CN208999300U - A kind of spectrophotometer - Google Patents
A kind of spectrophotometer Download PDFInfo
- Publication number
- CN208999300U CN208999300U CN201821518359.8U CN201821518359U CN208999300U CN 208999300 U CN208999300 U CN 208999300U CN 201821518359 U CN201821518359 U CN 201821518359U CN 208999300 U CN208999300 U CN 208999300U
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- China
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- movable block
- pull rod
- fixed plate
- fixedly installed
- flip lid
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Abstract
The utility model relates to a kind of spectrophotometers, belong to optic analytical instrument technical field, including shell, the sensing chamber being opened on shell and the flip lid being set in sensing chamber, the bottom wall of sensing chamber is fixedly installed fixed plate, sliding is provided with movable block in fixed plate, movable block offers multiple for placing the accommodation groove of cuvette along own slip direction, the limit assembly for limiting movable block position is provided in fixed plate, pull rod is fixedly installed on movable block, pull rod is pierced by outside shell far from one end of movable block.When use, open flip lid, multiple cuvettes equipped with test specimens to be checked are sequentially placed into accommodation groove, flip lid is covered again, and experimenter pulls movable block mobile, makes cuvette face light source to be detected by pull rod, and limit assembly plays the purpose for limiting movable block position, it prevents from causing movable block position mobile because experimenter touches pull rod, avoids the cuvette positional shift detected, improve the accuracy of detection.
Description
Technical field
The utility model relates to optic analytical instrument technical field, in particular to a kind of spectrophotometer.
Background technique
Spectrophotometer is also known as spectrometer, is a kind of scientific instrument of the photodegradation by complicated component at spectrum line, is existing
In a kind of common conventional scientific instrument in laboratory, food factory be also required in testing product using.
Authorization Notice No. is that the Chinese patent of CN206038524U discloses a kind of spectrophotometer, including shell, pull handle
And inner cavity, pull handle are located at the side wall of shell, are equipped with sample cell in inner cavity, pull handle is connected with sample cell, is equipped in sample cell multiple
Jack.In use, multiple cuvettes equipped with test specimens to be checked matched with spectrophotometer are sequentially placed into inserting for sample cell
In hole, change the position of sample cell by pulling pull handle, after being detected to each cuvette, takes out cuvette.
Disadvantage is that, in order to guarantee the accuracy of detection, needing to avoid cuvette position mobile and most when detection
It may make the light source of cuvette face spectrophotometer to be detected, so that the light that light source issues passes through cuvette；But it tests
Behind the position that personnel pull pull handle to adjust sample cell manually, pull handle is carelessly touched, sometimes so as to cause ratio to be detected
The anti-raw offset in color ware position, influences the accuracy of testing result.
Utility model content
The purpose of this utility model is to provide a kind of spectrophotometers, have and limit cuvette position, improve detection knot
The advantages of accuracy of fruit.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of spectrophotometer, including shell, the sensing chamber being opened on shell and the flip lid being set in sensing chamber, institute
The bottom wall for stating sensing chamber is fixedly installed fixed plate, and sliding is provided with movable block in the fixed plate, and the movable block is along itself
Glide direction offers multiple accommodation grooves for being used to place cuvette, is provided in the fixed plate for limiting movable block position
Limit assembly, be fixedly installed pull rod on the movable block, the pull rod is pierced by outside shell far from one end of movable block.
Implement above-mentioned technical proposal, in use, opening flip lid, multiple cuvettes equipped with test specimens to be checked are sequentially placed into
In accommodation groove, then flip lid being covered, experimenter pulls movable block mobile, makes cuvette face light source to be detected by pull rod,
And limit assembly plays the purpose for limiting movable block position, prevents from causing movable block position to be moved because experimenter touches pull rod
It is dynamic, the cuvette positional shift detected is avoided, the accuracy of detection is improved.
Preferably, the bottom wall of the movable block and be located at accommodation groove immediately below offer positioning groove, positioning groove
Side wall is cambered surface, and mounting hole is offered in the fixed plate, and the limit assembly includes the limit that sliding is arranged in mounting hole
Sell and be set in mounting hole for drive spacer pin insertion positioning groove so that movable block position restriction elastic component, the limit
One end of position pin insertion positioning groove is fixedly installed hemisphere, and the hemispheroidal diameter is greater than the depth of positioning groove.
