Solid-phase extraction device with purging function

Abstract

The utility model discloses a solid-phase extraction device with a purging function, which comprises solid-phase extraction equipment and is characterized in that one side of the solid-phase extraction equipment is connected with a reciprocating component through a rotating component, and the reciprocating component is connected with a purging component; the blowing assembly comprises an annular cavity, blowing heads and an air inlet, a group of uniformly distributed blowing heads are arranged on the lower side of the annular cavity, and the air inlet is formed in the upper side of the annular cavity. The utility model relates to the technical field of chemical analysis and laboratories, in particular to a solid-phase extraction device with a purging function, which automatically blows inert gas to an extraction column inlet of the solid-phase extraction device through a purging assembly, realizes automatic drying treatment and avoids tedious manual operation and possible pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical analysis and laboratories, in particular to a solid phase extraction device with a purge function. Background Art

[0002] In the field of solid phase extraction, traditional solid phase extraction devices usually do not have an automatic purge function, which may cause the extraction column inlet to be easily contaminated or affected by moisture during operation, thereby affecting the extraction efficiency and the accuracy of the results. In addition, if there is water at the bottom of the solid phase extraction device, the pump is likely to suck water into the pump when it is working, causing damage to the pump and causing economic losses. Therefore, the development of a solid phase extraction device with an automatic purge function is of great significance to improving the reliability and convenience of the experiment. Summary of the invention

[0003] The utility model provides a solid phase extraction device with a purge function. The utility model automatically blows inert gas to the extraction column inlet of the solid phase extraction device through a purge component, thereby realizing automatic drying treatment and avoiding cumbersome manual operation and possible pollution.

[0004] A solid phase extraction device with a purge function, comprising a solid phase extraction device, characterized in that: one side of the solid phase extraction device is connected to a reciprocating component via a rotating component, and the reciprocating component is connected to a purge component;

[0005] The purge assembly comprises an annular cavity, an air blowing head and an air inlet, a group of evenly arranged air blowing heads are arranged on the lower side of the annular cavity, and the air inlet is arranged on the upper side of the annular cavity;

[0006] The annular cavity is connected to the rotating assembly through a limiting assembly, the limiting assembly includes a vertical plate, and the upper parts of both sides of the vertical plate are respectively fixedly connected to the clamping rods, the rotating assembly includes a clamping slot, and the clamping slot includes symmetrical transverse slots and vertical slots, the symmetrical transverse slots and vertical slots form a cross-shaped clamping slot, the transverse slot of the clamping slot matches the clamping rod, and the vertical slot of the clamping slot matches the upper part of the vertical plate.

[0007] As a further limitation of the present technical solution, the reciprocating assembly includes a rotating wheel, tooth one, tooth two and motor one, the output shaft of motor one passes through the central hole of the annular cavity and the lower end is fixedly connected to the center of the rotating wheel, tooth one is provided on the arc-shaped wall surface of the rotating wheel, tooth two is fixedly connected to the two sides of the lower inner side of the annular cavity, and tooth one meshes with tooth two.

[0008] As a further limitation of the present technical solution, the rotating assembly includes a second motor and an L-shaped bracket, the vertical rod of the L-shaped bracket fixes the output shaft of the second motor, the second motor fixes one side of the solid phase extraction device, and the slot is provided on the lower side of the horizontal rod of the L-shaped bracket.

[0009] As a further limitation of the present technical solution, the teeth are evenly arranged along the arc-shaped wall surface of the rotating wheel and the teeth are arranged along 1 / 3 of the circumference of the arc-shaped wall surface of the rotating wheel.

[0010] As a further limitation of the technical solution, a liquid outlet pipe is provided on one side of the solid phase extraction device.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] The purge component automatically blows inert gas to the extraction column inlet of the solid phase extraction equipment to achieve automated drying treatment, avoiding the tedious manual operation and possible pollution;

[0013] The design of the limit assembly and the rotating assembly ensures the stability and accuracy of the reciprocating assembly and the purge assembly, thereby ensuring the repeatability and reliability of the operation;

[0014] The accumulated liquid at the bottom of the solid phase extraction device can be dried to avoid damage caused by water being pumped into the pump during extraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0016] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 1 ;

[0019] Figure 4 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 2 ;

[0020] Figure 5 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 3 .

