Medical detection sample liquid centrifugal separation equipment

Abstract

The utility model discloses medical detection sample liquid centrifugal separation equipment, and relates to the technical field of centrifugal separation equipment, the medical detection sample liquid centrifugal separation equipment comprises a centrifugal protection cylinder, the top of the centrifugal protection cylinder is movably connected with a sealing cover, the top of the sealing cover is fixedly connected with a handle, and the bottom of the inner wall of the centrifugal protection cylinder is provided with a lifting structure; the top of the lifting structure is fixedly connected with a fixing structure. Under the action of the lifting structure, a test tube can be lifted out of the centrifugal protective cylinder, the situation that a person is injured due to safety accidents caused by the fact that a hand stretches into equipment is avoided, taking is convenient, and the convenience of the device is improved; according to the medical detection sample liquid centrifugal separation equipment, automatic centrifugal separation of test tube sample liquid can be achieved through the medical detection sample liquid centrifugal separation equipment, labor force is relieved, the medical detection sample liquid centrifugal separation equipment can clamp and fix test tubes, the test tubes are convenient to mount and dismount, the test tubes are prevented from being thrown away during centrifugal separation, and the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal separation equipment, in particular to a medical testing sample liquid centrifugal separation equipment. Background Art

[0002] Centrifugal testing of medical sample liquids is a common bioanalysis technology, which is mainly used in the fields of biochemistry, immunology and clinical diagnosis. Specifically, centrifugal testing of medical sample liquids can separate cells, proteins, DNA, RNA, etc. in the sample through centrifugal force, and conduct quantitative and qualitative analysis on them to obtain relevant biological information. Nowadays, liquid samples are usually placed in test tubes, and the test tubes are sealed. The sealed test tubes are then placed in the centrifugal separation equipment that needs to be used. By starting the centrifugal separation equipment, centrifugal precipitation of the liquid sample is achieved, which is beneficial for medical staff to conduct quantitative or qualitative analysis of the supernatant after centrifugation;

[0003] The existing technology takes up a large space and is not easy to carry. Since the centrifuge is a rotating device, the existing technology has no fixed structure. Therefore, when the device is started, the test tube being centrifuged is easy to be thrown away. When the centrifugation is completed, manually reaching into the centrifuge to remove the test tube is prone to safety accidents, causing personal injury and equipment damage. Utility Model Content

[0004] The utility model provides a medical test sample liquid centrifugal separation device, which solves the problems existing in the above background.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A medical test sample liquid centrifugal separation device comprises a centrifugal casing, the top of the centrifugal casing is movably connected to a sealing cover, the top of the sealing cover is fixedly connected to a handle, the bottom of the inner wall of the centrifugal casing is provided with a lifting structure, and the top of the lifting structure is fixedly connected to a fixed structure.

[0007] A further improvement of the technical solution of the utility model lies in that: two symmetrical rectangular installation grooves are provided at the bottom of the inner wall of the centrifugal casing, a rectangular driving groove is provided on the right side of the bottom of the inner wall of the centrifugal casing, circular through holes penetrating the rectangular driving grooves are provided on the right sides of the two rectangular installation grooves and are movably connected with a connecting shaft three, a left end of the connecting shaft three is fixedly connected with a two-way threaded rod, a left end of the two-way threaded rod is slidably connected to the left side of the inner wall of the rectangular installation groove, a right end of the connecting shaft three is slidably connected to the right side of the inner wall of the rectangular driving groove, the outer walls of the two two-way threaded rods are symmetrically threadedly connected with two sliders one, the top of the slider one is hinged with a connecting plate, and the left and right connecting shafts are fixedly connected with a two-way threaded rod ... A supporting plate is hinged on the top of the plate, and the outer walls of the connecting shafts three are fixedly connected with bevel gears two, and the surface of the bevel gears two is meshingly connected with bevel gear one, and the inner ends of the two bevel gears one are fixedly connected with rotating rods, and the center points of the outer walls of the rotating rods are fixedly connected with the connecting shafts, and the outer walls of the rotating rods are symmetrically provided with two supporting sleeves, and the inner walls of the supporting sleeves are fixedly connected with bearings, and the outer walls of the rotating rods are fixedly connected with the inner walls of the bearings, and a rectangular fixing groove is provided on the rear side of the inner wall of the rectangular driving groove, and a stepping motor is fixedly connected to the bottom of the inner wall of the rectangular fixing groove, and the output end of the stepping motor is fixedly connected with a rotating shaft, and the outer walls of the rotating shaft and the outer walls of the connecting shaft are provided with belts for driving.

