CN215029049U

CN215029049U - Centrifugal tube capable of being opened in two directions

Info

Publication number: CN215029049U
Application number: CN202022929593.3U
Authority: CN
Inventors: 房光程
Original assignee: Jiangsu Xinjin Medical Instrument Co ltd
Current assignee: Jiangsu Xinjin Medical Instrument Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-12-07
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a centrifuging tube that can two-wayly open, including the casing, its characterized in that: the lower end of the shell is provided with a lower end cover, both sides of the shell are provided with centrifugal sealing devices, the centrifugal sealing device comprises a fixed shaft, one side of the fixed shaft is connected with a first sliding block in a sliding way, two sides of the lower end cover are provided with a supporting and clamping dual-purpose device which comprises a movable shell, the centrifugal sealing device comprises two sealing plates which are connected with the shell in a sliding way, a first connecting rod is connected with one side of the first sliding block through a bearing, a second sliding block is connected with one end of the first connecting rod through a bearing, a vertical shaft is fixedly arranged on the inner side of the second sliding block, the vertical shaft is fixedly arranged on a fixed shaft, the other side bearing that second slider bearing is connected with the head rod is connected with the second connecting rod, the utility model discloses, have the characteristics that the practicality is strong, dynamic seal, can two-way open.

Description

Centrifugal tube capable of being opened in two directions

Technical Field

The utility model relates to a centrifuging tube technical field specifically is centrifuging tube that can two-wayly open.

Background

The centrifugal tube is divided into a plastic centrifugal tube, a glass centrifugal tube and a steel centrifugal tube, wherein the plastic centrifugal tube has the advantages of transparency or translucency, small hardness and capability of taking out the gradient by a puncture method.

The existing centrifugal tube has poor practicability; the centrifugal tube that has now simultaneously, unable two-way opening leads to the solid-liquid separation to be realized using centrifugal technology, leads to the solid to be difficult to take out, and when the centrifugal tube was placed, is not stable enough, and during centrifugation, intraductal liquid also splashes easily. Therefore, it is necessary to design a centrifuge tube which is strong in practicability, dynamically sealed and capable of being opened in two directions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifuging tube that can two-wayly open to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: centrifugal tube that can two-wayly open, including the casing, its characterized in that: a lower end cover is arranged at the lower end of the shell, centrifugal sealing devices are arranged on two sides of the shell and comprise a fixed shaft, a first sliding block is connected to one side of the fixed shaft in a sliding mode, supporting and clamping dual-purpose devices are arranged on two sides of the lower end cover and comprise movable shells; centrifugal sealing device's effect lies in, and the centrifuging tube is in encapsulated situation during centrifugation, and during not centrifugation, the centrifuging tube is in the open condition, and the effect that supports the dual-purpose device of centre gripping can regard as the support when not centrifuging, can regard as clamping device during centrifugation, with the centrifuge tube centre gripping to the turn round on.

According to the technical scheme, the centrifugal sealing device comprises two sealing plates, the two sealing plates are connected with the shell in a sliding mode, and a first connecting rod is connected to a bearing on one side of the first sliding block; during centrifugation, the first slider is moved under the action of centrifugal force, and drives a first connecting rod connected with the first slider bearing to rotate.

According to the technical scheme, one end of the first connecting rod is in bearing connection with a second sliding block, a vertical shaft is fixedly mounted on the fixed shaft, the other end of the second sliding block, which is in bearing connection with the first connecting rod, is in bearing connection with a second connecting rod, and the other end of the second connecting rod is in bearing connection with the sealing plate; the first connecting rod rotates to drive the second sliding block connected with the rotating bearing of the first connecting rod to move, the second connecting rod connected with the bearing of the second sliding block is driven to rotate, the sealing plate connected with the bearing of the second connecting rod is driven to move, and the centrifugal tube is in a sealing state.

According to the technical scheme, the supporting plate for the supporting and clamping dual-purpose device is characterized in that a bearing of the supporting plate is connected to one end of a lower end cover, a movable shell is sleeved on the outer side of the lower end cover, pull rods penetrate through two sides of the movable shell, a clamping arc is fixedly arranged at one end of each pull rod, two return springs are welded to one side of each pull rod, and the other ends of the two return springs are welded to the movable shell; the pull rod is pulled manually, the clamping arc fixedly installed at one end of the pull rod is driven to be far away from the lower end cover, the movable shell can move, and after the pull rod is loosened, the clamping arc resets under the action of the reset spring.

