CN107782670A - A kind of cuvette test fixing device - Google Patents
A kind of cuvette test fixing device Download PDFInfo
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- CN107782670A CN107782670A CN201710888794.3A CN201710888794A CN107782670A CN 107782670 A CN107782670 A CN 107782670A CN 201710888794 A CN201710888794 A CN 201710888794A CN 107782670 A CN107782670 A CN 107782670A
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- drive shaft
- fixed block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a kind of cuvette test fixing device, including:Support frame, light source fixed block, light source, detector fixed block, detector, fixed cavity, drive shaft, drive shaft fixed block, elastomeric element and self-lock switch;Drive shaft can switch between the first position and the second position in the presence of external force;When drive shaft is located at first position, a drive shaft is pressed, drive shaft is switched to the second place by first position, and the lower end of drive shaft is locked in self-lock switch;When drive shaft is located at the second place, a drive shaft is pressed, the lower end of drive shaft is unlocked by self-lock switch, and first position is returned in the presence of elastomeric element.The present invention provides a kind of cuvette test fixing device, quickly can be put into and take out, solve in the prior art, and cuvette test fixing device is quickly put into, takes out function without setting simultaneously, the drawbacks of being unfavorable for continuous productive process and automatic test course.
Description
Technical field
The present invention relates to test mechanical, precision optical machinery field of mechanisms, more particularly to a kind of cuvette test fixing device.
Background technology
Cuboid cuvette is usually used in the test of chemical reagent, generally requires and chemical reagent is put into cuvette, then
The cuvette for filling chemical reagent to be measured is put into tester, the chemistry that instrument is irradiated in cuvette at one end by light source
Reagent sends spectrum, and the other end receives spectrum by detector and carries out spectrum analysis, so as to obtain the chemical reagent to be tested
Index to be measured., it is necessary to ensure that the liquid in cuvette is sufficient when chemical reagent in contrastive colours ware is tested, hold to be measured
The cuvette of liquid can quickly be put into tester and position is stable, and can quickly and easily take out, especially for some
Portable test equipment or pile line operation are, it is necessary to which cuvette is quickly put into test equipment, and position stabilization is being tested
In equipment, quickly taken out after the completion of test.And in the prior art, cuvette test fixing device, it can not realize and put
Enter the design of taking-up action;It is unfavorable for the progress of continuous productive process and automatic test course.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem, there is provided a kind of cuvette that quickly can be put into and take out
Test fixing device, solve in the prior art, cuvette test fixing device is quickly put into without setting simultaneously, takes out work(
Can, the drawbacks of being unfavorable for continuous productive process and automatic test course.
To achieve the above object, the present invention uses following technical scheme:
The invention provides a kind of cuvette test fixing device, including:
Support frame;
Light source fixed block, the light source fixed block are arranged in the support frame;
Light source, the light source are arranged on the light source fixed block;
Detector fixed block, the detector fixed block are arranged in the support frame;
Detector, the detector are arranged on the detector fixed block;
Fixed cavity, the fixed cavity is spliced to form by the light source fixed block and the detector fixed block, described
Fixed cavity is used to accommodate cuvette;The fixed cavity is between the light source and the detector, the light source and institute
Detector is stated to be correspondingly arranged;The bottom of the fixed cavity is provided with inwardly projecting step;
Drive shaft, the drive shaft are contained in the fixed cavity, and the lower end of the drive shaft extends to described
The bottom outside of fixed cavity, the external diameter of the lower end of the drive shaft is more than interior at the bottom stage of the fixed cavity
Footpath;
Drive shaft fixed block, the drive shaft fixed block are arranged on the upper end of the drive shaft, the drive shaft fixed block
External diameter be more than the drive shaft upper end external diameter;
Elastomeric element, the elastomeric element are set on the outside of the drive shaft, and the upper end of the elastomeric element is resisted against institute
State on drive shaft fixed block, the lower end of the elastomeric element is resisted against the upside of the step;
Self-lock switch, the self-lock switch are arranged in the support frame;
The drive shaft can switch between the first position and the second position in the presence of external force;When the drive shaft
During positioned at first position, once the drive shaft, the drive shaft are switched to the second place, the driving by first position for pressing
The lower end of axle is locked in the self-lock switch;When the drive shaft is located at the second place, the once driving is pressed
Axle, the lower end of the drive shaft is unlocked by the self-lock switch, and first is returned in the presence of the elastomeric element
Put.
