CN218690505U

CN218690505U - High-speed refrigerated centrifuge

Info

Publication number: CN218690505U
Application number: CN202222674466.2U
Authority: CN
Inventors: 刘宽; 刘佳佳; 杨明静
Original assignee: Wuhan Jianhao Biotechnology Co ltd
Current assignee: Wuhan Jianhao Biotechnology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-24
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a high-speed refrigerated centrifuge, which comprises a centrifuge main body, wherein a centrifugal chamber is arranged at the top of the centrifuge main body, a shaft lever is arranged in the centrifugal chamber in a rotating manner, a plurality of first supporting plates and second supporting plates which are distributed radially are fixedly connected on the circumferential surface of the shaft lever, a bush is fixed at the outer end part of each second supporting plate, and a pipe clamping mechanism is arranged at the outer end part of each first supporting plate; the motor through drive disk rotates, the relative distance that pinch roller and rotary disk central point put on the clamping part of adjustment, when the relative distance increase of pinch roller and rotary disk central point put, can be convenient for pass the rotary disk with the test tube and place on the bush, when the relative distance that pinch roller and rotary disk central point put reduces, the pinch roller can be close to rotary disk central point gradually, until conflicting on test tube outside periphery, keep the clamping-force to the test tube, can prevent to appear rocking in centrifugal process, the protection test tube can not bump and cause the harm.

Description

High-speed refrigerated centrifuge

Technical Field

The utility model belongs to the technical field of centrifuge is relevant, concretely relates to high-speed refrigerated centrifuge.

Background

The high-speed freezing centrifugal machine is a special equipment for quickly separating mixed liquid, can be extensively used in the units of scientific research, gene engineering, genetics, life science, biochemistry, medical treatment, etc. to make the works of chemical examination, biochemical test and separation of suspension, etc.

The application number is CN202020972547.9, which comprises a centrifuge main body, wherein a sealing cover is movably mounted at the upper end of the centrifuge main body, a centrifugal chamber is arranged below the sealing cover inside the centrifuge main body, a rotating shaft penetrates through the inside of the centrifugal chamber, a control panel is obliquely mounted at the front end of the centrifuge main body, and one end of the rotating shaft is provided with a clamping mechanism; this centrifuge can be fixed with the upper end of test tube, and fixed relatively firm is applicable to the test tube of different thicknesses and uses, and the operation is more convenient, avoids high-speed rotatory in-process test tube bottom slope.

However, in practice, the centrifuge technology described above has been found to have the following problems: above-mentioned centrifuge adopts the manual knob of twisting, and loading and unloading test tube at every turn all need twist repeatedly and twist the knob, and owing to for saving centrifugal cost, at every turn the centrifugation needs carry out a plurality of test tubes and goes on simultaneously, therefore this kind of fixed mode operation is very inconvenient, and efficiency is very low, in addition, because manual error, receives the dynamics when the knob is twisted and differs, leads to some test tubes fixed not tightly and not hard up easily when the centrifugation, causes the breakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed refrigerated centrifuge to solve the inconvenient not tight problem of fixing with artifical error test tube of the fixed operation of test tube that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-speed refrigerated centrifuge, includes the centrifuge main part, the centrifugal chamber has been seted up at the top of centrifuge main part, the centrifugal chamber internal rotation is provided with the axostylus axostyle, first backup pad and the second backup pad of fixedly connected with a plurality of radial distribution on the periphery of axostylus axostyle, the outer tip of second backup pad is fixed with the bush, the outer tip of first backup pad is provided with double-layered tub of mechanism, double-layered tub of mechanism and bush correspond the setting from top to bottom, double-layered tub of mechanism includes the fixed disk, the top of fixed disk is rotated and is provided with the rotary disk, the top of double-layered tub of mechanism is provided with around the clamping component of rotary disk annular distribution, the bottom of fixed disk is provided with and is used for ordering about the rotary disk rotation and carries out the tight transmission part of clamp by clamping component to test tube upper portion.

