CN105588785A - Sampling apparatus of hemorheology instrument - Google Patents
Sampling apparatus of hemorheology instrument Download PDFInfo
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- CN105588785A CN105588785A CN201510940191.4A CN201510940191A CN105588785A CN 105588785 A CN105588785 A CN 105588785A CN 201510940191 A CN201510940191 A CN 201510940191A CN 105588785 A CN105588785 A CN 105588785A
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- test tube
- lifting support
- lifting arm
- rotating disk
- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a sampling apparatus of a hemorheology instrument. The inner end of a lifting arm penetrates through one guide groove to extend into a lifting support and is connected with a driving mechanism, and a light blocking plate is arranged on the lifting arm and is matched with a groove-shaped photoelectric switch. Multiple sampling needles penetrating through a needle cleaning device are arranged at the outer end of the lifting arm. A dividing plate is coaxially arranged under a test tube turntable, slotted holes are formed in the dividing plate, a level gauging through hole is formed beside one slotted hole, a main photoelectric switch matched with the corresponding slotted hole is arranged besides the dividing plate, and an auxiliary photoelectric switch matched with the level gauging through hole is formed. The sampling apparatus of the hemorheology instrument has the advantages that the mode that the multiple sampling needles work simultaneously is adopted, the working efficiency of the single hemorheology instrument is greatly improved, and the cost is saved as a whole. In addition, the accuracy and stability of the hemorheology instrument in the working process are greatly improved by matching the photoelectric switches with the lifting arm and the test tube turntable for usage.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of blood rheological instrument sampling apparatus.
Background technology
Blood rheological instrument is a kind of medical machinery for checking blood viscosity. Adopting with tubulose on blood rheological instrumentSample pin is used for gathering blood sample. Supporting with sampling needle, the blood being sampled is all positioned in vitro, examinationPipe is placed on test tube rotating disk. Test tube dial rotation, sampling needle is sampled to blood in vitro successively. ForAvoid polluting, sampling needle in the course of the work can be through the sampling needle washer that is positioned at its below, to bloodWhen sampling, liquid synchronously completes the cleaning to sampling needle.
Existing blood rheological instrument sampling apparatus all only has a sampling needle, is facing the huge blood sample of quantityTime can need many blood rheological instruments to carry out work to raise the efficiency, but this mode can increase cost and cause moneySource waste. The lifting arm of existing blood rheological instrument is in the spacing action of rise and fall in addition, and test tube rotating diskIn the pause of rotation process, the induction installation of employing is Hall element, has caused not high the asking of accuracyTopic, in utility time, more long afterwards, problem is particularly outstanding.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of blood flowBecome instrument sampling apparatus.
Technical solution of the present invention is as follows: a kind of blood rheological instrument sampling apparatus, comprises casing, sampling needle, washes pinDevice, lifting support, lifting arm and test tube rotating disk, test tube rotating disk is made up of upper dish, lower wall and open tubular column, edgeThe rim that dish is provided with many group through holes, and described lifting support is rectangular tube, four sides of this rectangular tubeAlong the gathering sill that is vertically provided with bar shaped, the inner of described lifting arm is stretched into through one of them gathering sillIn lifting support, and be connected with driving mechanism, lifting arm can be along lifting support under the drive of driving mechanismMove up and down, on described lifting arm, be provided with light barrier, this light barrier stretches into another on lifting supportIn gathering sill, the flute profile optoelectronic switch that matches with light barrier is arranged at described lifting support by installed partTop; The below of described lifting arm outer end is provided with multiple sampling needles, and sampling needle is through the institute that is positioned at its belowState and wash pin device, wash pin device and be fixedly connected on described lifting support bottom; Described test tube rotating disk is positioned at washes pin deviceBelow is provided with index dial under test tube rotating disk, and index dial is coaxial with described test tube rotating disk, alongThe rim of index dial is provided with multiple slotted eyes, and the one group of through hole coiling on the corresponding test tube rotating disk of each slotted eye, at itIn the side of a slotted eye be provided with a meter position through hole, this slotted eye, as the initial position of counting, coordinates with slotted eyeKey light electric switch be arranged at the side of index dial, be provided with described meter position logical on the side of key light electric switchThe auxiliary optoelectronic switch that hole coordinates, described auxiliary optoelectronic switch and key light electric switch are all fixed in casing.
