CN217278124U - Chromatographic column end cap anti-loss connecting device - Google Patents
Chromatographic column end cap anti-loss connecting device Download PDFInfo
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- CN217278124U CN217278124U CN202123276052.6U CN202123276052U CN217278124U CN 217278124 U CN217278124 U CN 217278124U CN 202123276052 U CN202123276052 U CN 202123276052U CN 217278124 U CN217278124 U CN 217278124U
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- chromatographic column
- fixed
- fixing
- connecting piece
- end cap
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Abstract
The utility model discloses a chromatographic column end cap prevents losing connecting device, belong to the chromatographic column field, a chromatographic column end cap prevents losing connecting device, including the chromatographic column body, the chromatographic column end cap body is all installed at the both ends of chromatographic column body, the outside of chromatographic column body and two chromatographic column end cap bodies is all installed and is prevented losing fixed establishment, two prevent losing fixed establishment all including first solid fixed ring, first solid fixed ring is fixed in the outside of chromatographic column body respectively and is close to the position department at both ends, one side of first solid fixed ring is fixed with first connecting piece, one side that first connecting piece is close to chromatographic column end cap body is fixed with the dead lever, the outside sliding connection that first connecting piece was kept away from to the dead lever has the sliding column. The elastic spiral strip type chromatographic column plug body is connected with the chromatographic column body all the time, so that the probability of plug loss is reduced, and the possibility that the chromatographic column plug body falls off from the inner side of the chromatographic column body when the chromatographic column plug body is transported and stored is reduced through the arrangement of the elastic spiral strip.
Description
Technical Field
The utility model relates to a chromatographic column field, more specifically say, relate to a connecting device is prevented losing by chromatographic column end cap.
Background
The chromatography is a separation and analysis means, and the separation is the core, so the chromatographic column which is responsible for the separation is the heart of the chromatographic system;
and when the chromatographic column was shutoff, carry out the shutoff through the plug to the both ends of chromatographic column, current chromatographic column plug is when using, often because of the installation dismantlement is too frequent, again because of the user is along with putting along with taking, leads to the plug to lose very easily, needs purchase the plug again to make the cost of experiment promote greatly, reduced the economic benefits of experiment.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a connecting device is prevented losing by chromatographic column end cap, it makes chromatographic column end cap body remain to be connected with the chromatographic column body all the time, has reduced the probability that the end cap is lost to through the setting of elasticity spiral strip, reduced when the transportation is deposited the possibility that chromatographic column end cap body drops from the chromatographic column body inboard.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A loss-preventing connecting device for chromatographic column plugs comprises a chromatographic column body, wherein the chromatographic column plug bodies are respectively arranged at two ends of the chromatographic column body, and loss-preventing fixing mechanisms are respectively arranged at the outer sides of the chromatographic column body and the two chromatographic column plug bodies;
the two anti-loss fixing mechanisms respectively comprise first fixing rings, the first fixing rings are respectively fixed on the outer sides of the chromatographic column body and close to the positions of two ends, a first connecting sheet is fixed on one side of each first fixing ring, and a fixing rod is fixed on one side, close to the chromatographic column plug body, of each first connecting sheet;
the outer side of the fixed rod, far away from the first connecting sheet, is connected with a sliding column in a sliding manner, and an elastic assembly is arranged between the sliding column and the first connecting sheet;
one end of the sliding column, which is far away from the first connecting sheet, is rotatably connected with a second connecting sheet, a second fixing ring is mounted on the outer side of the chromatographic column plug body, and the second fixing ring is fixedly connected with the second connecting sheet;
the inboard of dead lever is provided with the spout, adjustment mechanism is installed to the inboard of spout, adjustment mechanism is used for adjusting elastic component's elasticity.
Further, adjustment mechanism includes the threaded rod, the threaded rod set up in the inboard of spout, just the threaded rod with dead lever threaded connection, the threaded rod is kept away from the one end of first connecting piece is rotated and is connected with and presses the square bar, just press the square bar with dead lever sliding connection.
Furthermore, the elastic component comprises a fixing piece, the fixing piece is fixed at one end of the sliding column close to the first connecting piece, the fixing piece is connected with the fixing rod in a sliding mode, and an elastic spiral strip is fixed between the first connecting piece and the fixing piece and located on the outer side of the fixing rod.
Furthermore, the shape of the elastic spiral strip is a hollow spiral shape, and two ends of the hollow spiral shape are respectively fixedly connected with the fixing piece and the first connecting piece.
Furthermore, the pressing square rod is far away from one end of the pressing square rod and is located a twisting piece is fixed on the outer side of the fixing rod, and anti-slip grains are uniformly formed in the outer side of the twisting piece.
