CN208780618U - A kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism - Google Patents
A kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism Download PDFInfo
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- CN208780618U CN208780618U CN201821363059.7U CN201821363059U CN208780618U CN 208780618 U CN208780618 U CN 208780618U CN 201821363059 U CN201821363059 U CN 201821363059U CN 208780618 U CN208780618 U CN 208780618U
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- strut
- ultraviolet
- sample introduction
- introduction mechanism
- uisible spectrophotometer
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- 230000003028 elevating effect Effects 0.000 claims abstract description 14
- 230000004308 accommodation Effects 0.000 claims description 23
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- 238000005452 bending Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 50
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000338 in vitro Methods 0.000 description 4
- 239000012488 sample solution Substances 0.000 description 4
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- 238000001514 detection method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
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- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- -1 tungsten halogen Chemical class 0.000 description 1
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Abstract
The utility model discloses a kind of ultraviolet-uisible spectrophotometers with sample introduction mechanism, it is related to photometric devices technical field, aim to solve the problem that existing hand sampling system, there is very high requirement to the proficiency of operator, and it is easy to touch mirror surface in operation, it is likely to result in the problem of mirror surface scratches, technical points are: including photometer ontology, photometer ontology side is equipped with display screen and control key, the photometer ontology other side is equipped with sample cell, it is equipped in the sample cell and carries platform for put cuvette, the platform bottom of carrying is connected with the elevating mechanism for being displaced it along the vertical direction, and the flip lid being hinged with photometer body housing is equipped at the top of the sample cell.The problem of avoiding due to manual operation is improper, leading to test error.
Description
Technical field
The utility model relates to photometric devices technical field more particularly to a kind of UV, visible lights with sample introduction mechanism point
Light photometer.
Background technique
Ultraviolet-uisible spectrophotometer is by the components group such as light source, monochromator, absorption cell, detector and signal processor
At.The function of light source is to provide sufficient intensity, stable continuous spectrum, and ultraviolet region usually uses hydrogen lamp or deuterium lamp, light-exposed area
Usually use tungsten lamp or tungsten halogen lamp, the function of monochromator is by compound photodegradation that light source issues and therefrom to separate the list of required wavelength
Coloured light, dispersion element have prism and two kinds of grating, it is seen that the measurement of the measurement in light area glass absorption cell, ultraviolet region must use stone
English absorption cell.The function of detector is that the intensity of light is penetrated by photo-electric conversion element detection, converts optical signals into electric signal,
Common photo-electric conversion element has photoelectric tube, photomultiplier tube and photodiode array detector.The classification side of spectrophotometer
There are many methods: can be divided into single beam and double beam spectrophotometer by light path system；Single wavelength and double can be divided by measurement method
Wavelength spectrophotometer；It is divided into light splitting Scanning Detction by the detection mode for drawing spectrogram and diode array composes detection entirely.
The sample introduction of existing ultraviolet specrophotometer is hand sampling system, is had to the proficiency of operator very high
It is required that being spread across in sample room to prevent sample solution, and cuvette is being put into the internal procedure of sample room, operator's finger is very
It is easy to touch mirror surface, is likely to result in mirror surface scuffing, leads to test error.
Utility model content
The purpose of the utility model is to provide a kind of ultraviolet-uisible spectrophotometers with sample introduction mechanism, avoid due to people
The reason of work misoperation, the problem of leading to test error.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism, including photometer ontology, the photometer ontology one
Side is equipped with display screen and control key, and the photometer ontology other side is equipped with sample cell, is equipped in the sample cell for putting
Cuvette carries platform, and the platform bottom of carrying is connected with the elevating mechanism for being displaced it along the vertical direction, and the sample
The flip lid being hinged with photometer body housing is equipped at the top of pond.
