Anti-blocking liquid chromatograph

Abstract

The utility model discloses an anti-clogging liquid chromatograph which comprises a shell box body, liquid storage bottles are symmetrically arranged on the top of the shell box body, pump bodies are symmetrically arranged on the top layer in the shell box body, a filtering tank is fixedly arranged on the middle layer in the shell box body, a filtering assembly and a cleaning assembly are arranged in the filtering tank, and the filtering assembly and the cleaning assembly are arranged in the shell box body. The utility model relates to the technical field of liquid chromatographs. The driving motor is started to drive the driving gear to rotate, the driving gear drives the gear ring to rotate, the gear ring drives the screen barrel to rotate, and the screen barrel rubs with the cleaning brush while rotating, so that impurities adhered to the screen barrel are cleaned, and meanwhile, the corrugated ring, the sleeve, the spring, the sliding rod and the rotating ring are matched with one another, so that the cleaning effect is improved. Therefore, the supporting vertical rods move up and down in a reciprocating mode, and the phenomenon that the screen barrel is blocked by small-particle impurities is effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of liquid chromatograph technical field, specifically a kind of anti-clogging liquid chromatograph. BACKGROUND

[0002] Liquid chromatograph is divided into liquid-liquid chromatography (LLC) and liquid-solid chromatography (LSC) according to the fixed phase is liquid or solid. Modern liquid chromatograph is composed of high-pressure infusion pump, sample injection system, temperature control system, chromatographic column, detector, signal recording system and other parts. Compared with classical liquid column chromatography device, it has the characteristics of high efficiency, rapidness and sensitivity.

[0003] However, liquid chromatograph in use process, since the drug solution, solvent detected by it itself has insoluble solid small particle impurities, and small particle impurities can form blockage in instrument, and then cause pressure increase in instrument, appear detection result accuracy reduces, even cause instrument failure damage situation, for this purpose, the utility model provides a kind of anti-clogging liquid chromatograph, pass through screen mesh cylinder and drive motor and so on Limiting structure to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an anti-clogging liquid chromatograph, which solves the above problems.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: an anti-clogging liquid chromatograph, comprising a shell box body, the shell box body top is symmetrically equipped with liquid storage bottle, the shell box body inside top layer is symmetrically equipped with pump body, the shell box body inside middle layer is fixedly installed with filter tank, the filter tank bottom is fixedly connected with residue drawer, the filter tank is provided with filter assembly and cleaning assembly inside, the filter tank side is connected with sample injector through pipeline one, the sample injector bottom is connected with chromatographic column, the shell box body inside bottom layer is equipped with detection analysis recorder and waste liquid collection bottle.

[0006] Preferably, the filter assembly includes a screen cylinder, a rotating cylinder, and a drive motor. A rotating ring is rotatably connected to the bottom side wall of the screen cylinder. A support ring is fixedly installed at the bottom of the filter tank. A partition is fixedly installed at the top of the filter tank. A rotating cylinder is fixedly installed on the top wall of the filter tank. The screen cylinder is rotatably connected to the top of the support ring. The top of the screen cylinder passes through a bushing to the top of the partition and is rotatably connected to the bottom of the rotating cylinder. The drive motor is fixedly installed on the inner side wall of the filter tank. A drive gear is fixedly installed at the output end of the drive motor. A toothed ring is fixedly installed on the outer surface of the screen cylinder. A corrugated ring is fixedly installed at the top of the screen cylinder. A fixing ring is fixedly installed on the inner side wall of the rotating cylinder. A support vertical rod is movably inserted through one side of the fixing ring. Cleaning brushes are evenly distributed on one side of the support vertical rod. A rolling wheel is fixedly installed at the top of the support vertical rod. An elastic mechanism is provided at the bottom of the support vertical rod.

[0007] Preferably, the elastic mechanism includes a sleeve fixedly installed on one side of the top of the support ring, a spring fixedly installed on the bottom wall of the inner wall of the sleeve, the top end of the spring fixedly extending through to the top of the rotating ring and fixedly installed with a sliding rod, and the top end of the sliding rod fixedly installed at the bottom end of the support rod.