In some embodiments, the axis of the light source and the detector overlaps.
In some embodiments, the cuvette is cuboid cuvette, and the fixed cavity is described rectangular for accommodating
The cross section of body cuvette is the cavity of rectangle.
In some embodiments, the drive shaft is T-shaped piece, and the lower end of the drive shaft is described T-shaped piece of head.
In some embodiments, the self-lock switch is door interlock switch, and the door interlock switch includes two set that cooperate
Individual clamping plate, when the drive shaft is located at the second place, two clamping plates are clamped in the case where the lower end of the drive shaft promotes and shape
Into door interlock switch cavity, the lower end of the drive shaft is locked in the door interlock switch cavity.
In some embodiments, the drive shaft fixed block is coaxially disposed with the drive shaft, and is fixed by screw.
In some embodiments, the elastomeric element is spring, and the spring is in compression shape.
In some embodiments, self-lock switch fixed block is provided with the support frame, the self-lock switch is arranged on institute
State on self-lock switch fixed block.
In some embodiments, when the drive shaft is located at the second place, the cuvette that is contained in the fixed cavity
Upper end end is concordant with the top of the fixed cavity;Or when the drive shaft is located at the second place, it is contained in described solid
Determine top indent of the cuvette upper end end in cavity relative to the fixed cavity.
In some embodiments, the lateral wall of the inwall of the fixed cavity and the cuvette being contained in the fixed cavity
Between gap coordinate.
The beneficial effects of the present invention are:Cuvette test fixing device provided by the invention, by light source fixed block and
Detector fixed block is spliced to form fixed cavity, sets drive shaft in fixed cavity, while pass through drive shaft fixed block, elasticity
The cooperation of the lower end of part and drive shaft, by drive shaft elastic spacing in fixed cavity;Meanwhile in the lower section of drive shaft
It is provided with the self-lock switch being used cooperatively for the lower end with drive shaft.After cuvette is put into fixed cavity, drive shaft
Positioned at first position, a drive shaft is pressed, drive shaft can be switched to the second place by first position, and by drive shaft
Lower end is locked in self-lock switch;Meanwhile when drive shaft is located at the second place, a drive shaft, driving are pressed again
The lower end of axle can be unlocked from self-lock switch, and first position is returned in the presence of elastomeric element.It is so constantly heavy
Multiple, circulation, quick in the cuvette test fixing device of cuvette can be used to be placed and taken out, suitable for continuous productive process and
In automatic test course.
Brief description of the drawings
Fig. 1 is cuboid cuvette structural representation in one embodiment of the invention.
Fig. 2 is cuvette test fixing device overall structure diagram in one embodiment of the invention.
Fig. 3 is drive shaft structural representation in one embodiment of the invention.
Reference:
Support frame 10;Light source fixed block 20;Light source 21;Detector fixed block 30;Detector 31;Fixed cavity
40;Drive shaft 50;The lower end 51 of drive shaft;Drive shaft fixed block 52;Elastomeric element 60;Self-lock switch 70;Clamping plate
71;Self-lock switch fixed block 80.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instruction such as " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;It can be machine
Tool connects or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Cuvette test fixing device provided by the invention is elaborated below in conjunction with accompanying drawing 1 to accompanying drawing 3.
In one embodiment of the invention, as depicted in figs. 1 and 2, there is provided a kind of cuvette test fixing device, including branch
Support frame frame 10 and the light source fixed block 20 being arranged in support frame 10, light source 21, detector fixed block 30, detector 31,
Fixed cavity 40, drive shaft 50, drive shaft fixed block 52, elastomeric element 60 and self-lock switch 70.
