CN108443318B - Sampling mechanism of blood detecting instrument - Google Patents
Sampling mechanism of blood detecting instrument Download PDFInfo
- Publication number
- CN108443318B CN108443318B CN201810205140.0A CN201810205140A CN108443318B CN 108443318 B CN108443318 B CN 108443318B CN 201810205140 A CN201810205140 A CN 201810205140A CN 108443318 B CN108443318 B CN 108443318B
- Authority
- CN
- China
- Prior art keywords
- sliding
- base
- sliding seat
- optical axis
- sampling unit
- 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
- 238000005070 sampling Methods 0.000 title claims abstract description 39
- 239000008280 blood Substances 0.000 title claims abstract description 9
- 210000004369 blood Anatomy 0.000 title claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009534 blood test Methods 0.000 claims 2
- 239000003921 oil Substances 0.000 abstract description 11
- 239000010687 lubricating oil Substances 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 239000004519 grease Substances 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
-
- 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
Abstract
The invention discloses a blood detection instrument sampling mechanism, which comprises a longitudinal sampling unit, wherein the longitudinal sampling unit is arranged on a base through a transverse sampling unit, the transverse sampling unit comprises a linear sliding pair and a linear guiding pair at upper and lower positions, the linear sliding pair comprises a transverse optical axis and a sliding seat, the sliding seat is in sliding sleeve with the transverse optical axis through a plastic shaft sleeve in the sliding seat, and two ends of the transverse optical axis are arranged on the front end surface of the base through optical axis fixing seats; the longitudinal sampling unit is arranged in front of the base and is connected with the sliding seat through the sliding seat mounting plate and is connected with the sliding block of the linear guide pair through the sliding block mounting plate; the driving of the sliding seat is a synchronous belt driving pair arranged on the front end surface of the base. The invention solves the problem of oil leakage caused by using the ball linear guide rail with the oil tank as a lubrication source and the problem of requiring technical personnel to add lubricating oil to the site by taking the optical axis and the self-lubricating plastic shaft sleeve without the lubricating grease as a sliding structure.
Description
Technical Field
The invention relates to a medical instrument, in particular to a sampling mechanism of a blood detection instrument.
Background
The existing sampling device comprises a transverse sampling mechanism and a longitudinal sampling mechanism, wherein the longitudinal sampling mechanism is arranged on a ball linear guide rail of the transverse sampling mechanism, a lubricating oil tank accessory is arranged on a sliding block of the ball linear guide rail, and lubricating oil is provided for sliding of the guide rail.
In the use, the oil tank is required to continuously provide lubricating oil to the balls so as to ensure that the balls keep small sliding friction force, and the whole longitudinal sampling mechanism is convenient to drive to move, and the structure has the defects that:
the lubricating oil added to the ball is difficult to control, and when the viscosity of the lubricating oil is too thick, the lubricating oil added to the guide rail slide block from the oil tank is too little, so that the lubricating effect is affected; when the viscosity of the lubricating oil is too thin and the environmental temperature is high, the oil output of the oil tank is too large, so that an oil leakage phenomenon is generated, and the risk of sample pollution exists; and after the terminal medical treatment is used for a period of time, technicians are required to maintain and add lubricating oil on site, so that the trouble is brought to the use.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to solve the technical problem of providing a blood detection instrument sampling mechanism without oil supply of an oil tank.
The technical scheme of the blood detection instrument sampling mechanism capable of solving the problems comprises a longitudinal sampling unit, wherein the longitudinal sampling unit is arranged on a base through a transverse sampling unit, the difference is that the transverse sampling unit comprises a linear sliding pair and a linear guiding pair at upper and lower positions, the linear sliding pair comprises a transverse optical axis and a sliding seat, the sliding seat is in sliding sleeve with the transverse optical axis through a plastic shaft sleeve in the sliding seat, and two ends of the transverse optical axis are arranged on the front end face of the base through optical axis fixing seats; the longitudinal sampling unit is arranged in front of the base, is connected with the sliding seat through a sliding seat mounting plate and is connected with the sliding block of the linear guide pair through a sliding block mounting plate; the driving of the sliding seat is a synchronous belt transmission pair arranged on the front end surface of the base.
The structure of the synchronous belt transmission pair comprises a transverse annular synchronous belt, two ends of the annular synchronous belt are respectively wrapped on a driving belt pulley and a driven belt pulley, and the bottom of the sliding seat is connected to an upper layer belt body of the annular synchronous belt.
