CN110064529B

CN110064529B - Automatic medical blood centrifuge of partial shipment formula

Info

Publication number: CN110064529B
Application number: CN201910346618.6A
Authority: CN
Inventors: 邵明秀; 张继美
Original assignee: Individual
Current assignee: Shao Mingxiu
Priority date: 2019-04-27
Filing date: 2019-04-27
Publication date: 2021-01-22
Anticipated expiration: 2039-04-27
Also published as: CN110064529A

Abstract

The invention provides an automatic split charging type medical blood centrifuge which comprises a centrifugal device and a liquid charging part, wherein the centrifugal device and the liquid charging part are detachably arranged, the liquid charging part comprises a test tube assembly for containing blood and a split charging mechanism for leading out the blood layer by layer after centrifugation, the test tube assembly is detachably inserted in the middle position of the split charging mechanism, the test tube assembly and the split charging mechanism are set to be in an isolation state and a conduction state which can be mutually switched, the initial state is the isolation state, an automatic control device for switching the isolation state between the test tube assembly and the split charging mechanism to the conduction state is arranged in the centrifugal device, the centrifugal device comprises a rotating mechanism which is vertically arranged, a clamping mechanism for mounting the liquid charging part is arranged in the eccentric position of the top of the rotating mechanism, and a damping mechanism for buffering the rotating mechanism is arranged at the bottom of the rotating mechanism.

Description

Automatic medical blood centrifuge of partial shipment formula

Technical Field

The invention relates to the technology of medical instruments, in particular to an automatic split charging type medical blood centrifuge.

Background

In medicine, clinical diagnosis of doctors is often assisted by virtue of laboratory, diagnosis is carried out on test results of pathological change bodies or blood, biochemical test is most common through the blood of patients, centrifugal layering treatment is carried out on the blood of the patients in the biochemical test process, the blood of the patients is firstly led into a test tube, the test tube is installed on a centrifugal machine for centrifugal treatment, the blood after centrifugation is divided into four layers and sequentially comprises a plasma layer, a platelet layer, a leucocyte layer and a red blood cell layer from top to bottom, the plasma layer/the platelet layer/the leucocyte layer/the red blood cell layer are sucked out through a suction pipe, test corresponding to biochemical projects is carried out, at present, the layered blood cannot be separately packaged and treated by a common blood centrifugal machine, all layers of liquid are directly sucked out through the suction pipe for testing, and all layers of liquid are easily mixed in the sucking-out process, the accuracy of the assay will be influenced to a certain extent, and therefore, the inventor designs the automatic split charging type medical blood centrifuge which is ingenious in structure, simple in principle and convenient and fast to use.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the automatic split charging type medical blood centrifuge which is ingenious in structure, simple in principle and convenient and fast to use.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

An automatic split charging type medical blood centrifuge comprises a centrifugal device and a liquid charging part, wherein the centrifugal device and the liquid charging part are detachably arranged, the liquid charging part comprises a test tube assembly for containing blood and a split charging mechanism for leading out the blood layer by layer after centrifugation, the test tube assembly is detachably inserted in the middle position of the split charging mechanism, the test tube assembly and the split charging mechanism are set to be in an isolation state and a conduction state which can be mutually switched, the initial state is the isolation state, and an automatic control device for switching the isolation state to the conduction state between the test tube assembly and the split charging mechanism is arranged in the centrifugal device;

the centrifugal device comprises a rotating mechanism which is vertically arranged, a clamping mechanism for mounting a liquid loading part is arranged at the eccentric position of the top of the rotating mechanism, and a damping mechanism for buffering the rotating mechanism is arranged at the bottom of the rotating mechanism;

the rotating mechanism comprises a base which is horizontally arranged in an annular shape, an annular external boss I which is coaxially arranged is fixedly sleeved on the outer circular surface of the base in a fixing mode, the external boss I is flush with the top of the base, a supporting frame is coaxially arranged on the base and comprises an annular bottom frame which is coaxially and fixedly connected with the base, a top frame which is arranged above the bottom frame and is coaxially arranged with the bottom frame, and a supporting column which is arranged between the bottom frame and the top frame and is used for supporting the top frame, a top cover which is matched with the top frame is coaxially arranged on the upper end surface of the top frame, a circular loading port which is used for installing and inserting a liquid loading part is formed in the top cover, and the loading ports;

the base up end is provided with horizontal mounting panel one along its radial, mounting panel one top is provided with rather than fixed connection's mounting panel two, it is provided with the rotating spindle to rotate between mounting panel one and the top cap, rotating spindle and two normal running joints of mounting panel cooperate and rotating spindle and base coaxial arrangement, the fixed cover in top of rotating spindle is equipped with the rotatory piece of rectangle, the length direction of rotatory piece is on a parallel with the radial of base, the tip position of rotatory piece along its length direction has seted up the installing port and the installing port runs through from top to bottom, clamping mechanism rotates and sets up in the installing port, the lower terminal surface of mounting panel one is provided with the rotating electrical machines, the output of rotating electrical machines vertically upwards extends to between mounting panel one and mounting panel two, be provided with the belt drive assembly one that is used for connecting between them between rotating electrical machines and the rotating spindle, belt drive assembly one includes that, The first driven belt wheel is coaxially and fixedly sleeved on the rotating main shaft, and the first belt is arranged between the first driving belt wheel and the first driven belt wheel and used for connecting the first driving belt wheel and the first driven belt wheel.

As a further optimization or improvement of the present solution.

The clamping mechanism comprises a square bearing block which is rotatably arranged in an installation port, the axial direction of the rotating shaft is parallel to the width direction of the rotating block, a circular clamping port which penetrates through the bearing block up and down is formed in the bearing block, the axial direction of the clamping port is parallel to the axial direction of the rotating main shaft, the clamping port corresponds to the loading port in an initial state, the liquid loading component is arranged into a cylindrical structure matched with the clamping port, and the gravity center of the liquid loading component is positioned below the rotating shaft of the bearing block;

the damping mechanism comprises an annular inflation ring coaxially sleeved on the outer circular surface of the base, an annular baffle is coaxially and movably arranged outside the inflation ring, an annular bottom plate used for supporting the inflation ring is coaxially arranged on the lower end surface of the baffle, an annular external boss II is coaxially and fixedly sleeved on the outer circular surface of the baffle, the external boss II is arranged at a distance from the external boss I, movably arranged balls are embedded in the lower end surface of the external boss I, the balls are provided with a plurality of balls and are arranged in an array mode along the circumferential direction of the external boss I, the balls are abutted to the upper end surface of the external boss II, a conical shell with openings at two ends is coaxially arranged outside the baffle, the opening formed by the conical surface of the shell is gradually reduced from bottom to top, and the upper end opening of the shell is fixedly connected with the lower end surface of the external;

and a control panel is arranged on the outer circular surface of the shell, and signal connection is established between the control panel and the rotating motor.

As a further optimization or improvement of the present solution.

