CN218924984U

CN218924984U - Laboratory centrifuge

Info

Publication number: CN218924984U
Application number: CN202223323210.3U
Authority: CN
Inventors: 杨桂防; 杨婷婷; 伏嘉豪
Original assignee: Wuhan New Long Test Technology Co ltd
Current assignee: Wuhan New Long Test Technology Co ltd
Priority date: 2022-12-11
Filing date: 2022-12-11
Publication date: 2023-04-28
Anticipated expiration: 2032-12-11

Abstract

The utility model relates to the technical field of centrifuges, in particular to a laboratory centrifuge. The technical proposal is as follows: including box and the lid of swivelling joint in the box upper end, the inside fixedly connected with of box transversely sets up the backup pad, the motor is installed to the bottom of backup pad, the output shaft of motor runs through backup pad and fixedly connected with dwang, the upper end fixedly connected with carousel of dwang, rectangular groove has been seted up to the upper surface of carousel, can dismantle the grafting in the rectangular groove has rectangular support block, rectangular support block's upper end fixedly connected with separating drum, separating drum's inside is provided with the filtration screen panel, separating drum's inside can be dismantled and be connected with the inner tube that is located the filtration screen panel inboard. According to the utility model, the inner cylinder is detachably arranged in the separating cylinder, and the filter screen is arranged between the separating cylinder and the inner cylinder, so that experimental samples with different properties can be separated, and the operation is simple and more practical.

Description

Laboratory centrifuge

Technical Field

The utility model relates to the technical field of centrifuges, in particular to a laboratory centrifuge.

Background

The centrifugal machine is a mechanical device for separating liquid from solid particles or each component in a liquid-liquid mixture by utilizing centrifugal force, and is mainly used for separating the solid particles from the liquid in suspension or separating two liquids which are different in density and are mutually insoluble in emulsion.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a laboratory centrifuge.

The technical scheme of the utility model is as follows: the utility model provides a laboratory centrifuge, includes the box and rotates the lid of connection in the box upper end, the inside fixedly connected with of box transversely sets up the backup pad, the motor is installed to the bottom of backup pad, the output shaft of motor runs through backup pad and fixedly connected with dwang, the upper end fixedly connected with carousel of dwang, rectangular groove has been seted up to the upper surface of carousel, can dismantle the grafting in the rectangular groove has the rectangle riding block, the upper end fixedly connected with separating drum of rectangle riding block, the inside of separating drum is provided with the filtration screen panel, the inside of separating drum can be dismantled and be connected with the inner tube that is located the filtration screen panel inboard.

Preferably, the inner wall of the lower end of the separating cylinder is provided with a thread groove, and the outer circumferential surface of the bottom end of the inner cylinder is provided with an external thread matched with the thread groove.

Preferably, the upper end of backup pad has seted up annular spout, the bottom fixedly connected with of carousel two balanced branches of symmetry setting, two equal sliding connection of balanced branch is in annular spout.

Preferably, the inside of box rotates and is connected with the lid plywood that is located the separating tube top, circular logical groove has been seted up to the upper surface of lid plywood, be connected with the closing plate through a plurality of sliders in the circular logical inslot, the closing plate is located directly over the separating tube, just the external diameter of closing plate is greater than the external diameter of separating tube.

Preferably, the upper ends of the separating cylinder, the filtering net cover and the inner cylinder are all positioned on the same horizontal plane, and the cover plate is put flat and then the sealing plate is contacted with the upper end of the separating cylinder.

