CN219481643U - Assembled solid phase extraction device - Google Patents

Abstract

The application relates to the technical field of test equipment, and particularly discloses an assembled solid-phase extraction device which comprises a box body, a cover plate, a liquid outlet hose and an extraction assembly, and further comprises a plurality of replacement plates with different specifications, wherein a plurality of replacement plates are provided with placement holes corresponding to the liquid outlet hose, and the placement hole diameters of the replacement plates with different specifications are different; the box body is provided with a connecting component for detachably connecting the replacement plate below the liquid outlet hose. The application has the effect that liquid leakage is difficult to generate in the test process.

Description

Assembled solid phase extraction device

Technical Field

The application relates to the field of test equipment technology, in particular to an assembled solid phase extraction device.

Background

Solid phase extraction is a sample pretreatment technique for separation, purification and concentration of samples, and is mainly used for reducing interference of sample matrix and improving detection sensitivity.

In the related art, a solid phase extraction device comprises a transparent box body and a cover plate covered on the box body, wherein a liquid outlet hose and an extraction assembly for guiding out raw liquid to the liquid outlet hose are detachably arranged on the cover plate. To collect various stock solutions such as waste solutions, interfering substance separation solutions, target substance separation solutions, etc., generated during the test. In the test process, various collection containers such as waste liquid tanks, test tubes and the like are placed in the box body in sequence. When placing the test tube, a transverse plate is often erected in the box body, and an opening for vertically inserting the test tube is formed in the transverse plate.

In the laboratory practical operation process, when the sample size is large, the collection of the separation liquid is difficult to be completed once due to the low-capacity test tube, and the device is often required to be started and stopped and the test tube is required to be replaced frequently. If use large capacity like the collection container that rotatory distillation flask etc. can be used to follow-up experiment when carrying out the collection of separating liquid, because rotatory distillation flask is the small-bore bottle of long neck form, and the rotatory distillation flask that is used for the experiment often has multiple dimension specification for when carrying out rotatory distillation flask's placing, because rotatory distillation flask puts the position precision poor, make the liquid inlet of rotatory distillation flask be difficult to accurate alignment play liquid hose's liquid outlet, make the circumstances of easily producing the weeping in the test process, therefore this needs to be improved.

Disclosure of Invention

In order to solve the problem of easy liquid leakage in the test process, the application provides a solid phase extraction device.

The application provides an assembled solid phase extraction device adopts following technical scheme:

the assembled solid phase extraction device comprises a box body, a cover plate, a liquid outlet hose and an extraction assembly, and further comprises a plurality of replacement plates with different specifications, wherein a plurality of replacement plates are provided with placement holes corresponding to the liquid outlet hose, and the placement holes of the replacement plates with different specifications are different in pore diameter; the box body is provided with a connecting component for detachably connecting the replacement plate below the liquid outlet hose.

Through adopting above-mentioned technical scheme, in the test process, the test personnel is according to the container that holds that needs to use, and to the replacement board of placing hole aperture in the box installation correspondence, then will replace the board and install in the box through coupling assembling, will hold the container again and place in the hole of placing of replacement board to hold the container and pass through the location of placing Kong Jingzhun in the box, and then realize holding the accurate alignment of the feed liquor hole of container and the play liquid hole of play liquid hose, make the difficult condition that produces the weeping in the test process.

Optionally, the box includes a plurality of risers, the jack has been seted up towards a side of riser to the replacement board, coupling assembling is including setting up just be used for supporting the support piece of replacement board bottom surface in the box, the activity sets up inserted bar on the riser, set up on the riser and be used for driving the inserted bar to insert the regulating part of jack.

Through adopting above-mentioned technical scheme, when carrying out the installation of replacement board, support in advance the replacement board through support piece, then drive the inserted bar through the regulating part and insert in the jack, can realize the quick locking installation of replacement board on the riser. When the replacement plate needs to be replaced, the inserted link is adjusted to enable the inserted link to be separated from the replacement plate, so that the locking of the replacement plate on the vertical plate can be released, and the replacement of the replacement plate can be conveniently and rapidly carried out by test staff.

Optionally, the support piece includes the backup pad of setting firmly on the riser lateral wall, backup pad up end with the laminating of replacement board lower terminal surface slides.

Through adopting above-mentioned technical scheme, the backup pad of setting on the riser lateral wall can carry out stable support to the lower terminal surface of replacement board for the replacement board is unsettled to be supported in the box inside, and when conveniently replacing the container on the board and carrying out the collection of stoste, the experimenter can be free from the observation of carrying out the stock solution bearing capacity of container.