By using above-mentioned technical proposal, when needing to place cuvette, flip lid is opened to expose sample cell, is then utilized
Elevating mechanism will carry platform and hold out sample cell, complete the process for placing sample in vitro, after the completion of placing therewith, utilize liter again
Descending mechanism resets, and closure renovates the leakproofness to guarantee sample cell, will not generate light leakage phenomena, finally by control key operation light
Degree meter ontology is tested, and test result is shown on a display screen, for operator's record.
Further, the elevating mechanism include with the first strut for carrying platform bottom center and being fixedly connected, described first
Strut is rotatably connected to the second strut, and first strut is coaxially disposed and is threadedly coupled with the second strut, and the luminosity
Meter ontology is located at the regulating mechanism for being equipped in the chamber of sample bottom of pond portion and rotating the second strut.
By using above-mentioned technical proposal, the second strut is rotated to drive and carry platform and move along the vertical direction, is carried with controlling
It send platform to pass in and out sample cell, effectively prevent sample solution to be spread across in sample cell, and operator's finger is effectively avoided to touch sample
Product pond internal mirror, the problem of causing mirror surface to scratch, lead to test error.
Further, the regulating mechanism includes being rotatably arranged on photometer ontology to be located at the indoor company of sample cell bottom chamber
Bar, the connecting rod are sequentially connected perpendicular to second strut and by bevel gear and the second strut.
Cooperate the spiral shell of the first strut and the second strut with the kind of drive of bevel gear by using above-mentioned technical proposal
Line structure, make it is whole have self-lock ability, avoid long term frequent using occurring carrying the case where platform sliding is toppled after elevating function.
Further, the connecting rod is equipped with far from bevel gear one end is located at the external handwheel of photometer sheet, on the handwheel
It is arranged with antiskid glue sleeve.
By using above-mentioned technical proposal, it is located at the external handwheel of photometer sheet far from the setting of bevel gear one end in connecting rod,
Make handwheel keep rotating coaxially with connecting rod, in order to control the bearing height for carrying platform, and is arranged antiskid glue sleeve on handwheel, it can
Effectively increase the frictional force of manpower and handwheel, it is easily operated, it prevents from carrying platform and topple over.
Further, the connecting rod and the second strut are equipped with limit plate close to bevel gear one end.
By using above-mentioned technical proposal, it is embedded limit plate close to bevel gear one end in connecting rod and the second strut, can be played
The effect of fixed connecting rod and the second strut, to prevent the bevel gear being meshed from falling off separation.
Further, sample cell inner wall quadrangle bending part is equipped with guide rail along the vertical direction, on first strut
Equipped with the gag lever post with guide rail sliding connection.
By using above-mentioned technical proposal, on the one hand this structure plays the effect of the first strut radial displacement of limitation, another
Aspect assists the first strut and the second strut only to move along the vertical direction when passing through threads turn.
Further, the gag lever post is equipped with the idler wheel cooperated with guide rail far from one end of the first strut.
By using above-mentioned technical proposal, idler wheel is set far from one end of the first strut in gag lever post, gag lever post can be reduced
The frictional force generated between guide rail inner wall, so that the lifting for carrying platform is more smooth.
Further, the interface side wall of the photometer ontology and flip lid is equipped with fixation hole, pair of the flip lid side wall
Position is answered to offer accommodation groove, accommodation groove can be pierced by and be inserted into the pillar in fixation hole, the pillar by being equipped in the accommodation groove
It is connected with the reset spring being arranged in accommodation groove.
By using above-mentioned technical proposal, pillar is pulled away from fixation hole direction until not inside accommodation groove,
Reset spring is renovated, in order to place cuvette at compressive state under pillar constraint at this time so as to rotate；Similarly, stop
It only exerts a force to pillar, pillar can be ejected accommodation groove and be vertically plugged in fixation hole by reset spring to be consolidated with the locking for realizing flip lid
It is fixed.
Further, the pillar is equipped with inclined-plane far from reset spring one end.
