CN207908534U - A kind of rotary sample addition arm assembly with agitating function - Google Patents
A kind of rotary sample addition arm assembly with agitating function Download PDFInfo
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- CN207908534U CN207908534U CN201820220751.8U CN201820220751U CN207908534U CN 207908534 U CN207908534 U CN 207908534U CN 201820220751 U CN201820220751 U CN 201820220751U CN 207908534 U CN207908534 U CN 207908534U
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Abstract
A kind of rotary sample addition arm assembly with agitating function, including sample needle, vertical arm, transverse arm, rotating mechanism and up-down mechanism；Rotating platform is fixed on the rotating wheel of rotating mechanism, and between rotating wheel and transverse arm, the extending direction of rotating platform is identical as transverse arm；Vertical arm passes through rotating platform；Eccentric wheel, eccentric wheel is arranged on rotating platform, and rotates around the axis；The sample needle being fixed on transverse arm passes through eccentric wheel, and deviates shaft；Power plant module, power plant module drive eccentric wheel rotation.The utility model has many advantages, such as simple in structure, full-featured.
Description
Technical field
The utility model is related to biochemical analysis, more particularly to the rotary sample addition arm assembly with agitating function.
Background technology
In in-vitro diagnosis equipment, conventional sample arm only has plus the function of sampling, the sample of reagent reaction process or mixed
Closing liquid agitating procedure needs special device to realize.Such as there is special flexible swing arm in conventional specific protein analyzer,
The terminal of swing arm is a spiral flat shape mixing needle, is driven by motor so that mixing needle enters reaction cup or sample tube is real
Existing agitating function.This kind of sample arm has many deficiencies, such as：
1. this kind of stirring dress needs special motor, need to realize in fixed station, it is more complicated that this needs equipment to have
Function, also the reaction process time can be made longer.
2. up and down motion realizes that this transmission cannot transmit high-torque with toothed belt transmission.Such as now increasingly
In more in-vitro diagnosis application scenarios, hospital doctor or laboratory prefer to puncture test tube with block, and this test tube opening is
It is shut with silica gel sheath, needs that this or reagent could be realized plus sampled with special puncture needle.
Invention content
Problem to be solved in the utility model be to provide it is a kind of can block puncture test tube sampling with agitating function
Rotary sample addition arm assembly.
The present invention with technical solution by being realized：
A kind of rotary sample addition arm assembly with agitating function, including sample needle, vertical arm, transverse arm, the vertical arm
Upper end is fixedly connected with the left end of the transverse arm, and the upper end of the sample needle is vertically fixed on the turntable of transverse arm, further includes：
Rotating mechanism comprising upper bracket plate is rotatably connected to rotating wheel, the upper bracket plate above the upper bracket plate
On be additionally provided with driving rotating wheel rotation the first power plant module, rotating wheel axial direction upper end be fixedly connected with it is described
The identical rotating platform of transverse arm extending direction, the vertical arm sequentially pass through rotating platform, rotating wheel shaft core position from top to bottom
With upper bracket plate, the vertical arm is rotated with rotating wheel, and the vertical arm moves along a straight line up and down relative to rotating wheel；The rotation
Turning to be provided with the eccentric wheel to rotate around the axis on platform, the sample needle passes perpendicularly through the position for deviateing its shaft on eccentric wheel,
The second power plant module that driving eccentric wheel is rotated around its shaft is additionally provided on the rotating platform；
Up-down mechanism pushes vertical arm to move up and down.So design, is conducive to sample needle and conveniently punctures test tube cap
Cap, eccentric wheel drive sample needle to shake, realize stir in situ function, so as to shorten the reaction process time, rotating mechanism has
It is loaded conducive to different location is rotated to.