Optionally, the locating strip has been set firmly to the backup pad up end, the locating hole that supplies the locating strip grafting is seted up to the replacement board lower terminal surface.

By adopting the technical scheme, in the installation process of the supporting plate, the installation stability of the supporting plate is further improved through the insertion and matching of the positioning strips and the positioning holes; and moreover, the support plate can be guided in the vertical direction through the inserted positioning strips, so that the insertion holes in the support plate are aligned with the inserted rods rapidly, and accurate and rapid installation of the support plate is realized.

Optionally, the adjusting piece comprises a first spring fixedly arranged on one side, far away from the replacement plate, of the inserted link, and one side, far away from the replacement plate, of the first spring is connected with the vertical plate; when the first spring is in a free telescopic state, one end of the inserted link is inserted into the insertion hole.

By adopting the technical scheme, the first spring is arranged to stably support the inserted link in the jack, so that the replacement plate is stably installed on the vertical plate; when the tester needs to replace the replacement plate, the inserting rod is pulled to enable the first spring to be in a compressed state, so that the inserting rod is separated from the replacement plate by pushing force, and the replacement plate is quickly unlocked on the vertical plate.

Optionally, an upper end surface of the insert rod facing the replacement plate is an inclined surface, and the inclined surface is inclined downwards along the direction from the vertical plate to the replacement plate.

By adopting the technical scheme, in the process of installing the replacement plate, a tester pushes down the replacement plate so that the edge of the replacement plate presses the inclined surface of the inserted link, and the inserted link is pressed to be far away from the replacement plate; when the jacks on the replacement plate to be continuously lowered are aligned with the inserting rods; the inserted link is inserted into the jack fast under the restoring force of the first spring, so that the replacement plate is installed in the box body fast.

Optionally, the stirring piece comprises an adjusting piece and a first spring, wherein the adjusting piece comprises a first spring sleeved on the periphery of the inserting rod, one end of the first spring is fixedly connected with the vertical plate, the other end of the first spring is fixedly provided with a rotating sleeve, and the rotating sleeve is rotatably sleeved on the inserting rod along the circumferential direction of the inserting rod; when the second spring is in a free telescopic state, one end of the inserted link, which is far away from the second spring, is inserted into the insertion hole.

By adopting the technical scheme, the second spring is arranged to stably install the inserted link in the jack, so that the inserted link is not easy to loose in the jack, and the replacement plate is stably installed in the box body; when the tester needs to replace the replacement plate, only the inserting rod is required to be pulled to enable the second spring to be in a compressed state, so that the inserting rod is separated from the replacement plate by pushing force, and the replacement plate can be quickly unlocked on the vertical plate.

Optionally, one end of the inserted link, far away from the replacement plate, penetrates through the vertical plate, a pulling piece is fixedly arranged on the periphery side of one end of the inserted link, far away from the replacement plate, one end of the pulling piece, near the replacement plate, is movably attached to the side wall of the vertical plate, and a penetrating hole for the pulling piece to slide through is formed on the periphery side of the vertical plate; when one end of the shifting piece, which is close to the replacement plate, is attached to the side wall of the vertical plate, the inserting rod is separated from the inserting hole.

Through adopting the technical scheme, when the replacement of the replacement plate is carried out, a test person pulls the inserted link firstly and then rotates the inserted link so as to enable the poking piece and the through hole to be in a dislocation state, and one end of the poking piece, which is close to the replacement plate, is attached to the side wall of the vertical plate, so that the inserted link is stably in a state of being separated from the jack, and the replacement plate can be conveniently detached and replaced by the worker; after the required replacement plate is placed on the support; the test personnel rotates the inserted link to make the plectrum pass the mouth of wearing, make the inserted link insert in the jack fast in the restoring force of second spring, realize the stable installation of replacement board.

