CN209901314U

CN209901314U - Portable sample lifting device

Info

Publication number: CN209901314U
Application number: CN201920636374.0U
Authority: CN
Inventors: 张亚红
Original assignee: Chongqing Medical and Pharmaceutical College
Current assignee: Chongqing Medical and Pharmaceutical College
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-01-07
Anticipated expiration: 2029-05-06

Abstract

The utility model belongs to the technical field of the mechanical skill and specifically relates to a portable sample lifting device, including carrying the appearance pipe, carry the appearance pipe and include the body, be equipped with the piston rod in the body, the piston rod includes the connecting rod, is equipped with the plug on the front end lateral wall of connecting rod, is equipped with the rubber head burette in the connecting rod, and the rubber head burette includes the straight tube, and the front end of straight tube is equipped with the second suction head, and the rear end of straight tube is equipped with the buckling tube, is equipped with the gasbag. The utility model discloses a set up appearance and the similar appearance ware of carrying of syringe, make and carry the appearance ware lightly small and exquisite, portable sets up the rubber head drip tube in the piston rod simultaneously, can be in advance with partial sample liquid suction rubber head drip tube during the extraction sample liquid, can add a small amount at any time when transporting sample liquid, can conveniently and accurately draw sample liquid, convenient to use saves the trouble of extracting sample liquid repeatedly.

Description

Portable sample lifting device

Technical Field

The utility model relates to the technical field of machinery, specifically a portable sample lifting device.

Background

When a pharmacy experiment is carried out, a sample extractor is used for extracting a sample, the sample extractor in the prior art is a hollow pipe body with scales, the suction end of the pipe body is inserted into the sample when the sample is extracted, the sample enters the pipe body through the suction inlet at the lower end of the pipe body, when the sample reaches the required scales, the sample can be extracted by blocking the port at the upper end of the pipe body with a finger, and a suction pipe in the prior art is a glass pipe with a smooth outer surface, so that the suction pipe is inconvenient to carry and easy to slip or break; meanwhile, the existing sample extractor has the problems of troublesome operation and easy pollution to samples; in addition, the problem that the existing sample extracting device is not accurate enough in extraction exists, when the extracted sample is transferred into a test tube, part of sample liquid remains on the inner wall of the sample extracting device, and the required rated quantity can be reached only by repeated sample extraction. In view of this, we propose a portable sampler.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable sample lifting device to the sample lifting device among the prior art who provides in solving above-mentioned background art does not portable, easy slippage breaks, has the contaminated sample and the inaccurate problem of sample lifting.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a portable sample lifting device, includes the sample lifting device pipe, the sample lifting device pipe includes the body, be equipped with the scale mark on the lateral wall of body, the front end of body is equipped with first suction head, the outside of first suction head is equipped with the protective sheath, the rule is equipped with two spacing wings on the rear end lateral wall of body, be equipped with the piston rod in the body, the piston rod includes the connecting rod, the rear end of connecting rod is equipped with spacing piece, be equipped with the plug on the front end lateral wall of connecting rod, be equipped with gluey first burette in the connecting rod, gluey first burette includes the straight tube, the front end of straight tube is equipped with the second suction head, the rear end of straight tube is equipped with the pipe of buckling.

Preferably, the first suction head and the pipe body are of an integrally formed structure, the protective sleeve is movably sleeved on the outer side wall of the first suction head, and the limiting wings are fixed on the outer side wall of the pipe body in a melting mode.

Preferably, the limiting sheet is fixed to the rear end of the connecting rod in a melting mode, the rubber plug is fixedly sleeved on the outer side wall of the front end of the connecting rod, and the inner side wall of the rubber plug is fixed to the outer side wall of the connecting rod in a melting mode.

Preferably, the outer diameter of the rubber plug is equal to the inner diameter of the pipe body, and the rubber plug is matched with the pipe body in a clamping mode.

Preferably, the connecting rod is hollow, and the length of the connecting rod is greater than the inner length of the pipe body.

Preferably, the straight pipe is embedded in the connecting rod, the straight pipe, the second suction head and the bent pipe are of an integrally formed structure, and the outer diameter of the straight pipe is equal to the inner diameter of the first suction head.

