CN115945304A

CN115945304A - Centrifugal separation device for drug residue detection

Info

Publication number: CN115945304A
Application number: CN202211737146.5A
Authority: CN
Inventors: 刘瑜; 孙文; 张柏瑀; 付海滨; 张敏
Original assignee: Shenyang Customs Technical Center
Current assignee: Shenyang Customs Technical Center
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-04-11

Abstract

The invention discloses a centrifugal separation device for drug residue detection, which relates to the technical field of drug detection and comprises a centrifugal barrel, wherein supporting legs are fixedly arranged on the lower surface of the centrifugal barrel, an operation window is arranged on the outer surface of the centrifugal barrel, a top cover is clamped at the top end of the centrifugal barrel, an inner cavity of the top cover is rotatably connected with a connecting rod, the bottom end of the connecting rod is fixedly connected with an adjusting component, a clamping component is arranged on the upper surface of the adjusting component, a test tube is clamped in the inner cavity of the clamping component, and an electric motor is arranged on the upper surface of the top cover; centrifugal separation device can carry out the centre gripping to the test tube of different specifications, and the centre gripping subassembly has rigid and flexible, avoids the too strong bad test tube of clamp of rigidity, avoids the rigidity too weak and leads to the test tube to rock simultaneously for centrifugal effect is better.

Description

Centrifugal separation device for drug residue detection

Technical Field

The invention relates to the technical field of drug detection, in particular to a centrifugal separation device for drug residue detection.

Background

The medicine is a substance for preventing, treating and diagnosing diseases, the medicine is usually subjected to centrifugal detection on residual components of the medicine before medicine processing, whether the medicine has harmful substances or not is determined, and the medicine is prevented from containing substances threatening human health during medicine processing, the medicine component determination is usually carried out by using a centrifugal machine for medicine separation, and the centrifugal machine is a machine for separating components in liquid and solid particles or a mixture of the liquid and the liquid by using centrifugal force. The centrifugal machine is mainly used for separating solid particles from liquid in suspension or separating two liquids which have different densities and are insoluble with each other in emulsion, so that the residual components of the medicine can be detected after being centrifuged.

Current centrifugal separation device can only carry out fixed distance's rotation separation, can not adjust centrifugal distance according to the demand of self, makes the solid particle's of medicine sedimentation rate fixed, and the separation effect is poor, and current centrifugal separation device can only carry out the centre gripping to the test tube of same specification in addition, and the too strong easy loss test tube of centre gripping rigidity, and the rigidity is too weak easy centre gripping unstable, leads to the test tube to rock, and centrifugal effect is not good.

In view of the above problems, the present invention provides a centrifugal separation device for drug residue detection.

Disclosure of Invention

The invention aims to provide a centrifugal separation device for detecting drug residues, when the centrifugal distance of a test tube is adjusted, a regulating rod is rotated, the regulating rod is rotated to drive a sliding block to move in an inner cavity of a first sliding groove, the distance from the sliding block to the center of a centrifugal disc is changed at the moment, the distances from four sliding blocks to the centrifugal disc are equal, the centrifugal effect of a plurality of drugs during centrifugation is ensured to be the same, for test tubes of different specifications, a clamping mechanism needs to be adjusted, a pressure disc needs to be pressed firstly, a limiting rod is separated from clamping with a limiting hole, the pressure disc is loosened when the clamping mechanism is adjusted to a proper position, at the moment, the elastic force of a first spring extrudes the pressure disc, the limiting rod on the upper surface of the pressure disc is clamped with the limiting hole again, the situation that the test tube is unstable after the specification suitable for the test tube is adjusted is prevented, in the rotation process of a hand dial ring, a plurality of buffer sheets are ensured to clamp the test tube, in the inner cavity of a second sliding rod in the rotation process of the hand dial ring, the fixing strip is changed to the center of the fixed plate, and the buffer sheets can clamp the test tube of different specifications at the moment, so that the background technology is solved.

In order to achieve the purpose, the invention provides the following technical scheme: the centrifugal separation device for drug residue detection comprises a centrifugal barrel, wherein supporting legs are fixedly mounted on the lower surface of the centrifugal barrel, an operation window is arranged on the outer surface of the centrifugal barrel, a top cover is clamped at the top end of the centrifugal barrel, an inner cavity of the top cover is rotatably connected with a connecting rod, the bottom end of the connecting rod is fixedly connected with an adjusting assembly, a clamping assembly is arranged on the upper surface of the adjusting assembly, a test tube is clamped in the inner cavity of the clamping assembly, a motor is arranged on the upper surface of the top cover, the motor is sleeved with the connecting rod, and a handle is fixedly mounted on the upper surface of the top cover;

the adjusting component comprises a centrifugal disc, a first sliding groove is formed in the outer surface of the centrifugal disc, sliding blocks are connected to the inner cavity of the first sliding groove in a sliding mode, the number of the sliding blocks is four, first sleeve blocks are arranged on the upper surface of each sliding block, connecting blocks are fixedly mounted on the upper surfaces of the two first sleeve blocks, and the connecting blocks are distributed alternately.

