head and the scraping plate, cells remained on the scraping plate can be scraped off, by the above processes, adherent cells can be scraped off completely, and all cells fall into a culture medium at the bottom of the glass bottle, so that the subsequent pipetting operation is convenient.

Drawings

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is an overall cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A.

In the figure:

1. a tube body; 11. rubber threads;

2. a duckbill plate; 21. a pipetting hole; 22. a rubber scraper; 23. a T-shaped groove;

3. a scraper; 31. fixing the column;

4. a telescoping mechanism; 41. an outer cylinder; 42. an inner rod; 43. a spring; 44. a pressing plate; 45. rubber cushion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution for a multifunctional gun head:

a multifunctional gun head comprises a tube body 1, one end of the tube body 1 is fixedly connected with a duckbill plate 2, a plurality of rubber threads 11 with different sizes are arranged in the tube body 1, one end of the tube body 1 is sleeved at the bottom of a liquid-transferring gun, the tube body 1 can be adapted to liquid-transferring guns with different sizes through the rubber threads 11, one side of the duckbill plate 2 is provided with a telescopic mechanism 4, the telescopic mechanism 4 comprises an outer cylinder 41, one end of the outer cylinder 41 is fixedly connected with the duckbill plate 2, an inner rod 42 is movably arranged in the outer cylinder 41, one end of the inner rod 42 is rotatably connected with a pressing plate 44, one end of the pressing plate 44 is rotatably connected with a fixed column 31, two ends of the spring 43 are fixedly connected with the duckbill plate 2 and the pressing plate 44 respectively, the pressing plate 44 is tightly attached to a glass wall through pressing down the liquid-transferring gun, the spring 43 in the telescopic mechanism 4 is stressed and contracted, the inner rod 42 moves towards the inside of the outer cylinder 41, the inclination degree of the duckbill plate 2 is reduced, the transverse distance is increased, the T-shaped groove 23 is formed in the duckbill plate 2, the scraper 3 is slidably arranged in the T-shaped groove 23, the bottom of the scraper 3 is fixedly connected with the fixed column 31, the scraper 3 in the T-shaped groove 23 is pushed to extend through the fixed column 31, cells on a glass wall can be scraped by the scraper 3, when certain cell clusters are attached to the glass wall tightly, the cells can be lifted by the telescopic mechanism 4 and scraped again, the bottom of the pressing plate 44 is fixedly connected with a plurality of rubber pads 45, in the process, the pressing plate 44 and the glass wall possibly have too small friction in the contact process, so that the pressing plate 44 slides on the surface of the glass wall, the scraping work can not be carried out after the scraping work, a plurality of rubber pads 45 are provided on the surface of the pressing plate 44 to increase friction therebetween.

Further, when scraping is completed, the pressure applied to the pressing plate 44 is released, the scraping plate 3 resets under the action of the telescopic mechanism 4, one end of the duckbill plate 2 is fixedly connected with the rubber scraping head 22, the rubber scraping head 22 is in sliding connection with the scraping plate 3, the rubber scraping head 22 scrapes off cells remained on the scraping plate 3, when all adherent cells are scraped clean, the duckbill plate 2 stretches into the bottom of the glass bottle, one end of the tube body 1 is fixedly connected with the duckbill plate 2, two symmetrically arranged pipetting holes 21 are formed in one end of the duckbill plate 2, the pipetting holes 21 penetrate through the duckbill plate 2 and extend into the tube body 1, a culture medium at the bottom of the glass bottle enters into the tube body 1 through the pipetting holes 21 and is discharged through the pipetting holes 21, the tube body 1 is made of transparent materials, the quantity of culture medium solution inside the tube body 1 can be observed at any time, the cells in the culture medium can be sucked and uniformly mixed through the above process, and finally the cells are transferred.

Working principle: during operation, first cup joint the one end of body 1 at the rifle bottom of pipetting, can adapt to the rifle of not equidimension size through rubber screw 11, hug closely the glass wall with clamp plate 44 and pass through the rifle that pushes down pipetting, spring 43 atress shrink in telescopic machanism 4, inside removal of inside pole 42 towards outer section of thick bamboo 41, the inclination of duckbill plate 2 reduces, the lateral distance increases, promote the inside scraper blade 3 of T type recess 23 through fixed column 31 and stretch out, can scrape down the cell on the glass wall by depending on scraper blade 3, when encountering the more inseparable condition of certain cell group attached glass wall, can warp it again through telescopic machanism 4, in the above-mentioned in-process, the clamp plate 44 is probably too little in the contact process with the glass wall because of the friction, lead to clamp plate 44 to skid at the glass wall surface, cause afterwards to scrape the work and can' T go on, consequently, be provided with a plurality of cushion 45 at clamp plate 44 surface, thereby increase the frictional force between them, when scraping to accomplish, loosen the pressure of exerting on clamp plate 44, scraper blade 3 under the effect of telescopic machanism 4, reset scraper blade 22 will scrape down at the cell on the glass wall, scrape down the cell line 21 in the bottom of cell wall through scraping the mouth 21, can be removed evenly, can be reached through scraping the cell bottom 21 to the cell on the bottom of cell wall, can be removed through the bottom of cell culture flask, can be evenly through the hole, can be removed through scraping the bottom into the hole, can be reached through the cell, can be removed to the bottom evenly and can be moved into the bottom through the bottom of cell bottom wall, can be blown down into the bottom through the hole.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a multi-functional rifle head, includes body (1), its characterized in that: one end of the tube body (1) is fixedly connected with a duckbill plate (2), two symmetrically arranged pipetting holes (21) are formed in one end of the duckbill plate (2), and the pipetting holes (21) penetrate through the duckbill plate (2) and extend into the tube body (1);

t-shaped grooves (23) are formed in the duckbill plates (2), scraping plates (3) are slidably mounted in the T-shaped grooves (23), and fixing columns (31) are fixedly connected to the bottoms of the scraping plates (3).

2. A multi-functional gun head according to claim 1, wherein: one side of duckbill plate (2) is provided with telescopic machanism (4), telescopic machanism (4) include urceolus (41), the one end and the duckbill plate (2) fixed connection of urceolus (41), urceolus (41) internalization is provided with interior pole (42), the one end of interior pole (42) rotates and is connected with clamp plate (44), the one end and the fixed column (31) of clamp plate (44) rotate to be connected, the surface cover of urceolus (41) and interior pole (42) is equipped with spring (43), the both ends of spring (43) are respectively with duckbill plate (2) and clamp plate (44) fixed connection.

3. A multi-functional gun head according to claim 1, wherein: a plurality of rubber threads (11) with different sizes are arranged in the pipe body (1).

4. A multi-functional gun head according to claim 1, wherein: one end of the duckbill plate (2) is fixedly connected with a rubber scraping head (22), and the rubber scraping head (22) is in sliding connection with the scraping plate (3).

5. A multi-functional gun head according to claim 2, wherein: the bottom of the pressing plate (44) is fixedly connected with a plurality of rubber mats (45).

6. A multi-functional gun head according to claim 1, wherein: the pipe body (1) is made of transparent materials.