Furthermore, the pressing square rod is in clearance fit with the fixed rod.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
this scheme is through the solid fixed ring of second, mutually supporting between dead lever and the slip post for chromatographic column end cap body keeps being connected with the chromatographic column body all the time, has reduced the probability that the end cap is lost, and through the setting of elasticity spiral strip, makes chromatographic column end cap body when assembling with the chromatographic column body, has reduced the possibility that chromatographic column end cap body from the inboard chromatographic column body that drops when the transportation is deposited.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the first retaining ring, the chromatography column plug body and the elastic helical strip of the present invention;
FIG. 3 is a schematic structural view of the second connecting piece, the elastic spiral strip and the fixing rod of the present invention;
fig. 4 is a sectional view of the fixing rod of the present invention.
The reference numbers in the figures illustrate:
1. a chromatography column body; 2. a chromatography column plug body; 3. a first retaining ring; 4. a first connecting piece; 5. fixing the rod; 6. a sliding post; 7. a fixing sheet; 8. an elastic helical strip; 9. a second connecting sheet; 10. a second retaining ring; 11. a chute; 12. a threaded rod; 13. and pressing the square rod.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example 1:
referring to fig. 1-4, a chromatography column plug anti-loss connecting device includes a chromatography column body 1, wherein two ends of the chromatography column body 1 are respectively provided with a chromatography column plug body 2, and anti-loss fixing mechanisms are respectively arranged at the outer sides of the chromatography column body 1 and the two chromatography column plug bodies 2;
the two anti-loss fixing mechanisms comprise first fixing rings 3, the first fixing rings 3 are respectively fixed at the outer sides of the chromatographic column body 1 and the positions close to the two ends, a first connecting sheet 4 is fixed at one side of each first fixing ring 3, and a fixing rod 5 is fixed at one side of each first connecting sheet 4 close to the chromatographic column plug body 2;
the outer side of the fixed rod 5, which is far away from the first connecting plate 4, is connected with a sliding column 6 in a sliding manner, and an elastic assembly is arranged between the sliding column 6 and the first connecting plate 4;
one end of the sliding column 6, which is far away from the first connecting sheet 4, is rotatably connected with a second connecting sheet 9, a second fixing ring 10 is installed on the outer side of the chromatographic column plug body 2, and the second fixing ring 10 is fixedly connected with the second connecting sheet 9;
the inboard of dead lever 5 is provided with spout 11, and adjustment mechanism is installed to the inboard of spout 11, and adjustment mechanism is used for adjusting elastic component's elasticity.
Referring to fig. 4, the adjusting mechanism includes a threaded rod 12, the threaded rod 12 is disposed inside the slide groove 11, and the threaded rod 12 is in threaded connection with the fixed rod 5, one end of the threaded rod 12 far away from the first connecting piece 4 is rotationally connected with a pressing square rod 13, the pressing square rod 13 is in sliding connection with the fixed rod 5, when the threaded rod 12 is rotated, through the threaded connection between the threaded rod 12 and the fixed rod 5, and through the rotational connection between the threaded rod 12 and the pressing square rod 13, the pressing square rod 13 can slide on the inner side of the sliding groove 11 through the sliding connection between the pressing square rod 13 and the fixed rod 5, when the pressing square rod 13 slides, the elastic spiral strip 8 can be driven to compress or stretch, thereby drive stationary blade 7 and slide in the outside of dead lever 5 for when chromatographic column end cap body 2 carries out the shutoff at chromatographic column body 1 inboard, further avoid chromatographic column end cap body 2 to drop.
Referring to fig. 2 and 3, elastic component is including stationary blade 7, stationary blade 7 is fixed in the one end that sliding column 6 is close to first connecting piece 4, and stationary blade 7 and dead lever 5 sliding connection, the outside that just is located dead lever 5 between first connecting piece 4 and the stationary blade 7 is fixed with elasticity spiral strip 8, setting through elasticity spiral strip 8, make the user when pulling stationary blade 7, can stretch elasticity spiral strip 8, thereby make chromatographic column end cap body 2 when chromatographic column body 1's inboard, avoid chromatographic column end cap body 2 to drop.
Referring to fig. 2 and 3, the elastic spiral strip 8 has a hollow spiral shape, and both ends of the hollow spiral shape are fixedly connected to the fixing piece 7 and the first connecting piece 4, respectively, so that the elastic spiral strip 8 has elasticity to extend outward when compressed and to compress inward when stretched.
Referring to fig. 3, the end of the pressing square rod 13 far away from the pressing square rod 13 and the outer side of the fixing rod 5 are fixed with a twisting member, and the outer side of the twisting member is uniformly provided with anti-slip threads, so that a user can more conveniently twist the threaded rod 12.
