CN219440755U - Just, tear formula pre-installation post open - Google Patents

Abstract

The utility model discloses a conveniently-disassembled preassembled column, which comprises a column body with an open top, wherein a filtering assembly is arranged in the column body, a liquid outlet assembly is arranged at the bottom of the column body, and a plurality of guide rods are fixedly connected with the top of the outer side wall of the column body in the circumferential direction; the top of the column body is detachably connected with a plunger, a liquid inlet component communicated with the inner cavity of the column body is arranged on the plunger, a plurality of guide grooves are formed in the side wall of the plunger, the guide grooves are arranged in one-to-one correspondence with the guide rods and are in sliding connection with the guide rods, an annular chute communicated with the guide grooves is formed in the bottom of the plunger, the annular chute is in sliding connection with the side wall of the column body, and the annular chute is in butt joint with the top surface of the column body; the outer side wall of the column body is circumferentially provided with a plurality of positioning holes, the plunger is provided with a positioning assembly, and the positioning assembly is detachably connected with the plurality of positioning holes. The positions of the guide rod and the guide groove are convenient to observe, the operation convenience is improved, the positioning assembly can be quickly and accurately connected with the positioning hole, and the disassembly and assembly efficiency is improved.

Description

Just, tear formula pre-installation post open

Technical Field

The utility model relates to the technical field of preassembled columns, in particular to a detachable preassembled column.

Background

The preassembled column is used for purifying protein and protecting the activity of target protein, and is convenient for purifying recombinant protein with maltose binding protein label.

The Chinese patent with publication number CN217041401U discloses a quick-release glass pre-assembled column, when an end cover is installed, a locating pin and a locating groove are aligned and inserted, a fixing ring extrudes a fixing rod, and under the action of restoring force of a connecting spring, a fixing tooth is inserted into the fixing groove for locating; because the locating groove is positioned on the inner bottom surface of the end cover, an operator cannot observe the positions of the locating pin and the locating groove when the end cover is installed, and the installation efficiency of the locating pin and the locating groove is reduced; secondly, connecting spring lug connection is on the dead lever, and when the installation end cover, the top of dead lever is at first extruded to the solid fixed ring for whole dead lever atress is uneven, and the dislocation of buckling takes place for the spring easily, leads to the difficult alignment of fixed tooth to insert in the fixed slot, makes the end cover unable by effectual location.

For this purpose, a ready-to-detach pre-installed column is proposed.

Disclosure of Invention

The utility model aims to provide a detachable preassembled column, which aims to solve or improve at least one of the technical problems.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a conveniently-detached preassembled column which comprises a column body with an open top, wherein a filtering assembly is arranged in the column body, a liquid outlet assembly is arranged at the bottom of the column body, and a plurality of guide rods are fixedly connected to the top of the outer side wall of the column body in the circumferential direction;

the top of the cylinder is detachably connected with a plunger, a liquid inlet component communicated with the inner cavity of the cylinder is arranged on the plunger, a plurality of guide grooves are formed in the side wall of the plunger, the guide grooves are in one-to-one correspondence with the guide rods and are in sliding connection with the guide rods, an annular chute communicated with the guide grooves is formed in the bottom of the plunger, the annular chute is in sliding connection with the side wall of the cylinder, and the annular chute is abutted to the top surface of the cylinder;

the cylinder outer side wall circumference has offered a plurality of locating holes, install locating component on the plunger, locating component with a plurality of locating hole detachable connection.

Preferably, one end of the annular chute, which is far away from the column body, is provided with a plurality of first chutes, the plurality of first chutes and the plurality of positioning holes are arranged in one-to-one correspondence, and one end of the first chute, which is far away from the annular chute, is provided with a second chute;

the positioning assembly comprises a sleeve which is in sliding connection with the first sliding groove, the sleeve is in sliding connection with the positioning hole, a spring is fixedly connected between the inner wall of the sleeve and the first sliding groove, the inner wall of the sleeve is rotationally connected with a sliding rod through a clamping block, the spring is sleeved outside the sliding rod, the sliding rod extends out of the sleeve and is in sliding connection with the second sliding groove, the sliding rod extends out of the second sliding groove and is fixedly connected with a handle, and the clamping assembly is mounted on the sliding rod and is detachably connected with the plunger.