[0008] A further improvement of the technical solution of the utility model is that: the fixed structure includes a support plate, the top of the support plate is fixedly connected to a stepper motor 2, the output end of the stepper motor 2 is fixedly connected to a rotating shaft 2, the other end of the rotating shaft 2 is fixedly connected to a bevel gear 3, the surface of the bevel gear 3 is meshingly connected to a bevel gear 4, the inner wall of the bevel gear 4 is fixedly connected to a support rod, the bottom of the support rod is slidably connected to the top of the support plate, the top of the support rod is fixedly connected to a mounting plate, the outer wall of the mounting plate is fixedly connected to a plurality of clamping assemblies in a circular array, the clamping assembly includes a connecting block, the left side of the connecting block is fixedly connected to a fixing plate, the top of the fixing plate is fixedly connected to a mounting block, the left side of the mounting block is provided with a rectangular slide groove and is fixedly connected to the support block, the support block is opened A circular slide groove is provided that penetrates front and back and is movably connected with a sliding rod, and both ends of the sliding rod are fixedly connected with a threaded rod, and the rear end of the rear threaded rod is slidably connected to the inner wall of the rectangular slide groove, and the front side of the rectangular slide groove is provided with a circular sliding hole that penetrates the outside, and the front end of the front threaded rod penetrates to the outside of the circular through hole and is fixedly connected with a twisting block, the outer wall of the threaded rod is movably connected with a sliding block 2, and the front side of the sliding block 2 is fixedly connected with an L-shaped plate, and the inner side of the L-shaped plate has two circular mounting holes that penetrate the outside symmetrically front and back, and the inner wall of the circular through hole is movably connected with a movable rod, and the inner sides of the outer walls of the two movable rods are both covered with springs, and the inner end of the movable rod is fixedly connected with a clamping block, and a connecting sleeve is fixedly connected to the lower left side of the twisting block, and the connecting sleeve is provided with a circular slot that penetrates up and down.

[0009] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0010] 1. The utility model provides a medical test sample liquid centrifugal separation device. Through the joint action of a stepper motor, a rotating shaft, a belt, a connecting shaft, a rotating rod, a supporting sleeve, a bevel gear 1, a bevel gear 2, a connecting shaft 3, a bidirectional threaded rod, a slider 1, a connecting plate, and a supporting plate, a test tube can be lifted out of a centrifugal casing to avoid safety accidents caused by putting hands into the equipment and causing personal injuries, making it easy to take out and improving the convenience of the device.

[0011] 2. The utility model provides a medical test sample liquid centrifugal separation device. Through the joint action of a support plate, a second stepper motor, a second rotating shaft, a third bevel gear, a fourth bevel gear, a support rod, a mounting plate, a clamping assembly, a connecting block, a mounting block, a support block, a sliding rod, a threaded rod, a second sliding block, an L-shaped plate, a movable rod, a spring, a clamping block, a fixing plate, a connecting sleeve, and a twisting block, the medical test sample liquid centrifugal separation device can realize automatic centrifugal separation of test tube sample liquid, thereby reducing labor, and enabling the medical test sample liquid centrifugal separation device to clamp and fix the test tube, facilitate the installation and disassembly of the test tube, prevent the test tube from flying off during centrifugal separation, and improve the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the structural section of the utility model;

[0014] Figure 3 This is a schematic diagram of the lifting structure of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the fixed structure of the utility model;

[0016] Figure 5 It is a schematic diagram of the structural cross-section of the clamping assembly of the utility model.

[0017] In the figure: 1, centrifugal casing; 2, sealing cover; 3, handle; 4, lifting structure; 5, fixed structure; 41, stepping motor; 42, rotating shaft; 43, belt; 44, connecting shaft; 45, rotating rod; 46, supporting sleeve; 47, bevel gear one; 48, bevel gear two; 49, connecting shaft three; 40, two-way threaded rod; 401, slider one; 402, connecting plate; 403, supporting plate; 51, supporting plate; 52, stepping motor two; 53. Rotating shaft 2; 54. Bevel gear 3; 55. Bevel gear 4; 56. Support rod; 57. Mounting plate; 58. Clamping assembly; 581. Connecting block; 582. Mounting block; 583. Support block; 584. Sliding rod; 585. Threaded rod; 586. Sliding block 2; 587. L-shaped plate; 588. Movable rod; 589. Spring; 580. Clamping block; 5801. Fixing plate; 5802. Connecting sleeve; 5803. Tightening block. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0019] like Figure 1-2 As shown, the utility model provides a medical test sample liquid centrifugal separation device, including a centrifugal casing 1, a sealing cover 2 is movably connected to the top of the centrifugal casing 1, a handle 3 is fixedly connected to the top of the sealing cover 2, a lifting structure 4 is arranged at the bottom of the inner wall of the centrifugal casing 1, and a fixed structure 5 is fixedly connected to the top of the lifting structure 4;

