CN215783470U

CN215783470U - A centrifuging tube for detecting have volatile materials

Info

Publication number: CN215783470U
Application number: CN202122499974.7U
Authority: CN
Inventors: 黄桂瑶; 彭兴; 李琰
Original assignee: Shenzhen Maitu Precision Technology Co ltd
Current assignee: Metanotitia Inc
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-02-11
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of centrifuge tubes, in particular to a centrifuge tube for detecting volatile substances, which comprises a centrifuge tube body, wherein a tube wall structure is fixed on the centrifuge tube body, the tube wall structure is connected with a fixed structure, an anti-volatilization structure is arranged between the tube wall structure and the fixed structure, the anti-volatilization structure comprises a second ring, the centrifuge tube body is provided with the second ring in a matching way, the second ring is wrapped with an air-tight spacer, and the air-tight spacer is abutted against the tube wall structure; through being connected fixed knot structure and pipe wall structure, and then be convenient for fix the gas tightness septum, and then when advancing injection needle or sampling needle and pass the operation of gas tightness septum, can directly add solution and absorb sample solution, and the centrifugation body keeps airtight state in the operation process, is favorable to solving the unexpected drippage of remaining liquid and the volatile problem of solvent.

Description

A centrifuging tube for detecting have volatile materials

Technical Field

The utility model relates to a centrifugal tube, in particular to a centrifugal tube for detecting volatile substances, and belongs to the technical field of centrifugal tubes.

Background

The centrifugal tube is a tubular sample container and can be provided with a sealing cover or a gland. The chromatograph-mass spectrometer is an important detection means in various scientific fields, such as metabonomics. In the process of sample detection, operators usually need to use a centrifugal tube to detect volatile substances.

However, although there is a sample loading vial with good air tightness in the current sample detection, a common centrifuge tube is generally used in the sample processing process, and volatile substances may cause loss in the process of opening and closing the cover and may introduce contamination; in addition, the sample is transferred to a loading vial after being processed in a common centrifuge tube, which further increases the risk of loss of volatile substances.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above problems, and an object of the present invention is to provide a centrifugal tube for detecting volatile substances, in which a fixing structure is connected to a tube wall structure, so as to fix an airtight spacer, and further, when a sample injection needle or a sampling needle passes through the airtight spacer, the sample injection needle or the sampling needle can directly add a solution and suck a sample solution, and a centrifugal tube body is kept in a sealed state during operation, so as to solve the problems of accidental dropping of residual liquid and volatilization of a solvent.

The centrifugal tube comprises a centrifugal tube body, a tube wall structure is fixed on the centrifugal tube body, a fixing structure is connected onto the tube wall structure, an anti-volatilization structure is arranged between the tube wall structure and the fixing structure and comprises a second ring, the centrifugal tube body is provided with the second ring in a matched mode, the second ring is wrapped with an air-tight spacer, and the air-tight spacer is abutted against the tube wall structure.

Preferably, the pipe wall structure comprises a first circular ring, the airtight spacer is abutted with the first circular ring, and the first circular ring is fixedly connected with the centrifugal pipe body.

Preferably, the centrifugal pipe body is fixedly provided with a spring piece, and the inner diameter of the section of the first circular ring is smaller than that of the section of the second circular ring.

Preferably, the fixed knot constructs including the snap ring, be connected with the snap ring on the shell fragment, the snap ring is contradicted with the gas tightness spacer.

Preferably, the snap ring is provided with a groove, and the elastic sheet is connected with the groove in a matching manner.

Preferably, the inner diameter of the cross section of the first circular ring is equal to that of the cross section of the snap ring, and the inner diameter of the cross section of the snap ring is smaller than that of the cross section of the second circular ring.

Preferably, the centrifugal pipe body is provided with a connecting piece, and only two sides beside the connecting piece are connected with the centrifugal pipe body in a matching manner.

Preferably, the centrifugal pipe body is connected with the bottle cap structure in a matched mode through the connecting piece, the bottle cap structure comprises a first bottle cap end and a second bottle cap end, the first bottle cap end is fixedly connected with the second bottle cap end, and the second bottle cap end is fixedly connected with the connecting piece.

Preferably, fixedly connected with sealing ring is held to bottle lid first end and bottle lid second, the inside activity embedding on centrifugal tube body top has the sealing ring, be equipped with the scale mark on the centrifugal tube body.

