CN206975060U - Analyzer cantilever mechanism - Google Patents
Analyzer cantilever mechanism Download PDFInfo
- Publication number
- CN206975060U CN206975060U CN201720754048.0U CN201720754048U CN206975060U CN 206975060 U CN206975060 U CN 206975060U CN 201720754048 U CN201720754048 U CN 201720754048U CN 206975060 U CN206975060 U CN 206975060U
- Authority
- CN
- China
- Prior art keywords
- cantilever
- driving wheel
- transmission belt
- displacement mechanism
- analyzer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
It the utility model is related to technical field of medical instruments, disclose a kind of analyzer cantilever mechanism, including standard shaft displacement mechanism, the standard shaft displacement mechanism includes cantilever, is fixed on the motor and transmission system of cantilever one end, the transmission system includes driving wheel on the motor shaft, located at the other end of driven pulley of cantilever, and the transmission belt of connection driving wheel and driven pulley, the transmission system also includes pressure roller structure, the pressure roller structure includes wheel shaft and pinch roller, and the pinch roller is located at outside the transmission belt and the transmission belt of driving wheel engaging portion.The utility model near the transmission belt of transmission belt and the engaging portion of driving wheel by setting pressure roller structure, and during effectively prevent driving, transmission belt and driving wheel jump tooth, cause driving apart from it is inaccurate the problems such as, improve the displacement accuracy of sampling probe etc..
Description
Technical field
The utility model belongs to technical field of medical instruments, is related to a kind of automatic analyzer cantilever machine for in-vitro diagnosis
Structure.
Background technology
The most commonly used diagnostic method of medical domain --- in-vitro diagnosis at present, refer to gather the body fluid of human body, row
Thing, secretion progress chemical composition or chemical reaction analysis are let out, so as to judge conditions of human body.Such as chemiluminometry, divide
Sub- diagnosis etc..These diagnostic methods, it is loaded, analyzed using automatically or semi-automatically instrument, and provides diagnosis report.
, it is necessary to set a set of displacement system that can accurately position during automatically analyzing, particularly add in sampling
, it is necessary to accurately find the position of sample or kit during sample, sample-adding is sampled.
In existing analyzer, mostly using the type of drive of motor and transmission belt, driving sample-adding sampling instrument is (as sampled
Pin etc.) it is moved to predetermined position.But the mode for utilizing motor and transmission belt to drive, although simple in construction, cost is low,
Existing transmission belt is substantially driven by way of cutting structure engages with driving wheel or driven pulley.When motor speed is very fast
When, the flank engagement of transmission belt and driving wheel or drive may occur to jump tooth, and engagement is not close, so as to cause shift length
Inaccuracy, the problems such as degree of accuracy of sampling probe shift position cannot ensure.
Utility model content
To solve the above problems, the utility model proposes a kind of analyzer cantilever mechanism, can effectively prevent from jumping tooth,
Displacement accuracy is high.
In order to achieve the above object, technical scheme provided by the utility model is：Analyzer cantilever mechanism, including standard shaft position
Telephone-moving structure, the standard shaft displacement mechanism include cantilever, are fixed on the motor and transmission system of cantilever one end, the power train
System includes driving wheel on the motor shaft, located at the other end of driven pulley of cantilever, and connection driving wheel and driven pulley
Transmission belt, the transmission system also include pressure roller structure, and the pressure roller structure includes wheel shaft and pinch roller, and the pinch roller is positioned at described
Outside transmission belt and the transmission belt of driving wheel engaging portion；Under normal operating conditions, the axle center of the pressure roller structure to drive sprocket axle
Distance and pinch roller radius sum of the transmission belt upper surface to driving wheel axle center when the distance of the heart is more than engagement.
Preferably, transmission belt upper surface is to actively when the distance ratio in the axle center of the pressure roller structure to driving wheel axle center engages
Take turns the distance and the big 0.2-0.4mm of pinch roller radius sum in axle center.
Preferably, the pressure roller structure on the driving wheel has two, and its pinch roller engages positioned at transmission belt with driving wheel respectively
Outside the transmission belt at partial both ends；Or the pressure roller structure on driving wheel has 1 or 3, respectively positioned at the engaging portion
Outside transmission belt.