According to the technical scheme, a third connecting rod is connected to a lower end bearing of the movable shell, the other end bearing of the third connecting rod is connected to a supporting plate, fourth connecting rods are connected to two ends of the movable shell through bearings, a limiting rod is connected to the other end bearing of the fourth connecting rod, a sliding shaft is fixedly installed on one side of the supporting plate, a clamping body is connected to one side of the sliding shaft in a sliding mode, two pressure springs are welded to one side of the clamping body, and the other ends of the two pressure springs are welded to the supporting plate; the movable shell removes, drives the third connecting rod of being connected with the movable shell bearing and rotates, drives the backup pad of being connected with third connecting rod bearing and rotates, and the movable shell removes simultaneously, drives the fourth connecting rod that the bearing is connected in its one side and rotates, drives the gag lever post removal of bearing connection in fourth connecting rod one end, makes the gag lever post no longer spacing to the clamping body, and the clamping body centre gripping is on the rotor under pressure spring's effect, makes the centrifuging tube rotate along with the rotor.

According to the technical scheme, the two sides of the lower end cover are in threaded engagement with screws, one end of each screw is connected with a fixing plate through a bearing, the two sides of each fixing plate are connected with fifth connecting rods through bearings, the other end of each fifth connecting rod is connected with a clamping block through a bearing, and the shell is provided with a clamping groove; and twisting the screw rod to drive the fixing plate on the bearing connecting screw rod to move, driving the bearing to be connected to the fifth connecting rods on two sides of the fixing plate to rotate, and driving the bearing to be connected to a clamping block at one end of the fifth connecting rod to enter the clamping groove to fix the lower end cover and the shell.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model is characterized in that the utility model,

(1) through the arrangement of the connecting rod, the sealing plate, the sliding block and other mechanisms, during centrifugation, the first sliding block moves under the action of centrifugal force to drive the first connecting rod connected with the first sliding block bearing to rotate, drive the second sliding block connected with the first connecting rod rotating bearing to move, drive the second connecting rod connected with the second sliding block bearing to rotate, and drive the sealing plate connected with the second connecting rod bearing to move, so that the centrifugal tube is in a sealed state, and through the steps, the aim of dynamically sealing the centrifugal tube can be fulfilled;

(2) through the arrangement of the movable shell, the connecting rod, the limiting rod and other mechanisms, the movable shell moves to drive the third connecting rod connected with the bearing of the movable shell to rotate and drive the supporting plate connected with the bearing of the third connecting rod to rotate, and simultaneously, the movable shell moves to drive the fourth connecting rod connected with one side of the bearing to rotate and drive the limiting rod connected with one end of the fourth connecting rod to move, so that the limiting rod does not limit the clamping body any more, the clamping body is clamped on the rotating head under the action of the pressure spring, a centrifugal tube can rotate along with the rotating head, and through the steps, the purpose that the supporting plate has two functions of supporting and clamping can be achieved;

(3) through being provided with mechanisms such as screw rod, fixed plate, fixture block for twist and move the screw rod, drive the fixed plate that the bearing was connected on the screw rod and remove, drive the bearing and connect and rotate at fixed plate both sides fifth connecting rod, drive the fixture block that the bearing is connected in fifth connecting rod one end and get into the draw-in groove, realize the fixed of bottom end cover and casing, through above-mentioned step, can reach and make the mesh that the centrifuging tube can two-way open.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic view of the overall front structure of the present invention;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

FIG. 4 is an enlarged partial schematic view at B of FIG. 2;

in the figure: 1. a fixed shaft; 2. a second connecting rod; 3. a first connecting rod; 4. a first slider; 5. a housing; 6. a sealing plate; 7. a second slider; 8. a vertical axis; 9. a lower end cover; 10. a movable shell; 11. a screw; 12. a fixing plate; 13. a fifth connecting rod; 14. a clamping block; 15. a pull rod; 16. a return spring; 17. Clamping an arc; 18. a fourth connecting rod; 19. a third connecting rod; 20. a support plate; 21. a limiting rod; 22. A holding body; 23. a pressure spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: centrifugal tube that can two-wayly open, including casing 5, its characterized in that: a lower end cover 9 is arranged at the lower end of the shell 5, centrifugal sealing devices are arranged on two sides of the shell 5, each centrifugal sealing device comprises a fixed shaft 1, a first sliding block 4 is connected to one side of each fixed shaft 1 in a sliding mode, supporting and clamping dual-purpose devices are arranged on two sides of the lower end cover 9, and each supporting and clamping dual-purpose device comprises a movable shell 10; centrifugal sealing device's effect lies in, and the centrifuging tube is in encapsulated situation during centrifugation, and during not centrifugation, the centrifuging tube is in the open condition, and the effect that supports the dual-purpose device of centre gripping can regard as the support when not centrifuging, can regard as clamping device during centrifugation, with the centrifuge tube centre gripping to the turn round on.