Further, the driving belt wheel is arranged on an output shaft of the stepping motor, which extends out of the front end face of the base, and the stepping motor is arranged on the rear end face of the base; the driven belt wheel is arranged on the front end face of the base.
The linear guide pair further comprises a sliding block limiting plate, the sliding block limiting plate is transversely mounted on the front end face of the base, and a sliding groove at the bottom of the sliding block is slidably clamped on a vertical hook strip of the sliding block limiting plate.
The invention has the beneficial effects that:
1. the sampling mechanism of the blood detection instrument solves the problem of oil leakage caused by using the ball linear guide rail with the oil tank as a lubrication source and the problem of requiring technical personnel to add lubricating oil to the site by taking the optical axis and the self-lubricating plastic shaft sleeve without the lubricating grease as a sliding structure.
2. The invention has smooth sliding, improved efficiency and clean and tidy working table surface.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a view in the direction a in fig. 1.
Drawing number identification: 1. a longitudinal sampling unit; 2. a base; 3. a transverse optical axis; 4. a sliding seat; 5. a plastic shaft sleeve; 6. a slide block limiting plate; 7. a slide block; 8. a sliding seat mounting plate; 9. a slider mounting plate; 10. an optical axis fixing seat; 11. an annular synchronous belt; 12. a driving pulley; 13. a driven pulley; 14. a stepper motor.
Detailed Description
The technical scheme of the invention is further described below with reference to the embodiment shown in the drawings.
The sampling mechanism of the blood detection instrument comprises a longitudinal sampling unit 1 which is arranged on the front side surface of a base 2 through a transverse sampling unit, as shown in fig. 1 and 2.
The transverse sampling unit comprises a transverse optical axis 3 and a sliding block limiting plate 6 at upper and lower positions, the transverse optical axis 3 is horizontally arranged on the front side surface of the base 2 through a left optical axis fixing seat 10 and a right optical axis fixing seat 10, a sliding seat 4 is arranged on the transverse optical axis 3, the sliding seat 4 is in sliding sleeve connection with the transverse optical axis 3 through an internal plastic shaft sleeve 5, and a rear vertical plate body of the horizontal sliding block limiting plate 6 with a U-shaped cross section is arranged on the front side surface of the base 2 through a screw; an annular synchronous belt 11 is arranged on the front side surface of the base 2 between the transverse optical axis 3 and the sliding block limiting plate 6, the annular synchronous belt 11 is connected with a driven pulley 13 through a driving pulley 12 at the left end and a driven pulley 12 at the right end, and an upper layer belt body of the annular synchronous belt 11 is positioned on the bottom of the sliding seat 4 and is fixedly connected with the sliding seat 4 through screws, as shown in fig. 1 and 2.
A stepping motor 14 is mounted on the rear side of the base 2 corresponding to the position of the driving pulley 12, an output shaft of the stepping motor 14 extends forward on the front side of the base 2 and is coaxially mounted with the driving pulley 12, and the driven pulley 13 is mounted on the front side of the base 2 through a wheel frame, as shown in fig. 1 and 2.
The vertical sampling unit 1 is arranged in front of the front side surface of the base 2, the upper part of the vertical sampling unit 1 is arranged on the sliding seat 4 through a folded sliding seat mounting plate 8, a sliding block 7 is arranged on a folded sliding block mounting plate 9 at the lower part of the vertical sampling unit 1, and a vertical horizontal sliding groove at the bottom of the sliding block 7 is in sliding clamping fit with a front vertical plate body of the sliding block limiting plate 6, as shown in fig. 1 and 2.
Claims (3)
1. Blood detecting instrument sampling mechanism, including vertical sampling unit (1), vertical sampling unit (1) are installed on base (2) through horizontal sampling unit, its characterized in that:
the transverse sampling unit comprises a linear sliding pair and a linear guiding pair at upper and lower positions, the linear sliding pair comprises a transverse optical axis (3) and a sliding seat (4), the sliding seat (4) is in sliding sleeve connection with the transverse optical axis (3) through a plastic shaft sleeve (5) in the sliding seat, and two ends of the transverse optical axis (3) are arranged on the front end face of the base (2) through optical axis fixing seats (10);
the longitudinal sampling unit (1) is arranged in front of the base (2), is connected with the sliding seat (4) through the sliding seat mounting plate (8) and is connected with the sliding block (7) of the linear guide pair through the sliding seat mounting plate (9), the linear guide pair further comprises a sliding block limiting plate (6), the sliding block limiting plate (6) is transversely arranged on the front end face of the base (2), and a sliding groove at the bottom of the sliding block (7) is in sliding clamping fit on a vertical hook strip of the sliding block limiting plate (6);
the driving of the sliding seat (4) is a synchronous belt transmission pair arranged on the front end surface of the base (2).