A protective cover covering the outer part of the rotating mechanism is movably arranged above the shell, the protective cover is arranged into a cylinder structure with a downward opening and is coaxially arranged with the base, a circular opening corresponding to the loading port is formed in the upper end face of the protective cover, and a peephole is formed in the outer circular face of the protective cover;

the up end of safety cover is provided with the shutoff subassembly, and the shutoff subassembly includes that coaxial fixed mounting is protruding in the cylindrical installation of safety cover up end, and the movable sleeve is equipped with and is used for carrying out the shutoff board of shutoff to uncovered on the installation arch, and the shutoff board constitutes the sliding guide cooperation with the installation arch along the axial of safety cover, be provided with the knob in the installation arch and be the normal running fit between knob and the installation arch, the outside cover of knob is equipped with pressure spring, and pressure spring one end is contradicted with the knob, and the other end is contradicted with the shutoff board and pressure spring's elasticity is all the time by the directional shutoff board of knob, the lower terminal surface of shutoff board be provided with uncovered assorted circular boss, up end be provided with carry and draw the arch and carry protruding and boss looks adaptation.

As a further optimization or improvement of the present solution.

The test tube assembly comprises an outer tube and an inner tube which are combined with each other, the outer tube is of a tube body structure with openings arranged upwards, the inner tube is of a tube body structure with openings arranged at two ends, the inner tube is embedded in the outer tube and forms sealed sliding connection and matching with the outer tube, an external step III is coaxially arranged on the outer circular surface of the outer tube, the external step III is close to the opening of the outer tube, a first discharge port, a second discharge port, a third discharge port and a fourth discharge port are formed in the outer circular surface of the outer tube, the first discharge port, the second discharge port, the third discharge port and the fourth discharge port are spirally arranged from bottom to top, the first discharge port is used for discharging a red blood cell layer and corresponds to the bottom of the red cell layer, the second discharge port is used for discharging a cell-coated layer and corresponds to the bottom of a white cell layer, and the third discharge port is used for discharging a platelet layer and, The discharge port four is for discharging the plasma layer and corresponds to the bottom of the plasma layer.

As a further optimization or improvement of the present solution.

The split charging mechanism comprises an outer cylinder body which is matched with the clamping opening and has two open ends, and an inner cylinder body which is matched with the outer cylinder body and has two open ends, the inner cylinder body and the outer test tube form sealed sliding connection fit along the axial direction of the outer cylinder body, the top of the outer cylinder body and the inner cylinder body are fixedly connected, a guide assembly is arranged between the outer cylinder body and the clamping opening, the guide assembly comprises a guide groove which is arranged on the inner wall of the clamping opening and is parallel to the axial direction of the outer cylinder body, and guide blocks which are arranged on the outer circular surface of the outer cylinder body and are parallel to the axial direction of the outer cylinder body, the guide grooves are symmetrically arranged along the axial direction of the clamping opening, the guide blocks are matched with the guide groove and form sliding guide fit along the axial direction parallel to the clamping opening, a first limit lug is arranged in the guide groove, a first limit lug is close to the lower end opening of, the limiting step and the limiting lug I are matched with each other to form a limiting assembly I for limiting the outer cylinder body;

the top end of the outer cylinder body is coaxially and rotatably provided with an annular rotating plate, the upper end face of the rotating plate is provided with a pressing ring fixedly connected with the outer cylinder body, the pressing ring is rotatably connected and matched with the rotating plate, a damping layer is arranged between the pressing ring and the rotating plate, a second limiting assembly is arranged between the rotating plate and the third external step, the second limiting assembly comprises a second limiting groove formed in the outer circular surface of the third external step and a second limiting lug arranged on the inner circular surface of the rotating plate and matched with the second limiting groove, and the second limiting assembly is used for limiting the outer pipe;

the top end of the outer barrel body extends to the lower part of the clamping opening, the bottom end of the outer barrel body is coaxially provided with an engagement barrel body and fixedly connected with the engagement barrel body, the bottom end of the engagement barrel body is provided with a bottom cover which is matched with the engagement barrel body in a clamping manner, the bottom cover is a barrel structure with one end open, the bottom end of the bottom cover is coaxially provided with a fixing rod which extends to the opening of the bottom cover, a supporting plate is coaxially sleeved on the fixing rod, test tube barrels are arranged on the supporting plate, four test tube barrels are arranged in an array mode along the circumferential direction of the supporting plate, a first liquid separating test tube, a second liquid separating test tube, a third liquid separating test tube and a fourth liquid separating test tube are respectively arranged in the four test tube barrels in a sitting mode, the first liquid separating test tube;

the outer circular surface of the inner cylinder body is connected with a first guide pipe communicated with the inside of the inner cylinder body, a second guide pipe communicated with the inside of the inner cylinder body, a third guide pipe communicated with the inside of the inner cylinder body and a fourth guide pipe communicated with the inside of the inner cylinder body, the input end of the first guide pipe is flush with the first discharge port, the distance between the input end and the first discharge port in the circumferential direction of the inner cylinder body is A, the output end extends to the opening of the first liquid separating test tube, the output end of the second guide pipe is flush with the second discharge port, the distance between the output end and the third discharge port in the circumferential direction of the inner cylinder body is B, the output end extends to the opening of the third liquid separating test tube, the output end of the fourth guide pipe is flush with the fourth discharge port, the distance between the output end and the fourth discharge port in the circumferential direction of the inner cylinder body is D, and the output, a, B, C and D, wherein in the initial state, the first guide pipe and the first discharge port, the second guide pipe and the second discharge port, the third guide pipe and the third discharge port, and the fourth guide pipe and the fourth discharge port are in staggered state;

the outer circular surface of the rotating plate is provided with two lugs which are symmetrically arranged along the axial direction of the rotating plate, and the two limiting lugs are positioned in the middle of the connecting line of the two lugs along the circumferential direction of the rotating plate.

As a further optimization or improvement of the present solution.

The automatic control device comprises a trigger mechanism for driving the lug to rotate around the axis of the outer barrel and a pushing mechanism for driving the trigger mechanism to be switched from an initial state to a trigger state, wherein the trigger mechanism is arranged between the bearing block and the rotating block, and the pushing mechanism is arranged between the rotating block and the mounting plate;

the trigger mechanism is positioned in the mounting port, the two trigger mechanisms correspond to the lugs one by one, the trigger mechanism comprises mounting grooves formed in the side faces of the bearing blocks, the mounting grooves penetrate through the upper end faces of the bearing blocks, trigger slide rails arranged in parallel to the rotating blocks are formed in the bottoms of the mounting grooves, the two trigger slide rails are arranged up and down, trigger slide blocks matched with the trigger slide rails are arranged in the trigger slide rails, the trigger slide blocks and the trigger slide blocks form sliding guide fit along the length direction parallel to the rotating blocks, the trigger slide blocks extend upwards to the upper end faces of the bearing blocks, clamping grooves matched with the lugs are formed in the ends of the trigger slide rails, and the lugs are clamped in the clamping grooves;

the lifting guide bar is characterized in that a vertically arranged trigger guide bar is arranged in the mounting groove, a lifting slide block is sleeved on the trigger guide bar, the lifting slide block is matched with the trigger guide bar and forms sliding guide fit along the vertical direction, the lifting slide block and the trigger slide block are arranged oppositely, a guide assembly is arranged between the lifting slide block and the trigger slide block and comprises a guide bulge arranged on the lifting slide block and a guide chute arranged on the trigger slide block, the distance between the lower end surfaces of the guide chute and the support block is gradually increased along the sliding direction of the trigger slide block, the guide bulge is matched with the guide chute and forms sliding guide fit along the guide direction of the guide bulge, when the lifting slide block slides downwards along the trigger guide bar, the guide bulge radially extrudes the guide chute to force the trigger slide block to slide along the trigger slide rail, a first reset spring is sleeved, The other end of the lifting slide block is abutted against the lifting slide block, and the elastic force of the first return spring always pushes the lifting slide block to slide upwards along the trigger guide rod;

a cover plate fixedly connected with the side surface of the bearing block is arranged at an opening of the mounting groove, an avoiding opening corresponding to the trigger guide rod is formed in the cover plate, a rotating shaft parallel to the width direction of the rotating block is arranged on one end surface of the lifting slide block close to the avoiding opening, and the rotating shaft extends out of the avoiding opening and is in rotating connection and matching with the rotating block;

the guide block is provided with a pin hole, the pin hole is flush with the lower end face of the bearing block, and a pin rod detachably connected and matched with the pin hole is arranged in the pin hole.

