CN219391936U - Liquid chromatograph separation column - Google Patents

Abstract

The utility model relates to the technical field of liquid chromatographs, in particular to a liquid chromatograph separation column, which comprises a separation column main body, wherein the separation column main body comprises a column tube, connecting pieces are respectively connected and installed at two ends of the outer side of the column tube, a first column joint and a second column joint are respectively connected and installed at one end of the connecting piece, which is far away from the column tube, through a connecting component convenient to detach, and filter pieces are arranged at two ends of the column tube, and a filler is arranged in the column tube.

Description

Liquid chromatograph separation column

Technical Field

The utility model relates to the technical field of liquid chromatograph, in particular to a liquid chromatograph separation column.

Background

The liquid chromatograph is an instrument for separating and analyzing and identifying the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or insoluble, the liquid chromatograph is divided into liquid-liquid chromatograph and liquid-color fixation spectrum according to the stationary phase which is liquid or solid, the separation column, i.e. the chromatographic column, is an important component part of the liquid chromatograph, can be divided into a filling column and an open pipe column which are mainly made of metal or glass, has the shapes of straight pipe, coil pipe, U-shaped pipe and the like, the liquid chromatograph is usually all made of the filling column, wherein the separation column needs to be taken out when the stationary phase adsorbent is replaced after long-time test operation, and then the stationary phase adsorbent is replaced, but in the prior art, the upper chromatographic column or the lower chromatographic column is in threaded connection with a column pipe through bolts, so that the operation is more troublesome and time-consuming.

Aiming at the problems in the background technology, a liquid chromatograph separation column convenient to detach needs to be provided.

Disclosure of Invention

The present utility model is directed to a liquid chromatograph separation column, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a liquid chromatograph separation post, includes the separation post main part, the separation post main part includes the pillar, the both ends in pillar outside all are connected and are installed the connecting piece, the one end that the connecting piece kept away from the pillar is connected respectively through the coupling assembling of convenient dismantlement and is installed first post joint and second post joint, just the pillar both ends are provided with the filter piece, the inside filler that is provided with of pillar;

the connecting assembly comprises a matching groove formed in the inner side wall of the connecting piece, a rubber pad is arranged in the matching groove, a rear gasket is arranged on one side, close to the column tube, of the connecting piece, a front gasket is arranged on one side, close to the rear gasket, of the first column connector and the second column connector, and a matching block is fixedly connected to one side, close to the front gasket, of the outer side of the first column connector and the outer side of the second column connector.

As a preferable scheme of the utility model, the filter pieces are clamped at two ends of the column tube through the mounting blocks.

As a preferable scheme of the utility model, the matching grooves are arranged in an L shape, and four matching grooves are arranged and are distributed on the inner side wall of the connecting piece at equal intervals along the circumferential direction.

As a preferable scheme of the utility model, the rubber pad is arranged on the inner side wall of the matching groove.

As a preferred embodiment of the present utility model, the fitting block and the fitting groove are mutually matched.

As a preferable scheme of the utility model, the front gasket and the rear gasket are matched with each other.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the connecting component is arranged in the separation column of the liquid chromatograph, so that when the packing in the column tube is required to be replaced, a user only needs to take down the main body of the separation column from the liquid chromatograph, then rotate the first column joint or the human column joint, take down the first column joint or the second column joint under the action of the matching block and the matching groove after rotating a certain angle, and take out the filter plate, thereby the packing in the column tube can be replaced, the operation is simple and convenient, the liquid chromatograph separation column can be conveniently replaced for a period of time after being used, the operation is simple, the time can be saved to a certain extent, and the replacement efficiency is further improved.

Drawings

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

FIG. 2 is a front view of the partial internal structure of the present utility model;

FIG. 3 is an enlarged view of area A of the present utility model;

FIG. 4 is an enlarged view of zone B of the present utility model.

In the figure: 1. a separation column body; 101. a column tube; 102. a connecting piece; 103. a first column joint; 104. a second column joint; 105. a filler; 106. a filter sheet; 107. a mounting block; 2. a connection assembly; 201. a mating groove; 202. a rubber pad; 203. a mating block; 204. a front gasket; 205. and a rear gasket.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a liquid chromatograph separation post, includes separation post main part 1, and separation post main part 1 includes pillar 101, and pillar 101 outside both ends all are connected and are installed connecting piece 102, and connecting piece 102 keeps away from pillar 101's one end and connects 103 and second post and connect 104 through convenient coupling assembling 2 connection respectively of dismantling, and pillar 101 both ends are provided with filter piece 106, and the inside packing 105 that is provided with of pillar 101.

In this embodiment, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, coupling assembling 2 is including seting up the cooperation groove 201 at the inside lateral wall of coupling assembling 102, cooperation groove 201 inside is provided with rubber pad 202, and the inside one side that is close to pillar 101 of coupling assembling 102 is provided with back packing 205, one side that is close to back packing 205 of first post joint 103 and second post joint 104 is provided with preceding packing 204, and one side fixedly connected with cooperation piece 203 that is close to preceding packing 204 outside first post joint 103 and second post joint 104, cooperation groove 201 is set up to "L" shape, and cooperation groove 201 is provided with four, four cooperation grooves 201 are at the inside lateral wall of coupling assembling 102 equidistance distribution along the circumferencial direction, the rubber pad 202 sets up at cooperation groove 201 inside lateral wall, the setting of rubber pad 202 can effectively reduce the wearing and tearing that the in-process caused, the cooperation piece 203 is mutually adapted with cooperation groove 201, through setting up coupling assembling 2, the realization of this liquid chromatograph separator post after a period of use, can be convenient change inside stationary phase adsorbent, the operation is simple, can save time to a certain, thereby, and further, the user can take out the inside of the liquid chromatograph post joint 101 can take out the inside joint 105 and take out the inside the filter disc 101 from the inside of the coupling assembling 101, can change the inner cylindrical filter piece 101, the filter piece is changed, and the inside the inner cylindrical filter piece is changed, can be changed, and only need to be changed by the inside one-shaped, and can be changed by the inside 101, and can be changed, and directly by the user.

Wherein, filter disc 106 passes through installation piece 107 joint at pillar 101 both ends, and filter disc 106 can be effectual filters the interior impurity of liquid that awaits measuring, mutually support between preceding packing ring 204 and the back packing ring 205, can effectually guarantee the sealed effect of separation post main part 1 under the combined action of preceding packing ring 204 and back packing ring 205.

The working flow of the utility model is as follows: when the chromatographic separation column is used, the separation column main body 1 is firstly arranged on a liquid chromatograph, liquid to be detected is injected into the column tube 101 from the chromatograph, impurities in the liquid to be detected are filtered by the filter sheet 106 when the liquid to be detected flows into the connecting piece 102, the liquid to be detected enters the column tube 101, the filler 105 absorbs and detects the liquid to be detected, the detection effect of the liquid to be detected is finished, the sealing effect of the separation column main body 1 can be effectively ensured under the combined action of the front gasket 204 and the rear gasket 205 in the process, and when the filler 105 in the column tube 101 needs to be replaced after a period of use, a user only needs to take down the separation column main body 1 from the liquid chromatograph, then rotates the first column connector 103 or the second column connector 104, can take down the first column connector 103 or the second column connector 104 under the action of the matching block 203 and the matching groove 201 after a certain angle, and takes out the filter sheet 106, the inner filler 105 of the column tube 101 can be subjected to simple and convenient operation, and the abrasion in the process of effectively reducing the setting of the rubber gasket 202 due to elasticity.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A liquid chromatograph separation column, comprising a separation column body (1), characterized in that: the separation column main body (1) comprises a column tube (101), connecting pieces (102) are respectively connected and installed at two ends of the outer side of the column tube (101), a first column joint (103) and a second column joint (104) are respectively connected and installed at one end, far away from the column tube (101), of the connecting pieces (102) through a connecting component (2) convenient to detach, filter discs (106) are arranged at two ends of the column tube (101), and packing (105) is arranged inside the column tube (101);

coupling assembling (2) are including seting up in the inside mating groove (201) of lateral wall of connecting piece (102), mating groove (201) inside is provided with rubber pad (202), just one side that connecting piece (102) inside is close to vial (101) is provided with back packing ring (205), one side that first post joint (103) and second post joint (104) are close to back packing ring (205) is provided with preceding packing ring (204), just one side that first post joint (103) and second post joint (104) outside are close to preceding packing ring (204) fixedly connected with cooperation piece (203).

2. A liquid chromatograph column according to claim 1, characterized in that: the filter plates (106) are clamped at two ends of the column tube (101) through the mounting blocks (107).

3. A liquid chromatograph column according to claim 1, characterized in that: the matching grooves (201) are arranged in an L shape, and the number of the matching grooves (201) is four, and the four matching grooves (201) are distributed on the inner side wall of the connecting piece (102) at equal intervals along the circumferential direction.

4. A liquid chromatograph column according to claim 1, characterized in that: the rubber pad (202) is arranged on the inner side wall of the matching groove (201).

5. A liquid chromatograph column according to claim 1, characterized in that: the matching block (203) is matched with the matching groove (201).

6. A liquid chromatograph column according to claim 1, characterized in that: the front gasket (204) and the rear gasket (205) are matched with each other.