[0020] The test tube can be lifted out of the centrifugal casing by the lifting structure 4, so as to avoid safety accidents caused by putting hands into the equipment and causing personal injuries, and it is convenient to take out. The medical test sample liquid centrifugal separation equipment can realize automatic centrifugal separation of test tube sample liquid by the fixing structure 5, which reduces labor, and can enable the medical test sample liquid centrifugal separation equipment to clamp and fix the test tube, which is convenient for the installation and removal of the test tube and prevents the test tube from flying during centrifugal separation.

[0021] like Figure 3 As shown, the utility model provides a technical solution: two symmetrical rectangular installation grooves are provided at the bottom of the inner wall of the centrifugal casing 1, a rectangular driving groove is provided on the right side of the bottom of the inner wall of the centrifugal casing 1, circular through holes penetrating the rectangular driving grooves are provided on the right sides of the two rectangular installation grooves and are movably connected with a connecting shaft three 49, a left end of the connecting shaft three 49 is fixedly connected with a bidirectional threaded rod 40, a left end of the bidirectional threaded rod 40 is slidably connected to the left side of the inner wall of the rectangular installation groove, a right end of the connecting shaft three 49 is slidably connected to the right side of the inner wall of the rectangular driving groove, the outer walls of the two bidirectional threaded rods 40 are symmetrically threadedly connected to two sliders 401, the top of the slider 401 is hinged with a connecting plate 402, and the tops of the left and right connecting plates 402 are hinged A support plate 403 is connected, the outer wall of the connecting shaft three 49 is fixedly connected with a bevel gear two 48, the surface of the bevel gear two 48 is meshedly connected with a bevel gear one 47, the inner ends of the two bevel gears one 47 are fixedly connected with a rotating rod 45, the center point of the outer wall of the rotating rod 45 is fixedly connected with a connecting shaft 44, the outer wall of the rotating rod 45 is symmetrically provided with two supporting sleeves 46, the inner wall of the supporting sleeve 46 is fixedly connected with a bearing, the outer wall of the rotating rod 45 is fixedly connected with the inner wall of the bearing, a rectangular fixing groove is opened on the rear side of the inner wall of the rectangular driving groove, the bottom of the inner wall of the rectangular fixing groove is fixedly connected with a stepping motor 41, the output end of the stepping motor 41 is fixedly connected with a rotating shaft 42, and the outer wall of the rotating shaft 42 and the outer wall of the connecting shaft 44 are provided with a belt 43 for driving;

[0022] The stepper motor 41 is started and drives the rotating shaft 42 to rotate, thereby rotating the belt 43 and driving the connecting shaft 44 to rotate. The connecting shaft 44 rotates inside the two supporting sleeves 46 to rotate the bevel gears 1 47 at both ends. The bevel gear 1 47 rotates to rotate the bevel gear 2 48 and then drives the connecting shaft 3 49 and the two-way threaded rod 40 to rotate, so that the two sliders 1 401 on the surfaces of the two two-way threaded rods 40 move inward and outward at the same time, and drive the connecting plate 402 to lift and lower the support plate 403, so as to achieve the effect of lifting and lowering.

[0023] like Figure 4-5As shown, the utility model provides a technical solution: the fixed structure 5 includes a support plate 51, the top of the support plate 51 is fixedly connected to a stepper motor 2 52, the output end of the stepper motor 2 52 is fixedly connected to a rotating shaft 2 53, the other end of the rotating shaft 2 53 is fixedly connected to a bevel gear 3 54, the surface of the bevel gear 3 54 is meshingly connected to a bevel gear 4 55, the inner wall of the bevel gear 4 55 is fixedly connected to a support rod 56, the bottom of the support rod 56 is slidably connected to the top of the support plate 51, the top of the support rod 56 is fixedly connected to a mounting plate 57, the outer wall of the mounting plate 57 is fixedly connected to a plurality of clamping assemblies 58 in a circular array, the clamping assembly 58 includes a connecting block 581, the left side of the connecting block 581 is fixedly connected to a fixing plate 5801, the top of the fixing plate 5801 is fixedly connected to a mounting block 582, the left side of the mounting block 582 is provided with a rectangular slide groove and fixedly connected to a support block 583, the support block 583 is provided There is a circular slide groove running through the front and back and movably connected with a slide rod 584, both ends of the slide rod 584 are fixedly connected with threaded rods 585, the rear end of the rear threaded rod 585 is slidably connected to the inner wall of the rectangular slide groove, the front side of the rectangular slide groove is provided with a circular slide hole running through the outside, the front end of the front threaded rod 585 runs through the outside of the circular through hole and is fixedly connected with a screw block 5803, the outer wall of the threaded rod 585 is movably connected with a slider 2 586, the front side of the slider 2 586 is fixedly connected with an L-shaped plate 587, the inner side of the L-shaped plate 587 is symmetrically provided with two circular mounting holes running through the outside, the inner wall of the circular through hole is movably connected with a movable rod 588, the inner sides of the outer walls of the two movable rods 588 are both sleeved with springs 589, the inner end of the movable rod 588 is fixedly connected with a clamping block 580, the lower left side of the screw block 5803 is fixedly connected with a connecting sleeve 5802, and the connecting sleeve 5802 is provided with a circular slot running through from top to bottom;

