CN215640346U

CN215640346U - Sampling device for biological research

Info

Publication number: CN215640346U
Application number: CN202121128820.0U
Authority: CN
Inventors: 黄显龙
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-25
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a sampling device for biological research; the sampling tube comprises a sampling tube, the bottom of the sampling tube is in threaded connection with a hollow box, the surface of the bottom of the hollow box is in matched connection with a sampling needle, the surface of the top of the hollow box is provided with a through hole, a sealing plate A is movably connected in the hollow box, one end of the sealing plate A penetrates through the hollow box and the rear of the sampling tube and is fixedly connected with a pull ring, the top of the sampling tube penetrates through a push-pull handle and a limiting rod, the bottom end of the push-pull handle extends into the rear of the sampling tube and is fixedly connected with a sealing rubber plug, the top of the sealing rubber plug is fixedly connected with a limiting block, the outer side surface of the sampling tube is provided with a measurement line, the sampling amount of the limiting rod and the limiting block can be controlled, the phenomenon that the effect during research is influenced by too much or too little sampling amount of sample liquid is prevented, and the use requirement can be met by accurately controlling the amount of the sampling liquid.

Description

Sampling device for biological research

Technical Field

The utility model belongs to the technical field of sampling equipment, and particularly relates to a sampling device for biological research.

Background

Biology is the natural science of studying biological functions and development laws, including the study of plants, animals and microorganisms, and when studying it, it is often combined with observation instruments to study and analyze biological cells and living environment, and when studying and observing some biological culture fluids, it is common to sample the fluid by a sampling device, and then to detect the sample, so as to know the composition and characteristics of the fluid, therefore, it can be known that the present sampling device for biological research, which is convenient for classification, basically meets the needs of people, but still has some problems.

Patent No. CN212539742U provides a sampling device for biological research, including sampling tube main part and negative pressure pole main part, the inside embedded negative pressure pole main part that has of sampling tube main part, the inside categorised strorage device that is provided with of sampling tube main part, the sampling tube main part is done singly and is provided with fixing device. According to the device, the liquid in the main body of the negative pressure rod enters the collecting cavities through the connecting pipe by pulling the handle, the handle is loosened, the liquid can be stored, and different liquids can be classified and stored through the two groups of collecting cavities.

The above patents also have the following disadvantages: 1. the amount of the sample liquid taken during sampling cannot be accurately controlled, so that the research effect is influenced by excessive or insufficient sampling amount, and the use requirement cannot be met; 2. the sample liquid taken out can not be directly classified in the sampling process, so that the sampling efficiency is lower, and the time is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sampling device for biological research, which solves the problems that the amount of sample liquid taken during sampling can be accurately controlled, the research effect is influenced by too much or too little sampling amount, and the use requirement cannot be met.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a sampling device for biological research, includes the sampling tube, sampling tube bottom spiral shell closes and is connected with hollow box, hollow box bottom surface cooperation is connected with the sample syringe needle, the opening has been seted up on hollow box top surface, swing joint has closing plate A in the hollow box, fixedly connected with pull ring behind hollow box and the sampling tube is run through to closing plate A one end, the sampling tube top is run through and is pushed away pull handle and gag lever post, the push-and-pull extends into the sampling tube rear fixedly connected with sealing rubber stopper to the bottom, sealing rubber stopper top fixedly connected with stopper, the sampling tube outside surface is provided with the measurement line.

Preferably, the surface of one side of the top of the sampling tube is screwed with a fastening bolt, one end of the fastening bolt extends into the sampling tube and then is movably connected with the limiting rod, and the limiting rod can be fixed through the fastening bolt.

Preferably, the sampling tube side surface cooperation is connected with the sample liquid collecting pipe, the thread bush has been cup jointed in the sample liquid collecting pipe outside, can install the sample collecting bottle through the thread bush for the installation of sample collecting bottle is comparatively simple.

Preferably, the spiral shell is sheathe in and is screwed in and is connected with the sample receiving flask, in the sample liquid collecting pipe extended to get into the sample receiving flask, can directly classify the sample liquid when the sample, simplified the flow of sample, improved the efficiency of sample, be fit for extensively using widely.

Preferably, the outer side surface of the sampling tube is fixedly connected with a fixed block, the fixed block is screwed with an adjusting bolt, the adjusting bolt is screwed, and the adjusting bolt is lifted through a screwing mechanism of the adjusting bolt and the fixed block.

Preferably, the adjusting bolt bottom extends into the fixed block and is fixedly provided with a bearing at the back, the bottom of the bearing is connected with a sealing plate B in a matching manner, the sealing plate B is movably connected with the sample liquid collecting pipe, after the sample liquid enters the sampling pipe, the adjusting bolt is screwed through a screwing mechanism of the adjusting bolt and the fixed block, so that the adjusting bolt ascends to drive the sealing plate B to ascend, and the sampling pipe at the moment is communicated with the sampling collecting bottle through the sample liquid collecting pipe.

