Fixing device of liquid chromatographic column

Abstract

The utility model discloses a fixing device for a liquid chromatographic column. The fixing device comprises a base plate, a fixing device and a fixing device, wherein the base plate is used for mounting the outer side of a box body of a liquid chromatographic instrument; the telescopic assembly comprises a base, a hinge arm and an adapter, the base is detachably installed on the base plate, and the two ends of the hinge arm are hinged to the base and the adapter respectively; the wall attaching plate is mounted on the adapter; the pipe clamps are used for clamping the liquid chromatographic column and are mounted on one side, far away from the adapter, of the wall attaching plate, each pipe clamp comprises two elastic clamping plates which are oppositely arranged, the distance between the two elastic clamping plates is gradually increased from the middle parts of the elastic clamping plates to the two ends of the elastic clamping plates, and the distance between the middle parts of the two elastic clamping plates is smaller than the outer diameter of the liquid chromatographic column. The utility model solves the problems that the connecting pipeline of the chromatographic column is longer and the occupied space is large because the chromatographic column of the existing liquid chromatograph is not provided with a flexible fixing device.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid chromatograph technical field, concretely relates to a fixing device of liquid chromatographic column. BACKGROUND

[0002] The chromatographic column is the key necessary consumable of liquid chromatograph. The existing liquid chromatograph does not have good fixing device for chromatographic column, leads to the experimental site to be more disorderly, and the fixing of chromatographic column is also various styles. In the unused condition, still occupies the very big use site. Chromatographic column fixing cannot realize multi-angle, leads to the connecting pipeline between them to be very long, and further influences column efficiency and other key indexes. On the other hand, if using liquid chromatograph under the narrow space such as fume hood, uses more inconveniently.

[0003] The information disclosed in this section is intended only to increase an understanding of the background of the present utility model and should not be construed as recognizing or implying that this information constitutes prior art with respect to the present utility model. CONTENT OF UTILITY MODEL

[0004] In order to overcome the defects existing in the prior art, the present application provides a fixing device of liquid chromatographic column to solve the problem that the chromatographic column of the current liquid chromatograph does not have flexible fixing device, leading to long connecting pipeline of chromatographic column and large space occupation.

[0005] In order to achieve the above-mentioned purpose, a fixing device of liquid chromatographic column is provided, which comprises:

[0006] A base plate for mounting the outer side of the box body of the liquid chromatograph;

[0007] A telescopic assembly comprising a base, a hinged arm and an adapter seat, the base is detachably mounted on the base plate, and the two ends of the hinged arm are hinged to the base and the adapter seat respectively;

[0008] An attached wall plate is mounted on the adapter seat;

[0009] A plurality of pipe clamps for clamping liquid chromatographic columns are mounted on the side of the attached wall plate away from the adapter seat, the pipe clamps comprise two elastic clamping plates arranged oppositely, the distance between the two elastic clamping plates gradually increases from the middle part of the elastic clamping plate to the two ends of the elastic clamping plate, and the distance between the middle parts of the two elastic clamping plates is smaller than the outer diameter size of the liquid chromatographic column.

[0010] Further, the outer side of the substrate is provided with a buckle plate, the plate surface of the buckle plate is opposite to the plate surface of the substrate, the outer edges of the side and bottom of the buckle plate are connected with the outer edges of the substrate through a sealing edge flange, the sealing edge flange, the buckle plate and the substrate form a socket groove, the upper part of the buckle plate is formed with a notch, the base is connected with a plug-in plate, the plug-in plate is detachably inserted into the socket groove, and the base is embedded in the notch.

[0011] Further, one end of the articulated arm is articulated to the base through a first articulated shaft, and the other end of the articulated arm is articulated to the adapter seat through a second articulated shaft.

[0012] Further, the first articulated shaft is vertically arranged.

[0013] Further, a plurality of pipe clamps are respectively arranged at the two ends of the wall-attached plate, and the positions of the pipe clamps at the two ends of the wall-attached plate correspond to each other.

[0014] The liquid chromatography column fixing device has the advantages that the substrate is installed to the side of the box body of the machine box of the liquid chromatograph through the fixing hole position or is used alone.

[0015] The liquid chromatography column fixing device can make the chromatography column close to the sample inlet end or the detector, and reduce the dead volume.

[0016] The liquid chromatography column fixing device can be conveniently used for installing the chromatography column, connecting the pipeline and troubleshooting in some special application scenarios. BRIEF DESCRIPTION OF DRAWINGS

[0017] Other characteristics, objects and advantages of the present application will become more apparent from the following detailed description of non-restrictive embodiments, made with reference to the attached drawings:

[0018] Figure 1 It is a structural schematic view of the liquid chromatography column fixing device of the utility model embodiment.

[0019] Figure 2 It is a structural schematic view of the substrate fixing device of the utility model embodiment.

[0020] Figure 3 It is a structural schematic view of the utility model embodiment.

[0021] Figure 4 This is a schematic diagram of the use state of the liquid chromatography column fixation device according to an embodiment of the present invention. Detailed Implementation

[0022] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] Reference Figures 1 to 4 As shown, this utility model provides a fixing device for a liquid chromatography column, including: a base plate 1, a telescopic component 2, a wall-mounted plate 3, and a tube clamp 4.

[0025] The substrate 1 is used to mount the outer side of the housing of the liquid chromatograph 5. Specifically, the substrate can be bolted to the outer wall of the housing of the liquid chromatograph.

[0026] The telescopic assembly 2 includes a base 21, a hinged arm 22, and an adapter 23.

[0027] Specifically, the base 21 is detachably mounted on the base plate 1. The two ends of the hinge arm 22 are respectively hinged to the base 21 and the adapter 23.

[0028] The wall panel 3 is installed on the adapter 23.

[0029] There are multiple tube clamps 4. The tube clamps 4 are used to hold the liquid chromatography column 51. The tube clamps 4 are installed on the side of the wall plate 3 away from the adapter 23.

[0030] The tube clamp 4 includes two elastic clamps arranged opposite each other. The distance between the two elastic clamps gradually increases from the middle of the elastic clamps towards both ends. The distance between the middle parts of the two elastic clamps is smaller than the outer diameter of the liquid chromatography column 51. The elastic clamps are S-shaped.

[0031] As a preferred implementation method, see [reference]. Figure 2 As shown, a buckle plate 11 is provided on the outer side of the substrate 1.

[0032] In this embodiment, the snap-on plate is disposed on the lower part of the outer side of the substrate. The surface of the snap-on plate 11 is disposed opposite to the surface of the substrate 1. An edge sealing flange is connected between the outer edge of the side and bottom of the snap-on plate 11 and the outer edge of the substrate 1. The edge sealing flange, the snap-on plate 11, and the substrate 1 form a receiving slot.

[0033] The upper portion of the buckle plate 11 is formed with a notch 110. The base 21 is connected with a plug plate 211. The plug plate is detachably inserted into the socket. The base 21 is embedded in the notch.

[0034] When the telescopic assembly is installed on the base plate, the plug plate is aligned with the socket, and the base is aligned with the notch. The plug plate is inserted into the socket from top to bottom, and the base is embedded in the notch.

[0035] One end of the articulated arm 22 is articulated to the base 21 through a first articulated shaft 221. The other end of the articulated arm 22 is articulated to the adapter 23 through a second articulated shaft 222. The first articulated shaft 221 and the second articulated shaft 222 are arranged in the same direction.

[0036] As a preferred embodiment, the first articulated shaft 221 is vertically arranged.

[0037] In the embodiment, a plurality of pipe clamps 4 are installed at both ends of the wall-attached plate 3. The plurality of pipe clamps at each end of the wall-attached plate are arranged in the width direction of the wall-attached plate. The positions of the pipe clamps 4 at both ends of the wall-attached plate 3 correspond one by one.

[0038] The utility model discloses a fixing device of liquid chromatographic column, wherein the base plate is installed to the side of the box of the machine case of liquid chromatograph through fixing hole position or is used alone. The telescopic assembly is detachably installed on the base plate, and multi-angle rotation of the chromatographic column is realized. The telescopic assembly can be telescopic, and the distance is controlled according to different application scenes. When not used, the volume can be very small, and space is not occupied.

[0039] A plurality of pipe clamps are installed on the wall-attached plate to adapt to chromatographic columns of different specifications, so that the fixing of chromatographic columns of different specifications such as analysis and semi-preparation can be realized, and the switching and washing of different chromatographic columns can be realized.

[0040] The fixing device of the liquid chromatographic column can make the chromatographic column close to the sample injection end or the detector, and reduce the dead volume.

[0041] The application of the fixing device of the liquid chromatographic column can facilitate the installation of the chromatographic column, the connection of the pipeline and the troubleshooting in some special application scenes.

[0042] The above description is only the preferred embodiment of the application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by the arbitrary combination of the above technical features or equivalent features without departing from the utility model concept. For example, the above features are replaced with the technical features disclosed in the application (but not limited to) having similar functions to form the technical solutions.

Claims

1. A fixture for liquid chromatography columns, characterized in that The utility model relates to a liquid chromatograph installation device, comprising: a base plate for mounting the outer side of a box of a liquid chromatograph; a telescopic assembly comprising a base, a hinged arm and an adapter, the base being detachably mounted on the base plate, the hinged arm having two ends hingedly connected to the base and the adapter respectively; a wall plate mounted on the adapter; a plurality of tube clamps for clamping a liquid chromatography column mounted on the side of the wall plate away from the adapter, the tube clamps comprising two oppositely arranged elastic clamping plates, the distance between the two elastic clamping plates gradually increasing from the middle part of the elastic clamping plates to the two ends of the elastic clamping plates, and the distance between the middle parts of the two elastic clamping plates being smaller than the outer diameter of the liquid chromatography column.

2. The liquid chromatography column holder of claim 1, wherein, The outer side of the base plate is provided with a buckle plate, the plate surface of the buckle plate being oppositely arranged with the plate surface of the base plate, the side and bottom of the buckle plate being connected with the outer edge of the base plate through a sealing flange, the sealing flange, the buckle plate and the base plate forming a socket groove, the upper part of the buckle plate being formed with a notch, the base being connected with an insertion plate, the insertion plate being detachably inserted into the socket groove, and the base being embedded in the notch.

3. The liquid chromatography column holder of claim 1, wherein, One end of the hinged arm is hingedly connected to the base through a first hinge shaft, and the other end of the hinged arm is hingedly connected to the adapter through a second hinge shaft, the first hinge shaft and the second hinge shaft being arranged in the same direction.

4. The liquid chromatography column holder of claim 3, wherein, The first hinge shaft is vertically arranged.

5. The liquid chromatography column holder of claim 1, wherein, The two ends of the wall plate are respectively provided with a plurality of tube clamps, and the positions of the tube clamps on the two ends of the wall plate correspond one by one.

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