CN115025892A - Centrifugal device for blood detection - Google Patents
Centrifugal device for blood detection Download PDFInfo
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- CN115025892A CN115025892A CN202210501768.1A CN202210501768A CN115025892A CN 115025892 A CN115025892 A CN 115025892A CN 202210501768 A CN202210501768 A CN 202210501768A CN 115025892 A CN115025892 A CN 115025892A
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- centrifugal
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- 239000008280 blood Substances 0.000 title claims abstract description 28
- 210000004369 blood Anatomy 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 238000005119 centrifugation Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 69
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000009534 blood test Methods 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/10—Control of the drive; Speed regulating
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- Centrifugal Separators (AREA)
Abstract
The invention relates to a centrifugal device, in particular to a centrifugal device for blood detection. The centrifugal device for blood detection can fix a centrifugal test tube and ensure the centrifugal effect. A centrifugal device for blood detection comprises a base, a guide rail, a sliding plate, a connecting plate, a mounting ring and the like; both sides all are equipped with the guide rail around the base top, and the equal slidingtype in the left and right sides between two front and back guide rails is equipped with the slide, and the equal rotary type in both sides is equipped with the connecting plate around the slide, controls between two relative connecting plate upper portions the rotary type and is connected with the mounting panel, is equipped with the collar between two front and back mounting panels. The cylinder is put into to centrifugal test tube, fixes through two fixed plates, and driving motor's output shaft rotates and to make the cylinder rotate, and then carries out the centrifugation to blood, and in centrifugal process, the fixed plate can press from both sides tight centrifugal test tube, and when avoiding high-speed rotation, the centrifugal test tube was disorderly moved.
Description
Technical Field
The invention relates to a centrifugal device, in particular to a centrifugal device for blood detection.
Background
When carrying out blood detection chemical examination, all need with blood centrifugation, the technique commonly used in clinical during the centrifugation utilizes high rotational speed and the different density of blood composition, reaches the purpose of blood layering, passes through the centrifugation technique with blood after layering, and the convenience is to carrying out the chemical examination and detecting.
At present, the used centrifuge of hospital does not have the device of fixing to the centrifugal test tube mostly now, generally all is directly placing the centrifugal test tube and is placing the hole or place intraductally, and the back is closed to the top cap, has certain distance between centrifugal test tube and the top cap in addition, is carrying out centrifugal process, and high-speed rotation makes the centrifugal test tube thrown away very easily and places the hole or place the pipe to lead to centrifugal effect not good.
Therefore, the centrifugal device for blood detection is provided, which can fix a centrifugal test tube and ensure the centrifugal effect.
Disclosure of Invention
In order to overcome the defects that most of the existing centrifuges do not have a device for fixing the centrifugal test tube and the centrifugal test tube is easy to throw out due to high-speed rotation, the invention has the technical problems that: the centrifugal device for blood detection can fix a centrifugal test tube and ensure the centrifugal effect.
The utility model provides a blood detects's centrifugal device, which comprises a base, the guide rail, a slide, the connecting plate, the mounting panel, the collar, the change, the drum, actuating mechanism and fixed establishment, both sides all are equipped with the guide rail around the base top, the equal slidingtype in the left and right sides between two front and back guide rails is equipped with the slide, the equal rotary type in both sides is equipped with the connecting plate around the slide, the rotary type is connected with the mounting panel between two relative connecting plate upper portions about, be equipped with the collar between two front and back mounting panels, the rotary type is equipped with the change in the mounting panel, be equipped with the drum in the change, be equipped with actuating mechanism between base and the drum, actuating mechanism is used for driving the drum rotation, be equipped with the fixed establishment who is used for fixed centrifugal test tube on the drum.
In addition, it is especially preferred that actuating mechanism is including the mounting bracket, the carriage, first spring, the installation section of thick bamboo, driving motor, the dome, the lug, the fixed pulley and act as go-between, base top rear side is equipped with the mounting bracket, the slidingtype of mounting bracket upper portion is equipped with the carriage, be connected with two first springs between carriage and the mounting bracket, carriage upper portion is equipped with the installation section of thick bamboo, be equipped with driving motor in the installation section of thick bamboo, be equipped with the dome on driving motor's the output shaft, the even interval in drum upper portion outside is equipped with three lug, mounting bracket lower part front side is equipped with the fixed pulley, be equipped with the act as go-between on the mounting panel of rear side, the tail end of acting as go-between the fixed pulley is connected with the carriage.