Adopt above technical scheme, lifting arm moves up and down along lifting support under the driving of driving mechanism,Simultaneously because sampling needle is fixedly installed on bottom, lifting arm outer end, so sampling needle can be gone up together along with lifting armLower movement. Sampling needle is through washing pin device. The test tube rotating disk of washing pin device below has gathered blood sample for placingTest tube, when test tube dial rotation, coordinate the sampling needle that moves down to carry out blood sampling. Due to test tubeBlood sample on rotating disk relates to many groups, thus specifically to every group definite need location and counting. FixedRealize by index dial and optoelectronic switch with the function of counting position.
Index dial and test tube rotating disk coaxially and synchronize rotation, the corresponding one group of through hole of each slotted eye on index dial,To play the effect of one group of through hole of a slotted eye mark and location. Because each slotted eye and each group of through hole are circumferenceArrange, can select arbitrarily the initial slotted eye of a slotted eye as counting, through hole on the other side is also labeled asInitial through hole. Initial slotted eye and the meter position through hole that is arranged on initial slotted eye side respectively with key light electric switch andAuxiliary optoelectronic switch is used in conjunction with. In the time that test tube dial rotation arrives initial slotted eye position, by initial slotted eye and meterPosition through hole, key light electric switch and auxiliary optoelectronic switch are connected simultaneously, and two optoelectronic switches pass the signal along to simultaneouslyThe control module being attached thereto, memorize is initial position. In the time that test tube dial rotation arrives other slotted eye position,Only have key light electric switch to connect, the signal that key light electric switch passes to control module plays calculating effect.
Further, described driving mechanism comprises drive, belt and motor, and motor is arranged on lifting supportThe side of end, the output shaft of this motor stretches in lifting support, and is connected with driving wheel, and described driving wheel is logicalCross belt and be connected with drive, the inner and the belt of described lifting arm fix, and described drive is positioned at liftingIn the pipe of support lower end, wheel shaft and the lifting support of drive fix. By motor, drive and beltCombination drive the mode of lifting arm motion structurally simpler, be convenient to manufacture and assembling, andAlso cheaper on production cost.
Further, described installed part is L-type, is made up of the riser of installed part and described liter riser and transverse slatDescending branch frame fits fixing, and described flute profile optoelectronic switch is arranged on the transverse slat of installed part. The installed part knot of L-typeStructure is simple, is easy to processing and fabricating, and intensity is good, can not deform; Installed part and lifting support contact areaGreatly, the fastness that both connect is good, can guarantee that installed part supports the stability of flute profile optoelectronic switch.
Further, described lifting arm is made up of pallet and connecting plate, and described sampling needle is fixedly installed on palletBottom, the outer end of pallet and connecting plate is fixedly linked, and the inner of connecting plate is stretched in lifting support, and and skinBand laminating is fixing. This improvement is simple in structure, is conveniently connected with belt, and is conducive to sampling needle installation.
Further, described index dial is annular. The index dial of annular is conveniently installed and is made test tube rotating disk from belowThe motor of rotation.
Further, the inside edge of described index dial is solid by the lower wall of alignment pin and screw and described test tube rotating diskFixed connection. Use optoelectronic switch to need index dial and test tube rotating disk to keep certain distance, simultaneously test tube rotating disk andIndex dial should connect to realize stably synchronously rotation securely.
Further, described meter position through hole is waist-shaped hole. The hole of waist type can ensure that the slotted eye on test tube rotating disk turnsThe stable effect that effectively triggers while moving optoelectronic switch.
Further, described slotted eye is U-shaped. U-shaped slotted eye is beneficial to processing, and imitates for the triggering of optoelectronic switchFruit is good.
Beneficial effect: the pattern that the present invention has adopted multiple sampling needles to work simultaneously, has improved single blood greatlyThe operating efficiency of flow graph, has saved cost on the whole, in addition by adopting optoelectronic switch to coordinate liftingThe use of arm and test tube rotating disk, has improved blood rheological instrument precision and stability in the course of the work greatly.
