CN217593897U

CN217593897U - Be used for laboratory pretreatment solid-phase extraction device

Info

Publication number: CN217593897U
Application number: CN202221525609.7U
Authority: CN
Inventors: 付雪; 王联广
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-10-18
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a solid phase extraction device for pretreatment in a laboratory, which belongs to the technical field of solid phase extraction devices; including mounting bracket, device shell and the extraction device main part that is located device shell top, the inside of device shell is provided with the sample pipe support, the sample pipe support is double-deck setting, the both sides of sample pipe support all are provided with the sliding block, the sliding tray has all been seted up to the both sides of device shell. The utility model can adjust the height of the sample tube rack, so that the sample tube can be more conveniently connected with sample extraction test solution; the extraction main part device can slide up and down simultaneously, so that the long sample tube can be conveniently placed below the extraction device main part, and the extraction device main part can move to the top of the long sample tube, so that the extraction device main part can normally extract samples, and in addition, the sample tube support can move back and forth, so that the extraction device main part is favorable for receiving an extraction column activating reagent and then receiving the sample extracting reagent by moving the sample tube support.

Description

Be used for laboratory pretreatment solid-phase extraction device

Technical Field

The utility model relates to a solid phase extraction technical field especially relates to a be used for laboratory pretreatment solid phase extraction device.

Background

Over the past two decades, solid phase extraction has emerged as a powerful tool for chemical separation and purification, with adsorbent extraction playing an increasingly important role in pharmaceutical, fine chemical, biomedical, food analysis, organic synthesis, environmental and other fields, from pretreatment of trace samples to chemical separation on an industrial scale.

Solid phase extraction is a physical extraction process involving a liquid phase and a solid phase in which the solid phase adsorbs more strongly to the isolate than the solvent which dissolves the isolate, and as the sample solution passes through the adsorbent bed, the isolate is concentrated on its surface and the other sample components pass through the adsorbent bed; by using an adsorbent that adsorbs only the isolate without adsorbing other sample components, a highly pure and concentrated isolate can be obtained.

The existing solid phase extraction sample tube frame cannot move, when the length of a sample tube is longer than that of a shell, the top end of an extraction device cannot be closed, and further cannot be operated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art related to the background art and providing a solid phase extraction device for the pretreatment in a laboratory.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a solid phase extraction device for pretreatment in a laboratory comprises a mounting rack, a device shell and an extraction device main body positioned above the device shell, wherein a sample pipe frame is arranged in the device shell, the sample pipe frame is arranged in a double-layer mode, sliding blocks are arranged on two sides of the sample pipe frame, sliding grooves are formed in two sides of the device shell, and the sliding blocks penetrate through the sliding grooves and extend to the outside;

can make the sample pipe support go up and down to make things convenient for the sample cell to connect sample extraction test solution more conveniently, extract the main part device simultaneously and can reciprocate, make long sample cell can conveniently put into below the extraction device main part, and the extraction device main part can remove to the top of long sample cell, make the extraction device main part can normally carry out the sample extraction.

Preferably, a connecting shaft rod is arranged inside the sliding groove, and the sliding block is sleeved outside the connecting shaft rod;

can make the gliding stability of sliding block better, avoid the sample pipe support to take place the condition of slope to what make the sample pipe support better supports the sample cell.

Preferably, a fixed embedded rod is inserted into the end part of the sliding block, an installation groove is formed in the sliding block, a pressure spring is arranged in the installation groove and sleeved outside the fixed embedded rod, and the end part of the fixed embedded rod is mutually attached to the connecting shaft rod;

can increase fixed rod and the frictional force of being connected between the axostylus axostyle to fix a position the sliding block, make the sample pipe support fix.

Preferably, a plurality of groups of fixing holes are vertically and uniformly formed in the outer part of the connecting shaft rod, and the fixing embedded rods are matched with the fixing holes;

can make fixed embedded rod imbed the inside of different fixed orificess and fix, and then make the sliding block highly fixed in the difference to can support the sample cell of co-altitude not.