[0021] In the figure: 1-L-shaped bracket, 2-motor one, 3-annular cavity, 4-solid phase extraction equipment, 5-liquid outlet pipe, 6-air inlet, 7-center hole, 8-vertical plate, 9-clamping rod, 10-blowing head, 11-rotating wheel, 12-tooth two, 13-tooth one, 14-cage, 15-motor two. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-Figure 5 The utility model is further described with implementation modes.

[0023] The specific embodiments of the present utility model are:

[0024] A solid phase extraction device with a purge function, comprising a solid phase extraction device 4, one side of the solid phase extraction device 4 is connected to a reciprocating component via a rotating component, and the reciprocating component is connected to a purge component;

[0025] The purge assembly includes an annular cavity 3, an air blowing head 10 and an air inlet 6. A group of evenly arranged air blowing heads 11 are provided on the lower side of the annular cavity 3, and the air inlet 6 is provided on the upper side of the annular cavity 3.

[0026] The annular cavity 3 is connected to the rotating assembly through a limiting assembly, the limiting assembly includes a vertical plate 8, and the upper parts of both sides of the vertical plate 8 are respectively fixedly connected to the clamping rod 9, the rotating assembly includes a clamping slot 14, and the clamping slot 14 includes symmetrical transverse grooves and vertical grooves, and the symmetrical transverse grooves and vertical grooves form a cross-shaped clamping slot, the transverse groove of the clamping slot 14 matches the clamping rod 9, and the vertical groove of the clamping slot 14 matches the upper part of the vertical plate 8.

[0027] In this embodiment, inert gas is blown to the extraction column inlet of the solid phase extraction equipment through a purge component to achieve drying treatment. When in use, the air inlet 6 is connected to the air outlet pump of the inert gas conveyor through a connecting pipe, and the inert gas is discharged through the blowing head 10.

[0028] In this embodiment, the vertical plate 8 and the clamping rod 9 reciprocate along the clamping groove 14 , which can limit and guide the reciprocating movement of the annular cavity 3 , and the clamping groove 14 supports the clamping rod 9 .

[0029] The reciprocating moving component includes a rotating wheel 11, tooth 1 13, tooth 2 12 and motor 1 2. The output shaft of motor 1 2 passes through the central hole 7 of the annular cavity 3 and the lower end is fixedly connected to the center of the rotating wheel 11. Tooth 1 13 is provided on the arc-shaped wall surface of the rotating wheel 11. Tooth 2 12 is fixedly connected to both sides of the lower inner side of the annular cavity 3, and tooth 1 13 meshes with tooth 2 12.

[0030] In this embodiment, the output shaft of motor 12 rotates to drive the rotating wheel 11 to rotate, and the rotating wheel 11 can drive the tooth 13 to rotate. The tooth 13 is alternately meshed with the tooth 2 12. The reciprocating movement of the annular cavity 3 is realized through the meshing transmission of the tooth 13 and the tooth 2 12 on both sides. The annular cavity 3 reciprocates on the upper side of the solid phase extraction device 4, and the annular cavity 3 drives the vertical plate 8 and the clamping rod 9 to reciprocate along the clamping groove 14.

[0031] The rotating assembly includes a second motor 15 and an L-shaped bracket 1, the vertical rod of the L-shaped bracket 1 fixes the output shaft of the second motor 15, the second motor 15 fixes one side of the solid phase extraction device 4, and the lower side of the horizontal rod of the L-shaped bracket 1 is provided with the slot 14.

[0032] In this embodiment, motor 2 15 can drive the L-shaped bracket 1 to rotate. When purging is required, the output shaft of motor 2 15 is controlled to rotate to drive the L-shaped bracket 1 and the annular cavity 3 to rotate to the upper side of the solid phase extraction equipment 4. When purging is not required, the annular cavity 3 is rotated to one side of the solid phase extraction equipment 4.

[0033] The teeth 13 are evenly arranged along the arc-shaped wall surface of the rotating wheel 11 and the teeth 13 are arranged along 1 / 3 of the circumference of the arc-shaped wall surface of the rotating wheel 11 .

[0034] In this embodiment, tooth 13 is evenly arranged along the arc-shaped wall surface of the rotating wheel 11 and tooth 13 is set along 1 / 3 of the circumference of the arc-shaped wall surface of the rotating wheel 11. Such a design enables the rotating wheel 11 to drive tooth 13 to rotate and alternately mesh with tooth 2 12 on both sides.