As a further optimization or improvement of the present solution.

The rotary main shaft is arranged in a hollow mode, a strip-shaped notch is formed in the outer circular surface of the rotary main shaft, the strip-shaped notches are arranged and are symmetrically arranged along the axial direction of the rotary main shaft, the abutting and pushing mechanism comprises a lifting cylinder coaxially arranged inside the rotary main shaft, the lifting cylinder and the rotary main shaft form sliding guide fit along the vertical direction, an abutting and pushing tray matched with the bottom cover is arranged below the bearing block, a connecting rod used for connecting the abutting and pushing tray and the lifting cylinder is arranged between the abutting and pushing tray and the lifting cylinder, the connecting rod is matched with the strip-shaped notch, the connecting rod and the lifting cylinder form sliding guide fit along the vertical direction, a second reset spring is arranged in the rotary main shaft, one end of the second reset spring is abutted to the top of the rotary main shaft, the other end of the second reset spring is;

the lower end surface of the mounting plate is provided with a mounting frame, a fixed sleeve is arranged in the mounting frame, the fixed sleeve is coaxially inserted into the rotating main shaft and is in rotating connection and matching with the rotating main shaft, a lifting sleeve is coaxially and movably arranged in the fixed sleeve, the top end of the lifting sleeve is abutted against the lifting sleeve, the lifting sleeve and the fixed sleeve form sliding guide matching along the axial direction of the lifting sleeve, the lifting sleeve is internally and coaxially provided with a screw rod, the screw rod is in threaded connection with the lifting sleeve, a third mounting plate is fixedly arranged at the bottom of the mounting frame, a third pushing motor is arranged on the third mounting plate, a second belt transmission assembly is arranged between the pushing motor and the driving end of the screw rod, the second belt transmission assembly comprises a second driving belt wheel which is coaxially fixedly sleeved on the output end of the pushing motor, a second driven belt wheel which is coaxially fixedly sleeved on the driving end of the screw rod and a second belt which is arranged between the second driving belt wheel and the second driven belt wheel and is used for connecting the second driving belt wheel and.

Compared with the prior art, the test tube packaging device has the advantages that the structure is ingenious, the principle is simple, the use is convenient, the test tube containing the blood of a patient is placed on the centrifugal device for centrifugal layering, the layered plasma layer, the platelet layer, the leucocyte layer and the erythrocyte layer are discharged one by one from top to bottom through the packaging mechanism, the automatic packaging of the layered blood is realized, the testing personnel can test the packaged liquid conveniently, and the accuracy of biochemical detection is improved.

Drawings

Fig. 1 is a schematic structural diagram of the installation state of the present invention.

Fig. 2 is a schematic diagram of the internal structure in the installed state.

FIG. 3 is a schematic structural diagram of the high-speed centrifugation state of the present invention.

Fig. 4 is a schematic view of the internal structure in a high-speed centrifugation state.

FIG. 5 is a schematic diagram of the automatic liquid separation state according to the present invention.

FIG. 6 is a schematic diagram of the liquid-extracting state according to the present invention.

FIG. 7 is a schematic diagram of the structure in the centrifugal state.

Fig. 8 is a connection diagram of the rotating mechanism and the clamping mechanism.

Fig. 9 is an exploded view of the rotary mechanism.

Fig. 10 is a partial structural schematic view of the rotating mechanism.

Fig. 11 is a partial structural schematic view of the rotating mechanism.

Fig. 12 is a matching view of the rotating mechanism and the clamping mechanism.

Fig. 13 is a schematic structural view of the clamping mechanism.

Fig. 14 is a view showing the rotation mechanism and the damper mechanism.

Fig. 15 is an exploded view of the shock absorbing mechanism.

Fig. 16 is a view showing a damper mechanism and a rotation mechanism.

Fig. 17 is a partial structural view of the damper mechanism.

Fig. 18 is a view showing the combination of the shield and the damper mechanism.

Fig. 19 is a schematic structural view of the shield.

Fig. 20 is an exploded view of the shield.

FIG. 21 is a view showing the liquid containing member and the chuck.

Fig. 22 is a schematic structural view of a liquid containing member.

FIG. 23 is a schematic view of the structure of the cuvette assembly.

FIG. 24 is a schematic view of the structure of an outer tube.

FIG. 25 is a drawing showing the outer layer tube and the inner layer tube.

Fig. 26 is a partial structural schematic view of the dispensing mechanism.

Fig. 27 is a partial structural schematic view of the dispensing mechanism.

Fig. 28 is a partial structural schematic view of the dispensing mechanism.

Fig. 29 is a partial structural schematic view of the dispensing mechanism.

Fig. 30 is a partial structural schematic view of the dispensing mechanism.

Fig. 31 is a schematic structural view of an automatic control device.

Fig. 32 is a schematic structural view of the automatic control device.

Fig. 33 is a partial structural view of the automatic control device.

Fig. 34 is a schematic structural view of the trigger mechanism.

Fig. 35 is a schematic view of the internal structure of the trigger mechanism.

Fig. 36 is a partial structural view of the trigger mechanism.

Fig. 37 is a schematic structural view of the pushing mechanism.

Fig. 38 is a partial structural view of the pushing mechanism.

Fig. 39 is a partial structural view of the pushing mechanism.

Fig. 40 is a partial structural schematic view of the pushing mechanism.

Fig. 41 is a partial sectional view of the pushing mechanism.

Labeled as:

100. a centrifugal device; 110. a rotation mechanism; 111a, a base; 111b, an external boss I; 111c, a ball; 112a, a chassis; 112b, a support column; 112c, a top frame; 113a, a top cover; 113b, a loading port; 114a and a first mounting plate; 114b and a second mounting plate; 115. rotating the main shaft; 116. rotating the block; 117. an installation port; 118. a rotating electric machine; 119a and a driving pulley I; 119b and a driven pulley I; 119c, a first belt; 120. a clamping mechanism; 121. a bearing block; 122. installing a clamping opening; 123. a guide groove; 124. a first limiting bump; 130. a damping mechanism; 131. an inflatable ring; 132. a baffle plate; 133. a base plate; 134. a second boss is arranged outside; 135. a housing; 136. a control panel; 140. a protective cover; 141. opening the mouth; 142. mounting a boss; 143. a plugging plate; 144. a knob; 145. a compression spring; 146. lifting the protrusion; 147. a peephole;

