CN213315623U

CN213315623U - Desk-top centrifuge that cell preparation was used

Info

Publication number: CN213315623U
Application number: CN202022080077.8U
Authority: CN
Inventors: 余鹏程; 刘洋; 李雪野; 杜春发; 皇甫改奎
Original assignee: Yunnan Heze Southwest Biological Science And Technology Co ltd
Current assignee: Yunnan Heze Southwest Biological Science And Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-01
Anticipated expiration: 2030-09-21

Abstract

The utility model provides a desk-top centrifuge that cell preparation was used, which comprises a bod, the inboard of organism is equipped with the rolling disc, the top of rolling disc is equipped with elevating system, elevating system's top is equipped with the rack, elevating system includes two pneumatic cylinders, every the piston rod of pneumatic cylinder all is connected with lifter plate, every the lifter plate all installs the lifter side by side the symmetry, just the inboard of rack is equipped with the test-tube rack, the outside symmetry of test-tube rack is equipped with fixed subassembly, every fixed subassembly all includes the threaded rod, every all mesh on the outer wall of threaded rod and be connected with the screw cap, every equal fixed mounting has a removal section of thick bamboo, every on the outer wall of screw cap a removal section of thick bamboo all installs the fixed plate near the one end of test-tube rack. The utility model discloses an elevating system has realized the lift of rack, is convenient for get and puts the test tube, has realized the fixed of test-tube rack through fixed subassembly, and convenient to detach test-tube rack, and it is convenient to change.

Description

Desk-top centrifuge that cell preparation was used

Technical Field

The utility model relates to a technical field of cell preparation specifically is a desk-top centrifuge that cell preparation was used.

Background

Among the prior art, mostly use desk-top centrifuge to carry out blood layering and handle, can make cell and plasma separation to in drawing the cell in the blood, but test tube rack among the current desk-top centrifuge is fixed knot structure mostly, adopts rigid connection, like bolted connection, not only be not convenient for getting of test tube get put, when test tube rack damaged, inconvenient change test tube rack moreover.

According to patent document No. 201721854466.3, a novel cell centrifuge is provided, which comprises a housing, wherein a groove with an upward opening is provided in the housing, a cover plate is provided at the opening of the groove, a driving motor is provided at the bottom of the groove, the output end of the driving motor is connected with a rotating shaft, one end of the rotating shaft, which is far away from the driving motor, is fixedly connected with a rotating drum, a storage groove with an upward opening is provided in the rotating drum, a plurality of vertical rods are provided in the storage groove, reagent grooves with an upward opening are provided in the vertical rods, a protruding block is symmetrically provided on the side wall of the cover plate, a sliding cavity matched with the protruding block is provided on the inner wall of the groove, a first sliding groove is provided in the housing, a clamping rod is slidably connected in the first sliding groove, a clamping groove matched with the clamping rod is provided on the side wall of the protruding block, second sliding grooves are symmetrically provided on the inner, but the rotary drum of placing the test tube is fixed knot structure, is unfavorable for getting of test tube to put and the change of rotary drum.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a desk centrifuge for cell preparation for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a desk centrifuge for preparing cells comprises a machine body, a rotating disc is arranged on the inner side of the machine body, the top of the rotating disc is provided with a lifting mechanism, the top of the lifting mechanism is provided with a placing frame, the lifting mechanism comprises two pneumatic cylinders, the bottom end of each pneumatic cylinder penetrates through the rotating disc and extends to the outer side of the rotating disc, a piston rod of each pneumatic cylinder is connected with a lifting plate, lifting rods are symmetrically arranged on the lifting plates side by side, the top end of each lifting rod is fixedly connected with the bottom of a bottom plate of the placing frame, just the inboard of rack is equipped with the test-tube rack, the outside symmetry of test-tube rack is equipped with fixed subassembly, every fixed subassembly all includes the threaded rod, every all the meshing is connected with the screw cap on the outer wall of threaded rod screw portion, every equal fixed mounting has a removal section of thick bamboo on the outer wall of screw cap, every the fixed plate is all installed to the one end that a removal section of thick bamboo is close to the test-tube rack.

Further, the top center department of rack bottom plate is equipped with the constant head tank, the inboard of constant head tank is equipped with first location magnet, just the bottom center department of test-tube rack bottom plate installs the locating piece, locating piece and constant head tank plug-in connection.