Preferably, the driving wheel is flank of tooth wheel, and the transmission belt is provided with second with the flank engagement of the driving wheel
The flank of tooth.
Preferably, described cantilever one end is provided with an installing plate, and the motor passes through the fixed block that is connected with its non-shaft stretching end
It is fixed on the fixed plate being connected with its axle stretch end on the installing plate.
Preferably, the fixed plate is provided with a through hole, and the motor shaft is connected through the through hole with the driving wheel.
Preferably, the wheel shaft of the pressure roller structure is fixed in the fixed plate.
Preferably, the driven pulley is smooth surface wheel, or the flank of tooth wheel with the second flank engagement of the transmission belt.
Preferably, the standard shaft is X-axis, and the cantilever mechanism also includes and the orthogonal Y-axis displacement mechanism of the X-axis
With Z axis displacement mechanism；The cantilever is provided with the slide rail along X-direction, and the Y-axis displacement mechanism can be in the transmission system
Slide rail described in lower edge is driven to slide；The Z axis displacement mechanism can be in the case where the transmission system of Y-axis displacement mechanism drives along Y direction
It is mobile；The Z axis displacement mechanism is provided with sampling probe；The sampling probe can be in the case where the transmission system of Z axis displacement mechanism drives along Z
Direction of principal axis moves.
Preferably, the both ends of the cantilever be respectively provided with a motor, two be engaged respectively with the motor at both ends
Described transmission system and two corresponding with the transmission belt of described two transmission systems respectively slide rails；Described two cunnings
Each a set of Y-axis displacement mechanism of setting is distinguished on rail and transmission system；It is respectively arranged with the two Y-axis displacement mechanism described
Z axis displacement mechanism.
The beneficial effects of the utility model：The utility model analyzer cantilever mechanism：
(1) by setting pressure roller structure near the transmission belt of transmission belt and the engaging portion of driving wheel, effectively prevent
During driving, transmission belt and driving wheel jump tooth, cause driving apart from it is inaccurate the problems such as, improve the displacement essence of sampling probe etc.
Degree.
(2) two sets of displacement mechanisms are set simultaneously on a cantilever, the sampling probe quantity of work in analyzer is added, carries
The high efficiency of sampling sample-adding.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of the utility model cantilever mechanism embodiment one；
Fig. 2 is the partial structural diagram at cantilever mechanism A ends in Fig. 1.
Reference：10th, X-axis displacement mechanism；11st, cantilever；12nd, motor；121st, fixed block；122nd, fixed plate；13rd, actively
Wheel；14th, transmission belt；15th, driven pulley；16th, pressure roller structure；161st, pinch roller；162nd, wheel shaft；17th, installing plate；18th, slide rail；19th, it is sliding
Block；20th, Y-axis displacement mechanism；30th, Z axis displacement mechanism；40th, sampling probe.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
As illustrated in fig. 1 and 2, it is the embodiment of the utility model analyzer cantilever mechanism, automatic point for in-vitro diagnosis
In analyzer, the automatic moving mechanism as sampling probe.The cantilever mechanism includes standard shaft displacement mechanism, in the embodiment, standard shaft
Displacement mechanism is X-axis displacement mechanism 10, the X-axis displacement mechanism 10 include cantilever 11, be fixed on the one end of cantilever 11 motor 12,
And transmission system.Wherein, transmission system include driving wheel 13 on the axle of motor 12, located at cantilever 11 it is other end of from
The transmission belt 14 of driving wheel 15, connection driving wheel 13 and driven pulley 15, and pressure roller structure 16.The pressure roller structure 16 includes wheel shaft
162 and pinch roller 161, wherein, pinch roller 161 be located at transmission belt 14 with outside the transmission belt 14 of the engaging portion of driving wheel 13；Normal work
Under state, the upper surface of transmission belt 14 is to driving wheel 13 when the distance in the axle center of pressure roller structure 16 to the axle center of driving wheel 13 is more than engagement
The distance in axle center and the radius sum of pinch roller 161.Such as the axle center of pressure roller structure 16 to the axle center of driving wheel 13 distance than engagement when
Distance and pinch roller 161 radius sum big 0.2-0.4mm of the upper surface of transmission belt 14 to the axle center of driving wheel 13.That is, normally engaging
In the case of, there is gap in the outer surface of pinch roller 161, the gap preferably exists between the upper surface of site of engagement transmission belt 14
Between 0.2-0.4mm, to ensure the normal operation of transmission belt 14 and driving wheel 13.And when transmission belt 14 will be with driving wheel 13
In the case that the engagements such as transmission jump tooth are bad, as long as transmission belt 14 somewhat departs from driving wheel 13, just pinch roller 161 can be encountered at once,
Pushed down by pinch roller 161, so as to avoid the generation for jumping tooth, during effectively prevent driving, transmission belt 14 is jumped with driving wheel 13
Tooth, cause driving apart from it is inaccurate the problems such as, improve the displacement accuracy of sampling probe.