Light source fixed block 20 is arranged in support frame 10, for fixing and installing light source 21;Meanwhile light source fixed block 20
For coordinating with detector fixed block 30, fixed cavity 40 is spliced to form.
Light source 21 is arranged on light source fixed block 20, for launching the chemical reagent to be measured in light beam irradiation cuvette, from
And form test spectral;In this embodiment, the light beam that light source 21 projects, tried by the chemistry to be measured in cuvette and cuvette
After agent, meeting directive detector 31, received by detector 31.
Detector fixed block 30 is arranged in support frame 10, for fixed detector 31;Meanwhile detector fixed block 30
For coordinating with light source fixed block 20, fixed cavity 40 is spliced to form.
More specifically, light source fixed block 20 is provided with half chamber of fixed cavity 40 close to the side of detector fixed block 30
Body, and detector fixed block 30 is provided with half cavity of fixed cavity 40 close to the side of light source fixed block 20;During combination, two
Half cavity cooperatively forms a complete fixed cavity 40.
Detector 31 is arranged on detector fixed block 30, and the detector 31 is used for receiving by be measuredization in cuvette
The light beam of reagent is learned, the spectrum received is compared and analyzed and processed.
In the present embodiment, it is possible to understand that, although the position being not particularly limited between light source 21 and detector 31 is closed
System, but the relation between light source 21 and detector 31, be that those skilled in the art know in cuvette test process.
For example whole test process, the trend of light are:Light source 21 launches light beam, after being placed on the cuvette in fixed cavity 40
(needing by the chemical reagent to be detected in cuvette), directive detector 31, and received and handled by detector 31.This process
In, the light beam after the chemical reagent to be detected in cuvette, its spectrum is changed, and detector 31 is according to receiving
Spectrum, contrasted and analyzed.
Fixed cavity 40 is spliced to form by light source fixed block 20 and detector fixed block 30, and the fixation cavity 40 is used for
Accommodate cuvette;The cuvette of chemical reagent to be detected is installed, is put into fixed cavity 40, because fixed cavity 40 is located at light
Between source 21 and detector 31, and light source 21 is correspondingly arranged with detector 31, and the light beam that light source 21 projects is through in cuvette
After chemical reagent to be detected, received by detector 31.Above-mentioned " light source 21 is correspondingly arranged with detector 31 ", refers to light source 21
The light beam sent, after cuvette, it can be received by detector 31, light source 21 is in detector 31 can complete above-mentioned transmitting
With the position of receive capabilities, that is, it is considered as correspondence position.
In this embodiment, the bottom of fixed cavity 40 is provided with inwardly projecting step;On the one hand the step is used as bullet
Property the lower end of part 60 butting section, be on the other hand used for the lower end 51 of drive shaft is spacing outside the downside of fixed cavity 40
Portion.It so, it is possible to realize the positioning of drive shaft 50, by the way that the lower end 51 of drive shaft is spacing in the downside of fixed cavity 40
Outside, while elastomeric element 60 is placed between drive shaft fixed block 52 and step, elastomeric element 60 is in compressive state, such as
This, can carry out good spacing and stabilized driving axle 50 position to drive shaft 50.
As shown in Figures 2 and 3, drive shaft 50 is contained in fixed cavity 40, and the lower end 51 of drive shaft extends to admittedly
Determine the bottom outside of cavity 40, the external diameter of the lower end 51 of drive shaft is more than the internal diameter at the bottom stage of fixed cavity 40.
