CN204514940U - A kind of oscillation device in vitro reagent - Google Patents

Abstract

The utility model discloses a kind of oscillation device in vitro reagent, comprising: rotating disk, it is driven by driver element and rotates, and described rotating disk offers at least one disk hole; Stationary magazine creel, it is embedded in described disk hole, and described stationary magazine creel offers pilot hole; Shell fragment, it is barb-like, and the top of described shell fragment is fixed on stationary magazine creel, and the lower end thereof of described shell fragment and the inwall of described stationary magazine creel are affixed, and the bottom other end of described shell fragment is provided with protuberance; Wherein, described test tube is placed in the pilot hole of described stationary magazine creel, and the outer wall of described protuberance and described test tube is supported mutually.The oscillation device in vitro reagent that the utility model provides, by being placed in stationary magazine creel by tangent for the outer wall of test tube, and offset with shell fragment, effectively carried out three-point fix to test tube and fixed, this oscillation device oscillation effect is good and can carry out effective location to test tube.

Description

An oscillating device for reagents in test tubes

technical field

The utility model relates to the technical field of medical instruments, in particular to an oscillating device for reagents in test tubes.

Background technique

At present, the working principle of the oscillating device equipped with the automatic fluorescence detector is to make the test tube containing the reagent rotate at a high speed in the horizontal direction. The ideal oscillation effect can be achieved for the reagent, but a large clamping force is required to fix the test tube at this time, otherwise the test tube will easily fly out of the oscillation device, resulting in serious safety hazards.

Utility model content

Aiming at the deficiencies in the above-mentioned technologies, the utility model provides an oscillating device for reagents in test tubes which is safe and reliable, has good oscillating effect, and can effectively position test tubes.

The technical solution adopted by the utility model is: an oscillating device for reagents in test tubes, comprising: a turntable, which is driven to rotate by a drive unit, and at least one hole is opened on the turntable; a fixed cylinder, which is embedded in the In the disc hole, a positioning hole is opened on the fixing cylinder, a groove is opened on one side of the opening of the positioning hole, and a protrusion is arranged in the groove; a shrapnel, which is barb-shaped, has a The upper part is placed in the groove, the upper part of the elastic piece is provided with a through hole, and the through hole is fastened with the protrusion, the lower part of the elastic piece is placed in the fixed cylinder, and the upper part of the elastic piece is One end of the lower part is in contact with the inner wall of the fixed cylinder, and the other end of the lower part of the elastic piece is provided with a convex part; wherein, the test tube is placed in the positioning hole of the fixed cylinder, and is opposite to the opening of the positioning hole. The inner wall of the side is tangent, and the convex part and the outer wall of the test tube are against each other.

Preferably, the driving unit includes a driving motor, a driving pulley fixedly connected to the driving end of the driving motor, and a driven pulley driven to rotate by the driving belt through a transmission belt, and the driving motor is installed on the motor On the seat, the driven pulley is fastened to the rotating seat.

Preferably, the rotating seat is tightly connected with the turntable, a bearing is embedded in the rotating seat, and the bearing sleeve is placed on the shaft seat.

Preferably, a plectrum is provided at the bottom of the turntable, and a photoelectric sensor is provided directly below the turntable, and the photoelectric sensor is installed on the sensor seat, and the photoelectric sensor is controlled so that when the plectrum is turned to the When within the sensing area of the photoelectric sensor, the turntable rotates in reverse.

Preferably, the convex part is arranged in an arc shape and is tangent to the outer wall of the test tube.

Preferably, the number of the disc holes is ten, and the ten disc holes are regularly distributed at equal angles relative to the central axis of the turntable.

Compared with the prior art, the utility model has the beneficial effects that: the oscillating device used for reagents in test tubes provided by the utility model drives the turntable to rotate through the drive unit, and realizes reciprocating rotation under the control of the photoelectric sensor, so that the test tube The reagent oscillates to effectively prevent the suspended matter in the reagent from settling; by placing the outer wall of the test tube in the fixed cylinder tangentially and against the shrapnel, the test tube is effectively fixed at three points; the oscillating device is safe and reliable, convenient for sampling, and has a good oscillation effect , and can effectively locate the test tube, and has good market promotion and application value.

Description of drawings

Fig. 1 is the structural representation of the oscillating device used for the reagent in the test tube described in the utility model;

Fig. 2 is a partial structural schematic diagram of the oscillating device described in the utility model;

Figure 3 is an internal sectional view of Figure 2;

Fig. 4 is the schematic diagram of the assembly of the test tube positioned in the fixed cylinder according to the utility model;

Fig. 5 is the top projection view of Fig. 4;

Fig. 6 is A-A sectional view among Fig. 5;

Fig. 7 is a schematic structural view of the fixing cylinder described in the present invention;

Fig. 8 is a schematic structural view of the shrapnel described in the present invention;

In the figure: 01 motor seat; 02 driving motor; 03 driving pulley; 04 transmission belt; 05 driven pulley; 06 shaft seat; 07 bearing; 08 rotating seat; ; 102 bumps; 103 positioning holes; 11 shrapnel; 111 through holes; 112 convex parts; 12 test tubes;

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it by referring to the description.

As shown in Figures 1-6, the utility model provides an oscillating device for reagents in a test tube 12, including: a turntable 09, a fixed cylinder 10, a shrapnel 11 and a driving unit.

