CN105004875A - Guide sleeve and sample adding arm and analyzer with same - Google Patents
Guide sleeve and sample adding arm and analyzer with same Download PDFInfo
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- CN105004875A CN105004875A CN201510479725.8A CN201510479725A CN105004875A CN 105004875 A CN105004875 A CN 105004875A CN 201510479725 A CN201510479725 A CN 201510479725A CN 105004875 A CN105004875 A CN 105004875A
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- sleeve
- splined shaft
- lock sleeve
- briquetting
- sample arm
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- Sampling And Sample Adjustment (AREA)
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Abstract
The invention relates to the technical field of medical apparatuses and instruments, in particular to a guide sleeve and a sampling arm and analyzer with the same. The guide sleeve comprises a shaft sleeve, a locking sleeve and a transmission part, wherein a spline shaft of the sample adding arm is sleeved with the shaft sleeve, protrusions matched with key grooves of the spline shaft are arranged on the inner wall of the shaft sleeve, the spline shaft can slide along the inner wall of the shaft sleeve, the shaft sleeve is sleeved with the locking sleeve, the locking sleeve is arranged on a machine frame of the sample adding arm through a first rotating part so that the locking sleeve can axially rotate around the sample adding arm, and the transmission part is connected between the locking sleeve and a rotary drive device of the sample adding arm so that the rotary drive device can drive the locking sleeve to rotate. In the scheme, the smoothness and accuracy of rising and falling of the spline shaft are ensured, and the service life of the guide sleeve is prolonged.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of orienting sleeve and adopt sample arm, the analyser of this orienting sleeve.
Background technology
Along with the development of society, the problem of people to healthy aspect and disease treatment aspect is more and more paid attention to, and how to carry out diagnostic evaluation accurately to health and becomes the decisive foundation weighing health status and diagnoses and treatment.
In diagnostic mode, in-vitro diagnosis is diagnostic means important at present, and be the quantitative detection for disease association trace materials in human body, the diagnosis and treatment especially for diseases such as serious infectious diseases, cancer, diabetes are extremely important.
For sample analyser, it is the processes such as the application of sample realized by the space displacement of reaction tube in detection, reagent adding, mixing, cleaning and detection, be one of effective way realizing efficient detection, and sample arm realizes the critical component to reaction tube pressurization.
In current sample analyser, sample arm mainly contains two kinds of forms: 1) adopt line slideway to carry out vertically-guided, this structure vertical direction, except optical axis or ball spline pair, also comprises the line slideway of a vertically-guided; 2) adopt smart axle to carry out vertically-guided, this structure, except optical axis or ball spline pair, also comprises a smart axle and carries out vertical direction guiding.
These two kinds of designs above-mentioned all need to ensure VTOL (vertical take off and landing) axle and line slideway or the smart axle depth of parallelism, otherwise can due to not parallel and occur that somewhere friction is rapid and increase, thus affect structure lifting or rotate fluency, reduce precision and reliability, reduction of service life, time serious, even there is stuck and situation that is that cannot normally work; And this two schemes above-mentioned, owing to being provided with two axles simultaneously, so it can not select in whole circumference range, that is, its anglec of rotation is less than 360 degree, so also makes the application of sample scope of analyser be restricted.
So, in sum, need one at present badly and can ensure to avoid occurring jam phenomenon in the course of the work, ensure the smooth and easy and precision of lifting, and the sample adding device that the anglec of rotation is not limited.
Summary of the invention
The object of the invention is to, for in present analysis instrument, easily there is jam and cause lifting precision to reduce in sample arm existence, serviceable life shortens, and the deficiency that the anglec of rotation is limited, there is provided one can ensure to avoid occurring jam phenomenon in the course of the work, ensure the smoothness of lifting precision and lifting, and the sample adding device that the anglec of rotation is not limited.
To achieve these goals, the technical solution used in the present invention is:
A kind of orienting sleeve, comprising:
-axle sleeve: described axle sleeve is set on the splined shaft of sample arm, described sleeve lining is provided with the projection matched with the keyway of described splined shaft, and described splined shaft can slide along described sleeve lining;
-lock sleeve: described lock sleeve is sheathed on outside described axle sleeve, and described lock sleeve is arranged in the frame of sample arm by the first rotatable parts, enables described lock sleeve around its axial rotation;
-drive disk assembly: described drive disk assembly is connected between described lock sleeve and the device for revolving and driving of sample arm, makes described device for revolving and driving that lock sleeve can be driven to rotate.