[0024] The stepper motor 2 52 is started and drives the rotating shaft 2 53 to rotate, thereby rotating the bevel gear 3 54. The bevel gear 3 54 rotates to rotate the bevel gear 4 55 and drive the support rod 56 to rotate, thereby driving the mounting plate 57 and the clamping assembly 58 to rotate. By inserting the test tube into the inner side of the two clamping blocks 580 and the inside of the connecting sleeve 5802, the clamping block 580 pushes the movable rod 588 and squeezes the spring 589 to clamp the test tube for centrifugal separation. When the test tube needs to be extracted, the screw block 5803 is twisted to drive the screw block 5803 to rotate the threaded rod 585 so that the sliding rod 584 rotates inside the support block 583, and the rear threaded rod 585 rotates, so that the sliders 2 586 on the surfaces of the two threaded rods 585 move outward at the same time, thereby driving the L-shaped plate 587 to move the two clamping blocks 580 outward to take out the test tube.

[0025] The working principle of the medical test sample liquid centrifugal separation equipment is described in detail below.

[0026] like Figure 1-5 As shown, the test tube can be lifted out of the centrifugal casing by the lifting structure 4, so as to avoid safety accidents caused by putting hands into the equipment and causing personal injuries, and it is convenient to take out. The medical detection sample liquid centrifugal separation equipment can realize automatic centrifugal separation of the test tube sample liquid by the fixing structure 5, which reduces labor, and can enable the medical detection sample liquid centrifugal separation equipment to clamp and fix the test tube, which is convenient for the installation and removal of the test tube and prevents the test tube from flying during centrifugal separation. The stepper motor 41 is started and drives the rotating shaft 42 to rotate, thereby rotating the belt 43 and driving the connecting shaft 44 to rotate. The connecting shaft 44 rotates inside the two support sleeves 46 to rotate the bevel gears 1 47 at both ends. The bevel gears 1 47 rotate, and the bevel gears 2 48 rotate, thereby driving the connecting shaft 3 49 and the bidirectional threaded rod 40 to rotate, so that the two sliders 1 401 on the surfaces of the two bidirectional threaded rods 40 move inward and outward at the same time, and drive the connecting plate 402 to rotate. The support plate 403 is lifted and lowered to achieve the lifting effect, and the stepper motor 2 52 is started and drives the rotating shaft 2 53 to rotate, thereby rotating the bevel gear 3 54, and the bevel gear 3 54 rotates to rotate the bevel gear 4 55 and drive the support rod 56 to rotate, thereby driving the mounting plate 57 and the clamping assembly 58 to rotate, and inserting the test tube into the inner side of the two clamping blocks 580 and the inside of the connecting sleeve 5802, so that the clamping block 580 pushes the movable rod 588 and squeezes the spring 589 to clamp the test tube for centrifugal separation, and when the test tube needs to be extracted, by twisting the screw block 5803, the screw block 5803 drives the threaded rod 585 to rotate, so that the sliding rod 584 rotates inside the support block 583, and the rear threaded rod 585 rotates, so that the sliders 2 586 on the surfaces of the two threaded rods 585 move outward at the same time, thereby driving the L-shaped plate 587 to move the two clamping blocks 580 outward to take out the test tube.