Brief description of the drawings
Fig. 1 is the general construction schematic diagram of the specific embodiment of the invention.
Fig. 2 is the structural representation of lifting operation part in Fig. 1.
Fig. 3 is the structural representation of test tube rotating disk part in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2, blood rheological instrument sampling apparatus, mainly comprises casing (not shown in FIG.), adoptsSample pin 2, wash pin device 3, lifting support 1a, lifting arm 1f and test tube rotating disk 4. Lifting support 1a is rectanglePipe, its lower end fixed in position is upper in casing (not shown in FIG.), and four sides of this rectangular tube are along perpendicularTo the gathering sill that is provided with bar shaped. Motor 1c is arranged on the side of lifting support 1a upper end, this motor 1cOutput shaft stretch in lifting support 1a, and be connected with driving wheel, described driving wheel is by belt 1d and biographyDriving wheel 1e connects. Lifting arm 1f is made up of pallet 1h and connecting plate, and the outer end of pallet 1h and connecting plate is solidPhasing connects, and the inner of connecting plate is stretched in lifting support 1a, and fixing with belt 1d laminating. Drive 1eBe positioned at the pipe of lifting support 1a lower end, the wheel shaft of drive 1e is solid mutually with lifting support 1a.
Lifting arm 1f can move up and down along lifting support 1a under the drive of driving mechanism. At lifting arm 1fOn be provided with light barrier 1g, this light barrier 1g stretches in another gathering sill on lifting support 1a, with gearThe flute profile optoelectronic switch 1c that tabula rasa 1g matches is arranged at the upper of described lifting support 1a by installed part 1bPortion. Installed part 1b is L-type, is made up of the riser of installed part 1b and described lifting support riser and transverse slat1a fits fixing, and described flute profile optoelectronic switch 1c is arranged on the transverse slat of installed part 1b.
As shown in Figure 1, sampling needle 2 is fixedly installed on the below of pallet 1h, and sampling needle 2 is through being positioned under itDescribed in side, wash pin device 3, wash pin device 3 and be fixedly connected on described lifting support 1a bottom. Wash pin device 3 preferredBe used on November 18th, 2015 open, the sampling needle washer that notification number is CN105057297A.
As shown in figures 1 and 3, test tube rotating disk 4 is positioned at the below of washing pin device 3, and test tube rotating disk 4 is by upper dish4a, lower wall 4b and open tubular column 4d form, and are provided with many group through hole 4c along the rim of upper dish 4a. Test tube turnsUnder dish 4, be provided with index dial 5, by bolt and alignment pin, index dial 5 is fixed on its machine of transferringOn shell (not shown in FIG.). Index dial 5 is preferably annular in the present embodiment, so that from index dialPlace in order to drive the motor of test tube rotating disk 4 below. Index dial 5 is coaxial with described test tube rotating disk 4, and pointThe inside edge of scale 5 is fixedly connected with the lower wall 4b of described test tube rotating disk 4 with screw by alignment pin. AlongThe rim of index dial 5 is provided with multiple U-lags hole 5a, on the corresponding test tube rotating disk 4 of each slotted eye 5a, coils 4aOne group of through hole 4c, the side of a slotted eye 5a is provided with the meter position through hole 5b of kidney-shaped therein. This slotted eye5a is as the initial position of counting, and the key light electric switch 6a coordinating with slotted eye 5a is arranged at the side of index dial 5Limit, is provided with the auxiliary optoelectronic switch 6b coordinating with described meter position through hole 5b on the side of key light electric switch 6a,Described auxiliary optoelectronic switch 6b and key light electric switch 6a are all fixed in casing.
In concrete operation process, motor 1c is driven on lifting arm 1f and pallet 1h and is moved down by belt 1dMoving. Light barrier 1g on lifting arm 1f and flute profile optoelectronic switch coordinate, and flute profile optoelectronic switch is by signal transmissionGive control module, the rotation of control module control motor 1c, and then controlled the ascending motion of lifting arm 1f.Sampling needle 2 is along with pallet 1h's moves up and down, and extend in vitro to carry out adopting of blood on test tube rotating disk 4Sample. Sampling needle 2, through washing pin device 3, when sampling needle 2 moves up and down, has just completed sampling needle 2Cleaning.
