CN217505324U - Sampling device for complete culture medium detection - Google Patents

Abstract

The utility model discloses a complete culture medium detects uses sampling device, including the sampler, one side swing joint of sampler has the quantity control table of inhaling, the top swing joint of sampler has the absorption control block, one side fixedly connected with fender hand piece at sampler top, the top swing joint of sampler has the straw control block of getting rid of, non-slip hole has been seted up to one side of sampler, the bottom fixedly connected with of sampler prevents the box that backflows, prevent one side intercommunication gas-supply pipe of the box that backflows, the bottom swing joint of preventing the box that backflows has the regulating block, the bottom intercommunication of regulating block has the connecting pipe, the bottom swing joint of connecting pipe has the piece of preventing falling, the bottom intercommunication of preventing falling the piece has the straw. Through the anti-reflux box who sets up, can increase the inside pressure of anti-reflux box through gaseous injection to the inside of anti-reflux box, thereby utilize atmospheric pressure extrusion to absorb the stopper and just can avoid the problem that the sample flows out from the top of connecting pipe.

Description

Sampling device for complete culture medium detection

Technical Field

The utility model belongs to the technical field of about sampling device, concretely relates to complete culture medium detects uses sampling device.

Background

The basic culture medium is called complete culture medium and (serum) cell culture medium after being added with substances such as serum, antibiotics and the like, the basic culture medium can only maintain the survival of cells, a natural culture medium is required to be added for the growth and the reproduction of the cells, bovine serum is commonly used, because the bovine serum contains various growth factors for promoting the cell proliferation and other various substances beneficial to the cell survival, in addition, a certain amount of antibiotics is required to be added into the culture solution for preventing pollution, and the complete culture medium can be divided into a cell growth culture medium and a cell maintenance culture medium according to the amount of the added serum and is used for different cells and different researches.

The complete culture medium is not lack of detection in daily use, the complete culture medium is required to be taken out of a measuring device during detection, data are obtained through experiments to judge whether the complete culture medium can obtain the daily use standard, a sampler is indispensable when the complete culture medium is taken out of the measuring device, the sampler can not only prevent the complete culture medium from being polluted during taking out, but also can achieve the effect of taking out the required amount by setting the numerical value of the sampler, however, although the sampler has the advantages, the sampler still has some defects, such as the traditional sampler, the problem of liquid backflow cannot be completely avoided, the problem of deviation of experimental data is possibly caused when different samples are used for sampling, a connecting pipe of the traditional sampler cannot be extended or shortened, and the sampler can only be matched with a suction pipe of one specification for suction, this makes it extremely difficult for the sampler to sample when measuring cups of different depths are encountered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a complete culture medium detects uses sampling device, has solved traditional sampler and has appeared liquid reflux and structural connection too simple problem to prior art exist.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling device for detecting a complete culture medium comprises a sampler, wherein one side of the sampler is movably connected with a suction control meter, the top of the sampler is movably connected with a suction control block, one side of the top of the sampler is fixedly connected with a hand block, the top of the sampler is movably connected with a suction pipe removal control block, one side of the sampler is provided with an anti-slip hole, the bottom of the sampler is fixedly connected with an anti-reflux box, one side of the anti-reflux box is communicated with a gas pipe, the bottom of the anti-reflux box is movably connected with an adjusting block, the bottom of the adjusting block is communicated with a connecting pipe, the bottom of the connecting pipe is movably connected with an anti-falling block, the bottom of the anti-falling block is communicated with a suction pipe, the inside of the sampler is fixedly connected with a suction controller, the bottom of the suction controller is movably connected with a spring A, the inside of the spring A is movably connected with a suction column, the utility model discloses a sampling device, including absorption column, anti-reflux box, connecting pipe, sampler, spring B, the both sides fixedly connected with that absorbs the post blocks piece A, the inside swing joint that prevents the reflux box has the anti-reflux stopper, the inside swing joint of connecting pipe has the absorption stopper, the fixedly connected with spring B of sampler, spring B's inside swing joint has row tubular column, the both sides fixedly connected with that arranges the tubular column blocks piece B.

Preferably, the bottom of the interior of the backflow prevention box is provided with a hole, and the specification and the size of the hole at the bottom of the interior of the backflow prevention box are matched with those of the backflow prevention plug.

