Centrifugal pan structure of centrifugal machine

Abstract

The centrifugal pan structure of the centrifugal machine comprises a circular centrifugal pan located in an inner cavity of the centrifugal machine, the surface of the circular centrifugal pan is fixedly connected with a rectangular frame, a plurality of second inserting holes are annularly distributed in the inner wall of the circular centrifugal pan, and a plurality of first inserting holes are annularly distributed in the inner wall of the rectangular frame. A connecting pin is fixedly connected to an inner cavity of the circular centrifugal disc, a connecting sleeve is arranged at the bottom of the circular centrifugal disc, and a locking assembly is arranged between the connecting pin and the connecting sleeve. According to the utility model, the bullet EP tube and the row tube are respectively inserted into the inner cavities of the second insertion hole and the first insertion hole to fix the centrifugal tube, the centrifugal machine and the driving shaft are matched for use to centrifuge a sample, and the connecting pin, the connecting sleeve and the locking component are matched for use, so that the sample can be centrifuged. And the circular centrifugal disc and the rectangular frame can be quickly disassembled and assembled for replacement, so that the purposes of convenience in disassembly and assembly and wide types of adaptive centrifugal tubes can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to centrifugal testing technical field, especially, relate to a centrifuge centrifugal disc structure. BACKGROUND

[0002] The centrifugal machine is a kind of equipment for laboratory testing and analysis, mainly used for separating, purifying or analyzing different components in sample, it produces centrifugal force by high-speed rotation, and the solid particles or liquid in sample are layered or precipitated according to its density, particle size and other physical properties, so as to realize the purpose of separation, in medical examination, it can be used for blood component separation, urine analysis etc.

[0003] In the medical detection process, the centrifuge is commonly used important equipment, and the centrifugal disc structure is relatively complex in installation and disassembly, is not conducive to quick replacement and maintenance, affects work efficiency, and the adaptability to different types of centrifuge tubes is poor, often only specific type of centrifuge tube can be adapted, cannot satisfy diversified detection demand, for this, a centrifuge centrifugal disc structure is needed, adopts quick dismounting structure, can quickly complete the replacement of centrifugal disc, adapts diversified detection demand, and simultaneously is equipped with multiple centrifuge tube insertion holes, to facilitate user to position different types of centrifuge tubes. UTILITY MODEL CONTENT

[0004] The utility model discloses a centrifuge centrifugal disc structure, adopts quick dismounting structure, can quickly complete the replacement of centrifugal disc, adapts diversified detection demand, and simultaneously is equipped with multiple centrifuge tube insertion holes, to facilitate user to position different types of centrifuge tubes, to solve above-mentioned technical problem.

[0005] The utility model discloses a centrifuge centrifugal disc structure, including the circular centrifugal disc in the inner chamber of centrifuge: the surface fixedly connected with rectangular frame of circular centrifugal disc, the inner wall annular distribution of circular centrifugal disc has a plurality of second insertion holes, the inner wall annular distribution of rectangular frame has a plurality of first insertion holes, the inner chamber fixedly connected with connecting pin of circular centrifugal disc, the bottom of circular centrifugal disc is provided with connecting sleeve, be provided with locking assembly between connecting pin and connecting sleeve, the locking assembly includes the rectangular slide groove of being set in the both sides of connecting pin, the inner chamber sliding connection of rectangular slide groove is limited to card piece, the both sides of connecting sleeve inner chamber are all set up limit card hole, the bottom end of limit card piece is clamped in the inner chamber of limit card hole.

[0006] Preferably, the opposite side of the two limit card pieces is welded with a spring, and the end of the spring away from the limit card piece is welded with the inner wall of the rectangular slide groove.

[0007] Preferably, the front side and the rear side of the connecting pin are provided with alignment concaves, and the front side and the rear side of the inner cavity of the connecting sleeve are provided with alignment planes matched with the alignment concaves

[0008] Preferably, the inner cavity of the centrifuge is provided with a driving shaft, the bottom end of the driving shaft is fixedly connected with the output shaft of the internal motor of the centrifuge, and the top of the driving shaft is fixedly connected with the bottom of the connecting sleeve.

[0009] Preferably, the inner wall of the first insertion hole and the second insertion hole is fixedly connected with an anti-skid ring, and the anti-skid ring is a rubber ring.

