CN219943224U - Anti-splashing test tube centrifuge - Google Patents

Abstract

The utility model discloses an anti-splashing test tube centrifuge, which comprises a mounting seat and a protection cylinder, wherein the inner bottom wall of the mounting seat is rotationally connected with a rotary disk, the upper end of the rotary disk is fixedly connected with a connecting rod, the surface of the connecting rod is sleeved with a lifting plate, the surface of the lifting plate is provided with a limiting component capable of limiting the movement of the lifting plate, the upper end of the connecting rod is fixedly connected with a limiting plate, the upper surface of the limiting plate is provided with a through groove, and the inner wall of the through groove is inserted with a limiting ring. According to the test tube centrifugal force test tube fixing device, the adaptive limiting cylinder and limiting ring are selected according to the diameter of the test tube, the limiting cylinder and the limiting ring are placed in the placing groove and the through groove respectively, the test tube is inserted into the limiting ring and the limiting cylinder, the protection cylinder and the mounting seat are assembled into a whole, the locking bolt is rotated to drive the limiting groove to be in contact with the upper end of the test tube, so that the test tube can be clamped between the pressing plate and the limiting cylinder, the limiting ring is used for limiting the test tube, the test tube is prevented from swinging left and right, and the stability of the test tube during centrifugation can be improved.

Description

Anti-splashing test tube centrifuge

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a test tube centrifuge capable of preventing splashing.

Background

Patent grant publication number CN212418341U discloses a test tube centrifuge who prevents splashing, the on-line screen storage device comprises a base, be provided with centrifugal shell on the base, the rotation is provided with the rotary drum in the centrifugal shell, the rotary drum becomes cylindrical structure, the up end of rotary drum is provided with a plurality of upper end open-ended test tube jacks, evenly install a plurality of clamp shrapnel that are used for pressing from both sides tight test tube on the inner wall of test tube jack, clamp shrapnel both ends and test tube jack inner wall fastening connection, clamp the centre of shell fragment inwards arching, the laminating is at the test tube outer wall, clamp the shell fragment and support one side of leaning on the test tube and be provided with the silica gel layer. The device can clamp the test tube through the clamping elastic sheet, and liquid splashing is prevented.

But centrifuge can produce great centrifugal force when high-speed rotation to can order about the test tube atress to drive and press from both sides tight shell fragment and take place deformation, make the test tube that is in the test tube jack take place to remove, lead to the device to have following defect when using: if the clamping elastic sheet deforms to cause the test tube to move, the centrifugal machine can lose balance to generate vibration, so that the test tube is broken. Therefore, a tube centrifuge with strong tube fixing stability is provided.

Disclosure of Invention

The utility model aims to provide a test tube centrifuge capable of preventing splashing, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a test tube centrifuge who prevents splashing, includes mount pad and protective tube, the interior bottom wall of mount pad rotates and is connected with the rotary disk, the upper end fixedly connected with connecting rod of rotary disk, the surface cover of connecting rod is equipped with lifts the board, it is provided with the spacing subassembly that can restrict to lift the board and remove to lift the surface of board, the upper end fixedly connected with limiting plate of connecting rod, logical groove has been seted up to the limiting plate upper surface, the limiting ring has been pegged graft to the inner wall of logical groove, the standing groove has been seted up to the upper surface of lifting the board, the inner wall of standing groove has been inserted and has been equipped with a spacing tube, the upper surface threaded connection of protective tube has the lock bolt, the lower extreme of lock bolt extends to the inside of protective tube, rotate and be connected with the pressure board, the limiting groove has been seted up to the lower surface of pressure board.

Preferably, the materials of the limiting ring, the limiting cylinder and the pressing plate are all rubber, and the lower end of the limiting cylinder is arranged into an arc shape.

Preferably, the surface of mount pad has seted up the external screw thread, and the internal screw thread with external screw thread looks adaptation has been seted up to the inner wall of protective cylinder, and the material of protective cylinder is transparent ya keli board.

Preferably, a motor is embedded in the inner bottom wall of the mounting seat, the output end of the motor is fixedly connected with the lower end of the rotating disk, and a V-shaped circular groove is formed in the inner bottom wall of the mounting seat.

Preferably, the limiting component comprises a connecting cylinder fixedly arranged on the lower surface of the lifting plate, a spring jacket is slidably connected to the inner wall of the connecting cylinder, a lock nut is connected to the surface of the connecting cylinder in a threaded manner, the shape of the spring jacket is a conical shape, and a conical groove matched with the spring jacket is formed in the inner wall of the connecting cylinder.