In the embodiment, driving wheel 13 is flank of tooth wheel, and transmission belt 14 is provided with second with the flank engagement of the driving wheel 13
Flank of tooth (not shown).Driven pulley 15 is smooth surface wheel, or the flank of tooth wheel with the second flank engagement of transmission belt 14.
Preferably, the pressure roller structure 16 on driving wheel 13 has two, and its pinch roller 161 is located at transmission belt 14 and driving wheel respectively
Near the transmission belt upper surface of 13 engaging portions both ends.Or the pressure roller structure 16 on driving wheel 13 can also be 1 or 3,
On the transmission belt for any position that the pinch roller 161 of single pressure roller structure 16 can be located at transmission belt 14 and the engaging portion of driving wheel 13
Near surface, to be preferred positioned at the centre position of engaging portion.3 pinch rollers 161 of 3 pressure roller structures 16 can then distinguish position
Near the transmission belt upper surface in the both ends of transmission belt 14 Yu the engaging portion of driving wheel 13 and centre position, the effect of anti-jump tooth is more
It is good.
In the embodiment, an installing plate 17 is provided with the one end of cantilever 11, above-mentioned motor 12 with its non-shaft stretching end then by connecting
The fixed block 121 connect and the fixed plate 122 being connected with its axle stretch end are fixed on the installing plate 17, fixed block 121 and installing plate
17th, fixed plate 122 and the preferably dismountable fixed form of fixed form of installing plate 17, such as bolt are fixed.Wherein, fixed plate
122 are provided with a through hole, and the axle of motor 12 is then connected through the through hole with above-mentioned driving wheel 13.The wheel shaft 162 of above-mentioned pressure roller structure 16
It also is secured in the fixed plate 122.
As shown in figure 1, the cantilever mechanism can also include Y-axis displacement mechanism 20 orthogonal with above-mentioned X-axis and Z axis position
Telephone-moving structure 30.The slide rail 18 along X-direction is provided with above-mentioned cantilever 11, Y-axis displacement mechanism 20 can be in above-mentioned transmission system
Drive the lower edge slide rail 18 to slide, such as one end of Y-axis displacement mechanism 20 is fixed on a sliding block 19, sliding block 19 is again movably
It is installed on slide rail 18, and sliding block 19 is fixedly connected with above-mentioned conveyer belt 14, and the mobile of transmission belt 14 will be with movable slider 19 and Y
Axial displacement mechanism 20 moves along slide rail 18.Similar, Z axis displacement mechanism 30 also can be in the transmission system band of Y-axis displacement mechanism 20
Moved under dynamic along Y direction.Sampling probe 40 is provided with Z axis displacement mechanism 30, the sampling probe 40 can be in Z axis displacement mechanism 30
Transmission system moves under driving along Z-direction.In this way, sampling probe can move up according to instruction in 3 X-axis, Y-axis and Z axis directions
It is dynamic, accurately positioned, be accurately finished the action such as sampling, sample-adding, playback.
Embodiment 2
When some mechanisms only need moving on straight line (one-dimensional), the cantilever mechanism in above-described embodiment can be only
Using above-mentioned X-axis displacement structure, Y-axis and Z axis displacement mechanism are dispensed.When needing moving on a plane (two dimension), then
Z axis displacement mechanism can be dispensed only with X-axis displacement mechanism and Y-axis displacement mechanism.
