CN209086048U - Fixed reagent evenly mixing device for in-vitro diagnosis equipment - Google Patents
Fixed reagent evenly mixing device for in-vitro diagnosis equipment Download PDFInfo
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- CN209086048U CN209086048U CN201821889408.9U CN201821889408U CN209086048U CN 209086048 U CN209086048 U CN 209086048U CN 201821889408 U CN201821889408 U CN 201821889408U CN 209086048 U CN209086048 U CN 209086048U
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- eccentric shaft
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- cylinder
- vitro diagnosis
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Abstract
The utility model discloses a kind of fixed reagent evenly mixing devices for in-vitro diagnosis equipment, rotating member including the power-driven mechanism and the side of being set on the base that are set on the base, power-driven mechanism includes U-shaped mounting plate, motor working shaft on U-shaped mounting plate is connected with the eccentric shaft being coaxially set by shaft coupling, it is connect by first bearing with base rotation in the middle part of eccentric shaft, extend pedestal and offer mounting hole in eccentric shaft top, rotating member is the mixing cylinder extended vertically, cylinder lower part is mixed to be arranged in mounting hole by second bearing, the top for mixing cylinder is fixedly connected with by position-limit mechanism and pedestal.The utility model eccentric shaft axis and mixing cylinder axis make to mix cylinder under the collective effect of eccentric shaft and position-limit mechanism around the generation rotation of its axis, motion profile is helical trajectory, and mixed effect is effectively ensured there are certain angle；And reaction cup surface abrasion phenomenon is avoided the occurrence of, reaction cup surface is protected, guarantees the translucency of reaction cup.
Description
Technical field
The utility model relates to reagent evenly mixing devices, more particularly, to a kind of fixed reagent for in-vitro diagnosis equipment
Evenly mixing device.
Background technique
In vitro in the biochemical analysis technical field such as diagnosis, it usually needs pre-processed to sample, i.e., will include magnetic bead
It is uniformly mixed with the reagent of reaction solution, to ensure the accuracy of testing result.It is existing general using ultrasonic or oscillation mixing side
Formula, but above two mode haves the defects that long processing period.For this purpose, some companies by by multiple reaction cups be placed in by
It is mixed in the mixing cylinder of power-driven mechanism driving.Utility model CN205868133U discloses a kind of reagent mixing dress
It sets, including driving mechanism and turntable, multiple row reaction cup is arranged on turntable, driving mechanism drives turntable to turn by central rotating shaft
It is dynamic, so that revolution and rotation occur for the reaction cup on turntable, realize the mixing of liquid.Although above-mentioned technical proposal can be improved mixed
Even efficiency, but reaction cup arranging density is big, mixed effect difference and reaction cup pick-and-place inconvenience, during rotation between reaction cup
Touch frequent occurrence and lead to reaction cup surface abrasion, seriously affect the permeability of reaction cup, so influence testing result can
By property.
Summary of the invention
The utility model aim is to provide a kind of fixed reagent evenly mixing device for in-vitro diagnosis equipment, can not only
Enough ensure mixed effect, moreover it is possible to avoid reaction cup surface abrasion, protect reaction cup.
To achieve the above object, the utility model takes following technical proposals:
Fixed reagent evenly mixing device described in the utility model for in-vitro diagnosis equipment, including be set on the base
Power-driven mechanism and the side of being set on the base rotating member, the power-driven mechanism includes the U that base bottom is arranged in
Shape mounting plate is provided with motor on the U-shaped mounting plate bottom plate, and the working shaft of the motor tilts upward extension, the work
Axis is connected with the eccentric shaft being coaxially set by shaft coupling, and the eccentric shaft is up big and down small step-like structure, eccentric shaft
Middle part is connect by first bearing with the base rotation, and eccentric shaft top extends pedestal and offers mounting hole, and described turn
Moving part is the mixing cylinder extended vertically, and the mixing cylinder lower part is arranged in the mounting hole by second bearing, mixes cylinder
Top is fixedly connected with by position-limit mechanism and the pedestal.
The position-limit mechanism includes vertically being connected in the limited block of the pedestal right end and being horizontally set on the limited block
On gag lever post, described gag lever post one end with mix that cylinder is threadedly coupled and its other end passes through 3rd bearing and the limited block phase
Connection.
The left end of the base upper surface is provided with the mounting blocks of Z-shape structure, and the mounting blocks medial surface is provided with
One sensor is provided with the sensor chip that the first sensor matches on the left of the mixing cylinder.
The second sensor for detecting reaction cup, the first sensor and second are provided at the top of the mounting blocks
The signal output end of sensor is electrically connected with the signal input part of controller, the control output end of the controller and the motor
Control signal electrical connection.
