CN221156756U - Self-rotating dialysis bag fixing device - Google Patents
Self-rotating dialysis bag fixing device Download PDFInfo
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- CN221156756U CN221156756U CN202322734709.1U CN202322734709U CN221156756U CN 221156756 U CN221156756 U CN 221156756U CN 202322734709 U CN202322734709 U CN 202322734709U CN 221156756 U CN221156756 U CN 221156756U
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- telescopic rod
- threaded
- dialysis bag
- hole
- positioning
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- 238000000502 dialysis Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 150000003384 small molecules Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of dialysis bag fixing devices, in particular to a self-rotating dialysis bag fixing device which comprises a fixing clamp, a rotating shaft, an adjusting arm, a telescopic rod and a positioning mechanism, wherein the fixing clamp is arranged on the fixing clamp; the positioning mechanism is fixed on the table top, and a telescopic rod is connected above the positioning mechanism; the top of the telescopic rod is connected with a rotation shaft through an adjusting arm; a fixing clamp is fixed at the lower end of the rotation shaft; the fixing clamp is clamped above the dialysis bag; the dialysis bag is arranged in a beaker at the center of the centrifugal machine; the centrifuge is placed in the center of the table top. The utility model can avoid liquid leakage caused by that the dialysis bag is beaten by the stirrer in the beaker or rubbed with the stirrer in the dialysis process.
Description
Technical Field
The utility model relates to the technical field of dialysis bag fixing devices, in particular to a self-rotating dialysis bag fixing device.
Background
Dialysis is a separation and purification technique that separates small molecules from biological macromolecules by the principle of diffusion of the small molecules into water (or buffer solution) through a semipermeable membrane. The dialysis bag is placed in the beaker, and dialysis is carried out through the centrifugal machine, and in the experimental process, the sample bag is frequently beaten by the stirring rod or rubbed with the stirring rod during dialysis, so that liquid leakage is caused. The dialysis bag is preferably secured during dialysis.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a self-rotating dialysis bag fixing device.
The technical scheme adopted for solving the technical problems is as follows: a self-rotating dialysis bag fixing device comprises a fixing clamp, a rotating shaft, an adjusting arm, a telescopic rod and a positioning mechanism; the positioning mechanism is fixed on the table top, and a telescopic rod is connected above the positioning mechanism; the top of the telescopic rod is connected with a rotation shaft through an adjusting arm; a fixing clamp is fixed at the lower end of the rotation shaft; the fixing clamp is clamped above the dialysis bag; the dialysis bag is arranged in a beaker at the center of the centrifugal machine; the centrifuge is placed in the center of the table top.
According to another embodiment of the utility model, the positioning mechanism is a positioning plate, a positioning threaded hole for installing the telescopic rod is formed in the middle of the plate surface of the positioning plate, and locking threaded holes are symmetrically formed in two sides of the positioning plate; the positioning hole is in threaded connection with the lower end of the telescopic rod; the locking threaded hole is connected with a mounting hole on the table top in a threaded manner through a locking screw.
According to another embodiment of the present utility model, further comprising, the positioning mechanism is a fixing clip; the fixing clamp comprises a fixing plate extending outwards and a U-shaped plate integrally connected with the fixing plate in the opposite direction; the fixing plate is provided with a fixing threaded hole for installing the telescopic rod; the fixed threaded hole is in threaded connection with the lower end of the telescopic rod; the U-shaped plate upper plate is provided with a threaded through hole, and the lower plate is provided with a positioning groove matched with the threaded through hole; a nut is arranged in the positioning groove, and a bolt matched with the nut is connected in the threaded through hole in a threaded manner; the bolt is in threaded connection with a mounting hole on the table top.
According to another embodiment of the present utility model, the telescopic rod further comprises an outer tube, an inner tube extending into the outer tube and movable along the inner wall of the outer tube, and a locking mechanism; the locking mechanism comprises a pipe sleeve, a lock body, a wedging block and an eccentric cam; the outer tube is provided with a locking hole near the top, and the bottom is provided with threads matched with the positioning mechanism; the pipe sleeve is inserted into the outer pipe in a limiting way, and a notch matched with the locking hole in size is formed in the pipe sleeve; the lock body is sleeved at the top of the outer tube in a limiting manner, and the side face of the lock body is rotationally connected with the eccentric cam; wedge blocks are arranged in the locking holes and the notches; and an adjusting arm is fixed at the top of the inner tube.