Furthermore, a second positioning magnet is installed at the bottom end of the positioning block, and the second positioning magnet and the first positioning magnet attract each other.

Further, the top equipartition of placing a bounding wall has a plurality of draw-in grooves, just the connecting rod, every are installed to the corresponding draw-in groove in the outside on test-tube rack top the fixture block is all installed to the bottom of connecting rod, every the fixture block all is connected with the draw-in groove joint.

Further, the below fixed mounting of rolling disc has the baffle, the bottom center department of baffle installs driving motor perpendicularly, driving motor's output shaft has the dwang, the top of dwang is run through the baffle and is linked to each other with the rolling disc.

Furthermore, damper is installed to driving motor's outside symmetry, every damper all includes damping spring, every damping spring's upper and lower end all installs the mounting bracket, every the upper and lower end of mounting bracket respectively with the bottom of baffle and the interior bottom plate fixed connection of organism.

Furthermore, every the bounding wall that the one end of threaded rod all runs through the rack extends to its outside and installs the thumb wheel, every the one end that the thumb wheel was kept away from to the threaded rod all installs the stopper.

Furthermore, a plurality of test tube grooves are arranged in parallel at the top of the bottom plate of the test tube rack, and a buffer rubber mat is embedded in the inner side of each test tube groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model realizes the height adjustment of the rack through the pneumatic cylinder, the lifting plate and the lifting rod, is convenient for taking and placing test tubes, realizes the fixation of the test tube rack through the threaded rod, the threaded cap, the movable tube and the fixed plate, is convenient for disassembly and is convenient for replacing the test tube rack; through locating piece and constant head tank, realized the location of test-tube rack, through first location magnet, second location magnet, fixture block and draw-in groove, improved the stability of test-tube rack installation.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a sectional view of the internal structure of the machine body of the present invention;

FIG. 3 is an enlarged view of area A in FIG. 2;

FIG. 4 is an enlarged view of area B of FIG. 2;

fig. 5 is an enlarged view of region C in fig. 2.

In the figure: 1. a body; 11. a partition plate; 2. rotating the disc; 21. a drive motor; 22. rotating the rod; 3. a lifting mechanism; 31. a pneumatic cylinder; 32. a lifting plate; 33. a lifting rod; 4. placing a rack; 41. positioning a groove; 411. a first positioning magnet; 42. a card slot; 5. a fixing assembly; 51. a threaded rod; 52. a threaded cap; 53. moving the drum; 54. a fixing plate; 55. a limiting block; 56. a thumb wheel; 6. a test tube rack; 61. positioning blocks; 611. a second positioning magnet; 62. a test tube groove; 621. a cushion rubber pad; 63. a connecting rod; 631. a clamping block; 7. a shock absorbing assembly; 71. a damping spring; 72. and (7) mounting frames.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the embodiment, please refer to fig. 1, 2 and 3, a table centrifuge for cell preparation comprises a machine body 1, a machine cover is arranged at the top of the machine body 1, the machine cover can be movably mounted through a hinge shaft, which is a conventional technology and is not limited herein, a rotating disc 2 is arranged at the inner side of the machine body 1, a lifting mechanism 3 is arranged at the top of the rotating disc 2, a placing frame 4 is arranged at the top of the lifting mechanism 3, the lifting mechanism 3 comprises two pneumatic cylinders 31, the bottom end of each pneumatic cylinder 31 penetrates through the rotating disc 2 and extends to the outer side of the rotating disc 2, a piston rod of each pneumatic cylinder 31 is connected with a lifting plate 32, lifting rods 33 are symmetrically arranged on each lifting plate 32 side by side, the top end of each lifting rod 33 is fixedly connected with the bottom of the bottom plate of the placing frame 4, the pneumatic cylinders 31 are started, the lifting plates 32 are driven to lift, the lifting plate 32 drives the lifting rod 33 to lift, the lifting rod 33 drives the placing frame 4 to lift, the height adjustment of the placing frame 4 is realized, test tubes are convenient to take and place, the test tube rack 6 is arranged on the inner side of the placing frame 4, the fixing assemblies 5 are symmetrically arranged on the outer side of the test tube rack 6, each fixing assembly 5 comprises a threaded rod 51, a threaded cap 52 is meshed and connected with the outer wall of the threaded part of each threaded rod 51, a moving cylinder 53 is fixedly arranged on the outer wall of each threaded cap 52, a fixing plate 54 is arranged at one end, close to the test tube rack 6, of each moving cylinder 53, one end of each threaded rod 51 penetrates through the enclosing plate of the placing frame 4 and extends to the outer side of the enclosing plate to be provided with a shifting wheel 56, a ball bearing is arranged at the joint of the threaded rod 51 and the enclosing plate of the placing frame 4, the ball bearing, it is rotatory to drive threaded rod 51 through pivoted thumb wheel 56, makes screw cap 52 reciprocating motion on the horizontal direction through pivoted threaded rod 51, drives through screw cap 52 and moves a section of thick bamboo 53 and constantly keeps away from or be close to test-tube rack 6, drives fixed plate 54 through moving a section of thick bamboo 53 and constantly is close to or keeps away from test-tube rack 6, compresses tightly test-tube rack 6 through fixed plate 54 that constantly is close to test-tube rack 6, can realize the fixed of test-tube rack 6, every the one end that thumb wheel 56 was kept away from to threaded rod 51 all installs stopper 55, realizes screw cap 52 spacing through stopper 55.

