CN216247379U - Bottom pillar-mounting valve - Google Patents
Bottom pillar-mounting valve Download PDFInfo
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- CN216247379U CN216247379U CN202122173514.5U CN202122173514U CN216247379U CN 216247379 U CN216247379 U CN 216247379U CN 202122173514 U CN202122173514 U CN 202122173514U CN 216247379 U CN216247379 U CN 216247379U
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Abstract
The utility model discloses a bottom column valve which comprises a valve body, a cylinder barrel, a packing joint, a collecting joint, a piston and a distributing plate, wherein the valve body and the cylinder barrel are fixedly arranged on the distributing plate through a connecting piece which sequentially penetrates through the cylinder barrel and the valve body to fix the bottom column valve on the distributing plate; the cleaning tube is fixedly arranged on the end cover of the cylinder barrel, a spring is sleeved outside the cleaning tube, and a silencer is arranged on the outer wall of the cylinder barrel. According to the technical scheme, the annular runner structure of the valve body is omitted, so that the sealing surface is reduced, and the height of the bottom column valve is saved. This technical scheme has increased the direction indicator pole, can make piston end cap can not the rotation when rising to when being full of the filler in the chromatography post, also can follow the chromatography post bucket outward visual observation bottom dress post valve and whether open, the direction indicator pole emits the cylinder end cover and opens for bottom dress post valve.
Description
Technical Field
The utility model relates to a bottom column-mounting valve which can be used in the technical field of biological pharmacy.
Background
The automatic chromatographic column in the current market adopts a side column valve for glue discharging, and meanwhile, the cleaning pipe is also arranged on the outer ring of the chromatographic column, so that the floor area of the chromatographic column is increased, and the cleaning pipe has the risk of collision. When the filler is drained, a plurality of column valves on the side surface are required to be opened simultaneously, and then the filler solution is pumped out of the column barrel at a certain flow rate by using an intelligent biological pump. Because the side-mounted structure of the column valve is arranged, a small amount of filler can not be pumped out from the bottom, the column barrel needs to be continuously injected with water for dilution and repeatedly pumped for several times until the pumped solution is clear water, so that the use of pure water is increased, and the filler drainage efficiency is greatly reduced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a bottom column-mounted valve.
The purpose of the utility model is realized by the following technical scheme: a bottom column valve comprises a valve body, a cylinder barrel, a packing joint, a collecting joint, a piston and a distributing plate, wherein the valve body and the cylinder barrel are fixedly arranged on the distributing plate through connecting pieces which sequentially penetrate through the cylinder barrel and the valve body to fix the bottom column valve on the distributing plate; the cleaning pipe is fixedly arranged on the end cover of the cylinder barrel, a spring is sleeved outside the cleaning pipe, a silencer is arranged on the outer wall of the cylinder barrel,
the sieve plate is arranged on the distributing plate, the valve body is connected on the distributing plate, the piston is arranged in the cylinder barrel and moves up and down in the cylinder barrel, the sealing ring is also arranged in the cylinder barrel,
the sealing gasket is arranged at the top of the piston cavity, and the bottom column valve further comprises a guide indicating rod which is in threaded connection with the bottom end face of the piston.
Preferably, the connecting piece is a long screw, the valve body and the cylinder barrel are connected in series to the distributing plate through the long screw, the distributing plate is provided with a threaded hole, the cylinder barrel and the valve body are provided with through holes matched with the threaded hole, and the long screw penetrates through the cylinder barrel and the valve body in sequence to fix the bottom pillar mounting valve to the distributing plate.
Preferably, the piston has two states, namely the filler inlet and the filler outlet are communicated with the cleaning pipe when the piston does not descend, and the filler inlet and the filler outlet are not communicated with the cleaning pipe when the piston descends.
Preferably, the cleaning pipe is welded on the cylinder end cover and is arranged integrally with the cylinder end cover, and the silencer is arranged on the outer wall of the cylinder in a threaded connection mode.
Preferably, the sealing ring is a Y-shaped sealing ring, and the sealing ring is arranged in a Y-shaped groove on the piston.
Preferably, the sieve plate is arranged on the distribution plate in a threaded mode, and the valve body is connected to the distribution plate in a threaded mode.
Preferably, the outer diameter of the sealing gasket is tightly matched with the inner hole of the piston,
preferably, the bottom pillar valve has two states, the guide indicating rod protrudes out of the end cover of the cylinder barrel to represent that the bottom pillar valve is opened, and the top of the piston is flush with the sieve plate to be regarded as the bottom pillar valve is closed.
