Intelligent liquid chromatograph waste liquid collecting device

Abstract

The utility model discloses an intelligent liquid chromatograph waste liquid collecting device, which relates to the technical field of liquid chromatograph waste liquid collection and comprises a connecting plate, a liquid outlet pipeline and a collecting cylinder, the top of the connecting plate is fixedly matched with the liquid outlet pipeline, and one side of the connecting plate is fixedly connected with a support frame. According to the collecting device, the collecting barrel and the top cover are translated until the collecting barrel is combined with the supporting frame, the liquid outlet pipeline is combined with the transverse groove, the outer layer is lapped on the outer surface wall of the top cover, and then the fastening rod and the fixing rod are sequentially screwed, so that the whole collecting device is mounted, and waste liquid guided out by the liquid chromatograph is prevented from splashing while the waste liquid is not easily separated from the liquid chromatograph. And after the fastening rod and the fixing rod are separated, the collecting barrel is horizontally moved, the collecting barrel drives the top cover to separate the liquid outlet pipeline, and then the top cover is directly separated upwards, so that the centralized treatment of the waste liquid can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of waste liquid collection of liquid chromatographs, and in particular to an intelligent waste liquid collection device of liquid chromatographs. Background Art

[0002] A liquid chromatograph is an instrument that utilizes the difference in distribution ratio between a mixture of liquid and solid or between two immiscible liquids to separate the mixture first and then analyze and identify it. After using the liquid chromatograph, there is often residual liquid in the internal pipes, which affects the next liquid detection result. Therefore, the internal pipes of the liquid chromatograph need to be cleaned after use. However, existing liquid chromatographs often discharge the waste liquid at will after cleaning the pipes.

[0003] For example, patent application number CN202223109453.7 provides a waste liquid collection device for a liquid chromatograph, comprising a fixed base, a chromatograph body is fixedly connected to the top of the fixed base, an outer wall on one side of the chromatograph body is fixedly connected to a liquid inlet pipe, an outer wall on the other side of the chromatograph body is fixedly connected to a liquid outlet pipe, a water tank is fixedly connected to the top of the chromatograph body, an outer wall on one side of the water tank is fixedly connected to a connecting pipe, and one end of the connecting pipe is fixedly connected to an outer wall on one side of the liquid inlet pipe, a control valve is fixedly installed on an outer wall on one side of the connecting pipe, and a collecting mechanism is fixedly provided on an outer wall on one side of the chromatograph body.

[0004] Based on the above search, combined with the prior art, it is found that in the prior art, similar to the above disclosed intelligent collection device for liquid chromatograph waste liquid, most of them use an open collection box, and the waste liquid flows directly to the collection box through the liquid storage pipe. In the specific implementation process, the open collection box has odor overflow, and the waste liquid is prone to sputtering when it impacts the inner surface wall of the collection box, all of which will affect the stable operation of the liquid chromatograph. Therefore, a liquid chromatograph waste liquid intelligent collection device is proposed to improve the above problems. Utility Model Content

[0005] The purpose of the present application is to provide an intelligent waste liquid collection device for a liquid chromatograph to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solutions: an intelligent collection device for waste liquid from a liquid chromatograph, comprising a connecting plate, a liquid outlet pipe and a collecting cylinder, the top of the connecting plate being fixedly matched with the liquid outlet pipe, one side of the connecting plate being fixedly connected to a support frame, the support frame being an L-shaped structure, the collecting cylinder overlapping the outer wall of the support frame, and the collecting cylinder overlapping a top cover, the outer wall of the open end of the liquid outlet pipe being inserted into the inner wall of the top cover through a transverse groove, and a fixing component for fixedly connecting the liquid outlet pipe to the outer wall of the top cover is provided between the outer wall of the liquid outlet pipe and the top cover.

[0007] As a further supplement to the present solution, the vertical end of the support frame is fixedly connected to a limiting frame, the limiting frame is in a U-shaped structure, the top of the limiting frame is inserted into the inside of the connecting plate, and the connecting plate and the support frame are fixedly connected via a locking rod.

[0008] As a further supplement to the present solution, the liquid outlet pipe is overlapped on the top of the connecting plate, a pressing frame is fixedly connected to the top of the connecting plate, and the inner surface wall of the pressing frame is in contact with the top of the liquid outlet pipe.

[0009] As a further supplement to the present solution, the outer wall of the open end of the liquid outlet pipe is fixedly connected with an outer layer, the outer layer is overlapped on the outer wall of the top cover, and the outer layer is fixedly connected to the outer wall of the top cover via a fastening rod.

[0010] As a further supplement to the present solution, a fixing rod is screwedly connected to the inner surface wall of the vertical end of the support frame, and the fixing rod is fixedly connected to the collecting barrel through a screw hole.

[0011] As a further supplement to the present solution, a plug-in rack is fixedly installed at the bottom of the top cover, and the plug-in rack is plugged into the top of the collecting tube through a coupling groove, and the interior of the coupling groove is filled with a sealing gasket layer.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. In the utility model, the top cover is combined with the top of the collecting cylinder, and the inserting frame is inserted into the combining groove and squeezes the sealing gasket layer, so as to ensure the air tightness between the top cover and the collecting cylinder, while maintaining the horizontal state between the top cover and the collecting cylinder, and the collecting cylinder and the top cover are translated until the collecting cylinder is combined with the supporting frame. At this time, the liquid outlet pipeline is combined with the transverse groove, and the outer layer is overlapped on the outer wall of the top cover. Then, the fastening rod and the fixing rod are tightened in sequence to realize the installation of the overall collecting device, avoid the splashing of the waste liquid derived from the liquid chromatograph, and prevent the overflow of odor. Subsequently, it is only necessary to translate the collecting cylinder after separating the fastening rod and the fixing rod, and the collecting cylinder drives the top cover to separate the liquid outlet pipeline, and then directly separate the top cover upward to realize the centralized treatment of the waste liquid.

[0014] 2. In the utility model, an L-shaped support frame is matched with a U-shaped limit frame to fit the outer contour of the collecting cylinder, the bottom of the collecting cylinder is overlapped with the top of the horizontal end of the support frame, and then the collecting cylinder is pushed horizontally to make it contact the limit frame and the support frame at the same time, so that the positioning of the collecting cylinder can be achieved, thereby improving the convenience of combining the liquid outlet pipe with the horizontal groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 Schematic diagram of the three-dimensional structure in this embodiment;

[0017] Figure 2 is a schematic diagram of the fixing rod structure in this embodiment;

[0018] Figure 3 Schematic diagram of the rack structure in this embodiment;

[0019] Figure 4 Schematic diagram of the transverse groove structure in this embodiment.

[0020] In the figure: 1. connecting plate; 2. liquid outlet pipe; 3. pressing frame; 4. locking rod; 5. supporting frame; 6. collecting cylinder; 7. limiting frame; 8. top cover; 9. fixing rod; 10. plug-in frame; 11. sealing gasket layer; 12. combining groove; 13. fastening rod; 14. outer layer; 15. transverse groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: Reference Figure 1-4 The intelligent collection device for waste liquid of a liquid chromatograph shown in the figure comprises a connecting plate 1, a liquid outlet pipe 2 and a collecting cylinder 6, the top of the connecting plate 1 is fixedly matched with the liquid outlet pipe 2, a support frame 5 is fixedly connected to one side of the connecting plate 1, the support frame 5 is an L-shaped structure, the collecting cylinder 6 overlaps the outer wall of the support frame 5, and the collecting cylinder 6 overlaps the top cover 8, the outer wall of the open end of the liquid outlet pipe 2 is inserted into the inner wall of the top cover 8 through a transverse groove 15, and a fixing component for fixing the liquid outlet pipe 2 to the outer wall of the top cover 8 is provided between the outer wall of the liquid outlet pipe 2 and the top cover 8;