According to another embodiment of the present utility model, the adjusting arm is an elastic hose, one end of the adjusting arm is fixed on the top of the telescopic rod, and the other end of the adjusting arm is fixed on the rotating shaft.
According to another embodiment of the present utility model, further comprising, the rotation shaft includes a shaft center and a movable frame; a limiting gasket, a movable frame and an elastic gasket are sequentially arranged in the middle of the axle center from top to bottom, and the upper end of the limiting gasket is fixed on the adjusting arm; the two sides of the movable frame are in threaded connection with the fixed clamps.
The utility model has the beneficial effects that in the dialysis process, the liquid leakage caused by the fact that the dialysis bag is beaten by the stirrer in the beaker or rubbed with the stirrer can be avoided.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a first embodiment;
FIG. 2 is a schematic diagram of the structure of a second embodiment;
FIG. 3 is a schematic view of the connection structure of the fixing clip and the rotation shaft;
Fig. 4 is a schematic structural view of the telescopic rod.
In the figure, 1, a fixing clamp, 2, a rotating shaft, 3, an adjusting arm, 4, a telescopic rod, 5, a positioning mechanism, 6, a table top, 7, a dialysis bag, 8, a centrifugal machine, 9, a beaker, 10, a positioning plate, 11, a positioning threaded hole, 12, a locking threaded hole, 13, a locking screw, 14, a fixing plate, 15, a U-shaped plate, 16, a threaded through hole, 17, a positioning groove, 18, a nut, 19, a bolt, 20, an outer tube, 21, an inner tube, 22, a locking mechanism, 23, an axle center, 24 and a movable frame.
Detailed Description
Fig. 1 is a schematic structural view of the present utility model, a self-rotating dialysis bag fixing device, comprising a fixing clip 1, a rotation shaft 2, an adjusting arm 3, a telescopic rod 4 and a positioning mechanism 5; the positioning mechanism 5 is fixed on the table top 6, and a telescopic rod 4 is connected above the positioning mechanism; the top of the telescopic rod 4 is connected with the rotating shaft 2 through the adjusting arm 3; a fixing clamp 1 is fixed at the lower end of the rotation shaft 2; the fixing clamp 1 is clamped above the dialysis bag 7; the dialysis bag 7 is arranged in a beaker 9 in the center of the centrifuge 8; the centrifuge 8 is placed in the center of the table top 6.
In the specific operation process, a centrifuge 8 is placed on a table top 6, a proper beaker 9 is matched according to the size of a dialysis bag 7, the beaker 9 is placed in the middle of the centrifuge 8, and a stirrer is arranged in the beaker; the positioning mechanism 5 is fixed on the side surface of the table top 6, the length of the telescopic rod 4 is adjusted according to the dialysis bag 7 and the beaker 9, the adjusting arm 3 is controlled, the rotating shaft 2 at the top end of the adjusting arm 3 is arranged at the center of the beaker 9, and the dialysis bag 7 is clamped by the fixing clamp 1 on the rotating shaft 2; the centrifuge 8 is started for dialysis.
According to another embodiment of the present utility model, the positioning mechanism 5 is a positioning plate 10, a positioning threaded hole 11 for installing the telescopic rod 4 is provided in the middle of the plate surface of the positioning plate 10, and locking threaded holes 12 are symmetrically provided on both sides; the positioning hole is in threaded connection with the lower end of the telescopic rod 4; the locking threaded hole 12 is internally connected with a mounting hole on the table top 6 in a threaded manner through a locking screw 13.
Specifically, the positioning plate 10 is locked to the table top 6 by the locking screw 13.