By using above-mentioned technical proposal, under the ramp effect that pillar is arranged far from reset spring one end, rotation flip lid
During being fixed with realization, it is only necessary to flip lid is pressed, it is easy to operate.
Further, the accommodation groove is equipped with the recessing groove being arranged along its length, and the pillar, which is equipped with, to be prolonged
The handle outside accommodation groove is stretched out, the handle slides in the recessing groove.
By using above-mentioned technical proposal, holds handle and slid along recessing groove, can be easy to implement and be locked to flip lid.
In conclusion the utility model has the following beneficial effects:
1, platform will be carried by elevating mechanism and hold out sample cell, in vitro complete place sample process, can avoid due to
The problem of manual operation is improper, touches mirror surface, causes test error；
2, by setting flip lid, guarantee the sealing effect of sample cell, to avoid light leakage phenomena is generated.
Detailed description of the invention
Fig. 1 is the entirety that opening state is renovated in a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism of the present embodiment
Structural schematic diagram；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the section view that closed state is renovated in a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism of the present embodiment
Figure.
In figure, 1, photometer ontology；11, display screen；12, control key；13, sample cell；21, platform is carried；22, elevator
Structure；221, the first strut；222, the second strut；223, connecting rod；224, handwheel；225, antiskid glue sleeve；226, guide rail；227, it limits
Bar；228, idler wheel；229, limit plate；23, it renovates；231, fixation hole；232, pillar；233, reset spring；234, recessing groove；
235, handle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism, as shown in Figure 1, including photometer ontology 1, photometer
1 side of ontology is equipped with display screen 11 and control key 12, and the other side is provided with sample cell 13.Because sample cell 13 is for putting
The part for setting sample and reference needs often to open and close, so have very high requirement to the proficiency of operator's sample introduction,
To preventing sample solution to be spread across in sample cell 13, and there is being easy to touch mirror surface when operator's sample introduction, to cause
The problem of mirror surface scratches, and leads to test error.
To solve this problem, as shown in figures 1 and 3, it is provided in sample cell 13 and carries platform for put cuvette
21, it carries 21 bottom of platform and is connected with the elevating mechanism 22 for being displaced it along the vertical direction, and be equipped with and light at the top of sample cell 13
The flip lid 23 that degree meter 1 shell of ontology is hinged.Therefore, when needing to place cuvette, flip lid is opened 23 to expose sample cell 13,
Then platform 21 will be carried using elevating mechanism 22 and hold out sample cell 13, complete the process for placing sample in vitro, placed therewith
Cheng Hou is resetted using elevating mechanism 22 again, is closed flip lid 23 to guarantee the leakproofness of sample cell 13, it is existing will not to generate light leakage
As operating photometer ontology 1 finally by control key 12 and being tested, test result is shown on display screen 11, for operation
Personnel record.
As shown in figure 3, elevating mechanism 22 include with the first strut 221 for carrying 21 bottom center of platform and being fixedly connected, first
Strut 221 is rotatably connected to the second strut 222, and the first strut 221 is coaxially disposed and is threadedly coupled with the second strut 222, thus
It is driven by the second strut 222 of rotation and carries platform 21 and move along the vertical direction, platform 21 is carried with control and passes in and out sample cell 13, is had
Effect prevents sample solution to be spread across in sample cell 13, and operator's finger is effectively avoided to touch 13 internal mirror of sample cell,
The problem of causing mirror surface to scratch, leading to test error, therefore finally in the chamber that photometer ontology 1 is located at 13 bottom of sample cell
The regulating mechanism for rotating the second strut 222 is set.
As shown in figure 3, regulating mechanism includes being rotatably arranged on photometer ontology 1 to be located at the indoor company of 13 bottom chamber of sample cell
Bar 223, connecting rod 223 and the second strut 222 are perpendicular, and bevel gear is arranged on connecting rod 223 and the second strut 222 and passes to realize
Dynamic connection.The kind of drive for using bevel gear, cooperates the helicitic texture of the first strut 221 and the second strut 222, makes whole tool
Standby self-lock ability avoids long term frequent using occurring carrying the case where sliding of platform 21 is toppled after elevating function.