In addition, it is especially preferred that the fixing mechanism comprises a first mounting block, a sliding block, a second spring and a fixing plate, wherein the first mounting block is arranged on the front side and the rear side of the upper portion of the cylinder, the sliding block is arranged in the first mounting block in a sliding mode and located in the cylinder, the second spring is connected between the sliding block and the adjacent first mounting block, and the fixing plate is arranged at the inner end of the sliding block.
In addition, especially preferred is, still including being used for promoting the drum and upwards rising the slewing mechanism, slewing mechanism is including connecting block, rack, pivot, gear, sliding sleeve and turning handle, and the slide front side all is equipped with the connecting block, and the connecting block bottom all is equipped with the rack, and base front side central point puts the rotary type and is equipped with the pivot, and the pivot rear side is equipped with the gear, and the rack all meshes with the gear, and the equal slidingtype of pivot front side is equipped with the sliding sleeve, and the sliding sleeve is connected with base slidingtype, and the sliding sleeve front side is equipped with the turning handle.
In addition, especially preferred is, still including the pushing mechanism who is used for further firm centrifugal test tube, pushing mechanism is including guide pin bushing, first slide bar, third spring and the lantern ring, and the top left and right sides all is equipped with the guide pin bushing in the dome, all is equipped with first slide bar in the guide pin bushing with slidingtype, all is connected with the third spring between first slide bar and the close guide pin bushing, controls and is equipped with the lantern ring between two first slide bar bottoms, and the lantern ring moves down and contacts with the fixed plate.
In addition, especially preferred is, still including being used for blockking the barrier mechanism at centrifugal test tube top, barrier mechanism is including swash plate, slide rail, arc, baffle and coupling spring, and the dome left side is equipped with the swash plate, and the drum upper portion left and right sides all is equipped with the slide rail, controls between two slide rails slidingtype and is equipped with the arc, swash plate downstream and arc contact, and the arc middle part position is equipped with the baffle, and baffle and drum sliding connection all are connected with coupling spring between arc and the slide rail.
In addition, especially preferred is that the device further comprises a speed reducing mechanism used for stopping the rotation of the cylinder, the speed reducing mechanism comprises a second mounting block, a second sliding rod, a fourth spring and a speed reducing plate, the second mounting block is arranged on the left side and the right side of the middle of the base, the second sliding rod is arranged on the upper portion of the second mounting block in a sliding mode, the fourth spring is connected between the second sliding rod and the adjacent second mounting block, the speed reducing plate is arranged at the inner end of the second sliding rod, and the speed reducing plate is attached to the cylinder.
In addition, particularly preferably, the rubber ring further comprises a rubber block, and the rubber block is arranged in the lantern ring.
Compared with the prior art, the invention has the following advantages: 1. the cylinder is put into to centrifugal test tube, fixes through two fixed plates, and driving motor's output shaft rotates and to make the cylinder rotate, and then carries out the centrifugation to blood, and in centrifugal process, the fixed plate can press from both sides tight centrifugal test tube, and when avoiding high-speed rotation, the centrifugal test tube was disorderly moved.
2. The sliding plates slide in opposite directions by the rotation of the gears, so that the cylinder is matched with the round cover, the rotating shaft can be limited to rotate reversely after the sliding sleeve slides backwards, and the sliding plates are prevented from sliding backwards in the centrifugal process.
3. The lantern ring moves down the back cover on the fixed plate to further fixed centrifugal test tube avoids centrifugal test tube and fixed plate to break away from.
4. The baffle is located centrifugal test tube top after the forward movement to stop the stopper of centrifugal test tube, drop when preventing the stopper rotation.
5. After the centrifugation is finished, the cylinder moves downwards to be in contact with the speed reducing plate, and friction force can be generated between the speed reducing plate and the cylinder, so that the cylinder is decelerated, and the cylinder stops rotating.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the present invention.
Fig. 3 is a schematic partial sectional view of the present invention.