The rotation of test tube rotating disk 2 realizes by the motor that is positioned at its below, key light electric switch 6a and auxiliary photoelectricityThe photosignal sensing is passed to control module by switch 6b, and control module is controlled turning of test tube rotating disk 2 againMoving.
More than describe preferred embodiment of the present invention in detail. Should be appreciated that the ordinary skill of this areaPersonnel just can design according to the present invention make many modifications and variations without creative work. Therefore, allIn the art technical staff under this invention's idea on the basis of existing technology by logic analysis, push awayReason or the limited available technical scheme of experiment, all should be by the determined protection model of claimsIn enclosing.
Claims (6)
1. a blood rheological instrument sampling apparatus, comprises casing, sampling needle (2), washes pin device (3), lifting is propped upFrame (1a), lifting arm (1f) and test tube rotating disk (4), test tube rotating disk (4) is by upper dish (4a), lower wall (4b)And open tubular column (4d) formation, be provided with many group through holes (4c) along the rim of upper dish (4a), it is characterized in that:Described lifting support (1a) is rectangular tube, and four sides of this rectangular tube are along being vertically provided with bar shapedGathering sill, the inner of described lifting arm (1f) is stretched in lifting support (1a) through one of them gathering sill,And be connected with driving mechanism, lifting arm (1f) can be along lifting support (1a) under the drive of driving mechanismMove up and down, be provided with light barrier (1g) on described lifting arm (1f), this light barrier (1g) stretches into literIn another gathering sill on descending branch frame (1a), the flute profile optoelectronic switch (1c) matching with light barrier (1g)Be arranged at the top of described lifting support (1a) by installed part (1b);
The below of described lifting arm (1f) outer end is provided with multiple sampling needles (2), and sampling needle (2) is through positionDescribed in its below, wash pin device (3), wash pin device (3) and be fixedly connected on described lifting support (1a) bottom;
Described test tube rotating disk (4) is positioned at the below of washing pin device (3), under test tube rotating disk (4), establishesBe equipped with index dial (5), index dial (5) is coaxial with described test tube rotating disk (4), along index dial (5)Rim is provided with multiple slotted eyes (5a), the upper dish of the corresponding test tube rotating disk of each slotted eye (5a) (4) (4a)One group of through hole (4c), the side of a slotted eye (5a) is provided with meter position through hole (5b), this slotted eye therein(5a) as the initial position of counting, the key light electric switch (6a) coordinating with slotted eye (5a) is arranged at pointThe side of scale (5), is provided with on the side of key light electric switch (6a) with described meter position through hole (5b) and joinsThe auxiliary optoelectronic switch (6b) closing, described auxiliary optoelectronic switch (6b) and key light electric switch (6a) are all fixed on machineIn shell;
Described driving mechanism comprises drive (1e), belt (1d) and motor (1c), motor (1c) peaceBe contained in the side of lifting support (1a) upper end, the output shaft of this motor (1c) stretches into lifting support (1a)In, and be connected with driving wheel, described driving wheel is connected with drive (1e) by belt (1d), described inThe inner of lifting arm (1f) and belt (1d) fix, and described drive (1e) is positioned at lifting support (1a)In the pipe of lower end, the wheel shaft of drive (1e) and lifting support (1a) fix;
Described installed part (1b) is L-type, is made up of the riser of installed part (1b) and institute riser and transverse slatState lifting support (1a) and fit fixingly, described flute profile optoelectronic switch (1c) is arranged at installed part (1b)Transverse slat on.
2. blood rheological instrument sampling apparatus as claimed in claim 1, is characterized in that: described lifting arm (1f)Be made up of pallet (1h) and connecting plate, described sampling needle (2) is fixedly installed on the bottom of pallet (1h),Pallet (1h) is fixedly linked with the outer end of connecting plate, and the inner of connecting plate is stretched in lifting support (1a),And fixing with belt (1d) laminating.