Preferably, the inner walls of the spring jacket, the connecting cylinder and the lock nut are all in sliding connection with the surface of the connecting rod.

Compared with the prior art, the utility model has the following advantages:

1. according to the test tube centrifugal force test tube fixing device, the adaptive limiting cylinder and limiting ring are selected according to the diameter of the test tube, the limiting cylinder and the limiting ring are placed in the placing groove and the through groove respectively, the test tube is inserted into the limiting ring and the limiting cylinder, the protection cylinder and the mounting seat are assembled into a whole, the locking bolt is rotated to drive the limiting groove to be in contact with the upper end of the test tube, so that the test tube can be clamped between the pressing plate and the limiting cylinder, the limiting ring is used for limiting the test tube, the test tube is prevented from swinging left and right, and the stability of the test tube during centrifugation can be improved.

2. According to the utility model, the limiting assembly is arranged, the lifting plate is pulled to enable the lifting plate to slide on the surface of the connecting rod, so that the distance between the lifting plate and the pressing plate can be adjusted, then the locking nut is screwed to drive the spring jacket to clamp the connecting rod, so that the lifting plate can be fixed, and test tubes with different lengths can be placed.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic illustration of a front cross-sectional structure of a mounting base according to the present utility model;

fig. 3 is a schematic front sectional view of a protective cylinder according to the present utility model.

In the figure: the device comprises a mounting seat 1, a protection cylinder 2, a rotary disk 3, a connecting rod 4, a lifting plate 5, a limiting plate 6, a limiting ring 7, a limiting cylinder 8, a locking bolt 9, a pressing plate 10, a motor 11, a connecting cylinder 12, a spring jacket 13 and a locking nut 14.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, a test tube centrifuge capable of preventing splashing comprises a mounting seat 1 and a protective cylinder 2, wherein external threads are formed on the surface of the mounting seat 1, internal threads matched with the external threads are formed on the inner wall of the protective cylinder 2, the protective cylinder 2 is made of a transparent acrylic plate, and the internal threads on the inner wall of the protective cylinder 2 are screwed into the external threads on the surface of the mounting seat 1, so that the mounting seat 1 and the protective cylinder 2 can be assembled into a whole.

The inner bottom wall of mount pad 1 rotates and is connected with rotary disk 3, and the upper end fixedly connected with connecting rod 4 of rotary disk 3, and the surface cover of connecting rod 4 is equipped with lifts board 5, and the upper surface threaded connection of protection section of thick bamboo 2 has locking bolt 9, and locking bolt 9's lower extreme extends to the inside of protection section of thick bamboo 2, and the rotation is connected with and supports clamp plate 10, and spacing groove has been seted up to spacing ring 7, spacing section of thick bamboo 8 and the material of supporting clamp plate 10 for rubber, supports clamp plate 10's lower surface.

The upper end fixedly connected with limiting plate 6 of connecting rod 4, logical groove has been seted up to limiting plate 6 upper surface, and the inner wall in logical groove has pegged graft and has been had spacing ring 7, and the standing groove has been seted up to the upper surface of lifting plate 5, and the inner wall in standing groove has been pegged graft and has been equipped with spacing section of thick bamboo 8, and the lower extreme of spacing section of thick bamboo 8 sets up to the circular arc.

According to the tube diameter selection adaptation spacing section of thick bamboo 8 and spacing ring 7 then put into standing groove and logical inslot respectively spacing section of thick bamboo 8 and spacing ring 7, insert spacing ring 7 and spacing section of thick bamboo 8 with the test tube again in, later assemble protective cylinder 2 as an organic whole with mount pad 1, rotate locking bolt 9 order about spacing groove and test tube upper end contact to can with the test tube centre gripping between support clamp plate 10 and spacing section of thick bamboo 8.

The surface of lifting plate 5 is provided with the spacing subassembly that can restrict lifting plate 5 to remove, spacing subassembly includes connecting cylinder 12 of fixed mounting at lifting plate 5 lower surface, the inner wall sliding connection of connecting cylinder 12 has spring jacket 13, the surface threaded connection of connecting cylinder 12 has lock nut 14, the shape of spring jacket 13 sets up to the cone, the conical tank with spring jacket 13 looks adaptation is seted up to the inner wall of connecting cylinder 12, spring jacket 13, the inner wall of connecting cylinder 12 and lock nut 14 all with connecting rod 4's surface sliding connection.

The lifting plate 5 is pulled to enable the lifting plate 5 to slide on the surface of the connecting rod 4, so that the distance between the lifting plate 5 and the pressing plate 10 can be adjusted, then the locking nut 14 is screwed down to drive the spring jacket 13 to clamp the connecting rod 4, so that the lifting plate 5 can be fixed, and test tubes with different lengths can be placed.