Further, the up-down mechanism includes lower bracket plate, leading screw and the moving member being aligned with upper bracket plate, institute
The both ends for stating leading screw are fixed on upper bracket plate and lower bracket plate by bearing rotary respectively, are installed on the lower bracket plate
The guide rail of upper bracket plate, the moving member is supported to be equipped with the guide rail hole for coordinating sliding on guide rail, the moving member is equipped with
It is equipped with connecting plate with the side of the screw hole of leading screw cooperation, the moving member, bearing is fixed on connecting plate and passes through bearing
It is rotatablely connected the lower end of the vertical arm, the lower bracket plate is equipped with the third power plant module of driving leading screw forward and reverse rotation.
So design, the cooperation of leading screw, guide rail and moving member, stable and firm makes rotating mechanism move up and down, and has prodigious
Reduction ratio can amplify Motor torque, to realize that high-torque transmits, and then reach the mesh for going to puncture test tube cap using sample needle
's.
Further, the third power plant module includes the third motor being arranged on lower bracket plate, the leading screw lower part
It is fixed with driven gear, the output shaft of the third motor drives driven gear rotation by driving gear.So design, third
Power plant module mounting structure is compact, and gear drive is accurate.
Further, the first power plant module includes the first motor being arranged on the upper bracket plate, first motor
Output shaft fixed driving wheel the rotating wheel is connected by belt；Second power plant module includes being arranged in the rotating platform
On the second motor, be welded with driven pulley below the eccentric wheel, axle center and the eccentric wheel of the driven pulley rotate
Axle center overlaps, and the fixed driving wheel of output shaft of second motor connects the follower belt below the eccentric wheel by belt
Wheel.So design, the first power plant module and the second power plant module transmission effect stability and simple in structure.
Further, the right end of the transverse arm is equipped with fixed plate, and the fixed plate is installed below around the shaft in horizontal plane
The turntable of rotation, the axle center of the turntable are opposite with the axle center of the eccentric wheel.So design, turntable can preferably coordinate sample-adding
Needle Stirring.
Further, the vertical arm is coordinated by ball spline respectively with rotating wheel and upper bracket plate.So design, side
Just when vertical arm moves along a straight line, torque can be transmitted, the load and power of excess can be transmitted, and is had a longer life expectancy.
Acquired advantageous effect is the utility model compared with prior art：Utilize the bias being arranged on rotating platform
The cooperation of wheel and turntable realizes stir in situ function to drive sample needle to shake, so as to shorten the reaction process time；
It is driven using ball screw, there is prodigious reduction ratio, Motor torque can be amplified, to realize that high-torque transmits, in turn
Achieve the purpose that go to puncture test tube cap using sample needle, power plant module is compact-sized, simple and stablize.
The utility model is simple and compact for structure, easy to maintenance, service life is long.
Description of the drawings：
Fig. 1 is rotary sample addition arm assembly structural schematic diagram described in the utility model；
Fig. 2 is rotary sample addition arm assembly working state schematic representation shown in Fig. 1；
In figure：1, upper bracket plate, 2, vertical arm, 3, transverse arm, 4, sample needle, the 51, second belt pulley, 6, rotating platform, 7,
Eccentric wheel, 81, lead screw, 82, third motor, 83, connecting plate, 84, moving member 11, rotating wheel.
Specific implementation mode
Specific embodiment of the present utility model is further described in detail below in conjunction with the accompanying drawings.