As shown in figure 3, regulating mechanism further includes being arranged in connecting rod 223 far from bevel gear one end and positioned at photometer ontology 1
Outer handwheel 224, when handwheel 224 rotates, i.e. the holding of connecting rod 223 rotates coaxially, and then makes second by bevel gear engagement
Bar 222 rotates, and drives the first strut 221 to move along the vertical direction followed by screw thread, to control bearing height.Handwheel
It is also arranged with antiskid glue sleeve 225 on 224, can effectively increase the frictional force of hand Yu handwheel 224, it is easily operated, and prevent from carrying platform
21 topple over.
As shown in figure 3, connecting rod 223 and the second strut 222 are embedded with limit plate 229 close to bevel gear one end, the limit
Plate 229 can play the role of fixed connecting rod 223 and the second strut 222, to prevent the bevel gear being meshed from falling off separation.
As shown in figure 3, opening up guide rail 226 along the vertical direction in 13 inner wall quadrangle bending part of sample cell, and at first
Gag lever post 227 with the sliding connection of guide rail 226 is set on bar 221, and it is movable that gag lever post 227 is placed in guide rail 226, on the one hand rises
To the effect of limitation 221 radial displacement of the first strut, on the other hand the first strut 221 and the second strut 222 is assisted to pass through screw thread
It is only moved along the vertical direction when rotation.In this embodiment of the utility model, the one end of gag lever post 227 far from the first strut 221
The idler wheel 228 cooperated with guide rail 226 is installed, this structure can reduce the friction generated between 226 inner wall of gag lever post 227 and guide rail
Power, so that the lifting for carrying platform 21 is more smooth.In other embodiments, idler wheel 228 can also be substituted for and is taken with guide rail 226
The spring steel ball matched.
Since it is desired that guarantee that sample cell 13 is unable to light leakage in the off state, thus it is very high to its sealing requirements, such as Fig. 1
With shown in Fig. 2, it is provided with fixation hole 231 in the interface side wall of photometer ontology 1 and flip lid 23 first, is then renovating 23 side walls
Corresponding position open up accommodation groove (not identifying in figure), in accommodation groove setting can be pierced by accommodation groove and be inserted into fixation hole 231
Interior pillar 232, pillar 232 are connected with the reset spring 233 being arranged in accommodation groove.Therefore, by pillar 232 away from solid
Determine 231 direction of hole to pull until not inside accommodation groove, at this time reset spring 233 in the case where pillar 232 is fettered at compressive state, from
And flip lid 23 can be rotated, in order to place cuvette；Similarly, stop exerting a force to pillar 232, reset spring 233 can be by pillar
232 ejection accommodation grooves are simultaneously vertically plugged in fixation hole 231 to realize being locked for flip lid 23.
It is turned under this ramp effect in rotation as shown in Fig. 2, pillar 232 is equipped with inclined-plane far from 233 one end of reset spring
During lid 23 is fixed with realization, it is only necessary to flip lid 23 is pressed, it is easy to operate.
Pillar 232 in order to facilitate the pulling of, as shown in Fig. 2, opening up the recessing groove being arranged along its length on accommodation groove
234, and it is provided on pillar 232 handle 235 outside extensible accommodation groove, it holds handle 235 and is slid along recessing groove 234, it can
It is easy to implement being locked to flip lid 23.
