CN216878987U - Reagent mixing drive mechanism - Google Patents

Abstract

The utility model discloses a reagent mixing transmission mechanism, and belongs to the technical field of instrument analysis. The method comprises the following steps: a fixed body; the rotary table is arranged above the fixed body; the placing grooves are distributed on the rotary table in an annular array by taking the axis of the rotary table as a center; the plurality of reagent boxes are positioned in the placing grooves through the clamping components; the driving assembly is positioned below the turntable; the driving assembly is used for driving the turntable to rotate. The clamping positioning mechanism is adopted, so that the kit cannot shake in the movement process, and meanwhile, the accurate positioning is realized; the reagent disk revolves and simultaneously realizes the rotation of the magnetic bead bottle, and the magnetic bead precipitation caused by vortex is avoided; the magnetic bead bottles are uniformly mixed by adopting gear transmission, so that the transmission efficiency is high, the transmission is stable, and the energy consumption in the transmission is reduced.

Description

Reagent mixing drive mechanism

Technical Field

The utility model belongs to the technical field of instrument analysis, and particularly relates to a reagent blending transmission mechanism.

Background

In the field of biochemical analysis techniques such as in vitro diagnostics, in order to ensure an accurate test structure, it is often the case that reagents including magnetic beads and a reaction solution need to be mixed uniformly. Generally, devices such as an ultrasonic instrument or a vibration table are adopted to realize uniform mixing, but the pretreatment period before the uniform mixing is too long, errors are easy to occur in the uniform mixing process, and the uniform mixing efficiency is influenced. After technical improvement, the reagent bottle with the transmission part is usually directly placed into a corresponding blending device, and blending is realized through rotation and revolution of the reagent bottle. But the device is at the operation in-process, and reagent bottle can't accomplish accurate positioning, produces easily and shakes the phenomenon of even totally blocking, and the running noise is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the background technology and provides a reagent blending transmission mechanism which is accurate in positioning and stable in transmission.

The utility model is realized by adopting the following technical scheme: a reagent mixing slewing mechanism includes:

a fixed body;

the rotary table is arranged above the fixed body;

the plurality of placing grooves are distributed on the rotary disc in an annular array by taking the axis of the rotary disc as a center;

the plurality of reagent boxes are positioned in the placing grooves through the clamping components;

the driving assembly is positioned below the turntable; the driving assembly is used for driving the turntable to rotate.

In a further embodiment of the method of the utility model,

the clamping assembly comprises:

the clamping support is arranged at the bottom of the placing groove;

the cavity is arranged at the bottom of the kit; the cavity extends downwards along the outer edge of the reagent box;

the clamping elastic piece is positioned in the cavity; the clamping elastic piece is clamped with the clamping support.

By adopting the technical scheme: the reagent 5 is limited to shake on the horizontal plane under the action of the clamping support and the clamping elastic piece, and meanwhile, the positioning effect is achieved.

In a further embodiment of the method of the utility model,

the snap-fit elastic member includes:

the elastic pieces are fixed on the bottom surface of the kit and distributed in an annular array manner.

By adopting the technical scheme: the elastic piece is elastically gathered and opened, so that the kit is convenient to fix and take out.

In a further embodiment of the method of the utility model,

the outer wall of the cavity is in surface contact with the inner wall of the placing groove.

In a further embodiment of the method of the utility model,

the kit further comprises:

a hollow column fixed to the kit;

the magnetic bead bottle is inserted into the hollow column in a penetrating way;

the rotating gear is fixedly connected with the bottom of the magnetic bead bottle; the rotating gear is located below the hollow column.

In a further embodiment of the method of the utility model,

an outer gear ring is fixed on the outer surface of the fixing body, and the outer gear ring is meshed with the rotating gear.

By adopting the technical scheme: the standing groove of carousel also has the limiting displacement to the kit, guarantees external gear circle and the meshing of the running gear on the kit, guarantees smoothly steadily, can not appear rocking and the phenomenon of jamming, reduces the noise that produces in the motion process simultaneously. In order to further ensure the stable operation and reduce the noise.

In a further embodiment of the method of the utility model,

the drive assembly includes:

the mounting rack is positioned below the turntable;

the upright post is fixedly connected between the mounting frame and the fixed body;

the central rotating shaft is arranged in the upright post; the top end of the central rotating shaft is fixedly connected with the rotary disc, and the bottom end of the central rotating shaft is connected with a driven wheel.

In a further embodiment of the method of the utility model,

the drive assembly further includes:

the driving motor is fixed on the mounting frame;

the driving wheel is in transmission connection with an output shaft of the driving motor; the driving wheel is in transmission connection with the driven wheel.