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

1. the utility model can carry out sampling treatment by a sampling device after a sampling needle head is inserted into biological tissues under study, change the height of a limiting rod in a sampling tube after the sampling needle head is inserted into the tissues, screw a fastening bolt to fix the limiting rod when the limiting rod is adjusted to the height of measurement required to be sampled through a measurement line, pull a pull ring at the moment to enable the sampling needle head to be communicated with the sampling tube through a hollow box, pull a push-pull handle to enable a sealing rubber plug to move upwards in the sampling tube to enable the sampling tube and the hollow box to generate negative pressure, thereby pressing sample liquid into the sampling tube through the sampling needle head and the hollow box through atmospheric pressure, driving the lifting process of the sealing rubber plug through the push-pull handle until a limiting block on the sealing rubber plug is contacted with the limiting rod, controlling the sampling amount through the limiting rod and the limiting block, and preventing the sample liquid from being too much or too little when being used to influence the effect of the study, through carrying out accurate control to the volume of getting liquid, can satisfy the user demand.

2. In the utility model, when the sample liquid enters the sampling tube in the sampling process, the adjusting bolt is screwed, the adjusting bolt is lifted through the screwing mechanism of the adjusting bolt and the fixed block, thereby driving the sealing plate B to ascend, the sampling tube at the moment is communicated with the sampling and collecting bottle through the sample liquid collecting tube, then the pull ring is pushed inwards to separate the sampling tube from the sampling needle by the sealing plate A, then the push-pull handle is pressed downwards to press the sealing rubber plug downwards, so that the sample liquid enters the sampling and collecting bottle through the sample liquid collecting pipe, then the adjusting bolt is screwed reversely, so that the sealing plate isolates the sampling collection bottle from the sampling tube again, the sample liquid is sealed by the sampling collection bottle, then wash the sampling tube, just can take a sample once more, can directly classify the appearance liquid when taking a sample, simplified the flow of taking a sample, improved the efficiency of sample, be fit for extensively using widely.

Drawings

FIG. 1 is a schematic structural view of a sampling device for biological research according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a sampling device for biological research according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a sample liquid collecting tube of a sampling device for biological research according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a sampling tube of a sampling device for biological research according to an embodiment of the present invention.

In the figure: 1. pushing and pulling the handle; 2. adjusting the bolt; 3. a fixed block; 4. sealing the rubber plug; 5. sampling and collecting bottles; 6. a pull ring; 7. a hollow box; 8. a sampling needle; 9. a sealing plate A; 10. fastening a bolt; 11. a sampling tube; 12. a limiting rod; 13. a limiting block; 14. a threaded sleeve; 15. a sample liquid collecting pipe; 16. a sealing plate B; 17. a measurement line; 18. a bearing; 19. and (6) a port.

Detailed Description

In order to solve the problems that the amount of the sample liquid taken during sampling can be accurately controlled, the amount during sampling is too much or too little, so that the research effect is affected, and the use requirement cannot be met, the embodiment of the utility model provides a sampling device for biological research. 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.

Example 1

Referring to fig. 1, the embodiment provides a sampling device for biological research, including a sampling tube 11, a hollow box 7 is screwed to the bottom of the sampling tube 11, a sampling needle 8 is fittingly connected to the bottom surface of the hollow box 7, a through opening 19 is formed on the top surface of the hollow box 7, a sealing plate a9 is movably connected in the hollow box 7, one end of the sealing plate a9 penetrates through the hollow box 7 and the sampling tube 11 and is fixedly connected with a pull ring 6, a push-pull handle 1 and a limit rod 12 penetrate through the top of the sampling tube 11, the bottom end of the push-pull handle 1 extends into the sampling tube 11 and is fixedly connected with a sealing rubber plug 4, the top of the sealing rubber plug 4 is fixedly connected with a limit block 13, a measuring line 17 is arranged on the outer side surface of the sampling tube 11, the sampling amount of the sample liquid can be controlled by the limit rod 12 and the limit block 13, so as to prevent the sample liquid from being too much or too little to affect the research effect, and the sampling amount of the sample liquid can be accurately controlled, can meet the use requirement.

