CN216663063U - Pollution-preventing straw for cell culture - Google Patents

Abstract

The utility model discloses a pollution-preventing cell culture straw, which comprises a straw and an operation tube, wherein the upper surface of the operation tube is movably connected with a sealing cover, the lower surface of the operation tube is sleeved with the straw, the inner wall of the operation tube is fixedly connected with a grasping device, one side of the operation tube is provided with a grasping block, the lower end of the other side of the operation tube is sleeved with a sliding block, and the upper end of the other side of the operation tube is provided with an oblique hole. According to the utility model, the two clamps and the return spring are arranged in a matched manner, so that the suction pipe can be fastened and fixed, and the effect of upwards sliding the slide block and enabling the clamps to rotate around the rotating shaft by driving the horizontal rod and the transmission rod to upwards move so as to loosen the suction pipe is achieved through the matched arrangement of the slide block, the horizontal rod, the transmission rod and the rotating shaft.

Description

Pollution-preventing straw for cell culture

Technical Field

The utility model relates to the technical field of cell culture, in particular to a pollution-preventing suction pipe for cell culture.

Background

Cell culture refers to the simulation of in vivo environment in vitro: sterile, proper temperature, pH value and certain nutrient condition, etc. to make it survive, grow and reproduce and maintain its main structure and function.

The existing cell culture straw has the problems of repeated use, easy cross infection, incapability of using a cell culture dish after infection, reduction of working efficiency, loss, poor economic benefit and poor practicability, so that the pollution is prevented.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a pipette for cell culture, which is prevented from being contaminated.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a straw for cell culture that prevents pollution, includes operation tube and straw, the upper surface swing joint of operation tube has sealed lid, the straw has been cup jointed to the lower surface of operation tube, the inner wall fixedly connected with of operation tube grasps the device, one side of operation tube is provided with grabs the piece of grabbing, the lower extreme setting of the opposite side of operation tube has cup jointed the slider, the slant hole has been seted up to the upper end of the opposite side of operation tube, the inner wall in slant hole has cup jointed extraction element.

Preferably, the extraction device comprises a button and an air bag, the button is sleeved on the inner wall of the inclined hole, the air bag is arranged at one end of the button, and a suction pipe is sleeved at one end of the air bag.

Preferably, the extraction device comprises a horizontal rod, a transmission rod, a clamp, a rotating shaft and a return spring, the inner wall of the sliding block is fixedly connected with the horizontal rod, the lower surface of the horizontal rod is fixedly connected with the transmission rod, the lower end of the transmission rod is fixedly connected with the clamp, the rotating shaft is sleeved in the middle of the clamp, the return spring is arranged on the outer surface of the lower end of the clamp, a suction pipe is sleeved at the lower end of the clamp, the transmission rod, the clamp, the rotating shaft and the return spring are respectively two in number, and the transmission rod, the clamp, the rotating shaft and the return spring are symmetrically arranged by taking the suction pipe as a center.

Preferably, the upper end of the straw is matched with the air bag, and the outer surface of the straw is provided with scales.

Preferably, the lower end of the sealing cover is provided with a threaded pipe, and the sealing cover is movably connected with the operating pipe through the threaded pipe.

Preferably, the gripping block is made of rubber, and a frosted layer is arranged on the surface of the gripping block.

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

1. according to the utility model, the two clamps and the return spring are arranged in a matched manner, so that the suction pipe can be fastened and fixed, and the effect of upwards sliding the slide block and enabling the clamps to rotate around the rotating shaft by driving the horizontal rod and the transmission rod to upwards move so as to loosen the suction pipe is achieved through the matched arrangement of the slide block, the horizontal rod, the transmission rod and the rotating shaft.

2. According to the utility model, through the matched arrangement of the button and the air bag, the effect that the air bag can be extruded to absorb or discharge the reagent by pressing the button with a single finger is achieved, the operation is convenient, the grasping with a single hand is convenient through the arrangement of the grasping block, the sliding block and the inclined hole, the effect that the operator can carry out all operations with a single hand is achieved, the other hand is liberated, and the working efficiency is improved.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a front perspective structural schematic view of the present invention.

In the figure: 1. operating the tube; 2. a sealing cover; 3. a straw; 4. a fixing device; 401. a horizontal bar; 402. a transmission rod; 403. clamping and buckling; 404. a rotating shaft; 405. a return spring; 5. a gripping block; 6. a slider; 7. an oblique hole; 8. an extraction device; 801. a button; 802. an air bag; 9. a threaded pipe.

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, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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. 1-3, an embodiment of the present invention is shown: the utility model provides a straw for cell culture that prevents pollution, including control tube 1 and straw 3, the upper surface swing joint of control tube 1 has sealed lid 2, the lower surface of control tube 1 has cup jointed straw 3, straw 3 is used for drawing and saves reagent, the inner wall fixedly connected with fixing device 4 of control tube 1, fixing device 4 plays fixed and release straw 3's effect, one side of control tube 1 is provided with grabs and holds and hold piece 5, slider 6 has been cup jointed in the lower extreme setting of the opposite side of control tube 1, slant hole 7 has been seted up to the upper end of control tube 1's opposite side, setting up of slant hole 7 makes things convenient for operating personnel to press button 801 through the thumb, extraction element 8 has been cup jointed to the inner wall in slant hole 7.