The centrifugal sealing device comprises two sealing plates 6, the two sealing plates 6 are in sliding connection with the shell 5, and one side of the first sliding block 4 is in bearing connection with the first connecting rod 3; during centrifugation, the first sliding block 4 moves under the action of centrifugal force, and drives the first connecting rod 3 connected with the first sliding block 4 through a bearing to rotate.

One end of the first connecting rod 3 is connected with a second sliding block 7 through a bearing, a vertical shaft 8 is fixedly arranged on the fixed shaft 1, the other end of the second sliding block 7, which is connected with the first connecting rod 3 through a bearing, is connected with a second connecting rod 2, and the other end of the second connecting rod 2 is connected with a sealing plate 6 through a bearing; the first connecting rod 3 rotates to drive the second sliding block 7 connected with the rotating bearing of the first connecting rod 3 to move, the second connecting rod 2 connected with the bearing of the second sliding block 7 is driven to rotate, the sealing plate 6 connected with the bearing of the second connecting rod 2 is driven to move, and the centrifugal tube is in a sealing state.

A support plate 20 for supporting and clamping the dual-purpose device, wherein the support plate 20 is connected to one end of a lower end cover 9 in a bearing mode, a movable shell 10 is sleeved on the outer side of the lower end cover 9, pull rods 15 are connected to two sides of the movable shell 10 in a penetrating mode, a clamping arc 17 is fixedly installed at one end of each pull rod 15, two return springs 16 are welded to one side of each pull rod 15, and the other ends of the two return springs 16 are welded to the movable shell 10; the pull rod 15 is pulled manually to drive the clamping arc 17 fixedly installed at one end of the pull rod 15 to be far away from the lower end cover 9, the movable shell 10 can move, and after the pull rod 15 is loosened, the clamping arc 17 is reset under the action of the reset spring 16.

A third connecting rod 19 is connected to the lower end of the movable shell 10 through a bearing, the other end of the third connecting rod 19 is connected to the supporting plate 20 through a bearing, the two ends of the movable shell 10 are connected to the fourth connecting rod 18 through bearings, the other end of the fourth connecting rod 18 is connected to the limiting rod 21 through a bearing, a sliding shaft is fixedly installed on one side of the supporting plate 20, a clamping body 22 is connected to one side of the sliding shaft in a sliding mode, two pressure springs 23 are welded to one side of the clamping body 22, and the other ends of the two pressure springs 23 are welded to the supporting plate 20; the movable shell 10 removes, it rotates with the third connecting rod 19 that the movable shell 10 bearing is connected to drive, drive the backup pad 20 of being connected with the 19 bearing of third connecting rod and rotate, simultaneously the movable shell 10 removes, it rotates at the fourth connecting rod 18 of its one side to drive the bearing and connect the gag lever post 21 at the 18 one end of fourth connecting rod and remove, it is spacing no longer to the clamping body 22 to make gag lever post 21, the clamping body 22 is on the rotor in centre gripping under pressure spring 23's effect, make the centrifuging tube rotate along with the rotor.

Two sides of the lower end cover 9 are engaged with screw rods 11 through threads, one end of each screw rod 11 is connected with a fixing plate 12 through a bearing, two sides of each fixing plate 12 are connected with fifth connecting rods 13 through bearings, the other end of each fifth connecting rod 13 is connected with a clamping block 14 through a bearing, and a clamping groove is formed in the shell 5; the screw 11 is screwed to drive the fixing plate 12 on the bearing connecting screw 11 to move, the fifth connecting rod 13 connected to two sides of the fixing plate 12 by the bearing is driven to rotate, the clamping block 14 connected to one end of the fifth connecting rod 13 by the bearing is driven to enter the clamping groove, and the fixing of the lower end cover 9 and the shell 5 is realized.