2. The blood test apparatus sampling mechanism of claim 1, wherein: the synchronous belt transmission pair comprises a transverse annular synchronous belt (11), two ends of the annular synchronous belt (11) are respectively wrapped on a driving belt pulley (12) and a driven belt pulley (13), and the bottom of the sliding seat (4) is connected to an upper layer belt body of the annular synchronous belt (11).
3. The blood test apparatus sampling mechanism of claim 2, wherein: the driving belt wheel (12) is arranged on an output shaft of the stepping motor (14) extending out of the front end face of the base (2), and the stepping motor (14) is arranged on the rear end face of the base (2); the driven belt wheel (13) is arranged on the front end face of the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205140.0A CN108443318B (en) | 2018-03-13 | 2018-03-13 | Sampling mechanism of blood detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205140.0A CN108443318B (en) | 2018-03-13 | 2018-03-13 | Sampling mechanism of blood detecting instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443318A CN108443318A (en) | 2018-08-24 |
| CN108443318B true CN108443318B (en) | 2023-10-31 |
Family
ID=63195007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810205140.0A Active CN108443318B (en) | 2018-03-13 | 2018-03-13 | Sampling mechanism of blood detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443318B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075007B (en) * | 2021-06-04 | 2021-11-16 | 江西有为生物技术有限公司 | Single-shaft moving mechanism and full-automatic immunohistochemical dyeing machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261249Y (en) * | 2008-09-17 | 2009-06-24 | 广州一道注塑机械有限公司 | Double-drive double-track balance moving manipulator |
| CN102095841A (en) * | 2011-01-27 | 2011-06-15 | 桂林优利特医疗电子有限公司 | Automatic single sample introduction device of blood cell analyzer |
| CN105334332A (en) * | 2014-07-01 | 2016-02-17 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and sample collection and distribution method thereof |
| CN105334333A (en) * | 2014-07-01 | 2016-02-17 | 深圳迈瑞生物医疗电子股份有限公司 | Whole blood measuring instrument easy to replace latex reagent and autoinjection apparatus |
| CN105378478A (en) * | 2014-07-01 | 2016-03-02 | 深圳迈瑞生物医疗电子股份有限公司 | Whole blood sample testing method and blood tester |
| CN107247150A (en) * | 2017-08-14 | 2017-10-13 | 河北工业大学 | Blood group detection device based on micro-fluidic chip and STM32 |
| CN208089759U (en) * | 2018-03-13 | 2018-11-13 | 桂林优利特医疗电子有限公司 | Blood testing instrument sampling mechanism |
-
2018
- 2018-03-13 CN CN201810205140.0A patent/CN108443318B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261249Y (en) * | 2008-09-17 | 2009-06-24 | 广州一道注塑机械有限公司 | Double-drive double-track balance moving manipulator |
| CN102095841A (en) * | 2011-01-27 | 2011-06-15 | 桂林优利特医疗电子有限公司 | Automatic single sample introduction device of blood cell analyzer |
| CN105334332A (en) * | 2014-07-01 | 2016-02-17 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and sample collection and distribution method thereof |
| CN105334333A (en) * | 2014-07-01 | 2016-02-17 | 深圳迈瑞生物医疗电子股份有限公司 | Whole blood measuring instrument easy to replace latex reagent and autoinjection apparatus |
| CN105378478A (en) * | 2014-07-01 | 2016-03-02 | 深圳迈瑞生物医疗电子股份有限公司 | Whole blood sample testing method and blood tester |
| CN107247150A (en) * | 2017-08-14 | 2017-10-13 | 河北工业大学 | Blood group detection device based on micro-fluidic chip and STM32 |
| CN208089759U (en) * | 2018-03-13 | 2018-11-13 | 桂林优利特医疗电子有限公司 | Blood testing instrument sampling mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443318A (en) | 2018-08-24 |
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