Preferably, the bent pipe penetrates through the side wall of the connecting rod and then extends to the outside of the connecting rod, the air bag is fixedly sleeved on the bent pipe, and the inner side wall of the air bag is fixed on the outer side wall of the bent pipe in a melting mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up appearance and the similar appearance ware of carrying of syringe, make and carry the appearance ware lightly small and exquisite, portable sets up the rubber head drip tube in the piston rod simultaneously, can be in advance with partial sample liquid suction rubber head drip tube during the extraction sample liquid, can add a small amount at any time when transporting sample liquid, can conveniently and accurately draw sample liquid, convenient to use saves the trouble of extracting sample liquid repeatedly.

Drawings

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

fig. 2 is a schematic structural view of a sample extractor tube according to the present invention;

fig. 3 is a schematic diagram of a half-section structure of a sample lifting tube according to the present invention;

fig. 4 is a schematic structural view of the piston rod of the present invention;

fig. 5 is a schematic view of a half-section structure of the piston rod of the present invention;

fig. 6 is a schematic structural view of the rubber dropper of the present invention.

In the figure: 1. a sample extractor tube; 11. a pipe body; 111. scale lines; 12. a first suction head; 13. a protective sleeve; 14. a limiting wing; 2. a piston rod; 21. a connecting rod; 22. a limiting sheet; 23. a rubber plug; 3. a rubber head dropper; 31. a straight pipe; 32. a second suction head; 33. bending the tube; 34. an air bag.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "front", "back", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a portable sample lifting device, including lifting device pipe 1, lifting device pipe 1 includes body 11, be equipped with scale mark 111 on body 11's the lateral wall, body 11's front end is equipped with first suction head 12, first suction head 12's the outside is equipped with protective sheath 13, regularly be equipped with two spacing wings 14 on body 11's the rear end lateral wall, be equipped with piston rod 2 in the body 11, piston rod 2 includes connecting rod 21, connecting rod 21's rear end is equipped with spacing piece 22, be equipped with plug 23 on connecting rod 21's the front end lateral wall, be equipped with gluey first burette 3 in the connecting rod 21, gluey first burette 3 includes straight tube 31, straight tube 31's front end is equipped with second suction head 32, straight tube 31's rear end is equipped with bending tube 33.

In this embodiment, the scale mark 111 is fixed and marked on the outer side wall of the tube body 11, so that the scale mark 111 is firm, stable, clear and not easy to fall off.

Furthermore, the first suction head 12 and the tube body 11 are of an integrated structure, and the limiting wings 14 are fixed on the outer side wall of the tube body 11 in a melting manner, so that the sample lifter tube 1 is firm and stable in the whole structure.

Further, the protective sheath 13 is movably sleeved on the outer side wall of the first suction head 12, so that the protective sheath 13 can be detached, and the first suction head 12 can be prevented from being worn or polluted through the protective sheath 13.

In this embodiment, the limiting piece 22 is fixed to the rear end of the connecting rod 21 by melting, so that the limiting piece 22 is firm and stable.

Further, the fixed cover of plug 23 is established on the front end lateral wall of connecting rod 21, and the inside wall melting of plug 23 is fixed on the lateral wall of connecting rod 21, makes plug 23 durable firm, and seals well between plug 23 and the connecting rod 21, avoids appearing the condition of weeping or gas leakage.

Further, the external diameter of plug 23 is equal with the internal diameter of body 11, and plug 23 and the cooperation of 11 joints of body make plug 23 be connected closely with body 11, be convenient for suction appearance liquid.

Further, the length of the connecting rod 21 is greater than the inner length of the tube 11, when the rubber plug 23 is pushed to the foremost end of the tube 11, the limiting piece 22 cannot be pushed into the tube 11, and meanwhile, a gap is left between the tube 11 and the limiting piece 22, so that the bent tube 33 and the air bag 34 cannot be extruded.

In this embodiment, the connecting rod 21 is hollow, and the straight tube 31 is embedded in the connecting rod 21, so that the rubber dropper 3 and the piston rod 2 are stably connected.

Furthermore, the straight tube 31, the second suction head 32 and the bent tube 33 are integrally formed, so that the structure of the rubber dropper 3 is firm and stable.

Further, the outer diameter of the straight tube 31 is equal to the inner diameter of the first suction head 12, and when the piston rod 2 is pushed to the foremost end of the tube body 11, the front end of the rubber-tipped dropper 3 is clamped in the first suction head 12, so that air in the sample extractor tube 1 can be further squeezed out, and the amount of air remaining in the sample extractor tube when the sample extractor sucks the sample liquid is reduced.