First, drive shaft 50 is contained in fixed cavity 40, for the cuvette that will be placed in fixed cavity 40
Contact, and the cuvette to being placed in fixed cavity 40 plays a part of support.When drive shaft 50 is located at first position, institute
Call first position, i.e. the lower end 51 of drive shaft is not locked in self-lock switch 70, and reseting elasticity is provided by elastomeric element 60,
And the gravity of drive shaft 50 and the position of the Spring balanced of elastomeric element 60 are realized, such as the position in Fig. 2.Cuvette is put into solid
Determine in cavity 40, cuvette lower end is supported on the upper end of drive shaft 50, and now, cuvette is exposed in fixed cavity by some
Outside 40;That is, the top of cuvette is higher than the top of fixed cavity 40.When pressing down on cuvette, drive can be driven
Moving axis 50 moves downward, and when drive shaft 50 moves to the second place from first position, the lower end 51 of drive shaft can lock
In self-lock switch 70, now, cuvette is all introduced into inside fixed cavity 40.
Secondly, the lower end 51 of drive shaft is located at the bottom outside of fixed cavity 40;Pass through the lower end of drive shaft
51st, the cooperation of elastomeric element 60 and drive shaft fixed block 52, drive shaft 50 is spacing in fixed cavity 40;Elastomeric element 60
Upward reseting elasticity is provided, the lower end 51 of drive shaft is used to be used cooperatively with self-lock switch 70.
Meanwhile the external diameter of the lower end 51 of drive shaft is more than the internal diameter at the bottom stage of fixed cavity 40, such energy
Enough ensure that the lower end 51 of drive shaft is stuck in the bottom outside of fixed cavity 40.When mounted, drive shaft 50, drive shaft are fixed
Block 52 and compression spring cooperate after assembling, and inside embedded fixed cavity 40, the lower end 51 for only leaving drive shaft is located at
The bottom outside of fixed cavity 40.
Drive shaft fixed block 52 is used to be arranged on the upper end of drive shaft 50, is fixed elastomeric element 60 is spacing in drive shaft
Between block 52 and the step of the fixed bottom of cavity 40, reseting elasticity is provided for drive shaft 50.In order to drive shaft fixed block 52 with
The upper end bound fraction of drive shaft 50, formed for spacing and support elastomeric element 60 structure, in the embodiment, by drive shaft
The external diameter of fixed block 52 is fabricated to the external diameter of the upper end more than drive shaft 50, in this way, the periphery edge of drive shaft fixed block 52 and drive
A platform is formed between moving axis 50, the platform is spacing for being carried out to elastomeric element 60.
Elastomeric element 60 is set in the outside of drive shaft 50, and is located at step and the driving of the lower end 51 of drive shaft
Between axle fixed block 52, a back stretch is provided for drive shaft 50.More specifically, the upper end of elastomeric element 60 is resisted against driving
On axle fixed block 52, lower end is resisted against the upside of step.
Self-lock switch 70, self-lock switch 70 is arranged in support frame 10, for being carried out to the lower end 51 of drive shaft
Locking and unblock.It the self-lock switch 70, can realize when once pressing, the lower end 51 of drive shaft is locked;Together
When, when pressing again, and can is unlocked to the lower end 51 of drive shaft, discharges the lower end 51 of drive shaft.
In the present embodiment, drive shaft 50 can switch between the first position and the second position under external force.Its
In, first position is that the lower end 51 of drive shaft is not locked out, at the same the gravity of drive shaft 50 (after cuvette is put into, should
Gravity is the total force of drive shaft 50 and cuvette) with position during 60 Spring balanced of elastomeric element, and the second place is driving
The position that the lower end 51 of axle locks with self-lock switch 70.After cuvette is put into fixed cavity 40, cuvette lower end against
In the upper end of drive shaft fixed block 52, in this way, pressing down on the i.e. achievable pressure or application external force to drive shaft 50 of cuvette.
When the drive shaft 50 is located at first position, the once drive shaft 50 is pressed, the drive shaft 50 is by first
Position is switched to the second place, and the lower end 51 of the drive shaft is locked in the self-lock switch 70;When the drive shaft
50 when being located at the second place, and the pressing once drive shaft 50, the lower end 51 of the drive shaft is by the self-lock switch 70
Unblock, and return to first position in the presence of the elastomeric element 60.