In the such scheme of the application, axle sleeve, lock sleeve, cooperation between splined shaft and drive disk assembly, achieve splined shaft to move along self axial direction, and when drive disk assembly drives lock sleeve to rotate, when lock sleeve drives axle sleeve to rotate again, due to protruding coordinating with keyway, splined shaft also rotates thereupon, and then achieve the rotation of splined shaft and move axially, owing to not being the two parallel shafts design of employing, make the anglec of rotation of splined shaft not limited, and, when splined shaft moves axially, also jam phenomenon as stated in the Background Art can not be there is, and then ensure that the smoothness that splined shaft is elevated, and the precision of lifting, improve its serviceable life.
As the preferred version of the application, described lock sleeve is also provided with the first locking member, described first locking member and described lock sleeve relative position are fixed, and described lock sleeve constrains in described frame by described first locking member, and limit described lock sleeve along the movement axially of described splined shaft.
In the such scheme of the application, by arranging the first locking member, the orienting sleeve of the application is arranged on pedestal, but has the rotation of not restricted guidance cover, and then ensure that the revolution action of splined shaft.
As the preferred version of the application, described first rotatable parts are bearing, and the inner ring of described bearing coordinates with described lock sleeve, and the outer ring of described bearing coordinates with described frame.
As the preferred version of the application, described first rotatable parts comprise two bearings, and two described bearings are spaced apart.
In the such scheme of the application, by arranging two bearings as the first rotatable parts, while guarantee lock sleeve realizes rotating, also assures that the coaxial stabilization that lock sleeve rotates, avoid the skew that lock sleeve occurs axially in rotation process, and affect the rotation precision of splined shaft.
As the preferred version of the application, the Timing Belt that described drive disk assembly comprises synchronous pulley and matches with described synchronous pulley, described synchronous pulley is coaxially fixedly connected with described lock sleeve, described device for revolving and driving is turning motor, is connected between described synchronous pulley with described turning motor by described toothed belt transmission.
As the preferred version of the application, described frame is provided with the first optoelectronic switch, described first locking member is provided with the horizontal reset photoelectricity catch matched with described first optoelectronic switch, when described device for revolving and driving drives described lock sleeve to turn to restriction position, horizontal reset photoelectricity catch is corresponding with the first optoelectronic switch, and the first optoelectronic switch controls described device for revolving and driving to be stopped or reversion.
Disclosed herein as well is a kind of sample arm adopting above-mentioned orienting sleeve,
A kind of sample arm, comprising:
-above-mentioned orienting sleeve;
-splined shaft, described splined shaft matches with described orienting sleeve, and described splined shaft one end is along its length the working end connecting loading device, and the other end is drive end;
-briquetting, described briquetting is arranged on the drive end of described splined shaft, is provided with the second rotatable parts between described briquetting and described splined shaft;
-the second locking member, described second locking member is arranged on described splined shaft, limits described briquetting and splined shaft along splined shaft relative movement axially;
-jacking gear, described jacking gear drives described briquetting moving axially along described splined shaft.
The sample arm of the application, briquetting is driven by jacking gear, briquetting drives splined shaft lifting, owing to have employed above-mentioned orienting sleeve, makes the anglec of rotation of splined shaft not limited, and, when briquetting drives splined shaft lifting, also can not there is jam phenomenon as stated in the Background Art, and then ensure that the smoothness that splined shaft is elevated, and the precision of lifting, improve the serviceable life of sample arm.
As the preferred version of the application, described briquetting is provided with vertical reset photoelectricity catch, described frame is provided with the second optoelectronic switch matched with described vertical reset photoelectricity catch, when described briquetting moves to restriction position, vertical reset photoelectricity catch is corresponding with the second optoelectronic switch, and the second optoelectronic switch controls described jacking gear to be stopped or reversion.
As the preferred version of the application, described second rotatable parts are bearing.
Disclosed herein as well is a kind of analyser adopting above-mentioned orienting sleeve and/or sample arm,
A kind of analyser, comprises above-mentioned orienting sleeve and/or sample arm.
The analyser of the application, owing to have employed above-mentioned orienting sleeve and/or sample arm, when carrying out the operation of reaction tube application of sample, not by the restriction of the anglec of rotation, but also ensure that the precision in application of sample operation, improve its serviceable life.
compared with prior art, the beneficial effect of the application is:
1, there is higher lifting precision, and be elevated smoothness preferably;
2, carrying out in the operation of reaction tube application of sample, the anglec of rotation of sample arm is not limited.
