CN212832726U

CN212832726U - Closing cap device of centrifuging tube

Info

Publication number: CN212832726U
Application number: CN201922503357.2U
Authority: CN
Inventors: 彭琳
Original assignee: Hunan Testing Institute For Medical Devices
Current assignee: Hunan Testing Institute For Medical Devices
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2021-03-30
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to the technical field of instant detection, in particular to a sealing device of a centrifuge tube, which comprises a supporting table, a conveying chain which is arranged on the supporting table and can move linearly, a plurality of placing seats which are fixed on the conveying chain at intervals and are used for installing the centrifuge tube, a flip component and a sealing component which are matched with the conveying chain; the cover turning assembly comprises a guide rod which stretches across the upper part of the conveying chain and is used for blocking the cup cover of the centrifugal tube to turn the centrifugal tube; the cover sealing assembly comprises a pressure rod stretching over the conveying chain, and the pressure rod is used for pressing the cover of the centrifugal tube onto the centrifugal tube; the distance between the pressure lever and the placing seat is smaller than the distance between the guide rod and the placing seat. The utility model discloses the biggest advantage can realize the closing cap operation automatically, avoids artifical repetition work, promotes production efficiency, guarantees the closing cap quality.

Description

Closing cap device of centrifuging tube

Technical Field

The utility model relates to an instant detection technical field indicates a closing cap device of centrifuging tube very much.

Background

Biochemical analysis is one of the important means commonly used in clinical diagnosis, and various biochemical indexes are determined by analyzing samples such as blood or other body fluids, and comprehensive analysis is performed by combining other clinical data, so that the diagnosis of diseases can be facilitated, the function of organs can be evaluated, and concurrent factors can be identified, the standard of treatment in the future can be determined, and the like. In the instant detection process, some pretreatment is often performed on the collected sample, so that the sample meets the requirements of analysis and detection. One of the pretreatment methods in the centrifugal technology is mainly used for the separation and preparation of various biological samples, the suspension of the biological samples is placed in a centrifuge tube and rotates at a high speed, and suspended micro particles, such as organelles, the sediment of biological macromolecules and the like, settle at a certain speed due to the action of huge centrifugal force, so that the suspended micro particles are separated from the solution. When carrying out the centrifugation of sample, the most convenient mode is to exist the sample in the centrifuging tube, then covers tightly with the bowl cover of centrifuging tube, makes the sample sealed in the centrifuging tube, places the centrifuging tube again and carries out the centrifugation processing on the centrifuge. The tight operation of bowl cover lid of centrifuging tube generally adopts the manual work to go on, and if the centrifuging tube quantity that needs the operation is great, the long-time manual closing cap of manual work causes easily that the finger is painful, and can cause the not tight scheduling problem of closing cap, has the shortcoming such as the closing cap inefficiency and closing cap is not tight.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a closing cap device of centrifuging tube can realize automatically sealing cap operation in batches, avoids artifical closing cap, can reduce intensity of labour, promotes closing cap efficiency, reduces the not tight probability of closing cap.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cover sealing device of a centrifugal tube comprises a supporting table, a conveying chain which is arranged on the supporting table and can move linearly, a plurality of placing seats which are fixed on the conveying chain at intervals linearly and used for installing the centrifugal tube, a flip component and a cover sealing component which are matched with the conveying chain;

the cover turning assembly comprises a guide rod which stretches across the upper part of the conveying chain and is used for blocking the cup cover of the centrifugal tube to turn the centrifugal tube;

the cover sealing assembly comprises a pressure rod stretching over the conveying chain, and the pressure rod is used for pressing the cover of the centrifugal tube onto the centrifugal tube;

the distance between the pressure lever and the placing seat is smaller than the distance between the guide rod and the placing seat.

According to the scheme, the guide rod is provided with the guide inclined plane, and the lower end of the guide inclined plane faces the moving direction of the conveying chain.

According to the scheme, the flip cover component further comprises a support rod arranged on the support table, a sliding block is sleeved on the support rod, an elastic component is further arranged on the support rod, and the guide rod is arranged on the sliding block; the elastic component is used for providing elastic force for preventing the sliding block from sliding upwards.

According to the scheme, the supporting rod is provided with a positioning rib and a positioning cap, and the sliding block can be freely and slidably positioned between the positioning rib and the positioning cap; the elastic component is positioned between the positioning cap and the sliding block.

According to the above scheme, the cover sealing assembly further comprises a supporting plate installed on the supporting table, and the pressing rod is rotatably installed on the supporting plate through a bearing.

According to the scheme, the supporting plate is provided with the baffle arranged side by side with the pressing rod, and the baffle is positioned on one side of the pressing rod close to the guide rod.