In the above-described embodiments, fixed cavity 40 is spliced to form by light source fixed block 20 and detector fixed block 30,
Drive shaft 50 is set in fixed cavity 40, while passes through the lower end of drive shaft fixed block 52, elastomeric element 60 and drive shaft
51 cooperation, by the elastic spacing of drive shaft 50 in fixed cavity 40;Meanwhile it is provided with and is used for and drive in the lower section of drive shaft 50
The self-lock switch 70 that the lower end 51 of moving axis is used cooperatively.After cuvette is put into fixed cavity 40, drive shaft 50 is positioned at the
One position, a drive shaft 50 is pressed, drive shaft 50 can be switched to the second place by first position, and by under drive shaft
End end 51 is locked in self-lock switch 70;Meanwhile when drive shaft 50 is located at the second place, a drive shaft is pressed again
50, the lower end 51 of drive shaft can be unlocked from self-lock switch 70, and first is returned in the presence of elastomeric element 60
Put.It is such constantly to repeat, circulate, it cuvette can be used quickly to be placed and taken out in the cuvette test fixing device, fit
For in continuous productive process and automatic test course.
In order that obtaining light source 21 can preferably coordinate with detector 31, realize " being correspondingly arranged ", in certain embodiments,
The axis of light source 21 is arranged to overlap with the axis of detector 31;In this way, the light that light source 21 projects, is transmitted along axis,
It is easy for being received by detector 31, is easy to position and installs, without excessive debugging.
In one embodiment of the present of invention, cuvette is cuboid cuvette, and now, fixed cavity 40 is for receiving
The cross section for stating cuboid cuvette is the cavity of rectangle.In this way, during detection, cuboid cuvette is put into fixed cavity 40
It is interior, and generally, the madial wall of cuvette and fixed cavity 40 leaves certain gap, in order to which contrastive colours ware is carried out
Move position.
Coordinate for the ease of design and with self-lock switch 70, in certain embodiments, the selection of drive shaft 50 is T-shaped piece, is driven
The lower end 51 of moving axis is T-shaped piece of head.T-shaped piece of head is used in combination with self-lock switch 70, on self-lock switch 70
The cavity consistent with T-shaped piece of head shape, size is provided with, when drive shaft 50 is located at the second place, T-shaped piece of head is inserted
Enter into the cavity of self-lock switch 70, and be locked in self-lock switch 70.
Self-lock switch 70 is door interlock switch, and door interlock switch includes two clamping plates 71 set that cooperate, drive shaft 50
When the second place, two clamping plates 71 clamp in the case where the lower end 51 of drive shaft promotes and form door interlock switch cavity, drive
The lower end 51 of axle is locked in the door interlock switch cavity.
In order that drive shaft fixed block 52 can ensure symmetrical centre overlapping of axles with drive shaft 50, by drive shaft fixed block 52
It is coaxially disposed with drive shaft 50, and is fixed by co-axial screw.
Elastomeric element 60 can select spring, and spring is in compressive state always;In this way, it just can guarantee that drive shaft 50 in fixation
Stability in cavity 40, and can will be put into cuvette therein and exit to the fixed top of cavity 40.
In certain embodiments, self-lock switch fixed block 80 is provided with support frame 10, self-lock switch 70 is fixed on this
On self-lock switch fixed block 80.It is easy to integrally-built fixed and positioned.
The cuvette upper end end being contained in when drive shaft 50 is located at the second place in fixed cavity 40 and fixed cavity 40
Top it is concordant, save space while, also allow for the position adjustment of cuvette.In another embodiment, drive shaft 50
When the second place, it is contained in top of the cuvette upper end end in fixed cavity 40 relative to the fixed cavity 40
It is recessed.That is, the groove of an indent is formed on the upper end end of cuvette and the top of fixed cavity 40.
Gap coordinates between the inwall of fixed cavity 40 and the lateral wall for the cuvette being contained in fixed cavity 40, so that
Cuvette when being put into, can be smooth be moved up and down in fixed cavity 40, avoid interim card.