The working principle is as follows: the centrifugal sealing device has the advantages that the centrifugal tube is in a sealing state during centrifugation, the centrifugal tube is in an open state when the centrifugal tube is not centrifuged, the supporting and clamping dual-purpose device can be used as a support when the centrifugal tube is not centrifuged, the centrifugal tube can be used as a clamping device during centrifugation, the centrifugal tube is clamped on a rotating head, during centrifugation, the first sliding block 4 moves under the action of centrifugal force to drive the first connecting rod 3 in bearing connection with the first sliding block 4 to rotate, the first connecting rod 3 rotates to drive the second sliding block 7 in bearing connection with the rotating bearing of the first connecting rod 3 to move, the second connecting rod 2 in bearing connection with the second sliding block 7 is driven to rotate to drive the sealing plate 6 in bearing connection with the second connecting rod 2 to move, the centrifugal tube is in a sealing state, the pull rod 15 is manually pulled to drive the clamping arc 17 fixedly arranged at one end of the pull rod 15 to be far away from the lower end cover 9, the movable shell 10 can move, after the pull rod 15 is loosened, the centre gripping arc 17 resets under reset spring 16's effect, the portable housing 10 removes, it rotates with third connecting rod 19 that portable housing 10 bearing is connected to drive, drive backup pad 20 that is connected with third connecting rod 19 bearing rotates, simultaneously the portable housing 10 removes, it rotates to drive the fourth connecting rod 18 that the bearing is connected in its one side, it moves to drive the gag lever post 21 of bearing connection in fourth connecting rod 18 one end, it is spacing no longer to make gag lever post 21 to the clamp body 22, clamp body 22 is on the turn round under pressure spring 23's effect centre gripping, make the centrifuging tube can rotate along with the turn round, screw 11 is twisted, it removes to drive fixed plate 12 on the bearing connecting screw 11, it rotates to drive the bearing and connect at fixed plate 12 both sides fifth connecting rod 13, it enters the draw-in groove to drive the fixture block 14 that the bearing is connected at fifth connecting rod 13 one end, realize lower end cover 9 and casing 5's fixed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Centrifugal tube that can two-wayly open, including casing (5), its characterized in that: the lower extreme of casing (5) is provided with lower extreme cover (9), the both sides of casing (5) are provided with centrifugal sealing device, centrifugal sealing device includes fixed axle (1), one side sliding connection of fixed axle (1) has first slider (4), the both sides of lower extreme cover (9) are provided with the dual-purpose device of support centre gripping, the dual-purpose device of support centre gripping includes activity shell (10).

2. A tube according to claim 1 which is capable of being opened in both directions and which is characterized in that: the centrifugal sealing device comprises two sealing plates (6), the two sealing plates (6) are in sliding connection with the shell (5), and a first connecting rod (3) is connected to one side of the first sliding block (4) in a bearing mode.

3. A tube according to claim 2 which is capable of being opened in both directions and which is characterized in that: the bearing of one end of the first connecting rod (3) is connected with a second sliding block (7), a vertical shaft (8) is fixedly mounted on the fixed shaft (1), the other side of the second sliding block (7) bearing connected with the first connecting rod (3) is connected with a second connecting rod (2), and the bearing of the other end of the second connecting rod (2) is connected to the sealing plate (6).

4. A tube according to claim 3 which is openable in both directions and which is: support dual-purpose device backup pad of centre gripping (20), backup pad (20) bearing is connected the one end in bottom end cover (9), activity shell (10) cup joint in the outside of bottom end cover (9), the both sides of activity shell (10) all through connection have pull rod (15), the one end fixed mounting of pull rod (15) has centre gripping arc (17), one side welding of pull rod (15) has two reset spring (16), two the other end welding of reset spring (16) is on activity shell (10).

5. A tube according to claim 4 which is openable in both directions and which comprises: the lower extreme bearing of activity shell (10) is connected with third connecting rod (19), the other end bearing of third connecting rod (19) is connected on backup pad (20), the both ends bearing of activity shell (10) is connected with fourth connecting rod (18), the other end bearing of fourth connecting rod (18) is connected with gag lever post (21), one side fixed mounting of backup pad (20) has the slide shaft, one side sliding connection of slide shaft has cramping body (22), one side welding of cramping body (22) has two compression spring (23), two the other end welding of compression spring (23) is on backup pad (20).

6. A tube according to claim 5 which is openable in both directions and which comprises: screw rod (11) have been engaged with to the both sides screw thread of lower end cover (9), the one end bearing of screw rod (11) is connected with fixed plate (12), the both sides bearing of fixed plate (12) is connected with fifth connecting rod (13), the other end bearing of fifth connecting rod (13) is connected with fixture block (14), be provided with the draw-in groove on casing (5).