CN218674880U - Novel chromatographic packing column - Google Patents

Abstract

The utility model relates to the field of chromatographic columns, in particular to a novel chromatographic packed column, which comprises a column body; the device comprises a chromatographic column, wherein two ends of the chromatographic column are fixedly connected with sealing seats, the circumferential surfaces of the two sealing seats are rotationally connected with connecting nuts, and anti-reverse components for preventing the connecting nuts from reversely connected and loosened are arranged on the surfaces of the two sealing seats; and want to be connected chromatographic column and chromatograph when the staff, can insert the chromatograph joint in coupling nut this moment, will prevent the unblock of reverse rotation subassembly simultaneously, this moment rotate coupling nut and chromatograph and be connected, so coupling nut promotes to open the subassembly and opens sealing component, with chromatographic column and chromatograph articulate, want to dismantle the chromatographic column when the staff, can unblock prevent reverse rotation subassembly this moment, reverse coupling nut dismantles coupling nut and chromatograph simultaneously, automatic closing subassembly promotes sealing component is automatic to the seal receptacle inner seal this moment, need not install the sealing cap, it is more convenient in the difficult entering chromatographic column of air simultaneously.

Description

Novel chromatographic packing column

Technical Field

The utility model relates to a chromatographic column field, very much relate to a novel chromatogram packed column.

Background

The chromatographic column is installed in the chromatograph, utilize inside filler to carry out the device that the chromatography detected with the gaseous state or the liquid separation of detecting material that gets into, install, need reduce the inside filler of chromatographic column and air contact when using and placing, prevent that air and other pollutants from can getting into the instrument through the sealed department of chromatographic column, thereby disturb the performance of chromatographic column and detector, among the prior art, when the chromatographic column when changing and installing, need dismantle the chromatographic column joint at installation both ends, make chromatographic column connection chromatograph, still need dismantle installation chromatographic column sealing cap simultaneously and prevent that the chromatographic column from getting into the air, it is comparatively troublesome, and chromatographic column and chromatograph nut generally can not screw up too tightly, the nut is easily reversed the pine and takes off, lead to the leakproofness variation.

Therefore, a novel packed column for chromatography is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutting device convenient to it is clean just to solve above-mentioned problem, when having improved in dismantling the sealed cap in chromatographic column both ends then the connecting instrument, the air gets into the chromatographic column easily and causes the pollution, and chromatographic column and chromatograph nut generally can not screw up too tightly, and the nut is the pine that reverses easily and takes off, leads to the problem of leakproofness variation.

The utility model discloses a novel chromatographic packed column, chromatographic column, the both ends of chromatographic column all are fixedly connected with the seal receptacle, the circumferential surface of two said seal receptacles all rotates and is connected with the coupling nut two said seal receptacle surface all is provided with and is used for preventing the coupling nut from reversing the anti-reverse component that the connection is loose and taken off of connecting nut; and the automatic sealing mechanism is provided with two groups, each group comprises a sealing component used for sealing the inner wall of the sealing seat, preventing air from entering the chromatographic column, an opening component used for opening the sealing component when in use, and an automatic closing component used for resetting and closing the sealing component when the chromatographic column is not used, the sealing component is arranged on the inner side of the sealing seat, the opening component is arranged on the upper side of the sealing component, and the automatic closing component is arranged on the upper side of the sealing seat.

Preferably, every group prevent that the subassembly that reverses all includes first spring, installation piece and rotation fixed block, installation piece fixed connection is in the circumferential surface of chromatographic column, first spring fixed connection is in the one end of installation piece, rotate the one end of fixed block fixed connection in first spring, it comparatively laminates with coupling nut's surface to rotate the fixed block sliding connection and coupling nut's surface and rotate the inner wall of fixed block, can prevent through preventing that the coupling nut who is connected with the instrument from loosening and taking off, leads to the air admission leakproofness variation.

Preferably, the first telescopic link of one end fixedly connected with of installation piece, the one end of first telescopic link and the inner wall fixed connection who rotates the fixed block, the circumference surface of first telescopic link is located to first spring housing, and when first spring promoted the surface of rotating fixed block laminating coupling nut for coupling nut is difficult for taking place to rotate, and elastic deformation takes place easily and leads to damaging first spring, can support first spring through first telescopic link this moment, makes the difficult elastic deformation that takes place of first spring.