In summary, the present application includes at least one of the following beneficial technical effects:

1. firstly, a replacement plate with a required aperture is arranged in a box body through a connecting component, and then a containing container is placed in a placement hole of the replacement plate, so that the containing container is positioned in the box body through placement Kong Jingzhun, and further, the accurate alignment of a liquid inlet hole of the containing container and a liquid outlet hole of a liquid outlet hose is realized, and the situation of liquid leakage is not easy to occur in the test process;

2. the replacement plate is pre-supported through the supporting piece, and then the inserting rod is driven to be inserted into the inserting hole through the adjusting piece, so that the replacement plate can be quickly locked and installed on the vertical plate;

3. when replacing the replacement board, test personnel pull the inserted bar earlier, then rotate the inserted bar to make plectrum and wearing mouth be in dislocation state, and make the plectrum be close to the one end laminating riser lateral wall of replacement board, make the inserted bar stable be in with jack phase separation's state, so that the staff carries out the dismantlement of replacement board and changes.

Drawings

Fig. 1 is a schematic overall structure of a first embodiment of the present application.

Fig. 2 is a schematic structural view of a first spring, a lever and a riser in a first embodiment of the present application.

Fig. 3 is a schematic overall structure of a second embodiment of the present application.

Fig. 4 is a schematic structural diagram of a second spring, a support plate and a riser in a second embodiment of the present application.

Fig. 5 is an exploded view of embodiment three of the present application.

Reference numerals: 1. a case; 11. a vertical plate; 111. a poking port; 112. a through hole; 12. a frame; 2. a cover plate; 21. a control valve; 3. an extraction assembly; 4. a liquid outlet hose; 5. replacing the plate; 61. a support; 611. a support plate; 612. a positioning strip; 62. a rod; 621. a deflector rod; 63. a first spring; 64. a second spring; 65. a rotating sleeve; 66. a pulling piece.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses an assembled solid phase extraction device.

Embodiment one:

referring to fig. 1 and 2, the assembled solid phase extraction device comprises a box body 1, a cover plate 2 fixed on the box body 1, an extraction component 3 detachably arranged on the cover plate 2, and a liquid outlet hose 4 detachably connected with a liquid outlet end of the extraction component 3. The novel multifunctional liquid discharging device is characterized by further comprising a plurality of replacing plates 5 with various specifications, wherein the replacing plates 5 are provided with placing holes corresponding to the liquid discharging hoses 4, the hole diameters of the placing holes of the replacing plates 5 with different specifications are different, the box body can be made of polypropylene, polyvinyl chloride or glass, and the box body 1 is provided with a connecting component for detachably connecting the replacing plates 5 below the liquid discharging hoses 4. In this embodiment, the cover plate 2 is provided with a plurality of through holes, and the extraction component 3 includes a plurality of solid-phase extraction pillars inserted in the through holes of the cover plate 2 in an interference manner.

The replacement plates 5 of various specifications include a first replacement plate 5 for standing test tubes, a second replacement plate 5 for standing a 50ml rotary retort, a third replacement plate 5 for standing a 100ml rotary retort, and a fourth replacement plate 5 for supporting a waste liquid tank. The placement holes on the plurality of replacement plates 5 are all in a horn mouth shape. When each type of container is supported below the liquid outlet hose 4 through the inner wall of the placement hole on the corresponding replacement plate 5, the opening of the container is opposite to the liquid outlet hole of the liquid outlet hose 4 above.

Specifically, referring to fig. 1 and 2, the case 1 includes two upright plates 11 disposed at intervals, and an installation space for installing the replacement plate 5 is defined between the two upright plates 11; the replacement plate 5 is horizontally arranged, and a side face of the replacement plate, which faces the vertical plate 11, is provided with an insertion hole, and two sides of the replacement plate 5 in the length direction are respectively in sliding fit with the side wall of the vertical plate 11. The connection assembly includes a supporting member 61 provided in the case 1 for supporting the bottom surface of the replacement plate 5, an inserting rod 62 sliding through the side wall of the vertical plate 11 in a direction approaching or departing from the installation space, and an adjusting member provided on the vertical plate 11 for driving the inserting rod 62 to be inserted into the insertion hole.

In the present embodiment, the supporting member 61 includes a supporting plate 611 horizontally fixed to a side wall of the vertical plate 11 facing the installation space, and an upper end surface of the supporting plate 611 is slidably fitted to a lower end surface of the replacement plate 5. The upper end face of the supporting plate 611 is fixedly provided with a positioning bar 612, and the lower end face of the replacing plate 5 is provided with a positioning hole for inserting and penetrating the positioning bar 612.

In another embodiment, the supporting member 61 includes a bottom plate fixed to the bottom of the vertical plate 11 and supporting rods vertically fixed to the upper end surface of the bottom plate, and the lower end surface of each replacing plate 5 is provided with a plugging slot for plugging the supporting rods.