In order to allow what the cuvette for filling chemical reagent to be measured was capable of fast and stable to be put into test device, after being completed
Cuvette can be quickly and easily taken out, one embodiment of the invention proposes a kind of cuboid cuvette test fixing device, should
Device is mutually spliced by light source fixed block 20 with detector fixed block 30, and composition one is consistent with cuvette cross sectional dimensions to be consolidated
Determine cavity 40, can realize that contrastive colours ware once presses by a door interlock switch, cuvette is completely into fixed cavity 40;It is right
Second of pressing cuvette of cuvette ejects above-mentioned fixed cavity 40, so as to take out cuvette, the just survey of fast and stable
Examination.
Door interlock switch is a commodity purchased, it can be understood as a standard component, the head of door interlock switch have the one of opening
To clamping plate 71, T-shaped piece is stretched among two clamping plates 71, and the briquetting of pressing clamping plate 71 bottom, two clamping plates 71 are moved downward and closed
Close and form a T-shaped chamber and hold tightly, then press the briquetting of the bottom of a lower plate 71, T-shaped chamber is opened in motion to two clamping plates 71 upwards;
T-shaped piece is used in combination with door interlock switch, what T-shaped piece of head was formed when just stepping up with two clamping plates 71 of door interlock switch
The consistent size of T-shaped chamber shape is consistent, so presses the briquetting of the bottom of clamping plate 71 with T-shaped piece of head, two clamping plates 71 are transported downwards
Dynamic closure forms a T-shaped chamber and holds T-shaped piece tightly, and T-shaped piece of head presses the briquetting of the bottom of a lower plate 71, two clamping plates again
71 move the T-shaped chamber of opening upwards unclamps T-shaped piece;Drive shaft fixed block 52 and T-shaped piece of connection, T-shaped piece of top surface and cuvette
Bottom contacts, the sectional dimension and light source fixed block 20 and the cavity cross-section of the formation of detector fixed block 30 of drive shaft fixed block 52
The consistent gap of size coordinates;Spring is set in T-shaped piece of endpiece, is fixed by the step of drive shaft fixed block 52 and cavity bottom
In cavity;Self-lock switch fixed block 80 is used for fixing door interlock switch and being integrally attached in support frame 10;Support frame 10
It is the carrier of whole device.Cuboid that light source fixed block 20 and detector fixed block 30 are spliced to form fixes cavity 40 and rectangular
The appearance and size of body cuvette is consistent and gives larger gap cooperation, and such cuboid cuvette can be put into the fixation cavity 40
Interior, up and down motion smooth in the fixation cavity 40 that can be smooth avoids interim card.The bottom of the fixation cavity 40 has one
The through hole of rectangle or circle, head sizes of the size less than T-shaped piece of the through hole, more than T-shaped piece endpiece sectional dimension, so
Can make T-shaped piece, spring and drive shaft fixed block 52 formed it is overall in fixed cavity 40 is nested in after installing, only
T-shaped piece of head leans out fixed cavity 40.
The installation of whole device and fixing step are as follows:
1. light source 21 is fixed in light source fixed block 20;
2. detector 31 is fixed in detector fixed block 30;
3. light source fixed block 20 and detector fixed block 30 are spliced as an entirety;
4. T-shaped piece of endpiece is deep into admittedly from the overall bottom that light source fixed block 20 and detector fixed block 30 are spliced into
Determine in cavity 40;
5. spring is put into fixed cavity 40 and is set on T-shaped piece of endpiece;
6. drive shaft fixed block 52 is put from the overall top that light source fixed block 20 and detector fixed block 30 are spliced into
Enter cavity to be connected by screw and T-shaped piece of afterbody by compression spring, by spring-compressed in the bottom of fixed cavity 40
Between drive shaft fixed block 52, drive shaft fixed block 52 is now pressed, T-shaped piece of head is leant out from cavity bottom.