[0010] The centrifuge has the advantages that:

[0011] 1. The bullet head EP pipe and the row pipe are respectively inserted into the inner cavities of the second insertion hole and the first insertion hole to fix the centrifugal tube, the centrifuge and the driving shaft are used in cooperation to centrifuge the sample, the connecting pin, the connecting sleeve and the locking assembly are used in cooperation to quickly disassemble and replace the circular centrifugal disc and the rectangular frame, and the centrifugal tube can be conveniently disassembled and matched with a wide variety of centrifugal tubes.

[0012] 2. The spring is arranged to elastically push the limiting clamping pieces, so that the two limiting clamping pieces can positively limit the movement of the inner cavities of the limiting clamping holes, and the limiting clamping pieces and the limiting clamping holes are stably clamped and limited.

[0013] 3. The anti-skid ring is arranged to increase the friction between the surface of the centrifugal tube and the inner walls of the first insertion hole and the second insertion hole, so that the centrifugal tube can be stably inserted into the inner cavities of the first insertion hole or the second insertion hole, and the stability of the centrifugal tube in the centrifugal process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Among them:

[0015] Figure 1 It is a three-dimensional schematic view of an embodiment of the utility model;

[0016] Figure 2 It is a three-dimensional schematic view of a centrifuge of an embodiment of the utility model;

[0017] Figure 3 It is an exploded view of a connecting pin, a connecting sleeve and a locking assembly of an embodiment of the utility model;

[0018] Figure 4 It is a front view sectional view of a connecting pin and a connecting sleeve of an embodiment of the utility model.

[0019] In the drawings, the components represented by the numbers are listed as follows:

[0020] 1, centrifuge, 2, circular centrifuge disc, 3, first socket, 4, second socket, 5, connecting pin, 6, rectangular frame, 7, connecting sleeve, 8, locking assembly, 81, rectangular sliding slot, 82, limiting clamp, 83, limiting clamping hole, 84, spring, 9, alignment concave surface, 10, drive shaft, 11, alignment plane, 12, anti-skid ring. DETAILED DESCRIPTION

[0021] Hereinafter, the embodiment of the centrifuge centrifuge disc structure of the utility model will be described with reference to the drawings.

[0022] Figures 1-4 The centrifuge centrifuge disc structure of an embodiment of the utility model is shown, which comprises a circular centrifuge disc 2 located in the inner cavity of the centrifuge 1: the surface of the circular centrifuge disc 2 is fixedly connected with a rectangular frame 6, the inner wall of the circular centrifuge disc 2 is annularly distributed with a plurality of second sockets 4, the inner walls of the first socket 3 and the second socket 4 are fixedly connected with anti-skid rings 12, the anti-skid rings 12 are rubber rings, through the setting of the anti-skid rings 12, the friction between the surface of the centrifuge tube and the inner walls of the first socket 3 and the second socket 4 is increased, so that the centrifuge tube can be stably inserted into the inner cavity of the first socket 3 or the second socket 4, thereby improving the stability of the centrifuge tube in the centrifugation process, the inner wall of the rectangular frame 6 is annularly distributed with a plurality of first sockets 3, the inner cavity of the circular centrifuge disc 2 is fixedly connected with a connecting pin 5, the bottom of the circular centrifuge disc 2 is provided with a connecting sleeve 7, the front side and the rear side of the connecting pin 5 are both provided with alignment concave surfaces 9, the front side and the rear side of the inner cavity of the connecting sleeve 7 are both provided with alignment planes 11 matched with the alignment concave surfaces 9, the inner cavity of the centrifuge 1 is provided with a drive shaft 10, the bottom end of the drive shaft 10 is fixedly connected with the output shaft of the motor inside the centrifuge 1, the top of the drive shaft 10 is fixedly connected with the bottom of the connecting sleeve 7, a locking assembly 8 is arranged between the connecting pin 5 and the connecting sleeve 7, the locking assembly 8 comprises rectangular sliding slots 81 opened on both sides of the connecting pin 5, the inner cavity of the rectangular sliding slot 81 is slidingly connected with a limiting clamp 82, the opposite side of each of the two limiting clamps 82 is welded with a spring 84, the end of the spring 84 away from the limiting clamp 82 is welded with the inner wall of the rectangular sliding slot 81, through the setting of the spring 84, the limiting clamp 82 is elastically pushed, so that the two limiting clamps 82 can actively move in the inner cavity of the limiting clamping hole 83, thereby stably clamping and limiting the limiting clamp 82 and the limiting clamping hole 83, the two sides of the inner cavity of the connecting sleeve 7 are both provided with limiting clamping holes 83, the bottom end of the limiting clamp 82 is clamped in the inner cavity of the limiting clamping hole 83.