The interior bottom wall of mount pad 1 inlays and is equipped with motor 11, and motor 11's output and rotary disk 3's lower extreme fixed connection, with test tube centre gripping back, driving motor 11 can drive rotary disk 3 and rotate to can order about connecting rod 4, lift board 5 and limiting plate 6 rotate, and then can make the test tube high-speed rotatory centrifugation, utilize to support clamp plate 10 and spacing section of thick bamboo 8 to carry out the centre gripping to the test tube, and utilize spacing ring 7 to carry out spacingly to it, thereby can avoid the test tube to swing about the test tube when centrifuging, and then can improve the stability of test tube when centrifuging.

The using steps are as follows: firstly, the distance between the lifting plate 5 and the pressing plate 10 is adjusted according to the length of a test tube, then a lock nut 14 is screwed to drive a spring jacket 13 to contact with a conical groove and shrink, so that a connecting rod 4 can be clamped, then the lifting plate 5 can be fixed, afterwards, an adaptive limit cylinder 8 and a limit ring 7 are selected according to the diameter of the test tube, then the limit cylinder 8 and the limit ring 7 are respectively placed in a placing groove and a through groove, then the test tube is inserted into the limit ring 7 and the limit cylinder 8, then the internal thread of the inner wall of a protective cylinder 2 is screwed into the external thread on the surface of a mounting seat 1, so that the mounting seat 1 and the protective cylinder 2 can be assembled into a whole, a rotary lock bolt 9 is rotated to drive the limit groove to be contacted with the upper end of the test tube, so that the test tube can be clamped between the pressing plate 10 and the limit cylinder 8, a driving motor 11 can drive a rotary disk 3 to rotate, so that the connecting rod 4, the lifting plate 5 and the limit plate 6 can be rotated, and the test tube can be centrifuged at a high speed, the test tube is clamped by the pressing plate 8, and the test tube is limited by the limit ring 7, and the test tube can be prevented from swinging left and right during centrifugation, and stability of the test tube can be improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a prevent test tube centrifuge that splashes, includes mount pad (1) and protection section of thick bamboo (2), its characterized in that: the inner bottom wall of mount pad (1) rotates and is connected with rotary disk (3), the upper end fixedly connected with connecting rod (4) of rotary disk (3), the surface cover of connecting rod (4) is equipped with lifts board (5), the surface of lifting board (5) is provided with the spacing subassembly that can restrict and lift board (5) removal, the upper end fixedly connected with limiting plate (6) of connecting rod (4), logical groove has been seted up to limiting plate (6) upper surface, peg graft in logical groove's inner wall has spacing ring (7), the standing groove has been seted up to lifting board (5) upper surface, spacing section of thick bamboo (8) have been inserted to the inner wall of standing groove, the upper surface threaded connection of protective cylinder (2) has locking bolt (9), the lower extreme of locking bolt (9) extends to the inside of protective cylinder (2), rotate and be connected with and support clamp plate (10), the limiting groove has been seted up to the lower surface of support clamp plate (10).

2. The splash-proof tube centrifuge of claim 1, wherein: the limiting rings (7), the limiting cylinders (8) and the pressing plates (10) are made of rubber, and the lower ends of the limiting cylinders (8) are arranged into circular arcs.

3. The splash-proof tube centrifuge of claim 1, wherein: external threads are formed on the surface of the mounting seat (1), internal threads matched with the external threads are formed on the inner wall of the protective cylinder (2), and the protective cylinder (2) is made of a transparent acrylic plate.

4. The splash-proof tube centrifuge of claim 1, wherein: the motor (11) is embedded in the inner bottom wall of the mounting seat (1), the output end of the motor (11) is fixedly connected with the lower end of the rotating disc (3), and the V-shaped circular groove is formed in the inner bottom wall of the mounting seat (1).

5. The splash-proof tube centrifuge of claim 1, wherein: the limiting assembly comprises a connecting cylinder (12) fixedly arranged on the lower surface of the lifting plate (5), a spring jacket (13) is slidably connected to the inner wall of the connecting cylinder (12), a lock nut (14) is connected to the surface of the connecting cylinder (12) in a threaded mode, the shape of the spring jacket (13) is set to be a conical shape, and a conical groove matched with the spring jacket (13) is formed in the inner wall of the connecting cylinder (12).

6. The splash-proof tube centrifuge of claim 5, wherein: the inner walls of the spring jacket (13), the connecting cylinder (12) and the lock nut (14) are all in sliding connection with the surface of the connecting rod (4).