Preferably, the connecting sleeve is sleeved outside the fixed embedded rod, the baffle is fixed outside the fixed embedded rod, the pressure spring is positioned between the baffle and the connecting sleeve, and the baffle, the pressure spring and the connecting sleeve are all positioned inside the mounting groove;

can make pressure spring extrude fixed the pole of inlaying to avoid fixed the pole of inlaying to take place not hard up condition, further make fixed the pole of inlaying better accomplish fixedly in the inside of fixed orifices.

Preferably, the upper side and the lower side of the end part of the fixed embedded rod are obliquely arranged, and the fixed embedded rod is rotatably connected with the mounting groove;

can make fixed the pole that inlays rotate to the inclined plane that makes on the fixed pole that inlays takes place to rotate, thereby makes and fixes between fixed pole and the fixed orifices.

Preferably, a clamping block is arranged outside the fixed embedded rod, the clamping block is positioned outside the sliding block, the sliding block is arranged in a cross shape, a clamping groove is formed in the end part of the sliding block, and the clamping block and the clamping groove are mutually matched;

the fixed embedded rod can be positioned after rotating, so that the fixed embedded rod has better fixing effect after rotating.

The extraction device comprises an extraction device body, a mounting frame and a bolt, wherein the extraction device body comprises a dropper interface, a top plate and lugs positioned on two sides of the top plate, the mounting frame comprises a bottom plate and straight rods positioned on two sides of the bottom plate, the lugs on two sides of the extraction device body are sleeved outside the two groups of straight rods and are in elastic connection through the bolts, and the bottom end of a device shell is in sliding connection with the mounting frame;

can with carry out height adjustment to the extraction device main part to make the inside completion that the removal that 02 can be better reaches the sample cell and connect the process of getting liquid, the device shell can drive the sample pipe support and carry out the back-and-forth movement simultaneously, the better process of accomplishing and connecing the test solution.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can adjust the height of the sample tube rack, so that the sample tube can be more conveniently connected with sample extraction test solution; the extraction main part device can slide up and down simultaneously, so that the long sample tube can be conveniently placed below the extraction device main part, and the extraction device main part can move to the top of the long sample tube, so that the extraction device main part can normally extract samples, and in addition, the sample tube support can move back and forth, so that the extraction device main part is favorable for receiving an extraction column activating reagent and then receiving the sample extracting reagent by moving the sample tube support.

2. The utility model discloses can be through rotating the fixed pole that inlays to make fixed pole that inlays fix a position and stretch out and draw back in the inside of fixed orifices, make the sliding block can remove and fix, easy operation, convenient to use.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a solid phase extraction device for laboratory pretreatment according to the present invention;

FIG. 2 is a schematic view of the connection structure of the sliding block and the connecting shaft in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic structural view of the fixing insert rod in fig. 3.

In the figure: 1. a device housing; 2. an extraction device body; 3. a sample pipe frame; 4. a sliding groove; 5. a slider; 6. connecting the shaft lever; 7. a fixing hole; 8. fixing the embedded rod; 9. mounting grooves; 10. a baffle plate; 11. a pressure spring; 12. connecting sleeves; 13. a clamping block; 14. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a be used for laboratory pretreatment solid phase extraction device, includes mounting bracket, device shell 1 and is located the extraction device main part 2 of device shell 1 top, and the inside of device shell 1 is provided with sample pipe support 3, and sample pipe support 3 is double-deck setting, and the both sides of sample pipe support 3 all are provided with sliding block 5, and sliding tray 4 has all been seted up to the both sides of device shell 1, and sliding block 5 passes sliding tray 4 and extends to the outside.

Specifically, the inside of sliding tray 4 is provided with connecting shaft lever 6, and sliding block 5 cup joints the outside at connecting shaft lever 6.

Further, the tip of sliding block 5 is inserted and is equipped with fixed pole 8 that inlays, and mounting groove 9 has been seted up to the inside of sliding block 5, and the inside of mounting groove 9 is provided with compression spring 11, and compression spring 11 cup joints in the fixed outside of inlaying pole 8, and the fixed tip of inlaying pole 8 laminates with connecting shaft lever 6 each other.