Referring to fig. 4, the pressing square rod 13 is in clearance fit with the fixing rod 5, so that the effect that the pressing square rod 13 can slide on the inner side of the sliding groove 11 is improved.
The working principle is as follows: when the user uses the device, the two ends of the chromatographic column body 1 are plugged by the chromatographic column plug body 2, and is used for connecting the chromatographic column plug body 2 through the loss-proof fixing mechanism, so that the chromatographic column plug body 2 is always connected with the chromatographic column body 1, the probability of losing the chromatographic column plug body 2 is reduced, when the chromatographic column body 1 and the chromatographic column plug body 2 are in the process of transportation and the like, through the arrangement of the elastic spiral strip 8, so that the elastic spiral strip 8 can pull the fixing piece 7 and the sliding column 6 to always have a force towards the direction close to the fixing rod 5, thereby applying an equal force to the second securing ring 10 and the column plug body 2, so that the column plug body 2 tends to move towards the direction close to the column body 1, thereby preventing the chromatographic column plug body 2 from falling off due to shaking and vibration in the transportation or storage process.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a chromatographic column end cap prevents losing connecting device, includes chromatographic column body (1), its characterized in that: the anti-loss chromatographic column comprises a chromatographic column body (1), chromatographic column plug bodies (2) are mounted at two ends of the chromatographic column body (1), and anti-loss fixing mechanisms are mounted on the outer sides of the chromatographic column body (1) and the two chromatographic column plug bodies (2);
the two anti-loss fixing mechanisms respectively comprise first fixing rings (3), the first fixing rings (3) are respectively fixed at the outer sides of the chromatographic column body (1) and the positions close to the two ends, a first connecting sheet (4) is fixed at one side of each first fixing ring (3), and a fixing rod (5) is fixed at one side, close to the chromatographic column plug body (2), of each first connecting sheet (4);
the outer side, far away from the first connecting piece (4), of the fixed rod (5) is connected with a sliding column (6) in a sliding mode, and an elastic assembly is installed between the sliding column (6) and the first connecting piece (4);
one end, far away from the first connecting sheet (4), of the sliding column (6) is rotatably connected with a second connecting sheet (9), a second fixing ring (10) is mounted on the outer side of the chromatographic column plug body (2), and the second fixing ring (10) is fixedly connected with the second connecting sheet (9);
the inboard of dead lever (5) is provided with spout (11), adjustment mechanism is installed to the inboard of spout (11), adjustment mechanism is used for adjusting elastic component's elasticity.
2. The chromatography column stopper loss prevention connection device of claim 1, wherein: adjustment mechanism is including threaded rod (12), threaded rod (12) set up in the inboard of spout (11), just threaded rod (12) with dead lever (5) threaded connection, threaded rod (12) are kept away from the one end of first connecting piece (4) is rotated and is connected with and is pressed square bar (13), just press square bar (13) with dead lever (5) sliding connection.
3. The chromatography column stopper loss prevention connection device of claim 1, wherein: elastic component is including stationary blade (7), stationary blade (7) are fixed in slip post (6) are close to the one end of first connecting piece (4), just stationary blade (7) with dead lever (5) sliding connection, first connecting piece (4) with just be located between stationary blade (7) the outside of dead lever (5) is fixed with elasticity spiral strip (8).
4. A chromatography column stopper loss prevention coupling device according to claim 3, wherein: the elastic spiral strip (8) is in a hollow spiral shape, and two ends of the hollow spiral shape are fixedly connected with the fixing piece (7) and the first connecting piece (4) respectively.
5. A chromatography column stopper loss prevention coupling device according to claim 2, wherein: the anti-skidding square bar is characterized in that a twisting part is fixed to one end, far away from the pressing square bar (13), of the pressing square bar (13) and located on the outer side of the fixed bar (5), and anti-skidding threads are uniformly formed in the outer side of the twisting part.
6. A chromatography column stopper loss prevention coupling device according to claim 2, wherein: the pressing square rod (13) is in clearance fit with the fixed rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276052.6U CN217278124U (en) | 2021-12-23 | 2021-12-23 | Chromatographic column end cap anti-loss connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276052.6U CN217278124U (en) | 2021-12-23 | 2021-12-23 | Chromatographic column end cap anti-loss connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217278124U true CN217278124U (en) | 2022-08-23 |
Family
ID=82889322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123276052.6U Active CN217278124U (en) | 2021-12-23 | 2021-12-23 | Chromatographic column end cap anti-loss connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217278124U (en) |
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2021
- 2021-12-23 CN CN202123276052.6U patent/CN217278124U/en active Active
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