According to another embodiment of the present utility model, further comprising, the positioning mechanism 5 is a fixing clip 1; the fixing clamp 1 comprises a fixing plate 14 extending outwards and a U-shaped plate 15 integrally connected with the fixing plate in the opposite direction; the fixed plate 14 is provided with a fixed threaded hole for installing the telescopic rod 4; the fixed threaded hole is in threaded connection with the lower end of the telescopic rod 4; the upper plate of the U-shaped plate 15 is provided with a threaded through hole 16, and the lower plate is provided with a positioning groove 17 matched with the threaded through hole; a nut 18 is arranged in the positioning groove 17, and a bolt 19 matched with the nut 18 is connected in the threaded through hole 16 in a threaded manner; the bolts 19 are in threaded connection with mounting holes in the table top 6.
Specifically, the side surface of the table top 6 is clamped by the U-shaped plate 15, and is locked to the table top 6 by the bolt 19 and the nut 18 being engaged with each other.
According to another embodiment of the present utility model, the telescopic rod 4 further comprises an outer tube 20, an inner tube 21 extending into the outer tube 20 and movable along the inner wall of the outer tube 20, and a locking mechanism 22; the locking mechanism 22 comprises a pipe sleeve, a lock body, a wedging block and an eccentric cam; the outer tube 20 is provided with a locking hole near the top, and the bottom is provided with threads matched with the positioning mechanism 5; the pipe sleeve is inserted in the outer pipe 20 in a limiting way, and a notch matched with the locking hole in size is formed in the pipe sleeve; the lock body is sleeved at the top of the outer tube 20 in a limiting manner, and the side surface of the lock body is rotationally connected with the eccentric cam; wedge blocks are arranged in the locking holes and the notches; the top of the inner tube 21 is fixed with an adjusting arm 3.
Specifically, when the length of the telescopic rod 4 is adjusted, in a state that a buckle plate on an eccentric cam of the locking mechanism 22 is released, firstly, the required telescopic distance between the inner tube 21 and the outer tube 20 is adjusted through a guide groove capable of sliding relatively, and then the buckle plate on the eccentric cam is rotated, so that the eccentric cam presses a wedging block arranged in a positioning hole of the lock body, and the wedging block is pressed by the eccentric cam to be in contact locking with the outer surface of the inner tube 21; when the buckle is pressed down and can not rotate, the wedging block is completely propped in the locking hole to be in close contact with the inner pipe wall, the inner pipe 21 is positioned under the friction force action of the wedging block and the contact surface of the groove of the pipe sleeve, the telescopic rod can not be pulled, and the length adjustment of the telescopic pipe is finished; this design is with locking of telescopic link with buckle realization of eccentric cam, convenient operation, the design is simple, and can make the telescopic link according to the operation requirement can stretch out, fix in arbitrary length position with the indentation, has bigger flexibility than the telescopic link of current step structure, is fit for beaker 9 and dialysis bag 7 of laboratory not unidimensional size more.
According to another embodiment of the present utility model, the adjusting arm 3 is an elastic hose, one end of which is fixed to the top of the telescopic rod 4, and the other end of which is fixed to the rotating shaft 2.
Specifically, the adjusting arm 3 is made of an aluminum alloy material and can be freely twisted, and therefore, the adjusting arm 3 can be freely twisted as needed to a desired length.
According to another embodiment of the present utility model, the rotation shaft 2 further includes a shaft center 23 and a movable frame 24; a limiting gasket, a movable frame 24 and an elastic gasket are sequentially arranged in the middle of the axle center 23 from top to bottom, and the upper end of the limiting gasket is fixed on the adjusting arm 3; the two sides of the movable frame 24 are in threaded connection with the fixed clamp 1.
Specifically, the movable frame 24 includes an integrally connected middle portion and a side portion, a through hole penetrating through the shaft center 23 is provided in the center of the middle portion, a positioning piece having an area larger than the lower side of the shaft center 23 is provided on both sides of the middle portion, and the side portion is lower than the middle portion, forms a convex shape with the middle portion, and is in threaded connection with the fixing clip 1.