In this embodiment, the sampling tube 11 is taken up when the sampling device is used, the sampling device can perform sampling treatment after the sampling needle 8 is inserted into the biological tissue under study, after the sampling needle 8 is inserted into the tissue, the height of the limiting rod 12 in the sampling tube 11 is changed, when the limiting rod 12 is adjusted to the height of the measurement required to be sampled through the measurement line 17, the fastening bolt 10 is screwed to fix the limiting rod 12, the pull ring 6 is pulled at the moment to communicate the sampling needle 8 with the sampling tube 11 through the hollow box 7, then the push-pull handle 1 is pulled to move the sealing rubber plug 4 upwards in the sampling tube 11, negative pressure is generated in the sampling tube 11 and the hollow box 7, so that the sample liquid is pressed into the sampling tube 11 through the sampling needle 8 and the hollow box 7 by atmospheric pressure, the push-pull handle 1 drives the sealing rubber plug 4 to rise until the limiting block 13 on the sampling needle is contacted with the limiting rod 12, the sampling amount of the limiting rod 12 and the limiting block 13 can be controlled, and during the sampling process, after the sample liquid enters the sampling tube 11, the adjusting bolt 2 is screwed, the adjusting bolt 2 is lifted through the screwing mechanism of the adjusting bolt 2 and the fixed block 3, thereby leading the sealing plate B16 to rise, the sampling tube 11 is communicated with the sampling collecting bottle 5 through the sample liquid collecting tube 15, then the pull ring 6 is pushed inwards, so that the sealing plate A9 separates the sampling tube 11 from the sampling needle 8, then the push-pull handle 1 is pressed downwards, the sealing rubber plug 4 is pressed downwards, so that the sample liquid enters the sampling and collecting bottle 5 through the sample liquid collecting pipe 15, then the adjusting bolt 2 is screwed reversely, so that the sealing plate B16 isolates the sampling bottle 5 from the sampling tube 11 again, the sample liquid is sealed by the sampling bottle 5, and then the sampling tube 11 is cleaned to perform the sampling again.

Example 2

Please refer to fig. 1 to fig. 4, which are further improved based on the embodiment 1: the surface of one side of the top of the sampling tube 11 is connected with a fastening bolt 10 in a screwing mode, one end of the fastening bolt 10 extends into the sampling tube 11 and then is movably connected with the limiting rod 12, the surface of one side of the sampling tube 11 is connected with a sample liquid collecting tube 15 in a matching mode, the outer side of the sample liquid collecting tube 15 is sleeved with a threaded sleeve 14, the threaded sleeve 14 is connected with a sampling collecting bottle 5 in a screwing mode, the sample liquid collecting tube 15 extends into the sampling collecting bottle 5, the surface of the outer side of the sampling tube 11 is fixedly connected with a fixed block 3, the fixed block 3 is connected with an adjusting bolt 2 in a screwing mode, the bottom end of the adjusting bolt 2 extends into the fixed block 3 and then is fixedly provided with a bearing 18, the bottom of the bearing 18 is connected with a sealing plate B16 in a matching mode, the sealing plate B16 is movably connected with the sample liquid collecting tube 15, sample liquid can be directly classified during sampling, the sampling process is simplified, the sampling efficiency is improved, and the wide popularization and use are suitable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A sampling device for biological research, comprising a sampling tube (11), the bottom of the sampling tube (11) is screwed with a hollow box (7), the surface of the bottom of the hollow box (7) is matched and connected with a sampling needle head (8), the top surface of the hollow box (7) is provided with a through hole (19), a sealing plate A (9) is movably connected in the hollow box (7), one end of the sealing plate A (9) penetrates through the hollow box (7) and the sampling tube (11) and is fixedly connected with a pull ring (6), a push-pull handle (1) and a limiting rod (12) penetrate through the top of the sampling tube (11), the bottom end of the push-pull handle (1) extends into the sampling tube (11) and then is fixedly connected with a sealing rubber plug (4), sealing rubber stopper (4) top fixedly connected with stopper (13), sampling tube (11) outside surface is provided with measurement line (17).

2. A sampling device for biological research according to claim 1, wherein: the sampling tube (11) top one side surface spiral shell is connected with fastening bolt (10), fastening bolt (10) one end extends and gets into behind sampling tube (11) and gag lever post (12) swing joint.

3. A sampling device for biological research according to claim 2, wherein: the sampling tube (11) one side surface cooperation is connected with sample liquid collecting pipe (15), threaded sleeve (14) has been cup jointed in sample liquid collecting pipe (15) outside.

4. A sampling device for biological research according to claim 3, wherein: threaded sleeve (14) are gone up the spiral shell and are screwed up and be connected with sample collecting bottle (5), sample liquid collecting pipe (15) extend and get into in sample collecting bottle (5).

5. The sampling device for biological research according to claim 4, wherein: the sampler tube (11) outside fixed surface is connected with fixed block (3), spiral shell closes on fixed block (3) and is connected with adjusting bolt (2).

6. A sampling device for biological research according to claim 5, wherein: the bottom end of the adjusting bolt (2) extends into the fixing block (3) and is fixedly provided with a bearing (18), the bottom of the bearing (18) is connected with a sealing plate B (16) in a matching mode, and the sealing plate B (16) is movably connected with the sample liquid collecting pipe (15).