Preferably, one side of the piston is provided with a screw hole, the connecting piece is tightly fixed on the side surface of the guide indicating rod, and the connecting piece is a fastening screw. The technical scheme of the utility model has the advantages that: the operation of column loading and unloading and cleaning is simpler and more convenient by using the bottom column loading valve, and the operation is embodied in the following aspects:
the technical scheme cancels an annular flow passage structure of the valve body, thereby not only reducing the sealing surface, but also saving the height of the bottom column valve;
the technical scheme is additionally provided with the guide indicating rod, so that the piston plug can not rotate when rising, and when the chromatographic column is filled with filler, whether the bottom column valve is opened or not can be visually observed from the outside of the chromatographic column barrel, and the guide indicating rod protrudes out of the end cover of the cylinder barrel to open the bottom column valve;
the filler collecting port and the target sample collecting port are both inclined downwards, so that the self-exhaustion of a pipeline can be realized, and the efficiency of collecting the filler and the target sample can be improved;
the external pipeline is clamped through the TC joint on the valve body, which means that the direction of the external pipeline can be properly adjusted according to the requirements of users.
Drawings
FIG. 1 is a schematic view of a bottom-mounted spool valve of the present invention.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.
The utility model discloses a bottom pillar valve, which comprises a valve body 1, a cylinder barrel 2, a filler joint 3, a collecting joint 4, a piston 5, a distributing plate 6, a spring 30, a cylinder barrel end cover 200 and a cleaning pipe 10, wherein the valve body 1 and the cylinder barrel 2 are fixedly arranged on the distributing plate through connecting pieces, specifically, in the technical scheme, the valve body 1 and the cylinder barrel 2 are connected in series to the distributing plate through long screws, threaded holes are formed in the distributing plate, through holes matched with the threaded holes are formed in the cylinder barrel and the valve body, and the long screws sequentially penetrate through the cylinder barrel 2 and the valve body 1 to fix the bottom pillar valve on the distributing plate. The device is convenient to operate, simple and rapid, and facilitates the technical personnel to overhaul and maintain the components in the operation process.
The filler joint 3 and the collecting joint 4 are fixed at the inclined planes at the two ends of the valve body 1, the piston has two states, namely, the filler inlet and the filler outlet are communicated with the cleaning pipe 10 when the piston does not descend, the filler inlet and the filler outlet are not communicated with the cleaning pipe 10 when the piston descends, and the collecting joint 4 is communicated with the solution in the chromatographic column.
The cleaning pipe 10 is fixedly arranged on the cylinder end cover 200, and specifically, in the technical scheme, the cleaning pipe is welded on the cylinder end cover and is integrally arranged with the cylinder end cover. The outside cover of scavenge pipe is equipped with spring 30, is provided with silencer 40 on the outer wall of cylinder, specifically, in this technical scheme, silencer threaded connection sets up on the cylinder outer wall.
The sieve plate 61 is arranged above the distribution plate 1 in a threaded mode, the valve body 1 is arranged below the distribution plate 6 in a threaded mode, the piston 5 is arranged inside the cylinder barrel, and the piston moves up and down inside the cylinder barrel. Still be provided with sealing washer 20 in the cylinder, in this technical scheme, sealing washer 20 is preferably Y type sealing washer, and the sealing washer sets up in the Y type groove on the piston.
Column assembling: the chromatographic column is cleaned, each connecting pipeline is connected and checked, the air source supply equipment is opened, the air pressure of the bottom column loading valve is slowly adjusted to 4bar by the air pressure reducing valve, the piston plug is lowered below the sieve plate or the guide indicating rod emerges out of the end cover of the cylinder barrel through visual observation, the packing solution is injected into the column barrel at a certain flow speed by the intelligent biological pump, the packing solution is loaded, the air pressure of the bottom column loading valve is unloaded, the bottom column loading valve is in a closed state, the upper plane of the piston plug and the sieve plate are flush and regarded as that the bottom column loading valve is closed, and the column loading process is finished at the moment.
Collecting filtrate: and ensuring that the bottom column valve is in a closed state, pumping sample solution into a piston joint of the chromatographic column, and collecting a target sample from a collecting joint of the bottom column valve.
Column unloading: after the target sample is collected, the bottom column valve is still in a closed state, pure water is pumped from the sample outlet through the intelligent pump, the filler solution is continuously diluted, and pressurized water injection is stopped after the filler is completely diluted. Whether the post pipeline that unloads is connected once more at this time, open air supply equipment, will load the atmospheric pressure of post valve with the automation with air relief valve and slowly adjust to 4bar, guarantee through the vision that bottom loaded the post valve and open, outside the post bucket is taken out with certain velocity of flow to packing solution by the intelligence biological pump again, once only the extraction finishes, and the bottom can have a small amount of fillers and can't take out, need inject into pure water dilution once more in the post bucket and take out remaining filler to the greatest extent.
Cleaning a bottom column valve: when the column valve at the bottom is closed, the filler inlet and outlet and the cleaning pipe are in a communicated state, the intelligent biological pump is started, the cleaning water is injected into the column valve, and meanwhile, the waste liquid after cleaning needs to be properly collected and processed in a centralized manner.