The eccentric shaft axis and 90 ° of angle α < for mixing cylinder axis.
The utility model advantage is that structure is simple, and it is convenient that reaction cup picks and places, easy to operate, can not only ensure to mix effect
Fruit, additionally it is possible to protect reaction cup surface, be further ensured that the reliability of testing result.Motor is driven inclined by working shaft when work
Central axis, due to eccentric shaft axis and mix the axis of cylinder there are certain angle, so that mixing cylinder in eccentric shaft and limit
Rotation occurs around its axis under the collective effect of mechanism, motion profile is helical trajectory, and mixed effect is effectively ensured；Reaction
Cup top, which is installed on, to be mixed in cylinder, and its underpart and mixing cylinder clearance fit avoid the occurrence of reaction cup surface abrasion phenomenon, and protection is anti-
A glass surface is answered, guarantees the translucency of reaction cup, and then guarantee the reliability of testing result.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic cross-sectional view of Fig. 1.
Specific embodiment
As shown in Figure 1, 2, the fixed reagent evenly mixing device described in the utility model for in-vitro diagnosis equipment, including
The power-driven mechanism being arranged on pedestal 1 and the rotating member being arranged in above pedestal 1, the power-driven mechanism include setting
U-shaped mounting plate 2 in 1 bottom of pedestal is provided with motor 3 on 2 bottom plate of U-shaped mounting plate, and the working shaft 4 of the motor 3 inclines
It extends obliquely upward, the working shaft 4 is connected with the eccentric shaft 6 being coaxially set by shaft coupling 5, and the eccentric shaft 6 is upper big
Under small step-like structure, be rotatablely connected by first bearing 7.1 and the pedestal 1 in the middle part of eccentric shaft 6,6 top of eccentric shaft is prolonged
It stretches out pedestal 1 and offers mounting hole, rotating member is the mixing cylinder 8 extended vertically, mixes 8 lower part of cylinder and passes through second bearing 7.2
In the mounting hole, 6 axis of eccentric shaft and the angle for mixing 8 axis of cylinder are xx ° for setting；The top for mixing cylinder 8 passes through
Position-limit mechanism is fixedly connected with the pedestal 1, is mixed and is installed with reaction cup 14 in cylinder 8, and 14 top of reaction cup, which is installed on, mixes cylinder 8
Interior, its underpart and mixing 8 clearance fit of cylinder avoid the occurrence of 14 surface abrasion phenomenon of reaction cup, protect 14 surface of reaction cup, guarantee
The translucency of reaction cup 14, and then guarantee the reliability of testing result.As shown in Figure 1, 2, the position-limit mechanism includes vertical solid
It is connected in the limited block 9 and horizontally disposed gag lever post 10 of 1 right end of pedestal, described 10 one end of gag lever post passes through 3rd bearing
7.3 are connected to the upper end of the limited block 9, and the other end is threadedly coupled in 8 upper end of mixing cylinder and is integrated.Work
When, motor 3 is rotated by the drive eccentric shaft 6 of working shaft 4, since 6 axis of eccentric shaft and mixing 8 axis angle α of cylinder are 4 ° (certain
According to the actual situation, the also adjustable any angle at less than 90 °), cylinder 8 is mixed in gag lever post 10, limited block 9 and eccentric shaft
Mixing cylinder 8 around its axis rotation under 6 collective effect will not revolve with eccentric shaft 6, and motion profile is helical trajectory, it is ensured that
Mixed effect.
As shown in Figure 1, 2, the left end of 1 upper surface of pedestal is provided with the mounting blocks 11 of Z-shape structure, the mounting blocks
11 medial surfaces are provided with first sensor 12, and the left side for mixing cylinder 8 is provided with the biography that the first sensor 12 matches
Sensor sensing chip 13, only when first sensor 12 detects 13 signal of sensor chip, 14 upper surface of reaction cup is in water
Level state；The top of the mounting blocks 11 is provided with the second sensor 15 for detecting reaction cup 14, the first sensor
12 and the signal output end of second sensor 15 and the signal input part of controller be electrically connected, the control output end of the controller
It is electrically connected with the control signal of the motor 3.