Preferably, the side wall of the plunger is provided with a plurality of first grooves, the first grooves and the second sliding grooves are arranged in one-to-one correspondence, one end of the first grooves, which is far away from the outer side wall of the plunger, is provided with an annular groove, one end of the annular groove, which is close to the first grooves, is provided with a clamping groove, the clamping groove is perpendicular to the first grooves, and the first grooves, the annular grooves and the clamping grooves are all communicated with the second sliding grooves;

the clamping assembly comprises a positioning rod fixedly connected to the side wall of the sliding rod, the positioning rod is in sliding connection with the first groove and the annular groove, and the positioning rod is clamped with the clamping groove.

Preferably, the liquid outlet component comprises a liquid outlet pipe fixedly connected to the bottom of the column body, the liquid outlet pipe is communicated with the inner cavity of the column body, the bottom of the liquid outlet pipe is in threaded connection with a bottom cover, and the liquid outlet pipe is located below the filtering component.

Preferably, the liquid inlet component comprises a liquid inlet channel arranged on the plunger, the liquid inlet channel is communicated with the inner cavity of the plunger, a clamping plug is clamped at the top of the liquid inlet channel, and the liquid inlet channel is positioned above the filtering component.

Preferably, the filter assembly comprises an upper filter plate and a lower filter plate, and the upper filter plate and the lower filter plate are both placed in the inner cavity of the column body.

Preferably, a second annular groove is formed in the top surface of the cylinder, an annular clamping block is fixedly connected to the annular sliding groove, and the annular clamping block is clamped with the second annular groove.

Preferably, a rubber pad is fixedly connected to the second annular groove, and the bottom of the annular clamping block is abutted to the rubber pad.

The utility model discloses the following technical effects: the matrix packing is filled between the filtering components in the column body, then the plunger is installed, when the plunger is installed, the guide rod is aligned with the guide groove and then is pressed downwards, the guide rod is arranged on the outer side wall of the column body, the guide groove is arranged on the side wall of the plunger, the guide groove is convenient for operators to observe, the operation convenience is improved, the guide rod slides in the guide groove to guide the plunger, so that when the annular sliding groove is abutted to the top surface of the column body, the positioning components are opposite to a plurality of positioning holes, then the positioning components are connected to the positioning holes to position the plunger, the plunger is prevented from sliding out due to the internal pressure of the column body, after the installation is finished, liquid is added into the chromatographic packing in the inner cavity of the column body through the liquid inlet component, then flows out through the liquid outlet component, the filtering components entrap the chromatographic packing, and the chromatographic packing is prevented from flowing out; when the plunger is opened, the positioning assembly is detached from the positioning hole, and the plunger is pulled out; the positions of the guide rod and the guide groove are convenient to observe, the operation convenience is improved, the positioning assembly can be quickly and accurately aligned to the positioning hole for connection, and the disassembly and assembly efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a cross-sectional view of B-B of FIG. 1;

FIG. 4 is a schematic view of the structure of the sleeve and the positioning hole before installation

FIG. 5 is a schematic view of the structure of the guide groove and the guide rod according to the present utility model;

wherein, 1, a column body; 2. a guide rod; 3. a plunger; 4. a guide groove; 5. an annular chute; 6. positioning holes; 7. a first chute; 8. a second chute; 9. a sleeve; 10. a spring; 11. a slide bar; 12. a handle; 13. a first groove; 14. an annular groove; 15. a clamping groove; 16. a positioning rod; 17. a liquid outlet pipe; 18. a bottom cover; 19. a liquid inlet channel; 20. a blocking plug; 21. a filter plate is arranged; 22. a lower filter plate; 23. a second annular groove; 24. an annular clamping block; 25. a rubber pad; 26. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-5, the utility model provides a conveniently-disassembled preassembled column, which comprises a column body 1 with an open top, wherein a filtering component is arranged in the column body 1, a liquid outlet component is arranged at the bottom of the column body 1, and a plurality of guide rods 2 are fixedly connected with the top of the outer side wall of the column body 1 in the circumferential direction;

the top of the column body 1 is detachably connected with a plunger 3, a liquid inlet component communicated with the inner cavity of the column body 1 is mounted on the plunger 3, a plurality of guide grooves 4 are formed in the side wall of the plunger 3, the guide grooves 4 are in one-to-one correspondence with the guide rods 2 and are in sliding connection, an annular chute 5 communicated with the guide grooves 4 is formed in the bottom of the plunger 3, the annular chute 5 is in sliding connection with the side wall of the column body 1, and the annular chute 5 is in abutting connection with the top surface of the column body 1;

a plurality of positioning holes 6 are formed in the circumferential direction of the outer side wall of the cylinder 1, a positioning assembly is arranged on the plunger 3, and the positioning assembly is detachably connected with the positioning holes 6;

filling matrix fillers between filter components in a column 1, installing a plunger 3, aligning a guide rod 2 with a guide groove 4 and then pressing the plunger 3 downwards when the plunger 3 is installed, arranging the guide rod 2 on the outer side wall of the column 1, arranging the guide groove 4 on the side wall of the plunger 3, both facilitating the observation of operators, improving the operation convenience, sliding the guide rod 2 in the guide groove 4 to guide the plunger 3, enabling an annular chute 5 to be opposite to a plurality of positioning holes 6 when the annular chute 5 is abutted to the top surface of the column 1, connecting the positioning components on the positioning holes 6 to position the plunger 3, preventing the plunger 3 from sliding out due to the internal pressure of the column 1, adding liquid through a liquid inlet component after the installation, allowing the liquid to enter the chromatographic fillers in the inner cavity of the column 1, and then flowing out through a liquid outlet component, wherein the filter components trap the chromatographic fillers and prevent the chromatographic fillers from flowing out; when the plunger 3 is opened, the positioning assembly is detached from the positioning hole 6, and the plunger 3 is pulled out; the positions of the guide rod 2 and the guide groove 4 are convenient to observe, the operation convenience is improved, the positioning assembly can be quickly and accurately connected with the positioning hole 6, and the disassembly and assembly efficiency is improved.

In a further optimization scheme, one end of the annular chute 5, which is far away from the column body 1, is provided with a plurality of first chute 7, the plurality of first chute 7 are arranged in one-to-one correspondence with the plurality of positioning holes 6, and one end of the first chute 7, which is far away from the annular chute 5, is provided with a second chute 8; the diameter of the first chute 7 is larger than that of the second chute 8;

the positioning assembly comprises a sleeve 9 which is in sliding connection with the first chute 7, the sleeve 9 is in sliding connection with the positioning hole 6, a spring 10 is fixedly connected between the inner wall of the sleeve 9 and the first chute 7, the inner wall of the sleeve 9 is rotationally connected with a slide bar 11 through a clamping block 26, the spring 10 is sleeved outside the slide bar 11, the slide bar 11 extends out of the sleeve 9 and is in sliding connection with the second chute 8, the slide bar 11 extends out of the second chute 8 and is fixedly connected with a handle 12, the slide bar 11 is provided with a clamping assembly, and the clamping assembly is detachably connected with the plunger 3; the handle 12 is provided with anti-slip patterns (not shown in the figure) for preventing the hand from sliding;

a plurality of first grooves 13 are formed in the side wall of the plunger 3, the first grooves 13 and the second sliding grooves 8 are arranged in a one-to-one correspondence manner, an annular groove 14 is formed in one end, far away from the outer side wall of the plunger 3, of the first grooves 13, a clamping groove 15 is formed in one end, close to the first grooves 13, of the annular groove 14, the clamping groove 15 is perpendicular to the first grooves 13, and the first grooves 13, the annular groove 14 and the clamping groove 15 are all communicated with the second sliding grooves 8;

the clamping assembly comprises a positioning rod 16 fixedly connected to the side wall of the slide rod 11, the positioning rod 16 is in sliding connection with the first groove 13 and the annular groove 14, and the positioning rod 16 is clamped with the clamping groove 15;

after the plunger 3 is arranged on the column body 1, the handle 12 is rotated to drive the positioning rod 16 on the slide rod 11 to rotate, so that the positioning rod 16 is opposite to the first groove 13, the handle 12 is pressed to enable the positioning rod 16 to slide in the first groove 13, so that the plunger enters the annular groove 14, the spring 10 is driven to stretch, the sleeve 9 is clamped into the positioning hole 6, the handle 12 is rotated again, so that the positioning rod 16 is opposite to the clamping groove 15, the handle 12 is loosened, and under the action of the spring 10, the positioning rod 16 is clamped into the clamping groove 15 to position the slide rod 11 and the sleeve 9, so that the plunger 3 is positioned; a first positioning mark (not shown) and a second positioning mark (not shown) are mounted on the side wall of the plunger 3, when the positioning rod 16 faces the first positioning mark, the positioning rod 16 faces the first groove 13, and when the positioning rod 16 faces the second positioning mark, the positioning rod 16 faces the clamping groove 15.

Further optimizing scheme, the drain assembly includes the drain pipe 17 of rigid coupling in cylinder 1 bottom, and drain pipe 17 and cylinder 1 inner chamber intercommunication, drain pipe 17 bottom threaded connection have bottom 18, and drain pipe 17 is located the filter assembly below.

Further optimizing scheme, the feed liquor subassembly is including seting up the feed liquor passageway 19 on plunger 3, and feed liquor passageway 19 and cylinder 1 inner chamber intercommunication, and feed liquor passageway 19 top joint has the card stopper 20, and feed liquor passageway 19 is located filtering component top.

In a further optimization scheme, the filter assembly comprises an upper filter plate 21 and a lower filter plate 22, and the upper filter plate 21 and the lower filter plate 22 are both arranged in the inner cavity of the column body 1; when the filter is used, the lower filter plate 22 is placed at the bottom of the column body 1, then matrix filler is filled, the upper filter plate 21 is placed at the top of the matrix filler, finally the plunger 3 is installed, the bottom of the plunger 3 presses the top of the upper filter plate 21 to compact the matrix filler, and the upper filter plate 21 and the lower filter plate 22 are responsible for intercepting the internally filled matrix filler and have the function of 0.22um filtering and intercepting large particles.

In a further optimization scheme, a second annular groove 23 is formed in the top surface of the column body 1, an annular clamping block 24 is fixedly connected to the annular chute 5, and the annular clamping block 24 is clamped with the second annular groove 23;

a rubber pad 25 is fixedly connected on the second annular groove 23, and the bottom of the annular clamping block 24 is abutted against the rubber pad 25, so that the air tightness of the cylinder 1 is improved.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (8)

1. The utility model provides a just, tear formula pre-installation post open which characterized in that: the filter comprises a column body (1) with an open top, wherein a filter assembly is arranged in the column body (1), a liquid outlet assembly is arranged at the bottom of the column body (1), and a plurality of guide rods (2) are fixedly connected to the top of the outer side wall of the column body (1) in the circumferential direction;

the top of the cylinder (1) is detachably connected with a plunger (3), the plunger (3) is provided with a liquid inlet component communicated with the inner cavity of the cylinder (1), the side wall of the plunger (3) is provided with a plurality of guide grooves (4), the guide grooves (4) are arranged in a one-to-one correspondence manner with the guide rods (2) and are in sliding connection, the bottom of the plunger (3) is provided with an annular chute (5) communicated with the guide grooves (4), the annular chute (5) is in sliding connection with the side wall of the cylinder (1), and the annular chute (5) is in butt joint with the top surface of the cylinder (1);

a plurality of positioning holes (6) are circumferentially formed in the outer side wall of the cylinder (1), a positioning assembly is mounted on the plunger (3), and the positioning assembly is detachably connected with the positioning holes (6).

2. The easy-to-disassemble pre-assembled column according to claim 1, wherein: a plurality of first sliding grooves (7) are formed in one end, far away from the column body (1), of the annular sliding groove (5), the first sliding grooves (7) are in one-to-one correspondence with the positioning holes (6), and a second sliding groove (8) is formed in one end, far away from the annular sliding groove (5), of the first sliding groove (7);

the positioning assembly comprises a sleeve (9) which is in sliding connection with the first sliding groove (7), the sleeve (9) is in sliding connection with the positioning hole (6), a spring (10) is fixedly connected between the inner wall of the sleeve (9) and the first sliding groove (7), a sliding rod (11) is rotatably connected to the inner wall of the sleeve (9) through a clamping block (26), the spring (10) is sleeved outside the sliding rod (11), the sliding rod (11) extends out of the sleeve (9) and is in sliding connection with the second sliding groove (8), the sliding rod (11) extends out of the second sliding groove (8) and is fixedly connected with a handle (12), and the clamping assembly is mounted on the sliding rod (11) and is detachably connected with the plunger (3).

3. The easy-to-disassemble pre-assembled column according to claim 2, wherein: a plurality of first grooves (13) are formed in the side wall of the plunger (3), the first grooves (13) are in one-to-one correspondence with the second sliding grooves (8), an annular groove (14) is formed in one end, away from the outer side wall of the plunger (3), of the first grooves (13), a clamping groove (15) is formed in one end, close to the first grooves (13), of the annular groove (14), the clamping groove (15) is perpendicular to the first grooves (13), and the first grooves (13), the annular grooves (14) and the clamping groove (15) are all communicated with the second sliding grooves (8);

the clamping assembly comprises a positioning rod (16) fixedly connected to the side wall of the sliding rod (11), the positioning rod (16) is in sliding connection with the first groove (13) and the annular groove (14), and the positioning rod (16) is clamped with the clamping groove (15).

4. The easy-to-disassemble pre-assembled column according to claim 1, wherein: the liquid outlet assembly comprises a liquid outlet pipe (17) fixedly connected to the bottom of the column body (1), the liquid outlet pipe (17) is communicated with the inner cavity of the column body (1), a bottom cover (18) is connected to the bottom of the liquid outlet pipe (17) in a threaded mode, and the liquid outlet pipe (17) is located below the filtering assembly.

5. The easy-to-disassemble pre-assembled pole of claim 4, wherein: the liquid inlet assembly comprises a liquid inlet channel (19) formed in the plunger (3), the liquid inlet channel (19) is communicated with the inner cavity of the cylinder (1), a clamping plug (20) is clamped at the top of the liquid inlet channel (19), and the liquid inlet channel (19) is located above the filtering assembly.

6. The easy-to-disassemble pre-assembled pole of claim 5, wherein: the filtering assembly comprises an upper filtering plate (21) and a lower filtering plate (22), and the upper filtering plate (21) and the lower filtering plate (22) are both arranged in the inner cavity of the column body (1).

7. The easy-to-disassemble pre-assembled column according to claim 1, wherein: the cylinder (1) is provided with a second annular groove (23) on the top surface, an annular clamping block (24) is fixedly connected to the annular chute (5), and the annular clamping block (24) is clamped with the second annular groove (23).

8. The easy-to-disassemble pre-assembled pole of claim 7, wherein: a rubber pad (25) is fixedly connected to the second annular groove (23), and the bottom of the annular clamping block (24) is abutted to the rubber pad (25).