Chemical reaction centrifugal machine

Abstract

The utility model provides a chemical reaction centrifugal machine, which belongs to the technical field of centrifugal machines and comprises a centrifugal machine body, a fixing pipe is arranged above the centrifugal machine body, a fixing component is arranged in the fixing pipe and comprises a bearing arranged at the center of the lower end of the fixing pipe, and an outer ring of the bearing is fixed at the center of the lower end of the fixing pipe. A screw is fixed to the inner ring of the bearing, a movable column is in threaded connection with the surface of the screw, first hinge blocks are arranged at the two ends of the two side faces of the movable column, through grooves are formed in the two sides of the lower inner wall of the fixed pipe, second hinge blocks are arranged on the two sides of the lower surface of the connecting column, and connecting plates are hinged between the first hinge blocks and the second hinge blocks. Hinge shafts are arranged at the two ends of the connecting plate, the hinge shafts at the two ends of the connecting plate are hinged to the first hinge block and the second hinge block correspondingly, and a clamping plate is arranged at the upper end of the connecting column; the centrifugal tube fixing device can be used for fixing centrifugal tubes with different sizes, the stability of the centrifugal process is improved, the centrifugal effect is improved, and the device is high in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuges, in particular to a chemical reaction centrifuge. Background Art

[0002] Centrifugation is to use the strong centrifugal force generated by the high-speed rotation of the centrifuge rotor to accelerate the sedimentation rate of particles in the liquid and separate substances with different sedimentation coefficients and buoyancy densities in the sample. However, some existing centrifuges cannot fix centrifuge tubes of different sizes, resulting in poor stability of the centrifugation process and reduced centrifugal effect.

[0003] The utility model with authorization announcement number CN 210411173 U discloses a chemical reaction centrifuge, including a base, a centrifugal turntable, a plurality of centrifugal rods and a fixed cavity for placing and fixing centrifugal tubes; a centrifugal motor is arranged in the base, and the centrifugal motor is connected to the centrifugal turntable through a rotating shaft; the centrifugal rods are arranged on the centrifugal turntable and are evenly spaced along the circumferential direction of the centrifugal turntable, and the fixed cavity is arranged at one end of the centrifugal rods; a circular groove is arranged on the side of the centrifugal turntable away from the rotating shaft, and a sleeve for accommodating the centrifugal rods is arranged in the circular groove, and the centrifugal rods are slidably connected to the sleeve; an adjusting device for adjusting the length of the centrifugal rod extending out of the sleeve is also arranged on the centrifugal turntable. The utility model has a simple structure and good stability, which is not only convenient for changing the centrifugal force, but also saves time and effort during operation, thereby improving work efficiency;

[0004] Although the device can adjust the centrifugal force, it cannot fix centrifuge tubes of different sizes, the centrifugal process has poor stability, the centrifugal effect is poor, and the device is not suitable for many applications. Utility Model Content

[0005] In view of this, the utility model provides a chemical reaction centrifuge, which can fix centrifuge tubes of different sizes, improve the stability of the centrifugal process, improve the centrifugal effect, and the device has strong applicability.

[0006] In order to solve the above technical problems, the utility model provides a chemical reaction centrifuge, including a centrifuge body, a fixed tube is arranged above the centrifuge body, a fixed assembly is arranged in the fixed tube, the fixed assembly includes a bearing arranged in the center of the lower end of the fixed tube, the outer ring of the bearing is fixed in the center of the lower end of the fixed tube, the inner ring of the bearing is fixed with a screw, a movable column is threadedly connected to the surface of the screw, both ends of the two sides of the movable column are provided with a first hinge block, both sides of the lower inner wall of the fixed tube are provided with a through groove, a connecting column is slidably arranged in the through groove, and both sides of the lower surface of the connecting column are provided with a second hinge block. Two hinge blocks, a connecting plate is hingedly arranged between the first hinge block and the second hinge block, hinge shafts are arranged at both ends of the connecting plate, and the hinge shafts at both ends of the connecting plate are hinged to the first hinge block and the second hinge block respectively, and a splint is arranged on the upper end of the connecting column. After the staff puts the centrifuge tube into the fixed tube, the centrifuge tube is located between the two splints, and then the screw is rotated. When the two connecting columns approach each other, the splints are driven to approach each other, so that the splints can fix centrifuge tubes of different sizes, thereby improving the stability of the centrifugation process, improving the centrifugation effect, and the device has strong applicability.

[0007] A handle is arranged at the lower end of the screw rod, and an anti-skid thread is arranged on the surface of the handle to prevent the hands from slipping.

[0008] Slide grooves are provided on both inner side walls of the through groove, and sliders are provided on both sides of the connecting column. The sliders are slidably arranged in the slide grooves. The slide grooves and the sliders cooperate with each other to prevent the connecting column from tilting and improve the stability of the connecting column during movement.