Fig. 4 is a schematic perspective view of the driving mechanism of the present invention.
Fig. 5 is a partial sectional structural schematic view of the drive mechanism of the present invention.
Fig. 6 is a partial perspective view of the driving mechanism of the present invention.
Fig. 7 is a schematic sectional view of the fixing mechanism of the present invention.
Fig. 8 is a schematic perspective view of the rotating mechanism of the present invention.
Fig. 9 is a partial perspective view of the rotating mechanism of the present invention.
Fig. 10 is a schematic sectional structure view of the pushing mechanism of the present invention.
Fig. 11 is a schematic perspective view of the blocking mechanism of the present invention.
Fig. 12 is a schematic perspective view of a portion of the blocking mechanism of the present invention.
Fig. 13 is a schematic perspective view of the reduction mechanism of the present invention.
In the figure: 1. base, 2, guide rail, 3, sliding plate, 4, connecting plate, 5, mounting plate, 6, mounting ring, 7, rotating ring, 8, cylinder, 9, driving mechanism, 91, mounting rack, 92, sliding rack, 93, first spring, 94, mounting cylinder, 95, driving motor, 96, round cover, 97, bump, 98, fixed pulley, 99, pull wire, 10, fixing mechanism, 101, first mounting block, 102, sliding block, 103, second spring, 104, fixing plate, 11, rotating mechanism, 111, connecting block, 112, rack, 113, rotating shaft, 114, gear, 115, sliding sleeve, 116, rotating handle, 12, pushing mechanism, 121, guide sleeve, 122, first sliding rod, 123, third spring, 124, sleeve ring, 13, blocking mechanism, 131, inclined plate, 132, sliding rail, 133, arc-shaped plate, 134, baffle, 135, connecting spring, 14, speed reducing mechanism, 141, second mounting block, 142, A second slide bar 143, a fourth spring 144, a speed reducing plate and 15-rubber blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It is to be understood that these descriptions are only illustrative and are not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
A centrifugal device for blood detection, which is shown in figures 1-6 and comprises a base 1, a guide rail 2, a sliding plate 3, a connecting plate 4 and a mounting plate 5, collar 6, the change 7, drum 8, actuating mechanism 9 and fixed establishment 10, the equal bolt in both sides has guide rail 2 around the 1 top of base, the left and right sides between two front and back guide rails 2 all is equipped with slide 3, the equal rotary type in both sides is equipped with connecting plate 4 around the slide 3, the rotary type is connected with mounting panel 5 between two relative connecting plate 4 upper portions about, the bolt has collar 6 between two front and back mounting panels 5, 6 internal rotation formulas of collar are equipped with change 7, be equipped with drum 8 in the change 7, be equipped with actuating mechanism 9 between base 1 and the drum 8, actuating mechanism 9 can drive drum 8 and rotate, be equipped with fixed establishment 10 on the drum 8, fixed establishment 10 can fix centrifugal test tube.
When the device is used, a worker puts a test tube filled with blood into the cylinder 8 and fixes the test tube through the fixing mechanism 10, then the worker pushes the left and right sliding plates 3 to slide oppositely, the sliding plates 3 slide oppositely and push the mounting plate 5 to move upwards through the connecting plate 4, the mounting plate 5 moves upwards to drive the mounting ring 6 to move upwards, the mounting ring 6 moves upwards to drive the cylinder 8 to move upwards through the rotating ring 7, the upper part of the driving mechanism 9 moves downwards while the mounting plate 5 moves upwards so as to be matched with the cylinder 8, at the moment, the worker fixes the position of the sliding plate 3 through a tool, then the worker starts the driving mechanism 9, the driving mechanism 9 operates to drive the cylinder 8 to rotate at a high speed, the cylinder 8 rotates to drive the rotating ring 7 to rotate in the mounting ring 6, and the cylinder 8 rotates while driving the centrifugal test tube to rotate at a high speed through the fixing mechanism 10, make the blood composition of different density carry out the layering, thereby reach centrifugal purpose, in centrifugal process, fixed establishment 10 can effectively fix the centrifugal test tube, avoid the centrifugal test tube to be thrown away, after the centrifugation is accomplished, actuating mechanism 9 is closed to the staff, then loosen slide 3, under the effect of gravity, two slide 3 are the sliding back of the body along with and are reset, and then drive mounting panel 5 downstream through connecting plate 4, make actuating mechanism 9's upper portion rebound reset after the mounting panel 5 downstream, drive the superstructure that drum 8 downshifted and actuating mechanism 9 through collar 6 and change 7 when mounting panel 5 downstream breaks away from, at this moment, the staff alright take out the blood after the centrifugation from drum 8.