Preferably, the sealing assembly comprises a sealing plug and a sealing rubber pad, the sealing plug is slidably connected to the inner wall of the sealing seat, the sealing rubber pad is fixedly connected to the inner wall of the sealing seat, the diameter of the sealing plug is larger than the inner diameter of the sealing rubber pad, and the sealing rubber pad and the sealing plug are in elastic interference fit through the sealing rubber pad to seal the joint of the sealing plug and the sealing seat.

Preferably, it is including sealed hollow pad and a plurality of catch bar, a plurality of to open the subassembly the equal fixed connection of catch bar in the upper end of sealing plug, sealed hollow pad fixed connection in the upper end of a plurality of catch bars, when the staff wants to be connected this device with the chromatograph, the attach fitting of chromatograph is sealed pad for middle thin conveying pipeline external fixation round platform shape, the upside of sealed hollow pad also can laminate sealedly for round platform shape and round platform shape are sealed, be connected with the chromatograph when the chromatographic column, can make joint and chromatographic column internal connection through opening the subassembly, can use, the sealed pad of chromatograph seals up and seals up the junction with sealed hollow simultaneously.

Preferably, the self-closing subassembly includes two connecting blocks and second spring, two the equal fixed connection of connecting block is in the one end of sealed hollow pad, two the one end of second spring all with seal receptacle fixed connection, two the other end of second spring respectively with two connecting block fixed connection, can be when people dismantle chromatographic column and chromatograph through the self-closing subassembly, close seal assembly this moment automatically for the air is difficult to cause the pollution in getting into the chromatographic column through coupling nut and seal receptacle.

Preferably, two second telescopic links of one end fixedly connected with of seal receptacle, two the one end of second telescopic link respectively with two connecting block fixed connection, two the circumference surface of two second telescopic links is located to the second spring cover respectively, when the second spring promotes seal assembly and resets, when sealing up in the seal receptacle, the second spring takes place elastic deformation easily and damages, can support the seal receptacle through the second telescopic link this moment for the difficult elastic deformation that takes place of seal receptacle.

The utility model has the advantages that:

1. when a worker wants to connect the chromatographic column with the chromatograph, the chromatograph joint can be inserted into the connecting nut, the anti-reverse rotation assembly is unlocked, the connecting nut is rotated to be connected with the chromatograph, the connecting nut pushes the opening assembly to open the sealing assembly, the chromatographic column is connected with the chromatograph joint, when the worker wants to disassemble the chromatographic column, the anti-reverse rotation assembly can be unlocked, the connecting nut is reversely rotated to disassemble the connecting nut from the chromatograph, the automatic closing assembly pushes the sealing assembly to automatically seal the sealing seat, a sealing cap is not required to be installed, and meanwhile, air is not easy to enter the chromatographic column conveniently;

2. through setting up the second telescopic link, can promote seal assembly at the second spring and reset, when sealing up in the seal receptacle, support the seal receptacle through the second telescopic link for the seal receptacle is difficult for taking place elastic deformation and damages.

Drawings

FIG. 1 is a front perspective view of a novel chromatographic packed column;

fig. 2 is an enlarged view of a in fig. 1 according to the present invention;

fig. 3 is a first perspective view of the present invention;

fig. 4 is an enlarged view of B in fig. 4 according to the present invention.