[0027] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A centrifugal separation device for medical test sample liquid, comprising a centrifugal casing (1), characterized in that: The top of the centrifugal casing (1) is movably connected to a sealing cover (2), the top of the sealing cover (2) is fixedly connected to a handle (3), the bottom of the inner wall of the centrifugal casing (1) is provided with a lifting structure (4), the top of the lifting structure (4) is fixedly connected to a fixing structure (5), the fixing structure (5) comprises a supporting plate (51), the top of the supporting plate (51) is fixedly connected to a second stepping motor (52), the output end of the second stepping motor (52) is fixedly connected to a second rotating shaft (5 3), the other end of the rotating shaft 2 (53) is fixedly connected with a bevel gear 3 (54), the surface of the bevel gear 3 (54) is meshingly connected with a bevel gear 4 (55), the inner wall of the bevel gear 4 (55) is fixedly connected with a support rod (56), the bottom of the support rod (56) is slidably connected to the top of the support plate (51), the top of the support rod (56) is fixedly connected with a mounting plate (57), and the outer wall of the mounting plate (57) is fixedly connected with a plurality of clamping assemblies (58) in a circular array.

2. A medical test sample liquid centrifugal separation device according to claim 1, characterized in that: The bottom of the inner wall of the centrifugal casing (1) is provided with two symmetrical rectangular installation grooves, the right side of the bottom of the inner wall of the centrifugal casing (1) is provided with a rectangular driving groove, the right sides of the two rectangular installation grooves are provided with circular through holes penetrating the rectangular driving grooves and are movably connected with a connecting shaft three (49), the left end of the connecting shaft three (49) is fixedly connected with a bidirectional threaded rod (40), the left end of the bidirectional threaded rod (40) is slidably connected to the left side of the inner wall of the rectangular installation groove, the right end of the connecting shaft three (49) is slidably connected to the right side of the inner wall of the rectangular driving groove, the outer walls of the two bidirectional threaded rods (40) are symmetrically threadedly connected with two sliders one (401), the top of the slider one (401) is hinged with a connecting plate (402), and the tops of the left and right connecting plates (402) are hinged with a supporting plate (403).

3. A medical test sample liquid centrifugal separation device according to claim 2, characterized in that: The outer walls of the connecting shafts (49) are fixedly connected with bevel gears (48), the surfaces of the bevel gears (48) are meshingly connected with bevel gears (47), the inner ends of the two bevel gears (47) are fixedly connected with rotating rods (45), the center point of the outer wall of the rotating rods (45) is fixedly connected with the connecting shaft (44), the outer wall of the rotating rods (45) is symmetrically provided with two supporting sleeves (46), the inner wall of the supporting sleeves (46) is fixedly connected with a bearing, the outer wall of the rotating rods (45) is fixedly connected with the inner wall of the bearing, a rectangular fixing groove is provided at the rear side of the inner wall of the rectangular driving groove, a stepping motor (41) is fixedly connected to the bottom of the inner wall of the rectangular fixing groove, the output end of the stepping motor (41) is fixedly connected with a rotating shaft (42), and the outer wall of the rotating shaft (42) and the outer wall of the connecting shaft (44) are provided with a belt (43) for driving.

4. A medical test sample liquid centrifugal separation device according to claim 1, characterized in that: The clamping assembly (58) includes a connecting block (581), the left side of the connecting block (581) is fixedly connected to a fixing plate (5801), the top of the fixing plate (5801) is fixedly connected to a mounting block (582), the left side of the mounting block (582) is provided with a rectangular slide groove and is fixedly connected to a supporting block (583), the supporting block (583) is provided with a circular slide groove penetrating front and rear and is movably connected to a sliding rod (584), both ends of the sliding rod (584) are fixedly connected to threaded rods (585), the rear end of the threaded rod (585) at the rear is slidably connected to the inner wall of the rectangular slide groove, the front side of the rectangular slide groove is provided with a circular slide hole penetrating the outside, and the front end of the threaded rod (585) at the front passes through the outside of the circular through hole and is fixedly connected to the twisting block (5803).

5. A medical test sample liquid centrifugal separation device according to claim 4, characterized in that: The outer wall of the threaded rod (585) is movably connected to a second slider (586), the front side of the second slider (586) is fixedly connected to an L-shaped plate (587), the inner side of the L-shaped plate (587) is symmetrically provided with two circular mounting holes penetrating the outside, the inner wall of the circular through hole is movably connected to a movable rod (588), the inner sides of the outer walls of the two movable rods (588) are both sleeved with springs (589), and the inner ends of the movable rods (588) are fixedly connected to a clamping block (580).

6. A medical test sample liquid centrifugal separation device according to claim 4, characterized in that: A connecting sleeve (5802) is fixedly connected to the lower part of the left side of the screw block (5803), and the connecting sleeve (5802) is provided with a circular slot running through from top to bottom.

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