CN217188011U

CN217188011U - Solid phase extraction device of convenient operation

Info

Publication number: CN217188011U
Application number: CN202220189518.4U
Authority: CN
Inventors: 刘岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-16
Anticipated expiration: 2032-01-24

Abstract

The application relates to the technical field of solid phase extraction devices, in particular to a solid phase extraction device convenient to operate. This application, comprising a cylinder body, the apron is installed to the upper end of cylinder body, a plurality of flow control valve is installed to the upper end of apron, and a plurality of flow control valve is the circumference and distributes on the apron, the upper surface intercommunication of apron has the aspirating hole, the surface mounting of aspirating hole has vacuum pressure table, the lower surface of apron is equipped with limit structure, limit structure includes two locating levers, two locating lever fixed connection is at the lower surface of apron, the arc surface sliding connection of locating lever has the registration arm, two the lower extreme fixedly connected with test-tube rack of registration arm. The problem of flow control valve on the lid and the round hole of test-tube rack take place skew easily, bring inconvenience for operating personnel's operation, inconvenient taking out the inside waste liquid of cylinder body, cause the pollution to the cylinder body easily is solved.

Description

Solid phase extraction device of convenient operation

Technical Field

The application relates to the technical field of solid-phase extraction devices, in particular to a solid-phase extraction device convenient to operate.

Background

The solid phase extraction device is the separation of mainly used sample, purification and concentrated equipment, and the inside test-tube rack that can install usually of solid phase extraction device supports the test tube, and traditional solid phase extraction device has following not enoughly: firstly, the limiting effect between the cover of the traditional solid-phase extraction device and the test tube rack is poor, the test tube rack is easy to rotate in the solid-phase extraction device, so that the flow control valve on the cover is deviated from the round hole of the test tube rack, and the inconvenience is brought to the operation of an operator; secondly, the waste liquid in the cylinder body is inconvenient to take out, and the cylinder body is easy to be polluted.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve the flow control valve that exists on the lid among the prior art and the round hole of test-tube rack takes place skew easily, brings inconvenience for operating personnel's operation, and inconvenient taking out the inside waste liquid of cylinder body causes the shortcoming of pollution to the cylinder body easily, and the solid phase extraction device of a convenient operation who provides.

In order to achieve the purpose, the following technical scheme is adopted in the application: the utility model provides a solid phase extraction device of convenient operation, includes the cylinder body, the apron is installed to the upper end of cylinder body, a plurality of flow control valve is installed to the upper end of apron, and a plurality of flow control valve is the circumference and distributes on the apron, the upper surface intercommunication of apron has the aspirating hole, the surface mounting of aspirating hole has vacuum pressure gauge, the lower surface of apron is equipped with limit structure, limit structure includes two locating levers, two locating lever fixed connection is at the lower surface of apron, the arc surface sliding connection of locating lever has the registration arm, two the lower extreme fixedly connected with test-tube rack of registration arm, four connecting rods of the even fixedly connected with in one side of registration arm are kept away from to the test-tube rack, the lower extreme fixedly connected with tray of connecting rod.

The effect that above-mentioned part reaches is: reached and to have inserted the apron in the registration arm of test-tube rack with the help of the locating lever, made the apron can with the test-tube rack effect of rotating together, and then made things convenient for the preformed hole of flow control valve and test-tube rack to fix a position, the tray has played the effect that makes things convenient for operating personnel to carry out the transfer to the waste liquid in the cylinder body.

Preferably, the upper end of the positioning pipe is communicated with an auxiliary cover, and the section of the auxiliary cover is trapezoidal.

The effect that above-mentioned part reaches is: the effect of further facilitating the insertion of the positioning rod into the positioning tube is achieved.

Preferably, the lower end of the positioning rod is fixedly connected with a ball, and the arc surface of the ball is connected with the positioning tube in a sliding manner.

The effect that above-mentioned part reaches does: the effect of reducing the friction force between the positioning rod and the auxiliary cover is achieved.

Preferably, the arc surface of the cylinder body is fixedly connected with two limiting frames, the inner wall of each limiting frame is connected with a limiting strip in a sliding manner, a plurality of anti-skidding grooves are uniformly formed in the surface of each limiting strip, and the upper ends of the two limiting strips are fixedly connected with the cover plate.

The effect that above-mentioned part reaches is: the effect of further limiting the space between the cover plate and the cylinder body is achieved.