Furthermore, a plurality of groups of fixing holes 7 are vertically and uniformly formed in the outer part of the connecting shaft rod 6, and the fixing embedded rods 8 are matched with the fixing holes 7.

It should be noted that the connecting sleeve 12 is sleeved outside the fixed embedded rod 8, the baffle 10 is fixed outside the fixed embedded rod 8, the pressure spring 11 is located between the baffle 10 and the connecting sleeve 12, and the baffle 10, the pressure spring 11 and the connecting sleeve 12 are all located inside the mounting groove 9.

It should be noted that the upper and lower sides of the end of the fixed embedded rod 8 are both inclined, and the fixed embedded rod 8 is rotatably connected with the mounting groove 9.

In addition, a clamping block 13 is arranged outside the fixed embedded rod 8, the clamping block 13 is located outside the sliding block 5, the sliding block 5 is in a cross shape, a clamping groove 14 is formed in the end portion of the sliding block 5, and the clamping block 13 is matched with the clamping groove 14.

It is supplementary to explain, extraction device main part 2 includes burette interface, roof and the lug that is located the roof both sides, and this mounting bracket includes bottom plate and the straight-bar that is located the bottom plate both sides, and the lug that this extraction device main part 2 both sides cup joints in the outside of two sets of straight-bars, carries out the elasticity through the bolt and connects, the bottom and the mounting bracket sliding connection of device shell 1.

The extraction device comprises an extraction device body 2, a top plate and lugs located on two sides of the top plate, wherein the extraction device body 2 comprises a dropper interface, the top plate and lugs located on two sides of the top plate, an injector can be inserted into the dropper interface, a switch capable of controlling liquid to flow down is arranged below the dropper interface, an installation frame is arranged below the extraction device body 2 and comprises a bottom plate and straight rods located on two sides of the bottom plate, the lugs on two sides of the extraction device body 2 are sleeved outside the two groups of straight rods, the connection is carried out through bolts, meanwhile, the bottom end of the device shell 1 is in sliding connection with the installation frame, a sample pipe frame 3 is arranged inside the device shell 1 and can be used for placing a sample pipe, two sides of the sample pipe frame 3 are inserted into sliding grooves 4 through sliding blocks 5 to slide, connecting shaft rods 6 are arranged inside the sliding grooves 4, the sliding blocks 5 are sleeved outside the connecting shaft rods 6, sliding blocks 5 are enabled to be better in sliding stability, fixed embedded rods 8 are inserted into the end portions of the sliding blocks 5, the fixed embedded into clamping grooves 14, meanwhile, the end portions of the connecting sleeves 8 penetrate through the connecting sleeves 5 and extend to the fixed holes 7, pressure baffles 12 and the end portions of the fixed springs 11 are arranged between the fixed baffles 12, and the pressure embedding rods 11, and the pressure baffles 12, the pressure baffles 12 are arranged on the outer ends of the fixed springs 12, and the fixed baffles 12.

The working principle is as follows: the utility model discloses when using, rotate the bolt of both sides, make extraction device main part 2 can reciprocate, can put into the top of sample pipe support 3 with the sample cell that holds the leacheate afterwards, slide 5 of both sides slides afterwards, can make slide 5 drive the inside of baffle 10 and fixed orifices 7 and extrude, fixed inserted bar 8 begins to move along the inclined plane, make baffle 10 break away from the inside of fixed orifices 7 afterwards, thereby make removal that sample pipe support 3 can be normal, sample pipe support 3 drives the sample cell and removes to the inside bottom of device shell 1 afterwards, thereby make the sample cell put into the inside of device shell 1 completely, remove extraction device main part 2 afterwards, make the burette interface on the extraction device main part 2 remove to the orificial position department of sample, can make device shell 1 and extraction device main part 2 carry out normal use afterwards.