Further, the extraction device 8 comprises a button 801 and an air bag 802, the button 801 is sleeved on the inner wall of the inclined hole 7, the air bag 802 is arranged at one end of the button 801, the suction pipe 3 is sleeved at one end of the air bag 802, and the effect that the air bag 802 can be squeezed to absorb or discharge the reagent by pressing the button 801 with one finger is achieved through the matching arrangement of the inclined hole 7, the button 801 and the air bag 802.

Further, the fixing device 4 comprises a horizontal rod 401, a transmission rod 402, a clamp 403, a rotating shaft 404 and a return spring 405, the inner wall of the sliding block 6 is fixedly connected with the horizontal rod 401, the lower surface of the horizontal rod 401 is fixedly connected with the transmission rod 402, the lower end of the transmission rod 402 is fixedly connected with the clamp 403, the middle of the clamp 403 is sleeved with the rotating shaft 404, the outer surface of the lower end of the clamp 403 is provided with the return spring 405, the lower end of the clamp 403 is sleeved with the straw 3, the number of the transmission rod 402, the clamp 403, the rotating shaft 404 and the return spring 405 are two, the two transmission rods 402, the clamp 403, the rotating shaft 404 and the return spring 405 are symmetrically arranged by taking the straw 3 as the center, through the matching arrangement of the horizontal rod 401, the transmission rod 402, the clamp 403, the rotating shaft 404 and the return spring 405, the effect that the slide block 6 slides upwards is achieved, the slide block 6 drives the horizontal rod 401 and the transmission rod 402 to move upwards, and the clamp 403 rotates 404 around the rotating shaft so as to loosen the suction pipe 3 is achieved.

Further, the upper end of straw 3 and gasbag 802 looks adaptation, the scale has been seted up to the surface of straw 3, and through the upper end of straw 3 and gasbag 802 looks adaptation, can increase the gas tightness, more effective extraction reagent.

Further, the lower extreme of sealed lid 2 is provided with screwed pipe 9, and sealed lid 2 passes through screwed pipe 9 and operation pipe 1 swing joint, through sealed lid 2 and operation pipe 1 swing joint's setting, conveniently opens sealed lid 2 and changes gasbag 802.

Further, grab and hold 5 rubber materials, grab and hold the surface of holding 5 and be provided with the dull polish layer, through the setting of grabbing 5 rubber materials, conveniently grab and hold for a long time, be provided with the dull polish layer through the surface of grabbing 5, play the effect that increases friction power.

The working principle is as follows: slide block 6 of going up earlier, cup joint the lower extreme of control tube 1 behind straw 3, loosen slide block 6 back fixing device 4 and kick-back and tighten straw 3, later aim at reagent with straw 3, press button 801, button 801 extrusion gasbag 802, thereby later the gasbag 802 kick-backs and breathes in and draw reagent, accomplishes and draws, when drawing different reagents, through 6 slide blocks of sliding, fixing device 4 loosens, can change pure straw 3, avoids cross contamination.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A pipette for cell culture, which is capable of preventing contamination, comprises a handling tube (1) and a pipette (3), and is characterized in that: the utility model discloses a straw, including operation pipe (1), inner wall fixedly connected with fixing device (4), one side of operation pipe (1) is provided with grabs and holds and hold piece (5), the lower extreme setting of the opposite side of operation pipe (1) has cup jointed slider (6), slant hole (7) have been seted up to the upper end of the opposite side of operation pipe (1), extraction element (8) have been cup jointed to the inner wall in slant hole (7).

2. The pipette for cell culture according to claim 1, wherein the pipette comprises: the extraction device (8) comprises a button (801) and an air bag (802), the button (801) is sleeved on the inner wall of the inclined hole (7), the air bag (802) is arranged at one end of the button (801), and the suction pipe (3) is sleeved at one end of the air bag (802).

3. The pipette for cell culture according to claim 1, wherein the pipette comprises: the fixing device (4) comprises a horizontal rod (401), a transmission rod (402), a clamp (403), a rotating shaft (404) and a return spring (405), the inner wall of the sliding block (6) is fixedly connected with a horizontal rod (401), the lower surface of the horizontal rod (401) is fixedly connected with a transmission rod (402), the lower end of the transmission rod (402) is fixedly connected with a clip (403), the middle part of the clip (403) is sleeved with a rotating shaft (404), the outer surface of the lower end of the clip (403) is provided with a return spring (405), the suction pipe (3) is sleeved at the lower end of the clamp (403), the number of the transmission rods (402), the number of the clamp (403), the number of the rotating shafts (404) and the number of the return springs (405) are two, and the two transmission rods (402), the two clamp (403), the two rotating shafts (404) and the two return springs (405) are symmetrically arranged by taking the suction pipe (3) as a center.

4. The pipette for cell culture according to claim 1, which is capable of preventing contamination, and comprises: the upper end of the suction pipe (3) is matched with the air bag (802), and the outer surface of the suction pipe (3) is provided with scales.

5. The pipette for cell culture according to claim 1, wherein the pipette comprises: the lower end of the sealing cover (2) is provided with a threaded pipe (9), and the sealing cover (2) is movably connected with the operating pipe (1) through the threaded pipe (9).

6. The pipette for cell culture according to claim 1, wherein the pipette comprises: the grabbing block (5) is made of rubber, and a frosted layer is arranged on the surface of the grabbing block (5).

Images