200. a liquid containing member; 210. a cuvette assembly; 211. an outer tube; 212. a third external step; 213. an inner layer tube; 214. a first discharge port; 215. a second discharge port; 216. a third discharge port; 217. a discharge port IV; 220. a subpackaging mechanism; 221. an outer cylinder; 222. an inner cylinder; 223a, a guide block; 223b, a limit step; 224a, rotating plate; 224b and a second limit bump; 224c and a second limit groove; 224d, lugs; 225. a compression ring; 226. connecting the cylinders; 227. a bottom cover; 231. fixing the rod; 232. a support plate; 233. testing the tube barrel; 234a, a first liquid separating test tube; 234b, a second liquid separating test tube; 234c, a third liquid separating test tube; 234d, a liquid separating test tube IV; 235. a first conduit; 236. a second conduit; 237. a third conduit; 238. a fourth conduit;

300. an automatic control device; 310. a trigger mechanism; 311. mounting grooves; 312. triggering the sliding block; 313. a card slot; 314. triggering the guide rod; 315. a lifting slide block; 316. a guide projection; 317. a guide chute; 318. a first return spring; 319. a cover plate; 319a, a rotating shaft; 320. a pushing mechanism; 321. a lifting cylinder; 322. pushing the tray; 323. a mounting frame; 324. fixing the sleeve; 325. a lifting sleeve; 326. a screw rod; 327. a pushing motor; 328a and a driving pulley II; 328b, a driven pulley II; 328c and a second belt.

Detailed Description

The utility model provides an automatic medical blood centrifuge of partial shipment formula, its is including dismantling centrifugal device 100 and the dress liquid part 200 of arranging, dress liquid part 200 is including the test tube subassembly 210 that is used for splendid attire blood, the branch packing mechanism 220 that is used for exporting blood centrifugation back layer upon layer, test tube subassembly 210 can be dismantled and insert the middle part position of locating branch packing mechanism 220, but test tube subassembly 210 sets up the isolated state that can switch over each other with branch packing mechanism 220 and the initial state is isolated state with the on-state, centrifugal device 100 in be provided with and be used for switching over to the automatic control device 300 of on-state by isolated state between test tube subassembly 210 and the branch packing mechanism 220.

During the use process, a user firstly introduces blood of a patient into the test tube assembly 210 quantitatively for storage, installs and inserts the test tube assembly 210 filled with the blood into the subpackaging mechanism 220, at the moment, the test tube assembly 210 and the subpackaging mechanism 220 are in an isolated state, then integrally installs the liquid containing part 200 consisting of the test tube assembly 210 and the subpackaging mechanism 220 on the centrifugal device 100, starts the centrifugal device 100 to drive the liquid containing part 200 to rotate until the blood in the test tube assembly 210 is centrifugally layered and sequentially comprises a plasma layer, a platelet layer, a leukocyte layer and a red blood cell layer from top to bottom, finally, the automatic control device 300 switches the isolated state between the test tube assembly 210 and the subpackaging mechanism 220 to a conducting state, the test tube assembly 210 sequentially discharges the layered blood layers from top to bottom into the subpackaging mechanism 220 for independent containing, and the user independently contains the dynamically contained plasma layer, And taking out the platelet layer, the leucocyte layer and the erythrocyte layer for later use.

The centrifugal device 100 comprises a vertically arranged rotating mechanism 110, a clamping mechanism 120 for mounting the liquid containing part 200 is arranged at an eccentric position at the top of the rotating mechanism 110, a damping mechanism 130 for buffering the liquid containing part is arranged at the bottom of the rotating mechanism 110, the liquid containing part 200 is clamped and fixed through the clamping mechanism 120, and the centrifugal treatment of blood is realized through the rotation of the rotating mechanism 110.

The rotating mechanism 110 comprises a base 111a which is horizontally arranged in an annular shape, a first annular external boss 111b which is coaxially arranged is fixedly sleeved on the outer circular surface of the base 111a, the first external boss 111b is flush with the top of the base 111a, a support frame is coaxially arranged on the base 111a, the support frame comprises an annular bottom frame 112a which is coaxially and fixedly connected with the base 111a, a top frame 112b which is arranged above the bottom frame 112a and coaxially arranged with the bottom frame 112a, and a support column 112b which is arranged between the bottom frame 112a and the top frame 112b and used for supporting the top frame 112b, a top cover 113a which is matched with the top frame 112c is coaxially arranged on the upper end surface of the top frame 112c, a circular loading port 113b which is used for installing and inserting the liquid loading part 200 is arranged on the top cover 113a, and the loading ports 113b are.

Specifically, a first horizontal mounting plate 114a is arranged on the upper end face of the base 111a along the radial direction of the base, a second mounting plate 114b fixedly connected with the first mounting plate 114a is arranged above the first mounting plate 114a, a rotating main shaft 115 is rotatably arranged between the first mounting plate 114a and the top cover 113a, the rotating main shaft 115 is rotatably connected and matched with the second mounting plate 114b, the rotating main shaft 115 and the base 111a are coaxially arranged, a rectangular rotating block 116 is fixedly sleeved at the top end of the rotating main shaft 115, the length direction of the rotating block 116 is parallel to the radial direction of the base 111a, a mounting opening 117 is formed in the end position of the rotating block 116 along the length direction of the rotating block, the mounting opening 117 penetrates vertically, and the.

More specifically, in order to drive the rotating main shaft 115 to rotate, the lower end surface of the first mounting plate 114a is provided with a rotating motor 118, the output end of the rotating motor 118 vertically extends upwards to a position between the first mounting plate 114a and the second mounting plate 114b, a first belt transmission assembly for connecting the first mounting plate 114a and the second mounting plate 114b is arranged between the rotating motor 118 and the rotating main shaft 115, and the first belt transmission assembly comprises a first driving pulley 119a coaxially and fixedly sleeved on the output end of the rotating motor 118, a first driven pulley 119b coaxially and fixedly sleeved on the rotating main shaft 115, and a first belt 119c arranged between the first driving pulley 119a and the first driven pulley 119b and used for connecting the first driving pulley 119 a.

The clamping mechanism 120 comprises a square bearing block 121 rotatably arranged in the mounting opening 117, the axial direction of the rotating shaft is parallel to the width direction of the rotating block 116, a circular clamping opening 122 which penetrates through the bearing block 121 from top to bottom is formed in the bearing block 121, the axial direction of the clamping opening 122 is parallel to the axial direction of the rotating main shaft 115, the clamping opening 122 corresponds to the clamping opening 113b in an initial state, the liquid containing part 200 is arranged to be of a cylindrical structure matched with the clamping opening 122, and the center of gravity of the liquid containing part 220 is located below the rotating shaft of the bearing block 121.

The specific expression of the rotating mechanism 110 and the clamping mechanism 120 in the working process is that the liquid containing part 200 is mounted on the clamping mechanism 120, the rotating motor 118 is started, the rotating motor 118 drives the first driving pulley 119a to rotate, the first belt 119c transmits the power of the first driving pulley 119a to the first driven pulley 119b, the first driven pulley 119b drives the rotating main shaft 115 to rotate, the rotating main shaft 115 drives the rotating block 116 to synchronously rotate, the rotating block 116 drives the clamping mechanism 120 and the liquid containing part 200 to carry out centrifugal motion, when the rotating speed of the rotating main shaft 115 is gradually increased, the liquid containing part 200 and the bearing block 121 are horizontally deviated around the rotating shaft, and the blood in the liquid containing part 200 is centrifugally layered.