Stimulate fixed embedded rod 8 afterwards, make fixed embedded rod 8 drive fixture block 13 break away from the inside of draw-in groove 14, can make fixed embedded rod 8 rotate at any time, 13 rotate the inside of back embedding draw-in groove 14 again afterwards, the inclined plane on the fixed embedded rod 8 of this moment takes place to rotate, make reciprocating of sample pipe support 3 can not cause the condition that fixed embedded rod 8 takes place to remove, and then make sliding

block

5 and 3 fixed effects of sample pipe support better, simultaneously can slider shell 1, make device shell 1 drive 3 removals of sample pipe support, make another group's sample cell on the sample pipe support 3 remove to under extraction device main part 2, the completion connects the work of test solution.

The utility model discloses in, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to the concrete structure, model and the coefficient index of all parts thereof are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at much and give unnecessary detail.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the present invention, unless otherwise specified, the terms "up, down, left, right, front, back, inside, outside, vertical and horizontal" and the like used in the terms refer to the orientation of the terms in the conventional usage, or are colloquially understood by those skilled in the art, and are not to be construed as limiting the terms, and the terms "first", "second", and "third" do not refer to a specific number or order and are used merely for name differentiation, and the terms "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a be used for laboratory pretreatment solid phase extraction device, includes mounting bracket, device shell (1) and is located extraction device main part (2) of device shell (1) top, its characterized in that, the inside of device shell (1) is provided with sample pipe support (3), sample pipe support (3) are double-deck setting, the both sides of sample pipe support (3) all are provided with sliding block (5), sliding tray (4) have all been seted up to the both sides of device shell (1), sliding block (5) pass sliding tray (4) and extend to the outside.

2. The solid phase extraction device for the pretreatment in the laboratory according to claim 1, wherein a connecting shaft rod (6) is disposed inside the sliding groove (4), and the sliding block (5) is sleeved outside the connecting shaft rod (6).

3. The solid phase extraction device for the pretreatment in the laboratory according to claim 2, wherein a fixed embedded rod (8) is inserted into the end of the sliding block (5), a mounting groove (9) is formed in the sliding block (5), a pressure spring (11) is arranged in the mounting groove (9), the pressure spring (11) is sleeved outside the fixed embedded rod (8), and the end of the fixed embedded rod (8) is attached to the connecting shaft rod (6).

4. The solid phase extraction device for the pretreatment in the laboratory according to claim 3, wherein a plurality of groups of fixing holes (7) are vertically and uniformly formed in the outer portion of the connecting shaft rod (6), and the fixing embedded rods (8) are matched with the fixing holes (7).

5. The solid phase extraction device for the pretreatment in the laboratory according to claim 3, wherein a connecting sleeve (12) is sleeved outside the fixed embedded rod (8), a baffle (10) is fixed outside the fixed embedded rod (8), the pressure spring (11) is located between the baffle (10) and the connecting sleeve (12), and the baffle (10), the pressure spring (11) and the connecting sleeve (12) are located inside the mounting groove (9).

6. The solid phase extraction device for the pretreatment in the laboratory according to claim 3, wherein the upper and lower sides of the end of the fixed embedded rod (8) are obliquely arranged, and the fixed embedded rod (8) is rotatably connected with the mounting groove (9).

7. The solid phase extraction device for the pretreatment in the laboratory according to claim 3, wherein a fixture block (13) is disposed outside the fixed embedded rod (8), the fixture block (13) is disposed outside the sliding block (5), the sliding block (5) is disposed in a cross shape, a slot (14) is disposed at an end of the sliding block (5), and the fixture block (13) and the slot (14) are adapted to each other.

8. The solid phase extraction device for the pretreatment in the laboratory according to claim 1, wherein the extraction device main body (2) comprises a dropper connector, a top plate and lugs located on two sides of the top plate, the mounting frame comprises a bottom plate and straight rods located on two sides of the bottom plate, the lugs located on two sides of the extraction device main body (2) are sleeved outside the two groups of straight rods and are in elastic connection through bolts, and the bottom end of the device shell (1) is slidably connected with the mounting frame.