According to the scheme, one side of each cover component is provided with another cover component side by side, and the distance between the pressure rod in one cover component close to the flip component and the placing seat is larger than the distance between the pressure rod in the other cover component far away from the flip component and the placing seat.

According to the scheme, the placing seat is provided with the positioning groove, and the positioning groove is arranged along the moving direction of the conveying chain.

According to the scheme, the two ends of the conveying chain are respectively in transmission connection with the driving wheel and the driven wheel, and the driving wheel is in transmission connection with the driver.

The utility model discloses a closing cap device can put a plurality of centrifuging tubes that need the closing cap operation on the transfer chain together, makes on the transfer chain place a centrifuging tube on every places the seat, then orders about the transfer chain and removes, and the centrifuging tube just can remove with the transfer chain along with placing the seat, and in the process of removing, the centrifuging tube passes through flip subassembly earlier, and the bowl cover of centrifuging tube can be overturned under the barrier effect of guide arm, makes bowl cover and the mouth of pipe of centrifuging tube align; subsequently, the centrifuging tube can pass through the closing cap subassembly, and under the effect of blockking of depression bar, the bowl cover on the centrifuging tube can be compressed tightly the mouth of pipe of centrifuging tube, makes the bowl cover seal up with the centrifuging tube. Therefore, the utility model discloses can realize automatically the operation of closing cap in batches, avoid artifical closing cap, can reduce intensity of labour, promote closing cap efficiency, reduce the not tight probability of closing cap.

Drawings

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

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

fig. 3 is a schematic structural diagram of the flip assembly of the present invention;

FIG. 4 is a schematic view of the closure assembly of the present invention;

fig. 5 is a schematic view of the structure of the placing seat of the present invention.

In the figure: 1. a support table; 2. a conveyor chain; 3. a placing seat; 4. a flip member; 5. a closure assembly;

41. a guide bar; 42. a guide slope; 43. a support bar; 44. a slider; 45. an elastic component; 46. positioning ribs; 47. a positioning cap; 51. a pressure lever; 52. a support plate; 53. a bearing; 54. a baffle plate;

6. positioning a groove; 7. a driving wheel; 8. a driven wheel; 9. a driver; 10. and (5) withdrawing the tube plate.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

As shown in fig. 1 and fig. 2, the sealing device for centrifuge tube of the present invention comprises a supporting table 1, a conveying chain 2 mounted on the supporting table 1 and capable of moving linearly, and a plurality of placing seats 3 fixed on the conveying chain 2 at linear intervals for mounting centrifuge tube, further comprising a flip assembly 4 and a sealing assembly 5 cooperating with the conveying chain 2; the flip cover assembly 4 comprises a guide rod 41 spanning over the conveyor chain 2, and the guide rod 41 is used for blocking the cover of the centrifuge tube to flip the centrifuge tube; the cover closing assembly 5 comprises a pressing rod 51 spanning over the conveying chain 2, and the pressing rod 51 is used for pressing the cover of the centrifugal tube onto the centrifugal tube; the distance between the pressure lever 51 and the placing seat 3 is smaller than the distance between the guide rod 41 and the placing seat 3. The utility model discloses a closing cap device can put a plurality of centrifuging tubes that need the closing cap operation on transfer chain 2 together, makes on transfer chain 2 each place and all place a centrifuging tube on the seat 3, then orders about transfer chain 2 and removes, and the centrifuging tube just can remove with transfer chain 2 along with placing seat 3, and in the process of removing, the centrifuging tube passes through flip subassembly 4 earlier, and the bowl cover of centrifuging tube can be overturned under the barrier effect of guide arm 41, makes the bowl cover align with the mouth of pipe of centrifuging tube; subsequently, the centrifuging tube can be through closing cap subassembly 5, and under the effect of the stopping of depression bar 51, the bowl cover on the centrifuging tube can be compressed tightly to the mouth of pipe of centrifuging tube, makes the bowl cover seal up with the centrifuging tube. Therefore, the utility model discloses can realize automatically the operation of closing cap in batches, avoid artifical closing cap, can reduce intensity of labour, promote closing cap efficiency, reduce the not tight probability of closing cap.

As shown in fig. 3, the guide rod 41 is provided with a guide slope 42, and a lower end of the guide slope 42 faces a moving direction of the conveyor chain 2. The guide inclined plane 42 is used for guiding the cup cover of the centrifuge tube, so that the cup cover cannot be clamped in the overturning process, and the accurate overturning action of the cup cover is realized.