When work, reaction cup 14 is installed on and is mixed in cylinder 8, signal passes to second sensor 15 in place by reaction cup 14
To motor 3 action command occurs for controller, controller, and motor 3 drives 6 rotation of eccentric shaft by working shaft 4, mixes cylinder 8 inclined
Around its axis rotation under mandrel 6 and the collective effect of position-limit mechanism, the motion profile for mixing cylinder 8 is helical trajectory, so that instead
It answers the liquid in cup 14 to generate vortex phenomenon, guarantees mixed effect；Motor 3 is closed after mixing, is mixed the deceleration of cylinder 8 and is stopped turning
Dynamic, second sensor 15 mixes the complete stopping of cylinder 8 movement when sensing the signal of sensor chip 13, mixes cylinder 8 at this time and pushes up
Face is in horizontality, convenient for taking reaction cup 14, while placing the reaction cup for needing to mix.
Claims (5)
1. a kind of fixed reagent evenly mixing device for in-vitro diagnosis equipment, including the power drive being arranged on pedestal (1)
Mechanism and the rotating member being arranged above pedestal (1), the power-driven mechanism include that U-shaped of the setting in pedestal (1) bottom is pacified
Loading board (2) is provided with motor (3) on U-shaped mounting plate (2) bottom plate, it is characterised in that: the working shaft (4) of the motor (3)
Extension is tilted upward, the working shaft (4) is connected with the eccentric shaft (6) being coaxially set, the eccentric shaft by shaft coupling (5)
(6) it is up big and down small step-like structure, is connected in the middle part of eccentric shaft (6) by first bearing (7.1) and the pedestal (1) rotation
It connecing, eccentric shaft (6) top extends pedestal (1) and offers mounting hole, and the rotating member is the mixing cylinder (8) extended vertically,
The mixing cylinder (8) lower part is arranged in the mounting hole by second bearing (7.2), and the top for mixing cylinder (8) passes through limit
Mechanism is fixedly connected with the pedestal (1).
2. the fixed reagent evenly mixing device according to claim 1 for in-vitro diagnosis equipment, it is characterised in that: described
Position-limit mechanism includes the limited block (9) and horizontally disposed gag lever post (10) for being vertically connected in the pedestal (1) right end, the limit
Position bar (10) one end is connected to the upper end of the limited block (9), the other end and the mixing cylinder by 3rd bearing (7.3)
(8) upper end is threadedly coupled and is integrated.
3. the fixed reagent evenly mixing device according to claim 1 or 2 for in-vitro diagnosis equipment, it is characterised in that:
The left end of pedestal (1) upper surface is provided with the mounting blocks (11) of Z-shape structure, and mounting blocks (11) medial surface is provided with
First sensor (12) is provided with the sensor sensing that the first sensor (12) matches on the left of mixing cylinder (8)
Piece (13).
4. the fixed reagent evenly mixing device according to claim 3 for in-vitro diagnosis equipment, it is characterised in that: described
Be provided with the second sensor (15) for detecting reaction cup (14) at the top of mounting blocks (11), the first sensor (12) and
The signal output end of second sensor (15) is electrically connected with the signal input part of controller, the control output end of the controller with
The control signal of the motor (3) is electrically connected.
5. the fixed reagent evenly mixing device according to claim 1 for in-vitro diagnosis equipment, it is characterised in that: described
Eccentric shaft (6) axis and 90 ° of angle α < for mixing cylinder (8) axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889408.9U CN209086048U (en) | 2018-11-16 | 2018-11-16 | Fixed reagent evenly mixing device for in-vitro diagnosis equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889408.9U CN209086048U (en) | 2018-11-16 | 2018-11-16 | Fixed reagent evenly mixing device for in-vitro diagnosis equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209086048U true CN209086048U (en) | 2019-07-09 |
Family
ID=67124346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821889408.9U Active CN209086048U (en) | 2018-11-16 | 2018-11-16 | Fixed reagent evenly mixing device for in-vitro diagnosis equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209086048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770589A (en) * | 2019-07-18 | 2020-02-07 | 烟台艾德康生物科技有限公司 | Tubular luminous reagent oscillation and mixing device and method |
| CN112844151A (en) * | 2020-11-26 | 2021-05-28 | 珠海启奥生物技术有限公司 | Nucleic acid extraction equipment and mixing device based on eccentric oscillation |
-
2018
- 2018-11-16 CN CN201821889408.9U patent/CN209086048U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770589A (en) * | 2019-07-18 | 2020-02-07 | 烟台艾德康生物科技有限公司 | Tubular luminous reagent oscillation and mixing device and method |
| CN112844151A (en) * | 2020-11-26 | 2021-05-28 | 珠海启奥生物技术有限公司 | Nucleic acid extraction equipment and mixing device based on eccentric oscillation |
| CN112844151B (en) * | 2020-11-26 | 2022-12-20 | 上海金诺奥美生物科技有限公司 | Nucleic acid extraction equipment and mixing device based on eccentric oscillation |
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