Implement above-mentioned technical proposal, pull rod pull movable block during, when the position of spacer pin and positioning groove just
Clock synchronization, spacer pin are inserted into positioning groove under the action of the elastic member, to realize the purpose for limiting movable block position, avoid living
Motion block moves easily；When needing to detect next cuvette, because hemispheroidal diameter is greater than the depth of positioning groove, people is tested
Member need to only increase the active force applied to pull rod, can pull movable block, easy to use.
Preferably, the mounting hole is conllinear with the projection of cuvette to be detected and light source in the horizontal plane, the bullet
Property part be pressure spring, one end of the pressure spring is fixedly connected with the bottom wall of mounting hole, the other end is fixedly connected with spacer pin.
Implement above-mentioned technical proposal, mounting hole is conllinear with the projection of cuvette to be detected and light source in the horizontal plane,
So that when detecting, cuvette face light source effectively improves the accuracy of detection.
Preferably, it is parallel to pull rod in the fixed plate and offers sliding slot, be fixedly installed on the movable block and sliding slot
Words one fall the sliding block of connection.
Implement above-mentioned technical proposal, during pull rod pulls movable block sliding, sliding block slides along the chute, plays to work
The effect of motion block guiding, and keep movable block movement more smooth.
Preferably, the sliding slot is dovetail groove, and the sliding block is dovetails compatible with dovetail groove.
Implement above-mentioned technical proposal, dovetail groove and dovetails cooperate, and play the purpose for preventing movable block to be detached from sliding slot.
Preferably, the side wall in the accommodation groove is provided with elastic sheet rubber.
Implement above-mentioned technical proposal, elastic sheet rubber have deformability, can clamping cuvette, prevent cuvette from holding
It sets in slot and shakes, improve the accuracy of detection.
Preferably, the elastic sheet rubber gradually thickeies setting along the depth direction of accommodation groove.
Implement above-mentioned technical proposal, after a period of time to be used, elastic sheet rubber deformability weakens, can be by cuvette card
The service life for playing deeply and extending elastic sheet rubber is obtained, avoids frequently replacing elastic rubber because elastic sheet rubber fails
Piece.
Preferably, articulated shaft is fixedly installed on the shell, the flip lid is articulated on articulated shaft, on the articulated shaft
It is arranged with the torsional spring for driving flip lid to be kept open, card slot is offered on the shell, it is described to renovate far from articulated shaft
One end be fixedly installed for be inserted into card slot so that flip lid keep lid conjunction state fixture block.
Implement above-mentioned technical proposal, after opening flip lid, the active force of torsional spring drives flip lid to stay open, and avoids
It renovates during placing cuvette and covers easily.
In conclusion the utility model having the beneficial effect that in contrast to the prior art
One, in use, opening flip lid, multiple cuvettes equipped with test specimens to be checked are sequentially placed into accommodation groove, then is covered
Upturning lid, experimenter pulls movable block mobile, makes cuvette face light source to be detected by pull rod, and limit assembly plays
The purpose for limiting movable block position prevents from causing movable block position mobile because experimenter touches pull rod, avoids examining
The cuvette positional shift of survey, improves the accuracy of detection；
Two, elastic sheet rubber have deformability, can clamping cuvette, prevent cuvette from shaking in accommodation groove, mention
The accuracy of high detection.
Detailed description of the invention
Fig. 1 is the whole structural schematic diagram of the utility model embodiment；
Fig. 2 is the portion the A enlarged drawing in Fig. 1；
Fig. 3 is the cross-sectional view of the utility model embodiment；
Fig. 4 is the portion the B enlarged drawing in Fig. 3.
Appended drawing reference: 1, shell；11, articulated shaft；111, torsional spring；12, card slot；2, sensing chamber；21, fixed plate；211, pacify
Fill hole；212, sliding slot；22, light source；3, it renovates；31, fixture block；311, introduction bevel；312, arc groove；4, movable block；41, hold
Set slot；411, elastic sheet rubber；42, pull rod；421, it shakes hands；43, positioning groove；44, sliding block；51, spacer pin；511, hemisphere
Body；52, pressure spring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
As shown in Figure 1,3, a kind of spectrophotometer, including shell 1, the sensing chamber 2 being opened on shell 1 and are set to inspection
The flip lid 3 on room 2 is surveyed, the side wall of sensing chamber 2 is provided with light source 22, and articulated shaft 11 is fixedly installed on shell 1, and flip lid 3 is hinged
3 torsional springs 111 being kept open are renovated for driving in being arranged on articulated shaft 11 on articulated shaft 11.