[0035] A liquid outlet pipe 5 is disposed on one side of the solid phase extraction device 4 .

[0036] The motor 1 2 and the motor 2 15 are electrically connected to a power source, and the liquid outlet pipe 5 is connected to a liquid pump.

[0037] In this embodiment, when in use, ensure that the solid phase extraction device 4 has been installed on the laboratory table, and connect the outlet pump of the inert gas conveyor to the air inlet 6 of the solid phase extraction device through a connecting pipe to ensure that the gas can flow;

[0038] Connect the power supply, start motor 1 2 and motor 2 15, and ensure that the motors can work normally;

[0039] When drying is required, the L-shaped bracket 1 is driven by the motor 2 15 to rotate the annular cavity 3 to the upper side of the solid phase extraction equipment 4 and align it with the extraction column inlet, and the motor 1 2 is started. The output shaft thereof rotates to drive the rotating wheel 11, and the tooth 13 on the rotating wheel 11 meshes with the tooth 2 12 inside the annular cavity 3 to realize the reciprocating movement of the annular cavity 3, thereby driving the vertical plate 8 and the clamping rod 9 to reciprocate along the clamping groove 14 to complete the purging of the extraction column inlet. The inert gas enters the annular cavity 3 through the air inlet 6 and is discharged through the evenly arranged blowing heads 10 to dry the extraction column inlet of the solid phase extraction equipment. After the drying process is completed, the operation of the motor 1 2 is stopped, and the L-shaped bracket 1 is driven by the motor 2 15 to rotate the annular cavity 3 to one side of the solid phase extraction equipment 4, the purging process is stopped, and the extract is collected through the liquid outlet pipe 5.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A solid phase extraction device with a purge function, comprising a solid phase extraction device (4), characterized in that: One side of the solid phase extraction device (4) is connected to a reciprocating component via a rotating component, and the reciprocating component is connected to a purge component; The purge assembly comprises an annular cavity (3), an air blowing head (10) and an air inlet (6); a group of evenly arranged air blowing heads (10) are arranged on the lower side of the annular cavity (3), and the air inlet (6) is arranged on the upper side of the annular cavity (3); The annular cavity (3) is connected to the rotating assembly via a limiting assembly, the limiting assembly comprising a vertical plate (8), the upper parts of both sides of the vertical plate (8) being fixedly connected to clamping rods (9), the rotating assembly comprising a clamping slot (14), the clamping slot (14) comprising symmetrical transverse slots and vertical slots, the symmetrical transverse slots and vertical slots forming a cross-shaped clamping slot, the transverse slot of the clamping slot (14) matching the clamping rod (9), and the vertical slot of the clamping slot (14) matching the upper part of the vertical plate (8).

2. The solid phase extraction device with a purge function according to claim 1, characterized in that: The reciprocating motion assembly comprises a rotating wheel (11), a tooth 1 (13), a tooth 2 (12) and a motor 1 (2); the output shaft of the motor 1 (2) passes through the central hole (7) of the annular cavity (3) and the lower end is fixedly connected to the center of the rotating wheel (11); the tooth 1 (13) is arranged on the arc-shaped wall surface of the rotating wheel (11); the inner sides of the lower side of the annular cavity (3) are respectively fixedly connected to the tooth 2 (12); the tooth 1 (13) meshes with the tooth 2 (12).

3. The solid phase extraction device with a purge function according to claim 2, characterized in that: The rotating assembly comprises a second motor (15) and an L-shaped bracket (1), wherein the vertical rod of the L-shaped bracket (1) fixes the output shaft of the second motor (15), the second motor (15) fixes one side of the solid phase extraction device (4), and the lower side of the horizontal rod of the L-shaped bracket (1) is provided with the slot (14).

4. The solid phase extraction device with a purge function according to claim 2, characterized in that: The teeth 1 (13) are evenly arranged along the arc-shaped wall surface of the rotating wheel (11), and the teeth 1 (13) are arranged along 1 / 3 of the circumference of the arc-shaped wall surface of the rotating wheel (11).

5. The solid phase extraction device with purge function according to claim 1, characterized in that: A liquid outlet pipe (5) is provided on one side of the solid phase extraction device (4).

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