CN109406767A - A kind of reading hold-down devices for chemical illumination immunity analysis instrument - Google Patents
A kind of reading hold-down devices for chemical illumination immunity analysis instrument Download PDFInfo
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- CN109406767A CN109406767A CN201811577896.4A CN201811577896A CN109406767A CN 109406767 A CN109406767 A CN 109406767A CN 201811577896 A CN201811577896 A CN 201811577896A CN 109406767 A CN109406767 A CN 109406767A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 19
- 238000005286 illumination Methods 0.000 title claims abstract description 19
- 230000036039 immunity Effects 0.000 title claims abstract description 19
- 239000000126 substance Substances 0.000 title claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims abstract description 44
- 230000005693 optoelectronics Effects 0.000 claims abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 claims description 22
- 230000006698 induction Effects 0.000 claims description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000011521 glass Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000881 depressing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003018 immunoassay Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/5302—Apparatus specially adapted for immunological test procedures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/58—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving labelled substances
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a kind of reading hold-down devices for chemical illumination immunity analysis instrument, including stepper motor, camshaft bearing component, L-type support, guide post, spring, rubber squeeze head, linear guide component and optoelectronic switch composition.The present invention has the advantages that glass optical fiber is fixed on specific position in 1, detection process, the service life of the accuracy and optical fiber of surveying light is improved.2, the movement real-time contact of bearing and moving parts is guaranteed as power is resetted using reset spring.3, contact portion uses rolling bearing, avoids the direct friction of cam and vertical movement member, improves service life and reduce noise.4, it is driven, is acted more accurate using stepper motor.5, guiding mechanism is done using miniature line slideway, improves robust motion, save space.
Description
Technical field
The present invention relates to a kind of relevant device fields of chemical illumination immunity analysis instrument, more particularly, to one kind for chemistry
The reading hold-down devices of luminescence immunoassay instrument.
Background technique
In the detection system of chemical illumination immunity analysis instrument, it usually needs automatic hold-down devices guarantee tightly to cover when detection
Light, to exclude extraneous light disturbance.Up and down motion of the hold-down devices by guide post is read, realizes the opacus reading of reaction rim of a cup
And it automatically disengages.The Multi-shaft movement mechanism of complex reaction cup, hold-down devices can be passed in reaction rim of a cup overcentre using optical fiber
Conduct optical signals.
Summary of the invention
In view of this, the present invention is intended to provide a kind of reading hold-down devices for chemical illumination immunity analysis instrument, it can
It solves the above problems.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of reading hold-down devices for chemical illumination immunity analysis instrument, including stepper motor, frame, L-type plate, cam
The output end of bearing assembly, optical fiber and guide post, the stepper motor connects camshaft bearing component, and frame inner wall is fixed with vertical side
To guide rail, L-type plate includes integrally formed vertical plate and level board, vertical plate slidable connection guide rail, and level board is connected to
The lower end surface of camshaft bearing component, for guide post through level board and chassis base, level board, guide post lower end are fixed in guide post upper end
Stretch out frame hereinafter, guide post lower end is fixed with rubber squeeze head, be equipped with the through-hole communicated in guide post and rubber squeeze head, optical fiber from upper and
Under be tightly inserted into the through-hole of guide post and rubber squeeze head, spring is cased with outside guide post, spring is set between level board and chassis base,
Stepper motor drive cam shaft bearing assembly rotation, due to the vertical reciprocal shifting of the elastic force and then drive level board and guide post of spring
It is dynamic, and then the rubber squeeze head of optical fiber is driven to move back and forth vertically.
Further, the guide post includes the upper head plate and cylinder being fixed to each other, and upper head plate is fixed on the upper end of cylinder, is in
" T " font, upper head plate are fixed on the upper end of level board, and spring pocket is on cylinder.
It further, further include optical fiber fixed plate, the optical fiber fixed plate is fixed in frame, and optical fiber fixed plate is equipped with and leads
Hole, optical fiber insertion guide hole is interior and moves back and forth vertically along guide hole.
Further, the side of the separate stepper motor of the frame is fixed with pedestal, and one end of optical fiber fixed plate is fixed on
Pedestal upper end.
Further, it is equipped with clamping seam along guide hole in the optical fiber fixed plate, clamping seam extends to the remote of optical fiber fixed plate
One end from pedestal, the side of optical fiber fixed plate, which sets to run through there are two fastening bolt, clamps seam, and two fastening bolts are located at guide hole
Two sides.
Further, the vertical plate is equipped with the positional detecting device for detecting rubber squeeze head in-position.
