CN217211630U

CN217211630U - Sterile sampling device

Info

Publication number: CN217211630U
Application number: CN202122887346.6U
Authority: CN
Inventors: 陈华; 汤丽华; 张忠于; 张竹斌
Original assignee: Nantong Tianlaicun Agricultural Technology Development Co ltd
Current assignee: Nantong Tianlaicun Agricultural Technology Development Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-08-16
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to a sampling device technical field especially relates to aseptic sampling device. Aseptic sampling device includes a piston section of thick bamboo and pull rod, just the pull rod gomphosis is installed in the inside of piston section of thick bamboo, and with a sample chamber is formed in the piston section of thick bamboo connection, still includes flexible subassembly, just the one end of flexible subassembly is connected with the pull rod, the other end of flexible subassembly is connected with the gas and chews, flexible subassembly is located the inside of piston section of thick bamboo, the pull rod is chewed with the gas through flexible subassembly and is connected. The utility model provides an aseptic sampling device when having the regulation requirement to the sample figure, utilizes the flexible subassembly of being connected between pull rod and the gas mouth, adjusts to this restriction pull rod and the piston cylinder between the scope size, thereby realizes the effect of adjusting the size in sample chamber, easy and simple to handle, easily the first hand, and then so that the experiment sample.

Description

Sterile sampling device

Technical Field

The utility model relates to a sampling device technical field especially relates to aseptic sampling device.

Background

At present, in the industries of biology, medicine, food and beverage and the like, the culture of microorganisms is often needed, and the microorganisms are guided to carry out growth and metabolism by means of the existing fermentation technology and means so as to obtain the required biomass or metabolite. In the fermentation process, in order to track and observe the growth condition of the target strain in each stage in the tank body, a small amount of fermentation liquid is generally required to be taken from the tank at regular intervals for analysis and inspection. In order to avoid the analysis result from the contamination of the mixed bacteria as much as possible to be incorrect, higher sterility requirements are put forward for the sampling process.

When the sample, the figure of sample usually has certain standard, but current aseptic sampling device is when the sample, because the sample chamber space is limited, and can not carry out corresponding regulation according to the demand, when the figure of required sample is inconsistent with the sample chamber space size in the aseptic sampling device, often needs the operator to carry out a lot of samplings, and the figure of sample just also is difficult to the accuse, and then just not convenient to use yet.

Therefore, there is a need to provide a new sterile sampling device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a have and can utilize the flexible subassembly of being connected between pull rod and the gas are chewed when having the regulation requirement to the sample figure, adjust to this restriction pull rod and the piston cylinder between the scope size, thereby realize the effect of adjusting the size in sample chamber, easy and simple to handle, easily the first hand, and then so that the aseptic sampling device of experiment sample.

The sterile sampling device provided by the utility model comprises a piston cylinder and a pull rod, wherein the pull rod is embedded and installed inside the piston cylinder and connected with the piston cylinder to form a sampling cavity;

the pull rod slides in the piston cylinder to extract a sample, and the size of the sampling cavity can be synchronously adjusted by adjusting the telescopic assembly according to the sampling number.

Preferably, the telescopic assembly comprises a loop bar, a sliding rod is sleeved inside the loop bar and is connected inside the loop bar in a sliding manner, the top of the loop bar is fixedly connected with the pull rod, and the bottom of the sliding rod is fixedly connected with the air nozzle.

Preferably, the outer ring surface of the loop bar is provided with a clamping groove, the outer ring surface of the slide bar is provided with a plurality of holding grooves of the same axial line at equal intervals, the holding grooves and the clamping groove are positioned on the same axial line, and the inside of the holding grooves is embedded with an elastic component.

Preferably, the elastic component comprises a connecting plate, the connecting plate is fixedly connected with the loop bar, a spring is fixedly mounted on the other side of the connecting plate, a clamping block is fixedly mounted at the other end of the spring, the clamping block is matched with the clamping groove, and the sliding rod is clamped inside the loop bar through the clamping block and the clamping groove.

Preferably, the outer ring surface of the lower end part of the pull rod is sleeved with a brush, the brush is fixedly connected with the pull rod, and the brush is attached to and abutted against the inner wall of the piston cylinder.

Preferably, the air nozzle is located on the outer side of the piston cylinder, the diameter of the air nozzle is larger than that of the piston cylinder, and the top of the pull rod is fixedly provided with a handle.

Compared with the prior art, the utility model provides an aseptic sampling device has following beneficial effect:

1. the utility model provides an aseptic sampling device, when having the regulation requirement to the sample figure, utilize the flexible subassembly of being connected between pull rod and the gas nozzle, adjust to this restriction pull rod and the piston cylinder between the scope size, thereby realize the effect of adjusting the size of sample chamber, easy and simple to handle, easily the starting, and then so as to experiment the sample;

2. the utility model provides an aseptic sampling device, because the lower tip outer loop wall mounting brush of pull rod, and the inner wall of brush and piston cylinder tightly laminates, when the sample is accomplished and is carried out the laying-out, can scrape the adnexed residual on the piston cylinder inner wall and get to prevent to remain too much and cause the condition of jam, and then so that to the laying-out operation of sample.