[0009] Rollers are installed on the upper and lower inner walls of the slide, and the surface of the rollers contacts the surface of the slider. The rollers make the slider slide more smoothly, which makes it easier for the staff to turn the handle.

[0010] The cross section of the clamping plate is arc-shaped, and the arc-shaped clamping plate can improve the limiting effect on the centrifuge tube and improve the clamping effect.

[0011] A rubber pad is arranged on the surface of the clamping plate to prevent the clamping plate from damaging the centrifuge tube.

[0012] A cushion block is arranged at the center of the lower inner wall of the fixed tube. The cushion block is made of plastic foam material. The cushion block of plastic foam material can support the bottom of the centrifuge tube to prevent damage to the centrifuge tube.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. When the utility model is used, the staff puts the centrifuge tube into the fixed tube so that the centrifuge tube is located between the two clamping plates, and then rotates the screw. When the two connecting columns approach each other, the clamping plates are driven to approach each other, so that the clamping plates can fix centrifuge tubes of different sizes, improve the stability of the centrifugal process, improve the centrifugal effect, and the device has strong applicability.

[0015] 2. When the utility model is used, the slide groove and the slider cooperate with each other to prevent the connecting column from tilting, thereby improving the stability of the connecting column during movement.

[0016] 3. When the utility model is used, the roller makes the slide block slide more smoothly, thereby making it easier for the staff to turn the handle.

[0017] 4. When the utility model is used, the arc-shaped clamping plate can improve the limiting effect on the centrifuge tube and improve the clamping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a front cross-sectional view of the interior of the fixing assembly of the utility model;

[0020] Figure 3 This is a cross-sectional view of the internal structure of the fixed pipe of the utility model;

[0021] Figure 4 It is an enlarged schematic diagram of the structure at point A of the present utility model.

[0022] Explanation of the reference numerals: 100, centrifuge body; 200, fixed tube; 300, fixed assembly; 301, bearing; 302, cushion block; 303, screw; 304, movable column; 305, first hinge block; 306, through groove; 307, connecting column; 308, second hinge block; 309, connecting plate; 310, hinge shaft; 311, handle; 312, slide groove; 313, roller; 400, splint. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0024] According to one embodiment of the utility model, Figure 1 and Figure 2As shown: This embodiment provides a chemical reaction centrifuge, including a centrifuge body 100, a fixed tube 200 is arranged above the centrifuge body 100, a fixed assembly 300 is arranged in the fixed tube 200, and the fixed assembly 300 includes a bearing 301 arranged at the center of the lower end of the fixed tube 200, the outer ring of the bearing 301 is fixed to the center of the lower end of the fixed tube 200, the inner ring of the bearing 301 is fixed with a screw 303, the surface of the screw 303 is threadedly connected with a movable column 304, and both ends of the two sides of the movable column 304 are provided with a first hinge block 305, the fixed tube 200 Through grooves 306 are provided on both sides of the lower inner wall, and connecting columns 307 are slidably provided in the through grooves 306. Second hinge blocks 308 are provided on both sides of the lower surface of the connecting columns 307. A connecting plate 309 is hingedly provided between the first hinge block 305 and the second hinge block 308. Both ends of the connecting plate 309 are provided with hinge shafts 310, and the hinge shafts 310 at both ends of the connecting plate 309 are respectively hinged to the first hinge block 305 and the second hinge block 308. A clamping plate 400 is provided on the upper end of the connecting column 307. After the staff puts the centrifuge tube into the fixed tube 200, the centrifuge tube is The core tube is located between the two clamping plates 400, and then the screw rod 303 is rotated. Since the second hinge block 308 is hinged with the hinge shaft 310 at one end of the connecting plate 309, the second hinge block 308 follows the connecting column 307 to slide along the length direction of the through groove 306, and the first hinge block 305 is hinged with the hinge shaft 310 at the other end of the connecting plate 309, so that the second hinge block 308 and the connecting column 307 limit and guide the hinge shaft 310 at one end of the connecting plate 309, so that the two connecting plates 309 limit the movable column 304, thereby rotating the screw rod 303. When the screw 303 moves, the movable column 304 is driven to move downward, and the movable column 304 drives the first hinge block 305 to move downward synchronously, thereby driving the other end of the connecting plate 309 to move downward, so that the two connecting columns 307 are close to each other. When the two connecting columns 307 are close to each other, the clamping plates 400 are driven to move close to each other, so that the clamping plates 400 can fix centrifuge tubes of different sizes, thereby improving the stability of the centrifugal process and the centrifugal effect, and the device has strong applicability; a handle 311 is provided at the lower end of the screw 303, and an anti-skid thread is provided on the surface of the handle 311 to prevent the hand from slipping;

