CN219161740U

CN219161740U - Be used for soft cylinder of air sample pipetting

Info

Publication number: CN219161740U
Application number: CN202223106056.4U
Authority: CN
Inventors: 刘海峰
Original assignee: Jiangsu Jianzheng Inspection And Testing Co ltd
Current assignee: Jiangsu Jianzheng Inspection And Testing Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-09
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a soft syringe for air sample pipetting, which comprises an air sample pipetting soft syringe body and a hose, wherein the upper end of the air sample pipetting soft syringe body is provided with a fixed lug, the inside of the fixed lug is provided with a guide sleeve, the inside of the air sample pipetting soft syringe body is provided with a piston shaft, one end of the piston shaft is provided with a piston, and the other end of the piston shaft is provided with an I-shaped handle. According to the utility model, the check card is arranged on the hose, the hose can be opened or closed through the check card, when the inside of the needle cylinder is full, the hose can be pressed and closed through the movable card in the check card, so that the circulation of internal gas is stopped, in the transferring process, the internal sample is prevented from being discharged outwards, the external air is prevented from entering, the cross infection is avoided, when the inside of the hose is closed, the position of the piston shaft is prevented from moving, the integrity of the internal stored sample can be ensured in the transferring process, and the stability of sample transferring is improved.

Description

Be used for soft cylinder of air sample pipetting

Technical Field

The utility model relates to the field of air environment detection, in particular to a soft syringe for air sample pipetting.

Background

The air sample collecting method mainly comprises a direct sampling method and an enrichment sampling method, wherein the direct sampling method comprises syringe sampling, plastic bag sampling, gas sampling and vacuum bottle sampling, the enrichment sampling method comprises a solution absorption method and a filling column retention method, and after the air sample is collected, air is required to be transferred by using a liquid-transferring soft needle cylinder to detect the air sample.

The traditional air sample pipetting soft needle cylinder is simple in structure, the length of the hose is long, after air extraction is finished, a small amount of air is discharged from the hose in the transferring process of the needle cylinder, the possibility of cross infection of air is also caused, the sample detection result is affected, most of common handles are annular or handles, the annular size is fixed, and people with fat physique are easy to clamp hands and inconvenient to use.

Disclosure of Invention

The utility model aims to provide a soft syringe for air sample pipetting, which is used for solving the problems that the traditional soft syringe for air sample pipetting provided in the background art is simple in structure, long in hose length, small amount of air is discharged from the hose in the transferring process of the syringe after air suction is finished, the possibility of air cross infection is also caused, the sample detection result is influenced, most of common handles are formed into a ring shape or a handle, the ring shape is fixed in size, and people with fat physique are easy to clamp hands and inconvenient to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be used for soft cylinder of air sample liquid-transfering, includes soft cylinder of air sample liquid-transfering body and hose, the upper end of soft cylinder of air sample liquid-transfering body is equipped with fixed ear, the inside of fixed ear is equipped with the uide bushing, the inside of soft cylinder of air sample liquid-transfering body is equipped with the piston axle, the one end of piston axle is equipped with the piston, the other end of piston axle is equipped with the worker's model handle, the lower extreme of soft cylinder of air sample liquid-transfering body is equipped with the barrel head, the hose passes through the installation thread bush and installs the lower extreme at the barrel head, the outer lane on the hose is equipped with the check card, the one end of hose is equipped with the suction head, the outside of soft cylinder of air sample liquid-transfering body is equipped with the scale mark.

In a further embodiment, the outer ring of the middle part of the cartridge head is provided with a thread layer, and the thread layer is provided with two circles in total.

In a further embodiment, the suction head is provided with a conical structure, the hose and the mounting thread sleeve are connected in a hot melting mode through the sealing block, and the sealing block is provided with a spherical structure.

In a further embodiment, the check card is connected with the hose through sliding inlay, one side of the inner wall of the check card is provided with a movable card, the inner side of the movable card is provided with locking teeth, and the connection position of the movable card and the check card is set to be an inclined plane structure.