Drawings

Fig. 1 is an overall schematic structural view of a preferred embodiment of the sterile sampling device provided by the present invention;

fig. 2 is a schematic structural view of the explosion shown in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the slide bar of the present invention;

fig. 4 is a schematic structural view of the loop bar of the present invention.

Reference numbers in the figures: 1. a piston cylinder; 2. a pull rod; 3. a handle; 4. a sampling cavity; 5. a telescoping assembly; 51. a loop bar; 52. a card slot; 53. a slide bar; 54. an elastic member; 541. a connecting plate; 542. a spring; 543. a clamping block; 55. accommodating a tank; 6. an air nozzle; 7. a brush.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The following detailed description is provided to illustrate specific embodiments of the present invention.

Referring to fig. 1 and 2, in the sterile sampling device provided in the embodiment of the present invention, the sterile sampling device includes a piston cylinder 1 and a pull rod 2, the pull rod 2 is embedded in the piston cylinder 1 and connected with the piston cylinder 1 to form a sampling cavity 4, and further includes a telescopic assembly 5, one end of the telescopic assembly 5 is connected with the pull rod 2, the other end of the telescopic assembly 5 is connected with an air nozzle 6, the telescopic assembly 5 is located inside the piston cylinder 1, and the pull rod 2 is connected with the air nozzle 6 through the telescopic assembly 5;

the air nozzle 6 is positioned on the outer side of the piston cylinder 1, the diameter of the air nozzle 6 is larger than that of the piston cylinder 1, and the top of the pull rod 2 is fixedly provided with a handle 3;

the pull rod 2 slides in the piston cylinder 1 to extract samples, and the size of the sampling cavity 4 can be synchronously adjusted by adjusting the telescopic assembly 5 according to the sampling number.

It should be noted that: because the pull rod 2 is embedded and installed inside the piston cylinder 1 and connected with the piston cylinder 1 to form a sampling cavity 4, the bottom of the pull rod 2 is connected with the telescopic component 5, the other end of the telescopic component 5 is connected with the air nozzle 6, the air nozzle 6 is positioned outside the piston cylinder 1, the diameter of the air nozzle 6 is larger than that of the piston cylinder 1, the top of the pull rod 2 is provided with the handle 3, when an experimental sample is sampled, the handle 3 can be pushed to the inside of the piston cylinder 1 to enable the pull rod 2 to slide downwards and then be inserted into the sample, the handle 3 is lifted to enable the pull rod 2 to slide upwards, the air nozzle 6 is contacted with the bottom of the piston cylinder 1, when the pull rod 2 cannot be lifted, the sample is taken from the inside of the sampling cavity 4 connected between the pull rod 2 and the piston cylinder 1, and when the sampling number has a specified requirement, the telescopic component 5 connected between the pull rod 2 and the air nozzle 6 is used for adjustment, so as to limit the range size between the pull rod 2 and the piston cylinder 1, thereby realize the effect of adjusting the size of sample chamber 4, easy and simple to handle, easily the shang shou, and then so that the experiment sample.

In an embodiment of the present invention, referring to fig. 3 and 4, the telescopic assembly 5 includes a sleeve rod 51, a sliding rod 53 is sleeved inside the sleeve rod 51, the sliding rod 53 is slidably connected inside the sleeve rod 51, a top of the sleeve rod 51 is fixedly connected to the pull rod 2, and a bottom of the sliding rod 53 is fixedly connected to the air nozzle 6;

a clamping groove 52 is formed in the outer annular surface of the loop bar 51, a plurality of accommodating grooves 55 of a coaxial line are formed in the outer annular surface of the sliding bar 53 at equal intervals, the accommodating grooves 55 and the clamping groove 52 are located on the coaxial line, and an elastic component 54 is embedded in the accommodating grooves 55;

the elastic assembly 54 includes a connecting plate 541, the connecting plate 541 is fixedly connected to the sleeve 51, a spring 542 is fixedly mounted on the other side of the connecting plate 541, a fixture block 543 is fixedly mounted at the other end of the spring 542, the fixture block 543 is matched with the slot 52, and the sliding rod 53 is connected to the sleeve 51 through the fixture block 543 and the slot 52.

