CN218250866U - Centrifugal machine for table type trace experiment - Google Patents

Abstract

The utility model discloses a desk-top centrifuge for micro-experiment, including upper cover and fuselage, fuselage upper end rear side is provided with the upper cover, the inside lid groove that upwards runs through in fuselage upper end, lid groove lower extreme center department inside upwards runs through has the revolving chamber, the inside linking room that upwards runs through in revolving chamber lower extreme center department, linking room lower extreme center department is provided with vertical ascending spliced pole, through set up quick assembly disassembly device in the inside centrifugal disc upper end, makes the centrifugal disc can pass through the card of fixture block in the draw-in groove and go into and block out, can be quick carry out the change between the different models for the change of centrifugal disc is faster, and is fixed more firm, through set up shock attenuation fixing device in fuselage lower end four corners department for the centrifugal disc can be fixed through the sucking disc, and rethread universal head and damping spring carry out the shock attenuation, makes the fixed more firm, and the inside experiment is more stable.

Description

Centrifugal machine for table type micro-experiment

Technical Field

The utility model belongs to the technical field of the centrifuge is relevant for the trace experiments, concretely relates to desk-top centrifuge for trace experiments.

Background

A centrifugal machine for micro-experiments, also called mini-centrifugal machine and micro-centrifugal machine, is an instrument for separating each component in liquid and solid particles or a mixture of liquid and liquid by utilizing centrifugal force, is particularly suitable for micro-filtration, quickly throwing off a reagent from a test tube wall or a test tube cover, and slowly centrifuging a test tube or a calandria, and has the characteristics of attractive appearance, stable operation, adjustable rotating speed, flexible use and the like.

The existing centrifugal machine technology for trace experiments has the following problems: 1. the centrifugal disc on the centrifugal machine is inconvenient to replace and not firm and stable enough, so that the replacement efficiency of the centrifugal disc is lower, and the centrifugal disc has the risk of throwing off, thereby reducing the replacement efficiency of the centrifugal disc and further reducing the experimental efficiency; 2. centrifuge is when carrying out centrifugal experiment, because the high-speed rotation of centrifugal dish for the centrifuge can produce great vibrations and noise, not only can influence the inside centrifugal experiment of centrifuge, still can lead to the experimental environment relatively poor, thereby reduces the stability of experiment, reduces the travelling comfort of experimental environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a desk-top centrifuge for experiments of trace to the change and the fixed unstable and great problem of vibrations of fuselage that carry on centrifugal disc that the centrifuge for experiments of trace that proposes can not be quick among the above-mentioned background of the solution can not be quick.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a desk-top centrifuge for trace experiments, includes upper cover and fuselage, fuselage upper end rear side is provided with the upper cover, the inside upwards runs through there is the lid groove fuselage upper end, the inside rotatory room that upwards runs through of lid groove lower extreme center department, the inside connecting chamber that upwards runs through of rotatory room lower extreme center department, connecting chamber lower extreme center department is provided with vertical ascending spliced pole, the spliced pole upper end has cup jointed centrifugal pan, the inside quick assembly disassembly device that runs through from top to bottom of centrifugal pan upper end, fuselage lower extreme center department all is provided with the shock attenuation fixing device, quick assembly disassembly device includes fixture block, spout, distraction spring, draw-in groove, spacing groove and stopper, the inside draw-in groove that upwards runs through of spliced pole upper end, the inside spout that runs through from top to bottom of centrifugal pan upper end, both sides all are provided with the fixture block around the spout inside, two fixture block inner are provided with the distraction spring, two fixture block left and right sides both ends upside all is provided with the stopper, the inside all inwards has the spacing groove in both ends inner wall about the spout, shock attenuation fixing device includes shock attenuation post, universal head, connecting block, two the inside universal shock attenuation spring and lower extreme that the shock attenuation chamber is provided with the shock attenuation head portion, the lower extreme that the shock attenuation spring passes through is provided with the connecting block, the shock attenuation spring lower extreme is provided with the connecting block, the shock attenuation chamber lower extreme is provided with the shock attenuation head portion downwards.

Preferably, the upper cover can rotate around the fuselage upper end, the upper cover can be gone into smoothly to block in and block out the lid groove, lid groove lower extreme inner wall can laminate with upper cover front end outer wall completely.

Preferably, the outer side of the upper end of the centrifugal disc is provided with a plurality of fixing holes, the upper end of the centrifugal disc is arranged in an arc surface manner, the lower end of the centrifugal disc is arranged in a cylindrical manner, and the centrifugal disc can rotate in the rotating chamber and the connecting chamber through a connecting column.

