CN114272968A - Liquid detection sample storage tube - Google Patents
Liquid detection sample storage tube Download PDFInfo
- Publication number
- CN114272968A CN114272968A CN202111506793.0A CN202111506793A CN114272968A CN 114272968 A CN114272968 A CN 114272968A CN 202111506793 A CN202111506793 A CN 202111506793A CN 114272968 A CN114272968 A CN 114272968A
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- China
- Prior art keywords
- soft
- storage tube
- tube
- side wall
- groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 238000001514 detection method Methods 0.000 title abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 35
- 230000002209 hydrophobic effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 12
- 241000894006 Bacteria Species 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 210000004712 air sac Anatomy 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a liquid detection sample storage tube which comprises a storage tube, wherein fixed blocks and soft air guide tubes are alternately and spirally connected to the side wall of the upper end of the storage tube, an extrusion block is in extrusion contact with the soft air guide tubes, a valve device comprises a fixed plate, an inner tube and an outer tube, the fixed plate is fixedly connected to one end of the inner tube, soft liquid guide tubes are inserted into through holes of the inner tube and the guide tubes in a penetrating manner, one end of each soft liquid guide tube is communicated with the lower end of the side wall of the storage tube, and the outer tube is sleeved on the inner tube in a threaded manner. According to the invention, the outer cylinder in the valve device is spirally rotated on the inner cylinder, so that the side wall of one end of the outer cylinder is in extrusion contact with the soft liquid guide pipe with the fixing plate, the sealing of the soft liquid guide pipe is realized, and the primary sealing of the soft liquid guide pipe is also realized; the soft catheter is contacted by the extrusion between the second air bag and the first air bag, so that the soft catheter is ensured not to be filled with dust or infected with bacteria, and the secondary sealing of the soft catheter is realized.
Description
Technical Field
The invention relates to the technical field of laboratory detection, in particular to a liquid detection sample storage tube.
Background
Liquid detection is a common detection type in a laboratory, but liquid is stored in storage pipes when being detected, different forms of detection are performed according to detection subjects, but the existing liquid storage pipes need to extract a plurality of small samples through liquid extraction tools, so that the use of the extraction tools is increased, the economic cost of scientific research is increased, the extraction tools need to be cleaned frequently, some liquid detection storage pipes need to be opened to extract detection samples, when the liquid storage pipes are opened, dust or bacteria can enter the storage pipes to further influence the detection results of the liquid detection samples, and the existing liquid storage pipes are inconvenient for operators to operate and use.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, a storage tube needs to be divided into a plurality of small samples for detection by means of an external extraction tool, so that the cost of the tool is increased, and meanwhile, when the storage tube is opened, dust or bacteria can infect a detection sample, so that the detection result of the sample is influenced, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a liquid detection sample storage tube comprises a storage tube, wherein the side wall of the upper end of the storage tube is alternately and spirally connected with fixed blocks and soft air ducts, wherein an extrusion block is slidably clamped between two adjacent fixed blocks and is in extrusion contact with the soft air duct, one end of the soft air duct is communicated with the inner cavity at the upper end of the storage tube, the lower end of the storage tube is provided with a groove, a valve device is clamped in the groove and comprises a fixing plate, an inner cylinder and an outer cylinder, the fixing plate is fixedly connected with one end of the inner cylinder, the side wall of one end of the inner cylinder close to the fixing plate is provided with a conduit through hole, a soft liquid guide pipe is inserted in the inner cylinder and the through hole of the guide pipe, one end of the soft liquid guide pipe is communicated with the lower end of the side wall of the storage pipe, an outer barrel is sleeved on the inner barrel in a threaded manner, and a soft liquid guide pipe is extruded on the side wall of one end, close to the fixing plate, of the outer barrel.
Preferably, the storage pipe is fixedly connected with a baffle plate on the outer wall of the upper end of the groove.
Preferably, a first air bag and a second air bag are fixedly connected between the baffle and the inner wall of the groove respectively, and the end of the soft catheter is elastically extruded between the first air bag and the second air bag.