The utility model has the beneficial effects that: the clamping positioning mechanism is adopted, so that the kit cannot shake in the movement process, and meanwhile, the accurate positioning is realized;

the reagent disk revolves and simultaneously realizes the rotation of the magnetic bead bottle, and the magnetic bead precipitation caused by vortex is avoided; the magnetic bead bottles are uniformly mixed by adopting gear transmission, so that the transmission efficiency is high, the transmission is stable, and the energy consumption in the transmission is reduced.

Drawings

Fig. 1 is a first structural schematic diagram of a reagent mixing and rotating mechanism of the present invention.

FIG. 2 is a cross-sectional view of the reagent kneading rotation mechanism of the present invention.

Fig. 3 is a second structural schematic diagram of the reagent mixing rotation mechanism of the present invention.

FIG. 4 is a partial structural schematic diagram of the reagent mixing rotation mechanism of the present invention.

Each of fig. 1 to 4 is labeled as: the device comprises a fixing body 1, a rotary disc 2, a placing groove 3, a kit 4, a clamping support 5, a cavity 6, a clamping elastic piece 7, a magnetic bead bottle 8, a rotating gear 9, an outer gear ring 10, an installation frame 11, a stand column 12, a central rotating shaft 13, a driven wheel 14, a driving motor 15 and a driving wheel 16.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

The research shows that: in the process of uniformly mixing magnetic beads and reaction liquid, devices such as an ultrasonic instrument or a vibration table are generally adopted to realize uniform mixing, but the pretreatment period before uniform mixing is too long, errors are easy to occur in the uniform mixing process, and the uniform mixing efficiency is influenced. After technical improvement, reagent bottles with transmission parts are usually directly placed into corresponding blending devices, and blending is realized through rotation and revolution of the reagent bottles. But the device is at the operation in-process, and reagent bottle can't accomplish accurate positioning, produces easily and shakes the phenomenon of even totally blocking, and the running noise is big.

Example 1

In order to solve the technical problem, a fix a position accurate, and the steady reagent mixing drive mechanism of transmission includes: the device comprises a fixed body 1, a rotating disc 2, a placing groove 3, a reagent kit 4, a clamping support 5, a cavity 6, a clamping elastic piece 7, a magnetic bead bottle 8, a rotating gear 9, an outer gear ring 10, a mounting rack 11, a stand column 12, a central rotating shaft 13, a driven wheel 14, a driving motor 15 and a driving wheel 16.

As shown in fig. 1, a reagent mixing rotation mechanism sequentially includes, from bottom to top, a mounting frame 11, a turntable 2, and a fixing body 1. Through stand 12 fixed connection between mounting bracket 11 and the fixed body 1, carousel 2 with be connected through the drive assembly transmission between the mounting bracket 11, drive assembly is located the below of carousel 2.

The rotary table 2 is positioned above the fixed body 1, a plurality of placing grooves 3 are arranged on the rotary table 2, and the placing grooves 3 are distributed in an annular array by taking the axis of the rotary table 2 as the center. In this embodiment, the value range of the placing grooves 3 is 26 to 30. The reagent kit 4 is placed through the joint subassembly respectively in the inside of every standing groove 3, realizes the location to reagent kit 4 under the effect of joint subassembly, avoids reagent kit 4 to take place the dislocation when carousel 2 rotates or remove. The driving component is used for driving the turntable 2 to rotate.

In a further embodiment, the clamping assembly comprises: the reagent box comprises a placing groove 3, a clamping support 5 arranged at the bottom of the placing groove 3, a cavity 6 extending downwards is arranged at the bottom of the reagent box 4 along the outer edge of the reagent box 4, a clamping elastic piece 7 is arranged inside the cavity 6, the clamping elastic piece 7 is clamped with the clamping support 5, namely the position of the clamping elastic piece 7 corresponds to the position of the clamping support 5.

In this embodiment, the cross section of the engaging seat 5 is circular, and the engaging elastic member 7 includes: the elastic pieces fixed at the bottom of the reagent box 4 at equal intervals are distributed in a ring array in order to be matched with the clamping support 5 in the embodiment, and the number of the elastic pieces is six in the embodiment. The elastic pieces are elastically gathered and opened, so that the kit 4 is conveniently fixed and taken out.

In a further embodiment, the phenomenon of precipitation of the magnetic beads in the bead bottle 8 is avoided. The kit 4 further comprises: the magnetic bead detection device comprises a hollow column fixed on the inner side of the kit 4, a magnetic bead bottle 8 is inserted into the hollow column, a rotating gear 9 is fixed at the bottom of the magnetic bead bottle 8, and the rotating gear 9 is located below the hollow column, namely the rotating gear 9 is exposed in the hollow column.

Meanwhile, an external gear ring 10 is fixed on the outer surface of the fixed body 1, and the external gear ring 10 is engaged with the rotating gear 9.