[0025] According to another embodiment of the present invention, Figure 2 , Figure 3 and Figure 4As shown, both inner walls of the through groove 306 are provided with a slide groove 312, and sliders are provided on both sides of the connecting column 307, and the sliders are slidably arranged in the slide groove 312, and the slide groove 312 and the slider cooperate with each other to prevent the connecting column 307 from tilting, thereby improving the stability of the connecting column 307 during movement; rollers 313 are installed on the upper and lower inner walls of the slide groove 312, and the surface of the roller 313 is in contact with the surface of the slider, and the roller 313 makes the slider slide more smoothly, thereby making it easier for the staff to turn the handle 311; the cross section of the splint 400 is an arc shape, and the arc-shaped splint 400 can improve the limiting effect on the centrifuge tube and improve the clamping effect; a rubber pad is provided on the surface of the splint 400, and the rubber pad prevents the splint 400 from damaging the centrifuge tube; a pad 302 is provided at the center of the lower inner wall of the fixed tube 200, and the material of the pad 302 is a plastic foam material, and the pad 302 of the plastic foam material can support the bottom of the centrifuge tube to prevent damage to the centrifuge tube;

[0026] The use of this utility model:

[0027] After the staff puts the centrifuge tube into the fixed tube 200, the centrifuge tube is located between the two clamping plates 400, and then the handle 311 is turned, and the handle 311 drives the screw 303 to rotate. Since the second hinge block 308 is hinged with the hinge shaft 310 at one end of the connecting plate 309, the second hinge block 308 follows the connecting column 307 to slide along the length direction of the through groove 306, and the first hinge block 305 is hinged with the hinge shaft 310 at the other end of the connecting plate 309, so that the second hinge block 308 and the connecting column 307 are hinged to the hinge shaft 310 at one end of the connecting plate 309. The two connecting plates 309 limit the movable column 304 by limiting and guiding, so that the movable column 304 is driven to move downward when the screw rod 303 rotates, and the movable column 304 drives the first hinge block 305 to move downward synchronously, thereby driving the other end of the connecting plate 309 to move downward, so that the two connecting columns 307 are close to each other, and when the two connecting columns 307 are close to each other, they drive the splint 400 to be close to each other, so that the splint 400 can fix centrifuge tubes of different sizes, thereby improving the stability of the centrifugation process, improving the centrifugation effect, and the device has strong applicability.

[0028] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A chemical reaction centrifuge, comprising a centrifuge body (100), wherein a fixed tube (200) is arranged above the centrifuge body (100), characterized in that: A fixing assembly (300) is arranged in the fixing tube (200), and the fixing assembly (300) comprises a bearing (301) arranged at the center of the lower end of the fixing tube (200), the outer ring of the bearing (301) is fixed at the center of the lower end of the fixing tube (200), the inner ring of the bearing (301) is fixed with a screw rod (303), the surface of the screw rod (303) is threadedly connected with a movable column (304), both ends of the two side surfaces of the movable column (304) are provided with a first hinge block (305), and both sides of the lower inner wall of the fixing tube (200) are provided with a through groove (306) ), a connecting column (307) is slidably arranged in the through groove (306), and second hinge blocks (308) are arranged on both sides of the lower surface of the connecting column (307), and a connecting plate (309) is hingedly arranged between the first hinge block (305) and the second hinge block (308), and hinge shafts (310) are arranged at both ends of the connecting plate (309), and the hinge shafts (310) at both ends of the connecting plate (309) are respectively hinged to the first hinge block (305) and the second hinge block (308), and a clamping plate (400) is arranged at the upper end of the connecting column (307).

2. A chemical reaction centrifuge as claimed in claim 1, characterized in that: A handle (311) is provided at the lower end of the screw rod (303), and a non-slip thread is provided on the surface of the handle (311).

3. A chemical reaction centrifuge as claimed in claim 1, characterized in that: Both inner side walls of the through groove (306) are provided with sliding grooves (312), and sliding blocks are provided on both sides of the connecting column (307), and the sliding blocks are slidably arranged in the sliding grooves (312).

4. A chemical reaction centrifuge as claimed in claim 3, characterized in that: Rollers (313) are installed on the upper and lower inner walls of the slide groove (312), and the surface of the rollers (313) is in contact with the surface of the slider.

5. A chemical reaction centrifuge as claimed in claim 1, characterized in that: The cross section of the clamping plate (400) is in the shape of an arc.

6. A chemical reaction centrifuge as claimed in claim 1, characterized in that: A rubber pad is provided on the surface of the clamping plate (400).

7. A chemical reaction centrifuge as claimed in claim 1, characterized in that: A cushion block (302) is arranged at the center of the lower inner wall of the fixed tube (200), and the cushion block (302) is made of plastic foam material.

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