3. blood rheological instrument sampling apparatus as claimed in claim 1, is characterized in that: described index dial (5) isAnnular.
4. blood rheological instrument sampling apparatus as claimed in claim 1, is characterized in that: described index dial (5)Inside edge is fixedly connected with the lower wall (4b) of described test tube rotating disk (4) with screw by alignment pin.
5. blood rheological instrument sampling apparatus as claimed in claim 1, is characterized in that: described meter position through hole (5b)For waist-shaped hole.
6. blood rheological instrument sampling apparatus as claimed in claim 1, is characterized in that: described slotted eye (5a) isU-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940191.4A CN105588785B (en) | 2015-12-14 | 2015-12-14 | Blood rheological instrument sampling apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940191.4A CN105588785B (en) | 2015-12-14 | 2015-12-14 | Blood rheological instrument sampling apparatus |
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| CN105588785A true CN105588785A (en) | 2016-05-18 |
| CN105588785B CN105588785B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510940191.4A Expired - Fee Related CN105588785B (en) | 2015-12-14 | 2015-12-14 | Blood rheological instrument sampling apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353227A (en) * | 2016-08-24 | 2017-01-25 | 重庆南方数控设备有限责任公司 | Blood sample feeding device for precise Westergren method erythrocyte sedimentation rate detector |
| CN106771306A (en) * | 2017-02-22 | 2017-05-31 | 长沙开元仪器股份有限公司 | A kind of hollow turn-plate type sample-sending |
| CN107436253A (en) * | 2017-09-14 | 2017-12-05 | 河南工程学院 | Multi-channel gas device for quick collecting |
| CN109936260A (en) * | 2017-12-15 | 2019-06-25 | 深圳市三诺数字科技有限公司 | A kind of rotary positioning apparatus and method |
| CN110243750A (en) * | 2019-06-28 | 2019-09-17 | 佛山科学技术学院 | A kind of sampler and the flow cytometer using the sampler |
| CN113504080A (en) * | 2021-07-09 | 2021-10-15 | 玉溪沃森生物技术有限公司 | Bacterin reagent sample partial shipment device |
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| CN204346463U (en) * | 2014-12-03 | 2015-05-20 | 深圳市好克光电仪器有限公司 | Syringe clamping is to level detecting apparatus |
| CN205317615U (en) * | 2015-12-14 | 2016-06-15 | 重庆南方数控设备有限责任公司 | A blood sampling device for blood flow graph |
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| JPS6441861A (en) * | 1987-08-07 | 1989-02-14 | Shimadzu Corp | Sample distribution |
| JPH07270429A (en) * | 1994-03-29 | 1995-10-20 | New Oji Paper Co Ltd | Auto-sampler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353227A (en) * | 2016-08-24 | 2017-01-25 | 重庆南方数控设备有限责任公司 | Blood sample feeding device for precise Westergren method erythrocyte sedimentation rate detector |
| CN106771306A (en) * | 2017-02-22 | 2017-05-31 | 长沙开元仪器股份有限公司 | A kind of hollow turn-plate type sample-sending |
| CN107436253A (en) * | 2017-09-14 | 2017-12-05 | 河南工程学院 | Multi-channel gas device for quick collecting |
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| CN109936260B (en) * | 2017-12-15 | 2024-02-06 | 深圳市三诺数字科技有限公司 | Rotary positioning method applied to rotary positioning device |
| CN110243750A (en) * | 2019-06-28 | 2019-09-17 | 佛山科学技术学院 | A kind of sampler and the flow cytometer using the sampler |
| CN110243750B (en) * | 2019-06-28 | 2024-05-03 | 佛山科学技术学院 | Sampler and flow cytometer using same |
| CN113504080A (en) * | 2021-07-09 | 2021-10-15 | 玉溪沃森生物技术有限公司 | Bacterin reagent sample partial shipment device |
| CN113504080B (en) * | 2021-07-09 | 2022-12-06 | 玉溪沃森生物技术有限公司 | Bacterin reagent sample partial shipment device |
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|---|---|
| CN105588785B (en) | 2019-01-04 |
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