Preferably, the rotary disk comprises a compression ring and a chassis, the chassis is rotatably connected with the fixed disk, the top surface of the chassis is fixedly connected with a plurality of connecting blocks distributed annularly, and the top surface of each connecting block is fixedly connected with the compression ring.

Preferably, the fixed disc and the chassis are concentrically arranged, and a circular hole which is communicated up and down is formed in the centers of the fixed disc and the chassis.

Preferably, clamping part includes the slide, the top surface at the fixed disk is fixed to the slide, the top sliding connection of slide has the slider, the first pivot of top surface fixedly connected with of slider, the top outside of first pivot articulates there is the connecting rod, the one end that first pivot was kept away from to the connecting rod articulates there is the second pivot, the connecting rod is located the bottom surface fixedly connected with pinch roller of second pivot one end.

Preferably, the top end of the second rotating shaft is fixedly connected with the bottom surface of the pressing ring.

Preferably, the connecting rod penetrates through the space between two adjacent connecting blocks and extends into the round hole.

Preferably, the second rotating shaft and the pressing wheel are eccentrically arranged.

Preferably, the transmission part comprises a motor, the motor is fixedly installed on the bottom surface of the fixed disc, and an output shaft end of the motor is fixedly connected with a gear.

Preferably, the output shaft of the motor penetrates through the fixed disc and is rotatably connected with the fixed disc.

Preferably, a section of tooth section is fixedly arranged on the outer circumferential surface of the chassis, and the gear is meshed with the tooth section.

Compared with the prior art, the utility model provides a high-speed refrigerated centrifuge possesses following beneficial effect:

1. the utility model discloses a motor of drive disk assembly drives the rotary disk and rotates, adjust the relative distance of pinch roller and rotary disk central point on the clamping part, when the relative distance of pinch roller and rotary disk central point put increases, can be convenient for pass the rotary disk with the test tube and place on the bush, when the relative distance of pinch roller and rotary disk central point put reduces, the pinch roller can be close to rotary disk central point gradually, until conflicting on the periphery outside the test tube, keep the clamping-force to the test tube, can prevent to rock in the centrifugation process, the protection test tube can not collide and cause the harm;

2. the utility model discloses the pinch roller adopts the elasticity material, when keeping having certain clamping-force to the test tube, can not cause the test tube breakage because of adding the holding power degree too greatly.

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, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a high-speed refrigerated centrifuge according to the present invention;

fig. 2 is a schematic view of a partial structure of the shaft rod provided by the present invention;

fig. 3 is a schematic structural view of a pipe clamping mechanism provided by the present invention;

fig. 4 is a schematic structural view of a clamping member according to the present invention;

in the figure: 1. a centrifuge body; 2. a centrifugal chamber; 3. a shaft lever; 4. a first support plate; 5. a pipe clamping mechanism; 51. fixing the disc; 52. rotating the disc; 521. pressing a ring; 522. connecting blocks; 523. a chassis; 53. a transmission member; 531. a motor; 532. a gear; 533. a tooth segment; 54. a clamping member; 541. a slide base; 542. a connecting rod; 543. a slider; 544. a first rotating shaft; 545. a second rotating shaft; 546. a pinch roller; 6. a second support plate; 7. a bushing.

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 and fig. 2, the present invention provides a technical solution: the utility model provides a high-speed refrigerated centrifuge, including centrifuge body 1, centrifuge chamber 2 has been seted up at centrifuge body 1's top, set up high-speed centrifugal motor in the

centrifuge chamber

2, 2 internal rotations in centrifuge chamber are provided with axostylus axostyle 3, axostylus axostyle 3 is driven by centrifuge motor in centrifuge chamber 2 and is carried out high-speed rotation, first backup pad 4 and the second backup pad 6 of fixedly connected with a plurality of radial distribution on axostylus axostyle 3's the periphery, the outer tip of second backup pad 6 is fixed with bush 7, the round platform structure is adopted to bush 7, inside cavity, form from last to the recess of closing gradually extremely down, be used for spacing to the test tube bottom, the outer tip of first backup pad 4 is provided with clamp pipe mechanism 5, clamp pipe mechanism 5 corresponds the setting from top to bottom with bush 7, carry out the clamping and spacing to the test tube about respectively through clamp pipe mechanism 5 and bush 7, and then keep the stability of test tube.