Further, the positional detecting device includes optoelectronic induction piece, switch fixing casing and U-shaped optoelectronic switch, U-shaped photoelectricity
Switch is fixed on frame inner wall by switch fixing casing, and switch fixing casing is located at the side of guide rail, and one end of optoelectronic induction piece is logical
It crosses bolt to be fixed on vertical plate, the other end of optoelectronic induction piece forms bending part, with L-type towards the side bending of guide rail
The vertical shift of plate, causes bending part to extend into or out the check bit in the slot of U-shaped optoelectronic switch, and bending part is opened with U-shaped photoelectricity
Pass, which matches, carries out whether induction rubber squeeze head reaches commitment positions.
Further, the side of the vertical plate back to guide rail is fixed with mounting plate, and mounting plate is equipped with the item of vertical direction
Shape protrusion, strip projected parts are detachably fixed optoelectronic induction piece by bolt.
Further, the optoelectronic induction piece includes integrally formed vertical piece, horizontal plate and bending part, and horizontal plate is set to perpendicular
Between straight piece and bending part, vertical piece is bolted on strip projected parts, bending part along z-axis perpendicular to horizontal plate, vertically
Piece is along y-axis perpendicular to horizontal plate.
Further, the rubber squeeze head material is nitrile rubber.
Compared with the existing technology, a kind of reading hold-down devices for chemical illumination immunity analysis instrument of the present invention,
It has the advantages that in 1, detection process, glass optical fiber is fixed on specific position, improves the accuracy and optical fiber for surveying light
Service life；2, the movement real-time contact of bearing and moving parts is guaranteed as power is resetted using reset spring；3, contact portion
Divide and use rolling bearing, avoids the direct friction of cam and vertical movement member, improve service life and reduce noise；4, it uses
Stepper motor driving, acts more accurate；5, guiding mechanism is done using miniature line slideway, improves robust motion, saved empty
Between.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that the present invention is free of optical fiber and optical fiber fixed plate；
Fig. 3 is present invention looks up structural representation of the invention；
Fig. 4 is top view of the invention；
Fig. 5 is the face A-A cross-sectional view in Fig. 4；
Fig. 6 is the structural schematic diagram of optical fiber fixed plate；
Fig. 7 is the structural schematic diagram of optoelectronic induction piece；
Description of symbols:
1- pedestal；2- optical fiber fixed plate；201- guide hole；202- clamping seam；3- stepper motor；4- camshaft bearing component；5-
Level board；6- upper head plate；7- spring；8- rubber squeeze head；9- guide rail；10- switch fixing casing；11- optical fiber；12- frame；13- peace
Loading board；14- vertical plate；15-U shape optoelectronic switch；16- optoelectronic induction piece；161- bending part；162- horizontal plate；163- vertical piece；
17- cylinder.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in figs. 1-7, a kind of reading hold-down devices for chemical illumination immunity analysis instrument, including stepper motor 3, frame
The output end of frame 12, L-type plate, camshaft bearing component 4, optical fiber 11 and guide post, the stepper motor 3 connects camshaft bearing component 4,
12 inner wall of frame is fixed with the guide rail 9 of vertical direction, and L-type plate includes integrally formed vertical plate 14 and level board 5, vertical plate 14
Slidable connection guide rail 9, level board 5 are connected to the lower end surface of camshaft bearing component 4, and guide post is through level board 5 and frame 12
Level board 5 is fixed in bottom plate, guide post upper end, and guide post lower end stretches out frame 12 hereinafter, guide post lower end is fixed with rubber squeeze head 8, leads
The through-hole communicated is equipped in column and rubber squeeze head 8, optical fiber 11 is tightly inserted into from top to bottom in the through-hole of guide post and rubber squeeze head 8,
Spring 7 is cased with outside guide post, spring 7 is set between 12 bottom plate of level board 5 and frame, 4 turns of 3 drive cam shaft bearing assembly of stepper motor
It is dynamic, due to the vertical reciprocating movement of the elastic force and then drive level board 5 and guide post of spring 7, and then drive the rubber pressure of optical fiber 11
First 8 vertical reciprocating movements.
The guide post includes the upper head plate 6 and cylinder 17 being fixed to each other, and upper head plate 6 is fixed on the upper end of cylinder 17, is in " T "
Font, upper head plate 6 are fixed on the upper end of level board 5, and 7 sets of spring on cylinder 17.
It further include optical fiber fixed plate 2, the optical fiber fixed plate 2 is fixed in frame 12, and optical fiber fixed plate 2 is equipped with guide hole
201, optical fiber 11 is inserted into guide hole 201 and moves back and forth vertically along guide hole 201.Optical fiber 11 all may be used whether stretching out rubber squeeze head 8
With.
The side of the separate stepper motor 3 of the frame 12 is fixed with pedestal 1, and one end of optical fiber fixed plate 2 is fixed on bottom
1 upper end of seat.
