CN213240036U - Anti-blocking high performance liquid chromatograph - Google Patents

Abstract

An anti-clogging high performance liquid chromatograph comprises an outer box body; two liquid storage bottles are arranged at the top of the outer box body, one end of the liquid pumping pipe is arranged in the liquid storage bottles, and a flow control valve sleeve is arranged between the liquid storage bottles and connected to the outer part of the liquid pumping pipe; a filtering device is arranged in the middle layer in the outer box body, a slag discharging valve is arranged at the bottom of the filtering device, and a liquid outlet valve is connected to the bottom of the right side of the filtering device; the liquid outlet valve is connected with the sample injector, the bottom of the sample injector is connected with a chromatographic column, and the chromatographic column is connected with the detection analysis recorder; this prevent high performance liquid chromatograph of jam is through rotating the knob, promotes the clamp splice and at the backward motion of sliding cavity to the liquid suction pipe of extrusion lumen is favorable to playing the effect of control flow, realizes the control to experimental liquid, improves the precision of instrument test, and cooperation filter equipment is favorable to guaranteeing to avoid the inside jam of piling up of toper filter chamber when carrying out filterable to detecting liquid, increases the filter effect.

Description

Anti-blocking high performance liquid chromatograph

Technical Field

The utility model relates to a high performance liquid chromatograph technical field especially relates to a prevent high performance liquid chromatograph of jam.

Background

The high performance liquid chromatograph is an instrument device which applies the high performance liquid chromatograph principle and is mainly used for analyzing organic compounds with high boiling points, difficult volatilization, unstable heating and large molecular weight, a mobile phase in a liquid storage device is pumped into a system by a high pressure pump, a sample solution enters the mobile phase through a sample injector and is loaded into a chromatographic column by the mobile phase, the sample solution is separated into single components which sequentially flow out of the column, and when the sample solution passes through a detector, the concentration of the sample is converted into an electric signal which is transmitted to a recorder.

The casing that has the patent number for CN211348069U through the patent retrieval, the top fixedly connected with mounting plate of casing, the inside of mounting plate is provided with the mounting hole, the inside swing joint in mounting hole has the liquid bottle of depositing, the fixed surface who deposits the liquid bottle is connected with the liquid suction pipe, the one end fixedly connected with who deposits the liquid bottle is stretched into to the liquid suction pipe and is filtered the ball, the one end fixedly connected with who deposits the liquid bottle is kept away from to the liquid suction pipe filters the valve body, filter the inside fixedly connected with filter screen of valve body, the inside of filtering the valve body and the below that is located the filter screen are provided with out dirty mouthful, the below swing joint that goes out dirty mouthful has the bottle of depositing.

Based on the aforesaid, the inventor finds that the high performance liquid chromatograph of current anti-clogging simply detects the transport of liquid through high also transfer pump, and the flow size of liquid can not be detected in the control, plays accurate flow control effect to detecting the liquid, and filter equipment's cleanness is comparatively troublesome, detects the particulate matter impurity in the liquid and blocks up filter equipment easily, makes the filter effect reduce.

Therefore, the anti-clogging high performance liquid chromatograph is researched and improved aiming at the existing structure and defects, and the anti-clogging high performance liquid chromatograph is provided so as to achieve the purpose of higher practical value.

Disclosure of Invention

An object of the utility model is to provide a prevent high performance liquid chromatograph of jam to the current prevent jam high performance liquid chromatograph who proposes in solving above-mentioned background art detects the transport of liquid through high also transfer pump simply, and the flow size of liquid is detected in the uncontrollable, plays accurate flow control effect to detecting liquid, and filter equipment's cleanness is comparatively troublesome, detects the particulate matter impurity in the liquid and blocks up filter equipment easily, makes the problem that the filter effect reduces.

The utility model discloses prevent purpose and the efficiency of high performance liquid chromatograph of jam is reached by following concrete technological means:

an anti-clogging high performance liquid chromatograph, wherein the anti-clogging high performance liquid chromatograph comprises an outer box body; two liquid storage bottles are arranged at the top of the outer box body, one end of the liquid pumping pipe is arranged in the liquid storage bottles, and a flow control valve sleeve is arranged between the liquid storage bottles and connected to the outer part of the liquid pumping pipe; a high-pressure infusion pump is arranged on the inner top layer of the outer box body; a filtering device is arranged in the middle layer in the outer box body, a slag discharging valve is arranged at the bottom of the filtering device, and a liquid outlet valve is connected to the bottom of the right side of the filtering device; the slag discharge valve is communicated with the waste residue collecting bottle through a pipeline; the liquid outlet valve is connected with the sample injector, the bottom of the sample injector is connected with a chromatographic column, and the chromatographic column is connected with the detection analysis recorder; the left side of the detection analysis recorder is communicated with a waste liquid collecting bottle.