As shown in fig. 1, 4, 5 and 6, the driving mechanism 9 includes a mounting frame 91, a sliding frame 92, first springs 93, a mounting cylinder 94, a driving motor 95, a round cover 96, bumps 97, a fixed pulley 98 and a pull wire 99, the mounting frame 91 is fixedly connected to the rear side of the top of the base 1 through bolts, the sliding frame 92 is slidably arranged on the upper portion of the mounting frame 91, two first springs 93 are connected between the sliding frame 92 and the mounting frame 91, the mounting cylinder 94 is arranged on the upper portion of the sliding frame 92, the driving motor 95 is bolted in the mounting cylinder 94, the round cover 96 is arranged on an output shaft of the driving motor 95, three bumps 97 are bolted at equal intervals on the outer side of the upper portion of the cylinder 8, the fixed pulley 98 is bolted on the front side of the lower portion of the mounting frame 91, the pull wire 99 is arranged on the mounting plate 5 on the rear side, and the tail end of the pull wire 99 is connected with the sliding frame 92 by passing around the fixed pulley 98.
When the device is used, the mounting plate 5 on the rear side moves upwards to pull the sliding frame 92 to slide downwards through the pull wire 99, the first spring 93 deforms, the sliding frame 92 slides downwards to drive the mounting cylinder 94 to move downwards, the mounting cylinder 94 moves downwards to drive the round cover 96 to move downwards through the driving motor 95, the round cover 96 moves downwards to be sleeved on the cylinder 8, at the moment, a worker starts the driving motor 95, an output shaft of the driving motor 95 rotates to drive the round cover 96 to rotate, the round cover 96 rotates to drive the cylinder 8 to rotate through the lug 97, so that blood in the cylinder 8 is centrifuged, after the centrifugation is finished, the worker closes the driving motor 95, the pull wire 99 is loosened after the mounting plate 5 on the rear side moves downwards, at the moment, the sliding frame 92 slides upwards to reset under the reset action of the first spring 93, the sliding frame 92 slides upwards to drive the driving motor 95 to move upwards through the mounting cylinder 94, the dome 96 is then moved upwardly to be reset.
As shown in fig. 1 and 7, the fixing mechanism 10 includes a first mounting block 101, a sliding block 102, a second spring 103 and a fixing plate 104, the first mounting block 101 is bolted on the front and rear sides of the upper portion of the cylinder 8, the sliding block 102 is slidably disposed in the first mounting block 101, the sliding block 102 is located in the cylinder 8, the second spring 103 is connected between the sliding block 102 and the adjacent first mounting block 101, and the fixing plate 104 is bolted on the inner end of the sliding block 102.
When using the device, the staff puts into drum 8 with centrifugal test tube in, when centrifugal test tube downstream to contact with fixed plate 104, can extrude fixed plate 104 removal dorsad in the centrifugal test tube downstream, fixed plate 104 removes the drive slider 102 slip dorsad, deformation takes place for second spring 103, after centrifugal test tube downstream to suitable position, under the effect of second spring 103 resilience, fixed plate 104 can press from both sides tight centrifugal test tube, avoid in centrifugal process, centrifugal test tube moves indiscriminately, after the centrifugation is accomplished, the staff drives centrifugal test tube rebound, make centrifugal test tube and fixed plate 104 break away from, at this moment, under the effect that second spring 103 resets, slider 102 drives fixed plate 104 and removes the restoration in opposite directions thereupon.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 8 and 9, the device further includes a rotating mechanism 11, the rotating mechanism 11 can push the cylinder 8 to rise upwards, the rotating mechanism 11 includes a connecting block 111, a rack 112, a rotating shaft 113, a gear 114, a sliding sleeve 115 and a rotating handle 116, the connecting block 111 is bolted on the front side of the sliding plate 3, the rack 112 is bolted on the bottom of the connecting block 111, the rotating shaft 113 is rotatably disposed at the center position of the front side of the base 1, the gear 114 is keyed on the rear side of the rotating shaft 113, the rack 112 is engaged with the gear 114, the sliding sleeve 115 is slidably disposed on the front side of the rotating shaft 113, the sliding sleeve 115 is slidably connected with the base 1, and the rotating handle 116 is disposed on the front side of the sliding sleeve 115.