Accompanying drawing explanation
Fig. 1 is the structural representation of sample arm of the present invention.
Fig. 2 is the structural representation that splined shaft coordinates with orienting sleeve;
Fig. 3 is Fig. 1 detonation configuration structural representation,
Mark in figure: 1-axle sleeve, 2-splined shaft, 3-is protruding, 4-lock sleeve, 5-first rotatable parts, 6-drive disk assembly, 7-device for revolving and driving, 8-keyway, 9-first locking member, 10-frame, 11-synchronous pulley, 12-Timing Belt, 13-first optoelectronic switch, 14-horizontal reset photoelectricity catch, 15-working end, 16-drive end, 17-briquetting, 18-second rotatable parts, 19-second locking member, 20-jacking gear, 21-vertical reset photoelectricity catch, 22-second optoelectronic switch.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1, as Fig. 1,2, shown in 3,
A kind of orienting sleeve, comprising:
-axle sleeve 1: described axle sleeve 1 is set on the splined shaft 2 of sample arm, described axle sleeve 1 inwall is provided with the projection 3 matched with the keyway 8 of described splined shaft 2, and described splined shaft 2 can slide along described axle sleeve 1 inwall;
-lock sleeve 4: described lock sleeve 4 is sheathed on outside described axle sleeve 1, and described lock sleeve 4 is arranged in the frame 10 of sample arm by the first rotatable parts 5, makes described lock sleeve 4 can around its axial rotation;
-drive disk assembly 6: described drive disk assembly 6 is connected between described lock sleeve 4 and the device for revolving and driving 7 of sample arm, makes described device for revolving and driving 7 that lock sleeve 4 can be driven to rotate.
In the such scheme of the present embodiment, axle sleeve 1, lock sleeve 4, cooperation between splined shaft 2 and drive disk assembly 6, achieve splined shaft 2 to move along self axial direction, and when drive disk assembly 6 drives lock sleeve 4 to rotate, when lock sleeve 4 drives axle sleeve 1 to rotate again, due to protruding 3 with the coordinating of keyway 8, splined shaft 2 also rotates thereupon, and then achieve the rotation of splined shaft 2 and move axially, owing to not being the two parallel shafts design of employing, make the anglec of rotation of splined shaft 2 not limited, and, when splined shaft 2 moves axially, also jam phenomenon as stated in the Background Art can not be there is, and then ensure that the smoothness that splined shaft 2 is elevated, and the precision of lifting, improve its serviceable life.
Embodiment 2, as Fig. 1,2, shown in 3, orienting sleeve as described in Example 1,
Described lock sleeve 4 is also provided with the first locking member 9, described first locking member 9 is fixed with described lock sleeve 4 relative position, described lock sleeve 4 constrains in described frame 10 by described first locking member 9, and limit described lock sleeve 4 along the movement axially of described splined shaft 2, described first rotatable parts 5 comprise two bearings, two described bearings are spaced apart, and the inner ring of described bearing coordinates with described lock sleeve 4, and the outer ring of described bearing coordinates with described frame 10.
In the such scheme of the present embodiment, by arranging the first locking member 9, the orienting sleeve of the present embodiment is arranged on pedestal, but has the rotation of not restricted guidance cover, and then ensure that the revolution action of splined shaft 2; By arranging two bearings as the first rotatable parts 5, while guarantee lock sleeve 4 realizes rotating, also assures that the coaxial stabilization that lock sleeve 4 rotates, avoiding the skew that lock sleeve 4 occurs axially in rotation process, and affect the rotation precision of splined shaft 2.
Embodiment 3, as Fig. 1,2, shown in 3, orienting sleeve as described in Example 2,
The Timing Belt 12 that described drive disk assembly 6 comprises synchronous pulley 11 and matches with described synchronous pulley 11, described synchronous pulley 11 is coaxially fixedly connected with described lock sleeve 4, described device for revolving and driving 7 is turning motor, be in transmission connection by described Timing Belt 12 between described synchronous pulley 11 and described turning motor, described frame 10 is provided with the first optoelectronic switch 13, described first locking member 9 is provided with the horizontal reset photoelectricity catch 14 matched with described first optoelectronic switch 13, when described device for revolving and driving 7 drives described lock sleeve 4 to turn to restriction position, horizontal reset photoelectricity catch 14 is corresponding with the first optoelectronic switch 13, first optoelectronic switch 13 controls described device for revolving and driving 7 to be stopped or reversing.