Further, the surface of centrifugal tray rotates and is connected with the adjustment disk, and the middle part fixed mounting of adjustment disk has the regulation pole, and four corners fixed mounting of adjustment disk have the second nest of blocks, and the surface swing joint of second nest of blocks has the connecting strip, and the connecting block has two, and the surface of one of them has cup jointed loop bar, another surface has cup jointed the telescopic link.

Furthermore, one end, far away from the second sleeve block, of the connecting strip is movably connected with the first sleeve block, the sleeve rod is connected with the telescopic rod in a sliding mode, and the adjusting rod is connected with the bottom end of the centrifugal barrel in a rotating mode.

Further, the centre gripping subassembly includes the fixed disk, three second spout has been seted up to the surface of fixed disk, the lower fixed surface of fixed disk is connected with the dead lever, the outer fixed surface of dead lever and slider is connected, the inner chamber of fixed disk rotates and has cup jointed the adjustable ring, the third spout has been seted up to the surface of adjustable ring, the lower fixed surface of adjustable ring installs the hand and dials the ring, the lower surface of hand group ring has seted up spacing hole, the lower surface of hand group ring is inserted and is closed fixed establishment, fixed establishment and first nest of things fixed connection, the inner chamber sliding connection of second spout has fixture.

Further, fixed establishment includes solid fixed ring, and solid fixed ring's upper surface sliding connection has the elasticity pole, and the last fixed surface of elasticity pole installs the pressure disk, and the last fixed surface of pressure disk installs the gag lever post.

Furthermore, the inner cavity of the elastic rod is provided with a first spring, the first spring penetrates through one end of the elastic rod and is fixedly connected with a fixing ring, the other end of the elastic rod is fixedly connected with a pressure disc, the limiting rod is clamped with a limiting hole, and the fixing ring is fixedly connected with the sliding block.

Further, fixture includes first slide bar, the one end fixedly connected with second slide bar of first slide bar, and the last fixed surface of second slide bar installs the fixed strip, and the last fixed surface of fixed strip installs the centre gripping piece, and one side sliding connection of centre gripping piece has the buffer chip.

Furthermore, the first sliding rod is connected with the second sliding groove in a sliding mode, the second sliding rod is connected with the third sliding groove in a sliding mode, a second spring is arranged between the clamping piece and the buffer piece, and the buffer piece is used for clamping the test tube.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the centrifugal separation device for detecting the drug residue, provided by the invention, the centrifugal distance can be adjusted according to the self requirement, so that the drug to be detected can be placed on the clamping components with different centrifugal distances according to the requirement, the settling speed of solid particles is changed, and the separation effect is improved.

2. According to the centrifugal separation device for detecting the drug residues, provided by the invention, the centrifugal separation device can clamp test tubes with different specifications, and the clamping assembly has rigidity and flexibility, so that the test tubes are prevented from being damaged by being clamped by too strong rigidity, and meanwhile, the test tubes are prevented from shaking due to too weak rigidity, so that the centrifugal effect is better.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the centrifuge bucket structure of the present invention;

FIG. 3 is a schematic view of a connecting rod according to the present invention;

FIG. 4 is a schematic view of the adjusting assembly of the present invention;

FIG. 5 is a schematic view of a connector strip according to the present invention;

FIG. 6 is a schematic view of a clamping assembly according to the present invention;

FIG. 7 is a schematic view of the fixing mechanism of the present invention;

FIG. 8 is a schematic view of a clamping mechanism according to the present invention.