When the device is used, a worker pulls the sliding sleeve 115 to slide forwards through the rotating handle 116 to be separated from the base 1, at this time, the worker can drive the sliding sleeve 115 to rotate through the rotating handle 116, the sliding sleeve 115 rotates to drive the rotating shaft 113 to rotate, the rotating shaft 113 rotates to drive the gear 114 to rotate, the gear 114 rotates to enable the rack 112 to move in opposite directions, the rack 112 moves in opposite directions, the sliding plate 3 is driven to slide in opposite directions through the connecting block 111 to further enable the round cover 96 to be sleeved on the cylinder 8, at this time, the worker pushes the sliding sleeve 115 to slide backwards through the rotating handle 116 to be re-clamped into the base 1 to further limit the reverse rotation of the rotating shaft 113, the sliding plate 3 is prevented from sliding backwards in the centrifugal process, after the centrifugal process is completed, the worker pulls the sliding sleeve 115 to slide forwards through the rotating handle 116 to be separated from the base 1, at this time, the sliding plate 3 slides backwards through the connecting block 111 to drive the rack 112 to move backwards, the gear 114 rotates backwards to drive the rotating shaft 113 to reverse rotation therewith, after the skateboard 3 slides back, the worker pushes the sliding sleeve 115 to slide back again through the rotating handle 116 to be re-clamped in the base 1.
As shown in fig. 1 and 10, the centrifugal test tube fixing device further includes a pushing mechanism 12, the pushing mechanism 12 can further stabilize the centrifugal test tube, the pushing mechanism 12 includes a guide sleeve 121, a first slide bar 122, a third spring 123 and a collar 124, the guide sleeve 121 is bolted on the left and right sides of the inner top of the round cap 96, the first slide bar 122 is slidably arranged in the guide sleeve 121, the third spring 123 is connected between the first slide bar 122 and the guide sleeve 121 that is close to the first slide bar 122, the collar 124 is bolted between the bottoms of the left and right first slide bars 122, and the collar 124 moves downward and contacts the fixing plate 104.
As shown in fig. 1 and 10, the rubber block 15 is further included, and the rubber block 15 is arranged in the collar 124.
When the device is used, the round cover 96 moves downwards to drive the first sliding rod 122 to move downwards through the guide sleeve 121, the sleeve ring 124 moves downwards along with the first sliding rod 122, when the sleeve ring 124 moves downwards to be in contact with the fixing plate 104, the round cover 96 continues to move downwards to enable the guide sleeve 121 to slide downwards on the first sliding rod 122, the third spring 123 deforms, after the third spring 123 deforms to a certain degree, the round cover 96 continues to move downwards to enable the guide sleeve 121 to continue to drive the first sliding rod 122 to move downwards, the sleeve ring 124 further moves downwards to be sleeved on the outer side of the fixing plate 104, under the action of the rubber block 15, the force of the sleeve ring 124 for extruding the fixing plate 104 can be buffered, the phenomenon that the centrifugal test tube is damaged or broken due to the fact that the sleeve ring 124 directly extrudes the fixing plate 104 is avoided, the sleeve ring 124 can further fix the centrifugal test tube after being sleeved on the fixing plate 104, and the centrifugal test tube is prevented from being separated from the fixing plate 104.
As shown in fig. 1, fig. 11 and fig. 12, the centrifuge tube holder further comprises a blocking mechanism 13, the blocking mechanism 13 can block the top of the centrifuge tube, the blocking mechanism 13 comprises an inclined plate 131, a slide rail 132, an arc plate 133, a baffle 134 and a connecting spring 135, the inclined plate 131 is bolted on the left side of the round cover 96, the slide rails 132 are bolted on the left side and the right side of the upper part of the cylinder 8, the arc plate 133 is slidably arranged between the left slide rail 132 and the right slide rail 132, the inclined plate 131 moves downwards to contact with the arc plate 133, the baffle 134 is bolted on the middle position of the arc plate 133, the baffle 134 is slidably connected with the cylinder 8, and the connecting spring 135 is connected between the arc plate 133 and the slide rail 132.