[0008] Preferably, the cleaning assembly includes a water tank fixedly installed inside the middle layer of the outer casing, with a water outlet pipe fixedly connected to the top of the water tank, a water pump installed on the water outlet pipe, a telescopic hose fixedly connected to one end of the water outlet pipe, and a telescopic hose fixedly connected to the top of the support rod. Water spray nozzles are evenly distributed on the side wall of the support rod.

[0009] Preferably, the drive gear is meshed with the gear ring.

[0010] Preferably, the top of the rolling wheel is located directly below the corrugated ring.

[0011] Preferably, the two pump body inlet ends are connected to a second pipe, and the two pump body outlet ends are connected to the inside of the screen cylinder inside the filter tank through a third pipe. A flow valve is installed on the second pipe.

[0012] Beneficial effects

[0013] This invention provides an anti-clogging liquid chromatograph. Compared with the prior art, it has the following advantages:

[0014] Beneficial effects:

[0015] (1) The utility model discloses a drive motor is started and drives the rotation of the drive gear, and the drive gear drives the rotation of the gear ring, and the gear ring drives the rotation of the screen cylinder, and the screen cylinder rubs with the cleaning brush at the same time of rotation, thereby cleaning the impurities adhered to the screen cylinder, and through the cooperation between the corrugated ring, the sleeve, the spring, the sliding rod and the rotating ring, the supporting vertical rod moves up and down reciprocatingly, thereby effectively preventing the small particle impurities from causing the blockage of the screen cylinder.

[0016] (2) The utility model discloses the cooperation of water tank, water pump, water outlet pipe, telescopic hose and water spray opening is set up to the screen cylinder is washed, and through the cooperation of cleaning brush, the screen cylinder can be washed and cleaned simultaneously, and the impurities and sewage of cleaning are collected in the slag drawer, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the external structure front view of the utility model;

[0018] Fig. 2 It is the internal structure perspective drawing of the utility model;

[0019] Fig. 3 It is the filter assembly schematic drawing of the utility model;

[0020] Fig. 4 It is the structure schematic drawing of the filter assembly in A place of the utility model;

[0021] Fig. 5 It is the structure schematic drawing of the filter assembly in B place of the utility model;

[0022] Fig. 6 It is the cleaning assembly schematic drawing of the utility model.

[0023] In the drawing, 1, shell box body;2, liquid storage bottle;3, flow valve;4, chromatographic column;5, pump body;6, filter jar;7, sample feeder;8, detection analysis recorder;9, waste liquid collection bottle;10, slag drawer;100, filter assembly;101, screen cylinder;102, rotating cylinder;103, drive motor;104, partition;105, corrugated ring;106, drive gear;107, rotating ring;108, support ring;109, gear ring;110, supporting vertical rod;111, rolling wheel;112, fixed ring;113, cleaning brush;114, sleeve;115, spring;116, sliding rod;200, cleaning assembly;201, water tank;202, water pump;203, water outlet pipe;204, telescopic hose;205, water spray opening. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0025] Embodiment one:

[0026] Please refer to Figs. 1-6 A kind of anti-blocking liquid chromatograph, including shell box 1, shell box 1 top symmetry is equipped with liquid storage bottle 2, the top layer of shell box 1 inside symmetry is equipped with pump body 5, pump body 5 input is connected power supply through external cable, shell box 1 inside middle layer is fixedly installed with filter tank 6, filter tank 6 bottom is fixedly connected with residue drawer 10, filter tank 6 inside is provided with filter assembly 100 and cleaning assembly 200, filter tank 6 side is connected with sample injector 7 by pipeline one, sample injector 7 bottom is connected with chromatographic column 4, shell box 1 inside bottom layer is equipped with detection analysis recorder 8 and waste liquid collection bottle 9;

[0027] Two pump body 5 liquid inlet is communicated with pipeline two, the bottom end of pipeline two is communicated with filter head, filter head is located in the bottom of liquid storage bottle 2, the liquid outlet of two pump body 5 is communicated with the inside of filter screen cylinder 101 in filter tank 6 by pipeline three, flow valve 3 is arranged on pipeline two, flow valve 3 is used to control liquid flow, improve the precision of instrument test;