Preferably, the lower surface of the cover body is connected with two pressing blocks which are symmetrically arranged, and the two pressing blocks are used for positioning the cover plate after the cover body is covered.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. through can dismantle the setting up the inner tube in separating drum, and set up the filter screen panel between separating drum and inner tube, when need to the serum centrifugal separation, install the inner tube in the inboard of filter screen panel, directly add the serum that needs to separate in the inner tube and carry out centrifugal separation, when need to separate solid-liquid test sample, take down the inner tube, then add the test sample in the filter screen panel and realize solid-liquid separation, this centrifuge can separate the test sample of different natures, easy operation, it is more practical;

2. through set up circular logical groove in lid plywood upper end, circular logical inslot circumference sliding connection a plurality of sliders, closing plate fixed connection is in the inboard of a plurality of sliders, and closing plate lid closes the upper end at the separating drum when centrifuging, can play sealed effect to the separating drum, and can not hinder the separating drum to rotate, prevents to spill over at the inside liquid of separating drum of centrifugal processing's in-process separating drum.

Drawings

FIG. 1 is a perspective view of a laboratory centrifuge;

FIG. 2 is a schematic view of the internal structure of the case of FIG. 1;

fig. 3 is a cross-sectional view of a separator cartridge according to the present utility model.

Reference numerals: 1. a case; 2. a cover body; 3. pressing blocks; 4. a support plate; 5. a turntable; 6. rectangular support blocks; 7. a separation cylinder; 8. a sealing plate; 9. covering the plate; 10. filtering the net cover; 11. an inner cylinder; 12. a thread groove; 13. an annular chute; 14. a motor; 15. a balance strut; 16. and rotating the rod.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-3, the laboratory centrifuge provided by the utility model comprises a box body 1 and a cover body 2 rotatably connected to the upper end of the box body 1, wherein a transversely arranged supporting plate 4 is fixedly connected to the inside of the box body 1, a motor 14 is installed at the bottom end of the supporting plate 4, an output shaft of the motor 14 penetrates through the supporting plate 4 and is fixedly connected with a rotating rod 16, the upper end of the rotating rod 16 is fixedly connected with a rotary table 5, a rectangular groove is formed in the upper surface of the rotary table 5, a rectangular supporting block 6 is detachably inserted in the rectangular groove, a separating cylinder 7 is fixedly connected to the upper end of the rectangular supporting block 6, a filter screen 10 is arranged in the separating cylinder 7, an inner cylinder 11 positioned inside the filter screen 10 is detachably connected to the inside of the separating cylinder 7, and the inner cylinder 11 is of a tubular structure with an opening at the upper end; the inner wall of the lower end of the separating cylinder 7 is provided with a thread groove 12, the outer circumferential surface of the bottom end of the inner cylinder 11 is provided with an external thread matched with the thread groove 12, so that the inner cylinder 11 is convenient to mount or dismount, centrifugal separation is carried out after the inner cylinder 11 is mounted, and filtering separation can be carried out after the inner cylinder 11 is dismounted;

specifically, the upper end of the supporting plate 4 is provided with an annular chute 13, the bottom end of the turntable 5 is fixedly connected with two symmetrically arranged balance struts 15, the two balance struts 15 are both in sliding connection in the annular chute 13, and further supporting effect is achieved on the turntable 5 in the centrifugal separation process, so that the stability of the turntable 5 is higher; the inside of the box body 1 is rotationally connected with a cover plate 9 positioned above the separating cylinder 7, the upper surface of the cover plate 9 is provided with a circular through groove, the circular through groove is internally connected with a sealing plate 8 through a plurality of sliding blocks, the sealing plate 8 is positioned right above the separating cylinder 7, the outer diameter of the sealing plate 8 is larger than that of the separating cylinder 7, the upper ends of the separating cylinder 7, the filter screen cover 10 and the inner cylinder 11 are all positioned on the same horizontal plane, the sealing plate 8 is contacted with the upper end of the separating cylinder 7 after the cover plate 9 is put flat, so that the sealing plate 8 can be completely covered on the upper end of the separating cylinder 7, the sealing plate 8 rotates along with the separating cylinder 7 when the separating cylinder 7 rotates, and samples in the separating cylinder 7 or the inner cylinder 11 are prevented from being thrown out in the centrifugal process; the lower surface of the cover body 2 is connected with two symmetrically arranged pressing blocks 3, and after the cover body 2 is covered, the two pressing blocks 3 are used for positioning the cover plate 9, so that the sealing plate 8 is stably covered at the upper end of the separating cylinder 7.