The utility model has the beneficial effects that: when using the centrifuging tube to detect volatile substance, through being connected fixed knot structure and tube wall structure cooperation, and then be convenient for fix the gas tightness septum, and then make second ring and tube wall structure be connected, and then make operating personnel pass the gas tightness septum when operating at syringe or sample needle, can directly add solution and absorb sample solution, and the centrifugation body keeps airtight state in the operation process, is favorable to solving the problem of remaining the unexpected drippage of liquid and solvent is volatile.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the connecting member and the centrifugal tube according to the present invention;

FIG. 3 is an enlarged view of the part A shown in FIG. 2;

FIG. 4 is a schematic view of a snap ring and a groove according to the present invention;

FIG. 5 is a schematic view of a connection structure of a second ring and an airtight spacer according to the present invention.

In the figure: 1. a bottle cap structure; 11. a first end of the bottle cap; 12. a second end of the bottle cap; 2. a seal ring; 3. a connecting member; 4. a tube wall structure; 41. a first circular ring; 42. a spring plate; 5. scale lines; 6. centrifuging the tube body; 7. an anti-volatilization structure; 71. a second circular ring; 72. an airtight spacer; 8. a fixed structure; 81. a groove; 82. a snap ring.

Detailed Description

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.

Referring to fig. 1-5, a centrifugal tube for detecting volatile substances includes a centrifugal tube body 6, a tube wall structure 4 is fixed on the centrifugal tube body 6, a fixing structure 8 is connected to the tube wall structure 4, an anti-volatilization structure 7 is installed between the tube wall structure 4 and the fixing structure 8, the anti-volatilization structure 7 includes a second ring 71, the centrifugal tube body 6 is cooperatively provided with the second ring 71, the second ring 71 is wrapped with an airtight spacer 72, and the airtight spacer 72 is abutted against the tube wall structure 4.

As a technical optimization scheme of the present invention, the tube wall structure 4 includes a first circular ring 41, the air-tight spacer 72 is abutted against the first circular ring 41, the first circular ring 41 is fixedly connected with the centrifugal tube body 6, and the air-tight spacer 72 is placed on the first circular ring 41 and is in close contact with the tube wall of the centrifugal tube, so as to ensure the sealing effect in the centrifugal tube body 6.

As a technical optimization scheme of the present invention, the centrifugal tube body 6 is fixedly provided with the elastic sheet 42, the inner diameter of the cross section of the first circular ring 41 is smaller than the inner diameter of the cross section of the second circular ring 71, and the elastic sheet 42 is arranged to facilitate abutting against the snap ring 82, so that the snap ring is more attached to the airtight spacer 72.

As a technical optimization scheme of the present invention, the fixing structure 8 includes a snap ring 82, the snap ring 82 is connected to the elastic sheet 42, the snap ring 82 abuts against the airtight spacer 72, and when the elastic sheet 42 abuts against the snap ring 82, the airtight spacer 72 can be abutted.

As a technical optimization scheme of the utility model, the clamping ring 82 is provided with the groove 81, the elastic sheet 42 is in fit connection with the groove 81, and the groove 81 is in fit connection with the elastic sheet 42, so that volatilization of volatile substances can be effectively reduced, and accidental leakage of a biological sample can be prevented.

As a technical optimization scheme of the present invention, the inner diameter of the cross section of the first circular ring 41 is equal to the inner diameter of the cross section of the snap ring 82, and the inner diameter of the cross section of the snap ring 82 is smaller than the inner diameter of the cross section of the second circular ring 71, so that an operator can directly add a solution and suck a sample solution when a sample injection needle or a sampling needle passes through the airtight spacer 72 for operation.

As a technical optimization scheme of the utility model, the connecting piece 3 is arranged on the centrifugal pipe body 6, two sides of the side of the connecting piece 3 are matched and connected with the centrifugal pipe body 6, and two sides of the side of the connecting piece 3 are connected with the centrifugal pipe body 6, so that the pollution can be effectively avoided during the experiment, and meanwhile, the connecting piece can be used for an automatic derivatization experiment.

As a technical optimization scheme of the utility model, the centrifugal tube body 6 is connected with the bottle cap structure 1 in a matching manner through the connecting piece 3, the bottle cap structure 1 comprises a bottle cap first end 11 and a bottle cap second end 12, the bottle cap second end 12 is fixedly connected to the bottle cap first end 11, the bottle cap second end 12 is fixedly connected with the connecting piece 3, the bottle cap first end 11 is a part with a plurality of tube outlets, so that the bottle cap is convenient to open, and the bottle cap second end 12 is a longer part of the end part of the bottle cap, so that the pollution caused by the fact that the bottle cap is contacted with the bottle cap during the experimental opening is prevented.

As a technical optimization scheme of the utility model, the first end 11 and the second end 12 of the bottle cap are fixedly connected with the sealing rings 2, the sealing rings 2 are movably embedded in the top end of the centrifugal tube body 6, the centrifugal tube body 6 is provided with scale marks 5, and the sealing rings 2 are abutted against the inner wall of the top end of the centrifugal tube body 6 during rotation, so that the sealing effect in the centrifugal tube body 6 is improved conveniently.