The rotating mechanism 110 generates certain vibration in the rotating process and the vibration affects the stability of the rotating mechanism 110, for this purpose, the damping mechanism 130 includes an annular inflatable ring 131 coaxially sleeved on the outer circular surface of the base 111a, an annular baffle 132 is coaxially and movably arranged outside the inflatable ring 131, an annular bottom plate 133 for supporting the inflatable ring 131 is coaxially arranged on the lower end surface of the baffle 132, an annular external boss two 134 is coaxially and fixedly sleeved on the outer circular surface of the baffle 132, the external boss two 134 is arranged at an interval with the external boss one 111b, movably arranged balls 111c are embedded on the lower end surface of the external boss one 111b, the balls 111c are arranged in an array along the circumferential direction of the external boss one 111b, the balls 111c are abutted against the upper end surface of the external boss two 134, a conical outer shell 135 with openings at two ends is coaxially arranged outside the baffle 132, the opening formed by the conical surface of the outer shell 135 is gradually reduced from bottom to top, and the upper end opening of the outer shell 135 is fixedly connected with the lower end surface of the external boss II 134.

Specifically, in order to facilitate the control of the rotating electrical machine 118, a control panel 136 is disposed on an outer circumferential surface of the housing 135, and a signal connection is established between the control panel 136 and the rotating electrical machine 118.

The user can control the rotating electrical machine 118 through the control panel 136, the rotating speed and the operation time of the rotating electrical machine 118 can be set on the control panel 136, the rotating electrical machine 110 will generate a certain vibration during the operation process, and the air-filled ring 131 will absorb and absorb the vibration, thereby preventing the rotating electrical machine 110 from transmitting the vibration to the housing 135.

When blood is centrifugally treated, the centrifugal rotation speed is usually 3500r/min-4000r/min, a liquid containing component 200 with larger rotation potential energy is dangerous, in order to ensure the safety of the centrifugal process, a protective cover 140 covering the outside of the rotating mechanism 110 is movably arranged above the shell 135, the protective cover 140 is arranged in a cylinder structure with a downward opening and is coaxial with the base 111a, in order to facilitate the installation of the liquid containing component 200 in the clamping opening 122, a circular opening 141 corresponding to the installation opening 113b is formed in the upper end face of the protective cover 140, and in order to facilitate the observation in the centrifugal process, a peephole 147 is formed in the outer circumferential face of the protective cover 140.

Specifically, the opening 141 needs to be sealed in the centrifugal process, for this reason, the upper end surface of the protection cover 140 is provided with a plugging assembly, the plugging assembly includes a cylindrical mounting protrusion 142 coaxially and fixedly mounted on the upper end surface of the protection cover 140, a plugging plate 143 for plugging the opening 141 is movably sleeved on the mounting protrusion 142, the plugging plate 143 and the mounting protrusion 142 form a sliding guiding fit along the axial direction of the protection cover 140, the mounting protrusion 142 is provided with a knob 144, the knob 144 and the mounting protrusion 142 are in a rotating connection fit, a compression spring 145 is sleeved outside the knob 144, one end of the compression spring 145 abuts against the knob 144, the other end of the compression spring abuts against the plugging plate 143, the elastic force of the compression spring 145 always points to the plugging plate 143 from the knob 144, the lower end surface of the plugging plate 143 is provided with a circular boss matched with the opening 141, the upper end surface of the plugging plate is provided with a lifting protrusion 146, and the lifting protrusion,

the concrete expression of the blocking assembly in the working process is that when the liquid containing part 200 needs to be installed on the clamping opening 122, the user lifts the lifting protrusion 146 upwards and makes the boss withdraw from the opening 141, the blocking plate 143 slides upwards along the installation protrusion 142 and the pressing spring 145 gradually compresses and increases the elastic potential energy, the blocking plate 143 rotates around the installation protrusion 142 and is dislocated with the opening 141, the blocking plate 143 releases the blocking of the opening 141, and at this time, the user installs the liquid containing part 200 in the clamping opening 122 through the opening 141; after the installation is finished, the plugging plate 143 is rotated and recovered to plug the opening 141, and the significance of the scheme is that the structure is ingenious, the principle is simple, and the operation safety of the rotating mechanism 110 is improved.

The test tube assembly 210 comprises an outer tube 211 and an inner tube 213 which are combined with each other, the outer tube 211 is of a tube structure with an upward opening, the inner tube 213 is of a tube structure with two ends open, the inner tube 213 is embedded in the outer tube 211 and forms a sealed sliding connection fit, an external step three 212 is coaxially arranged on the outer circular surface of the outer tube 211, and the external step three 212 is close to the opening of the outer tube 211, in order to facilitate discharging the centrifuged blood layer by layer, a discharge port one 214, a discharge port two 215, a discharge port three 216 and a discharge port four 217 are arranged on the outer circular surface of the outer tube 211, the discharge port one 214, the discharge port two 215, the discharge port three 216 and the discharge port four 217 are spirally arranged from bottom to top, and because the test tube assembly 210 contains a certain amount of blood, the positions of each layer after centrifugation of the blood are fixed, and the discharge port one 214 is used for discharging the erythrocyte layer and corresponds to the bottom of the erythrocyte layer, Drain two 215 is used to drain the cell-coated layer and corresponds to the bottom of the buffy coat, drain three 216 is used to drain the platelet layer and corresponds to the bottom of the platelet layer, and drain four 217 is used to drain the plasma layer and corresponds to the bottom of the plasma layer.

The test tube assembly 210 is embodied in the working process that the inner tube 213 and the outer tube 211 are assembled into a whole, the inner tube 213 seals the first discharge port 214, the second discharge port 215, the third discharge port 216 and the fourth discharge port 217, then a certain amount of blood of a patient is introduced into the test tube assembly 210, then the test tube assembly 210 is inserted into the subpackaging mechanism 220, the first discharge port 214, the second discharge port 215, the third discharge port 216 and the fourth discharge port 217 are sealed by the subpackaging mechanism 220 from the outside, at the moment, a user takes out the inner tube 211, the assembled outer tube 211 and the subpackaging mechanism 220 are assembled, the blood contained in the outer tube 211 is centrifuged, and after centrifugation, the automatic control device 300 drives the subpackaging mechanism 220 to be sequentially communicated with the fourth discharge port 217, the third discharge port 216, the second discharge port 215 and the fourth discharge port 214, and a blood plasma layer, The platelet layer, the leukocyte layer and the erythrocyte layer sequentially flow into the subpackaging mechanism 220 to be independently contained, and the centrifugal layered automatic subpackaging of the blood is realized.