Preferably, two the fixture block is "L" shape setting and two fixture blocks are the symmetry setting, the draw-in groove is "protruding" shape setting, the fixture block can slide around spout and draw-in groove are inside, the fixture block can reciprocate in the draw-in groove is inside.

Preferably, central line department is provided with the dog about both ends inner wall about the spout, the spring that struts can strut two fixture blocks to the outside, the stopper can slide around the spacing inslot portion.

Preferably, connecting block and sucking disc are connected as an organic whole and are adopted soft plastics to make and form, the sucking disc is the setting of loudspeaker form and can adsorb and pull up on the desktop, the universal head can be in the inside rotation in connecting block upper end.

Preferably, the universal head has two thirds position to be located inside the connecting block, the universal head can slide from top to bottom inside the damper chamber, universal head upper end is "protruding" shape cylinder setting and the lower extreme is the bulb setting, the damper chamber is "protruding" shape cylinder setting.

Compared with the prior art, the utility model provides a desk-top centrifuge for micro experiment possesses following beneficial effect:

1. the utility model discloses at the inside quick assembly disassembly device that sets up in centrifugal pan upper end, through pressing down and loosening the fixture block, make the fixture block card go into and block out the draw-in groove, make centrifugal pan pull down fast and install, make centrifugal pan can be more convenient, swift change between the different models that carries on, and fixed more firm, and more stable, thereby improve the change efficiency of centrifugal pan, and then improve the efficiency of experiment, originally change centrifugal pan on the centrifuge very inconvenient, and fixed firm inadequately, it is stable, make the change efficiency of centrifugal pan lower, and have the risk of throwing away, thereby the change efficiency of centrifugal pan has been reduced, and then the experimental efficiency has been reduced, through the inside quick assembly disassembly device that sets up in centrifugal pan upper end, make the centrifugal pan can pass through the card income and the card play of fixture block in the draw-in groove, can be quick change between the different models, make the change speed of centrifugal pan faster, it is fixed more firm, thereby improve the change efficiency of centrifugal pan, improve experimental efficiency.

2. The utility model discloses set up shock attenuation fixing device in fuselage lower extreme four corners department, let the fuselage can adsorb on the test bench through the sucking disc and go on fixedly carrying out centrifugation experimentation, rethread universal head and damping spring shock attenuation, make the centrifuge can more firmly fix on the test bench, and can effectual reduction centrifuge's vibrations, make the experiment more stable, improve the stability of experiment, simultaneously can reduce centrifuge's noise, improve the travelling comfort of experimental environment, originally centrifuge when carrying out the centrifugation experiment, because the high-speed rotation of centrifugal disc, make the centrifuge can produce great vibrations and noise, not only can influence the inside centrifugal experiment of centrifuge, still can lead to experimental environment relatively poor, thereby reduce the stability of experiment, reduce the travelling comfort of experimental environment, through setting up shock attenuation fixing device in fuselage lower end four corners department, make the centrifuge can fix through the sucking disc, rethread universal head and damping spring shock attenuation, it is more firm to make centrifuge can fix, the inside experiment is more stable, thereby improve the stability of experiment, improve the travelling comfort of experimental environment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of a three-dimensional structure of a desktop micro-scale experimental centrifuge;

FIG. 2 is a schematic view of a split three-dimensional structure of a desktop centrifuge for micro-experiments;

FIG. 3 is a schematic perspective view of the quick release device according to the present invention;

FIG. 4 is a schematic view of a three-dimensional cross-sectional structure of the quick assembling and disassembling device of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the damping fixing device provided by the present invention;

fig. 6 is a schematic view of a three-dimensional section structure of the damping fixing device provided by the present invention;

