CN107670852B

CN107670852B - Medical blood centrifuge

Info

Publication number: CN107670852B
Application number: CN201710965267.8A
Authority: CN
Inventors: 陈琳; 陈�峰; 杨志俊; 邱文毅; 蔡丽萍
Original assignee: Yangzhou Entry-Exit Inspection And Quarantine Bureau Of People's Republic Of China
Current assignee: Yangzhou Entry-Exit Inspection And Quarantine Bureau Of People's Republic Of China
Priority date: 2017-10-17
Filing date: 2017-10-17
Publication date: 2021-06-04
Anticipated expiration: 2037-10-17
Also published as: CN107670852A

Abstract

The invention discloses a medical blood centrifuge, which can realize the simultaneous centrifugation of a plurality of test tubes, has high centrifugation efficiency, can improve the rotation stability of the centrifuge and prolong the service life of the centrifuge, has simple structure, only needs to place the test tubes in sleeves when in use, is very convenient, can take out and clean the sleeves of the test tubes to prevent test tube plasma from flying out to pollute the sleeves, has simple structure, is convenient to use, greatly prolongs the service life, and can improve the stability of fixation and further improves the running stability by arranging a sucker.

Description

Medical blood centrifuge

Technical Field

The invention relates to a medical blood centrifuge, and belongs to the technical field of medical auxiliary equipment.

Background

Among the present medicine, in detecting blood, need carry out centrifugal separation to blood, so that realize the analysis to blood, present blood centrifuge generally needs high-speed even hypervelocity rotation, when needs separate the centrifugation to a plurality of test tubes simultaneously, because the power effect, the pivot that leads to centrifuge very easily vibrates when rotating, skew even, time is one long, lead to the atress of pivot very easily unbalanced, accelerate the fatigue destruction of pivot, furthermore, when high-speed rotating, the test tube adopts ordinary test tube clamp to fix, fix on the one hand and get up more troublesome, on the other hand, lead to the test tube to vibrate very easily, appear cracked, influence blood centrifugation effect and efficiency.

The invention aims at the problems and provides a medical blood centrifuge so as to improve the blood centrifugation effect and prolong the service life of the centrifuge.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: a medical blood centrifuge comprises an upper shell, a lower seat, a supporting seat, a rotating shaft, a lower fixing disk and an upper fixing disk, and is characterized in that the lower seat is arranged at the bottom end inside the upper shell, the supporting seat is arranged on the upper end face of the lower seat, the middle part of the rotating shaft is vertically arranged on the supporting seat in a rotatable manner by adopting a bearing, the lower end of the rotating shaft is arranged on an auxiliary fixing seat by adopting a bearing, the auxiliary fixing seat is fixedly arranged on the bottom end face of the lower seat, a fixing stator is arranged on the inner wall of a through hole of the lower seat, a driving rotor is arranged on the rotating shaft, the driving rotor and the fixing stator are constructed into a direct drive motor, the lower fixing disk and the upper fixing disk which are parallel to each other are arranged on the rotating shaft, a blood test tube is arranged in a test tube fixing component, and the test, and a plurality of auxiliary rotating support assemblies are arranged between the bottom end surface of the lower fixed disc and the upper end surface of the supporting seat.

Further, as preferred, supplementary rotation support assembly includes auxiliary stay cover and auxiliary seat, auxiliary seat is ring shape seat structure, auxiliary seat is fixed on the supporting seat, the upper end of auxiliary seat is provided with the auxiliary stay cover, the cross section of auxiliary stay cover is the isosceles triangle structure, be provided with the support constant head tank on the bottom surface of lower fixed disk, the auxiliary stay ways is established support in the constant head tank, so that make when lower fixed disk hypervelocity rotates, it is right the fixed disk carries out guide orientation down.

Further, preferably, a radiator is arranged on the auxiliary fixing seat corresponding to the position of the direct drive motor.

Further, as preferred, the fixed subassembly of test tube includes sleeve pipe, lower fixed head, connecting seat, goes up the positioning disk and lower positioning disk, wherein, the bottom mounting of fixed head is provided with down the positioning disk down, the positioning disk is connected to set up down on the fixed disk, the bottom threaded connection of connecting seat is in the bottom of fixed head down, coaxial cover is equipped with in the connecting seat the sleeve pipe, an organic whole is provided with the positioning disk on the sleeve pipe, it fixes to go up the positioning disk on the fixed disk, the test tube sets up in the sleeve pipe, the upper end of connecting seat is provided with a plurality of bar grooves along its axial direction, the upper end diameter of connecting seat is less than the lower extreme diameter to the clamp of realization to last positioning disk, the sheathed tube top is provided with the upper cover that carries out axial positioning to the test tube.

Further, as preferred, be provided with the location shoulder on the inner wall in the cover pipe, be provided with the flexure strip on the location shoulder, the flexure strip is right the lower extreme of test tube leans on so that the location the test tube.