Referring to fig. 2, to achieve quick installation of the replacement plate 5, the insert rod 62 is in the shape of a rectangular rod, and an upper end surface thereof facing the replacement plate 5 is an inclined surface, and the inclined surface is inclined downward in the direction from the vertical plate 11 to the replacement plate 5. The inserted link 62 is slidably mounted on the vertical plate 11 along the horizontal direction, and the adjusting member comprises a first spring 63 fixedly arranged on one side of the inserted link 62 away from the replacement plate 5, and one side of the first spring 63 away from the replacement plate 5 is connected with the vertical plate 11. When the first spring 63 is in the freely retracted state, one end of the plunger 62 is inserted into the insertion hole.

In order to facilitate the adjustment of the sliding position of the insert rod 62, a shift rod 621 is fixedly arranged at the upper end of the insert rod 62, and a shift opening 111 for exposing the shift rod 621 to the two sides of the vertical plate 11 in the thickness direction is arranged on the surface of the vertical plate 11.

Compared with the conventional box-type extraction device, the box-type extraction device has the problem that the internal space of the box body 1 is small and the operation is not easy when the installation frame for receiving the pipe is arranged in the box body 1. When the mounting frame is placed and the cover plate of the box body 1 is placed again, the liquid outlet on the cover plate and the receiving port below the cover plate for containing the solution test tube are often misaligned, and the problem of liquid leakage is easy. And the problem that the distillation flask is difficult to be placed in the box body 1 and the distillation flask is difficult to be placed accurately. The assembled solid phase extraction device can accurately place various containers by replacing the replacement plate 5, the test operation process is simple and convenient, the equipment cost is low, and the operation convenience is greatly improved.

The implementation principle of the assembled solid phase extraction device in the embodiment of the application is as follows: in the test process, a tester selects a container to be used according to the test condition, and then installs a replacement plate 5 with the aperture corresponding to the placement hole into the box 1. In the process of installing the replacement plate 5, the test person pushes down the replacement plate 5 so that the edge of the replacement plate 5 presses the inclined surface of the insert rod 62, and the insert rod 62 is pressed away from the replacement plate 5; when the insertion holes on the replacement plate 5 to be continuously lowered are aligned with the insertion rods 62, the insertion rods 62 are quickly inserted into the insertion holes under the action of the restoring force of the first springs 63, so that the replacement plate 5 is quickly installed in the box body 1. Then place the holding container in the hole of placing of replacement board 5 to hold the container and pass through the location of placing Kong Jingzhun in box 1, and then realize holding the accurate alignment of the feed liquor hole of container and the play liquid hole of play liquid hose 4, make the difficult condition that produces the weeping in the test process.

Then, in the test process, after the target compound in the sample is adsorbed by the solid adsorbent, the interfering compound flows into the container along the liquid outlet hose 4. The replacement plate 5 and the container are then replaced, the solidified target is eluted and reliquefied, and the target compound flows into the container along the liquid outlet hose 4, so that the separation and extraction of the target compound and the interfering compound are completed.

Embodiment two:

referring to fig. 3 and 4, the embodiment of the present application is different from the first embodiment in that: the inserted link 62 is the cylinder body form, and the one end that the inserted link 62 kept away from the replacement board 5 runs through riser 11, and the regulating part is including the cover to be established at the second spring 64 of inserted link 62 week side, and second spring 64 one end and riser 11 fixed connection, the second spring 64 other end are fixed with the rotation cover 65, and the annular has been seted up to the week side of inserted link 62, and rotation cover 65 rotates the cover 65 along the circumference direction of inserted link 62 and locates on the annular of inserted link 62.

The inserted link 62 is kept away from the piece of putting aside 5 one end week side of putting aside 66, and the piece of putting aside 66 is close to the piece of putting aside 5 one end activity laminating riser 11 lateral wall, and the riser 11 week side has been offered and has been supplied the piece of putting aside 66 to slide the mouth 112 of passing. When the end of the pulling piece 66 close to the replacement plate 5 is attached to the side wall of the vertical plate 11, the inserting rod 62 is in a separated state from the inserting hole. When the second spring 64 is in a freely retracted state and the paddle 66 is positioned inside the through hole 112, an end of the lever 62 remote from the second spring 64 is inserted into the receptacle.