When using the device, the round cover 96 moves down and drives the swash plate 131 to move down, when the swash plate 131 moves down to contact with the arc 133, the swash plate 131 moves down and pushes the arc 133 to slide forward on the slide rail 132, the connecting spring 135 deforms, the baffle 134 is located above the centrifugal test tube after moving forward, thereby blocking the plug of the centrifugal test tube, the plug is prevented from dropping when rotating, when the round cover 96 moves up, the swash plate 131 moves up along with the baffle 131 and no longer extrudes the arc 133, under the reset effect of the connecting spring 135, the arc 133 drives the baffle 134 to move back and reset.
As shown in fig. 1 and 13, the cylinder 8 is further provided with a speed reducing mechanism 14, the speed reducing mechanism 14 can stop the rotation of the cylinder 8, the speed reducing mechanism 14 comprises a second mounting block 141, a second sliding rod 142, a fourth spring 143 and a speed reducing plate 144, the second mounting block 141 is bolted to the left and right sides of the middle portion of the base 1, the second sliding rod 142 is arranged on the upper portion of the second mounting block 141 in a sliding manner, the fourth spring 143 is connected between the second sliding rod 142 and the adjacent second mounting block 141, the inner end of the second sliding rod 142 is provided with the speed reducing plate 144, and the speed reducing plate 144 is attached to the cylinder 8.
When the device is used, after centrifugation is completed, the cylinder 8 is separated from the round cover 96, at this time, the cylinder 8 can continue to rotate due to inertia, when the cylinder 8 moves downwards to be in contact with the speed reduction plate 144, friction force can be generated between the speed reduction plate 144 and the cylinder 8, so that the cylinder 8 is decelerated, the cylinder 8 stops rotating, and meanwhile, under the action of the second sliding rod 142 and the fourth spring 143, impact force generated by the cylinder 8 and the speed reduction plate 144 in direct collision can be buffered, and the speed reduction plate 144 or the cylinder 8 is prevented from being damaged.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A centrifugal device for blood detection comprises a base (1), guide rails (2), a sliding plate (3), connecting plates (4), mounting plates (5), mounting rings (6), rotating rings (7) and a cylinder (8), wherein the guide rails (2) are arranged on the front side and the rear side of the top of the base (1), the sliding plate (3) is arranged on the left side and the right side between the front guide rail and the rear guide rail (2) in a sliding manner, the connecting plates (4) are arranged on the front side and the rear side of the sliding plate (3) in a rotating manner, the mounting plates (5) are rotatably connected between the upper parts of the left connecting plate and the right connecting plate (4) which are opposite, the mounting ring (6) is arranged between the front mounting plate and the rear mounting plate (5), the rotating rings (7) are rotatably arranged in the mounting rings (6), the cylinder (8) is arranged in the rotating rings (7), and is characterized by further comprising a driving mechanism (9) and a fixing mechanism (10), and a driving mechanism (9) is arranged between the base (1) and the cylinder (8), the driving mechanism (9) is used for driving the cylinder (8) to rotate, and the cylinder (8) is provided with a fixing mechanism (10) for fixing the centrifugal test tube.
2. The centrifugal device for blood detection according to claim 1, wherein the driving mechanism (9) comprises a mounting frame (91), a sliding frame (92), first springs (93), a mounting cylinder (94), a driving motor (95), round covers (96), convex blocks (97), fixed pulleys (98) and pull wires (99), the mounting frame (91) is arranged on the rear side of the top of the base (1), the sliding frame (92) is arranged on the upper portion of the mounting frame (91) in a sliding manner, the two first springs (93) are connected between the sliding frame (92) and the mounting frame (91), the mounting cylinder (94) is arranged on the upper portion of the sliding frame (92), the driving motor (95) is arranged in the mounting cylinder (94), the round covers (96) are arranged on output shafts of the driving motor (95), the three convex blocks (97) are uniformly arranged on the outer side of the upper portion of the cylinder (8) at intervals, the fixed pulleys (98) are arranged on the front side of the lower portion of the mounting frame (91), a pull wire (99) is arranged on the mounting plate (5) at the rear side, and the tail end of the pull wire (99) is connected with the sliding frame (92) by winding the fixed pulley (98).