Further, as preferred, the elastic piece includes integrative lower fixed section, lower section of rolling over and the section of rolling over, wherein, lower fixed section stretches into the setting and is in the location shoulder of sheathed tube, the upper end of lower fixed section is provided with the section of rolling over under perpendicular to it, the upper end bending connection of the section of rolling over down has the section of rolling over, the tip of the section of rolling over upward the direction extension setting of the section of rolling over down.

Further, as preferred, the bottom of lower seat is provided with a plurality of stabilizer blades, the bottom of stabilizer blade all is provided with the sucking disc.

Further, preferably, a wear-resistant layer is provided on a surface of the auxiliary support sleeve contacting the auxiliary seat.

Further, as the optimization, still include the controller, the controller control directly drive the motor action.

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

the centrifugal tube centrifuge not only can realize the simultaneous centrifugation of a plurality of test tubes, has high centrifugation efficiency, but also can improve the rotation stability of the centrifuge and prolong the service life of the centrifuge.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a medical blood centrifuge according to the present invention;

FIG. 2 is a schematic cross-sectional view of a test tube holding assembly of a medical blood centrifuge according to the present invention;

FIG. 3 is a schematic axial view of a test tube fixing assembly of a medical blood centrifuge according to the present invention

FIG. 4 is a schematic diagram of the spring structure of the tube holder assembly of the medical blood centrifuge according to the present invention;

the test tube fixing device comprises an upper shell, a lower seat, a supporting seat, a rotating shaft, a supplementary fixing seat, a radiator, a supporting leg, a sucker, a driving rotor, a fixing stator, a lower fixing disk, a fixing component, a test tube, an upper cover, an auxiliary supporting sleeve, an auxiliary seat, a sleeve, an upper fixing head, a lower fixing head, a connecting seat, a lower positioning disk, a lower fixing section, a lower folding section and an upper folding section, wherein the supplementary fixing seat is 6, the radiator is 7, the supporting leg, 8, the.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: a medical blood centrifuge comprises an upper shell 1, a lower seat 2, a supporting seat 3, a rotating shaft 4, a lower fixed disk 11 and an upper fixed disk 12, and is characterized in that the lower seat 2 is arranged at the bottom end inside the upper shell 1, the supporting seat 3 is arranged on the upper end face of the lower seat 2, the middle part of the rotating shaft 4 is vertically arranged on the supporting seat 3 in a rotatable manner by adopting a bearing, the lower end of the rotating shaft 4 is arranged on an auxiliary fixed seat 5 by adopting a bearing, the auxiliary fixed seat 5 is fixedly arranged on the bottom end face of the lower seat 2, a fixed stator 10 is arranged on the inner wall of a through hole of the lower seat 2, a driving rotor 9 is arranged on the rotating shaft 4, the driving rotor 9 and the fixed stator 10 are constructed into a direct-drive motor, the lower fixed disk 11 and the upper fixed disk 12 which are parallel to each other are arranged on the rotating shaft, and a, test tube fixed subassembly 13 is fixed down on fixed disk and the upper fixed disk, the bottom face of fixed disk down with be provided with a plurality of supplementary rotation supporting component between the up end of supporting seat.

As shown in fig. 1, the auxiliary rotation support assembly includes an auxiliary support sleeve 15 and an auxiliary seat 16, the auxiliary seat 16 is a circular ring seat structure, the auxiliary seat 16 is fixed on the support seat 3, the upper end of the auxiliary seat 16 is provided with the auxiliary support sleeve 15, the cross section of the auxiliary support sleeve 15 is an isosceles triangle structure, a support positioning groove is provided on the bottom surface of the lower fixed disk 11 or the lower positioning disk 21, and the auxiliary support sleeve is sleeved in the support positioning groove, so that when the lower fixed disk rotates at a super high speed, the lower fixed disk is guided and positioned.

And a radiator 6 is arranged on the auxiliary fixing seat corresponding to the position of the direct drive motor.

In this embodiment, as shown in fig. 2-3, the test tube fixing assembly comprises a sleeve 17, a lower fixing head 18, a connecting seat 19, an upper positioning plate 20 and a lower positioning plate 21, wherein, the bottom end of the lower fixing head 18 is fixedly provided with a lower positioning disk 21, the lower positioning disk 21 is connected and arranged on the lower fixing disk, the bottom end of the connecting seat 19 is in threaded connection with the bottom end of the lower fixing head, the sleeve 17 is coaxially sleeved in the connecting seat 19, an upper positioning disk 20 is integrally arranged on the sleeve 17, the upper positioning disk 20 is fixed on the upper fixing disk, the test tube is arranged in the sleeve 17, the upper end of the connecting seat is provided with a plurality of strip-shaped grooves along the axial direction, the diameter of the upper end of the connecting seat is smaller than that of the lower end, so as to realize the clamp of going up the positioning disk, the top of sleeve pipe is provided with carries out the upper cover of axial positioning to the test tube.