Referring to fig. 3, the tube clamping mechanism 5 includes a fixed disk 51, a rotating disk 52 is rotatably disposed above the fixed disk 51, the rotating disk 52 includes a pressing ring 521 and a bottom disk 523, the bottom disk 523 is rotatably connected with the fixed disk 51, a plurality of annularly distributed connecting blocks 522 are fixedly connected to a top surface of the bottom disk 523, a top surface of the connecting blocks 522 is fixedly connected with the pressing ring 521, the fixed disk 51 and the bottom disk 523 are concentrically disposed, and a vertically through circular hole is formed in centers of the fixed disk 51 and the bottom disk 523, and is used for a test tube to pass through the circular hole in the center of the fixed disk 51 and the bottom disk 523.

Referring to fig. 4, a clamping unit 54 annularly distributed around the rotating disk 52 is disposed at the top of the tube clamping mechanism 5, the clamping unit 54 includes a sliding seat 541, the sliding seat 541 is fixed on the top surface of the fixed disk 51, a sliding block 543 is slidably connected to the top of the sliding seat 541, a first rotating shaft 544 is fixedly connected to the top surface of the sliding block 543, a connecting rod 542 is hinged to the outer side of the top of the first rotating shaft 544, a second rotating shaft 545 is hinged to one end of the connecting rod 542 away from the first rotating shaft 544, a pressing wheel 546 is fixedly connected to the bottom surface of the connecting rod 542 at one end of the second rotating shaft 545, the pressing wheel 546 is made of an elastic material, so that the test tube cannot be broken due to an excessively large clamping force while the connecting rod 542 is kept, the top end of the second rotating shaft 545 is fixedly connected to the bottom surface of the pressing ring 545, the connecting rod 522 passes through between two adjacent connecting blocks and extends into the circular hole, and the second rotating shaft 545 and the pressing wheel 546 are eccentrically disposed.

Referring to fig. 3, the bottom of the fixed tray 51 is provided with a transmission member 53 for driving the rotating tray 52 to rotate and clamping the upper portion of the test tube by the clamping member 54, the transmission member 53 includes a motor 531, the motor 531 is fixedly mounted on the bottom surface of the fixed tray 51, an output shaft of the motor 531 is fixedly connected with a gear 532, the output shaft of the motor 531 penetrates through the fixed tray 51 and is rotatably connected with the fixed tray 51, a section of tooth 533 is fixedly arranged on the outer circumferential surface of the chassis 523, and the gear 532 is meshed with the tooth 533.

The utility model discloses a theory of operation and use flow: when the test tube testing machine is used, the gear 532 is driven to rotate by the operation of the motor 531, the rotating disc 52 is driven to rotate anticlockwise (in the direction shown in fig. 3) by the meshing relationship between the gear 532 and the tooth segment 533, and the second rotating shaft 545 is driven to rotate synchronously with the rotating disc 52, in the process, the second rotating shaft 545 drives the connecting rod 542 to pull the sliding block 543 at the bottom of the first rotating shaft 544 to approach to the center of the rotating disc 52 on the sliding seat 541, so that the connecting rod 542 rotates clockwise (in the direction shown in fig. 4) relative to the first rotating shaft 544, and as the second rotating shaft 545 and the pressure wheel 546 are eccentrically arranged, the pressure wheel 546 is gradually far away from the center of the rotating disc 52, so that the clamping width of each pressure wheel 546 is gradually increased, a test tube can conveniently pass through the center of the rotating disc 52, and the bottom of the test tube can be placed in the bushing 7 below;