in the figure: 1. a centrifugal pan; 2. an upper cover; 3. a quick assembly disassembly device; 4. a cover groove; 5. a body; 6. a shock-absorbing fixing device; 7. a connection chamber; 8. a rotation chamber; 9. connecting columns; 10. a clamping block; 11. a chute; 12. expanding the spring; 13. a card slot; 14. a limiting groove; 15. a limiting block; 16. a shock-absorbing post; 17. a universal head; 18. connecting blocks; 19. a suction cup; 20. a damping spring; 21. a damping chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a desk-top centrifuge for micro-experiments comprises an upper cover 2 and a machine body 5, wherein the rear side of the upper end of the machine body 5 is provided with the upper cover 2, the inner part of the upper end of the machine body 5 upwards penetrates through a cover groove 4, the upper cover 2 can rotate back and forth at the upper end of the machine body 5, the upper cover 2 can be smoothly clamped into and out of the cover groove 4, the inner wall of the lower end of the cover groove 4 can be completely attached to the outer wall of the front end of the upper cover 2, the opening and the covering are more convenient, the covering is tighter, the sealing effect is better after the covering is carried out, a rotating chamber 8 upwards penetrates through the inner part of the center of the lower end of the cover groove 4, a connecting chamber 7 upwards penetrates through the inner part of the center of the lower end of the rotating chamber 8, the center of the lower end of the connecting chamber 7 is provided with a vertical upwards connecting column 9, the upper end of the connecting column 9 is sleeved with a centrifugal disc 1, the outer side of the upper end of the centrifugal disc 1 is provided with a plurality of fixing holes, the upper end of the centrifugal disc 1 is arranged in a cambered surface and the cylindrical shape, the centrifugal disc 1 can rotate inside the rotating chamber 8 and the connecting chamber 7 through the connecting column 9, the centrifugal tube can be fixed more conveniently, the centrifugal effect is better, the centrifugation is more stable, the rapid disassembly and assembly device 3 penetrates through the inside of the upper end of the centrifugal disc 1 from top to bottom, the damping fixing devices 6 are arranged at four corners of the lower end of the machine body 5, each rapid disassembly and assembly device 3 comprises a fixture block 10, a chute 11, a spreading spring 12, a clamping groove 13, a limiting groove 14 and a limiting block 15, the clamping groove 13 penetrates through the inside of the upper end of the connecting column 9 upwards, the chute 11 penetrates through the inside of the upper end of the centrifugal disc 1 from top to bottom, the front side and the rear side inside the chute 11 are respectively provided with a fixture block 10, the two fixture blocks 10 are arranged in an L shape and symmetrically, the clamping groove 13 is arranged in a convex shape, the fixture blocks 10 can slide back and forth inside the chute 11 and the clamping groove 13, the fixture blocks 10 can move up and down inside the clamping groove 13, the clamping and can be clamped and can be fixed and separated more conveniently, and the fixation and fixation can be performed more rapidly, more convenient, two fixture block 10 the inner is provided with distraction spring 12, both ends upside all is provided with stopper 15 about two fixture blocks 10, spout 11 is controlled inside both ends inner wall and all inwards is run through and is had spacing groove 14, spout 11 is controlled about both ends inner wall central line department from top to bottom and is provided with the dog, distraction spring 12 can strut two fixture blocks 10 to the outside, stopper 15 can slide around spacing groove 14 is inside, make the card that fixture block 10 can be more smooth go into and block out, make the more firm of fixture block 10 card, prevent that fixture block 10 from breaking away from and dropping.

Example two

Referring to fig. 1, fig. 2, fig. 5, and fig. 6, the present invention provides a technical solution: the utility model provides a desk-top centrifuge for trace experiments, shock attenuation fixing device 6 includes shock attenuation post 16, universal head 17, connecting block 18, sucking disc 19, damping spring 20 and surge chamber 21, 5 lower extreme left front corner departments are provided with shock attenuation post 16, 16 lower extreme inside has run through downwards shock attenuation chamber 21 of shock attenuation post, the inside damping spring 20 that is provided with of surge chamber 21, damping spring 20 lower extreme is provided with universal head 17, universal head 17 lower extreme has cup jointed connecting block 18, connecting block 18 lower extreme is provided with sucking disc 19, connecting block 18 and sucking disc 19 are connected as an organic whole and are formed by adopting soft plastics to make, sucking disc 19 is loudspeaker form setting and can adsorb and pull up on the desktop, universal head 17 can be at the inside rotation of connecting block 18 upper end, it is more stable to connect, the adsorption effect is better, more convenient fixed and removal, make sucking disc 19 more conveniently adjust the adsorption direction, universal head 17 has inside connecting block 18, universal head 17 can slide from top to bottom in the surge chamber 21 inside, universal head 17 is "protruding" cylinder setting and the lower extreme is the setting, damping chamber 21 is "protruding" the setting more conveniently, it is better to connect, the firm damping cylinder part that prevents to stabilize each other.