When the centrifugal separator is specifically used, the inner cylinder 11 is detachably arranged in the separating cylinder 7, the filtering net cover 10 is arranged between the separating cylinder 7 and the inner cylinder 11, when serum is required to be centrifugally separated, the inner cylinder 11 is arranged on the inner side of the filtering net cover 10, the serum required to be separated is directly added into the inner cylinder 11, the sealing plate 8 is covered and the starting motor 14 is used for centrifugally separating the serum, when solid-liquid experimental samples are required to be separated, the inner cylinder 11 is taken down, then the experimental samples are added into the filtering net cover 10, then the sealing plate 8 is covered and the starting motor 14 is covered, the separating cylinder 7 is driven to rotate, liquid of the experimental samples is separated to the outer side of the filtering net cover 10, solid particles are filtered inside the filtering net cover 10, solid-liquid separation is realized, the centrifugal separator can separate experimental samples with different properties, the centrifugal separator is easy to operate and is more practical, a plurality of sliding blocks are connected to the inner sides of the circular through grooves in a sliding mode, the sealing plate 8 is fixedly connected to the inner sides of the sliding blocks, and the sealing plate 8 is covered on the upper end of the separating cylinder 7 when the sealing plate 8 is required to separate solid-liquid experimental samples, the experimental samples are required to be separated, the experimental samples are driven to rotate, the separating cylinder 7 is separated, and the experimental samples are separated into the inner sides and the experimental samples are not required to rotate, and overflow the experimental samples.

The above-described embodiments are merely preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a laboratory centrifuge, includes box (1) and rotates lid (2) of connecting in box (1) upper end, its characterized in that:

the inside fixedly connected with transversely sets up backup pad (4) of box (1), motor (14) are installed to the bottom of backup pad (4), the output shaft of motor (14) runs through backup pad (4) and fixedly connected with dwang (16), the upper end fixedly connected with carousel (5) of dwang (16), rectangular groove has been seted up to the upper surface of carousel (5), and detachable grafting has rectangle riding block (6) in the rectangular groove, the upper end fixedly connected with separating drum (7) of rectangle riding block (6), the inside of separating drum (7) is provided with filter screen (10), the inside detachable connection of separating drum (7) has inner tube (11) that are located filter screen (10) inboard.

2. The laboratory centrifuge according to claim 1, characterized in that the inner wall of the lower end of the separating cylinder (7) is provided with a thread groove (12), and the outer circumferential surface of the bottom end of the inner cylinder (11) is provided with an external thread matched with the thread groove (12).

3. Laboratory centrifuge according to claim 2, characterized in that the upper end of the support plate (4) is provided with an annular chute (13), the bottom end of the turntable (5) is fixedly connected with two symmetrically arranged balancing struts (15), and the two balancing struts (15) are both slidingly connected in the annular chute (13).

4. The laboratory centrifuge according to claim 1, characterized in that a cover plate (9) located above the separating tube (7) is rotatably connected to the inside of the box body (1), a circular through groove is formed in the upper surface of the cover plate (9), a sealing plate (8) is connected to the circular through groove through a plurality of sliding blocks, and the outer diameter of the sealing plate (8) is larger than the outer diameter of the separating tube (7).

5. Laboratory centrifuge according to claim 4, characterized in that the upper ends of the separating cylinder (7), the filter screen (10) and the inner cylinder (11) are all located on the same horizontal plane, and the sealing plate (8) is in contact with the upper end of the separating cylinder (7) after the cover plate (9) is flattened.

6. The laboratory centrifuge according to claim 4, wherein two symmetrically arranged pressing blocks (3) are connected to the lower surface of the cover body (2), and the two pressing blocks (3) position the cover plate (9) after the cover body (2) is covered.