A kind of rotary sample addition arm assembly with agitating function as shown in Figure 1, Figure 2, including sample needle 4, vertical arm 2, transverse arm
3, the upper end of vertical arm 2 is fixedly connected with the left end of transverse arm 3, and the right end of transverse arm 3 is equipped with fixed plate, and fixed plate, which is installed below, to rotate
The turntable that axis is rotated in horizontal plane；
Rotating mechanism comprising upper bracket plate 1, upper bracket plate 1 are rotatably connected to rotating wheel 11 above, on upper bracket plate 1
It is additionally provided with the first power plant module that driving rotating wheel 11 rotates, in order to which stabilized driving rotating wheel rotates, the first power plant module packet
The first motor being arranged on upper bracket plate is included, the fixed driving wheel of output shaft of the first motor connects rotating wheel by belt
11；11 axial direction upper end of rotating wheel is fixedly connected with rotating platform 6 identical with 3 extending direction of transverse arm, vertical arm 3 on to
Under sequentially pass through rotating platform 6,11 shaft core position of rotating wheel and upper bracket plate 1, vertical arm 2 and rotating wheel 11 and upper bracket plate 1
Coordinated respectively by ball spline；Vertical arm 2 is rotated with rotating wheel 11, and vertical arm 2 is transported relative to about 11 straight line of rotating wheel
It is dynamic；The eccentric wheel 7 to rotate around the axis is provided on rotating platform 6, in order to preferably sample needle be made to rotate, the axle center of eccentric wheel with
The axle center of the turntable of transverse arm is opposite；7 lower section of eccentric wheel is welded with driven pulley, and axle center and the eccentric wheel of driven pulley rotate
Axle center overlaps；Sample needle 4 passes perpendicularly through the position for deviateing its shaft on eccentric wheel 7, and driving eccentric wheel is additionally provided on rotating platform 6
7 the second power plant modules rotated around its shaft；Wherein, for stabilized driving eccentric wheel, the second power plant module includes that setting is being revolved
Turn the second motor on platform, the fixed driving wheel of output shaft of the second motor by 51 connecting eccentric wheel of the second belt below
Driven pulley；
Up-down mechanism pushes vertical arm to move up and down；Up-down mechanism includes the lower branch being aligned with upper bracket plate 1
The both ends of frame plate, leading screw 81 and moving member 84, leading screw 81 are fixed on upper bracket plate 1 and lower bracket plate by bearing rotary respectively,
The guide rail of support upper bracket plate 1 is installed on lower bracket plate, moving member 84 is equipped with the guide rail for coordinating sliding on guide rail
Hole, moving member 84 are equipped with the screw hole coordinated with leading screw 81, and the side of moving member 84 is equipped with connecting plate 83, is fixed on connecting plate 83
There is bearing and be rotatablely connected the lower end of vertical arm 2 by bearing, lower bracket plate is equipped with the of driving 81 forward and reverse rotation of leading screw
Three power plant modules.Wherein, third power plant module includes the third motor 82 being arranged on lower bracket plate, and 81 lower part of leading screw is fixed with
The output shaft of driven gear, third motor 82 drives driven gear rotation by driving gear.
The course of work of above-mentioned rotary sample addition arm is：
First power plant module drives rotating wheel rotation, rotating platform and transverse arm as rotating wheel rotates, and sample needle is in lid
The top of cap test tube；
Third power plant module driving lead screw rotates clockwise in situ, to drive moving member to move downward, and then drives perpendicular
Straight-arm moves downward, and sample needle punctures block and enters test tube interior；
Second power plant module drives eccentric wheel rotation, the sample needle of shaking to stir invisible spectro sample；After completing stirring, wear
Pierce sample needle extraction section sample；
Third power plant module driving lead screw rotates counterclockwise in situ, to drive moving member to move upwards, and then drives perpendicular
Straight-arm moves upwards, and sample needle is upwardly separated from test tube.
It should be noted last that the above specific implementation mode is only to illustrate the technical solution of the utility model rather than limit
System, although the utility model is described in detail with reference to preferred embodiment, it will be understood by those of ordinary skill in the art that,
The technical solution of the utility model can be modified or replaced equivalently, without departing from the essence of technical solutions of the utility model
God and range, should all cover in the right of the utility model.