It is equipped with clamping seam 202 along guide hole 201 in the optical fiber fixed plate 2, clamping seam 202 extends to optical fiber fixed plate 2
Separate pedestal 1 one end, the side of optical fiber fixed plate 2 set there are two fastening bolt through clamping seam 202, two fastening bolts
Positioned at the two sides of guide hole 201.
The vertical plate 14 is equipped with the positional detecting device for detecting 8 in-position of rubber squeeze head.
The positional detecting device includes optoelectronic induction piece 16, switch fixing casing 10 and U-shaped optoelectronic switch 15, U-shaped photoelectricity
Switch 15 is fixed on 12 inner wall of frame by switch fixing casing 10, and switch fixing casing 10 is located at the side of guide rail 9, optoelectronic induction piece
16 one end is bolted on vertical plate 14, and the other end of optoelectronic induction piece 16 is formed towards the side bending of guide rail 9
Bending part 161 causes bending part 161 to extend into or out the inspection in the slot of U-shaped optoelectronic switch 15 with the vertical shift of L-type plate
Location, bending part 161 is matched with U-shaped optoelectronic switch 15 carries out whether induction rubber squeeze head 8 reaches commitment positions.
The side of vertical plate 14 back to the guide rail 9 is fixed with mounting plate 13, and mounting plate 13 is equipped with the item of vertical direction
Shape protrusion, strip projected parts are detachably fixed optoelectronic induction piece 16 by bolt.
The optoelectronic induction piece 16 includes integrally formed vertical piece 163, horizontal plate 162 and bending part 161, horizontal plate
162 between vertical piece 163 and bending part 161, and vertical piece 163 is bolted on strip projected parts, and bending part 161 is along z
Axis is perpendicular to horizontal plate 162, and vertical piece 163 is along y-axis perpendicular to horizontal plate 162.
8 material of rubber squeeze head is nitrile rubber, allows miniature deformation amount, it is ensured that reaction cup hole compresses and covers
Light.
Wherein camshaft bearing component 4 includes cam and bearing, and by exporting axis connection, middle (center) bearing is abutted with level board.
In use, when stepper motor 3 start after, drive 4 synchronous rotary of camshaft bearing component movement, by bearing outer ring with
The upper surface of the level board 5 of L-type support contacts, and pushes L-type support and 6 vertical motion of guide post.Since linear guide 9 is to L-type branch
The rotary motion of the guiding role of frame, stepper motor 3 can be converted into the vertical movement up and down of guide post.Pressure of the spring 7 by L-type support
Contracting, when stepper motor 3 is turned round with moving cam, the elastic force of spring 7 can support L-type support and guide post to restore to home position.
Positional detecting device detects L-type support and whether guide post reaches commitment positions for depressing the detection in place of movement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of reading hold-down devices for chemical illumination immunity analysis instrument, it is characterised in that: including stepper motor (3), frame
The output end of frame (12), L-type plate, camshaft bearing component (4), optical fiber (11) and guide post, the stepper motor (3) connects camshaft
Bearing assembly (4), frame (12) inner wall are fixed with the guide rail (9) of vertical direction, L-type plate include integrally formed vertical plate (14) and
Level board (5), vertical plate (14) slidable connection guide rail (9), level board (5) are connected to the lower end surface of camshaft bearing component (4),
Guide post is fixed on level board (5) through level board (5) and frame (12) bottom plate, guide post upper end, and frame is stretched out in guide post lower end
(12) hereinafter, guide post lower end is fixed with rubber squeeze head (8), the through-hole communicated, optical fiber (11) are equipped in guide post and rubber squeeze head (8)
It is tightly inserted into the through-hole of guide post and rubber squeeze head (8), is cased with spring (7) outside guide post from top to bottom, spring (7) is set to level board
(5) between frame (12) bottom plate, stepper motor (3) drive cam shaft bearing assembly (4) rotation, due to spring (7) elastic force into
And the vertical reciprocating movement of level board (5) and guide post is driven, and then drive the vertical reciprocal shifting of the rubber squeeze head (8) of optical fiber (11)
It is dynamic.
2. the reading hold-down devices according to claim 1 for chemical illumination immunity analysis instrument, it is characterised in that: described
Guide post includes the upper head plate (6) and cylinder (17) being fixed to each other, and upper head plate (6) is fixed on the upper end of cylinder (17), is in " T " word
Type, upper head plate (6) are fixed on the upper end of level board (5), and spring (7) covers on cylinder (17).
3. the reading hold-down devices according to claim 1 for chemical illumination immunity analysis instrument, it is characterised in that: also wrap
It includes optical fiber fixed plate (2), the optical fiber fixed plate (2) is fixed in frame (12), and optical fiber fixed plate (2) is equipped with guide hole
(201), it is moved back and forth vertically in optical fiber (11) insertion guide hole (201) and along guide hole (201).