then, the motor 531 works in a reverse rotation mode, so that the rotating disc 52 is driven to rotate clockwise (in the direction shown in fig. 3), the connecting rod 542 rotates counterclockwise (in the direction shown in fig. 4) relative to the first rotating shaft 544, the pressing wheel 546 gradually approaches to the center of the rotating disc 52 until the pressing wheel collides with the outer circumferential surface of the test tube, the clamping force is kept on the test tube, and shaking in the centrifugal process is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-speed refrigerated centrifuge, includes centrifuge main part (1), centrifugal chamber (2) have been seted up at the top of centrifuge main part (1), centrifugal chamber (2) internal rotation is provided with axostylus axostyle (3), its characterized in that: the test tube clamping device is characterized in that a plurality of first supporting plates (4) and second supporting plates (6) which are distributed in the radial direction are fixedly connected to the circumferential surface of the shaft rod (3), a bushing (7) is fixed to the outer end portion of the second supporting plate (6), a tube clamping mechanism (5) is arranged at the outer end portion of the first supporting plate (4), the tube clamping mechanism (5) and the bushing (7) are arranged in a vertically corresponding mode, the tube clamping mechanism (5) comprises a fixed disc (51), a rotating disc (52) is rotatably arranged above the fixed disc (51), clamping components (54) which are distributed annularly around the rotating disc (52) are arranged at the top of the tube clamping mechanism (5), and a transmission component (53) which is used for driving the rotating disc (52) to rotate and clamping the upper portion of a test tube through the clamping components (54) is arranged at the bottom of the fixed disc (51).

2. A high speed refrigerated centrifuge as recited in claim 1 wherein: the rotary disc (52) comprises a compression ring (521) and a chassis (523), the chassis (523) is rotatably connected with a fixed disc (51), the top surface of the chassis (523) is fixedly connected with a plurality of connecting blocks (522) distributed annularly, and the top surface of each connecting block (522) is fixedly connected with the compression ring (521).

3. A high speed refrigerated centrifuge as recited in claim 2 wherein: the fixed disk (51) and the chassis (523) are arranged concentrically, and a circular hole which is communicated up and down is formed in the centers of the fixed disk (51) and the chassis (523).

4. A high speed refrigerated centrifuge as recited in claim 3 wherein: clamping part (54) include slide (541), the top surface at fixed disk (51) is fixed in slide (541), the top sliding connection of slide (541) has slider (543), the first pivot (544) of top surface fixedly connected with of slider (543), the top outside of first pivot (544) articulates there is connecting rod (542), the one end that first pivot (544) was kept away from in connecting rod (542) articulates there is second pivot (545), bottom surface fixedly connected with pinch roller (546) that connecting rod (542) are located second pivot (545) one end.

5. A high speed refrigerated centrifuge as recited in claim 4 wherein: the top end of the second rotating shaft (545) is fixedly connected with the bottom surface of the pressing ring (521).

6. A high speed refrigerated centrifuge as recited in claim 4 wherein: the connecting rod (542) penetrates between two adjacent connecting blocks (522) and extends into the round hole.

7. A high speed refrigerated centrifuge as recited in claim 4 wherein: the second rotating shaft (545) and the pressure wheel (546) are eccentrically arranged.

8. A high speed refrigerated centrifuge as recited in claim 1 wherein: the transmission part (53) comprises a motor (531), the motor (531) is fixedly installed on the bottom surface of the fixed disc (51), and a gear (532) is fixedly connected to the output shaft end of the motor (531).

9. A high speed refrigerated centrifuge as recited in claim 8 wherein: an output shaft of the motor (531) penetrates through the fixed disc (51) and is rotationally connected with the fixed disc (51).

10. A high speed refrigerated centrifuge as recited in claim 2 wherein: a section of tooth section (533) is fixedly arranged on the outer circumferential surface of the chassis (523), and the gear (532) is meshed with the tooth section (533).