7. door interlock switch is installed in self-lock switch fixed block 80;
8. self-lock switch fixed block 80 is installed in support frame 10;
9. by the integral installation that light source fixed block 20 and detector fixed block 30 are formed to general frame.
Operation is as follows:Cuboid cuvette is put into light source fixed block 20 and detector fixed block 30 is formed entirety is fixed
Cavity 40, cuvette is pressed for the first time, cuvette bottom pressing drive shaft fixed block 52, drive shaft fixed block 52 drives T-shaped piece
Downwards, now spring is pressurized, and T-shaped piece of head pressing door interlock switch, two clamping plates 71 of door interlock switch are held tightly clamp T-shaped piece downwards
Head, now cuvette detected completely into fixed cavity 40.After being completed, cuvette is pressed again, now T
The head pressing door lock of type block, two clamping plates 71 of door interlock switch unclamp upwards, now spring compressed in fixed cavity 40
Thrust drive shaft fixed block 52 is pushed up upwards, until T-shaped piece of head and the fixed bottom of cavity 40 contact, now colorimetric
Ware is ejected, and takes out cuvette, and completion is once tested.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (10)
1. a kind of cuvette test fixing device, its feature exist, including:
Support frame;
Light source fixed block, the light source fixed block are arranged in the support frame;
Light source, the light source are arranged on the light source fixed block;
Detector fixed block, the detector fixed block are arranged in the support frame;
Detector, the detector are arranged on the detector fixed block;
Fixed cavity, the fixed cavity are spliced to form by the light source fixed block and the detector fixed block, the fixation
Cavity is used to accommodate cuvette;The fixed cavity is between the light source and the detector, the light source and the spy
Device is surveyed to be correspondingly arranged;The bottom of the fixed cavity is provided with inwardly projecting step;
Drive shaft, the drive shaft are contained in the fixed cavity, and the lower end of the drive shaft extends to the fixation
The bottom outside of cavity, the external diameter of the lower end of the drive shaft are more than the internal diameter at the bottom stage of the fixed cavity;
Drive shaft fixed block, the drive shaft fixed block are arranged on the upper end of the drive shaft, the drive shaft fixed block it is outer
Footpath is more than the external diameter of the upper end of the drive shaft;
Elastomeric element, the elastomeric element are set on the outside of the drive shaft, and the upper end of the elastomeric element is resisted against the drive
On moving axis fixed block, the lower end of the elastomeric element is resisted against the upside of the step;
Self-lock switch, the self-lock switch are arranged in the support frame;
The drive shaft can switch between the first position and the second position in the presence of external force;When the drive shaft is located at
During first position, once the drive shaft, the drive shaft are switched to the second place by first position for pressing, the drive shaft
Lower end is locked in the self-lock switch;When the drive shaft is located at the second place, the once drive shaft, institute are pressed
The lower end for stating drive shaft is unlocked by the self-lock switch, and returns to first position in the presence of the elastomeric element.
2. cuvette test fixing device according to claim 1, it is characterised in that the light source and the detector
Axis overlaps.
3. cuvette test fixing device according to claim 1, it is characterised in that the cuvette is cuboid colorimetric
Ware, the fixed cavity are for cavity that the cross section that accommodates the cuboid cuvette is rectangle.
4. cuvette test fixing device according to claim 1, it is characterised in that the drive shaft is T-shaped piece, described
The lower end of drive shaft is described T-shaped piece of head.
5. cuvette test fixing device according to claim 1, it is characterised in that the self-lock switch is opened for door lock
Close, the door interlock switch includes two clamping plates set that cooperate, and when the drive shaft is located at the second place, two clamping plates exist
The lower end of the drive shaft clamps under promoting and forms door interlock switch cavity, and the lower end of the drive shaft is locked in institute
State in door interlock switch cavity.
6. cuvette test fixing device according to claim 1, it is characterised in that the drive shaft fixed block with it is described
Drive shaft is coaxially disposed, and is fixed by screw.