Preferably, one side of the limiting frame, which is far away from the cylinder body, is fixedly connected with a connecting plate, and a pressing rod is inserted into the internal thread of the connecting plate.

The effect that above-mentioned part reaches is: the effect that the position of the limiting strip can be temporarily limited by means of the threads of the pressing rod is achieved.

Preferably, the arc surface of cylinder body is equipped with two regulation structures, it includes the fixed plate to adjust the structure, fixed plate fixed connection is on the arc surface of cylinder body, the last fixed surface of fixed plate is connected with the spring, the upper end fixedly connected with roof of spring, two slide bars of lower fixed surface fixedly connected with of roof, the lower extreme of slide bar slides and runs through the fixed plate, the lower extreme fixedly connected with sucking disc of slide bar, the lower surface of fixed plate rotates and is connected with two rotor plates, the lower extreme fixedly connected with scraper blade of rotor plate.

The effect that above-mentioned part reaches is: the effect that the cylinder body can be adsorbed on the operation panel temporarily by means of the suction disc is achieved, and the suction disc can be detached from the operation panel quickly by means of the scraper.

Preferably, one side of the fixing plate close to the spring is fixedly connected with a guide rod, the arc surface of the guide rod is connected with the spring in a sliding manner, and the upper end of the guide rod penetrates through the top plate in a sliding manner.

The effect that above-mentioned part reaches is: the effect of limiting the moving position of the top plate is achieved.

In view of the above, it is desirable to provide,

in the application, the test tube rack with the connecting rod and the tray are firstly placed in the cylinder body, then the two positioning rods on the lower surface of the cover plate are inserted along the positioning tubes, at the moment, the round balls of the positioning rods firstly contact the inner wall of the auxiliary cover, the round balls begin to slide on the inner wall of the auxiliary cover, the effect of facilitating the positioning between the positioning rods and the positioning tubes is achieved, when the positioning rods drive the round balls to be inserted into the positioning tubes, the cover plate is rotated, at the moment, the cover plate drives the positioning rods to rotate, the positioning rods drive the test tube rack to rotate by means of the positioning tubes, at the moment, the preformed holes of the test tube rack and the flow control valves of the cover plate are always in a corresponding state, when the cover plate is rotated to the position of the limiting frame which leads the limiting strips to be aligned with the cylinder body, the cover plate is pressed downwards to be inserted into the limiting frames, then the pressing rods are rotated to be extruded on the limiting strips by means of threads, and the anti-skid grooves play a role of increasing the friction force between the limiting strips and the pressing rods, through setting up limit structure, reached and to have carried out spacing effect with apron and test-tube rack fast, and then make the apron rotate no matter how, flow control valve on the apron is corresponding with the preformed hole of test-tube rack all the time, and then makes things convenient for operating personnel to operate.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the internal structure of FIG. 1 of the present application;

FIG. 3 is a disassembled view of a part of the structure of the limit structure of the present application;

fig. 4 is a schematic structural diagram of the adjustment structure of the present application.

Illustration of the drawings: 1. a cylinder body; 2. a cover plate; 3. a flow control valve; 4. a vacuum pressure gauge; 5. an air exhaust hole; 6. a limiting structure; 601. positioning a rod; 602. a positioning tube; 603. a test tube rack; 604. a connecting rod; 605. a tray; 606. an auxiliary cover; 607. a ball; 608. a limiting frame; 609. a limiting strip; 610. a connecting plate; 611. a pressure lever; 612. an anti-slip groove; 7. an adjustment structure; 71. a fixing plate; 72. a spring; 73. a top plate; 74. a slide bar; 75. a suction cup; 76. a rotating plate; 77. a squeegee; 78. a guide rod.

Detailed Description

Referring to fig. 1, the present application provides a technical solution: the utility model provides a solid phase extraction device of convenient operation, includes cylinder body 1, and apron 2 is installed to the upper end of cylinder body 1, and a plurality of flow control valve 3 is installed to the upper end of apron 2, and a plurality of flow control valve 3 is the circumference and distributes on apron 2, and the upper surface intercommunication of apron 2 has aspirating hole 5, and the surface mounting of aspirating hole 5 has vacuum pressure gauge 4, and the lower surface of apron 2 is equipped with limit structure 6, and the arc surface of cylinder body 1 is equipped with two regulation structures 7.

The specific arrangement and function of the limiting structure 6 and the adjusting structure 7 will be described in detail below.