The above description is illustrative of the utility model and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, changes or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The self-rotating dialysis bag fixing device is characterized by comprising a fixing clamp (1), a rotating shaft (2), an adjusting arm (3), a telescopic rod (4) and a positioning mechanism (5); the positioning mechanism (5) is fixed on the table top (6), and a telescopic rod (4) is connected above the positioning mechanism; the top of the telescopic rod (4) is connected with the rotating shaft (2) through the adjusting arm (3); a fixing clamp (1) is fixed at the lower end of the rotating shaft (2); the fixing clamp (1) is clamped above the dialysis bag (7); the dialysis bag (7) is arranged in a beaker (9) at the center of the centrifugal machine (8); the centrifugal machine (8) is arranged at the center of the table top (6).
2. The self-rotating dialysis bag fixing device according to claim 1, wherein the positioning mechanism (5) is a positioning plate (10), a positioning threaded hole (11) for installing the telescopic rod (4) is arranged in the middle of the plate surface of the positioning plate (10), and locking threaded holes (12) are symmetrically arranged on two sides of the positioning plate; the positioning threaded hole (11) is in threaded connection with the lower end of the telescopic rod (4); the locking threaded hole (12) is internally connected with a mounting hole on the table top (6) in a threaded manner through a locking screw (13).
3. The self-rotating dialysis bag securing device according to claim 1, characterized in that the positioning mechanism (5) is a securing clip (1); the fixing clamp (1) comprises a fixing plate (14) extending outwards and a U-shaped plate (15) integrally connected with the fixing plate in the opposite direction; the fixing plate (14) is provided with a fixing threaded hole for installing the telescopic rod (4); the fixed threaded hole is in threaded connection with the lower end of the telescopic rod (4); the upper plate of the U-shaped plate (15) is provided with a threaded through hole (16), and the lower plate is provided with a positioning groove (17) matched with the threaded through hole; a nut (18) is arranged in the positioning groove (17), and a bolt (19) matched with the nut (18) is connected in the threaded through hole (16) in a threaded manner; the bolt (19) is in threaded connection with a mounting hole on the table top (6).
4. The self-rotating dialysis bag fixing apparatus of claim 1, wherein the telescopic rod (4) comprises an outer tube (20), an inner tube (21) extending into the outer tube (20) and movable along the inner wall of the outer tube (20), and a locking mechanism (22); the locking mechanism (22) comprises a pipe sleeve, a lock body, a wedging block and an eccentric cam; the outer tube (20) is provided with a locking hole near the top, and the bottom is provided with threads matched with the positioning mechanism (5); the pipe sleeve is inserted into the outer pipe (20) in a limiting way, and a notch matched with the locking hole in size is formed in the pipe sleeve; the lock body is sleeved at the top of the outer tube (20) in a limiting manner, and the side face of the lock body is rotationally connected with the eccentric cam; wedge blocks are arranged in the locking holes and the notches; an adjusting arm (3) is fixed at the top of the inner tube (21).
5. The self-rotating dialysis bag fixing device according to claim 1, wherein the adjusting arm (3) is an elastic hose, one end of the adjusting arm is fixed at the top of the telescopic rod (4), and the other end of the adjusting arm is fixed with the rotating shaft (2).
6. The self-rotating dialysis bag securing apparatus according to claim 1, characterized in that the rotation shaft (2) comprises a shaft center (23) and a movable frame (24); a limiting gasket, a movable frame (24) and an elastic gasket are sequentially arranged in the middle of the axle center (23) from top to bottom, and the upper end of the limiting gasket is fixed on the adjusting arm (3); both sides of the movable frame (24) are in threaded connection with the fixed clamp (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322734709.1U CN221156756U (en) | 2023-10-12 | 2023-10-12 | Self-rotating dialysis bag fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322734709.1U CN221156756U (en) | 2023-10-12 | 2023-10-12 | Self-rotating dialysis bag fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221156756U true CN221156756U (en) | 2024-06-18 |
Family
ID=91459518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322734709.1U Active CN221156756U (en) | 2023-10-12 | 2023-10-12 | Self-rotating dialysis bag fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221156756U (en) |
-
2023
- 2023-10-12 CN CN202322734709.1U patent/CN221156756U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |