CN214974114U

CN214974114U - Quantitative dripping extraction tube

Info

Publication number: CN214974114U
Application number: CN202121352679.2U
Authority: CN
Inventors: 陈亚萍; 王燕; 杨建东; 马荣华
Original assignee: Jiangsu Kehua Medical Instrument Technology Co ltd; Beijing Genesee Biological Technology Co ltd
Current assignee: Jiangsu Kehua Medical Instrument Technology Co ltd; Beijing Genesee Biological Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-03
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a quantitative dripping extraction tube, which comprises a dripper and a tube body; carry out brand-new structural design with traditional structure, transverse connection crown plate has been installed in the outside all around in the middle of the drain pipe of water dropper, then connect the upper end of grafting crown plate all around in the lower extreme of transverse connection crown plate, so formed the grafting crown plate, the annular that the drain pipe encloses is deposited liquid cavity, so when the body extrusion discharge liquid is invertd to needs, partial liquid is at first filled downwards in the annular is deposited liquid cavity, then the extrusion body again, make the liquid in the body discharge from the drain pipe, and fill partial liquid that deposits liquid cavity in the annular and be unable from the drain pipe exhaust, so just injectd the inside exhaust liquid volume of body, thereby reach the purpose that accurate discharge detected liquid, the utility model discloses structural design is exquisite, can quantitative discharge liquid volume, the operation is convenient.

Description

Quantitative dripping extraction tube

Technical Field

The utility model belongs to the technical field of the extraction tube, concretely relates to ration drips extraction tube.

Background

The extraction tube is a device of extruding liquid from the body is inside, use amount is very big in the aspect of medical science detects very much, it is essential medical device to the detection of virus very much, for example, to the detection of novel coronavirus, present extraction tube generally includes body and water dropper, the upper end opening part grafting water dropper of body, be equipped with the passageway pipe that is used for liquid extrusion exhaust on the water dropper, when in-service use, the inside reagent that generally pours into of body, then wait to detect that the sample is sent into in the reagent of body with the collection, then realize sealing connection with the upper end that the water dropper inserted the body, then invert the body, the inside reagent that has added the sample of body extrudees out from the passageway pipe of water dropper with the extrusion hard.

However, in the actual detection process, the liquid amount extruded generally has the specific strict limitation of volume, 120 to 150 microliters of liquid needs to be extruded in proportion when detecting novel coronavirus, if the extrusion is too little or excessive, the detection fails, and in the actual use process, the force for extruding the pipe body is not well controlled, so that the liquid amount extruded from the dripper often exceeds the range value to cause the detection failure, the sample needs to be collected again and detected, thus, the inconvenience is brought to the actual detection work, and the defects of low detection efficiency, inconvenience in operation, detection failure and the like often appear.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model discloses the technical scheme who takes as follows:

a quantitative dripping extraction tube comprises a dripper and a tube body; the pipe body is of a structure with a closed lower end and periphery and an open upper end; the dripper comprises a liquid outlet pipe, a transverse connecting ring plate and an inserting ring body; the liquid outlet pipe is of a hollow structure with openings at two ends; the outer sides of the periphery of the middle of the liquid outlet pipe are provided with transverse connecting ring plates; the periphery of the upper end of the splicing ring body is connected to the periphery of the lower end of the transverse connecting ring plate; the insertion ring body, the transverse connecting ring plate and the liquid outlet pipe enclose an annular liquid storage cavity; the inserting ring body is inserted and connected to the upper end of the pipe body; the periphery of the insertion ring body is in sealing butt joint with the periphery of the upper end of the pipe body.

Furthermore, the lower end of the liquid outlet pipe is flush with the lower end of the plug ring body.

Furthermore, the lower end of the liquid outlet pipe is positioned above the lower end of the plug ring body.

Furthermore, the lower end of the liquid outlet pipe is positioned below the lower end of the plug ring body.

Furthermore, the insertion ring body is inserted into the upper end of the pipe body; the outer sides of the periphery of the inserting ring body are in sealing butt joint with the periphery of the inner part of the upper end of the pipe body.

Furthermore, a plurality of sealing ring bodies distributed from top to bottom are arranged on the periphery inside the upper end of the pipe body; the sealing ring body is abutted against the outer sides of the periphery of the inserting ring body.

Further, a connecting belt is arranged between one side of the transverse connecting ring plate and one side of the outer part of the upper end of the pipe body.

Further, the outer sides of the periphery of the upper end of the pipe body are provided with lower abutting ring bodies; the outer sides of the periphery of the transverse connecting ring plate are provided with upper abutting ring bodies; the upper abutting ring body on the outer side of the periphery of the transverse connecting ring plate abuts against the upper side of the lower abutting ring body on the outer side of the periphery of the upper end of the pipe body.