Embodiment 4, as Fig. 1,2, shown in 3,
A kind of sample arm, comprising:
Orienting sleeve shown in-embodiment 1-3 any one;
-splined shaft 2, described splined shaft 2 matches with described orienting sleeve, and described splined shaft 2 one end is along its length the working end 15 connecting loading device, and the other end is drive end 16;
-briquetting 17, described briquetting 17 is arranged on the drive end 16 of described splined shaft 2, is provided with the second rotatable parts 18 between described briquetting 17 and described splined shaft 2;
-the second locking member 19, described second locking member 19 is arranged on described splined shaft 2, limits described briquetting 17 and splined shaft 2 along splined shaft 2 relative movement axially;
-jacking gear 20, described jacking gear 20 drives described briquetting 17 moving axially along described splined shaft 2.
The sample arm of the present embodiment, briquetting 17 is driven by jacking gear 20, briquetting 17 drives splined shaft 2 to be elevated, and owing to have employed above-mentioned orienting sleeve, makes the anglec of rotation of splined shaft 2 not limited, and, when briquetting 17 drives splined shaft 2 to be elevated, also can not there is jam phenomenon as stated in the Background Art, and then ensure that the smoothness that splined shaft 2 is elevated, and the precision of lifting, improve the serviceable life of sample arm.
Embodiment 5, as Fig. 1,2, shown in 3, sample arm as described in Example 4,
As the preferred version of the present embodiment, described briquetting 17 is provided with vertical reset photoelectricity catch 21, described frame 10 is provided with the second optoelectronic switch 22 matched with described vertical reset photoelectricity catch 21, when described briquetting 17 moves to restriction position, vertical reset photoelectricity catch 21 is corresponding with the second optoelectronic switch 22, and the second optoelectronic switch 22 controls described jacking gear 20 to be stopped or reversing.
As the preferred version of the present embodiment, described second rotatable parts 18 are bearing.
Embodiment 6, as shown in the figure,
A kind of analyser, comprises the orienting sleeve shown in embodiment 1-3 any one and/or the sample arm shown in embodiment 4,5 any one.
The analyser of the present embodiment, owing to have employed above-mentioned orienting sleeve and/or sample arm, when carrying out the operation of reaction tube application of sample, not by the restriction of the anglec of rotation, but also ensure that the precision in application of sample operation, improve its serviceable life.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an orienting sleeve, is characterized in that, comprising:
-axle sleeve: described axle sleeve is set on the splined shaft of sample arm, described sleeve lining is provided with the projection matched with the keyway of described splined shaft, and described splined shaft can slide along described sleeve lining;
-lock sleeve: described lock sleeve is sheathed on outside described axle sleeve, and described lock sleeve is arranged in the frame of sample arm by the first rotatable parts, enables described lock sleeve around its axial rotation;
-drive disk assembly: described drive disk assembly is connected between described lock sleeve and the device for revolving and driving of sample arm, makes described device for revolving and driving that lock sleeve can be driven to rotate.
2. orienting sleeve according to claim 1, it is characterized in that, described lock sleeve is also provided with the first locking member, described first locking member and described lock sleeve relative position are fixed, described lock sleeve constrains in described frame by described first locking member, and limits described lock sleeve along the movement axially of described splined shaft.
3. orienting sleeve according to claim 1, is characterized in that, described first rotatable parts are bearing, and the inner ring of described bearing coordinates with described lock sleeve, and the outer ring of described bearing coordinates with described frame.
4. orienting sleeve according to claim 3, is characterized in that, described first rotatable parts comprise two bearings, and two described bearings are spaced apart.
5. the orienting sleeve according to claim 1-4 any one, it is characterized in that, the Timing Belt that described drive disk assembly comprises synchronous pulley and matches with described synchronous pulley, described synchronous pulley is coaxially fixedly connected with described lock sleeve, described device for revolving and driving is turning motor, is connected between described synchronous pulley with described turning motor by described toothed belt transmission.
6. orienting sleeve according to claim 2, it is characterized in that, described frame is provided with the first optoelectronic switch, described first locking member is provided with the horizontal reset photoelectricity catch matched with described first optoelectronic switch, when described device for revolving and driving drives described lock sleeve to turn to restriction position, horizontal reset photoelectricity catch is corresponding with the first optoelectronic switch, and the first optoelectronic switch controls described device for revolving and driving to be stopped or reversion.