In the figure: 1. a chromatographic column; 2. a connecting nut; 3. a first spring; 4. a first telescopic rod; 5. rotating the fixed block; 6. a sealing plug; 7. sealing the rubber pad; 8. a push rod; 9. sealing the hollow gasket; 10. connecting blocks; 11. a second spring; 12. a second telescopic rod; 13. a sealing seat; 14. and (7) installing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-4, a novel chromatographic packed column, a chromatographic column 1, wherein two ends of the chromatographic column 1 are fixedly connected with sealing seats 13, the circumferential surfaces of the two sealing seats 13 are rotatably connected with connecting nuts 2, and anti-reverse components for preventing the connecting nuts 2 from reversing, connecting and loosening are arranged on the surfaces of the two sealing seats 13; and two groups of automatic sealing mechanisms, each group of automatic sealing mechanisms comprises a sealing component used for sealing the inner wall of the sealing seat 13 and preventing air from entering the chromatographic column 1, an opening component for opening the sealing component when in use, an automatic closing component for resetting and closing the sealing component when the chromatographic column 1 is not in use, the sealing component is arranged at the inner side of the sealing seat 13, the opening component is arranged at the upper side of the sealing component, the automatic closing component is arranged at the upper side of the sealing seat 13, when a worker wants to connect the chromatographic column 1 with the chromatographic instrument, the joint of the chromatographic instrument can be inserted into the connecting nut 2, the joint of the chromatographic instrument is a rear-end threaded hollow column, the middle thin conveying pipe inside the column, the middle thin conveying pipe at the front end and a truncated cone-shaped sealing gasket fixed outside the column, the joint conveying pipe is inserted into the automatic opening assembly, the truncated cone-shaped sealing gasket is abutted against the automatic opening assembly, simultaneously, the anti-reverse rotation component is unlocked, the connecting nut 2 is rotated to be connected with the chromatograph, then the connecting nut 2 pushes the circular table sealing gasket of the connector, the opening component opens the sealing component, the chromatographic column 1 is connected with the chromatograph connector, the anti-reverse rotation component is loosened, so that the connecting nut 2 is not easy to loosen and rotate, the chromatographic column 1 can be used in a chromatograph, when a worker wants to disassemble the chromatographic column 1, the anti-reverse assembly can be unlocked, meanwhile, the connecting nut 2 is reversely rotated to disassemble the connecting nut 2 from the chromatograph, the automatic closing component pushes the sealing component to automatically seal the sealing seat 13 without installing a sealing cap, and meanwhile, air is not easy to enter the chromatographic column 1 more conveniently, the chromatography column 1 is prior art to the skilled person and will not be described in any greater detail here.

As shown in fig. 1, fig. 2 and fig. 3, every group prevents that reverse rotation subassembly all includes first spring 3, installation block 14 and rotation fixed block 5, installation block 14 fixed connection is in the circumferential surface of chromatographic column 1, first spring 3 fixed connection is in the one end of installation block 14, rotate fixed block 5 fixed connection in the one end of first spring 3, it is comparatively laminated with coupling nut 2's surface and the inner wall that rotates fixed block 5 to rotate fixed block 5 sliding connection, when needs are dismantled or installation coupling nut 2, downwardly pulling rotates fixed block 5 this moment, then rotate fixed block 5 with first spring 3 tensile, it does not contact with coupling nut 2 to rotate fixed block 5 simultaneously, coupling nut 2 can the free rotation this moment, it accomplishes to connect nut 2 installation as people, when will prevent coupling nut 2 reversal pine taking off, will rotate fixed block 5 to loosen this moment, first spring 3 pulling rotation fixed block 5 slides to coupling nut 2 surface this moment, it connects nut 2's surface to rotate fixed block 5, make coupling nut 2 be difficult for coupling nut 2 not take place to rotate, the one end fixedly connected block 4 of installation block 14, the one end of first telescopic link 4 overlaps the fixed block 5 and rotates the fixed block 3 and rotates the surface and leads to first spring 3 to take place the first spring 3 and to rotate the first spring 3 and to connect the first telescopic link to change shape when the telescopic link 3, make the first spring 3 is difficult to take place the first spring 3 elastic connection nut 3 and connect the flexible deformation when the telescopic link and connect the telescopic link to rotate the telescopic link.