Embodiment III:

referring to fig. 5, the present embodiment is different from the embodiment in that: the box body 1 comprises a transparent frame body 12, and two vertical plates 11 are adhered and fixed or vertically arranged in the frame body 12 through connecting rods; the cover plate 2 is detachably arranged above the frame 12, and a plurality of control valves 21 are arranged on the cover plate 2 in a penetrating way. The liquid outlet hoses 4 are detachably connected with the control valves 21 one by one, and the extraction assembly 3 comprises an extraction pipe detachably connected with the upper ends of the control valves 21. The bottom of the side wall of the frame body 12 is provided with a vacuum exhaust pipe, the vacuum exhaust pipe is externally connected with a vacuum pump, and the glass cylinder box body 1 is vacuumized through the vacuum pump.

In use, the extract in the extraction tube flows through the control valve 21 and then along the outlet hose 4 into the holding vessel. After the target compound in the sample is adsorbed by the solid adsorbent, the interfering compound flows into the container along the liquid outlet hose 4. And then the solidified target is eluted and reliquefied by replacing a new container, and then the target compound flows into the container along the liquid outlet hose 4 through vacuum adsorption, so that the separation and extraction of the target compound and the interfering compound are completed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides an assembled solid phase extraction device, includes box (1), apron (2), play liquid hose (4) and extraction element (3), its characterized in that: the liquid outlet hose comprises a liquid outlet hose body, and is characterized by further comprising replacement plates (5) with various specifications, wherein a plurality of replacement plates (5) are provided with placement holes corresponding to the liquid outlet hoses (4), and the placement hole diameters of the replacement plates (5) with different specifications are different;

the box body (1) is provided with a connecting component for detachably connecting the replacement plate (5) below the liquid outlet hose (4).

2. The assembled solid phase extraction device according to claim 1, wherein: the box (1) comprises a plurality of vertical plates (11), insertion holes are formed in the side faces of the replacement plates (5) towards the vertical plates (11), and the connecting assembly comprises a supporting piece (61) arranged in the box (1) and used for supporting the bottom face of the replacement plates (5), inserting rods (62) movably arranged on the vertical plates (11) and adjusting pieces arranged on the vertical plates (11) and used for driving the inserting rods (62) to be inserted into the insertion holes.

3. The assembled solid phase extraction device according to claim 2, wherein: the supporting piece (61) comprises a supporting plate (611) fixedly arranged on the side wall of the vertical plate (11), and the upper end surface of the supporting plate (611) is in sliding fit with the lower end surface of the replacing plate (5).

4. A fabricated solid phase extraction device according to claim 3, wherein: the upper end face of the supporting plate (611) is fixedly provided with a positioning strip (612), and the lower end face of the replacing plate (5) is provided with a positioning hole for inserting the positioning strip (612).

5. The assembled solid phase extraction device according to claim 2, wherein: the adjusting piece comprises a first spring (63) fixedly arranged on one side, far away from the replacement plate (5), of the inserting rod (62), and one side, far away from the replacement plate (5), of the first spring (63) is connected with the vertical plate (11); when the first spring (63) is in a freely telescopic state, one end of the inserted rod (62) is inserted into the insertion hole.

6. The apparatus of claim 5, wherein: the upper end surface of one end of the inserted link (62) facing the replacement plate (5) is an inclined surface, and the inclined surface is inclined downwards along the direction from the adjacent vertical plate (11) to the replacement plate (5).

7. The assembled solid phase extraction device according to claim 2, wherein: the adjusting piece comprises a second spring (64) sleeved on the periphery of the inserting rod (62), one end of the second spring (64) is fixedly connected with the vertical plate (11), a rotating sleeve (65) is fixed at the other end of the second spring (64), and the rotating sleeve (65) is arranged on the inserting rod (62) along the circumferential direction of the inserting rod (62); when the second spring (64) is in a freely telescopic state, one end of the inserted rod (62) far away from the second spring (64) is inserted into the insertion hole.

8. The assembly-type solid phase extraction device according to claim 7, wherein: one end of the inserted link (62) far away from the replacement plate (5) penetrates through the vertical plate (11), a poking piece (66) is fixedly arranged on the periphery side of one end of the inserted link (62) far away from the replacement plate (5), one end of the poking piece (66) close to the replacement plate (5) is movably attached to the side wall of the vertical plate (11), and a through hole (112) for the poking piece (66) to slide through is formed on the periphery side of the vertical plate (11); when one end of the shifting piece (66) close to the replacement plate (5) is attached to the side wall of the vertical plate (11), the inserting rod (62) is separated from the inserting hole.