7. a sample arm, is characterized in that, comprises orienting sleeve as above-mentioned in claim 1-6 any one.
8. sample arm according to claim 7, is characterized in that, also comprises:
-splined shaft, described splined shaft matches with described orienting sleeve, and described splined shaft one end is along its length the working end connecting loading device, and the other end is drive end;
-briquetting, described briquetting is arranged on the drive end of described splined shaft, is provided with the second rotatable parts between described briquetting and described splined shaft;
-the second locking member, described second locking member is arranged on described splined shaft, limits described briquetting and splined shaft along splined shaft relative movement axially;
-jacking gear, described jacking gear drives described briquetting moving axially along described splined shaft.
9. sample arm according to claim 8, it is characterized in that, described briquetting is provided with vertical reset photoelectricity catch, described frame is provided with the second optoelectronic switch matched with described vertical reset photoelectricity catch, when described briquetting moves to restriction position, vertical reset photoelectricity catch is corresponding with the second optoelectronic switch, and the second optoelectronic switch controls described jacking gear to be stopped or reversion.
10. an analyser, is characterized in that, comprises orienting sleeve as above-mentioned in claim 1-6 any one and/or the above-mentioned sample arm of claim 7-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479725.8A CN105004875B (en) | 2015-08-07 | 2015-08-07 | Guide sleeve and sample arm, the analyzer using the guide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479725.8A CN105004875B (en) | 2015-08-07 | 2015-08-07 | Guide sleeve and sample arm, the analyzer using the guide sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105004875A true CN105004875A (en) | 2015-10-28 |
| CN105004875B CN105004875B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510479725.8A Active CN105004875B (en) | 2015-08-07 | 2015-08-07 | Guide sleeve and sample arm, the analyzer using the guide sleeve |
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| Country | Link |
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| CN (1) | CN105004875B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982367A (en) * | 2018-09-28 | 2018-12-11 | 威海威高生物科技有限公司 | A kind of reagent arm for chemiluminescence instrument |
| CN110975714A (en) * | 2019-11-08 | 2020-04-10 | 深圳市万臣科技有限公司 | double-ZR module |
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| JPS58223759A (en) * | 1982-06-22 | 1983-12-26 | Union Giken:Kk | Moving method of bead |
| JP2010175300A (en) * | 2009-01-27 | 2010-08-12 | Beckman Coulter Inc | Dispensing device, automatic analyzer, and detection method of abrasion amount of sliding screw of dispensing device |
| CN201903549U (en) * | 2010-12-02 | 2011-07-20 | 桂林优利特医疗电子有限公司 | Improved sampling/agitation device |
| CN204925146U (en) * | 2015-08-07 | 2015-12-30 | 四川迈克生物医疗电子有限公司 | Uide bushing and adopt application of sample arm, analysis appearance of this uide bushing |
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2015
- 2015-08-07 CN CN201510479725.8A patent/CN105004875B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58223759A (en) * | 1982-06-22 | 1983-12-26 | Union Giken:Kk | Moving method of bead |
| JP2010175300A (en) * | 2009-01-27 | 2010-08-12 | Beckman Coulter Inc | Dispensing device, automatic analyzer, and detection method of abrasion amount of sliding screw of dispensing device |
| CN201903549U (en) * | 2010-12-02 | 2011-07-20 | 桂林优利特医疗电子有限公司 | Improved sampling/agitation device |
| CN204925146U (en) * | 2015-08-07 | 2015-12-30 | 四川迈克生物医疗电子有限公司 | Uide bushing and adopt application of sample arm, analysis appearance of this uide bushing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982367A (en) * | 2018-09-28 | 2018-12-11 | 威海威高生物科技有限公司 | A kind of reagent arm for chemiluminescence instrument |
| CN108982367B (en) * | 2018-09-28 | 2024-03-19 | 威海威高生物科技有限公司 | Reagent arm for chemiluminescent instrument |
| CN110975714A (en) * | 2019-11-08 | 2020-04-10 | 深圳市万臣科技有限公司 | double-ZR module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105004875B (en) | 2017-07-21 |
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Address after: 610000 4 Building 8, two road, Chengdu, Sichuan Patentee after: Mike Medical Electronics Ltd Address before: High tech Zone Chengdu city Sichuan province 611731 rivers Road No. 16 Building 1 layer 5 Patentee before: SICHUAN MAKER BIOMEDICAL ELECTRONIC CO., LTD. |
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