The split charging mechanism 220 comprises an outer cylinder 221 matched with the clamping opening 122 and provided with two open ends, and an inner cylinder 222 matched with the outer tube 211 and provided with two open ends, the inner cylinder 222 and the outer tube 211 form a sealed sliding connection fit along the axial direction, the top of the outer cylinder 221 and the top of the inner cylinder 222 are fixedly connected, in order to facilitate the split charging mechanism 220 to be installed in the clamping opening 122, a guide assembly is arranged between the outer cylinder 221 and the clamping opening 122, the guide assembly comprises a guide groove 123 which is arranged on the inner wall of the clamping opening 122 and is parallel to the axial direction of the clamping opening, and a guide block 223a which is arranged on the outer circumferential surface of the outer cylinder 221 and is parallel to the axial direction of the outer cylinder, the guide grooves 123 are symmetrically arranged along the axial direction of the clamping opening 122, the guide block 223a is matched with the guide groove 123 and forms a sliding guide fit along the axial direction parallel to the clamping opening 122, and is used, a first limiting bump 124 is arranged in the guide groove 123, the first limiting bump 124 is close to the lower end opening of the clamping opening 122, a limiting step 223b matched with the first limiting bump 124 is arranged at the middle position of the guide block 223a along the axial direction parallel to the outer cylinder 221, and the limiting step 223b and the first limiting bump 124 are matched with each other to form a first limiting assembly for limiting the outer cylinder 221.

Specifically, in order to facilitate the outer layer tube 211 to be smoothly connected with the dispensing mechanism 220 in the liquid discharging process, the test tube assembly 210 needs to be limited when being inserted into the inner cylinder 222, for this reason, the top end of the outer cylinder 221 is coaxially and rotatably provided with an annular rotating plate 224a, the upper end face of the rotating plate 224a is provided with a pressing ring 225 fixedly connected with the outer cylinder 221, the pressing ring 225 is rotatably connected and matched with the rotating plate 224a, a damping layer is arranged between the pressing ring 225 and the rotating plate 224a, a second limiting assembly is arranged between the rotating plate 224a and the third external step 212, the second limiting assembly comprises a second limiting groove 224c arranged on the outer circular face of the third external step 212, and a second limiting lug 224b arranged on the inner circular face of the rotating plate 224a and matched with the second limiting groove 224c, and the second limiting assembly is used.

Specifically, in order to discharge blood after outer tube 211 centrifugation layering layer by layer, the top of outer tube 221 extends to the below of clamping mouth 122, the bottom of outer tube 221 is coaxial to be provided with and links up tube 226 and both fixed connection, the bottom that links up tube 226 is provided with rather than constituting snap-on connection complex bottom 227 and bottom 227 is one end open-ended tube structure, the bottom of bottom 227 is coaxial to be provided with the dead lever 231 that extends to its opening part, coaxial cover is equipped with layer board 232 on the dead lever 231, be provided with test tube barrel 233 on the layer board 232, test tube barrel 233 is provided with four and arranges along the circumferencial direction array that layer board 232 is located, sit respectively in four test tube barrels 233 and be provided with branch liquid test tube one 234a, divide liquid test tube two 234b, divide liquid test tube three 234c and divide liquid test tube four 234d, liquid test tube one 234a, divide liquid test tube two 234b, test tube three 234c and divide liquid test tube four 234d activity to pass and link up tube 226 and at the interlayer between the bodies 222.

More specifically, a first conduit 235 communicated with the inside of the inner cylinder 222, a second conduit 236 communicated with the inside of the inner cylinder, a third conduit 237 communicated with the inside of the inner cylinder, and a fourth conduit 238 communicated with the inside of the inner cylinder 222 are connected and arranged on the outer circumferential surface of the inner cylinder 222, an input end of the first conduit 235 is flush with the first discharge port 214, a distance a is arranged between the first conduit 235 and the first discharge port in the circumferential direction of the inner cylinder 222, an output end of the first conduit 235 extends to an opening of the first liquid-separating test tube 234a, an output end of the second conduit 236 is flush with the second discharge port 215, a distance B is arranged between the second conduit 236 and the second discharge port in the circumferential direction of the inner cylinder 222, an output end of the third conduit 237 is flush with the third discharge port 216, a distance C is arranged between the two in the circumferential direction of the inner cylinder 222, an output end of the fourth conduit 238 is flush with the fourth discharge port 217, a distance D is arranged between the two, The output end extends to the opening of the liquid separating test tube four 234D, A > B > C > D, in the initial state, the first guide tube 235 and the first discharge port 214, the second guide tube 236 and the second discharge port 215, the third guide tube 237 and the third discharge port 216, and the fourth guide tube 238 and the fourth discharge port 217 are in a staggered state, and in the liquid discharging process, the outer layer tube 211 is rotated to enable the fourth guide tube 238 and the fourth discharge port 217, the third guide tube 237 and the third discharge port 216, the second guide tube 236 and the second discharge port 215, and the first guide tube 235 and the first discharge port 214 to be sequentially communicated.

In order to facilitate the rotary liquid discharge of the outer tube 211, the outer circumferential surface of the rotating plate 224a is provided with two lugs 224d, the two lugs 224d are symmetrically arranged along the axial direction of the rotating plate 224a, the two limit lugs 224b are located at the middle position of the connecting line of the two lugs 224d along the circumferential direction of the rotating plate 224a, and the automatic control device 300 drives the lugs 224d to rotate around the axial direction of the outer cylinder 221, so as to realize the rotary liquid discharge of the outer tube 211.

The dispensing mechanism 220 is embodied in the process of dispensing liquid, after the blood completes centrifugal layering in the outer tube 211, the automatic control device 300 drives the lug 224d to perform intermittent deflection around the axis of the outer cylinder 221, the first deflection drives the outer tube 211 to rotate and connects the discharge port four 217 with the conduit four 238, and the plasma layer centrifugate flows into the liquid separating test tube four 234d from the conduit four 238; the second deviation drives the outer layer tube 211 to further rotate and connects the third discharge port 216 with the third conduit 237, and the platelet layer centrifugate flows into the third liquid separating tube 234c from the third conduit 237; the third deflection drives the outer layer tube 211 to further rotate and enables the second discharge port 215 to be communicated with the second conduit 236, and the leukocyte layer centrifugate flows into the second liquid separating test tube 234b from the second conduit 236; the last deflection drives the outer tube 211 to further rotate and enables the first discharge port 214 to be communicated with the first guide tube 235, the centrifugal liquid of the red blood cell layer flows into the first liquid separation tube 234a through the first guide tube 235, then the bottom cover 227 is separated from the connecting cylinder 226 and vertically moves downwards, the supporting plate 232 and the first tube 233 are synchronously moved out, and finally the first liquid separation tube 234a containing the red blood cell layer, the second liquid separation tube 234b containing the white blood cell layer, the third liquid separation tube 234c containing the platelet layer and the fourth liquid separation tube 234d containing the plasma layer are taken out of the corresponding first tube 233 for standby.

In order to drive the lug 224d to perform automatic intermittent deflection, the automatic control device 300 includes a trigger mechanism 310 for driving the lug 224d to rotate around the axis of the outer cylinder 221, and a pushing mechanism 320 for driving the trigger mechanism 310 to switch from the initial state to the triggered state, wherein the trigger mechanism 310 is disposed between the bearing block 121 and the rotating block 116, and the pushing mechanism 320 is disposed between the rotating block 116 and the mounting plate 114 a.

The trigger mechanism 310 is located in the installation opening 117, the trigger mechanism 310 is provided with two and is in one-to-one correspondence with the lugs 224d, the trigger mechanism 310 comprises an installation groove 311 arranged on the side surface of the bearing block 121, the installation groove 311 penetrates through the upper end surface of the bearing block 121, a trigger slide rail arranged in parallel with the rotating block 116 is arranged at the bottom of the installation groove 311, the trigger slide rail is provided with two and is arranged up and down, a trigger slide block 312 matched with the trigger slide rail is arranged in the trigger slide rail, the trigger slide block 312 and the trigger slide block form sliding guide fit along the length direction parallel with the rotating block 116, the trigger slide block 312 extends upwards to the upper end surface of the bearing block 121, a clamping groove 313 matched with the lugs 224d is arranged at the end of the trigger slide block, the lugs 224d are clamped in the clamping groove 313.