7. cuvette test fixing device according to claim 1, it is characterised in that the elastomeric element is spring, institute
Spring is stated in compression shape.
8. cuvette test fixing device according to claim 1, it is characterised in that be provided with the support frame certainly
Lock-switch fixed block, the self-lock switch are arranged on the self-lock switch fixed block.
9. cuvette test fixing device according to claim 1, it is characterised in that when the drive shaft is located at second
When putting, the cuvette upper end end being contained in the fixed cavity is concordant with the top of the fixed cavity;Or when described
When drive shaft is located at the second place, the cuvette upper end end in the fixed cavity is contained in relative to the fixed cavity
Top indent.
10. cuvette test fixing device according to claim 1, it is characterised in that the inwall of the fixed cavity with
Gap coordinates between the lateral wall for the cuvette being contained in the fixed cavity.
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CN201710888794.3A CN107782670B (en) | 2017-09-27 | 2017-09-27 | A kind of cuvette test fixing device |
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CN201710888794.3A CN107782670B (en) | 2017-09-27 | 2017-09-27 | A kind of cuvette test fixing device |
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CN107782670A true CN107782670A (en) | 2018-03-09 |
CN107782670B CN107782670B (en) | 2019-05-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113567345A (en) * | 2021-08-09 | 2021-10-29 | 南京鸿恺环保科技有限公司 | Cuvette constant temperature equipment |
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US20060087650A1 (en) * | 2004-10-21 | 2006-04-27 | Shen Thomas Y | Cuvette holder for spectrophotometers |
DE102006028516B3 (en) * | 2006-05-31 | 2007-10-04 | Hanno Wachernig | Cuvette for measuring particles of sample moving in cuvette comprises bearing with partial bearings for receiving forces running at angle to longitudinal axis through ends of cuvette |
WO2009127024A1 (en) * | 2008-04-17 | 2009-10-22 | Paulo Alberto Paes Gomes | Process, portable equipment and device for in vitro, one-step photometric determination of hemoglobin concentration in a diluted blood sample |
CN203275282U (en) * | 2013-05-31 | 2013-11-06 | 上海天美科学仪器有限公司 | Cuvette bracket |
CN206920320U (en) * | 2017-07-03 | 2018-01-23 | 天津通用科技有限公司 | A kind of chemical analysis cuvette fixing device |
CN107637043A (en) * | 2015-10-19 | 2018-01-26 | 华为技术有限公司 | Business for resource management in constraint environment provides mthods, systems and devices device |
-
2017
- 2017-09-27 CN CN201710888794.3A patent/CN107782670B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060087650A1 (en) * | 2004-10-21 | 2006-04-27 | Shen Thomas Y | Cuvette holder for spectrophotometers |
DE102006028516B3 (en) * | 2006-05-31 | 2007-10-04 | Hanno Wachernig | Cuvette for measuring particles of sample moving in cuvette comprises bearing with partial bearings for receiving forces running at angle to longitudinal axis through ends of cuvette |
WO2009127024A1 (en) * | 2008-04-17 | 2009-10-22 | Paulo Alberto Paes Gomes | Process, portable equipment and device for in vitro, one-step photometric determination of hemoglobin concentration in a diluted blood sample |
CN203275282U (en) * | 2013-05-31 | 2013-11-06 | 上海天美科学仪器有限公司 | Cuvette bracket |
CN107637043A (en) * | 2015-10-19 | 2018-01-26 | 华为技术有限公司 | Business for resource management in constraint environment provides mthods, systems and devices device |
CN206920320U (en) * | 2017-07-03 | 2018-01-23 | 天津通用科技有限公司 | A kind of chemical analysis cuvette fixing device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113567345A (en) * | 2021-08-09 | 2021-10-29 | 南京鸿恺环保科技有限公司 | Cuvette constant temperature equipment |
CN113567345B (en) * | 2021-08-09 | 2024-02-02 | 南京鸿恺环保科技有限公司 | Cuvette thermostat |
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