Preferably, the bottom fixed connection stopper of recess, the draw-in groove has been seted up on the inside wall of stopper, and wherein the fixed plate lower extreme joint in the valving is in the draw-in groove.
Preferably, an air inlet is formed in the side wall of the upper end of the storage pipe, a conical hopper with a through hole at the top end is fixedly connected in the air inlet, and a hydrophobic gasket is fixedly connected to the outer side wall of the through hole in the conical hopper.
Preferably, the fixing plate is cylindrical, and the diameter of the fixing plate is larger than that of the outer wall of the outer cylinder.
Preferably, the fixing plate and the inner cylinder are of an integrally formed structure.
Preferably, a limiting groove is formed in one symmetrical side wall of the fixing block, two ends of the extrusion block are clamped in the corresponding limiting grooves, and the extrusion block is cylindrical.
The liquid detection sample storage tube provided by the invention has the beneficial effects that: the valve device has the advantages that the structural design is ingenious, the operation is simple, the use is convenient, the outer cylinder in the valve device is spirally rotated on the inner cylinder, the soft liquid guide pipe is extruded and contacted between the side wall of one end of the outer cylinder and the fixing plate, the sealing of the soft liquid guide pipe is realized, and the primary sealing of the soft liquid guide pipe is also realized; the soft catheter is contacted by the extrusion between the second air bag and the first air bag, so that dust cannot enter the soft catheter, bacteria cannot be infected, the port of the soft catheter can be sealed, and the secondary sealing of the soft catheter is realized.
The first air bag is conveniently installed in a matched manner through the baffle plate, so that conditions are provided for secondary sealing; through the cone-shaped bucket and the drainage gasket on the cone-shaped bucket, liquid can be prevented from flowing back into the soft air guide pipe, and the air pressure in the soft air guide pipe can ensure that the liquid in the storage pipe flows out of the soft air guide pipe, so that the liquid can be detected efficiently.
The soft liquid guide pipe is extruded through the rotation of the extrusion block, so that the gas in the soft liquid guide pipe can impact the upper end of the inner cavity of the storage pipe, and meanwhile, the liquid can smoothly flow out of the detection instrument under the pressure of the gas.
The memotron is when using, extract soft catheter from the recess earlier, soft catheter's end is roll-off between gasbag two and gasbag one simultaneously, and carry out extrusion contact between gasbag two and the gasbag one, then take out valve device from the recess, draw-in groove on the stopper is kept away from to the fixed plate on the valve device, rotate the urceolus, make the urceolus remove to the one end of keeping away from the fixed plate, the urceolus does not contact soft catheter simultaneously and can pause rotatoryly, operating personnel can press the finger on the extrusion piece, the extrusion piece carries out the spiral rotation along the fixed block, the soft air duct of extrusion piece extrusion simultaneously, and the gas in the soft air duct strikes the hydrophobic packing ring on the toper fill, realize stretching of hydrophobic packing ring, and then strike the liquid in the memotron, liquid is under gaseous pressure effect, flow out on the detecting instrument in the soft air duct.
When need not detect the liquid and flow out, operating personnel's finger is putd aside from the extrusion piece, then rotate the urceolus, realize that the urceolus removes to the one end that is close to the fixed plate, pause when urceolus and the inseparable extrusion contact soft catheter of fixed plate, in the draw-in groove of fixed plate bottom joint on the valve device on the stopper, peg graft the end of soft catheter in the baffle again, the end of soft catheter moves along the gap between gasbag two and gasbag one simultaneously, then press soft catheter, then the sealed joint of soft catheter is between gasbag two and gasbag one.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in the present invention;
FIG. 4 is an enlarged view of the structure at B in the present invention;
FIG. 5 is an enlarged view of the structure at C in the present invention.
In the figure: the device comprises a storage tube 1, a groove 10, a limiting block 100, a clamping groove 101, a baffle 11, a second air bag 110, a first air bag 111, an air inlet 12, a conical hopper 120, a fixed block 2, a soft air duct 3, an extrusion block 4, a soft liquid guide tube 5, a valve device 6, a fixed plate 60, an inner tube 61, a guide tube through hole 610 and an outer tube 62.
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.
Referring to fig. 1-5, a liquid detection sample storage tube, includes storage tube 1, the upper end lateral wall of storage tube 1 is last to have fixed block 2 and soft air duct 3 of alternate spiral connection, and wherein the slip joint has extrusion block 4 between two adjacent fixed blocks 2, set up the spacing groove on the symmetrical lateral wall of fixed block 2, wherein the both ends joint of extrusion block 4 is in corresponding spacing inslot, the shape of extrusion block 4 is cylindric, extrudees soft catheter 5 through the rotation of extrusion block 4, and then the gaseous inner chamber upper end that can assault storage tube 1 of soft catheter 5, and liquid can be smooth under gaseous pressure on the detecting instrument simultaneously.
The extrusion block 4 is in extrusion contact with the soft air duct 3, one end of the soft air duct 3 is communicated with the inner cavity at the upper end of the storage tube 1, the lower end of the storage tube 1 is provided with a groove 10, a valve device 6 is clamped in the groove 10, the valve device 6 comprises a fixing plate 60, an inner cylinder 61 and an outer cylinder 62, wherein the fixing plate 60 is fixedly connected with one end of the inner cylinder 61, the fixing plate 60 is cylindrical, and the diameter of the fixing plate 60 is larger than that of the outer wall of the outer cylinder 62, the fixing plate 60 and the inner cylinder 61 are of an integrally formed structure, the inner cylinder 61 is provided with a duct through hole 610 on the side wall of one end near the fixing plate 60, a soft catheter 5 is inserted into the inner cylinder 61 and the catheter through hole 610, one end of the soft catheter 5 is communicated with the lower end of the side wall of the storage tube 1, the inner cylinder 61 is in threaded sleeve connection with an outer cylinder 62, and the outer cylinder 62 extrudes the soft catheter 5 at the side wall of one end close to the fixing plate 60.
The storage tube 1 is fixedly connected with a baffle 11 on the outer wall of the upper end of the groove 10, a first air bag 111 and a second air bag 110 are respectively fixedly connected between the baffle 11 and the inner wall of the groove 10, the end of the soft catheter 5 is elastically extruded between the first air bag 111 and the second air bag 110, and the first air bag 111 is conveniently installed in a matched mode through the baffle 11, so that conditions are provided for secondary sealing.
The bottom fixed connection stopper 100 of recess 10, draw-in groove 101 has been seted up on the inside wall of stopper 100, and wherein the fixed plate 60 lower extreme joint in valve device 6 is in draw-in groove 101, through draw-in groove 101, the fixed plate 60 on the fixed valve device 6 of being convenient for, and then conveniently stabilizes valve device 6 in recess 10.
The upper end lateral wall of the storage tube 1 is provided with an air inlet 12, the top end of the air inlet 12 is fixedly connected with a conical hopper 120 with a through hole, the outer side wall of the through hole on the conical hopper 120 is fixedly connected with a hydrophobic gasket, the liquid can be prevented from flowing back into the soft air duct 3 through the conical hopper 120 and the hydrophobic gasket on the conical hopper 120, the air pressure in the soft air duct 3 can be ensured to realize the liquid in the storage tube 1 to flow out of the soft liquid guide tube 5, and therefore the liquid can be detected efficiently.
The invention has smart structural design, simple operation and convenient use, realizes the extrusion contact between the side wall of one end of the outer cylinder 62 and the fixing plate 60 by the spiral rotation of the outer cylinder 62 in the valve device 6 on the inner cylinder 61 to realize the sealing of the soft liquid guide tube 5 and the primary sealing of the soft liquid guide tube 5; the soft catheter 5 is contacted by the extrusion between the second air bag 110 and the first air bag 111, so that the soft catheter 5 is ensured not to have dust entering and bacteria infection, meanwhile, the port of the soft catheter 5 can be sealed, and further the secondary sealing of the soft catheter 5 is realized.
The working principle is as follows: when the storage tube 1 is used, the soft catheter 5 is firstly pulled out from the groove 10, meanwhile, the end of the soft catheter 5 slides out between the second air sac 110 and the first air sac 111, the second air sac 110 and the first air sac 111 are in pressing contact, then the valve device 6 is taken out from the groove 10, the fixing plate 60 on the valve device 6 is far away from the clamping groove 101 on the limiting block 100, the outer cylinder 62 is rotated, so that the outer cylinder 62 moves to the end far away from the fixing plate 60, meanwhile, the outer cylinder 62 can pause rotating without contacting the soft liquid guide tube 5, an operator can press a finger on the extrusion block 4, the extrusion block 4 rotates spirally along the fixed block 2, the extrusion block 4 extrudes the soft gas guide tube 3, and the gas in the soft gas-guide tube 3 impacts the hydrophobic gasket on the conical hopper 120 to realize the stretching of the hydrophobic gasket, then the liquid in the storage tube 1 is impacted, and the liquid flows out from the soft liquid guide tube 5 to the detecting instrument under the pressure of the gas.
When the liquid outflow does not need to be detected, the fingers of the operator move away from the extrusion block 4, then the outer cylinder 62 is rotated, the outer cylinder 62 moves towards one end close to the fixing plate 60, the movement is suspended until the outer cylinder 62 and the fixing plate 60 are tightly extruded and contacted with the soft liquid guide tube 5, the bottom end of the fixing plate 60 on the valve device 6 is clamped in the clamping groove 101 on the limiting block 100, the end of the soft liquid guide tube 5 is inserted in the baffle 11, meanwhile, the end of the soft liquid guide tube 5 moves along the gap between the air bag II 110 and the air bag I111, then the soft liquid guide tube 5 is pressed down, and the soft liquid guide tube 5 is clamped between the air bag II 110 and the air bag I111 in a sealing mode.
It will be evident to those skilled in the art that the invention 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 invention 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 (8)
1. A liquid test sample storage tube, comprising a storage tube (1), characterized in that: the device is characterized in that fixed blocks (2) and soft air ducts (3) are alternately and spirally connected to the side wall of the upper end of the storage tube (1), wherein an extrusion block (4) is connected between two adjacent fixed blocks (2) in a sliding clamping manner, the extrusion block (4) is in extrusion contact with the soft air ducts (3), one end of each soft air duct (3) is communicated with the inner cavity of the upper end of the storage tube (1), a groove (10) is formed in the lower end of the storage tube (1), a valve device (6) is connected in the groove (10) in a clamping manner, the valve device (6) comprises a fixed plate (60), an inner tube (61) and an outer tube (62), the fixed plate (60) is fixedly connected to one end of the inner tube (61), a conduit through hole (610) is formed in the side wall of one end, close to the fixed plate (60), of the inner tube (61) and a soft liquid guide tube (5) is inserted into the conduit through hole (610), one end of the soft liquid guide pipe (5) is communicated with the lower end of the side wall of the storage pipe (1), the inner cylinder (61) is in threaded sleeve connection with the outer cylinder (62), and the outer cylinder (62) extrudes the soft liquid guide pipe (5) on the side wall of one end close to the fixing plate (60).
2. A liquid test sample storage tube as defined in claim 1, wherein: the storage tube (1) is fixedly connected with a baffle (11) on the outer wall of the upper end of the groove (10).
3. A liquid test sample storage tube as defined in claim 2, wherein: and a first air bag (111) and a second air bag (110) are fixedly connected between the baffle plate (11) and the inner wall of the groove (10), wherein the end of the soft catheter (5) is elastically extruded between the first air bag (111) and the second air bag (110).
4. A liquid test sample storage tube as defined in claim 1, wherein: the bottom fixed connection stopper (100) of recess (10), draw-in groove (101) have been seted up on the inside wall of stopper (100), and wherein fixed plate (60) lower extreme joint in valving (6) is in draw-in groove (101).
5. A liquid test sample storage tube as defined in claim 1, wherein: an air inlet (12) is formed in the side wall of the upper end of the storage tube (1), a conical hopper (120) with a through hole at the top end is fixedly connected in the air inlet (12), and a hydrophobic gasket is fixedly connected to the outer side wall of the through hole in the conical hopper (120).
6. A liquid test sample storage tube as defined in claim 1, wherein: the fixing plate (60) is cylindrical, and the diameter of the fixing plate (60) is larger than that of the outer wall of the outer cylinder (62).
7. A liquid test sample storage tube as defined in claim 1, wherein: the fixing plate (60) and the inner cylinder (61) are of an integrally formed structure.
8. A liquid test sample storage tube as defined in claim 1, wherein: the limiting groove is formed in one symmetrical side wall of the fixing block (2), two ends of the extrusion block (4) are clamped in the corresponding limiting grooves, and the extrusion block (4) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506793.0A CN114272968A (en) | 2021-12-10 | 2021-12-10 | Liquid detection sample storage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506793.0A CN114272968A (en) | 2021-12-10 | 2021-12-10 | Liquid detection sample storage tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114272968A true CN114272968A (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111506793.0A Pending CN114272968A (en) | 2021-12-10 | 2021-12-10 | Liquid detection sample storage tube |
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| CN (1) | CN114272968A (en) |
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| CN210720308U (en) * | 2019-09-25 | 2020-06-09 | 河北农业大学 | Dedicated experiment burette device in pharmacy engineering synthesis laboratory |
| CN211337036U (en) * | 2019-12-16 | 2020-08-25 | 深圳市东亿健康服务有限公司 | DNA sample storage tube |
| EP3766955A1 (en) * | 2018-03-13 | 2021-01-20 | Wuhan Edebio Technology LLC | Nucleic acid extraction system |
| CN214159654U (en) * | 2020-10-11 | 2021-09-10 | 成都康杰医疗器材有限公司 | Sample bottle for drug analysis and detection |
| CN113389913A (en) * | 2021-06-01 | 2021-09-14 | 芜湖宏达橡塑阀门制造有限公司 | Air bag valve |
-
2021
- 2021-12-10 CN CN202111506793.0A patent/CN114272968A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000283362A (en) * | 1999-03-31 | 2000-10-13 | Tokai Rubber Ind Ltd | Hose joint and manufacture thereof |
| US20050148091A1 (en) * | 1999-08-11 | 2005-07-07 | Asahi Kasei Kabushiki Kaisha | Analyzing cartridge and liquid feed control device |
| US20020098121A1 (en) * | 2001-01-22 | 2002-07-25 | Astle Thomas W. | Apparatus for automated magnetic separation of materials in laboratory trays |
| US20060110286A1 (en) * | 2004-11-22 | 2006-05-25 | Alex Boukas | Protein detecting device |
| EP2597044A1 (en) * | 2011-11-25 | 2013-05-29 | Hoffmann Neopac AG | Drop-dispensing insert and container with a drop-dispensing insert |
| US20140352455A1 (en) * | 2012-01-20 | 2014-12-04 | Bühlmann Laboratories Ag | Sample extracting, diluting and discharging device |
| US20180126373A1 (en) * | 2015-11-22 | 2018-05-10 | Invidx Corp. | Disposable cartridge |
| JP2018114618A (en) * | 2017-01-16 | 2018-07-26 | 三菱エンジニアリングプラスチックス株式会社 | Method of supplying liquid additive to extruder |
| EP3766955A1 (en) * | 2018-03-13 | 2021-01-20 | Wuhan Edebio Technology LLC | Nucleic acid extraction system |
| CN210720308U (en) * | 2019-09-25 | 2020-06-09 | 河北农业大学 | Dedicated experiment burette device in pharmacy engineering synthesis laboratory |
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| CN113389913A (en) * | 2021-06-01 | 2021-09-14 | 芜湖宏达橡塑阀门制造有限公司 | Air bag valve |
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Application publication date: 20220405 |