Specifically, in order to drive the trigger slider 312 to slide along the trigger slide rail, a vertically arranged trigger guide rod 314 is arranged in the mounting groove 311, a lifting slider 315 is sleeved on the trigger guide rod 314, the lifting slider 315 is matched with the trigger guide rod 314 and forms a sliding guide fit along the vertical direction, the lifting slider 315 is arranged opposite to the trigger slider 312, a guide assembly is arranged between the lifting slider 315 and the trigger slider 312, the guide assembly comprises a guide protrusion 316 arranged on the lifting slider 315 and a guide inclined groove 317 arranged on the trigger slider 312, the distance between the guide inclined groove 317 and the lower end surface of the support block 121 is gradually increased along the sliding direction of the trigger slider 312, the guide protrusion 316 is matched with the guide inclined groove 317 and forms a sliding guide fit along the guide direction, when the lifting slider 315 slides downwards along the trigger guide rod 314, the guide protrusion 316 radially presses the guide inclined groove 317, the trigger slider 312 is forced to slide along the trigger slide rail, in order to facilitate the resetting of the lifting slider 315, a first return spring 318 is sleeved outside the trigger guide rod 314, one end of the first return spring 318 abuts against the side wall of the mounting groove 311, the other end of the first return spring 318 abuts against the lifting slider 315, and the elastic force of the first return spring 318 always pushes the lifting slider 315 to slide upwards along the trigger guide rod 314.

More specifically, as can be seen from the above, the supporting block 121 and the rotating block 116 are rotatably connected and matched, therefore, a cover plate 319 fixedly connected with the side surface of the supporting block 121 is disposed at an opening of the mounting groove 311, an avoiding opening corresponding to the trigger guide rod 314 is disposed on the cover plate 319, a rotating shaft 319a parallel to the width direction of the rotating block 116 is disposed on an end surface of the lifting slider 315 close to the avoiding opening, and the rotating shaft 319a extends from the avoiding opening and is rotatably connected and matched with the rotating block 116.

According to the scheme, the lifting slide block 315 slides downwards relatively along the trigger guide rod 314 by driving the liquid loading part 200 and the bearing block 121 to move vertically and upwards integrally, so that the trigger slide block 312 slides along the trigger slide rail.

In order to fix the liquid containing component 200 and the bearing block 121, a pin hole is formed in the guide block 223a and is arranged flush with the lower end face of the bearing block 121, a pin rod detachably connected and matched with the pin hole is arranged in the pin hole, and the pin rod is pulled out when the liquid containing component 200 is installed; and after the machine is installed, the pin rod is inserted into the pin hole.

In order to drive the liquid containing component 200 and the bearing block 121 to move vertically and upwardly integrally and to trigger the trigger mechanism 310, the rotating spindle 115 is arranged in a hollow manner, a strip-shaped notch is formed in the outer circumferential surface of the rotating spindle 115, the strip-shaped notch is provided with two notches which are symmetrically arranged along the axial direction of the rotating spindle 115, the pushing mechanism 320 comprises a lifting cylinder 321 coaxially arranged inside the rotating spindle 115, the lifting cylinder 321 and the rotating spindle 115 form a sliding guide fit along the vertical direction, a pushing tray 322 matched with the bottom cover 227 is arranged below the bearing block 121, a connecting rod for connecting the pushing tray 322 and the lifting cylinder 321 is arranged between the pushing tray 322 and the lifting cylinder 321, the connecting rod is matched with the strip-shaped notch and forms a sliding guide fit along the vertical direction, and the pushing tray 322 drives the liquid containing component 200 to move upwardly by driving the lifting cylinder 321 to vertically slide upwardly along the rotating spindle 115, in order to facilitate the resetting of the lifting cylinder 321, a second return spring is arranged in the rotating main shaft 115, one end of the second return spring is abutted against the top of the rotating main shaft 115, the other end of the second return spring is abutted against the lifting cylinder 321, and the elastic force of the second return spring drives the lifting cylinder 321 to slide downwards along the rotating main shaft 115 all the time.

Specifically, the lower end face of the first mounting plate 114a is provided with a mounting frame 323, a fixing sleeve 324 is arranged in the mounting frame 323, the fixing sleeve 324 is coaxially inserted into the rotating main shaft 115 and is in rotating connection and matching with the rotating main shaft, a lifting sleeve 325 is coaxially and movably arranged in the fixing sleeve 324, the top end of the lifting sleeve 325 is abutted to the lifting sleeve 321, the lifting sleeve 325 and the fixing sleeve 324 form sliding guide matching along the axial direction thereof, a lead screw 326 is coaxially arranged in the lifting sleeve 325, the lead screw 326 and the lifting sleeve 325 form threaded connection and matching, the bottom of the mounting frame 323 is fixedly provided with a third mounting plate, a third mounting plate is provided with a pushing motor 327, a second belt transmission assembly is arranged between the pushing motor 327 and the driving end of the lead screw 326, the second belt transmission assembly comprises a second driving pulley 328a coaxially and fixedly sleeved on the output end of the pushing motor 327, a second driven pulley 328b coaxially and fixedly sleeved on a and a second driven pulley 328b and a second belt 328c connecting the two.

The automatic control mechanism 300 drives the lug 224d to rotate around the axial direction of the outer cylinder 221, which is specifically shown in that the pushing motor 327 starts to operate, the pushing motor 327 drives the driving pulley two 328a to rotate, the belt two 328c transmits the power of the driving pulley two 328a to the driven pulley two 328b and drives the driven pulley two 328b to rotate, the driven pulley two 328b drives the screw rod 326 to rotate, the screw rod 326 drives the lifting sleeve 325 to slide upwards along the fixing sleeve 324, the lifting sleeve 325 drives the lifting cylinder 321 to synchronously move upwards, the lifting cylinder 321 drives the pushing tray 322 to synchronously move upwards, the pushing tray 322 drives the liquid containing part 200 and the bearing block 121 to integrally move upwards, the lifting slider 315 slides downwards relatively along the trigger sliding rod 314, the guide rod 316 of the reset spring 318 guides the trigger slider 312 to slide along the trigger sliding rail, and the clamping groove 313 drives the lug 224d to rotate around the outer cylinder 221, the outer tube 211 is connected with the dispensing mechanism 220, centrifuged blood is discharged layer by layer for dispensing, and the lug 224d needs to rotate intermittently, so the pushing motor 327 starts intermittently and drives the pushing tray 322 to move intermittently upward, after dispensing, the driving motor 327 runs reversely and the lifting cylinder 321 moves downward along the rotating main shaft 115 to reset under the action of the elastic force of the return spring II, and the elastic force of the return spring I318 drives the lifting slide block 315 to slide upward along the trigger guide rod 314 to reset.