It should be noted that: because the pull rod 2 slides in the piston cylinder 1, the sleeve rod 51 is arranged at the bottom of the pull rod 2, the slide rod 53 is connected in the sleeve rod 51 in a sliding way, the air nozzle 6 is connected at the bottom of the slide rod 53, the air nozzle 6 is positioned at the outer side of the piston cylinder 1, and the pull rod 2 is connected with the piston cylinder 1 to form a sampling cavity 4, when the size of the sampling cavity 4 needs to be adjusted according to the number of samples, the slide rod 53 can slide in the sleeve rod 51 in a way of being sleeved in the sleeve rod 51 by the slide rod 53, so that the distance between the air nozzle 6 and the pull rod 2 is shortened or increased, and the adjustment of the size of the sampling cavity 4 is realized;

it should also be noted that: because the sliding rod 53 is provided with the plurality of accommodating grooves 55, the elastic component 54 is installed in the accommodating groove 55, the loop bar 51 is provided with the clamping groove 52, the connecting plate 541 is fixedly connected with the sliding rod 53, the spring 542 is connected to the other side of the connecting plate 541, the clamping block 543 is installed at the other end of the spring 542, the clamping block 543 is matched and clamped with the clamping groove 52 on the loop bar 51, when the distance between the sliding rod 53 and the loop bar 51 is adjusted, the clamping block 543 can be automatically matched with the clamping groove 52 under the elastic force of the spring 542 by pressing the clamping block 543 to compress the spring 542, the sliding rod 53 slides to enable the sliding rod 53 to slide in the loop bar 51, when the distance is adjusted to a required distance, because the clamping block 543 meets the clamping groove 52, the clamping block 543 is automatically matched with the clamping groove 52, and the sliding rod 53 is clamped in the loop bar 51, so that the connection between the sliding rod 53 and the loop bar 51 is enhanced, the use is firmer, and the use is convenient.

In an embodiment of the present invention, please refer to fig. 2 and fig. 4, a brush 7 is sleeved on an outer annular surface of the lower end portion of the pull rod 2, the brush 7 is fixedly connected to the pull rod 2, and the brush 7 is attached to and abutted against an inner wall of the piston cylinder 1.

It should be noted that: because the outer ring wall of the lower end part of the pull rod 2 is provided with the brush 7, and the brush 7 is tightly attached to the inner wall of the piston cylinder 1, when the sampling is finished and the lofting is carried out, particularly for the lofting of powder, the arranged brush 7 can be used for scraping residues attached to the inner wall of the piston cylinder 1 so as to prevent the blockage caused by excessive residues and further facilitate the lofting operation of samples.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The sterile sampling device comprises a piston cylinder (1) and a pull rod (2), wherein the pull rod (2) is embedded in the piston cylinder (1) and connected with the piston cylinder (1) to form a sampling cavity (4), and the sterile sampling device is characterized by further comprising a telescopic assembly (5), one end of the telescopic assembly (5) is connected with the pull rod (2), the other end of the telescopic assembly (5) is connected with an air nozzle (6), the telescopic assembly (5) is located in the piston cylinder (1), and the pull rod (2) is connected with the air nozzle (6) through the telescopic assembly (5);

the pull rod (2) slides in the piston cylinder (1) to extract samples, and the size of the sampling cavity (4) can be synchronously adjusted by adjusting the telescopic assembly (5) according to the sampling number.

2. The sterile sampling device according to claim 1, wherein the telescopic assembly (5) comprises a sleeve rod (51), a slide rod (53) is sleeved inside the sleeve rod (51), the slide rod (53) is slidably connected inside the sleeve rod (51), the top of the sleeve rod (51) is fixedly connected with the pull rod (2), and the bottom of the slide rod (53) is fixedly connected with the air nozzle (6).

3. The sterile sampling device according to claim 2, wherein the outer ring surface of the sleeve rod (51) is provided with a clamping groove (52), the outer ring surface of the sliding rod (53) is provided with a plurality of holding grooves (55) which are coaxial at equal intervals, the holding grooves (55) and the clamping groove (52) are coaxial, and the inside of the holding grooves (55) is embedded with an elastic component (54).

4. The aseptic sampling device of claim 3, wherein the elastic component (54) comprises a connecting plate (541), the connecting plate (541) is fixedly connected with the sleeve rod (51), a spring (542) is fixedly installed at the other side of the connecting plate (541), a clamping block (543) is fixedly installed at the other end of the spring (542), the clamping block (543) is matched with the clamping groove (52), and the sliding rod (53) is clamped in the sleeve rod (51) through the clamping block (543) and the clamping groove (52).

5. The sterile sampling device according to claim 4, wherein the outer ring surface of the lower end of the pull rod (2) is sleeved with a brush (7), the brush (7) is fixedly connected with the pull rod (2), and the brush (7) is attached to and abutted against the inner wall of the piston cylinder (1).

6. The aseptic sampling device of claim 5, wherein the air nozzle (6) is positioned outside the piston cylinder (1), the diameter of the air nozzle (6) is larger than that of the piston cylinder (1), and the top of the pull rod (2) is fixedly provided with the handle (3).