Referring to fig. 2 and 3, in the present embodiment: the limiting structure 6 comprises two positioning rods 601, the two positioning rods 601 are fixedly connected to the lower surface of the cover plate 2, the arc surface of each positioning rod 601 is connected with a positioning tube 602 in a sliding manner, the lower ends of the two positioning tubes 602 are fixedly connected with a test tube rack 603, one side of the test tube rack 603 far away from the positioning tubes 602 is uniformly and fixedly connected with four connecting rods 604, the lower ends of the connecting rods 604 are fixedly connected with a tray 605, the effect that the cover plate 2 can be inserted into the positioning tubes 602 of the test tube rack 603 through the positioning rods 601 is achieved, the cover plate 2 can rotate together with the test tube rack 603, the flow control valve 3 is convenient to position with the preformed holes of the test tube rack 603, the tray 605 has the effect of facilitating the transfer of waste liquid in the cylinder body 1 by an operator, the upper end of the positioning tube 602 is communicated with an auxiliary cover 606, the cross section of the auxiliary cover 606 is trapezoidal, and the effect of further facilitating the insertion of the positioning rods 601 into the positioning tubes 602 is achieved, the lower extreme fixedly connected with ball 607 of locating lever 601, the arc surface and the registration arm 602 sliding connection of ball 607, reached the effect that reduces frictional force between locating lever 601 and the auxiliary cover 606, two spacing frames 608 of the arc surface fixedly connected with of cylinder body 1, the inner wall sliding connection of spacing frame 608 has spacing 609, a plurality of antiskid ribbed tile 612 has evenly been seted up on spacing 609's surface, two spacing 609's upper end all with apron 2 fixed connection, reached and carried out further spacing effect between apron 2 and the cylinder body 1, one side fixedly connected with connecting plate 610 that cylinder body 1 was kept away from to spacing frame 608, connecting plate 610 internal thread is inserted and is equipped with depression bar 611, reached and to have carried out interim spacing effect to spacing 609 position with the help of the screw thread of depression bar 611.

Referring to fig. 4, in the present embodiment: the adjusting structure 7 comprises a fixing plate 71, the fixing plate 71 is fixedly connected to the arc surface of the cylinder body 1, the upper surface of the fixing plate 71 is fixedly connected with a spring 72, the upper end of the spring 72 is fixedly connected with a top plate 73, the lower surface of the top plate 73 is fixedly connected with two sliding rods 74, the lower ends of the sliding rods 74 penetrate through the fixing plate 71 in a sliding manner, the lower ends of the sliding rods 74 are fixedly connected with a suction cup 75, the lower surface of the fixing plate 71 is rotatably connected with two rotating plates 76, the lower ends of the rotating plates 76 are fixedly connected with a scraper 77, so that the effect of temporarily adsorbing the cylinder body 1 on an operating table by means of the suction cup 75 is achieved, the suction cup 75 can be quickly detached from the operating table through the scraper 77, the guide rod 78 is fixedly connected to one side, close to the spring 72, of the fixing plate 71, the arc surface of the guide rod 78 is in sliding connection with the spring 72, the upper end of the guide rod 78 penetrates through the top plate 73 in a sliding mode, and the effect of limiting the moving position of the top plate 73 is achieved.

The working principle is that the test tube rack 603 with the connecting rod 604 and the tray 605 is placed in the cylinder body 1, then the two positioning rods 601 on the lower surface of the cover plate 2 are inserted along the positioning tubes 602, at this time, the round balls 607 of the positioning rods 601 first contact the inner wall of the auxiliary cover 606, the round balls 607 begin to slide on the inner wall of the auxiliary cover 606, so as to achieve the effect of facilitating the positioning between the positioning rods 601 and the positioning tubes 602, when the positioning rods 601 drive the round balls 607 to be inserted into the positioning tubes 602, the cover plate 2 is rotated, at this time, the cover plate 2 drives the positioning rods 601 to rotate, the positioning rods 601 drive the test tube rack 603 to rotate by means of the positioning tubes 602, at this time, the reserved holes of the test tube rack 603 and the flow control valve 3 of the cover plate 2 are always in a corresponding state, when the cover plate 2 is rotated to make the limiting strips 609 align at the limiting frames 608 of the cylinder body 1, the cover plate 2 is pressed downwards to make the limiting strips 609 be inserted into the limiting frames 608, then the pressing rods 611 are rotated, the pressing rod 611 is extruded on the limiting strip 609 by means of threads, the anti-skidding groove 612 has the effect of increasing the friction force between the limiting strip 609 and the pressing rod 611, and the limiting structure 6 is arranged, so that the effect of quickly limiting the cover plate 2 and the test tube rack 603 is achieved, the flow control valve 3 on the cover plate 2 always corresponds to a reserved hole of the test tube rack 603 no matter how the cover plate 2 rotates, and operation of operators is facilitated;