Furthermore, the sections of the inserting ring body and the liquid outlet pipe are both in circular ring structures.

Further, the annular liquid storage cavity is of a circular ring structure.

Further, the liquid outlet pipe and the annular liquid storage cavity are coaxially distributed.

The beneficial effects of the utility model

The utility model discloses carried out brand-new structural design with traditional structure, transverse connection ring board has been installed in the outside all around in the middle of the drain pipe of water dropper, then connect the upper end of the ring body of will pegging graft all around in the lower extreme of transverse connection ring board, so formed the grafting ring body, transverse connection ring board, the liquid cavity is deposited to the annular that the drain pipe encloses, so when the body extrusion discharge liquid is invertd to needs, partial liquid is at first filled downwards in the liquid cavity is deposited to the annular, then extrude the body again, make the liquid of internal pipe discharge from the drain pipe, and the partial liquid of filling in the liquid cavity is unable from the drain pipe exhaust, so just inject the inside exhaust liquid volume of body, thereby reach the purpose that accurate discharge detected liquid, the utility model discloses structural design is exquisite, can quantitative discharge liquid volume, and convenient for operation.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic view of the split structure of the present invention.

Fig. 3 is a schematic cross-sectional view of the annular liquid storage cavity of the present invention.

Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 5 is a schematic structural diagram of embodiment 3 of the present invention.

Fig. 6 is a schematic structural view of the present invention for increasing the connection band.

In the figure: 1. a dripper; 11. a liquid outlet pipe; 12. transversely connecting the ring plates; 121. an abutment ring body; 13. a plug ring body; 14. a liquid storage cavity; 2. a pipe body; 21. a sealing ring body; 22. an abutment ring body; 3. and a connecting belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 3, a quantitative drip extraction tube includes a dripper 1 and a pipe body 2; the tube body 2 is of a structure with a closed lower end, a closed periphery and an open upper end, the tube body 2 can be made of soft plastics, and the tube body can be of a conical structure with a large upper part and a small lower part; the dripper 1 comprises a liquid outlet pipe 11, a transverse connecting ring plate 12 and an inserting ring body 13; the liquid outlet pipe 11 is of a hollow structure with two open ends; the outer sides of the periphery of the middle of the liquid outlet pipe 11 are provided with transverse connecting ring plates 12; the periphery of the upper end of the splicing ring body 13 is connected to the periphery of the lower end of the transverse connecting ring plate 12; an annular liquid storage cavity 14 is defined by the splicing ring body 13, the transverse connecting ring plate 12 and the liquid outlet pipe 11; the inserting ring body 13 is inserted and connected to the upper end of the pipe body 2; the periphery of the insertion ring body 13 is in sealing butt joint with the periphery of the upper end of the pipe body 2. Further preferably, the lower end of the liquid outlet pipe 11 is flush with the lower end of the insertion ring body 13.

As shown in fig. 1 and 2, further, the insertion ring body 13 is inserted into and connected to the inside of the upper end of the pipe body 2; the outer sides of the periphery of the insertion ring body 13 are in sealing butt joint with the periphery of the inner part of the upper end of the pipe body 2, and in order to improve the sealing performance between the pipe body 2 and the insertion ring body 13, preferably, a plurality of sealing ring bodies 21 distributed from top to bottom are arranged on the periphery of the inner part of the upper end of the pipe body 2; the sealing ring body 21 abuts against the outer side of the periphery of the inserting ring body 13, and the sealing ring body 21 can be made of soft plastics.

As shown in fig. 6, in order to improve the integration of the dripper and pipe connection, it is further preferable that a connection band 3 is provided between one side of the lateral connection ring plate 12 and the outer side of the upper end of the pipe 2.

As shown in fig. 1 and 2, in order to improve the convenience of insertion between the insertion ring body 13 and the pipe body 2 and to limit the position, it is further preferable that a lower abutment ring body 22 is provided on the outer side of the periphery of the upper end of the pipe body 2; the outer sides of the periphery of the transverse connecting ring plate 12 are provided with upper abutting ring bodies 121; the last butt ring body 121 butt in the lateral connection ring board 12 outside all around is in the upside of the lower butt ring body 22 in body 2 upper end outside all around, so when inserting grafting ring body 13 from the upper end of body 2, insert grafting ring body 13 very direct convenient hard, until last butt ring body 121 butt in the upside of butt ring body 22 down can, the operation is convenient, insert from the upper end of body 2 at grafting ring body 13 simultaneously and play spacing effect. As shown in fig. 3, the cross-sections of the plug ring 13 and the liquid outlet pipe 11 are circular ring structures. Further, the annular liquid storage cavity 14 is of a circular ring structure. Further, the liquid outlet pipe 11 and the annular liquid storage cavity 14 are coaxially distributed.