4. the reading hold-down devices according to claim 3 for chemical illumination immunity analysis instrument, it is characterised in that: described
The side of the separate stepper motor (3) of frame (12) is fixed with pedestal (1), and one end of optical fiber fixed plate (2) is fixed on pedestal (1)
Upper end.
5. the reading hold-down devices according to claim 4 for chemical illumination immunity analysis instrument, it is characterised in that: described
It is equipped with clamping seam (202) along guide hole (201) in optical fiber fixed plate (2), clamping seam (202) extends to optical fiber fixed plate (2)
One end far from pedestal (1), the side of optical fiber fixed plate (2), which sets to run through there are two fastening bolt, clamps seam (202), two fastenings
Bolt is located at the two sides of guide hole (201).
6. the reading hold-down devices according to claim 1-5 for chemical illumination immunity analysis instrument, feature
Be: the vertical plate (14) is equipped with the positional detecting device for detecting rubber squeeze head (8) in-position.
7. the reading hold-down devices according to claim 6 for chemical illumination immunity analysis instrument, it is characterised in that: described
Positional detecting device includes optoelectronic induction piece (16), switch fixing casing (10) and U-shaped optoelectronic switch (15), U-shaped optoelectronic switch
(15) it is fixed on frame (12) inner wall by switch fixing casing (10), switch fixing casing (10) is located at the side of guide rail (9), photoelectricity
One end of sensing chip (16) is bolted on vertical plate (14), and the other end of optoelectronic induction piece (16) is towards guide rail (9)
Side bending, forming bending part (161) with the vertical shift of L-type plate causes bending part (161) to extend into or out U-shaped light
Check bit in the slot of electric switch (15), bending part (161) match with U-shaped optoelectronic switch (15) and carry out induction rubber squeeze head
(8) whether commitment positions are reached.
8. the reading hold-down devices according to claim 7 for chemical illumination immunity analysis instrument, it is characterised in that: described
The side of vertical plate (14) back to guide rail (9) is fixed with mounting plate (13), and the strip that mounting plate (13) is equipped with vertical direction is convex
It rises, strip projected parts are detachably fixed optoelectronic induction piece (16) by bolt.
9. the reading hold-down devices according to claim 7 for chemical illumination immunity analysis instrument, it is characterised in that: described
Optoelectronic induction piece (16) includes integrally formed vertical piece (163), horizontal plate (162) and bending part (161), horizontal plate (162)
Between vertical piece (163) and bending part (161), vertical piece (163) is bolted on strip projected parts, bending part
(161) along z-axis perpendicular to horizontal plate (162), vertical piece (163) is along y-axis perpendicular to horizontal plate (162).
10. the reading hold-down devices according to claim 1 for chemical illumination immunity analysis instrument, it is characterised in that: institute
Stating rubber squeeze head (8) material is nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577896.4A CN109406767A (en) | 2018-12-20 | 2018-12-20 | A kind of reading hold-down devices for chemical illumination immunity analysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577896.4A CN109406767A (en) | 2018-12-20 | 2018-12-20 | A kind of reading hold-down devices for chemical illumination immunity analysis instrument |
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| Publication Number | Publication Date |
|---|---|
| CN109406767A true CN109406767A (en) | 2019-03-01 |
Family
ID=65461163
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811577896.4A Pending CN109406767A (en) | 2018-12-20 | 2018-12-20 | A kind of reading hold-down devices for chemical illumination immunity analysis instrument |
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| CN207318502U (en) * | 2017-07-10 | 2018-05-04 | 博奥赛斯（天津）生物科技有限公司 | A kind of chemical illumination immunity analysis instrument device testing agency |
| CN207020087U (en) * | 2017-07-11 | 2018-02-16 | 上海惠中医疗科技有限公司 | A kind of automatic lmunoassays analyzer photon detection device |
| CN207147975U (en) * | 2017-08-28 | 2018-03-27 | 重庆科斯迈生物科技有限公司 | Linkage structure of dark box and gripper for chemiluminescence immunoassay detection |
| CN207850574U (en) * | 2018-01-05 | 2018-09-11 | 嘉兴市恒创电力设备有限公司 | A kind of high pressure test area protective device using Fibre Optical Sensor |
| CN107918028A (en) * | 2018-01-08 | 2018-04-17 | 烟台德迈生物科技有限公司 | A kind of reaction cup continuous-reading device |
| CN209327356U (en) * | 2018-12-20 | 2019-08-30 | 博奥赛斯（天津）生物科技有限公司 | A kind of reading hold-down devices for chemical illumination immunity analysis instrument |
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