Embodiment 3
As shown in figure 1, in above-described embodiment, a motor 12, the respectively electricity with both ends are respectively provided with the both ends of cantilever 11
Two above-mentioned transmission systems that machine 12 is engaged and corresponding with the transmission belt 14 of the two transmission systems respectively two
Slide rail 18；Each a set of above-mentioned Y-axis displacement mechanism 20 of setting is distinguished on two slide rails 18 and transmission system；In two Y-axis displacement mechanisms
Above-mentioned Z axis displacement mechanism 30 is set again respectively on 20.Two sets of displacement mechanisms are set simultaneously i.e. on a cantilever 11, so
Increase the sampling probe quantity of work in analyzer, improve the efficiency of sampling sample-adding.
Certainly, the quantity of displacement mechanism can be set according to actual needs, can be only in the case that workload is not high
The displacement mechanism singly covered is set, such as a set of X-axis displacement mechanism is only set.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments without departing from the scope of the technological thought of the present invention' completely.This invention
Technical scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
1. analyzer cantilever mechanism, including standard shaft displacement mechanism, the standard shaft displacement mechanism includes cantilever (11), is fixed on cantilever
(11) motor (12) and transmission system of one end, the transmission system include driving wheel (13) on motor (12) axle,
Located at cantilever (11) other end of driven pulley (15), and the transmission belt (14) of driving wheel (13) and driven pulley (15) is connected,
It is characterized in that：The transmission system also includes pressure roller structure (16), and the pressure roller structure (16) includes wheel shaft (162) and pinch roller
(161), the pinch roller (161) is located at the transmission belt (14) of the transmission belt (14) and driving wheel (13) engaging portion outside；Normally
Under working condition, when the distance in axle center to driving wheel (13) axle center of the pressure roller structure (16) is more than engagement on transmission belt (14)
Distance and pinch roller (161) radius sum of the surface to driving wheel (13) axle center.
2. analyzer cantilever mechanism according to claim 1, it is characterised in that：The axle center of the pressure roller structure (16) to master
Distance and pinch roller (161) half of transmission belt (14) upper surface to driving wheel (13) axle center when the distance in driving wheel (13) axle center is than engagement
Big 0.2-the 0.4mm of footpath sum.
3. analyzer cantilever mechanism according to claim 1, it is characterised in that：Pressure roller structure on the driving wheel (13)
(16) there are two, its pinch roller (161) is respectively positioned at transmission belt (14) and the transmission belt at the both ends of driving wheel (13) engaging portion
(14) outside；Or the pressure roller structure (16) on driving wheel (13) has 1 or 3, respectively positioned at the transmission belt of the engaging portion
(14) outside.
4. analyzer cantilever mechanism according to claim 1, it is characterised in that：The driving wheel (13) is flank of tooth wheel, institute
Transmission belt (14) is stated provided with second flank of tooth with the flank engagement of the driving wheel (13).
5. analyzer cantilever mechanism according to claim 1, it is characterised in that：Described cantilever (11) one end is provided with an installation
Plate (17), the motor (12) pass through the fixed block (121) being connected with its non-shaft stretching end and the fixed plate being connected with its axle stretch end
(122) it is fixed on the installing plate (17).
6. analyzer cantilever mechanism according to claim 5, it is characterised in that：The fixed plate (122) is provided with a through hole,
Motor (12) axle is connected through the through hole with the driving wheel (13).
7. analyzer cantilever mechanism according to claim 5, it is characterised in that：The wheel shaft of the pressure roller structure (16)
(162) it is fixed in the fixed plate (122).
8. analyzer cantilever mechanism according to claim 1, it is characterised in that：The driven pulley (15) is smooth surface wheel, or
With the flank of tooth wheel of the second flank engagement of the transmission belt (14).