Further, flow control valve includes knob, clamp splice, smooth chamber and lumen, and flow control valve is the rectangle structure, and flow control valve top terminal surface vertically runs through and is provided with two lumens, and the liquid suction pipe is placed in the lumen, and flow control valve's inside symmetry is provided with two smooth chambers, and sliding intracavity sliding connection has the clamp splice to the front side of clamp splice rotates and is connected with the knob, knob threaded connection is in flow control valve front side outer wall.

Further, filter equipment's inside is equipped with the toper filter chamber of back taper, has seted up intensive filtration pore on the outer wall of toper filter chamber, and filter equipment's bottom terminal surface is the slope form of high right-hand low, and filter equipment's right side bottom is provided with the liquid outlet, and the liquid outlet is linked together with the play liquid valve.

Furthermore, the one end that the liquid suction pipe was placed in the stock solution bottle is provided with the filter head, and the filter head is cylindrical to be provided with four rows of filtration pores on the filter head lateral wall.

Furthermore, the bottom of the conical filter cavity is connected with a waste residue discharge pipe, and the waste residue discharge pipe is communicated with a slag discharge valve.

Compare with current structure under, the utility model discloses following beneficial effect has:

flow control valve's setting, through rotating the knob, promote the clamp splice at the smooth intracavity rearward movement, thereby extrude the liquid suction pipe of lumen, be favorable to playing control flow's effect, realize the control to experimental liquid, improve the precision of instrument test, and cooperation filter equipment, filter particulate matter and indissolvable material in detecting liquid, the sample injector is carried through the liquid outlet to the detection liquid after the filtration, be favorable to guaranteeing to carry out filterable avoiding the inside jam that piles up of toper filter chamber in detecting liquid, increase the filter effect, and make the toper filter chamber keep good filtering action.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the liquid storage bottle and the filtering device of the present invention;

FIG. 3 is a schematic sectional view of the liquid storage bottle and the filtering device after the outer casing is removed;

FIG. 4 is a schematic cross-sectional view of the liquid suction pipe and the flow control valve of the present invention;

fig. 5 is a schematic view of the cross-sectional enlarged structure of the flow control valve of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an outer case; 2. a liquid storage bottle; 3. a liquid pumping pipe; 301. a filter head; 4. a high-pressure infusion pump; 5. a filtration device; 501. a conical filter chamber; 502. a waste residue discharge pipe; 503. a liquid outlet; 6. a sample injector; 7. a chromatographic column; 8. detecting an analysis recorder; 9. a waste liquid collecting bottle; 10. a flow control valve; 1001. a knob; 1002. a clamping block; 1003. a slide chamber; 1004. a lumen; 11. a liquid outlet valve; 12. a waste residue collecting bottle; 14. and a slag discharge valve.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a prevent high performance liquid chromatograph of jam, including: an outer case 1; two liquid storage bottles 2 are placed at the top of the outer box body 1, one end of a liquid suction pipe 3 is placed in the liquid storage bottles 2, a flow control valve 10 is arranged between the liquid storage bottles 2 and is sleeved outside the liquid suction pipe 3, a filter head 301 is arranged at one end of the liquid suction pipe 3 placed in the liquid storage bottles 2, the filter head 301 is cylindrical, and four rows of filter holes are formed in the side wall of the filter head 301; the inner top layer of the outer box body 1 is provided with a high-pressure infusion pump 4; a filtering device 5 is arranged at the middle layer in the outer box body 1, a slag discharge valve 14 is arranged at the bottom of the filtering device 5, and a liquid outlet valve 11 is connected to the right bottom of the filtering device 5; the slag discharging valve 14 is communicated with the waste residue collecting bottle 12 through a pipeline; the liquid outlet valve 11 is connected with the sample injector 6, the bottom of the sample injector 6 is connected with the chromatographic column 7, and the chromatographic column 7 is connected with the detection analysis recorder 8; the left side of the detection analysis recorder 8 is communicated with a waste liquid collecting bottle 9.

Wherein, flow control valve 10 includes knob 1001, clamp splice 1002, sliding cavity 1003 and lumen 1004, flow control valve 10 is the rectangle structure, flow control valve 10 top terminal surface vertically runs through and is provided with two places lumen 1004, it places in lumen 1004 to take out liquid pipe 3, the inside symmetry of flow control valve 10 is provided with two places sliding cavity 1003, and sliding connection has clamp splice 1002 in sliding cavity 1003, and the front side of clamp splice 1002 rotates and is connected with knob 1001, knob 1001 threaded connection is in flow control valve 10 front side outer wall, when using, through rotating knob 1001, promote clamp splice 1002 and backward move in sliding cavity 1003, thereby extrude the liquid pipe 3 in lumen 1004, be convenient for play the effect of control flow, realize the control to experimental liquid, improve the precision of instrument test.