In the figure: 1. a centrifuge bucket; 2. supporting legs; 3. an operating window; 4. a top cover; 5. a connecting rod; 6. an adjustment assembly; 61. a centrifugal pan; 62. a first chute; 63. a slider; 64. a first nest block; 65. connecting blocks; 66. an adjusting disk; 67. adjusting a rod; 68. a second nest block; 69. a connecting strip; 610. a loop bar; 611. a telescopic rod; 7. a clamping assembly; 71. fixing the disc; 72. a second chute; 73. a fixing rod; 74. an adjusting ring; 75. a third chute; 76. a hand-pulling ring; 77. a fixing mechanism; 771. a fixing ring; 772. an elastic rod; 773. a pressure disc; 774. a limiting rod; 78. a clamping mechanism; 781. a first slide bar; 782. a second slide bar; 783. a fixing strip; 784. a clamping sheet; 785. a buffer sheet; 8. a test tube; 9. an electric motor; 10. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Please refer to fig. 1 and fig. 2, a centrifugal separation device for medicine remains detection, including centrifugal bucket 1, the lower fixed surface of centrifugal bucket 1 installs supporting leg 2, supporting leg 2 is used for supporting the device, the surface of centrifugal bucket 1 is provided with operation window 3, operation window 3 is used for operating 1 inside of centrifugal bucket, for example, the test tube 8 of taking, the top block of centrifugal bucket 1 has top cap 4, the inner chamber of top cap 4 rotates and is connected with connecting rod 5, the bottom fixedly connected with adjusting part 6 of connecting rod 5, the upper surface of adjusting part 6 is provided with centre gripping subassembly 7, the inner chamber centre gripping of centre gripping subassembly 7 has test tube 8, the upper surface of top cap 4 is provided with motor 9, motor 9 and connecting rod 5 cup joint, the upper surface fixed mounting of top cap 4 has handle 10, handle 10 is used for opening top cap 4, when carrying out the drug separation, put the medicine in test tube 8, place test tube 8 in centre gripping subassembly 7 and carry out the centre gripping, and centre gripping subassembly 7, can carry out the centre gripping to specification 8 of different, can realize adjusting test tube 8 through adjusting subassembly 6 and adjust the test tube distance, work connecting rod 5 through motor 9 drives connecting rod 5, the centrifugal separation subassembly 5 drives adjusting part 5 rotates and adjusts test tube 6, it makes centrifugal separation subassembly 7 to rotate.

Referring to fig. 3, 4 and 5, the adjusting assembly 6 includes a centrifugal plate 61, a first sliding groove 62 is formed on an outer surface of the centrifugal plate 61, a sliding block 63 is slidably connected to an inner cavity of the first sliding groove 62, four sliding blocks 63 are provided, first sleeve blocks 64 are provided on an upper surface of each sliding block 63, connecting blocks 65 are fixedly mounted on upper surfaces of two first sleeve blocks 64, the connecting blocks 65 are alternately distributed, the outer surface of the centrifugal plate 61 is rotatably connected with an adjusting plate 66, an adjusting rod 67 is fixedly mounted at a middle portion of the adjusting plate 66, second sleeve blocks 68 are fixedly mounted at four corners of the adjusting plate 66, connecting bars 69 are movably connected to outer surfaces of the second sleeve blocks 68, two connecting blocks 65 are provided, a sleeve bar 610 is sleeved on an outer surface of one connecting block, an expansion link 611 is sleeved on an outer surface of the other connecting block, one end of each connecting bar 69, which is far away from the second sleeve block 68, is movably connected with the first sleeve block 64, loop bar 610 and telescopic link 611 sliding connection, adjust the bottom of pole 67 and centrifugal bucket 1 and rotate and connect, when adjusting the centrifugal distance of test tube 8, through rotating regulation pole 67, the rotation of adjusting pole 67 drives adjusting disk 66 and rotates, the rotation of adjusting disk 66 drives the second nest block 68 on the adjusting disk 66 and moves, second nest block 68 moves and drives connecting strip 69 and stimulates first nest block 64 and moves, the inner chamber of loop bar 610 at telescopic link 611 at this moment removes, thereby slider 63 moves at the inner chamber of first spout 62, slider 63 changes to the distance at centrifugal disk 61 center this moment, and the distance homogeneous phase of four sliders 63 to centrifugal disk 61 equals, it is the same to guarantee that a plurality of medicines carry out centrifugation time centrifugal effect, make the position of centre gripping subassembly 7 change through the position of adjusting slider 63 promptly, thereby the position of test tube 8 has been changed.