Example 2

This embodiment is different from embodiment 1 in that the lower end of the liquid outlet pipe 11 and the lower end of the plug ring body 13 are different in height positions, as shown in fig. 4, the lower end of the liquid outlet pipe 11 is located above the lower end of the plug ring body 13, so that compared with embodiment 1, since the lower end of the liquid outlet pipe 11 is located above the lower end of the plug ring body 13, the annular volume of the annular liquid storage cavity 14 is reduced, and thus the volume amount of liquid squeezed and discharged is increased compared with embodiment 1.

Example 3

Referring to embodiment 1, the difference of this embodiment is that the height positions of the lower end of the liquid outlet pipe 11 and the lower end of the plug ring body 13 are different, as shown in fig. 5, the lower end of the liquid outlet pipe 11 is located below the lower end of the plug ring body 13, so compared with embodiment 1, because the lower end of the liquid outlet pipe 11 is located below the lower end of the plug ring body 13, and because the lower end of the liquid outlet pipe 11 extends below the annular liquid storage cavity 14, an extended liquid storage cavity 15 extending out is formed between the lower end of the liquid outlet pipe 11 and the inner wall of the pipe body, so that the annular liquid storage cavity 14 and the extended liquid storage cavity 15 can store more liquid volume, and thus the volume of the pressure discharged by extrusion is reduced compared with embodiment 1.

The utility model discloses an adjust the volume of extrusion exhaust liquid, can distinguish from the difference of the high position of drain pipe 11 lower extreme and grafting ring body 13 lower extreme, discharge volume demand according to the difference selects, also can adjust the selection through the internal diameter size that liquid cavity 14 was deposited to the change annular in addition, can thicken or reduce the thickness that drain pipe 11 extended to the outside, or thicken or reduce the thickness that grafting ring body 13 inboard extended to the inboard all around, so can change the annular volume's that liquid cavity 14 was deposited to the annular space size, in the actual production process, technical personnel in the field can select according to actual demand, above-mentioned selection all falls into within the protection range of the utility model.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quantitative dripping extraction tube is characterized by comprising a dripper and a tube body; the pipe body is of a structure with a closed lower end and periphery and an open upper end; the dripper comprises a liquid outlet pipe, a transverse connecting ring plate and an inserting ring body; the liquid outlet pipe is of a hollow structure with openings at two ends; the outer sides of the periphery of the middle of the liquid outlet pipe are provided with transverse connecting ring plates; the periphery of the upper end of the splicing ring body is connected to the periphery of the lower end of the transverse connecting ring plate; the insertion ring body, the transverse connecting ring plate and the liquid outlet pipe enclose an annular liquid storage cavity; the inserting ring body is inserted and connected to the upper end of the pipe body; the periphery of the insertion ring body is in sealing butt joint with the periphery of the upper end of the pipe body.

2. The metered drop extraction tube of claim 1, wherein the lower end of the exit tube is flush with the lower end of the plug ring body.

3. The metered drop extraction tube of claim 1, wherein the lower end of the exit tube is positioned above the lower end of the plug ring body.

4. The metered drop extraction tube of claim 1, wherein the lower end of the exit tube is positioned below the lower end of the plug ring body.

5. The extraction tube of any one of claims 1 to 4, wherein the plug ring is inserted into and connected to the inside of the upper end of the tube body; the outer sides of the periphery of the inserting ring body are in sealing butt joint with the periphery of the inner part of the upper end of the pipe body.

6. The extraction tube of claim 5, wherein the tube body has a plurality of sealing rings distributed from top to bottom around the inside of the upper end; the sealing ring body is abutted against the outer sides of the periphery of the inserting ring body.

7. The quantitative drip extraction tube according to any one of claims 1 to 4, wherein a connecting band is provided between one side of the lateral connecting ring plate and an outer side of the upper end of the tube body.

8. The extraction tube as claimed in any one of claims 1 to 4, wherein the tube body has a lower abutment ring around the outer side of the upper end; the outer sides of the periphery of the transverse connecting ring plate are provided with upper abutting ring bodies; the upper abutting ring body on the outer side of the periphery of the transverse connecting ring plate abuts against the upper side of the lower abutting ring body on the outer side of the periphery of the upper end of the pipe body.

9. The extraction tube of any one of claims 1 to 4, wherein the plug ring and the outlet tube are both circular in cross-section; the annular liquid storage cavity is of a circular ring structure.

10. The tube of any one of claims 1-4, wherein the liquid outlet tube and the annular liquid storage cavity are concentrically arranged.