Wherein, be provided with the location shoulder on the inner wall in the cover tube, the location is provided with the flexure strip on the shoulder, the flexure strip is right the lower extreme of test tube supports and leans on so that the location the test tube, the upper end of test tube can have the upper cover to support and lean on.

As shown in fig. 4, the elastic piece includes a lower fixing section 22, a lower folding section 23 and an upper folding section 24, which are integrally arranged, wherein the lower fixing section 22 extends into the positioning shoulder of the sleeve 17, the upper end of the lower fixing section 22 is provided with the lower folding section 23 perpendicular to the lower fixing section, the upper end of the lower folding section 23 is connected with the upper folding section 24 in a bending manner, and the end of the upper folding section 24 extends toward the direction of the lower folding section 23.

In addition, the bottom of lower seat is provided with a plurality of stabilizer blades 7, the bottom of stabilizer blade 7 all is provided with sucking disc 8. And a wear-resistant layer is arranged on the surface of the auxiliary support sleeve contacting with the auxiliary seat. The direct-drive motor controller is characterized by further comprising a controller, wherein the controller controls the direct-drive motor to act, and the controller can adopt a PLC (programmable logic controller), a single chip microcomputer and the like.

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

Claims

1. A medical blood centrifuge comprises an upper shell, a lower seat, a supporting seat, a rotating shaft, a lower fixing disk and an upper fixing disk, and is characterized in that the lower seat is arranged at the bottom end inside the upper shell, the supporting seat is arranged on the upper end face of the lower seat, the middle part of the rotating shaft is vertically arranged on the supporting seat in a rotatable manner by adopting a bearing, the lower end of the rotating shaft is arranged on an auxiliary fixing seat by adopting a bearing, the auxiliary fixing seat is fixedly arranged on the bottom end face of the lower seat, a fixing stator is arranged on the inner wall of a through hole of the lower seat, a driving rotor is arranged on the rotating shaft, the driving rotor and the fixing stator are constructed into a direct drive motor, the lower fixing disk and the upper fixing disk which are parallel to each other are arranged on the rotating shaft, a blood test tube is arranged in a test tube fixing component, and the test, a plurality of auxiliary rotating support assemblies are arranged between the bottom end surface of the lower fixed disc and the upper end surface of the supporting seat;

the auxiliary rotating support assembly comprises an auxiliary support sleeve and an auxiliary seat, the auxiliary seat is of a circular seat structure, the auxiliary seat is fixed on the support seat, the upper end of the auxiliary seat is provided with the auxiliary support sleeve, the cross section of the auxiliary support sleeve is of an isosceles triangle structure, a support positioning groove is formed in the bottom surface of the lower fixed disk, and the auxiliary support sleeve is sleeved in the support positioning groove so as to guide and position the lower fixed disk when the lower fixed disk rotates at an ultrahigh speed;

the test tube fixing assembly comprises a sleeve, a lower fixing head, a connecting seat, an upper positioning plate and a lower positioning plate, wherein the lower positioning plate is fixedly arranged at the bottom end of the lower fixing head, the lower positioning plate is connected and arranged on the lower fixing plate, the bottom end of the connecting seat is in threaded connection with the bottom end of the lower fixing head, the sleeve is coaxially sleeved in the connecting seat, the upper positioning plate is integrally arranged on the sleeve, the upper positioning plate is fixed on the upper fixing plate, the test tube is arranged in the sleeve, a plurality of strip-shaped grooves are formed in the upper end of the connecting seat along the axial direction of the connecting seat, the diameter of the upper end of the connecting seat is smaller than that of the lower end of the connecting seat so as to clamp the upper positioning plate, and an upper cover for axially positioning the test tube is arranged at;

a positioning shoulder is arranged on the inner wall in the sleeve, an elastic sheet is arranged on the positioning shoulder, and the elastic sheet abuts against the lower end of the test tube so as to position the test tube;

the elastic piece comprises a lower fixing section, a lower folding section and an upper folding section which are integrally arranged, wherein the lower fixing section extends into the positioning shoulder arranged on the sleeve, the upper end of the lower fixing section is provided with the lower folding section which is perpendicular to the lower fixing section, the upper end of the lower folding section is connected with the upper folding section in a bending mode, and the end part of the upper folding section extends towards the direction of the lower folding section;

the bottom end of the lower seat is provided with a plurality of support legs, and the bottom ends of the support legs are provided with suckers;

and a wear-resistant layer is arranged on the surface of the auxiliary support sleeve contacting with the auxiliary seat.

2. A medical blood centrifuge as set forth in claim 1, wherein: and a radiator is arranged on the auxiliary fixing seat corresponding to the position of the direct drive motor.