The working principle of this ultraviolet-uisible spectrophotometer with sample introduction mechanism: by pillar 232 away from fixation hole
231 directions pull until not inside accommodation groove, at this time reset spring 233 in the case where pillar 232 is fettered at compressive state, so as to
With rotation flip lid 23 to expose sample cell 13, the holding of connecting rod 223 is rotated coaxially using handwheel 224 at this time, then passes through cone tooth
Wheel engagement rotates the second strut 222, drives the first strut 221 to move along the vertical direction followed by screw thread, until will carry
It send platform 21 to hold out sample cell 13, completes the process for placing sample in vitro, after the completion of placing therewith, utilize elevating mechanism 22 again
It resets, is closed and the flip lid 23 that is locked, operate photometer ontology 1 finally by control key 12 and tested, test result exists
It is shown on display screen 11, for operator's record.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism, including photometer ontology (1), the photometer ontology
(1) side is equipped with display screen (11) and control key (12), and photometer ontology (1) other side is equipped with sample cell (13), special
Sign is: it is equipped in the sample cell (13) for putting carrying platform (21) for cuvette, it is described to carry the connection of platform (21) bottom
There is the elevating mechanism (22) for being displaced it along the vertical direction, and is equipped with and photometer ontology (1) at the top of the sample cell (13)
The flip lid (23) that shell is hinged.
2. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 1, it is characterised in that: described
Elevating mechanism (22) includes and the first strut (221) for carrying platform (21) bottom center and being fixedly connected, first strut (221)
It being rotatably connected to the second strut (222), first strut (221) is coaxially disposed and is threadedly coupled with the second strut (222), and
And the photometer ontology (1) is located at the adjusting machine for being equipped in the chamber of sample cell (13) bottom and rotating the second strut (222)
Structure.
3. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 2, it is characterised in that: described
Regulating mechanism includes being rotatably arranged on photometer ontology (1) to be located at the indoor connecting rod of sample cell (13) bottom chamber (223), the company
Bar (223) is sequentially connected perpendicular to second strut (222) and by bevel gear and the second strut (222).
4. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 3, it is characterised in that: described
Connecting rod (223) is equipped with far from bevel gear one end is located at the handwheel (224) of photometer ontology (1) outside, is arranged on the handwheel (224)
There are antiskid glue sleeve (225).
5. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 4, it is characterised in that: described
Connecting rod (223) and the close bevel gear one end of the second strut (222) are equipped with limit plate (229).
6. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 2, it is characterised in that: described
Sample cell (13) inner wall quadrangle bending part is equipped with guide rail (226) along the vertical direction, and first strut (221) is equipped with and leads
The gag lever post (227) of rail (226) sliding connection.
7. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 6, it is characterised in that: described
Gag lever post (227) is equipped with the idler wheel (228) cooperated with guide rail (226) far from the one end of the first strut (221).
8. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 1, it is characterised in that: described
The interface side wall of photometer ontology (1) and flip lid (23) is equipped with fixation hole (231), the corresponding position of described flip lid (23) side wall
Accommodation groove is offered, the pillar (232) that can be pierced by accommodation groove and be inserted into fixation hole (231) is equipped in the accommodation groove, it is described
Pillar (232) is connected with the reset spring (233) being arranged in accommodation groove.
9. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 8, it is characterised in that: described
Pillar (232) is equipped with inclined-plane far from reset spring (233) one end.
10. a kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism according to claim 9, it is characterised in that: institute
It states accommodation groove and is equipped with the recessing groove (234) being arranged along its length, the pillar (232), which is equipped with, can be extended out accommodation groove
Outer handle (235), the handle (235) is along sliding in the recessing groove (234).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363059.7U CN208780618U (en) | 2018-08-22 | 2018-08-22 | A kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363059.7U CN208780618U (en) | 2018-08-22 | 2018-08-22 | A kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208780618U true CN208780618U (en) | 2019-04-23 |
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ID=66158208
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821363059.7U Expired - Fee Related CN208780618U (en) | 2018-08-22 | 2018-08-22 | A kind of ultraviolet-uisible spectrophotometer with sample introduction mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN208780618U (en) |
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2018
- 2018-08-22 CN CN201821363059.7U patent/CN208780618U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |