CN108786950B - Liquid centrifuging tube is got to over-and-under type - Google Patents
Liquid centrifuging tube is got to over-and-under type Download PDFInfo
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- CN108786950B CN108786950B CN201810275610.0A CN201810275610A CN108786950B CN 108786950 B CN108786950 B CN 108786950B CN 201810275610 A CN201810275610 A CN 201810275610A CN 108786950 B CN108786950 B CN 108786950B
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- connecting ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5021—Test tubes specially adapted for centrifugation purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a lifting liquid taking centrifugal tube which comprises a liquid storage tank, an upper cover body, a liquid collecting tube, a lifting mechanism, an installation block and a telescopic bag, wherein the liquid storage tank is arranged on the upper cover body; 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 the internal thread hole; the lower end of the driving plate is provided with a clamping ring; the lower end of the driving 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 liquid production pipe is connected to the mounting block in a penetrating manner; the periphery of the lower end of the connecting ring is hermetically connected to the inner wall of the liquid storage tank through a flexible bag. The connecting structure is simple, the operation is convenient, a structural precedent in the field is created, and the purpose of adjusting the height of the liquid production pipe is achieved.
Description
Technical Field
The invention relates to a lifting liquid taking centrifugal tube, in particular to a lifting mechanism 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; deposit the liquid jar and be used for depositing liquid, the liquid sampling pipe passes through the mounting panel to be installed in depositing the liquid jar, treats that liquid gathers through the liquid sampling pipe after the layering, but such structure has a problem, and the height of liquid sampling pipe can not be adjusted, and sufficient volume has not been gathered to the liquid sampling pipe occasionally, and the liquid level of liquid has just fallen and has broken away from the bottom of liquid sampling pipe, so needs the centrifuging tube of adjustable liquid sampling pipe height position.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a lifting liquid taking centrifugal tube with a liquid taking tube with an adjustable height.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a lifting 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 liquid production pipe is connected to the mounting block in a penetrating manner; 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.
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, the mounting block is of a flat cylindrical structure; external threads are arranged on the outer side of the periphery 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, a through hole is formed in the middle of the mounting block; an annular groove extends outwards from the through hole; an annular sealing ring is arranged in the annular groove; the liquid production pipe is inserted from the through hole of the mounting block; the outer side of the liquid collecting pipe generates extrusion force to the annular sealing ring.
Further, the section diameter length of the annular sealing ring is 1.2 to 1.3 times of the section diameter length of the annular groove.
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
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 structural diagram of the liquid production pipe and the mounting block of the invention.
Fig. 5 is a schematic structural view of the mounting block of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the lifting liquid taking centrifugal tube comprises a liquid storage tank 1, an upper cover body 6, a liquid collecting tube 4, a lifting mechanism 2, a mounting block 3 and a telescopic 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 connecting ring 24, and the specific structure may be: the mounting block 3 is of a flat cylindrical structure, external threads are arranged on the outer sides of the periphery of the mounting block 3, internal threads are arranged on the inner side of the connecting ring 24, and the mounting block 3 is in threaded connection with the internal threads of the connecting ring 24 through the external threads. The liquid production pipe 4 is connected on the mounting block 3 in a penetrating way, and the specific structure can be as follows: as shown in fig. 4 and 5, a through hole 32 is formed in the middle of the mounting block 3, an annular groove 31 extends outward from the through hole 32, an annular sealing ring 7 is installed in the annular groove 31, the liquid production pipe 4 is inserted from the through hole 32 of the mounting block 3, and the outer side of the liquid production pipe 4 generates extrusion force on the annular sealing ring 7, so that the sealing performance is ensured and the mounting is facilitated. The upper end of the liquid collecting pipe 4 is sealed by a sealing film. 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. Further preferably, in order to increase the sealing performance, the cross-sectional diameter length of the annular sealing ring 7 is 1.2 to 1.3 times the cross-sectional diameter length of the annular groove 31.
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 lifting 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 liquid production pipe is connected to the mounting block in a penetrating manner; 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 middle of the mounting block is provided with a through hole; an annular groove extends outwards from the through hole; an annular sealing ring is arranged in the annular groove; the liquid production pipe is inserted from the through hole of the mounting block; the outer side of the liquid production pipe generates 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 lifting liquid taking centrifuge tube of claim 1, wherein 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.
3. The lifting liquid-taking centrifuge tube of claim 1, wherein the snap ring and the snap groove are both T-shaped.
4. The lifting liquid-taking centrifuge tube of claim 1, wherein the mounting block is a flat cylindrical structure; external threads are arranged on the outer side of the periphery 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.
5. The elevating liquid-taking centrifugal tube according to claim 1, wherein the cross-sectional diameter length of the annular sealing ring is 1.2 to 1.3 times the cross-sectional diameter length of the annular groove.
6. The lifting liquid-taking centrifuge tube according to claim 1, wherein a limiting plate is arranged outside the upper part of 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 |
|---|---|---|---|
| CN201810275610.0A CN108786950B (en) | 2018-03-30 | 2018-03-30 | Liquid centrifuging tube is got to over-and-under type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275610.0A CN108786950B (en) | 2018-03-30 | 2018-03-30 | Liquid centrifuging tube is got to over-and-under type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108786950A CN108786950A (en) | 2018-11-13 |
| CN108786950B true CN108786950B (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810275610.0A Active CN108786950B (en) | 2018-03-30 | 2018-03-30 | Liquid centrifuging tube is got to over-and-under type |
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| Country | Link |
|---|---|
| CN (1) | CN108786950B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547812B (en) * | 2019-09-23 | 2022-05-27 | 江苏科华医疗器械科技有限公司 | Surrounding floating type blood sampling device |
| CN110547810B (en) * | 2019-09-23 | 2022-05-17 | 江苏科华医疗器械科技有限公司 | Radial and axial double-floating type blood sampling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000500A (en) * | 2016-07-06 | 2016-10-12 | 江苏科华医疗器械科技有限公司 | Centrifugal tube facilitating liquid sampling |
| CN206274927U (en) * | 2016-12-08 | 2017-06-27 | 齐齐哈尔大学 | Pollen storage bottle with scalable pollination brush |
| CN107008518A (en) * | 2017-04-12 | 2017-08-04 | 郝大勇 | Centrifuge tube, centrifuge tube adapter and the method for extracting sample |
-
2018
- 2018-03-30 CN CN201810275610.0A patent/CN108786950B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000500A (en) * | 2016-07-06 | 2016-10-12 | 江苏科华医疗器械科技有限公司 | Centrifugal tube facilitating liquid sampling |
| CN206274927U (en) * | 2016-12-08 | 2017-06-27 | 齐齐哈尔大学 | Pollen storage bottle with scalable pollination brush |
| CN107008518A (en) * | 2017-04-12 | 2017-08-04 | 郝大勇 | Centrifuge tube, centrifuge tube adapter and the method for extracting sample |
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| Publication number | Publication date |
|---|---|
| CN108786950A (en) | 2018-11-13 |
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