Namely, when the reagent box 4 is driven by the rotary disc 2 to revolve around the fixed body 1, and the external gear ring 10 on the fixed body 1 is also fixed, the rotating gear 9 engaged with the reagent box 4 can force the rotating gear 9 to rotate at the same time when the reagent box 4 rotates, namely, the magnetic bead bottles 8 rotate.

In the above configuration, since the magnetic bead bottles 8 rotate to generate a certain centrifugal force and thus an external force acts on the reagent cartridge 4, in order to further stabilize the reagent cartridge 4, in a further embodiment, the outer wall of the cavity 6 is in surface contact with the inner wall of the placing tank 3. The standing groove 3 of the rotary disk 2 also has a limiting effect on the reagent kit 4, ensures that the external gear ring 10 is meshed with the rotating gear 9 on the reagent kit 4, ensures smooth and stable, does not have the phenomena of shaking and clamping stagnation, and reduces the noise generated in the motion process. In order to further ensure the stable operation and reduce the noise.

In this embodiment, the driving assembly includes: locate central pivot 13 in stand 12, the top of central pivot 13 pass the mounting and with carousel 2 fixed connection, the bottom of central pivot 13 passes mounting bracket 11 is fixed with from driving wheel 14.

The drive assembly further includes: the driving motor 15 is fixed on the mounting rack 11, an output shaft of the driving motor 15 is in transmission connection with a driving wheel 16, and the driving wheel 16 is in transmission connection with the driven wheel 14.

When the driving wheel 16 and the driven wheel 14 are both belt wheels, the driving wheel 16 and the driven wheel 14 are in transmission connection by adopting a transmission belt; when the driving pulley 16 and the driven pulley 14 are both gears, the driving pulley 16 is directly engaged with the driven pulley 14.

The working principle of the utility model is as follows: the magnetic beads and the reaction liquid are respectively placed in the magnetic bead bottle 8 and the reagent kit 4, then the reagent kit 4 is clamped and fixed in the corresponding placing groove 3 through the clamping component, the driving motor 15 in the driving component is started, the driving wheel 16 on the driving motor 15 rotates, the driving wheel 16 drives the driven wheel 14 to rotate, and the rotary disc 2 rotates under the action of the central rotating shaft 13, namely the reagent kit 4 on the rotary disc 2 revolves. When the reagent box 4 revolves, the external gear ring 10 on the fixed body 1 moves relative to the reagent box 4, and the external gear ring 10 is meshed with the rotating gear 9, so that the rotating gear 9 drives the magnetic bead bottle 8 to rotate.

The utility model realizes uniform mixing through rotation and revolution of the reagent bottle. The device ensures smooth and steady operation, avoids shaking and clamping stagnation, and reduces noise generated in the motion process. In order to further ensure the stable operation and reduce the noise.

Claims (5)

1. The utility model provides a reagent mixing slewing mechanism which characterized in that includes:

a fixed body;

the rotary table is arranged above the fixed body;

the plurality of placing grooves are distributed on the rotary disc in an annular array by taking the axis of the rotary disc as a center;

the plurality of reagent boxes are positioned in the placing grooves through the clamping components;

the driving assembly is positioned below the turntable; the driving assembly is used for driving the turntable to rotate;

the clamping assembly comprises:

the clamping support is arranged at the bottom of the placing groove;

the cavity is arranged at the bottom of the kit; the cavity extends downwards along the outer edge of the reagent box;

the clamping elastic piece is positioned in the cavity; the clamping elastic piece is clamped with the clamping support;

the kit further comprises:

a hollow column fixed to the kit;

the magnetic bead bottle is inserted into the hollow column in a penetrating way;

the rotating gear is fixedly connected with the bottom of the magnetic bead bottle; the rotating gear is positioned below the hollow column; an outer gear ring is fixed on the outer surface of the fixed body, and the outer gear ring is meshed with the rotating gear.

2. The reagent mixing rotation mechanism of claim 1,

the snap-fit elastic member includes:

a plurality of elastic sheets fixed at the bottom of the kit at equal intervals.

3. The reagent mixing rotation mechanism of claim 1,

the outer wall of the cavity is in surface contact with the inner wall of the placing groove.

4. The reagent mixing rotation mechanism of claim 1,

the drive assembly includes:

the mounting rack is positioned below the turntable;

the upright post is fixedly connected between the mounting frame and the fixed body;

the central rotating shaft is arranged in the upright post; the top end of the central rotating shaft penetrates through the fixing piece and is fixedly connected with the turntable, and the bottom end of the central rotating shaft is connected with a driven wheel.

5. The reagent mixing rotation mechanism of claim 1,

the drive assembly further includes:

the driving motor is fixed on the mounting frame;

the driving wheel is in transmission connection with an output shaft of the driving motor; the driving wheel is in transmission connection with the driven wheel.

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