CN209791779U

CN209791779U - Medical centrifugal machine

Info

Publication number: CN209791779U
Application number: CN201822237197.7U
Authority: CN
Inventors: 石庆荣
Original assignee: Guangzhou Haoyu Biotechnology Co Ltd
Current assignee: Guangzhou Haoyu Biotechnology Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2019-12-17
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a medical centrifuge, the load simulator comprises a case, the inner wall fixed mounting of machine case has damping spring, the inside of machine case and the one end fixed mounting that is located damping spring and keeps away from machine case have the surge tank, the inner wall bottom fixed mounting of surge tank has the motor, fixed mounting has the rotation axis on the output shaft of motor, the outer wall movable mounting of rotation axis has the bearing, the outer wall fixed mounting of bearing has the carousel, the bottom movable mounting of carousel has the connecting rod, the outer wall fixed mounting of carousel has reset spring, reset spring keeps away from the one end fixed mounting of carousel and has the fixed block. This medical centrifuge through unscrewing solid fixed ring to adjust the length of first kelly, shuttle pole and second kelly, will need centrifugal test tube to place inside the blowing inslot, then through solid fixed ring, make this centrifuge be suitable for the test tube use of multiple model, improved this centrifuge's practicality.

Description

Medical centrifugal machine

Technical Field

The utility model relates to a centrifuge technical field specifically is a medical centrifuge.

Background

Centrifugation is that powerful centrifugal force generated by high-speed rotation of a centrifuge rotor is utilized to accelerate the sedimentation velocity of particles in liquid and separate substances with different sedimentation coefficients and buoyancy densities in a sample, so that the centrifugal force generated by the centrifuge is needed to force the particles to overcome diffusion and generate sedimentation motion.

The traditional medical centrifuge has poor stability, the centrifuge generates vibration during working, the noise is high, and the centrifugal clamping tube of the medical centrifuge is single and is not suitable for test tubes of various models, so that the medical centrifuge is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical centrifuge to the traditional medical centrifuge stability ability that provides in solving above-mentioned background art is poor, and centrifuge produces vibration at work, and the noise is big, and medical centrifuge's centrifugation double-layered pipe is more single, the problem that the test tube of unsuitable multiple model size used.

In order to achieve the above object, the utility model provides a following technical scheme: a medical centrifugal machine comprises a machine case, wherein a damping spring is fixedly mounted on the inner wall of the machine case, a damping box is fixedly mounted inside the machine case and at one end, far away from the machine case, of the damping spring, a motor is fixedly mounted at the bottom of the inner wall of the damping box, a rotating shaft is fixedly mounted on an output shaft of the motor, a bearing is movably mounted on the outer wall of the rotating shaft, a turntable is fixedly mounted on the outer wall of the bearing, a connecting rod is movably mounted at the bottom of the turntable, a reset spring is fixedly mounted on the outer wall of the turntable, a fixed block is fixedly mounted at one end, far away from the turntable, of the reset spring, a sliding block clamped with the connecting rod is fixedly mounted at the bottom of the fixed block, a first clamping rod is movably mounted inside the fixed block, a shuttle rod is sleeved on the outer wall of the first clamping rod, a fixed ring is sleeved on the outer wall of the shuttle, the one end movable mounting that the shuttle pole was kept away from to the second kelly has the revolving stage, the bottom of revolving stage and the top fixed connection of rotation axis, the inner wall right side fixed mounting of machine case has the speed regulator, the inner wall right side of machine case and the top fixed mounting who is located the speed regulator have the timer, machine case outer wall left side fixed mounting has articulated piece, the one end fixed mounting that quick-witted case was kept away from to articulated piece has the apron.

Preferably, the stiffness coefficient of the damping spring is five kilonewtons per centimeter, and the number of the damping springs is twenty-four.

Preferably, the stiffness coefficient of the return spring is three kilonewtons per centimeter, the number of the return springs is twelve, and the motor is electrically connected with the speed regulator and the timer through leads.

Preferably, a discharging groove is formed in the tops of the first clamping rod, the shuttle rod and the second clamping rod, a spongy cushion is movably mounted on the inner wall of the discharging groove, and the thickness of the spongy cushion is three millimeters.

preferably, the bottom of the case is fixedly provided with a support column, the bottom of the support column is fixedly provided with a suction cup, and the suction cup is made of thermoplastic polyurethane elastomer rubber.