Furthermore, the bending tube 33 passes through the side wall of the connecting rod 21 and then extends to the outside, the air bag 34 is fixedly sleeved on the bending tube 33, the inner side wall of the air bag 34 is fixed on the outer side wall of the bending tube 33 in a melting mode, so that the air bag 34 is firm and stable, the air bag 34 and the bending tube 33 are well sealed, and the air leakage or liquid leakage is avoided.

Specifically, the tube body 11, the protective sleeve 13, the limiting wings 14, the connecting rod 21, the limiting pieces 22 and the branch tubes 31 are all made of medical grade polypropylene, and the material is sanitary, environment-friendly, light, easy to mold, wear-resistant and durable.

Furthermore, the rubber plug 23 and the air bag 34 are both made of medical grade natural rubber, and the rubber plug is soft and elastic in material, good in sealing performance, large in friction force, wear-resistant and durable.

When the portable sample taking device of the embodiment is used, firstly, the protective sleeve 13 is removed, the piston rod 2 is pushed to the foremost end of the tube body 11, the air bag 34 is pinched by one hand while the first suction head 12 is inserted into the sample liquid, the air bag 34 is released to enable part of the sample liquid to enter the rubber head dropper 3, then the tube body 11 is held by one hand, the limiting piece 22 is pinched by the other hand to stretch the piston rod 2 backwards, the sample liquid is sucked into the tube body 11, the scale mark 111 is observed at any time to judge the amount of the sample liquid to be taken out, after the sampling is finished, the sample taking device is moved to a vessel containing the sample liquid, the piston rod 2 is pushed to transfer the sample liquid into the vessel, and at this time, if the sample liquid remains in the tube body 11 slightly, and the amount of the sample liquid in the vessel is insufficient, the air bag 34 is pinched to slowly drop a small amount of the sample liquid into the vessel until the amount of the sample liquid.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A portable sampler comprising a sampler tube (1), characterized in that: the sample extraction tube (1) comprises a tube body (11), scale marks (111) are arranged on the outer side wall of the tube body (11), a first suction head (12) is arranged at the front end of the tube body (11), a protective sleeve (13) is arranged on the outer side of the first suction head (12), two limiting wings (14) are regularly arranged on the outer side wall of the rear end of the tube body (11), a piston rod (2) is arranged in the tube body (11), the piston rod (2) comprises a connecting rod (21), a limiting sheet (22) is arranged at the rear end of the connecting rod (21), a rubber plug (23) is arranged on the outer side wall of the front end of the connecting rod (21), a rubber plug dropper (3) is arranged in the connecting rod (21), the rubber plug dropper (3) comprises a suction head (31), a second suction head (32) is arranged at the front end of the straight tube (31), and a bent tube (, an air bag (34) is arranged on the bent pipe (33).

2. The portable sampler of claim 1, wherein: first suction head (12) with body (11) are the integrated into one piece structure, protective sheath (13) movable sleeve is established on the lateral wall of first suction head (12), spacing wing (14) melting is fixed on the lateral wall of body (11).

3. The portable sampler of claim 1, wherein: spacing piece (22) melting is fixed the rear end of connecting rod (21), plug (23) fixed cover is established on the front end lateral wall of connecting rod (21), the inside wall melting of plug (23) is fixed on the lateral wall of connecting rod (21).

4. The portable sampler of claim 1, wherein: the external diameter of plug (23) with the internal diameter of body (11) equals, plug (23) with body (11) joint cooperation.

5. The portable sampler of claim 1, wherein: the connecting rod (21) is hollow, and the length of the connecting rod (21) is greater than the inner length of the pipe body (11).

6. The portable sampler of claim 1, wherein: the straight pipe (31) is embedded in the connecting rod (21), the straight pipe (31), the second suction head (32) and the bent pipe (33) are of an integrally formed structure, and the outer diameter of the straight pipe (31) is equal to the inner diameter of the first suction head (12).

7. The portable sampler of claim 1, wherein: the bent pipe (33) penetrates through the side wall of the connecting rod (21) and then extends to the outside of the connecting rod, the air bag (34) is fixedly sleeved on the bent pipe (33), and the inner side wall of the air bag (34) is fixed on the outer side wall of the bent pipe (33) in a melting mode.