As shown in Figure 1, 2, card slot 12 is offered on shell 1,3 one end far from articulated shaft 11 of flip lid, which are fixedly installed, to be used for
Card slot 12 is inserted into so that flip lid 3 keeps the fixture block 31 of lid conjunction state, fixture block 31 is provided with introduction bevel close to the side wall of card slot 12
311, in order to which fixture block 31 is smoothly caught in card slot 12, fixture block 31 is made of plastic cement, has certain elastic deformation ability；Fixture block
31 bottom wall offers arc groove 312, convenient for making fixture block 31 be detached from card slot 12 by finger.
As shown in Figure 3,4, the bottom wall of sensing chamber 2 is fixedly installed fixed plate 21, and sliding is provided with activity in fixed plate 21
Block 4, movable block 4 offers multiple accommodation grooves 41 for being used to place cuvette along own slip direction, in order to improve detection efficiency
And accuracy, four are set by accommodation groove 41, one is used as blank sample, and two are used as parallel comparative sample；It is solid on movable block 4
Surely it is provided with pull rod 42, pull rod 42 is pierced by outside shell 1 far from one end of movable block 4, and one end that pull rod 42 stretches out outside shell 1 is fixed
It is provided with knob 421.
As shown in Figure 3,4, the side wall in accommodation groove 41 is provided with elastic sheet rubber 411, and each accommodation groove 41 is arranged two
The elastic sheet rubber 411 of face, elastic sheet rubber 411 have deformability, can clamping cuvette, prevent cuvette from accommodating
It is shaken in slot 41, improves the accuracy of detection；Elastic sheet rubber 411 gradually thickeies setting along the depth direction of accommodation groove 41, to
After a period of use, 411 deformability of elastic sheet rubber weakens, and can obtain cuvette card deeply, plays the elastic rubber of extension
The service life of film 411 avoids frequently replacing elastic sheet rubber 411 because elastic sheet rubber 411 fails.
As shown in Figure 3,4, the bottom wall of movable block 4 and be located at accommodation groove 41 underface offer positioning groove 43, position
Groove 43 is set as four, and the side wall of positioning groove 43 is cambered surface.Offer mounting hole 211 in fixed plate 21, mounting hole 211 with
The projection of cuvette and light source 22 to be detected in the horizontal plane is conllinear, so that when detecting, cuvette face light source 22 has
Improve to effect the accuracy of detection.
As shown in Figure 3,4, the limit assembly for limiting 4 position of movable block, limit assembly packet are provided in fixed plate 21
Include the spacer pin 51 and be set in mounting hole 211 for driving the insertion positioning of spacer pin 51 that sliding is arranged in mounting hole 211
Groove 43 so that 4 position restriction of movable block elastic component, elastic component is pressure spring 52, the bottom of one end of pressure spring 52 and mounting hole 211
Wall is fixedly connected, the other end is fixedly connected with spacer pin 51, and one end that spacer pin 51 is inserted into positioning groove 43 is fixedly installed half
Sphere 511, the diameter of hemisphere 511 are greater than the depth of positioning groove 43.
During pull rod 42 pulls movable block 4, when the position face of spacer pin 51 and positioning groove 43, spacer pin
51 are inserted into positioning groove 43 under the action of the elastic member, to realize the purpose for limiting 4 position of movable block, avoid movable block 4
It moves easily；When needing to detect next cuvette, because the diameter of hemisphere 511 is greater than the depth of positioning groove 43, experiment
Personnel need to only increase the active force applied to pull rod 42, can pull movable block 4, easy to use.
As shown in Figure 3,4, it is parallel to pull rod 42 in fixed plate 21 and offers sliding slot 212, sliding slot 212 is arranged two, activity
The sliding block 44 that connection is fallen with the words of sliding slot 212 one is fixedly installed on block 4, sliding slot 212 is dovetail groove, and sliding block 44 is and dovetail groove phase
The dovetails of adaptation.During pull rod 42 pulls movable block 4 to slide, 212 sliding along the chute of sliding block 44 is played to movable block
The effect of 4 guiding, and keep the movement of movable block 4 more smooth；And dovetail groove and dovetails cooperate, playing, which prevents movable block 4 to be detached from, slides
The purpose of slot 212.
Specific work process: in use, stir fixture block 31, making fixture block 31 be detached from card slot 12, open flip lid 3, will equipped with to
Multiple cuvettes of detection sample are sequentially placed into accommodation groove 41, then cover flip lid 3, and experimenter passes through 42 pulling activity of pull rod
Block 4 is mobile, makes cuvette face light source 22 to be detected, when the position face of spacer pin 51 and positioning groove 43, spacer pin
51 are inserted into positioning groove 43 under the action of the elastic member, to realize the purpose for limiting 4 position of movable block, prevent because testing people
Member touches pull rod 42 and causes 4 position of movable block mobile, avoids the cuvette positional shift detected, improves the standard of detection
True property.
The above is only the exemplary embodiment of the utility model, the protection scope rather than limited the present invention,
The protection scope of the utility model is determined by the attached claims.
Claims (8)
1. a kind of spectrophotometer, including shell (1), the sensing chamber (2) being opened on shell (1) and it is set to sensing chamber (2)
On flip lid (3), characterized in that the bottom wall of the sensing chamber (2) is fixedly installed fixed plate (21), on the fixed plate (21)
Sliding is provided with movable block (4), and the movable block (4) offers multiple for placing the accommodating of cuvette along own slip direction
Slot (41), is provided with the limit assembly for limiting movable block (4) position on the fixed plate (21), on the movable block (4)
It is fixedly installed pull rod (42), the pull rod (42) is pierced by shell (1) outside far from the one end of movable block (4).
2. a kind of spectrophotometer according to claim 1, characterized in that the bottom wall of the movable block (4) and be located at hold
It sets and offers positioning groove (43) immediately below slot (41), the side wall of positioning groove (43) is cambered surface, on the fixed plate (21)
It offers mounting hole (211), the limit assembly includes the spacer pin (51) and be set to that sliding is arranged in mounting hole (211)
It is used to drive spacer pin (51) insertion positioning groove (43) elastic component so that movable block (4) position restriction in mounting hole (211),
One end of the spacer pin (51) insertion positioning groove (43) is fixedly installed hemisphere (511), the hemisphere (511) it is straight
Diameter is greater than the depth of positioning groove (43).
3. a kind of spectrophotometer according to claim 2, characterized in that the mounting hole (211) and ratio to be detected
The projection of color ware and light source (22) in the horizontal plane is conllinear, and the elastic component is pressure spring (52), one end of the pressure spring (52)
It is fixedly connected with the bottom wall of mounting hole (211), the other end is fixedly connected with spacer pin (51).
4. a kind of spectrophotometer according to claim 3, characterized in that be parallel to pull rod on the fixed plate (21)
(42) it offers sliding slot (212), the sliding block (44) for falling connection with sliding slot (212) words one is fixedly installed on the movable block (4).
5. a kind of spectrophotometer according to claim 4, characterized in that the sliding slot (212) is dovetail groove, the cunning
Block (44) is dovetails compatible with dovetail groove.
6. a kind of spectrophotometer according to claim 5, characterized in that the side wall in the accommodation groove (41) is provided with
Elastic sheet rubber (411).
7. a kind of spectrophotometer according to claim 6, characterized in that the elastic sheet rubber (411) is along accommodation groove
(41) depth direction gradually thickeies setting.
8. a kind of spectrophotometer according to claim 1, characterized in that be fixedly installed on the shell (1) hinged
Axis (11), the flip lid (3) are articulated on articulated shaft (11), are arranged on the articulated shaft (11) for driving flip lid (3) to be protected
The torsional spring (111) of opening state is held, is offered card slot (12) on the shell (1), the flip lid (3) is far from articulated shaft (11)
One end is fixedly installed for being inserted into card slot (12) so that flip lid (3) keeps the fixture block (31) of lid conjunction state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518359.8U CN208999300U (en) | 2018-09-17 | 2018-09-17 | A kind of spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518359.8U CN208999300U (en) | 2018-09-17 | 2018-09-17 | A kind of spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999300U true CN208999300U (en) | 2019-06-18 |
Family
ID=66800428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821518359.8U Active CN208999300U (en) | 2018-09-17 | 2018-09-17 | A kind of spectrophotometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514404A (en) * | 2021-07-12 | 2021-10-19 | 杭州同景科技有限公司 | Multi-channel water quality on-line analyzer |
-
2018
- 2018-09-17 CN CN201821518359.8U patent/CN208999300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514404A (en) * | 2021-07-12 | 2021-10-19 | 杭州同景科技有限公司 | Multi-channel water quality on-line analyzer |
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