The utility model discloses a theory of operation and use flow: the utility model discloses install well the back, whether the installation of inspection part targets in place, pour the sample that will carry out the centrifugation experiment into centrifuging tube inside, select suitable centrifugal disc 1 model according to the size of centrifuging tube again, and change centrifugal disc 1 through quick assembly disassembly device 3, press the fixture block 10 upper end of the former centrifugal disc 1 that has installed, make fixture block 10 card go out card slot 13, pull down former centrifugal disc 1 fast, press down the needs again and make centrifugal disc 1's fixture block 10 upper end, and put into card slot 13 inside with fixture block 10, then loosen fixture block 10, make mutual chucking between fixture block 10 and the card slot 13, make centrifugal disc 1 can be more convenient, swift change between the different models of going on, and fixed more firm, thereby improve centrifugal disc 1's change efficiency, and then improve the efficiency of experiment, change No. centrifugal disc 1 after put into centrifugal disc 1 inside centrifugal tube according to the symmetry mode, cover upper cover 2, select centrifugal mode to begin to carry out the centrifugation, through the fixing of shock attenuation fixing device 6 firmly fixing on the test bench, the experiment table goes up the fixed stability of going on the shock attenuation, and reduce the stability of the effective shock attenuation of the shock attenuation after-absorbing and the centrifuge and reducing the stability of the experiment, thereby the stability of the centrifuge can reduce the effective shock attenuation rethread shock attenuation machine of centrifuge after-absorbing and reduce.

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 (7)

1. The utility model provides a desk-top centrifuge for micro-experiment, includes upper cover (2) and fuselage (5), its characterized in that: the rear side of the upper end of the machine body (5) is provided with an upper cover (2), a cover groove (4) upwards penetrates through the inner part of the upper end of the machine body (5), a rotating chamber (8) upwards penetrates through the inner part of the center of the lower end of the cover groove (4), a connecting chamber (7) upwards penetrates through the inner part of the center of the lower end of the rotating chamber (8), a vertically upward connecting column (9) is arranged at the center of the lower end of the connecting chamber (7), a centrifugal disc (1) is sleeved at the upper end of the connecting column (9), a quick dismounting device (3) vertically penetrates through the inner part of the upper end of the centrifugal disc (1), damping fixing devices (6) are arranged at four corners of the lower end of the machine body (5), the quick dismounting device (3) comprises a clamping block (10), a sliding groove (11), a spreading spring (12), a clamping groove (13), a limiting groove (14) and a limiting block (15), the inner parts of the clamping groove (13) upwards penetrate through the upper end of the centrifugal disc (9), the clamping groove (11) and two inner sides of the clamping block (10) are respectively arranged at the front side and the rear side and the inner side of the sliding groove (10) and the inner side, and the inner side of the left side and the inner side of the limiting groove (15) of the clamping block (10), shock attenuation fixing device (6) are including shock attenuation post (16), universal head (17), connecting block (18), sucking disc (19), damping spring (20) and shock attenuation room (21), fuselage (5) lower extreme left front corner department is provided with shock attenuation post (16), shock attenuation post (16) lower extreme is inside to have run through down shock attenuation room (21), shock attenuation room (21) inside is provided with damping spring (20), damping spring (20) lower extreme is provided with universal head (17), connecting block (18) have been cup jointed to universal head (17) lower extreme, connecting block (18) lower extreme is provided with sucking disc (19).

2. The centrifuge of claim 1, wherein: the upper cover (2) can rotate around the upper end of the machine body (5), the upper cover (2) can be smoothly clamped into and out of the cover groove (4), and the inner wall of the lower end of the cover groove (4) can be completely attached to the outer wall of the front end of the upper cover (2).

3. The centrifuge of claim 1, wherein: the centrifugal plate is characterized in that a plurality of fixing holes are formed in the outer side of the upper end of the centrifugal plate (1), the upper end of the centrifugal plate (1) is provided with an arc surface, the lower end of the centrifugal plate is cylindrical, and the centrifugal plate (1) can rotate in the rotating chamber (8) and the connecting chamber (7) through a connecting column (9).

4. The centrifuge of claim 1, wherein: two fixture block (10) are "L" shape setting and two fixture block (10) are the symmetry setting, draw-in groove (13) are "protruding" shape setting, fixture block (10) can slide around spout (11) and draw-in groove (13) inside, fixture block (10) can reciprocate in draw-in groove (13) inside.

5. The centrifuge of claim 1, wherein: the upper middle line and the lower middle line of the inner walls of the left end and the right end of the sliding groove (11) are provided with stop blocks, the two stop blocks (10) can be outwards propped open by the expanding spring (12), and the limiting block (15) can slide back and forth in the limiting groove (14).

6. The centrifuge of claim 1, wherein: connecting block (18) and sucking disc (19) are connected as an organic whole and are adopted the soft plastics to make and form, sucking disc (19) are the setting of loudspeaker form and can adsorb on the desktop and pull up, universal head (17) can be at connecting block (18) upper end inside rotation.

7. The centrifuge of claim 1, wherein: universal head (17) have two-thirds position to be located inside connecting block (18), universal head (17) can slide from top to bottom in shock attenuation room (21) is inside, universal head (17) upper end is "protruding" shape cylinder setting and the lower extreme is the bulb setting, shock attenuation room (21) are "protruding" shape cylinder setting.

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