阅读说明：本技术 一种用于液相色谱仪的管路连接件 (Pipeline connecting piece for liquid chromatograph ) 是由 章志尧 于 2020-12-09 设计创作，主要内容包括：本发明公开的属于管路连接件技术领域,具体为一种用于液相色谱仪的管路连接件,包括液相色谱柱,所述液相色谱柱的两端固定设置有对称的固定套,所述液相色谱柱的两端横向设置有对称的主管,两个所述主管靠近液相色谱柱的一端均固定设置有支管,所述固定套均固定套接在所述支管的外部,两个所述主管远离液相色谱柱的一端均固定设置有总管,便于将管路连接件与液相色谱柱之间快速固定连接,不使用时,可以快速拆装,增加连接固定的效率,便于将多个液相色谱柱之间连接固定,防止长时间使用后,液相色谱柱与管路连接件之间产生松动,造成溶液泄漏,影响检测器的检测精确性。(The invention discloses a pipeline connecting piece for a liquid chromatograph, belonging to the technical field of pipeline connecting pieces, and in particular relates to a pipeline connecting piece for a liquid chromatograph, which comprises a liquid chromatograph column, two ends of the liquid chromatographic column are fixedly provided with symmetrical fixed sleeves, two ends of the liquid chromatographic column are transversely provided with symmetrical main pipes, one end of each main pipe close to the liquid chromatographic column is fixedly provided with a branch pipe, the fixed sleeves are fixedly sleeved outside the branch pipes, the main pipes are fixedly arranged at the ends of the two main pipes far away from the liquid chromatographic column, so that the pipeline connecting piece and the liquid chromatographic column can be conveniently and quickly and fixedly connected, when the device is not used, can be quickly disassembled and assembled, increases the efficiency of connection and fixation, is convenient for connecting and fixing a plurality of liquid chromatographic columns, prevents the phenomenon that after long-time use, looseness is generated between the liquid chromatographic column and the pipeline connecting piece, so that solution leakage is caused, and the detection accuracy of the detector is influenced.)

1. The utility model provides a pipeline connecting piece for liquid chromatograph, includes liquid chromatography column (1), its characterized in that, the fixed cover (2) that is provided with the symmetry in both ends of liquid chromatography column (1), the both ends of liquid chromatography column (1) transversely are provided with the person in charge (3) of symmetry, two the one end of being responsible for (3) and being close to liquid chromatography column (1) all fixedly is provided with branch pipe (4), fixed cover (2) all fixedly cup joints in the outside of branch pipe (4), two the one end of being responsible for (3) and keeping away from liquid chromatography column (1) all fixedly is provided with house steward (5), the upper end of house steward (5) is fixed and is provided with detector (6), the fixed sample injector (7) that is provided with of lower extreme of house steward (5), the external fixation of liquid chromatography column (1) is provided with solid fixed ring (8), the fixed establishment that is provided with the, the lateral wall of liquid chromatography column (1) is fixed and is provided with L type connecting plate (9) of symmetry, two the one end that solid fixed ring (8) was kept away from in L type connecting plate (9) is all fixed and is provided with installation mechanism.

2. The line connection for a liquid chromatograph of claim 1, wherein: fixed establishment includes two connecting rods (10), two connecting rod (10) all with the lateral wall sliding connection of solid fixed ring (8), two the one end that connecting rod (10) is close to liquid chromatography post (1) is all fixed and is provided with arc (11), two the one end that liquid chromatography post (1) was kept away from in connecting rod (10) is all fixed limiting plate (12) that is provided with, two the pole wall of connecting rod (10) is all fixed first spring (13) of having cup jointed, two the one end of first spring (13) all with the lateral wall fixed connection of limiting plate (12), two the one end that limiting plate (12) were kept away from in first spring (13) all with the lateral wall fixed connection of solid fixed ring (8).

3. The line connection for a liquid chromatograph of claim 1, wherein: installation mechanism includes two horizontal poles (14), two horizontal pole (14) all with the lateral wall sliding connection of L type connecting plate (9), two horizontal pole (14) are close to the one end of being responsible for (3) and all fixedly are provided with connecting plate (15), two the other end of horizontal pole (14) is all fixedly provided with and draws piece (16), two the fixed slot of symmetry is all seted up at the both ends of being responsible for (3), two the one end that horizontal pole (14) were kept away from in connecting plate (15) is all fixed and is provided with fixed block (17), two fixed block (17) all with joint, two between the fixed slot the outside of horizontal pole (14) is all fixed second spring (18) of having cup jointed, two the one end that second spring (18) are close to be responsible for (3) all with the lateral wall fixed connection of connecting plate (15), two the one end that connecting plate (15) were kept away from in second spring (18) all with the lateral wall fixed connection of L type connecting plate (9.

4. The line connection for a liquid chromatograph of claim 1, wherein: a fixing plate is fixedly arranged between the fixing rings (8).

5. The line connection for a liquid chromatograph of claim 1, wherein: and a rubber protection pad is fixedly arranged on the side wall of the arc-shaped plate (11).

Technical Field

The invention relates to the technical field of pipeline connecting pieces, in particular to a pipeline connecting piece for a liquid chromatograph.

Background

With the expansion of the application range of the pipeline, the application environment is more and more complex, thus higher requirements are put on the pipeline joint, and the current liquid chromatograph generally adopts a single T-shaped tee joint or a cross-shaped four-way joint to be connected with each other.

But the existing pipeline connecting piece is difficult to connect with the liquid chromatographic column, the installation and the disassembly are troublesome, and after the pipeline connecting piece is used for a long time, the pipeline connecting piece and the liquid chromatographic column are easy to loose, so that the detection of the liquid chromatograph is influenced.

Disclosure of Invention

The invention aims to provide a pipeline connecting piece for a liquid chromatograph, which solves the problems that the existing pipeline connecting piece and the liquid chromatograph column in the background art are difficult to connect and cannot be quickly disassembled when not in use.

In order to achieve the purpose, the invention provides the following technical scheme: a pipeline connecting piece for a liquid chromatograph comprises a liquid chromatographic column, wherein two ends of the liquid chromatographic column are fixedly provided with symmetrical fixing sleeves, two ends of the liquid chromatographic column are transversely provided with symmetrical main pipes, one ends of the two main pipes close to the liquid chromatographic column are fixedly provided with branch pipes, the fixed sleeves are fixedly sleeved outside the branch pipes, the ends of the two main pipes far away from the liquid chromatographic column are fixedly provided with a main pipe, the upper end of the main pipe is fixedly provided with a detector, the lower end of the main pipe is fixedly provided with a sample injector, the outside of the liquid chromatographic column is fixedly provided with a fixed ring, the side wall of the fixed ring is fixedly provided with symmetrical fixed mechanisms, the fixed L type connecting plate that is provided with the symmetry of lateral wall of liquid chromatography column, two the L type connecting plate is kept away from solid fixed ring's one end and is all fixed the installation mechanism that is provided with.

Preferably, the fixed establishment includes two connecting rods, two the connecting rod all with solid fixed ring's lateral wall sliding connection, two the one end that the connecting rod is close to the liquid chromatography column is the fixed arc that is provided with all, two the one end that the liquid chromatography column was kept away from to the connecting rod is the fixed limiting plate that is provided with all, two the pole wall of connecting rod is all fixed the cup joints first spring, two the one end of first spring all with the lateral wall fixed connection of limiting plate, two the one end that the limiting plate was kept away from to first spring all with solid fixed ring's lateral wall fixed connection.

Preferably, installation mechanism includes two horizontal poles, two the horizontal pole all with the lateral wall sliding connection of L type connecting plate, two the horizontal pole is close to the one end of being responsible for and all fixes being provided with the connecting plate, two the other end of horizontal pole is all fixed and is provided with and draws the piece, two the fixed slot of symmetry is all seted up at the both ends of being responsible for, two the one end that the horizontal pole was kept away from to the connecting plate is all fixed and is provided with the fixed block, two the fixed block all with joint, two between the fixed slot the outside of horizontal pole is all fixed the second spring has cup jointed, two the one end that the second spring is close to the person in charge all with the lateral wall fixed connection of connecting plate, two the one end that the connecting plate was kept away from.

Preferably, a fixing plate is fixedly arranged between the fixing rings.

Preferably, the side wall of the arc-shaped plate is fixedly provided with a rubber protection pad.

Compared with the prior art, the invention has the beneficial effects that:

1) through the common cooperation of L type connecting plate, horizontal pole, connecting plate, draw piece, fixed block and second spring, be convenient for with quick fixed connection between pipeline connecting piece and the liquid chromatography column, when not using, can quick assembly disassembly, increase and connect fixed efficiency.

2) Through the common cooperation of connecting rod, arc, limiting plate and first spring, be convenient for connect fixedly between a plurality of liquid chromatography columns, prevent to use the back for a long time, produce between liquid chromatography column and the pipe connection spare not hard up, cause the solution to leak, influence the detection accuracy nature of detector.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

fig. 4 is an enlarged schematic structural view of a portion B in fig. 2.