As shown in fig. 3, the flip cover assembly 4 further includes a supporting rod 43 mounted on the supporting platform 1, a sliding block 44 is sleeved on the supporting rod 43, an elastic assembly 45 is further disposed on the supporting rod 43, and the guide rod 41 is mounted on the sliding block 44; the elastic member 45 is used to provide an elastic force for preventing the slider 44 from sliding upward. The supporting rod 43 is provided with a positioning rib 46 and a positioning cap 47, and the sliding block 44 can be freely and slidably positioned between the positioning rib 46 and the positioning cap 47; the resilient member 45 is located between the retaining cap 47 and the slider 44. The positioning rib 46 is used for supporting and positioning the sliding block 44, and defines a minimum distance between the guide rod 41 on the sliding block 44 and the placing seat 3, and the positioning cap 47 can be detachably mounted on the supporting rod 43 through a screw, so that the positioning cap 47 is used for blocking the elastic component 45 and preventing the elastic component 45 from being separated from the supporting rod 43, and the elastic component 45, such as a spring, can reliably provide elastic force for the sliding block 44. Through above-mentioned structure, when making guide arm 41 operate the centrifuging tube, can reciprocate by self-adaptation, adaptation different states's centrifuging tube, no matter how high the bowl cover of centrifuging tube, all can accurately realize the upset action of bowl cover, the bowl cover after the upset can pass guide arm 41 and place the clearance between the seat 3 along with the centrifuging tube together under guide arm 41's spacing, simultaneously guide arm 41 and centrifuging tube after-separating, elastic component 45 can also make slider 44 and guide arm 41 reset, slider 44 slides to and fixes a position muscle 46 contact, guide arm 41 just can reply initial position like this, wait to overturn the bowl cover of next centrifuging tube. The distance between the guide rod 41 and the placing seat 3 is relatively large, so that the centrifugal tube can more smoothly pass through the gap between the guide rod 41 and the placing seat 3.

As shown in fig. 2 and 4, the capping assembly 5 further includes a support plate 52 mounted on the support table 1, and the pressing rod 51 is rotatably mounted on the support plate 52 through a bearing 53. The supporting plate 52 is provided with a baffle 54 arranged side by side with the pressing rod 51, and the baffle 54 is positioned on one side of the pressing rod 51 close to the guide rod 41. The centrifuge tube moves along with the placing seat 3, after the turning action of the turning cover component 4, the cup cover and the centrifuge tube are in a roughly covered state, and then the centrifuge tube can come to the sealing cover component 5 and can continue to move forwards. At this moment, the bowl cover of centrifuging tube can pass depression bar 51 and place the clearance between the seat 3, because depression bar 51 and place the clearance between the seat 3 and can design for relatively little, this clearance only satisfies the centrifuging tube under the bowl cover lid state and passes through, consequently, when the bowl cover does not have the centrifuging tube that covers tightly, the bowl cover will be pressed down by depression bar 51, makes the bowl cover lid tightly to the centrifuging tube. The pressure rod 51 can rotate freely under the support of the bearing 53, and the resistance of the centrifugal tube passing through the pressure rod 51 is reduced. In addition, the centrifuging tube that has accomplished flip in the aforesaid upset step, its bowl cover can be bounced again certainly, leads to bowl cover and centrifuging tube to be inefficacious in aforesaid upset action, therefore baffle 54's effect alright play the mistake proofing effect, baffle 54 can block the bowl cover with guide arm 41 the same, makes the bowl cover under this condition accomplish the upset action once more, and later the bowl cover directly covers tightly under depression bar 51's effect on the centrifuging tube, and the bowl cover after covering tightly also can not bounce once more. The space between the pressure lever 51 and the placing seat 3 is relatively small, so that the cup cover can be pressed tightly.

As shown in fig. 2, another cover component 5 is arranged side by side on one side of the cover component 5, and the distance between the press rod 51 in one cover component 5 close to the flip component 4 and the placing seat 3 is larger than the distance between the press rod 51 in another cover component 5 far from the flip component 4 and the placing seat 3. Two closing cap subassembly 5 tandem cooperations, make the centrifuging tube can be through preliminary closing cap after, once more through the secondary closing cap compresses tightly, realize depression bar 51 in the closing cap subassembly 5 that the secondary closing cap compressed tightly and place the interval between the seat 3, be less than the depression bar 51 in the closing cap subassembly that realizes preliminary closing cap and place the interval between the seat 3, preliminarily compress tightly the centrifuging tube with the bowl cover in the preliminary closing cap step, compress tightly the bowl cover on the centrifuging tube completely in the secondary closing cap step, can guarantee the centrifuging tube like this after twice closing cap step, the bowl cover can be covered tightly on the centrifuging tube completely, improve the degree of tightness of closing cap, the centrifuging tube does not have sealed not tight problem like this.