[0028] Filter assembly 100 includes filter screen cylinder 101, filter hole diameter on filter screen cylinder 101 is less than the diameter of impurity, rotating cylinder 102 and drive motor 103, rotating ring 107 is rotatably connected to the sidewall of the bottom of filter screen cylinder 101, support ring 108 is fixedly installed on the inner bottom of filter tank 6, baffle 104 is fixedly installed on the inner top of filter tank 6, rotating cylinder 102 is fixedly installed on the inner top wall of filter tank 6, support ring 108 is rotatably connected to the top of filter screen cylinder 101, filter screen cylinder 101 top end penetrates to the top of baffle 104 through shaft sleeve and is rotatably connected to the bottom end of rotating cylinder 102, drive motor 103 is fixedly installed on the inner sidewall of filter tank 6, drive gear 106 is fixedly installed on the output end of drive motor 103, gear ring 109 is fixedly installed on the outer surface of filter screen cylinder 101, corrugated ring 105 is fixedly installed on the inner top of filter screen cylinder 101, corrugated ring 105 is fixedly installed on the sidewall of filter screen cylinder 101 through support, fixed ring 112 is fixedly installed on the inner sidewall of rotating cylinder 102, support vertical rod 110 is movably penetrated on one side of fixed ring 112, cleaning brush 113 is uniformly distributed on one side of support vertical rod 110, cleaning brush 113 sidewall is fitted with filter screen cylinder 101 sidewall, rolling wheel 111 is fixedly installed on the top end of support vertical rod 110, and elastic mechanism is arranged on the bottom end of support vertical rod 110;

[0029] The elastic mechanism comprises a sleeve 114 fixedly installed on one side of the top of the support ring 108, a spring 115 fixedly installed on the inner bottom wall of the sleeve 114, the top end of the spring 115 fixedly penetrating into the top of the rotating ring 107 and fixedly installed with a sliding rod 116, the top end of the sliding rod 116 fixedly installed at the bottom end of the support vertical rod 110, and the top of the rolling wheel 111 always abutting against the bottom of the corrugated ring 105 through the reset action of the spring 115;

[0030] The driving gear 106 is in meshing connection with the gear ring 109.

[0031] The top of the rolling wheel 111 is located directly below the corrugated ring 105.

[0032] In detail, the output end of the driving motor 103 is connected with a power source through an external cable, and the gear ring 109 and the driving gear 106 are located on the top of the partition plate 104.

[0033] Embodiment Two:

[0034] Please refer to Figs. 1-6 The embodiment provides a technical scheme based on the embodiment one: the cleaning assembly 200 comprises a water tank 201 fixedly installed on one side of the middle layer inside the shell box body 1, the top of the water tank 201 is fixedly communicated with a water outlet pipe 203, the water outlet pipe 203 is provided with a water pump 202, one end of the water outlet pipe 203 is fixedly communicated with a flexible hose 204, one end of the flexible hose 204 is fixedly communicated with the top of the support vertical rod 110, and the side wall of the support vertical rod 110 is uniformly provided with water outlets 205.

[0035] In detail, the discharge port at the bottom of the filter tank 6 is provided with a control valve one, and the pipeline one communicated between the filter tank 6 and the sample feeder 7 is provided with a control valve two, so that the impurities can be discharged into the slag collecting drawer 10 for collection by opening the control valve one.

[0036] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0037] Working principle: when using the anti-blocking liquid chromatograph, the liquid in the liquid storage bottle 2 is pumped into the filter tank 6 by starting the pump body 5, the flow of the liquid is controlled by the flow valve 3, and the liquid is preliminarily filtered by the filter head when pumping the liquid, so as to avoid large-particle impurities from being pumped into pipeline two and pipeline three, the liquid is pumped into the filter tank 6, and after being filtered by the screen cylinder 101 in the filter tank 6, the impurities are left inside the screen cylinder 101, the impurities will cause the filter holes of the screen cylinder 101 to be blocked, the driving motor 103 is started to drive the gear 106 to rotate, the gear 106 drives the gear ring 109 to rotate, the gear ring 109 drives the screen cylinder 101 to rotate, the impurities adhered to the inner wall of the screen cylinder 101 are cleaned through the friction between the rotating screen cylinder 101 and the cleaning brush 113, at the same time, the water pump 202 is started to pump the water in the water tank 201 into the support vertical rod 110, and then the water is sprayed out through the water outlet 205 to flush the side wall of the screen cylinder 101, then the control valve one is opened to discharge the impurities into the slag collecting drawer 10 for collection, the filtered liquid is delivered into the sample injector 7 for detection through the opening of the control valve two, and after detection, the liquid is discharged into the waste liquid collecting bottle 9 for collection.