Referring to fig. 6, 7 and 8, the clamping assembly 7 includes a fixed disk 71, three second sliding grooves 72 are formed in the outer surface of the fixed disk 71, a fixed rod 73 is fixedly connected to the lower surface of the fixed disk 71, the fixed rod 73 is fixedly connected to the outer surface of the slider 63, an adjusting ring 74 is rotatably sleeved in the inner cavity of the fixed disk 71, a third sliding groove 75 is formed in the outer surface of the adjusting ring 74, a hand-pulling ring 76 is fixedly mounted on the lower surface of the adjusting ring 74, a limit hole is formed in the lower surface of the hand-pulling ring 76, a fixing mechanism 77 is inserted into the lower surface of the hand-pulling ring 76, the fixing mechanism 77 is fixedly connected to the first sleeve block 64, a clamping mechanism 78 is slidably connected to the inner cavity of the second sliding groove 72, for test tubes 8 of different specifications, the clamping mechanism 78 needs to be adjusted, the limit rod 774 and the limit hole are disengaged, the adjusting ring 74 is rotated by rotating the hand-pulling ring 76, the rotating of the adjusting ring 74 drives the clamping mechanism 78 to move, wherein the fixing mechanism 77 is used for fixing the clamping mechanism 78, so as to prevent the test tubes 8 from being adjusted to be unstable after being suitable for placing drugs to be placed on the clamping assembly 7 of different centrifugal distances as required, and to change the settling speed of solid particles, thereby improving the settling effect of separation.

Referring to fig. 7, the fixing mechanism 77 includes a fixing ring 771, an elastic rod 772 is slidably connected to an upper surface of the fixing ring 771, a pressure disc 773 is fixedly installed on an upper surface of the elastic rod 772, a limit rod 774 is fixedly installed on an upper surface of the pressure disc 773, a first spring is arranged in an inner cavity of the elastic rod 772, one end of the first spring penetrating through the elastic rod 772 is fixedly connected with the fixing ring 771, the other end of the first spring is fixedly connected with the pressure disc 773, the limit rod 774 is engaged with the limit hole, the fixing ring 771 is fixedly connected with the slider 63, during rotation of the hand-dial ring 76, the pressure disc 773 needs to be pressed first to disengage the limit rod 774 from the limit hole, when the clamping mechanism 78 is adjusted to a proper position, the pressure disc 773 is released, at this time, the elastic force of the first spring presses the pressure disc 773, so that the limit rod 774 on the upper surface of the pressure disc 773 is engaged with the limit hole again, so that the hand-dial ring 76 is in a fixed state, and it is ensured that several buffer sheets 785 clamp the test tube 8.

Please refer to fig. 6 and 8, the clamping mechanism 78 includes a first slide bar 781, one end of the first slide bar 781 is fixedly connected with a second slide bar 782, an upper surface of the second slide bar 782 is fixedly provided with a fixing strip 783, an upper surface of the fixing strip 783 is fixedly provided with a clamping piece 784, one side of the clamping piece 784 is slidably connected with a buffer piece 785, the first slide bar 781 and the second slide slot 72 are slidably connected, the second slide bar 782 and the third slide slot 75 are slidably connected, a second spring is arranged between the clamping piece 784 and the buffer piece 785, it is ensured that the test tube 8 can be clamped after the position of the buffer piece 785 is adjusted, and the second spring between the clamping piece 784 and the buffer piece 785 plays a buffering effect, it is avoided that the clamping rigidity is too strong and the test tube is easily broken, it is inconvenient to be taken out, meanwhile, the stability of the clamping is ensured that the buffer piece 785 is used for clamping the test tube 8, in the process that the hand-dial ring 76 rotates, the hand-dial ring 76 drives the adjusting ring 74 to rotate, the rotation of the second slide bar 74 drives the inner cavity of the second slide bar 782 to drive the inner cavity of the third slide slot 75, the slide bar 783, it is prevented that the test tube from sliding groove 71 from swinging of the centrifugal clamp from being too strong and the centrifugal clamp, the centrifugal clamp 71, and the test tube 72, the centrifugal clamp can be prevented from swinging.