Claims (6)
1. a kind of rotary sample addition arm assembly with agitating function, including sample needle（4）, vertical arm（2）, transverse arm（3）, described perpendicular
Straight-arm（2）Upper end be fixedly connected with the transverse arm（3）Left end, the sample needle（4）Upper end be vertically fixed on transverse arm（3）'s
On turntable, which is characterized in that further include：
Rotating mechanism comprising upper bracket plate（1）, the upper bracket plate（1）It is rotatably connected to rotating wheel above（11）, it is described on
Supporting plate（1）On be additionally provided with driving rotating wheel（11）First power plant module of rotation, the rotating wheel（11）On axial direction
End is fixedly connected with and the transverse arm（3）The identical rotating platform of extending direction（6）, the vertical arm（3）From top to bottom successively
Across rotating platform（6）, rotating wheel（11）Shaft core position and upper bracket plate（1）, the vertical arm（2）With rotating wheel（11）Turn
It is dynamic, the vertical arm（2）Relative to rotating wheel（11）Linear motion up and down；The rotating platform（6）On be provided with the shaft rotation that rotates
Dynamic eccentric wheel（7）, the sample needle（4）Pass perpendicularly through eccentric wheel（7）The upper position for deviateing its shaft, the rotating platform
（6）On be additionally provided with driving eccentric wheel（7）Around the second power plant module of its shaft rotation；
Up-down mechanism pushes vertical arm to move up and down.
2. rotary sample addition arm assembly according to claim 1, which is characterized in that the up-down mechanism includes and upper branch
Frame plate（1）Lower bracket plate, the leading screw of alignment（81）And moving member（84）, the leading screw（81）Both ends pass through bearing rotary respectively
It is fixed on upper bracket plate（1）With lower bracket plate, support upper bracket plate is installed on the lower bracket plate（1）Guide rail, institute
State moving member（84）It is equipped with the guide rail hole for coordinating sliding on guide rail, the moving member（84）It is equipped with and the leading screw（81）
The screw hole of cooperation, the moving member（84）Side be equipped with connecting plate（83）, connecting plate（83）On be fixed with bearing and pass through axis
Hold the rotation connection vertical arm（2）Lower end, the lower bracket plate be equipped with driving leading screw（81）The third of forward and reverse rotation
Power plant module.
3. rotary sample addition arm assembly according to claim 2, which is characterized in that the third power plant module includes that setting exists
Third motor on lower bracket plate（82）, the leading screw（81）Lower part is fixed with driven gear, the output of the third motor 82
Axis drives driven gear rotation by driving gear.
4. rotary sample addition arm assembly according to claim 1, which is characterized in that the first power plant module includes being arranged described
The fixed driving wheel of output shaft of the first motor on upper bracket plate, first motor connects the rotating wheel by belt
（11）；Second power plant module includes the second motor being arranged on the rotating platform, the eccentric wheel（7）Lower section be welded with from
Dynamic belt pulley, the axle center of the driven pulley are overlapped with eccentric wheel center of rotation, and the output shaft of second motor is fixed
Driving wheel passes through the second belt（51）Connect the driven pulley below the eccentric wheel.
5. rotary sample addition arm assembly according to claim 1, which is characterized in that the transverse arm（3）Right end be equipped with it is solid
The turntable rotated around the shaft in horizontal plane, the axle center of the turntable and the eccentric wheel is installed below in fixed board, the fixed plate
Axle center is opposite.
6. rotary sample addition arm assembly according to claim 1, which is characterized in that the vertical arm（2）With rotating wheel（11）
With upper bracket plate（1）Coordinated respectively by ball spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220751.8U CN207908534U (en) | 2018-02-08 | 2018-02-08 | A kind of rotary sample addition arm assembly with agitating function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220751.8U CN207908534U (en) | 2018-02-08 | 2018-02-08 | A kind of rotary sample addition arm assembly with agitating function |
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| CN207908534U true CN207908534U (en) | 2018-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844056A (en) * | 2019-10-08 | 2020-10-30 | 潍坊市康华生物技术有限公司 | Low-noise mechanical self-locking rotating arm device and using method |
-
2018
- 2018-02-08 CN CN201820220751.8U patent/CN207908534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844056A (en) * | 2019-10-08 | 2020-10-30 | 潍坊市康华生物技术有限公司 | Low-noise mechanical self-locking rotating arm device and using method |
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