[0023] The top cover 8 is combined with the top of the collecting tube 6, and the bracket 10 is inserted into the combining groove 12 and squeezes the sealing gasket layer 11, so as to ensure the air tightness between the top cover 8 and the collecting tube 6 while maintaining the horizontal state between the top cover 8 and the collecting tube 6, and the collecting tube 6 and the top cover 8 are translated until the collecting tube 6 is combined with the supporting frame 5. At this time, the liquid outlet pipe 2 is combined with the transverse groove 15, and the outer layer 14 is overlapped on the outer wall of the top cover 8, and then the fastening rod 13 and the fixing rod 9 are tightened in turn to realize the installation of the overall collecting device, avoid the splashing of the waste liquid exported by the liquid chromatograph, and prevent the overflow of odor. Subsequently, it is only necessary to translate the collecting tube 6 after separating the fastening rod 13 and the fixing rod 9, and the collecting tube 6 drives the top cover 8 to separate the liquid outlet pipe 2, and then directly separate the top cover 8 upward to realize the centralized treatment of the waste liquid.

[0024] The vertical end of the support frame 5 is fixedly connected to the limit frame 7, and the limit frame 7 has a U-shaped structure. The top of the limit frame 7 is inserted into the inside of the connecting plate 1, and the connecting plate 1 and the support frame 5 are fixedly connected by the locking rod 4. The L-shaped support frame 5 is matched with the U-shaped limit frame 7 to fit the outer contour of the collecting tube 6, and the bottom of the collecting tube 6 is overlapped to the top of the horizontal end of the support frame 5. Then, the collecting tube 6 is pushed horizontally to make it contact the limit frame 7 and the support frame 5 at the same time, so that the positioning of the collecting tube 6 can be achieved, thereby improving the convenience of combining the liquid outlet pipe 2 with the horizontal groove 15.

[0025] The liquid outlet pipe 2 is overlapped on the top of the connecting plate 1, and a pressing frame 3 is fixedly connected to the top of the connecting plate 1. The inner surface wall of the pressing frame 3 abuts against the top of the liquid outlet pipe 2. One end of the liquid outlet pipe 2 is connected to the liquid chromatograph, and the pressing frame 3 limits the vertical deflection of the liquid outlet pipe 2.

[0026] The outer wall of the open end of the liquid outlet pipe 2 is fixedly connected with an outer layer 14, which is overlapped on the outer wall of the top cover 8 and fixedly connected to the outer wall of the top cover 8 by a fastening rod 13, ensuring the convenience of disassembly and assembly of the liquid outlet pipe 2 and the top cover 8.

[0027] A fixing rod 9 is screwed on the inner wall of the vertical end of the support frame 5, and the fixing rod 9 is fixedly connected to the collecting tube 6 through a screw hole. After the position of the collecting tube 6 is determined by cooperating with the limit frame 7 and the support frame 5, the screw hole corresponds to the fixing rod 9, and the collecting tube 6 is fixed by rotating the fixing rod 9.

[0028] A rack 10 is fixedly installed at the bottom of the top cover 8, and the rack 10 is plugged into the top of the collecting tube 6 through a coupling groove 12, and the inside of the coupling groove 12 is filled with a sealing gasket layer 11. The rack 10 is plugged into the coupling groove 12 and squeezes the sealing gasket layer 11, thereby ensuring the air tightness between the top cover 8 and the collecting tube 6 while maintaining the horizontal state between the top cover 8 and the collecting tube 6.