To sum up: when the centrifugal distance of the test tube 8 is adjusted, the adjustment rod 67 is rotated, the rotation of the adjustment rod 67 drives the sliding block 63 to move in the inner cavity of the first sliding groove 62, at the moment, the distance from the sliding block 63 to the center of the centrifugal disc 61 is changed, and the distances from the four sliding blocks 63 to the centrifugal disc 61 are equal, so that the centrifugal effects of multiple medicines during centrifugation are the same, for test tubes 8 of different specifications, the clamping mechanism 78 needs to be adjusted, firstly, the pressure disc 773 needs to be pressed, the limiting rod 774 is separated from the clamping of the limiting hole, the pressure disc 773 is loosened when the clamping mechanism 78 is adjusted to a proper position, at the moment, the elastic force of the first spring extrudes the pressure disc 773, so that the limiting rod 774 on the upper surface of the pressure disc 773 is clamped with the limiting hole again, the test tube 8 specification is prevented from being adjusted to be unstable, in the rotating process of the hand dial ring 76, several buffer sheets 785 are guaranteed to clamp the test tube 8, in the inner cavity of the second sliding groove 72 in the rotating process of the hand dial ring 76, so that the distance from the fixed disc 783 to clamp the test tube 8, and the test tube can be clamped by different specifications.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A centrifugal separation device for medicine remains detection, including centrifugation bucket (1), its characterized in that: the lower surface of the centrifugal barrel (1) is fixedly provided with supporting legs (2), the outer surface of the centrifugal barrel (1) is provided with an operation window (3), the top end of the centrifugal barrel (1) is clamped with a top cover (4), the inner cavity of the top cover (4) is rotatably connected with a connecting rod (5), the bottom end of the connecting rod (5) is fixedly connected with an adjusting component (6), the upper surface of the adjusting component (6) is provided with a clamping component (7), the inner cavity of the clamping component (7) clamps a test tube (8), the upper surface of the top cover (4) is provided with a motor (9), the motor (9) is sleeved with the connecting rod (5), and the upper surface of the top cover (4) is fixedly provided with a handle (10);

adjusting part (6) include centrifugal disc (61), first spout (62) have been seted up to the surface of centrifugal disc (61), the inner chamber sliding connection of first spout (62) has slider (63), there are four of slider (63), the upper surface of slider (63) all is provided with first cover piece (64), and wherein two first cover piece (64) fixed surface install connecting block (65), connecting block (65) distribute in turn.

2. The centrifugal separation device for drug residue detection according to claim 1, wherein: the surface of centrifugation dish (61) rotates and is connected with adjustment disk (66), the middle part fixed mounting of adjustment disk (66) has regulation pole (67), four corners fixed mounting of adjustment disk (66) have second cover piece (68), the surface swing joint of second cover piece (68) has connecting strip (69), connecting block (65) have two, and the surface of one of them has cup jointed loop bar (610), another surface has cup jointed telescopic link (611).

3. The centrifugal separation device for drug residue detection according to claim 2, wherein: one end, far away from the second sleeve block (68), of the connecting strip (69) is movably connected with the first sleeve block (64), the sleeve rod (610) is connected with the telescopic rod (611) in a sliding mode, and the adjusting rod (67) is connected with the bottom end of the centrifugal barrel (1) in a rotating mode.

4. The centrifugal separation device for drug residue detection according to claim 1, wherein: the centre gripping subassembly (7) include fixed disk (71), three second spout (72) have been seted up to the surface of fixed disk (71), the lower fixed surface of fixed disk (71) is connected with dead lever (73), the outer fixed surface of dead lever (73) and slider (63) is connected, the inner chamber of fixed disk (71) rotates and has cup jointed adjustable ring (74), third spout (75) have been seted up to the surface of adjustable ring (74), the lower fixed surface of adjustable ring (74) installs hand and dials ring (76), the spacing hole has been seted up to the lower surface of hand dialling ring (76), the lower surface of hand dialling ring (76) is inserted and is closed fixed establishment (77), fixed establishment (77) and first cover piece (64) fixed connection, the inner chamber sliding connection of second spout (72) has fixture (78).

5. The centrifugal separation device for drug residue detection according to claim 4, wherein: fixed establishment (77) are including solid fixed ring (771), the upper surface sliding connection of solid fixed ring (771) has elastic rod (772), the last fixed surface of elastic rod (772) installs pressure disc (773), the last fixed surface of pressure disc (773) installs gag lever post (774).

6. The centrifugal separation device for drug residue detection according to claim 5, wherein: the inner chamber of elasticity pole (772) is provided with first spring, and first spring runs through elasticity pole (772) one end and solid fixed ring (771) fixed connection, other end and pressure dish (773) fixed connection, gag lever post (774) and spacing hole block, gu fixed ring (771) and slider (63) fixed connection.

7. The centrifugal separation device for drug residue detection according to claim 4, wherein: fixture (78) include first slide bar (781), the one end fixedly connected with second slide bar (782) of first slide bar (781), the last fixed surface of second slide bar (782) installs fixed strip (783), the last fixed surface of fixed strip (783) installs holding piece (784), one side sliding connection of holding piece (784) has buffer chip (785).

8. The centrifugal separation device for drug residue detection according to claim 7, wherein: first slide bar (781) and second spout (72) sliding connection, second slide bar (782) and third spout (75) sliding connection, be provided with the second spring between holding piece (784) and buffering piece (785), buffering piece (785) are used for centre gripping test tube (8).