As shown in fig. 5, the placing seat 3 is provided with a positioning groove 6, and the positioning groove 6 is arranged along the moving direction of the conveying chain 2. After the centrifuging tube was placed and is placed on seat 3, the constant head tank 6 just in time can be put to the position that the bowl cover is connected with the centrifuging tube, and the centrifuging tube is along with the in-process of placing seat 3 and removing like this, and the centrifuging tube can not rotate, and the orientation of bowl cover can remain unchanged all the time, and the bowl cover is more accurate with the cooperation relation between flip subassembly 4 and the closing cap subassembly 5.

As shown in fig. 1, two ends of the transmission chain 2 are respectively connected to a driving wheel 7 and a driven wheel 8 in a transmission manner, and the driving wheel 7 is connected with a driver 9 in a transmission manner. The drive 9 may be a manual wheel or a motor, which drives the conveyor chain 2 to move continuously for continuous capping.

As shown in figure 1, the staff firstly places the centrifuge tubes to be sealed on the conveying chain 2 in batches, so that a plurality of centrifuge tubes are located in the placing seat 3 in a one-to-one correspondence manner, and the cup cover connecting parts on the centrifuge tubes are clamped into the positioning grooves 6 of the placing seat 3. After a plurality of centrifuge tubes are placed, the driver 9 can be started to drive the driving wheel 7 to drive the conveying chain 2 to move (rotate). As shown in fig. 2, in the moving process of the transmission chain 2, the centrifuge tube firstly passes through the flip assembly 4 to realize the flip action, and then passes through the two cover assemblies 5 in sequence to complete the primary cover sealing and the secondary cover sealing, and then the cup cover is completely pressed on the centrifuge tube. Finally, the centrifuging tube is just invertd along with the continuous removal of transfer chain 2, walks around from driving wheel 8 back centrifuging tube, and the centrifuging tube drops in placing seat 3 by oneself under the action of gravity. Further, a tube withdrawing plate 10 may be added near the driven wheel 8, and the tube withdrawing plate 10 may be designed in an arc shape so that the distance between the tube withdrawing plate and the placing base 3 becomes gradually smaller, and the centrifugal tube which does not automatically fall from the placing base 3 is pushed out, as shown in fig. 1. The utility model discloses the biggest advantage can realize the closing cap operation automatically, avoids artifical repetition work, promotes production efficiency, guarantees the closing cap quality.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A cover sealing device of a centrifugal tube is characterized by comprising a supporting table, a conveying chain which is arranged on the supporting table and can move linearly, a plurality of placing seats which are fixed on the conveying chain at intervals linearly and used for installing the centrifugal tube, a flip cover assembly and a cover sealing assembly, wherein the flip cover assembly and the cover sealing assembly are matched with the conveying chain;

2. The apparatus for closing the centrifuge tube according to claim 1, wherein the guide rod has a guide slope, and the lower end of the guide slope faces the moving direction of the conveyor chain.

3. The sealing device for the centrifuge tube according to claim 1, wherein the flip assembly further comprises a support rod mounted on the support platform, a slide block is sleeved on the support rod, an elastic assembly is further arranged on the support rod, and the guide rod is mounted on the slide block; the elastic component is used for providing elastic force for preventing the sliding block from sliding upwards.

4. The sealing device for the centrifuge tube according to claim 3, wherein the support rod is provided with a positioning rib and a positioning cap, and the slide block is freely slidably positioned between the positioning rib and the positioning cap; the elastic component is positioned between the positioning cap and the sliding block.

5. The apparatus of claim 1, wherein the cover assembly further comprises a support plate mounted on the support platform, and the pressure bar is rotatably mounted on the support plate via a bearing.

6. The capping device for the centrifuge tube according to claim 5, wherein the support plate is provided with a baffle arranged side by side with the pressure rod, and the baffle is positioned at one side of the pressure rod close to the guide rod.

7. The apparatus for closing the centrifuge tube according to claim 6, wherein another cover component is disposed side by side on one side of the cover component, and the distance between the pressing rod and the placing seat in one cover component close to the flip component is larger than the distance between the pressing rod and the placing seat in the other cover component far from the flip component.

8. The apparatus for closing the centrifuge tube according to claim 1, wherein the placing base is provided with a positioning groove, and the positioning groove is arranged along the moving direction of the conveyor chain.

9. The centrifuge tube capping device according to claim 1, wherein the two ends of the conveying chain are respectively connected to a driving wheel and a driven wheel in a transmission manner, and a driver is connected to the driving wheel in a transmission manner.