Wherein, the interior of the filtering device 5 is provided with a cone-shaped filtering cavity 501 with an inverted cone shape, the outer wall of the cone-shaped filtering cavity 501 is provided with dense filtering holes, the end surface of the bottom of the filtering device 5 is in an inclined shape with a higher left part and a lower right part, the bottom of the right side of the filtering device 5 is provided with a liquid outlet 503, the liquid outlet 503 is communicated with the liquid outlet valve 11, when the device is used, detection liquid enters through the top of the filtering device 5, the detection liquid firstly filters particulate matters and indissolvable substances in the detection liquid through the conical filtering cavity 501, the filtered detection liquid is conveyed to the sample injector 6 through the liquid outlet 503, because the conical filtering cavity 501 is designed in an inverted cone shape, so filterable particulate matter and indissoluble material all can pile up in the bottom of toper filter chamber 501, are convenient for guarantee to avoid the inside jam that piles up of toper filter chamber 501 when carrying out filterable to detecting liquid, increase the filter effect to make toper filter chamber 501 keep good filtering action.

Wherein, the bottom of toper filter chamber 501 is connected with waste residue discharge pipe 502, and waste residue discharge pipe 502 is linked together with slag discharging valve 14, and when using, through opening slag discharging valve 14, can discharge the particulate matter impurity and the difficult-to-hold material that remain in toper filter chamber 501 through waste residue discharge pipe 502, the automatically cleaning of the inside toper filter chamber 501 of filter equipment 5 of being convenient for reduces the operation degree of difficulty, improves the filter effect, increases detection efficiency.

The specific use mode and function of the embodiment are as follows:

when the anti-clogging high performance liquid chromatograph is used, the high-pressure infusion pump 4 extracts detection liquid from the liquid storage bottle 2 through the liquid suction pipe 3, the filter head 301 performs primary filtration on the detection liquid entering the liquid suction pipe 3 while extracting the detection liquid, large-particle impurities are prevented from being extracted into a pipeline, large-particle substances are reduced from reaching the filter device 5, the clamp block 1002 is pushed to move backwards in the sliding cavity 1003 by rotating the knob 1001, so that the liquid suction pipe 3 in the pipe cavity 1004 is extruded, the flow control function is conveniently realized, the control on experimental liquid is realized, the precision of instrument testing is improved, the detection liquid enters through the top of the filter device 5, the detection liquid firstly filters particulate matters and indissolvable substances in the detection liquid through the conical filter cavity 501, the filtered detection liquid is conveyed to the sample injector 6 through the liquid outlet 503, and the conical filter cavity 501 adopts an inverted cone design, filterable particulate matter and indissoluble material all can pile up in the bottom of toper filter chamber 501, are convenient for guarantee to avoid the inside jam that piles up of toper filter chamber 501 when carrying out filterable to detecting liquid, increase the filter effect.

In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent replacements may be made to some technical features of the embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (5)

1. The utility model provides a high performance liquid chromatograph who prevents blockking up which characterized in that: comprises an outer box body (1); two liquid storage bottles (2) are arranged at the top of the outer box body (1), one end of the liquid pumping pipe (3) is arranged in the liquid storage bottles (2), and a flow control valve (10) is arranged between the liquid storage bottles (2) and is sleeved outside the liquid pumping pipe (3); a high-pressure infusion pump (4) is arranged on the top layer in the outer box body (1); a filtering device (5) is arranged in the middle layer in the outer box body (1), a slag discharge valve (14) is arranged at the bottom of the filtering device (5), and a liquid outlet valve (11) is connected to the bottom of the right side of the filtering device (5); the slag discharging valve (14) is communicated with the waste residue collecting bottle (12) through a pipeline; the liquid outlet valve (11) is connected with the sample injector (6), the bottom of the sample injector (6) is connected with the chromatographic column (7), and the chromatographic column (7) is connected with the detection analysis recorder (8); the left side of the detection analysis recorder (8) is communicated with a waste liquid collecting bottle (9).

2. The anti-jam hplc of claim 1, wherein: flow control valve (10) are including knob (1001), clamp splice (1002), smooth chamber (1003) and lumen (1004), flow control valve (10) are the rectangle structure, flow control valve (10) top terminal surface vertically runs through and is provided with two lumen (1004), place in lumen (1004) liquid suction pipe (3), the inside symmetry of flow control valve (10) is provided with two smooth chamber (1003), and sliding connection has clamp splice (1002) in chamber (1003), and the front side rotation of clamp splice (1002) is connected with knob (1001), knob (1001) threaded connection is in flow control valve (10) front side outer wall.

3. The anti-jam hplc of claim 1, wherein: the inside of filter equipment (5) is equipped with toper filter chamber (501) of back taper, has seted up intensive filtration pore on the outer wall of toper filter chamber (501), and the bottom terminal surface of filter equipment (5) is the slope form of height from left to right low, and the right side bottom of filter equipment (5) is provided with liquid outlet (503), and liquid outlet (503) are linked together with play liquid valve (11).

4. The anti-jam hplc of claim 1, wherein: one end of the liquid pumping pipe (3) placed in the liquid storage bottle (2) is provided with a filter head (301), the filter head (301) is cylindrical, and four rows of filter holes are formed in the side wall of the filter head (301).

5. The anti-jam hplc of claim 3, wherein: the bottom of the conical filter cavity (501) is connected with a waste residue discharge pipe (502), and the waste residue discharge pipe (502) is communicated with the slag discharge valve (14).

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