Through adopting above-mentioned technical scheme, the advantage lies in preventing the box that backflows through increasing, can increase the inside pressure of preventing the box that backflows through the inside injection gas of box to the backflow prevention, thereby utilizes atmospheric pressure extrusion to absorb the stopper and just can avoid the problem that the sample flows out from the top of connecting pipe.

Preferably, one side of the sampler is fixedly connected with an elastic anti-slip belt.

Through adopting above-mentioned technical scheme, the advantage lies in through the elasticity antiskid band that increases, can prevent that the experimenter from appearing the condition of taking off one's hand when the device to just can avoid the waste to the sample.

Preferably, the suction plug is fixedly connected with the suction column inside, and the specification and the size of the suction plug are matched with those of the inner space of the connecting pipe.

Through adopting above-mentioned technical scheme, the advantage lies in through the absorption stopper that increases, can reach the purpose of inhaling the straw with sample solution through the extrusion connecting pipe inner space, has made things convenient for the absorption to the sample, also can prevent the problem that the backward flow appears in the liquid simultaneously.

Preferably, one end of the connecting pipe is provided with threads, the inside of the adjusting block is provided with threads, and the specification of the threads at one end of the connecting pipe is matched with the specification of the threads inside the adjusting block.

Through adopting above-mentioned technical scheme, the advantage lies in through the regulating block that increases, utilizes to rotate the regulating block and has made things convenient for and shorten the connecting pipe and extend to just having impeld the absorption post and can having connected different straws, thereby also made things convenient for the sampler to the sample of dress at different graduated flask samples.

Preferably, one end of the removal suction pipe control block penetrates through the top of the sampler and is connected with one end of the calandria column.

By adopting the technical scheme, the automatic pipette removing device has the advantages that the pipette removing control block is additionally arranged, so that the used pipette can be conveniently removed from the bottom of the sampler, and the pollution of the sampler caused by the contact of hands is avoided.

Preferably, the bottom of the backflow prevention box is communicated with an exhaust pipe.

Through adopting above-mentioned technical scheme, the advantage lies in through the blast pipe that increases, prevents that the inside air of reflux box certainly can receive the pollution after the sampler uses a period, can utilize carminative mode to discharge harmful gas, has avoided polluting the sample.

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

1. through the anti-reflux box that sets up, can increase the inside pressure of anti-reflux box through the inside injection gas to the anti-reflux box, thereby utilize atmospheric pressure extrusion to absorb the stopper and just can avoid the problem that the sample flows from the top of connecting pipe, through the elasticity antiskid band that sets up, can prevent that the condition of taking off the hand from appearing in the experimenter when the use device, thereby just can avoid the waste to the sample, the stopper is got through the absorption that sets up, can reach the purpose of inhaling the straw with sample solution through the extrusion connecting pipe inner space, the absorption to the sample has been made things convenient for, the problem of backward flow also can prevent simultaneously that the liquid from appearing.