Claims

1. The utility model provides an automatic medical blood centrifuge of partial shipment formula which characterized in that: the blood-purifying centrifuge comprises a centrifuge device and a liquid-containing part which are detachably arranged, wherein the liquid-containing part comprises a test tube assembly for containing blood and a subpackaging mechanism for leading out the blood layer by layer after centrifugation, the test tube assembly is detachably inserted in the middle of the subpackaging mechanism, the test tube assembly and the subpackaging mechanism are set to be in an isolation state and a conduction state which can be mutually switched, and the initial state is the isolation state, and an automatic control device for switching the isolation state to the conduction state between the test tube assembly and the subpackaging mechanism is arranged in the centrifuge device;

2. The automatic split medical blood centrifuge of claim 1, wherein: clamping mechanism including rotate set up in the intraoral square bearing piece of installing and the pivot axial that installing port and bearing piece rotate the junction and constitute is on a parallel with the width direction of rotatory piece, set up the circular clamping mouth that runs through from top to bottom on the bearing piece and the axial of clamping mouth is on a parallel with the axial of rotatory main shaft, the clamping mouth is corresponding with the installation mouth under the initial condition, dress liquid part sets up to be located the below of bearing piece axis of rotation with the cylindricality structure of clamping mouth looks adaptation and the focus of dress liquid part.

3. The automatic split medical blood centrifuge of claim 2, wherein: the damping mechanism comprises an annular inflation ring coaxially sleeved on the outer circular surface of the base, an annular baffle is coaxially and movably arranged outside the inflation ring, an annular bottom plate used for supporting the inflation ring is coaxially arranged on the lower end surface of the baffle, an annular external boss II is coaxially and fixedly sleeved on the outer circular surface of the baffle, the external boss II is arranged at a distance from the external boss I, movably arranged balls are embedded in the lower end surface of the external boss I, the balls are provided with a plurality of balls and are arranged in an array mode along the circumferential direction of the external boss I, the balls are abutted to the upper end surface of the external boss II, a conical shell with openings at two ends is coaxially arranged outside the baffle, the opening formed by the conical surface of the shell is gradually reduced from bottom to top, and the upper end opening of the shell is fixedly connected with the lower end surface of the external;

4. An automatic split medical blood centrifuge as defined in claim 3, wherein: the top activity of shell is provided with the safety cover that covers in the rotary mechanism outside, and the barrel structure that the opening arranged downwards is set to the safety cover and arranges with the base is coaxial, the circular uncovered corresponding with the installation mouth has been seted up to the up end of safety cover, the peephole has been seted up on the outer disc of safety cover.

5. The automatic split medical blood centrifuge of claim 4, wherein: the up end of safety cover is provided with the shutoff subassembly, and the shutoff subassembly includes that coaxial fixed mounting is protruding in the cylindrical installation of safety cover up end, and the movable sleeve is equipped with and is used for carrying out the shutoff board of shutoff to uncovered on the installation arch, and the shutoff board constitutes the sliding guide cooperation with the installation arch along the axial of safety cover, be provided with the knob in the installation arch and be the normal running fit between knob and the installation arch, the outside cover of knob is equipped with pressure spring, and pressure spring one end is contradicted with the knob, and the other end is contradicted with the shutoff board and pressure spring's elasticity is all the time by the directional shutoff board of knob, the lower terminal surface of shutoff board be provided with uncovered assorted circular boss, up end be provided with carry and draw the arch and carry protruding and boss looks adaptation.

6. The automatic split medical blood centrifuge of claim 1, wherein: the test tube assembly comprises an outer tube and an inner tube which are combined with each other, the outer tube is of a tube body structure with openings arranged upwards, the inner tube is of a tube body structure with openings arranged at two ends, the inner tube is embedded in the outer tube and forms sealed sliding connection and matching with the outer tube, an external step III is coaxially arranged on the outer circular surface of the outer tube, the external step III is close to the opening of the outer tube, a first discharge port, a second discharge port, a third discharge port and a fourth discharge port are formed in the outer circular surface of the outer tube, the first discharge port, the second discharge port, the third discharge port and the fourth discharge port are spirally arranged from bottom to top, the first discharge port is used for discharging a red blood cell layer and corresponds to the bottom of the red cell layer, the second discharge port is used for discharging a cell-coated layer and corresponds to the bottom of a white cell layer, and the third discharge port is used for discharging a platelet layer and, The discharge port four is for discharging the plasma layer and corresponds to the bottom of the plasma layer.

7. The automatic racking medical blood centrifuge of claim 6, wherein: the split charging mechanism comprises an outer cylinder body which is matched with the clamping opening and has two open ends, and an inner cylinder body which is matched with the outer cylinder body and has two open ends, the inner cylinder body and the outer test tube form sealed sliding connection fit along the axial direction of the outer cylinder body, the top of the outer cylinder body and the inner cylinder body are fixedly connected, a guide assembly is arranged between the outer cylinder body and the clamping opening, the guide assembly comprises a guide groove which is arranged on the inner wall of the clamping opening and is parallel to the axial direction of the outer cylinder body, and guide blocks which are arranged on the outer circular surface of the outer cylinder body and are parallel to the axial direction of the outer cylinder body, the guide grooves are symmetrically arranged along the axial direction of the clamping opening, the guide blocks are matched with the guide groove and form sliding guide fit along the axial direction parallel to the clamping opening, a first limit lug is arranged in the guide groove, a first limit lug is close to the lower end opening of, the limiting step and the limiting lug I are matched with each other to form a limiting assembly I for limiting the outer cylinder body.

8. The automatic dispensing medical blood centrifuge of claim 7, wherein: the top end of the outer cylinder body is coaxially and rotatably provided with an annular rotating plate, the upper end face of the rotating plate is provided with a pressing ring fixedly connected with the outer cylinder body, the pressing ring is rotatably connected and matched with the rotating plate, a damping layer is arranged between the pressing ring and the rotating plate, a second limiting assembly is arranged between the rotating plate and the third external step, the second limiting assembly comprises a second limiting groove formed in the outer circular surface of the third external step and a second limiting lug arranged on the inner circular surface of the rotating plate and matched with the second limiting groove, and the second limiting assembly is used for limiting the outer pipe;

9. The automatic racking medical blood centrifuge of claim 8, wherein: the automatic control device comprises a trigger mechanism for driving the lug to rotate around the axis of the outer barrel and a pushing mechanism for driving the trigger mechanism to be switched from an initial state to a trigger state, wherein the trigger mechanism is arranged between the bearing block and the rotating block, and the pushing mechanism is arranged between the rotating block and the mounting plate;

10. The automatic dispensing medical blood centrifuge of claim 9, wherein: the rotary main shaft is arranged in a hollow mode, a strip-shaped notch is formed in the outer circular surface of the rotary main shaft, the strip-shaped notches are arranged and are symmetrically arranged along the axial direction of the rotary main shaft, the abutting and pushing mechanism comprises a lifting cylinder coaxially arranged inside the rotary main shaft, the lifting cylinder and the rotary main shaft form sliding guide fit along the vertical direction, an abutting and pushing tray matched with the bottom cover is arranged below the bearing block, a connecting rod used for connecting the abutting and pushing tray and the lifting cylinder is arranged between the abutting and pushing tray and the lifting cylinder, the connecting rod is matched with the strip-shaped notch, the connecting rod and the lifting cylinder form sliding guide fit along the vertical direction, a second reset spring is arranged in the rotary main shaft, one end of the second reset spring is abutted to the top of the rotary main shaft, the other end of the second reset spring is;