In the embodiment, please refer to fig. 2, 4 and 5, a positioning slot 41 is disposed at the top center of the bottom plate of the rack 4, a first positioning magnet 411 is disposed inside the positioning slot 41, a positioning block 61 is mounted at the bottom center of the bottom plate of the test tube rack 6, the positioning block 61 is in plug-in connection with the positioning slot 41, positioning of the test tube rack 6 is realized by plug-in connection of the positioning block 61 and the positioning slot 41, a second positioning magnet 611 is mounted at the bottom end of the positioning block 61, the second positioning magnet 611 and the first positioning magnet 411 attract each other, positioning of the test tube rack 6 is facilitated by cooperation of the first positioning magnet 411 and the second positioning magnet 611, and stability of mounting of the test tube rack 6 is improved at the same time, a plurality of slots 42 are uniformly distributed at the top of the enclosing plate of the rack 4, and a connecting rod 63 is mounted at the outer side of the top, holding connecting rod 63 with the hand and upwards exerting oneself, can taking out test-tube rack 6, convenient operation, every fixture block 631 is all installed to the bottom of connecting rod 63, every fixture block 631 all is connected with draw-in groove 42 joint, is connected through fixture block 631 and draw-in groove 42's joint, improves the stability of the installation of test-tube rack 6.

In the embodiment, please refer to fig. 2 and 3, a partition 11 is fixedly installed below the rotary disk 2, a driving motor 21 is vertically installed at the center of the bottom of the partition 11, an output shaft of the driving motor 21 is connected with a rotary rod 22, the top end of the rotary rod 22 penetrates through the partition 11 and is connected with the rotary disk 2, a ball bearing is installed at the joint of the rotary rod 22 and the partition 11, the ball bearing can be replaced by other rotary components without limitation, the rotary rod 22 is driven to rotate by the operation of the driving motor 21, the rotary rod 22 drives the rotary disk 2 to rotate through the rotary rod 22, so as to drive the test tube rack 6 to rotate, the blood in the test tube is subjected to layered treatment, cells and blood plasma are separated, the cells in the blood are conveniently extracted, damping assemblies 7 are symmetrically installed at the outer side of the driving motor 21, each damping assembly 7 comprises a damping spring 71, every mounting bracket 72, every are all installed to damping shock spring 71's last lower extreme the upper and lower end of mounting bracket 72 respectively with the bottom of baffle 11 and organism 1's infrabasal plate fixed connection, realize the shock attenuation through damping shock spring 71, improve device's stability, the top of 6 bottom plates of test-tube rack is equipped with a plurality of test-tube slots 62 side by side, puts into test-tube slot 62, every with the test tube that contains blood the inboard of test-tube slot 62 all inlays and is equipped with buffering cushion 621, and buffering cushion 621 has the effect of protection test tube, can the damaged possibility of effectual reduction test tube.