The operation of column loading and unloading and cleaning is simpler and more convenient by using the bottom column loading valve, and the operation is embodied in the following aspects: the annular flow passage structure of the valve body is eliminated, so that the sealing surface is reduced, and the height of the bottom column valve is saved; the guide indicating rod is additionally arranged, so that the piston plug cannot rotate when rising, and when the chromatographic column is filled with filler, whether the bottom column valve is opened or not can be visually observed from the outside of the chromatographic column barrel, and the guide indicating rod protrudes out of the end cover of the cylinder barrel to open the bottom column valve; the filler collecting port and the target sample collecting port are both inclined downwards, so that the self-exhaustion of a pipeline can be realized, and the efficiency of collecting the filler and the target sample can be improved; the external pipeline is clamped through the TC joint on the valve body, which means that the direction of the external pipeline can be properly adjusted according to the requirements of users.
The utility model has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the utility model.
Claims (9)
1. A bottom-mounted spool valve characterized by: comprises a valve body (1), a cylinder barrel (2), a filler joint (3), a collecting joint (4), a piston (5) and a distributing plate (6),
the valve body (1) and the cylinder barrel (2) are fixedly arranged on the distribution plate (6) through connecting pieces, the connecting pieces sequentially penetrate through the cylinder barrel (2) and the valve body (1) to fix the bottom column-mounting valve on the distribution plate (6), the packing joint (3) and the collecting joint (4) are fixed on inclined planes at two ends of the valve body (1), and the collecting joint (4) is communicated with a solution in the chromatographic column;
the cleaning pipe (10) is fixedly arranged on the cylinder end cover (200), a spring (30) is sleeved outside the cleaning pipe, a silencer (40) is arranged on the outer wall of the cylinder, the sieve plate (61) is arranged on the distributing plate (6), the valve body (1) is connected on the distributing plate (6), the piston (5) is arranged inside the cylinder and moves up and down in the cylinder, a sealing ring (20) is also arranged in the cylinder,
the sealing gasket (60) is arranged at the top of the piston cavity, the bottom column valve further comprises a guide indicating rod (50), and the guide indicating rod (50) is in threaded connection with the bottom end face of the piston.
2. A bottom-loading column valve as defined in claim 1, wherein: the connecting piece is a long screw, the valve body (1) and the cylinder barrel (2) are connected in series to the distributing plate (6) through the long screw, a threaded hole is formed in the distributing plate, through holes matched with the threaded holes are formed in the cylinder barrel (2) and the valve body (1), and the long screw penetrates through the cylinder barrel (2) and the valve body (1) in sequence to fix the bottom column-mounting valve to the distributing plate (6).
3. A bottom-loading column valve as defined in claim 1, wherein: the piston has two states, namely the filler inlet and the filler outlet are communicated with the cleaning pipe (10) when the piston does not descend, and the filler inlet and the filler outlet are not communicated with the cleaning pipe (10) when the piston descends.
4. A bottom-loading column valve as defined in claim 1, wherein: the cleaning tube is welded on the cylinder end cover and is integrally arranged with the cylinder end cover, and the silencer is in threaded connection with the outer wall of the cylinder.
5. A bottom-loading column valve as defined in claim 1, wherein: the sealing ring (20) is preferably a Y-shaped sealing ring, and the sealing ring is arranged in a Y-shaped groove on the piston.
6. A bottom-loading column valve as defined in claim 1, wherein: the sieve plate (61) is arranged above the distributing plate (6) in a threaded mode, and the valve body (1) is arranged below the distributing plate (6) in a threaded mode.
7. A bottom-loading column valve as defined in claim 1, wherein: the outer diameter of the sealing gasket (60) is tightly matched with the inner hole of the piston (5).
8. A bottom-loading column valve as defined in claim 1, wherein: the bottom column valve has two states, the guide indicating rod protrudes out of the end cover of the cylinder barrel to represent that the bottom column valve is opened, and the top of the piston is flush with the sieve plate to be regarded as the bottom column valve is closed.
9. A bottom-loading column valve as defined in claim 1, wherein: one side of the piston is provided with a screw hole, the connecting piece is tightly fixed on the side surface of the guide indicating rod, and the connecting piece is a fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122173514.5U CN216247379U (en) | 2021-09-09 | 2021-09-09 | Bottom pillar-mounting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122173514.5U CN216247379U (en) | 2021-09-09 | 2021-09-09 | Bottom pillar-mounting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216247379U true CN216247379U (en) | 2022-04-08 |
Family
ID=80984523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122173514.5U Active CN216247379U (en) | 2021-09-09 | 2021-09-09 | Bottom pillar-mounting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216247379U (en) |
-
2021
- 2021-09-09 CN CN202122173514.5U patent/CN216247379U/en active Active
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