[0029] The working principle of the utility model is as follows: the top cover 8 is combined with the top of the collecting tube 6, the inserting frame 10 is inserted into the combining groove 12 and the sealing gasket layer 11 is squeezed, so as to ensure the air tightness between the top cover 8 and the collecting tube 6, while maintaining the horizontal state between the top cover 8 and the collecting tube 6, and the collecting tube 6 and the top cover 8 are translated until the collecting tube 6 is combined with the supporting frame 5, at this time, the liquid outlet pipe 2 is combined with the transverse groove 15, and the outer layer 14 is overlapped on the outer wall of the top cover 8, and then the fastening rod 13 and the fixing rod 9 are tightened in turn, so as to realize the installation of the overall collecting device and avoid the waste liquid derived from the liquid chromatograph from splashing At the same time, it prevents the overflow of odor. Later, it only needs to separate the fastening rod 13 and the fixing rod 9, translate the collecting cylinder 6, and the collecting cylinder 6 drives the top cover 8 to separate the liquid outlet pipe 2. Then, the top cover 8 is directly separated upward to realize the centralized treatment of the waste liquid. The L-shaped support frame 5 is matched with the U-shaped limit frame 7 to fit the outer contour of the collecting cylinder 6, and the bottom of the collecting cylinder 6 is overlapped to the top of the horizontal end of the support frame 5. Then, the collecting cylinder 6 is pushed horizontally to make it contact the limit frame 7 and the support frame 5 at the same time, so as to realize the positioning of the collecting cylinder 6, thereby improving the convenience of combining the liquid outlet pipe 2 with the transverse groove 15.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An intelligent collection device for waste liquid of a liquid chromatograph, comprising a connecting plate (1), a liquid outlet pipe (2) and a collection cylinder (6), characterized in that: The top of the connecting plate (1) is fixedly matched with the liquid outlet pipe (2), one side of the connecting plate (1) is fixedly connected with a support frame (5), the support frame (5) is in an L-shaped structure, the collecting cylinder (6) overlaps the outer wall of the support frame (5), and the collecting cylinder (6) overlaps the top cover (8), the outer wall of the open end of the liquid outlet pipe (2) is inserted into the inner wall of the top cover (8) through a transverse groove (15), and a fixing component for fixedly connecting the liquid outlet pipe (2) and the outer wall of the top cover (8) is provided between the outer wall of the liquid outlet pipe (2) and the top cover (8).

2. The intelligent collection device for liquid chromatograph waste liquid according to claim 1, characterized in that: The vertical end of the support frame (5) is fixedly connected to the limiting frame (7), the limiting frame (7) is in a U-shaped structure, the top of the limiting frame (7) is inserted into the inside of the connecting plate (1), and the connecting plate (1) and the support frame (5) are fixedly connected via a locking rod (4).

3. The intelligent collection device for liquid chromatograph waste liquid according to claim 1, characterized in that: The liquid outlet pipe (2) is overlapped on the top of the connecting plate (1), and a pressing frame (3) is fixedly connected to the top of the connecting plate (1), and the inner surface wall of the pressing frame (3) is in contact with the top of the liquid outlet pipe (2).

4. The intelligent collection device for liquid chromatograph waste liquid according to claim 1, characterized in that: The outer wall of the open end of the liquid outlet pipe (2) is fixedly connected to an outer layer (14), the outer layer (14) is overlapped on the outer wall of the top cover (8), and the outer layer (14) is fixedly connected to the outer wall of the top cover (8) via a fastening rod (13).

5. The intelligent collection device for liquid chromatograph waste liquid according to claim 1, characterized in that: A fixing rod (9) is screwed and connected to the inner surface wall of the vertical end of the support frame (5), and the fixing rod (9) is fixedly connected to the collecting cylinder (6) through a screw hole.

6. The intelligent collection device for liquid chromatograph waste liquid according to claim 1, characterized in that: A plug-in frame (10) is fixedly mounted on the bottom of the top cover (8); the plug-in frame (10) is plugged into the top of the collection tube (6) via a coupling groove (12); and a sealing pad layer (11) is filled inside the coupling groove (12).

Images