In a further embodiment, a storage hook is arranged on the outer side of the check card, and the storage hook is of a U-shaped structure.

In a further embodiment, the guide sleeve is fixedly connected with the fixing lug through clamping, and the cross section of the guide sleeve is of a circular structure.

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

1. according to the utility model, the check card is arranged on the hose, the hose can be opened or closed through the check card, when the inside of the needle cylinder is full, the hose can be pressed and closed through the movable card in the check card, so that the circulation of internal gas is stopped, in the transferring process, the internal sample is prevented from being discharged outwards, the external air is prevented from entering, the cross infection is avoided, when the inside of the hose is closed, the position of the piston shaft is prevented from moving, the integrity of the internal stored sample can be ensured in the transferring process, the stability of sample transferring is improved, and one side of the check card is provided with the storage hook, the longer hose can be rolled up through the storage hook, and the hose is convenient to carry.

2. According to the utility model, the original handle is modified into the I-shaped handle, positioning points are arranged on two sides of the I-shaped handle, so that the piston rod can be conveniently and flexibly adjusted upwards or downwards, the handle is more stable, the force can be conveniently and accurately used, and the operation is simpler and more convenient.

Drawings

FIG. 1 is a schematic view showing the internal structure of a soft syringe for air sample pipetting according to the utility model;

FIG. 2 is a detailed schematic view of the part A of the present utility model;

FIG. 3 is a side view of a soft syringe for air sample pipetting according to the utility model;

FIG. 4 is a schematic view of the closing structure of the check card of the present utility model;

fig. 5 is a top view of a soft syringe for air sample pipetting according to the utility model.

In the figure: 1. an air sample pipetting soft needle cylinder; 2. a fixed ear; 3. an I-shaped handle; 4. a guide sleeve; 5. a piston shaft; 6. a piston; 7. a check card; 8. a hose; 9. a suction head; 10. a sealing block; 11. a cartridge head; 12. a thread layer; 13. installing a threaded sleeve; 14. scale marks; 15. a storage hook; 16. locking teeth; 17. a movable card.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a be used for soft cylinder of air sample liquid-transfering, including soft cylinder body 1 of air sample liquid-transfering and hose 8, the upper end of soft cylinder body 1 of air sample liquid-transfering is equipped with fixed ear 2, the inside of fixed ear 2 is equipped with uide bushing 4, the inside of soft cylinder body 1 of air sample liquid-transfering is equipped with piston shaft 5, the one end of piston shaft 5 is equipped with piston 6, the other end of piston shaft 5 is equipped with I-shaped handle 3, the lower extreme of soft cylinder body 1 of air sample liquid-transfering is equipped with barrel head 11, hose 8 passes through the lower extreme of installation thread bush 13 connection at barrel head 11, the outer lane on the hose 8 is equipped with check card 7, the one end of hose 8 is equipped with suction head 9, the outside of soft cylinder body 1 of air sample liquid-transfering is equipped with scale mark 14.

The flexible position of piston shaft 5 is guided through fixed ear 2 and is fixed a position through uide bushing 4 is used for sealing the section of thick bamboo, increase inside pressure, be convenient for hold piston shaft 5 operation through I-handle 3, be used for installing installation thread bush 13 through section of thick bamboo head 11, be used for installing hose 8 and air sample pipetting flexible needle body 1 as an organic wholely through installation thread bush 13, be used for lengthening the length of stretching into of suction head 9 through hose 8, be convenient for insert hose 8 in the container through suction head 9, be used for marking the capacity of inside through scale mark 14.

Further, the outer ring of the middle part of the cylinder head 11 is provided with a thread layer 12, and the thread layer 12 is provided with two circles in total.

The thread layer 12 serves to increase the tightness of the installation thread bush 13.

Further, the suction head 9 has a tapered structure, the hose 8 and the installation screw sleeve 13 are connected by heat fusion through the seal block 10, and the seal block 10 has a spherical structure.

The sealing block 10 is used to increase the tightness of the connection of the hose 8 to the mounting screw sleeve 13.