2. Through the regulating block that sets up, the utilization is rotated the regulating block and has been made things convenient for and has shortened the connecting pipe and extend, thereby just made the absorption post and can be connected different straws, thereby also made things convenient for the sampler to the sample of dress at different graduated flask samples, through the straw control block that gets rid of that sets up, the straw that has made things convenient for to use up is got rid of from the bottom of sampler, cause the pollution of sampler when having avoided contacting with the hand, through the blast pipe that sets up, prevent that the inside air of reflux box can receive the pollution certainly after the sampler uses a period, can utilize carminative mode to discharge harmful gas, the pollution sample has been avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of the right-side view structure of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a sampler; 2. an elastic anti-slip band; 3. an anti-slip hole; 4. an intake control meter; 5. a hand block; 6. sucking a control block; 7. removing the suction pipe control block; 8. a backflow prevention box; 9. an adjusting block; 10. a connecting pipe; 11. a straw; 12. the block is prevented from falling; 13. a gas delivery pipe; 14. an exhaust pipe; 15. sucking the column; 16. arranging pipe columns; 17. a suction volume controller; 18. a spring A; 19. a blocking block A; 20. the back plug is prevented; 21. a suction plug; 22. a spring B; 23. and a stop block B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in figures 1-4, a sampling device for complete culture medium detection comprises a sampler 1, one side of the sampler 1 is movably connected with a suction amount control meter 4, the top of the sampler 1 is movably connected with a suction control block 6, one side of the top of the sampler 1 is fixedly connected with a hand block 5, the top of the sampler 1 is movably connected with a suction removal control block 7, one side of the sampler 1 is provided with an anti-slip hole 3, the bottom of the sampler 1 is fixedly connected with an anti-reflux box 8, one side of the anti-reflux box 8 is communicated with a gas pipe 13, the bottom of the anti-reflux box 8 is movably connected with an adjusting block 9, the bottom of the adjusting block 9 is communicated with a connecting pipe 10, the bottom of the connecting pipe 10 is movably connected with an anti-drop block 12, the bottom of the anti drop block 12 is communicated with a suction pipe 11, the interior of the sampler 1 is fixedly connected with a suction amount controller 17, the bottom of the suction amount controller 17 is movably connected with a spring A18, the inside swing joint of spring A18 has the absorption post 15, and the both sides fixedly connected with of absorption post 15 blocks A19, and the inside swing joint of preventing the box 8 that backflows has prevents back stopper 20, and the inside swing joint of connecting pipe 10 has the absorption stopper 21, and the fixedly connected with spring B22 of sampler 1, the inside swing joint of spring B22 has row's of tubes 16, and the both sides fixedly connected with blocks B23 of row's of tubes 16.

The working principle of the technical scheme is as follows:

firstly, straws 11 with different heights are selected according to the cup depth of the complete culture medium solution, then the length of a connecting pipe 10 is adjusted by using an adjusting block 9, so that a suction column 15 can be connected with the straws 11 with different heights, then a sampler 1 is fixed on a hand by using the action of an elastic antiskid band 2, then a forefinger abuts against the bottom of a hand block 5, meanwhile, a thumb presses the top of a suction control block 6, then the straw 11 is placed on the complete culture medium solution, then the thumb is far away from the top of the suction control block 6, at the moment, a suction plug 21 is driven to rebound upwards by the action of a spring A18, the complete culture medium solution is sucked inside the straw 11 by using the action of air pressure, then the complete culture medium solution is squeezed on an experimental device by pressing the top of the suction control block 6 by the thumb, and finally the top of the straw control block 7 is pressed and removed when sampling is completed, the discharge string 16 will then press the connecting tube 10 downwards and cause the suction tube 11 to fall out, thus avoiding the trouble of removing the suction tube 11 by hand.

In another embodiment, as shown in fig. 1-4, the bottom of the interior of the anti-backflow box 8 is provided with a hole, and the size of the hole at the bottom of the interior of the anti-backflow box 8 is matched with the size of the anti-backflow plug 20.

Through the added backflow prevention box 8, the pressure inside the backflow prevention box 8 can be increased by injecting gas into the backflow prevention box 8, and the problem that the sample flows out from the top of the connecting pipe 10 can be avoided by pressing the suction plug 21 with air pressure.

In another embodiment, as shown in fig. 1-4, a resilient non-slip band 2 is fixedly attached to one side of sampler 1.

Through the elastic anti-slip band 2, the situation that the experimenter takes off hands when using the device can be prevented, and the waste of samples can be avoided.

In another embodiment, as shown in fig. 1 to 4, the suction column 15 is fixedly connected to the inside of the suction plug 21, and the size of the suction plug 21 is adapted to the size of the inner space of the connection tube 10.

Through the absorption stopper 21 that increases, can reach the purpose of absorbing sample solution into the straw 11 through the extrusion connecting pipe 10 inner space, make things convenient for the absorption to the sample, also can prevent the problem that the backward flow appears in the liquid simultaneously.

In another embodiment, as shown in fig. 1-4, one end of the connecting tube 10 is threaded, the inside of the adjusting block 9 is threaded, and the thread at one end of the connecting tube 10 is matched with the thread inside the adjusting block 9.

Through the added adjusting block 9, the connecting pipe 10 is convenient to shorten and extend by rotating the adjusting block 9, so that the suction column 15 can be connected with different suction pipes 11, and the sampler 1 can take samples in different measuring cups.

In another embodiment, as shown in FIGS. 1-4, one end of the removal pipette control block 7 is connected to one end of the drain string 16 through the top of the sampler 1.