[0023] Working principle: the utility model for use, the user through the press two limit card piece 82 simultaneously, make limit card piece 82 in the inner chamber of rectangular runner 81 displacement and cause compression to spring 84, subsequently insert in the inner chamber of connecting sleeve 7 with connecting pin 5, until the bottom of connecting pin 5 is inserted in the inner chamber of connecting sleeve 7 completely, release limit card piece 82, two spring 84 rebound and push limit card piece 82 reset, make limit card piece 82 stable and be engaged in the inner chamber of limit card hole 83, the limiting locking of connecting pin 5 is carried out, further make circular centrifugal disc 2 with connecting sleeve 7 and driving shaft 10 stable connection, subsequently the user inserts in the inner chamber of second jack 4 with bullet head EP pipe, insert in the inner chamber of first jack 3 with joint pipe, make anti -skid ring 12 extrusion deformation, further to the positioning of two kinds of centrifugal tube, subsequently open centrifuge 1, through the cooperation of centrifuge 1 and driving shaft 10, drive connecting pin 5 and circular centrifugal disc 2 rotation, further make the sample in centrifugal tube can be centrifuged can.

[0024] In summary: the centrifuge centrifugal disc structure, through the bullet head EP pipe and joint pipe are inserted into the inner chamber of second jack 4 and first jack 3 respectively, fix the centrifugal tube, and through the cooperation of centrifuge 1 and driving shaft 10, centrifuge the sample, through the cooperation of connecting pin 5, connecting sleeve 7 and locking assembly 8, the quick disassembly and replacement of circular centrifugal disc 2 and rectangular frame 6 are carried out, can reach the purpose of convenient disassembly and adapt to a wide variety of centrifugal tube.

Claims

1. A centrifuge disc structure, characterized in that, The centrifuge includes a circular centrifuge disc (2) located in the inner cavity of the centrifuge (1): a rectangular frame (6) is fixedly connected to the surface of the circular centrifuge disc (2), a plurality of second insertion holes (4) are distributed in a ring on the inner wall of the circular centrifuge disc (2), a plurality of first insertion holes (3) are distributed in a ring on the inner wall of the rectangular frame (6), a connecting pin (5) is fixedly connected to the inner cavity of the circular centrifuge disc (2), a connecting sleeve (7) is provided at the bottom of the circular centrifuge disc (2), a locking assembly (8) is provided between the connecting pin (5) and the connecting sleeve (7), the locking assembly (8) includes a rectangular slide groove (81) opened on both sides of the connecting pin (5), a limit card (82) is slidably connected to the inner cavity of the rectangular slide groove (81), a limit card hole (83) is opened on both sides of the inner cavity of the connecting sleeve (7), and the bottom end of the limit card (82) is engaged in the inner cavity of the limit card hole (83).

2. The centrifuge disc structure according to claim 1, characterized in that, Springs (84) are welded to the opposite side of each of the two limiting clips (82), and the end of the spring (84) away from the limiting clip (82) is welded to the inner wall of the rectangular groove (81).

3. A centrifuge disc structure according to claim 2, characterized in that, The connecting pin (5) has a matching concave surface (9) on both the front and rear sides, and the connecting sleeve (7) has a matching plane (11) on both the front and rear sides of the inner cavity that matches the matching concave surface (9).

4. A centrifuge disc structure according to claim 3, characterized in that, The centrifuge (1) has a drive shaft (10) in its inner cavity. The bottom end of the drive shaft (10) is fixedly connected to the output shaft of the motor inside the centrifuge (1), and the top of the drive shaft (10) is fixedly connected to the bottom of the connecting sleeve (7).

5. A centrifuge disc structure according to claim 4, characterized in that, The inner walls of the first socket (3) and the second socket (4) are fixedly connected with anti-slip rings (12), which are rubber rings.

Images