3. The centrifugal device for blood detection according to claim 2, wherein the fixing mechanism (10) comprises a first mounting block (101), a sliding block (102), a second spring (103) and a fixing plate (104), the first mounting block (101) is arranged on the front side and the rear side of the upper part of the cylinder (8), the sliding block (102) is arranged in the first mounting block (101) in a sliding manner, the sliding block (102) is positioned in the cylinder (8), the second spring (103) is connected between the sliding block (102) and the adjacent first mounting block (101), and the fixing plate (104) is arranged at the inner end of the sliding block (102).
4. The centrifugal device for blood detection according to claim 3, further comprising a rotating mechanism (11) for pushing the cylinder (8) to rise upward, wherein the rotating mechanism (11) comprises connecting blocks (111), racks (112), a rotating shaft (113), gears (114), sliding sleeves (115) and a rotating handle (116), the connecting blocks (111) are arranged on the front side of the sliding plate (3), the racks (112) are arranged at the bottoms of the connecting blocks (111), the rotating shaft (113) is rotatably arranged at the center position of the front side of the base (1), the gears (114) are arranged on the rear side of the rotating shaft (113), the racks (112) are respectively engaged with the gears (114), the sliding sleeves (115) are respectively slidably arranged on the front sides of the rotating shafts (113), the sliding sleeves (115) are slidably connected with the base (1), and the rotating handle (116) is arranged on the front side of the sliding sleeves (115).
5. The centrifugal device for blood detection according to claim 4, further comprising a pushing mechanism (12) for further stabilizing the centrifugal test tube, wherein the pushing mechanism (12) comprises a guide sleeve (121), a first slide bar (122), a third spring (123) and a sleeve ring (124), the guide sleeve (121) is arranged on each of the left side and the right side of the inner top of the round cover (96), the first slide bar (122) is arranged in the guide sleeve (121) in a sliding manner, the third spring (123) is connected between the first slide bar (122) and the adjacent guide sleeve (121), the sleeve ring (124) is arranged between the bottoms of the left first slide bar and the right first slide bar (122), and the sleeve ring (124) moves downwards to be in contact with the fixing plate (104).
6. The centrifugal device for blood detection according to claim 5, further comprising a blocking mechanism (13) for blocking the top of the centrifugal test tube, wherein the blocking mechanism (13) comprises an inclined plate (131), slide rails (132), arc plates (133), baffles (134) and connecting springs (135), the inclined plate (131) is arranged on the left side of the round cover (96), the slide rails (132) are arranged on the left side and the right side of the upper portion of the cylinder (8), the arc plates (133) are slidably arranged between the left slide rail and the right slide rail (132), the inclined plate (131) moves downwards to be in contact with the arc plates (133), the baffles (134) are arranged in the middle of the arc plates (133), the baffles (134) are slidably connected with the cylinder (8), and the connecting springs (135) are connected between the arc plates (133) and the slide rails (132).
7. The centrifugal device for blood detection according to claim 6, further comprising a speed reducing mechanism (14) for stopping the rotation of the cylinder (8), wherein the speed reducing mechanism (14) comprises a second mounting block (141), a second slide bar (142), a fourth spring (143) and a speed reducing plate (144), the second mounting block (141) is arranged on each of the left side and the right side of the middle portion of the base (1), the second slide bar (142) is arranged on each of the upper portions of the second mounting blocks (141) in a sliding manner, the fourth spring (143) is connected between each of the second slide bar (142) and the adjacent second mounting block (141), the speed reducing plate (144) is arranged at the inner end of each of the second slide bar (142), and the speed reducing plate (144) is attached to the cylinder (8).
8. A centrifugation device for blood tests according to claim 7, characterized in that it further comprises a rubber block (15), the rubber block (15) being provided in the collar (124).
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| CN115025892B (en) | 2023-10-24 |
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