By adding the pipette removal control block 7, the pipette 11 which is used up is conveniently removed from the bottom of the sampler 1, and the pollution of the sampler 1 caused by hand contact is avoided.

In another embodiment, as shown in fig. 1-4, the bottom of the anti-reflux box 8 is connected to an exhaust tube 14.

By adding the exhaust pipe 14, the air inside the backflow prevention box 8 is certainly polluted after the sampler 1 is used for a period of time, harmful gas can be exhausted by means of exhaust, and the sample is prevented from being polluted.

The utility model discloses a theory of operation and use flow: firstly, straws 11 with different heights are selected according to the depth of a cup for placing complete culture medium solution, then the length of a connecting pipe 10 is adjusted by an adjusting block 9, thereby a suction column 15 is prompted to be connected with the straws 11 with different heights, then a sampler 1 is fixed on a hand by the function of an elastic antiskid band 2, then a forefinger supports against the bottom of a hand blocking block 5, meanwhile, the top of a suction control block 6 is pressed by a thumb, then the straw 11 is placed on the complete culture medium solution, then the thumb is far away from the top of the suction control block 6, at the moment, a suction plug 21 is driven to rebound upwards by the function of a spring A18, the complete culture medium solution is sucked in the straw 11 by the function of air pressure, then the complete culture medium solution is squeezed on an experimental apparatus by pressing the top of the suction control block 6 by the thumb, and finally, the top of the straw control block 7 is pressed and removed when sampling is completed, the discharge string 16 will then press the connecting tube 10 downwards and cause the suction tube 11 to fall out, thus avoiding the trouble of removing the suction tube 11 by hand.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A sampling device for complete medium detection, comprising a sampler (1), characterized in that: one side swing joint of sampler (1) has an absorption control table (4), the top swing joint of sampler (1) has an absorption control block (6), one side fixedly connected with blocking hand block (5) at the top of sampler (1), the top swing joint of sampler (1) has a removal straw control block (7), one side of sampler (1) has been seted up anti-skidding hole (3), one side fixedly connected with of sampler (1) prevents box (8) that backflows, one side of preventing box (8) communicates gas-supply pipe (13), the bottom swing joint of preventing box (8) has regulating block (9), the bottom intercommunication of regulating block (9) has connecting pipe (10), the bottom swing joint of connecting pipe (10) has prevents falling piece (12), the bottom intercommunication of preventing falling piece (12) has straw (11), the inside fixedly connected with of sampler (1) has an absorption controller (17), inhale the bottom swing joint of volume controller (17) and have spring A (18), the inside swing joint of spring A (18) has absorption post (15), the both sides fixedly connected with who absorbs post (15) blocks piece A (19), the inside swing joint who prevents reflux box (8) prevents back stopper (20), the inside swing joint of connecting pipe (10) has the absorption stopper (21), the fixedly connected with spring B (22) of sampler (1), the inside swing joint of spring B (22) has row tubular column (16), the both sides fixedly connected with of row tubular column (16) blocks piece B (23).

2. The sampling device for complete culture medium detection according to claim 1, wherein: the hole is formed in the bottom of the interior of the backflow prevention box (8), and the specification size of the hole in the bottom of the interior of the backflow prevention box (8) is matched with the specification size of the backflow prevention plug (20).

3. The sampling device for complete culture medium detection according to claim 1, wherein: one side of the sampler (1) is fixedly connected with an elastic anti-slip belt (2).

4. The sampling device for complete culture medium detection according to claim 1, wherein: the inside fixedly connected with of drawing stopper (21) draws post (15), and the specification and size that draws stopper (21) and connecting pipe (10) inner space looks adaptation.

5. The sampling device for complete culture medium detection according to claim 1, wherein: the thread is opened to the one end of connecting pipe (10), the inside of regulating block (9) is opened threadedly, the specification of connecting pipe (10) one end screw thread and the specification looks adaptation of regulating block (9) internal thread.

6. The sampling device for complete culture medium detection according to claim 1, wherein: one end of the removal suction pipe control block (7) penetrates through the top of the sampler (1) and is connected with one end of a drainage pipe column (16).

7. The sampling device for complete culture medium detection according to claim 1, wherein: the bottom of the backflow prevention box (8) is communicated with an exhaust pipe (14).

Images