As shown in fig. 3 and 4, the opening assembly comprises a hollow sealing pad 9 and a plurality of push rods 8, the plurality of push rods 8 are all fixedly connected to the upper end of a sealing plug 6, the hollow sealing pad 9 is fixedly connected to the upper ends of the plurality of push rods 8, when a worker wants to connect the device with a chromatograph, the connection joint of the chromatograph is a truncated cone-shaped sealing pad fixed outside a middle thin feed pipe, the upper side of the hollow sealing pad 9 is also truncated cone-shaped and can be attached and sealed with the truncated cone-shaped sealing pad, when the worker wants to connect the chromatograph with a chromatographic column 1, the feed pipe of the chromatograph joint is firstly inserted into the hollow sealing pad 9, the upper side of the hollow sealing pad 9 is also truncated cone-shaped, at the moment, the truncated cone-shaped sealing pad of the chromatograph joint is attached and abutted to the upper side of the hollow sealing pad 9, at the moment, the connection nut 2 is rotated to be connected with the chromatograph joint, so that the chromatograph joint pushes the hollow sealing pad 9 and the plurality of push rods 8 until the push rods 8 enter the chromatographic column 1, the hollow sealing pad 9 and the sealing pad are attached to be connected with a second connecting block, when the inner wall of the chromatographic column is attached and sealed with the second connecting block 10, the inner diameter of the second connecting block, the second connecting block is closed by two automatic detecting springs, the two connecting blocks of the second connecting block 10, the second connecting block which are both fixed in the chromatographic column, when the chromatographic column and the chromatographic column, the second connecting block and the second connecting block 10, at the moment, the sealing assembly is automatically closed, so that air is not easy to enter the chromatographic column 1 through the connecting nut 2 and the sealing seat 13 to cause pollution, when a worker reversely rotates the connecting nut 2 to disassemble, the connecting nut 2 no longer pushes the chromatographic instrument joint, then the second spring 11 pushes the connecting block 10 to ascend, meanwhile the connecting block 10 pushes the sealing hollow gasket 9, the push rods 8 and the sealing assembly to ascend, the sealing assembly seals the inner wall of the sealing seat 13, one end of the sealing seat 13 is fixedly connected with the two second telescopic rods 12, one end of each of the two second telescopic rods 12 is respectively and fixedly connected with the two connecting blocks 10, the two second springs 11 are respectively sleeved on the circumferential surfaces of the two second telescopic rods 12, when the second spring 11 pushes the sealing assembly to reset, and when the sealing seat 13 is sealed, the second spring 11 is easily damaged by elastic deformation, can support seal receptacle 13 through second telescopic link 12 this moment, make seal receptacle 13 be difficult for taking place elastic deformation, upwards stimulate connecting block 10 as second spring 11, sealed hollow gasket 9 and a plurality of catch bar 8 rise, 8 pulling sealing plugs 6 of a plurality of catch bar slide to the inner wall of seal receptacle 13 this moment, sealing plugs 6 and sealed hollow gasket 9's diameter is greater than sealing rubber pad 7's internal diameter, sealing plugs 6 and sealed hollow gasket 9 pass through sealing rubber pad 7's elasticity interference fit, seal the inner wall junction of seal receptacle 13, coupling nut 2 is dismantled this moment, coupling nut 2 at 1 both ends of chromatographic column is all dismantled the back, directly accomodate alright with chromatographic column 1, the air is blockked by sealing plugs 6 and seal receptacle 13's sealed, be difficult for getting into chromatographic column 1 in, it is more convenient to compare rotatory installation sealing cap.

When the utility model is used, when a worker wants to connect a chromatographic column 1 with a chromatograph, the conveying pipeline of a chromatograph joint can be inserted into a sealed hollow gasket 9, the circular truncated cone sealing gasket of the chromatograph joint is abutted against the upper side of the sealed hollow gasket 9, then the rotating fixing block 5 is pulled downwards, the rotating fixing block 5 stretches a first spring 3, the rotating fixing block 5 is not contacted with a connecting nut 2, the connecting nut 2 is rotated to connect the connecting nut 2 with the chromatograph joint, the connecting nut 2 pushes the chromatograph joint to extrude the sealed hollow gasket 9 and a plurality of push rods 8, and simultaneously compresses a second spring 11 until the push rods 8 and a sealing plug 6 enter the chromatographic column 1, the surface of the sealed hollow gasket 9 is laminated and sealed with a sealing rubber gasket 7 and a sealing seat 13, the inner wall of the sealed hollow gasket 9 is laminated and sealed with the circular truncated cone sealing gasket, at the moment, a detected object in the conveying pipeline can enter the chromatographic column 1 through the gaps of the plurality of push rods 8, the chromatographic column 1 is communicated with the chromatograph joint, the rotary fixed block 5 is loosened, the first spring 3 pulls the rotary fixed block 5 to slide to the surface of the connecting nut 2, the rotary fixed block 5 is attached to the surface of the connecting nut 2, so that the connecting nut 2 is not easy to rotate, the connection between the connecting nut 2 and the chromatograph joint is not easy to loosen due to random rotation, the connection between the chromatographic column 1 and the chromatograph is completed at the moment, when a worker wants to disassemble the chromatographic column 1, the anti-inversion assembly is unlocked at the moment, the connecting nut 2 is simultaneously inverted, the connecting nut 2 is disassembled, then the connecting nut 2 does not pull the chromatograph joint to abut against the sealed hollow gasket 9 any more, at the moment, the diastole force of the second spring 11 pushes the connecting block 10 to ascend, then the sealed hollow gasket 9 and the plurality of push rods 8 are pulled by the connecting block 10 to ascend, 8 pulling sealing plugs 6 of a plurality of catch bars get into seal receptacle 13 inner wall, make seal receptacle 13 inner wall sealed through the laminating of sealing plugs 6 and sealing rubber pad 7, the air is difficult for entering into in chromatographic column 1, just accomplished the dismantlement to chromatographic column 1 this moment, the installation and the dismantlement of chromatographic column 1 only need the unblock to prevent the subassembly that turns back, rotate coupling nut 2 with chromatographic column 1 both ends simultaneously and dismantle or connect alright, it is more convenient not need to dismantle the installation sealing cap, prevent the subassembly that turns back simultaneously can make coupling nut 2 be difficult for rotating at will, make the sealed of this device more stable.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A novel chromatographic packed column, comprising: the device comprises a chromatographic column (1), wherein two ends of the chromatographic column (1) are fixedly connected with sealing seats (13), the circumferential surfaces of the two sealing seats (13) are rotatably connected with connecting nuts (2), and anti-reverse components for preventing the connecting nuts (2) from reversely rotating and loosening are arranged on the surfaces of the two sealing seats (13); and