9. according to the analyzer cantilever mechanism described in claim any one of 1-8, it is characterised in that：The standard shaft is X-axis, described
Cantilever mechanism also includes Y-axis displacement mechanism (20) orthogonal with the X-axis and Z axis displacement mechanism (30)；The cantilever
(11) slide rail (18) along X-direction is provided with, the Y-axis displacement mechanism (20) can be in the drive lower edge institute of the transmission system
State slide rail (18) slip；The Z axis displacement mechanism (30) can be in the case where the transmission system of Y-axis displacement mechanism (20) drives along Y-axis side
To movement；The Z axis displacement mechanism (30) is provided with sampling probe (40)；The sampling probe (40) can be in Z axis displacement mechanism (30)
Transmission system drive under moved along Z-direction.
10. analyzer cantilever mechanism according to claim 9, it is characterised in that：The both ends of the cantilever (11) are respectively provided with
Transmission system described in one motor (12), two be engaged respectively with the motor (12) at both ends and respectively with institute
State two corresponding slide rails (18) of the transmission belt of two transmission systems；It is each respectively on described two slide rails (18) and transmission system
A set of Y-axis displacement mechanism (20) is set；The Z axis displacement mechanism is respectively arranged with the two Y-axis displacement mechanism (20)
(30)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720754048.0U CN206975060U (en) | 2017-06-27 | 2017-06-27 | Analyzer cantilever mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720754048.0U CN206975060U (en) | 2017-06-27 | 2017-06-27 | Analyzer cantilever mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206975060U true CN206975060U (en) | 2018-02-06 |
Family
ID=61405811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720754048.0U Active CN206975060U (en) | 2017-06-27 | 2017-06-27 | Analyzer cantilever mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206975060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247153A (en) * | 2017-06-27 | 2017-10-13 | 苏州长光华医生物医学工程有限公司 | Analyzer cantilever mechanism |
-
2017
- 2017-06-27 CN CN201720754048.0U patent/CN206975060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247153A (en) * | 2017-06-27 | 2017-10-13 | 苏州长光华医生物医学工程有限公司 | Analyzer cantilever mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201045617Y (en) | Test cup continuous conveyer for full-automatic cruor measurement | |
| CN105571531A (en) | Dynamic detecting device and adjusting method for misalignment of rotating machine | |
| CN104502178A (en) | Full-automatic testing tube liquid sample blending device and hematology analyzer | |
| CN205482837U (en) | Rotating machinery is centering dynamic verification device not | |
| CN101782588B (en) | Double-needle sample sucking mechanism applicable to full-automatic blood type analytical instrument | |
| CN205898829U (en) | A advance to clamp and put for fluorescent quantitation analysis appearance | |
| CN206975060U (en) | Analyzer cantilever mechanism | |
| CN102175205B (en) | Device and method for measuring contour line of pipe wall thickened section of drill rod | |
| CN203658379U (en) | Sampling device of full-automatic blood type instrument | |
| CN102778578B (en) | Full-automatic analyzing instrument and mechanical rotary arm thereof | |
| CN202049086U (en) | Tension and compression testing machine for construction thermal insulation materials | |
| CN202305544U (en) | Sample adding device of blood cell analyzer | |
| CN107247153A (en) | Analyzer cantilever mechanism | |
| CN206804398U (en) | Can the body fluid sample of automatic clamping and placing sample container be mixed device | |
| CN102944411A (en) | Mine carrier roller dynamic property experiment table | |
| CN104931713B (en) | It is a kind of to drag sampling device for cellanalyzer | |
| CN216846939U (en) | Working platform of intelligent quality inspection equipment for comprehensive performance of electric cylinder | |
| CN206975058U (en) | Analyzer reaction cup transport mechanism | |
| CN203502427U (en) | Mechanical arm for sample application | |
| CN105253730A (en) | Elevator hoistway simulation method and simulation device | |
| CN209086146U (en) | Chemiluminescent analyzer XZ axis fast sampling mechanism | |
| CN203148723U (en) | Biochemical analyzer sampling and stirring device | |
| CN201170765Y (en) | Apparatus for testing reliability of railway engine cable flection | |
| CN201707127U (en) | Meshing noise detecting device | |
| CN203559698U (en) | Full-automatic safety-deposit box translation mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |