CN108535051B - Liquid centrifuging tube is got to body activity centre gripping formula - Google Patents
Liquid centrifuging tube is got to body activity centre gripping formula Download PDFInfo
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- CN108535051B CN108535051B CN201810275519.9A CN201810275519A CN108535051B CN 108535051 B CN108535051 B CN 108535051B CN 201810275519 A CN201810275519 A CN 201810275519A CN 108535051 B CN108535051 B CN 108535051B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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Abstract
The invention discloses a tube body movable clamping type liquid taking centrifugal tube which comprises a liquid storage tank, an upper cover body, a liquid taking tube, a lifting mechanism, an installation block and a telescopic bag, wherein the liquid storage tank is arranged on the upper cover body; the upper cover body is arranged at the upper end of the liquid storage tank; one side of the liquid storage tank is provided with an installation groove; the lifting mechanism comprises a supporting screw rod, a moving block, a driving plate and a connecting ring; the mounting block is of a flat cylindrical structure; the mounting block is formed by splicing two semi-cylinders; the two semi-cylinders are provided with longitudinal semi-circular channels and transverse semi-circular grooves which correspond to each other in position; the middle position of the longitudinal semicircular channel vertically extends towards the interior of the semicircular cylinder to form a communicated transverse semicircular groove; the outer side of the liquid production pipe is provided with annular teeth; the annular teeth on the liquid production pipe are clamped and fixed by the transverse semicircular grooves on the semicircular cylinder. The liquid collecting pipe is more stable in connection, limited in longitudinal and transverse directions and quite convenient to disassemble.
Description
Technical Field
The invention relates to a tube body movable clamping type liquid taking centrifugal tube, in particular to a liquid collecting tube mounting structure of the liquid taking centrifugal tube.
Background
At present, a centrifugal tube is a common medical instrument and is mainly used for detecting some liquid samples. Liquid in the centrifuge tube can be divided into a plurality of layers after being centrifuged by the centrifuge, and the liquid in different layers needs to be respectively taken out after the centrifugation is finished. The existing centrifugal tube generally comprises a liquid collecting tube, a mounting plate and a liquid storage tank; the liquid storage tank is used for storing liquid, the liquid collecting pipe is arranged in the liquid storage tank through the mounting plate, and the liquid is collected through the liquid collecting pipe after the liquid is layered, but the structure has a problem that the liquid collecting pipe is generally directly inserted on the mounting plate and is not stably connected, and the liquid collecting pipe needs to be taken down at any time, so that the liquid collecting pipe and the mounting plate cannot be integrally fixed, and a liquid collecting pipe mounting structure which is stable in liquid collecting pipe mounting and convenient to detach needs to be developed; in addition, the height of the liquid collecting pipe cannot be adjusted, and sometimes the liquid collecting pipe does not collect enough liquid, the liquid level of the liquid drops to be separated from the bottom of the liquid collecting pipe, so that the centrifugal pipe capable of adjusting the height position of the liquid collecting pipe is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the utility model provides a liquid centrifuging tube is got to liquid production pipe activity centre gripping formula of firm, the dismantlement of installation, height-adjustable.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a tube body movable clamping type liquid taking centrifugal tube comprises a liquid storage tank, an upper cover body, a liquid collecting tube, a lifting mechanism, an installation block and a telescopic bag; the upper cover body is arranged at the upper end of the liquid storage tank; one side of the liquid storage tank is provided with an installation groove; the lifting mechanism comprises a supporting screw rod, a moving block, a driving plate and a connecting ring; the supporting screw rod is arranged at the lower end of the mounting groove; the lower end of the moving block is provided with an internal thread hole, and the upper end of the moving block is provided with a clamping groove; the moving block is arranged at the upper end of the supporting screw rod through an internal thread hole; the lower end of the driving plate is provided with a clamping ring; the lower end of the drive plate is rotationally clamped with the clamping groove of the moving block through the clamping ring; the connecting ring is fixed with one side of the upper end of the driving plate; the connecting ring is arranged inside the liquid storage tank; the mounting block is movably connected in the connecting ring; the periphery of the lower end of the connecting ring is hermetically connected to the inner wall of the liquid storage tank through a telescopic bag; the mounting block is of a flat cylindrical structure; the mounting block is formed by splicing two semi-cylinders; the two semi-cylinders are provided with longitudinal semi-circular channels and transverse semi-circular grooves which correspond to each other in position; the middle position of the longitudinal semicircular channel vertically extends towards the interior of the semicircular cylinder to form a communicated transverse semicircular groove; the longitudinal semicircular channel is encircled to form a longitudinal channel; the transverse semi-circular groove is encircled to form a transverse ring groove; the outer side of the liquid production pipe is provided with annular teeth; the annular teeth on the liquid production pipe are clamped and fixed by the transverse semicircular grooves on the semicircular cylinder; the outer side of the liquid production pipe is connected in the longitudinal channel in a penetrating way; the two semi-cylinders are provided with inserting teeth and inserting grooves which correspond to each other in position; the two semi-cylinders are mutually butted through the inserting teeth and the inserting grooves.
Furthermore, the inner side of the upper end of the liquid storage tank is provided with an internal thread; external threads are arranged on the periphery of the upper cover body; the upper cover body is connected with the internal thread of the liquid storage tank through the external thread.
Furthermore, the clamping ring and the clamping groove are both in T-shaped structures.
Furthermore, external threads butted by threads are arranged on the outer sides of the two semi-cylinders of the mounting block; the inner side of the connecting ring is provided with internal threads; the mounting block is in threaded connection with the internal thread of the connecting ring through the external thread.
Furthermore, an annular sealing ring is arranged in the transverse annular groove; the annular sealing ring is arranged between the annular teeth on the outer side of the liquid production pipe and the inner wall of the transverse annular groove; the annular teeth on the outer side of the liquid production pipe generate extrusion force on the annular sealing ring.
Furthermore, a rotary driving block is arranged on the semi-cylinder.
Furthermore, a limiting plate is arranged on the outer side above the mounting groove; the outer side of the driving plate is abutted against the limiting plate.
Furthermore, the inner side of the mounting groove is provided with an isolating ring; the upper end of the isolating ring is fixedly connected with the telescopic bag.
The invention has the advantages of
1. The connecting structure of the liquid production pipe is ingenious in design, the annular teeth are arranged outside the liquid production pipe, the annular teeth are clamped in the transverse semi-circular grooves on the two semi-cylinders to realize fixation, the annular sealing ring is arranged between the annular teeth on the outer side of the liquid production pipe and the inner wall of the transverse circular groove, the sealing performance of the liquid production pipe and the semi-cylinders is improved, external threads in butt joint of the threads are arranged on the outer sides of the two semi-cylinders of the mounting block, and therefore, after the two semi-cylinders are spliced, complete external threads are formed, the mounting block is in threaded connection with the internal thread ring of the connecting ring, the connection of the liquid production pipe and the mounting block and the connection of the mounting block and the connecting ring are realized, the connection of the liquid production pipe is more stable, and the longitudinal and transverse directions; when needing to dismantle, after rotatory coming out from the go-between with the installation piece, unpack apart two halfcylinders can, dismantle also very convenience.
2. According to the invention, the movable block moves up and down on the supporting screw rod by rotating the movable block, so that the driving plate is driven to move up and down, the driving plate drives the mounting block to move up and down, and further the liquid production pipe can be driven to move up and down.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
FIG. 2 is a schematic sectional view of the liquid storage tank of the present invention.
FIG. 3 is a schematic view of the installation structure of the elevating mechanism and the liquid storage tank of the present invention.
Fig. 4 is a schematic view of the connection structure of the liquid production pipe and the mounting block of the invention.
Fig. 5 is a schematic diagram of a disassembled structure of the liquid production pipe and the mounting block.
Fig. 6 is a top view structural schematic diagram of the liquid production pipe and the mounting block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a tube body movable clamping type liquid taking centrifugal tube comprises a liquid storage tank 1, an upper cover body 6, a liquid taking tube 4, a lifting mechanism 2, a mounting block 3 and a flexible bag 5. The upper cover body 6 is arranged at the upper end of the liquid storage tank 1. As shown in fig. 2, the liquid storage tank 1 is of a U-shaped structure, one side of the liquid storage tank 1 is provided with a mounting groove 11, a limiting plate 13 is arranged outside the upper part of the mounting groove 11, and an isolation ring 12 is arranged inside the mounting groove 11. As shown in fig. 1 to 3, the lifting mechanism 2 includes a supporting screw 21, a moving block 22, a driving plate 23, and a connecting ring 24, wherein an external thread is provided on the outer side of the supporting screw 21, the supporting screw 21 is installed at the lower end of the installation groove 11, an internal thread hole 221 is provided on the lower end of the moving block 22, a clamping groove 222 is provided on the upper end of the moving block 22, the moving block 22 is installed at the upper end of the supporting screw 21 through the internal thread hole 221, a clamping ring 231 is provided on the lower end of the driving plate 23, the lower end of the driving plate 23 is rotatably clamped with the clamping groove 222 of the moving block 22 through the clamping ring 231, the clamping ring 231 and the clamping groove 222 are both in a T-shaped structure, the outer side of the driving plate 23 abuts against the limiting plate 13, the connecting ring 24 is fixed to one. As shown in fig. 1, the mounting block 3 is movably connected in the connection ring 24,
as shown in fig. 4 to 6, the mounting block 3 is a flat cylindrical structure, the mounting block 3 is formed by splicing two half cylinders 32, the two half cylinders 32 are provided with a longitudinal semicircular channel 321 and a transverse semicircular groove 322 corresponding to each other in position, the longitudinal semicircular channel 321 and the transverse semicircular groove 322 are both arranged at the splicing surface of the half cylinders 32, the middle position of the longitudinal semicircular channel 321 vertically extends to the inside of the half cylinders 32 to form the transverse semicircular groove 322, the longitudinal semicircular channel 321 is enclosed to form the longitudinal channel 33, the transverse semicircular groove 322 is enclosed to form a transverse annular groove, the outer side of the liquid collecting pipe 4 is provided with an annular tooth 41, the annular tooth 41 on the liquid collecting pipe 4 is clamped and fixed by the transverse semicircular groove 322 on the half cylinders 32, the outer side of the liquid collecting pipe 4 is connected in the longitudinal channel 33 in a penetrating manner, the two half cylinders 32 are provided with an inserting tooth 34 and an inserting groove 35 corresponding to each other in position, the inserting teeth 34 and the inserting grooves 35 are arranged on two sides of the splicing surface of the two half cylinders 32, and the two half cylinders 32 are mutually butted through the inserting teeth 34 and the inserting grooves 35. The upper end of the liquid collecting pipe 4 can be sealed by a sealing film. Further preferably, the outer sides of the two semi-cylinders 32 of the mounting block 3 are provided with external threads in thread butt joint, the inner side of the connecting ring 24 is provided with internal threads, and the mounting block 3 is in threaded connection with the internal threads of the connecting ring through the external threads. Further preferably, in order to increase the leakproofness between the production pipe 4 and the installation piece 3, horizontal annular groove 322 in install ring type sealing ring 7, ring type sealing ring 7 install between the inner wall of the annular tooth 41 in the production pipe 4 outside and horizontal annular groove 322, the annular tooth 41 in the production pipe 4 outside generate the extrusion force to ring type sealing ring 7. Further preferably, the semi-cylinder 32 is provided with a rotation driving block 31 for facilitating the manipulation of the fingers of the operator.
As shown in fig. 1 and 3, the periphery of the lower end of the connecting ring 24 is hermetically connected to the inner wall of the liquid storage tank 1 through the flexible bag 5, specifically, the lower end of the flexible bag 5 is hermetically connected to the isolating ring 12, and the lower end of the flexible bag 5 is hermetically connected to the isolating ring 12, that is, the upper end of the isolating ring 12 is fixedly connected to the flexible bag 5. Further preferably, in order to facilitate the connection between the upper cover 6 and the liquid storage tank 1, as shown in fig. 1 and 2, an inner side of an upper end of the liquid storage tank 1 is provided with an internal thread, an external thread is provided around the upper cover 6, and the upper cover 6 is connected with the internal thread of the liquid storage tank 1 through the external thread.
The connecting structure of the liquid production pipe 4 is ingenious in design, the annular teeth 41 are arranged outside the liquid production pipe 4, the annular teeth 41 are clamped in the transverse semi-annular grooves 322 on the two semi-cylinders 32 to realize fixation, the annular sealing ring 7 is arranged between the annular teeth 41 on the outer side of the liquid production pipe 4 and the inner wall of the transverse annular groove 322, the sealing performance of the liquid production pipe 4 and the semi-cylinders 32 is improved, in addition, external threads in thread butt joint are arranged on the outer sides of the two semi-cylinders 32 of the mounting block 3, so that complete external threads are formed after the two semi-cylinders 32 are spliced, and then the mounting block 3 is in threaded connection with the internal thread ring of the connecting ring 24, so that the connection of the liquid production pipe 4 and the mounting block 3 and the connection of the mounting block 3 and the connecting ring 24 are realized, the connection of the liquid production pipe 4 is more stable, and the longitudinal; when the mounting block 3 needs to be dismounted, the two half cylinders 32 can be dismounted after the mounting block is rotated out from the connecting ring 24, and the dismounting is also very convenient. According to the invention, the moving block 22 is rotated, the moving block 22 moves up and down on the supporting screw 21, so that the driving plate 23 is driven to move up and down, the driving plate 23 drives the mounting block 6 to move up and down, and the liquid production pipe 4 can be driven to move up and down.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A tube body movable clamping type liquid taking centrifugal tube is characterized by comprising a liquid storage tank, an upper cover body, a liquid collecting tube, a lifting mechanism, an installation block and a telescopic bag; the upper cover body is arranged at the upper end of the liquid storage tank; one side of the liquid storage tank is provided with an installation groove; the lifting mechanism comprises a supporting screw rod, a moving block, a driving plate and a connecting ring; the supporting screw rod is arranged at the lower end of the mounting groove; the lower end of the moving block is provided with an internal thread hole, and the upper end of the moving block is provided with a clamping groove; the moving block is arranged at the upper end of the supporting screw rod through an internal thread hole; the lower end of the driving plate is provided with a clamping ring; the lower end of the drive plate is rotationally clamped with the clamping groove of the moving block through the clamping ring; the connecting ring is fixed with one side of the upper end of the driving plate; the connecting ring is arranged inside the liquid storage tank; the mounting block is movably connected in the connecting ring; the periphery of the lower end of the connecting ring is hermetically connected to the inner wall of the liquid storage tank through a telescopic bag; the mounting block is of a flat cylindrical structure; the mounting block is formed by splicing two semi-cylinders; the two semi-cylinders are provided with longitudinal semi-circular channels and transverse semi-circular grooves which correspond to each other in position; the middle position of the longitudinal semicircular channel vertically extends towards the interior of the semicircular cylinder to form a communicated transverse semicircular groove; the longitudinal semicircular channel is encircled to form a longitudinal channel; the transverse semi-circular groove is encircled to form a transverse ring groove; the outer side of the liquid production pipe is provided with annular teeth; the annular teeth on the liquid production pipe are clamped and fixed by the transverse semicircular grooves on the semicircular cylinder; the outer side of the liquid production pipe is connected in the longitudinal channel in a penetrating way; the two semi-cylinders are provided with inserting teeth and inserting grooves which correspond to each other in position; the two semi-cylinders are mutually butted through the inserting teeth and the inserting grooves; an annular sealing ring is arranged in the transverse annular groove; the annular sealing ring is arranged between the annular teeth on the outer side of the liquid production pipe and the inner wall of the transverse annular groove; the annular teeth on the outer side of the liquid production pipe generate extrusion force on the annular sealing ring; the inner side of the mounting groove is provided with an isolating ring; the upper end of the isolating ring is fixedly connected with the telescopic bag.
2. The tube body movable clamping type liquid taking centrifugal tube as claimed in claim 1, wherein the inner side of the upper end of the liquid storage tank is provided with internal threads; external threads are arranged on the periphery of the upper cover body; the upper cover body is connected with the internal thread of the liquid storage tank through the external thread.
3. The tube body movable clamping type liquid taking centrifuge tube of claim 1, wherein the clamping ring and the clamping groove are both in T-shaped structures.
4. The tube body movable clamping type liquid taking centrifugal tube as claimed in claim 1, wherein the outer sides of the two semi-cylinders of the mounting block are provided with external threads butted by screw teeth; the inner side of the connecting ring is provided with internal threads; the mounting block is in threaded connection with the internal thread of the connecting ring through the external thread.
5. The tube-body movable clamping type liquid-taking centrifugal tube according to claim 1, wherein the semi-cylinder body is provided with a rotary driving block.
6. The tube body movable clamping type liquid taking centrifugal tube according to claim 1, wherein a limiting plate is arranged on the outer side above the mounting groove; the outer side of the driving plate is abutted against the limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275519.9A CN108535051B (en) | 2018-03-30 | 2018-03-30 | Liquid centrifuging tube is got to body activity centre gripping formula |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810275519.9A CN108535051B (en) | 2018-03-30 | 2018-03-30 | Liquid centrifuging tube is got to body activity centre gripping formula |
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| Publication Number | Publication Date |
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| CN108535051A CN108535051A (en) | 2018-09-14 |
| CN108535051B true CN108535051B (en) | 2020-04-24 |
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| CN201810275519.9A Active CN108535051B (en) | 2018-03-30 | 2018-03-30 | Liquid centrifuging tube is got to body activity centre gripping formula |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111588386B (en) * | 2020-05-25 | 2023-04-11 | 江苏科华医疗器械科技有限公司 | Conveniently-installed trace quantitative blood sampling device |
| CN111579302B (en) * | 2020-05-25 | 2023-04-25 | 江苏科华医疗器械科技有限公司 | Axial and radial floating micro blood sampling device |
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| CN205115478U (en) * | 2015-11-12 | 2016-03-30 | 南昌理工学院 | But stratified sampling's fermentation cylinder |
| CN206173301U (en) * | 2016-09-19 | 2017-05-17 | 如皋润皋酒业有限公司 | But stratified sampling's rice wine fermentation jar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205120421U (en) * | 2015-10-28 | 2016-03-30 | 中国建材检验认证集团厦门宏业有限公司 | Can draw in container not galactic sample collection device of co -altitude simultaneously |
| CN106248439A (en) * | 2016-07-06 | 2016-12-21 | 江苏科华医疗器械科技有限公司 | A kind of telescopic urine cup |
| CN106000500B (en) * | 2016-07-06 | 2018-10-23 | 江苏科华医疗器械科技有限公司 | A kind of centrifuge tube for being convenient for taking liquid |
| CN206274927U (en) * | 2016-12-08 | 2017-06-27 | 齐齐哈尔大学 | Pollen storage bottle with scalable pollination brush |
| CN206361652U (en) * | 2017-01-06 | 2017-07-28 | 中山市硕日照明电器有限公司 | A kind of LED bulb buckle-type presses bindiny mechanism |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205115478U (en) * | 2015-11-12 | 2016-03-30 | 南昌理工学院 | But stratified sampling's fermentation cylinder |
| CN206173301U (en) * | 2016-09-19 | 2017-05-17 | 如皋润皋酒业有限公司 | But stratified sampling's rice wine fermentation jar |
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