the automatic sealing mechanism is provided with two sets, each set and comprises a sealing component used for sealing the inner wall of a sealing seat (13), preventing air from entering a chromatographic column (1), an opening component used for opening the sealing component when in use and an automatic closing component used for resetting and closing the sealing component when the chromatographic column (1) is not used, the sealing component is arranged on the inner side of the sealing seat (13), the opening component is arranged on the upper side of the sealing component, and the automatic closing component is arranged on the upper side of the sealing seat (13).

2. The novel chromatographic packed column according to claim 1, characterized in that: every group prevent reverse subassembly all includes first spring (3), installation piece (14) and rotation fixed block (5), installation piece (14) fixed connection is in the circumferential surface of chromatographic column (1), first spring (3) fixed connection is in the one end of installation piece (14), rotate fixed block (5) fixed connection in the one end of first spring (3), it just rotates the inner wall of fixed block (5) and the surface of coupling nut (2) and comparatively laminates to rotate the surface of fixed block (5) sliding connection and coupling nut (2).

3. The novel chromatographic packed column according to claim 2, characterized in that: the one end fixedly connected with first telescopic link (4) of installation piece (14), the one end of first telescopic link (4) and the inner wall fixed connection who rotates fixed block (5), the circumference surface of first telescopic link (4) is located in first spring (3) cover.

4. The novel chromatographic packed column according to claim 1, characterized in that: the sealing assembly comprises a sealing plug (6) and a sealing rubber pad (7), the sealing plug (6) is connected to the inner wall of the sealing seat (13) in a sliding mode, and the sealing rubber pad (7) is fixedly connected to the inner wall of the sealing seat (13).

5. The novel chromatographic packed column according to claim 1, characterized in that: the opening assembly comprises a sealing hollow gasket (9) and a plurality of push rods (8), the push rods (8) are fixedly connected to the upper end of the sealing plug (6), and the sealing hollow gasket (9) is fixedly connected to the upper ends of the push rods (8).

6. The novel chromatographic packed column according to claim 1, characterized in that: the automatic closing assembly comprises two connecting blocks (10) and two second springs (11), wherein the two connecting blocks (10) are fixedly connected to one end of the sealing hollow gasket (9) respectively, the two ends of the second springs (11) are fixedly connected with the sealing seat (13) respectively, and the two ends of the second springs (11) are fixedly connected with the two connecting blocks (10) respectively.

7. The novel chromatographic packed column according to claim 6, characterized in that: one end of the sealing seat (13) is fixedly connected with two second telescopic rods (12), one end of each second telescopic rod (12) is fixedly connected with the two connecting blocks (10), and the two second springs (11) are sleeved on the circumferential surfaces of the two second telescopic rods (12) respectively.

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