The utility model discloses a concrete operation as follows:

firstly, test tubes containing blood are placed into a test tube groove 62, then a machine cover of a machine body 1 is opened, a pneumatic cylinder 31 is started, a lifting plate 32 is driven to rise through the pneumatic cylinder 31, a lifting rod 33 is driven to rise through the lifting plate 32, a placing frame 4 is driven to rise to a proper position through the lifting rod 33, a positioning block 61 is inserted into a positioning groove 41, the test tube rack 6 is positioned, a dial wheel 56 is dialed by hands, a threaded rod 51 is driven to rotate through the rotating dial wheel 56, a threaded cap 52 reciprocates in the horizontal direction through the rotating threaded rod 51, a moving cylinder 53 is driven to be close to the test tube rack 6 through the threaded cap 52, a fixing plate 54 is driven to be continuously close to the test tube rack 6 through the moving cylinder 53, the test tube rack 6 is tightly pressed through the fixing plate 54 continuously close to the test tube rack 6, the test tube rack 6 is fixed, the placing frame 4 is driven to, drive dwang 22 rotates, drives the rolling disc 2 through dwang 22 and rotates, and then drives test-tube rack 6 and rotates, carries out the layering to the blood in the test-tube and handles, makes cell and plasma separation, and centrifugal work accomplishes the back, opens the cover, drives rack 4 through elevating system 3 and risees, can take out the test tube, and when will changing test-tube rack 6, reverse rotation threaded rod 51 can take off test-tube rack 6.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a desk-top centrifuge that cell preparation used, includes organism (1), its characterized in that, the inboard of organism (1) is equipped with rolling disc (2), the top of rolling disc (2) is equipped with elevating system (3), the top of elevating system (3) is equipped with rack (4), elevating system (3) include two pneumatic cylinders (31), every the bottom of pneumatic cylinder (31) all runs through rolling disc (2) and extends to its outside, every the piston rod of pneumatic cylinder (31) all is connected with lifter plate (32), every lifter plate (32) all install lifter (33) side by side symmetry, every the top of lifter (33) all with the bottom fixed connection of rack (4) bottom plate, just the inboard of rack (4) is equipped with test-tube rack (6), the outside symmetry of test-tube rack (6) is equipped with fixed subassembly (5), every fixed subassembly (5) all include threaded rod (51), every all mesh on the outer wall of threaded rod (51) screw portion and be connected with screw cap (52), every equal fixed mounting has a removal section of thick bamboo (53), every on the outer wall of screw cap (52) the one end that removal section of thick bamboo (53) are close to test-tube rack (6) all installs fixed plate (54).

2. The desktop centrifuge of claim 1, wherein a positioning groove (41) is formed in the center of the top of the bottom plate of the placing rack (4), a first positioning magnet (411) is arranged inside the positioning groove (41), a positioning block (61) is installed in the center of the bottom plate of the test tube rack (6), and the positioning block (61) is connected with the positioning groove (41) in an inserting manner.

3. The desktop centrifuge of claim 2, wherein a second positioning magnet (611) is installed at the bottom end of the positioning block (61), and the second positioning magnet (611) and the first positioning magnet (411) are attracted to each other.

4. The desk type centrifuge of claim 1, wherein a plurality of clamping grooves (42) are uniformly distributed on the top of the enclosing plate of the placing rack (4), the connecting rods (63) are installed on the outer side of the top end of the test tube rack (6) corresponding to the clamping grooves (42), a clamping block (631) is installed at the bottom end of each connecting rod (63), and each clamping block (631) is connected with the clamping groove (42) in a clamping manner.

5. The desktop centrifuge for cell preparation according to claim 1, wherein a partition plate (11) is fixedly installed below the rotating disk (2), a driving motor (21) is vertically installed at the center of the bottom of the partition plate (11), an output shaft of the driving motor (21) is connected with a rotating rod (22), and the top end of the rotating rod (22) penetrates through the partition plate (11) and is connected with the rotating disk (2).

6. The desk centrifuge of claim 5, wherein the driving motor (21) is symmetrically provided with shock absorbing components (7) at the outer side, each shock absorbing component (7) comprises a damping shock absorbing spring (71), each damping shock absorbing spring (71) is provided with a mounting bracket (72) at the upper end and the lower end, and the upper end and the lower end of each mounting bracket (72) are fixedly connected with the bottom of the partition plate (11) and the inner bottom plate of the machine body (1) respectively.

7. The bench centrifuge of claim 1, wherein one end of each threaded rod (51) extends through the surrounding plate of the placing rack (4) to the outside of which a thumb wheel (56) is installed, and one end of each threaded rod (51) far away from the thumb wheel (56) is provided with a limiting block (55).

8. The desktop centrifuge for cell preparation according to claim 1, wherein a plurality of test tube slots (62) are arranged side by side on the top of the bottom plate of the test tube rack (6), and a buffer rubber pad (621) is embedded inside each test tube slot (62).