[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A clog-resistant liquid chromatograph, comprising a housing (1), characterized in that: The outer casing (1) is symmetrically equipped with a liquid storage bottle (2) on the top. The outer casing (1) is symmetrically equipped with a pump body (5) on the top layer inside. The outer casing (1) is fixedly installed with a filter tank (6) in the middle layer inside. The bottom of the filter tank (6) is fixedly connected to a slag collection tray (10). The filter tank (6) is equipped with a filter assembly (100) and a cleaning assembly (200). The filter tank (6) is connected to an injector (7) through a pipe on one side. The bottom of the injector (7) is connected to a chromatographic column (4). The outer casing (1) is equipped with a detection and analysis recorder (8) and a waste liquid collection bottle (9) at the bottom layer inside.

2. The anti-clogging liquid chromatograph according to claim 1, characterized in that: The filter assembly (100) includes a screen cylinder (101), a rotating cylinder (102), and a drive motor (103). A rotating ring (107) is rotatably connected to the bottom side wall of the screen cylinder (101). A support ring (108) is fixedly installed at the bottom of the filter tank (6). A partition (104) is fixedly installed at the top of the filter tank (6). The rotating cylinder (102) is fixedly installed on the top wall of the filter tank (6). The top of the support ring (108) is rotatably connected to the screen cylinder (101). The top of the screen cylinder (101) passes through a bushing to the top of the partition (104) and is rotatably connected to the bottom of the rotating cylinder (102). The drive motor (103) The drive motor (103) is fixedly installed on the inner wall of the filter tank (6), the output end of the drive motor (103) is fixedly installed with a drive gear (106), the outer surface of the screen cylinder (101) is fixedly installed with a toothed ring (109), the top of the screen cylinder (101) is fixedly installed with a corrugated ring (105), the inner wall of the rotating cylinder (102) is fixedly installed with a fixing ring (112), a support vertical rod (110) is movably inserted through one side of the fixing ring (112), a cleaning brush (113) is evenly distributed on one side of the support vertical rod (110), a rolling wheel (111) is fixedly installed at the top of the support vertical rod (110), and an elastic mechanism is provided at the bottom of the support vertical rod (110).

3. The anti-clogging liquid chromatograph according to claim 2, characterized in that: The elastic mechanism includes a sleeve (114) fixedly installed on one side of the top of the support ring (108). A spring (115) is fixedly installed on the bottom wall of the inner wall of the sleeve (114). The top end of the spring (115) is fixedly extended to the top of the rotating ring (107) and a sliding rod (116) is fixedly installed thereon. The top end of the sliding rod (116) is fixedly installed at the bottom end of the support vertical rod (110).

4. The anti-clogging liquid chromatograph according to claim 1, characterized in that: The cleaning assembly (200) includes a water tank (201) fixedly installed on one side of the middle layer inside the outer casing (1). The top of the water tank (201) is fixedly connected to a water outlet pipe (203). A water pump (202) is installed on the water outlet pipe (203). One end of the water outlet pipe (203) is fixedly connected to a telescopic hose (204). One end of the telescopic hose (204) is fixedly connected to the top of a support rod (110). Spray nozzles (205) are evenly distributed on the side wall of the support rod (110).

5. A clog-resistant liquid chromatograph according to claim 2, characterized in that: The drive gear (106) is meshed with the gear ring (109).

6. The anti-clogging liquid chromatograph according to claim 2, characterized in that: The top of the rolling wheel (111) is located directly below the corrugated ring (105).

7. The anti-clogging liquid chromatograph according to claim 1, characterized in that: The two pump bodies (5) are connected to the inlet end of the two pump bodies (5) by a second pipe, and the outlet end of the two pump bodies (5) is connected to the inside of the screen cylinder (101) inside the filter tank (6) through a third pipe. A flow valve (3) is installed on the second pipe.

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