Further, the check card 7 is connected with the hose 8 through sliding inlay, one side of the inner wall of the check card 7 is provided with a movable card 17, the inner side of the movable card 17 is provided with a locking tooth 16, and the connection position of the movable card 17 and the check card 7 is set to be an inclined plane structure.

The position where the check card 7 is installed is convenient to adjust and position by sliding inlay, and the check card 7 is used for opening or closing operation by the movable card 17.

Further, a receiving hook 15 is provided on the outer side of the check card 7, and the receiving hook 15 is formed in a U-shaped structure.

The hose 8 is wound up and stored by the storage hook 15.

Further, the guide sleeve 4 is fixedly connected with the fixed lug 2 through clamping, and the cross section of the guide sleeve 4 is of a circular structure.

The guide sleeve 4 and the fixed lug 2 are conveniently installed and fixed into a whole through clamping.

Working principle: when the air sample pipetting soft needle is used, the guide sleeve 4 penetrates from one end of the piston shaft 5, the piston 6 is installed at one end of the piston shaft 5 and fixed, the piston shaft 5 is embedded and installed in the air sample pipetting soft needle body 1, the guide sleeve 4 is embedded and fixed in the fixed lug 2, the hand-held I-shaped handle 3 pushes the piston 6 to the bottom, the hose 8 is connected with the cylinder head 11 through the installation thread sleeve 13, the installation thread sleeve 13 is screwed and fixed through the thread layer 12, the hose 8 is inserted into a sample container, the hand-held I-shaped handle 3 withdraws the piston shaft 5 upwards, a sample is transferred into the air sample pipetting soft needle body 1 through the suction head 9 and stored, the movable card 17 is clamped in the check card 7, the hose 8 is tightly closed through the locking teeth 16, and the air sample pipetting soft needle body 1 is carried to a required area.

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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics 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

1. The utility model provides a be used for soft cylinder of air sample pipetting, includes soft cylinder body (1) of air sample pipetting and hose (8), its characterized in that: the utility model discloses a syringe for air sample liquid-transfering soft needle cylinder, including the soft syringe body of air sample liquid-transfering soft needle cylinder (1), the upper end of the soft syringe body of air sample liquid-transfering (1) is equipped with fixed ear (2), the inside of fixed ear (2) is equipped with uide bushing (4), the inside of the soft syringe body of air sample liquid-transfering (1) is equipped with piston shaft (5), the one end of piston shaft (5) is equipped with piston (6), the other end of piston shaft (5) is equipped with worker's model handle (3), the lower extreme of the soft syringe body of air sample liquid-transfering (1) is equipped with cartridge head (11), hose (8) are installed at the lower extreme of cartridge head (11) through installation thread bush (13) connection, the outer lane on hose (8) is equipped with check card (7), the one end of hose (8) is equipped with suction head (9), the outside of the soft syringe body of air sample liquid-transfering (1) is equipped with scale mark (14).

2. A soft syringe for air sample pipetting according to claim 1, wherein: the outer ring in the middle of the cylinder head (11) is provided with a thread layer (12), and the thread layer (12) is provided with two circles.

3. A soft syringe for air sample pipetting according to claim 1, wherein: the suction head (9) is of a conical structure, the hose (8) is connected with the installation thread sleeve (13) through the sealing block (10) in a hot melting mode, and the sealing block (10) is of a spherical structure.

4. A soft syringe for air sample pipetting according to claim 1, wherein: the check card (7) is connected with the hose (8) through sliding inlay, one side of the inner wall of the check card (7) is provided with a movable card (17), the inner side of the movable card (17) is provided with locking teeth (16), and the connection position of the movable card (17) and the check card (7) is set to be an inclined plane structure.

5. A soft syringe for air sample pipetting according to claim 1, wherein: the outside of non return card (7) is equipped with accomodates couple (15), and accomodates couple (15) and establish to U type structure.

6. A soft syringe for air sample pipetting according to claim 1, wherein: the guide sleeve (4) is fixedly connected with the fixed lug (2) through clamping, and the cross section of the guide sleeve (4) is of a circular structure.