The turntable 09 is driven to rotate by the drive unit, and ten disc holes 091 are opened on the turntable 09, and the ten disc holes 091 are regularly distributed at equal angles relative to the central axis of the turntable 09, and the drive unit includes a drive Motor 02, the drive pulley 03 affixed to the drive end of the drive motor 02, the driven pulley 05 driven by the drive belt 04 to rotate by the drive pulley 03, the drive motor 02 selects a DC servo motor, And installed on the motor base 01, the transmission ratio of the driving pulley 03 and the driven pulley 05 is selected according to the performance curve and the oscillation speed of the driving motor 02, and the driven pulley 05 is fastened to the rotating seat 08, The rotating seat 08 is tightly connected with the turntable 09, the inner part of the rotating seat 08 is embedded with a bearing 07, and the bearing 07 is sleeved on the shaft seat 06, and the bottom of the turntable 09 is provided with a paddle 13 , the photoelectric sensor 15 is arranged directly below the turntable 09, and the photoelectric sensor 15 selects a groove type miniature photoelectric sensor, and the photoelectric sensor 15 is installed on the sensor seat 14, and the photoelectric sensor 15 is controlled to be When the paddle 13 is rotated into the sensing area of the photoelectric sensor 15, the turntable 09 rotates in the opposite direction.

As shown in Figure 7, the fixing cylinder 10 is embedded in the disc hole 091, and a positioning hole 103 is opened on the fixing cylinder 10, and a groove 101 is opened on the opening side of the positioning hole 103, and the A bump 102 is disposed in the groove 101 .

As shown in Figure 8, the elastic piece 11 is barb-shaped, and its stiffness is non-linear. The upper part of the elastic piece 11 is placed in the groove 101, and the upper part of the elastic piece 11 is provided with a through hole 111. The through hole 111 is fastened with the protrusion 102. The lower part of the elastic piece 11 is placed in the fixed cylinder 10, and one end of the lower part of the elastic piece 11 is attached to the inner wall of the fixed cylinder 10. The elastic piece The other end of the lower part of 11 is provided with a convex part 112, and the convex part 112 is arranged in an arc shape.

Wherein, the test tube 12 is placed in the positioning hole 103 of the fixing cylinder 10, and is tangent to the inner wall on the other side of the opening of the positioning hole 103, and the convex portion 112 is tangent to the outer wall of the test tube 12. and against each other.

The oscillating device used for the reagent in the test tube 12 provided by the utility model drives the turntable 09 to rotate through the driving unit, and realizes regular reciprocating rotation under the control of the photoelectric sensor 15, so that the reagent in the test tube 12 oscillates and effectively prevents the suspended matter in the reagent from settling ;By placing the outer wall of the test tube 12 in the fixed cylinder 10 tangentially, and against the shrapnel 11, the test tube 12 is effectively fixed at three points; the oscillation device is safe and reliable, convenient for sampling, good in oscillation effect, and can 12 Effective positioning has good market promotion and application value.

In the embodiments of the present invention, the "top" mentioned is defined in the usual sense, for example, with reference to the definition of the direction of gravity, the direction of gravity is downward, and the opposite direction is upward, and similarly above is the top or top.

In the embodiment of the utility model, the driving mechanism is not limited to the installation method shown in the figure, and any installation method that can drive the turntable to rotate is acceptable; the number of test tube installation positions is not limited to the number drawn in the figure, to achieve the same Any type of exercise device is acceptable.

Although the embodiment of the utility model has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the utility model, and for those familiar with the art, it can be Further modifications can readily be effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (6)

1. An oscillating device for reagents in test tubes, comprising: a turntable, which is driven to rotate by a drive unit, and at least one disc hole is opened on the turntable; A fixing cylinder, which is embedded in the disc hole, a positioning hole is opened on the fixing cylinder, a groove is opened on one side of the opening of the positioning hole, and a protrusion is arranged in the groove; The elastic piece is barb-shaped, the upper part of the elastic piece is placed in the groove, the upper part of the elastic piece is provided with a through hole, and the through hole is fastened with the protrusion, and the lower part of the elastic piece Placed in the fixed cylinder, one end of the lower part of the elastic piece is attached to the inner wall of the fixed cylinder, and the other end of the lower part of the elastic piece is provided with a convex part; Wherein, the test tube is placed in the positioning hole of the fixing cylinder, and is tangent to the inner wall on the other side of the opening of the positioning hole, and the convex part is against the outer wall of the test tube. 2. The oscillating device for reagents in test tubes as claimed in claim 1, wherein the drive unit comprises a drive motor, a drive pulley affixed to the drive end of the drive motor, driven by the drive The pulley drives the rotating driven pulley through the transmission belt, the driving motor is installed on the motor seat, and the driven pulley is fastened to the rotating seat. 3. The oscillating device for reagents in test tubes as claimed in claim 2, wherein the rotating seat is tightly connected to the turntable, and a bearing is embedded in the rotating seat, and the bearing is sleeved on the axle seat. 4. The oscillating device for reagents in test tubes as claimed in claim 1, wherein a plectrum is arranged at the bottom of the turntable, a photoelectric sensor is arranged directly below the turntable, and the photoelectric sensor is installed on the sensor On the seat, the photoelectric sensor is controlled so that when the plectrum is turned into the sensing area of the photoelectric sensor, the turntable rotates in the opposite direction. 5 . The oscillating device for reagents in test tubes according to claim 1 , wherein the convex portion is arranged in an arc shape and is tangent to the outer wall of the test tube. 6 . 6. The oscillating device for reagents in test tubes as claimed in claim 1, wherein the number of the disc holes is ten, and the ten disc holes are equiangular with respect to the central axis of the turntable distributed.