In the figure: the device comprises a liquid chromatography column 1, a fixed sleeve 2, a main pipe 3, branch pipes 4, a main pipe 5, a detector 6, a sample injector 7, a fixed ring 8, a connecting plate 9L, a connecting rod 10, an arc plate 11, a limiting plate 12, a first spring 13, a cross rod 14, a connecting plate 15, a pulling block 16, a fixed block 17 and a second spring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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 invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: a pipeline connecting piece for a liquid chromatograph comprises a liquid chromatographic column 1, two symmetrical fixing sleeves 2 are fixedly arranged at two ends of the liquid chromatographic column 1, two symmetrical main pipes 3 are transversely arranged at two ends of the liquid chromatographic column 1, branch pipes 4 are fixedly arranged at one ends, close to the liquid chromatographic column 1, of the two main pipes 3, the fixing sleeves 2 are fixedly sleeved outside the branch pipes 4, a main pipe 5 is fixedly arranged at one end, far away from the liquid chromatographic column 1, of the two main pipes 3, a detector 6 is fixedly arranged at the upper end of the main pipe 5, a sample injector 7 is fixedly arranged at the lower end of the main pipe 5, a fixing ring 8 is fixedly arranged outside the liquid chromatographic column 1, a symmetrical fixing mechanism is fixedly arranged on the side wall of the fixing ring 8, symmetrical L-shaped connecting plates 9 are fixedly arranged on the side wall of the liquid chromatographic column 1, and a mounting mechanism is fixedly;

the fixing mechanism comprises two connecting rods 10, the two connecting rods 10 are both in sliding connection with the side walls of the fixing ring 8, the ends, close to the liquid chromatography columns 1, of the two connecting rods 10 are both fixedly provided with arc plates 11, the ends, far away from the liquid chromatography columns 1, of the two connecting rods 10 are both fixedly provided with limiting plates 12, the rod walls of the two connecting rods 10 are both fixedly sleeved with first springs 13, one ends of the two first springs 13 are both fixedly connected with the side walls of the limiting plates 12, one ends, far away from the limiting plates 12, of the two first springs 13 are both fixedly connected with the side walls of the fixing ring 8, the liquid chromatography columns 1 are fixedly connected with one another, and after long-time use, looseness between the liquid chromatography columns 1 and a pipeline connecting piece is prevented;

the mounting mechanism comprises two cross rods 14, the two cross rods 14 are both in sliding connection with the side wall of the L-shaped connecting plate 9, one ends, close to the main pipes 3, of the two cross rods 14 are both fixedly provided with connecting plates 15, the other ends of the two cross rods 14 are both fixedly provided with pull blocks 16, both ends of the two main pipes 3 are both provided with symmetrical fixing grooves, one ends, far away from the cross rods 14, of the two connecting plates 15 are both fixedly provided with fixing blocks 17, the two fixing blocks 17 are both clamped between the fixing grooves, the outsides of the two cross rods 14 are both fixedly sleeved with second springs 18, one ends, close to the main pipes 3, of the two second springs 18 are both fixedly connected with the side wall of the connecting plates 15, one ends, far away from the connecting plates 15, of the two second springs 18 are both fixedly connected with the side wall of the L-shaped connecting plate 9;

a fixing plate is fixedly arranged between the fixing rings 8;

the side wall of the arc plate 11 is fixedly provided with a rubber protection pad.

The working principle is as follows: during the use, place liquid chromatography column 1 in solid fixed ring 8's inside, two first springs 13 stimulate lateral wall fixed connection's limiting plate 12 and remove, two limiting plates 12 promote lateral wall fixed connection's connecting rod 10 and remove, two connecting rods 10 promote lateral wall fixed connection's arc 11 and fix liquid chromatography column 1, make firm the connection between a plurality of liquid chromatography columns 1, the piece 16 is drawn in the pulling, draw the horizontal pole 14 that the piece 16 drove lateral wall fixed connection and remove, horizontal pole 14 drives lateral wall fixed connection's connecting plate 15 and fixed block 17 and removes, cup joint fixed cover 2 in the outside of branch pipe 4, second spring 18 promotes lateral wall fixed connection's connecting plate 15 and removes, connecting plate 15 drives joint between lateral wall fixed connection's fixed block 17 and the fixed slot, install fast between liquid chromatography column 1 and the pipeline connecting piece fixedly.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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