Preferably, the bottom of the case is fixedly provided with a U-shaped fixing frame on the left side and the right side of the motor, the bottom of the cover plate is fixedly provided with a clamping block, and the top of the case is provided with a clamping groove corresponding to the clamping block.

Compared with the prior art, the beneficial effects of the utility model are that: the medical centrifuge fixes the case through the sucking disc and the supporting column to achieve the effect of primarily fixing the centrifuge, and then achieves the effect of secondary fixing and shock absorption through the shock absorption spring and the shock absorption box, the rotation speed and the rotation time of the motor are controlled through the speed regulator and the timer to achieve the effect of medical centrifugation, the test tube needing to be centrifuged is placed in the discharging groove by loosening the fixing ring and adjusting the lengths of the first clamping rod, the shuttle rod and the second clamping rod, then the centrifuge is suitable for the test tubes of various types through the fixing ring, the practicability of the centrifuge is improved, the centrifuge is enabled to move upwards and extend through the turntable, the second clamping rod, the first clamping rod, the fixing block, the reset spring, the connecting rod, the turntable and the bearing when in work, the reset spring is enabled to be almost ninety degrees with the rotation shaft, and the centrifugation effect of the centrifuge is improved, simultaneously, reset spring makes this centrifuge when start-up with stop, and the rotation angle of test tube changes slowly, has improved this centrifuge's stability.

Drawings

Fig. 1 is a schematic structural view of a medical centrifuge of the present invention;

Fig. 2 is an enlarged view of a position a in a structure diagram 1 of the medical centrifuge of the present invention.

In the figure: 1-a chassis; 2-a damping spring; 3-a shock-absorbing box; 4-a motor; 5-a rotating shaft; 6-a bearing; 7-a turntable; 8-connecting rod; 9-a return spring; 10-fixing blocks; 11-a slide block; 12-a first clamping bar; 13-a shuttle bar; 14-a fixed ring; 15-a second clamping bar; 16-a turntable; 17-a speed governor; 18-a timer; 19-a hinged block; 20-cover plate.