When the centrifugal tube is used, firstly, when an operator needs to use the centrifugal tube, the first end 11 of the bottle cap can be pinched by hands, so that the cover can be opened conveniently; then, when the bottle cap rotates, the second end 12 of the bottle cap rotates, and the sealing ring 2 is further separated from the top end of the centrifugal pipe body 6; the bottle cap second tank 12 is connected with the connecting piece 3 in a matching way, and only two sides beside the connecting piece 3 are connected with the centrifugal pipe body 6 in a matching way, so that the pollution can be effectively avoided during the experiment, and the bottle cap second tank can be used for an automatic derivatization experiment; the first circular ring 41 is fixedly connected with the centrifugal tube body 6, the elastic sheet 42 is fixed on the centrifugal tube body 6, an operator can install the clamping ring 82 into the centrifugal tube body 6, the clamping ring 82 is further connected with the elastic sheet 42 when moving, the elastic sheet 42 is further connected with the groove 81 formed in the clamping ring 82, volatilization of volatile substances can be effectively reduced, and meanwhile, accidental leakage accidents of biological samples can be prevented; snap ring 82 contradicts with gas tightness spacer 72, second ring 71 is installed inside centrifugal tube body 6, and the parcel has gas tightness spacer 72 on the second ring 71, use the centrifuging tube to detect volatile substance time measuring, make operating personnel pass gas tightness spacer 72 when operating at injection needle or sampling needle, and then be convenient for to detecting the inside direct solution of adding of centrifuging tube and absorbing sample solution, and gas tightness spacer 72 has elasticity, can make centrifugal tube body 6 keep airtight state in operation process, be favorable to solving the problem of remaining the unexpected drippage of liquid and solvent volatilization.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A centrifuge tube for detecting substances having a volatile substance, comprising a centrifuge tube body (6), characterized in that: be fixed with tubular structure (4) on centrifugal tube body (6), be connected with fixed knot on tubular structure (4) and construct (8), install between tubular structure (4) and fixed knot structure (8) and prevent volatilizing structure (7), prevent volatilizing structure (7) and include second ring (71), second ring (71) are installed in the cooperation on centrifugal tube body (6), the parcel has gas tightness dottle pin (72) on second ring (71), gas tightness dottle pin (72) contradict with tubular structure (4).

2. The centrifuge tube for detecting volatile substances according to claim 1, wherein: the pipe wall structure (4) comprises a first circular ring (41), the air-tightness spacer (72) is abutted with the first circular ring (41), and the first circular ring (41) is fixedly connected with the centrifugal pipe body (6).

3. The centrifuge tube for detecting volatile substances according to claim 2, wherein: the centrifugal pipe body (6) is fixedly provided with an elastic sheet (42), and the inner diameter of the section of the first circular ring (41) is smaller than that of the section of the second circular ring (71).

4. The centrifuge tube of claim 3, wherein the tube comprises: fixed knot constructs (8) and includes snap ring (82), be connected with snap ring (82) on shell fragment (42), snap ring (82) contradict with gas tightness shock insulator (72).

5. The centrifuge tube of claim 4, wherein the centrifuge tube comprises: a groove (81) is formed in the clamping ring (82), and the elastic sheet (42) is connected with the groove (81) in a matched mode.

6. The centrifuge tube of claim 5, wherein the tube comprises: the inner diameter of the section of the first circular ring (41) is equal to that of the section of the clamping ring (82), and the inner diameter of the section of the clamping ring (82) is smaller than that of the section of the second circular ring (71).

7. The centrifuge tube for detecting volatile substances according to claim 1, wherein: the centrifugal pipe body (6) is provided with a connecting piece (3), and only two sides of the connecting piece (3) are matched and connected with the centrifugal pipe body (6).

8. The centrifuge tube of claim 7, wherein the centrifuge tube comprises: centrifugal tube body (6) are connected with bottle lid structure (1) cooperation through connecting piece (3), bottle lid structure (1) is including bottle lid first end (11) and bottle lid second end (12), fixedly connected with bottle lid second end (12) on bottle lid first end (11), fixed connection between bottle lid second end (12) and connecting piece (3).

9. The centrifuge tube for detecting volatile substances according to claim 8, wherein: fixedly connected with sealing ring (2) on bottle lid first end (11) and bottle lid second end (12), the inside activity embedding on centrifugal tube body (6) top has sealing ring (2), be equipped with scale mark (5) on the centrifugal tube body (6).