when the cylinder body 1 is used, the top plate 73 is pulled upwards firstly, the top plate 73 drives the sliding rod 74 to move upwards, then the cylinder body 1 is placed on the operating platform, then the top plate 73 is loosened, the spring 72 can provide downward pulling force for the top plate 73, the top plate 73 can drive the sliding rod 74 to move downwards, the sliding rod 74 can drive the sucker 75 to be adsorbed on the operating platform, the effect of temporarily fixing the cylinder body 1 on the operating platform is achieved, the guide rod 78 plays a role of limiting the moving positions of the spring 72 and the top plate 73, when the sucker 75 needs to be detached from the operating platform, the rotating plate 76 is directly rotated, the rotating plate 76 starts to drive the scraper 77 to rotate, the scraper 77 can shovel the sucker 75 from the operating platform at the moment, and the effect of quickly taking the cylinder body 1 down from the operating platform is achieved.

Claims

1. The utility model provides a solid phase extraction device of convenient operation, includes cylinder body (1), its characterized in that: apron (2) is installed to the upper end of cylinder body (1), a plurality of flow control valve (3) are installed to the upper end of apron (2), and a plurality of flow control valve (3) are the circumference and distribute on apron (2), the upper surface intercommunication of apron (2) has aspirating hole (5), the surface mounting of aspirating hole (5) has vacuum pressure table (4), the lower surface of apron (2) is equipped with limit structure (6), limit structure (6) include two locating levers (601), two locating levers (601) fixed connection is at the lower surface of apron (2), the arc surface sliding connection of locating lever (601) has registration arm (602), two the lower extreme fixedly connected with test-tube rack (603) of registration arm (602), the even fixedly connected with four connecting rods (604) of one side of registration arm (602) are kept away from to test-tube rack (603), the lower end of the connecting rod (604) is fixedly connected with a tray (605).

2. A conveniently operated solid phase extraction apparatus as claimed in claim 1, wherein: the upper end of the positioning pipe (602) is communicated with an auxiliary cover (606), and the section of the auxiliary cover (606) is trapezoidal.

3. A solid phase extraction apparatus as claimed in claim 1, wherein: the lower end of the positioning rod (601) is fixedly connected with a round ball (607), and the arc surface of the round ball (607) is connected with the positioning pipe (602) in a sliding mode.

4. A conveniently operated solid phase extraction apparatus as claimed in claim 1, wherein: the cylinder body (1) is characterized in that two limiting frames (608) are fixedly connected to the arc surface of the cylinder body (1), limiting strips (609) are connected to the inner walls of the limiting frames (608) in a sliding mode, a plurality of anti-skidding grooves (612) are uniformly formed in the surfaces of the limiting strips (609), and the upper ends of the two limiting strips (609) are fixedly connected with the cover plate (2).

5. A conveniently operated solid phase extraction apparatus as claimed in claim 4, wherein: one side fixedly connected with connecting plate (610) that spacing frame (608) kept away from cylinder body (1), depression bar (611) is inserted to connecting plate (610) internal thread.

6. A conveniently operated solid phase extraction apparatus as claimed in claim 1, wherein: the arc surface of cylinder body (1) is equipped with two regulation structures (7), it includes fixed plate (71) to adjust structure (7), fixed plate (71) fixed connection is on the arc surface of cylinder body (1), the last fixed surface of fixed plate (71) is connected with spring (72), the upper end fixedly connected with roof (73) of spring (72), two slide bars (74) of the lower fixed surface of roof (73) are connected with, the lower extreme of slide bar (74) slides and runs through fixed plate (71), the lower extreme fixedly connected with sucking disc (75) of slide bar (74), the lower surface rotation of fixed plate (71) is connected with two rotor plates (76), the lower extreme fixedly connected with scraper blade (77) of rotor plate (76).

7. A conveniently operated solid phase extraction apparatus as claimed in claim 6, wherein: one side fixedly connected with guide bar (78) that fixed plate (71) is close to spring (72), the arc surface and spring (72) sliding connection of guide bar (78), roof (73) is run through in the upper end slip of guide bar (78).