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 an embodiment: a medical centrifugal machine comprises a machine case 1, wherein a supporting column is fixedly installed at the bottom of the machine case 1, suckers are fixedly installed at the bottom of the supporting column, the suckers are made of thermoplastic polyurethane elastomer rubber, a damping spring 2 is fixedly installed on the inner wall of the machine case 1, the stiffness coefficient of the damping spring 2 is five kilonewtons per centimeter, the number of the damping spring 2 is twenty-four, a damping box 3 is fixedly installed at one end, away from the machine case 1, of the damping spring 2 inside the machine case 1, a motor 4 is fixedly installed at the bottom of the inner wall of the damping box 3, the model of the motor 4 is XD-WS37GB3525, a rotating shaft 5 is fixedly installed on an output shaft of the motor 4, a bearing 6 is movably installed on the outer wall of the rotating shaft 5, a turntable 7 is fixedly installed on the outer wall of the bearing 6, a connecting rod 8 is movably installed at the bottom of the turntable, a sliding block 11 clamped with the connecting rod 8 is fixedly installed at the bottom of the fixed block 10, a first clamping rod 12 is movably installed inside the fixed block 10, a shuttle rod 13 is sleeved on the outer wall of the first clamping rod 12, a fixing ring 14 is sleeved on the outer wall of the shuttle rod 13, a second clamping rod 15 is movably installed inside the shuttle rod 13 and located at one end, far away from the first clamping rod 12, of the shuttle rod 13, a discharging groove is formed in the top of the first clamping rod 12, the top of the shuttle rod 13 and the top of the second clamping rod 15, a sponge pad is movably installed on the inner wall of the discharging groove, the thickness of the sponge pad is three millimeters, a rotary table 16 is movably installed at one end, far away from the shuttle rod 13, of the second clamping rod 15, the bottom of the rotary table 16 is fixedly connected with the top of the rotating shaft 5, a speed regulator 17 is fixedly installed on the right side of the inner wall of the case 1, the model of the speed regulator 17 is US-52, a timer 18, the stiffness coefficient of the reset spring 9 is three kilonewtons per centimeter, the number of the reset springs 9 is twelve, the motor 4 is electrically connected with the speed regulator 17 and the timer 18 through a wire, the left side of the outer wall of the case 1 is fixedly provided with the hinged block 19, one end of the hinged block 19, which is far away from the case 1, is fixedly provided with the cover plate 20, the bottom of the case 1, which is positioned at the left side and the right side of the motor 4, is fixedly provided with a U-shaped fixing frame, the bottom of the cover plate 20 is fixedly provided with a clamping block, the top of the case 1 is provided with a clamping groove corresponding to the clamping block, the case 1 is fixed through a sucking disc and a supporting column to achieve the effect of primarily fixing the centrifuge, the secondary fixing and damping effect is achieved through the damping spring 2 and the damping box 3, the rotation speed and the rotation time of the motor 4 are controlled through the speed regulator 17, Shuttle pole 13 and second kelly 15's length, place the test tube that needs the centrifugation inside the blowing tank, then through fixed ring 14, make this centrifuge be suitable for the test tube of multiple model and use, the practicality of this centrifuge has been improved, through revolving stage 16, second kelly 15, first kelly 12, fixed block 10, reset spring 9, connecting rod 8, carousel 7 and bearing 6, make centrifuge at the during operation, reset spring 9 rebound and extension, make the test tube nearly ninety degrees with rotation axis 5, the centrifugal effect of this centrifuge has been improved, and simultaneously, reset spring 9 makes this centrifuge when starting and stopping, the rotation angle change of test tube is slow, the stability of this centrifuge has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A medical centrifuge, includes quick-witted case (1), its characterized in that: the damping mechanism is characterized in that a damping spring (2) is fixedly mounted on the inner wall of the case (1), a damping box (3) is fixedly mounted at one end, far away from the case (1), of the damping spring (2) inside the case (1), a motor (4) is fixedly mounted at the bottom of the inner wall of the damping box (3), a rotating shaft (5) is fixedly mounted on an output shaft of the motor (4), a bearing (6) is movably mounted on the outer wall of the rotating shaft (5), a turntable (7) is fixedly mounted on the outer wall of the bearing (6), a connecting rod (8) is movably mounted at the bottom of the turntable (7), a reset spring (9) is fixedly mounted on the outer wall of the turntable (7), a fixed block (10) is fixedly mounted at one end, far away from the turntable (7), of the reset spring (9), and a sliding block (11) clamped with the connecting rod, a first clamping rod (12) is movably arranged in the fixed block (10), the outer wall of the first clamping rod (12) is sleeved with a shuttle rod (13), the outer wall of the shuttle rod (13) is sleeved with a fixed ring (14), a second clamping rod (15) is movably arranged in the shuttle rod (13) and at one end of the shuttle rod (13) far away from the first clamping rod (12), a rotary table (16) is movably arranged at one end of the second clamping rod (15) far away from the shuttle rod (13), the bottom of the rotary table (16) is fixedly connected with the top of the rotating shaft (5), a speed regulator (17) is fixedly arranged on the right side of the inner wall of the case (1), a timer (18) is fixedly arranged on the right side of the inner wall of the case (1) and above the speed regulator (17), the machine case is characterized in that a hinged block (19) is fixedly mounted on the left side of the outer wall of the machine case (1), and a cover plate (20) is fixedly mounted at one end, far away from the machine case (1), of the hinged block (19).

2. The medical centrifuge of claim 1, wherein: the stiffness coefficient of the damping springs (2) is five kilonewtons per centimeter, and the number of the damping springs (2) is twenty-four.

3. The medical centrifuge of claim 1, wherein: the stiffness coefficient of the return spring (9) is three kilonewtons per centimeter, the number of the return springs (9) is twelve, and the motor (4) is electrically connected with the speed regulator (17) and the timer (18) through leads.

4. The medical centrifuge of claim 1, wherein: the top of the first clamping rod (12), the shuttle rod (13) and the second clamping rod (15) is provided with a discharging groove, the inner wall of the discharging groove is movably provided with a spongy cushion, and the thickness of the spongy cushion is three millimeters.

5. The medical centrifuge of claim 1, wherein: the bottom of the case (1) is fixedly provided with a supporting column, the bottom of the supporting column is fixedly provided with a sucker, and the sucker is made of thermoplastic polyurethane elastomer rubber.

6. The medical centrifuge of claim 1, wherein: the motor is characterized in that U-shaped fixing frames are fixedly mounted on the left side and the right side of the bottom of the case (1) and located on the motor (4), clamping blocks are fixedly mounted at the bottom of the cover plate (20), and clamping grooves corresponding to the clamping blocks are formed in the top of the case (1).