CN113514411B - Spectrophotometer for chemical analysis experiment - Google Patents
Spectrophotometer for chemical analysis experiment Download PDFInfo
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- CN113514411B CN113514411B CN202111077495.4A CN202111077495A CN113514411B CN 113514411 B CN113514411 B CN 113514411B CN 202111077495 A CN202111077495 A CN 202111077495A CN 113514411 B CN113514411 B CN 113514411B
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- 239000000126 substance Substances 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 210000001503 joint Anatomy 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0202—Mechanical elements; Supports for optical elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
-
- 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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- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a spectrophotometer for chemical analysis experiments, which comprises a spectrophotometer body, wherein the spectrophotometer body is arranged in a box body, a placing groove is arranged in the box body, the upper end of the box body is connected with a top cover, a containing groove is formed in the top cover, adjustable lifting mechanisms are arranged on the side walls of two ends of the box body, two bottom holes are respectively formed in the two side walls of the box body, the lower ends of the bottom holes are connected with bottom grooves, supporting mechanisms with adjustable heights are arranged in the bottom holes, the supporting mechanisms are connected with adjusting components, and limiting mechanisms are arranged at the bottoms of the placing grooves. The spectrophotometer body is arranged in the box body, the adjustable lifting mechanism is arranged, and when the spectrophotometer body needs to be transported, the whole device can be lifted and carried by taking the lifting rod, so that the device is convenient to transport; the height-adjustable support mechanism and the height-adjustable adjusting assembly are arranged, so that the mounting height of each angle of the equipment is adjusted, the leveling is facilitated, and the device is suitable for uneven mounting places.
Description
Technical Field
The invention relates to a spectrophotometer for chemical analysis experiments.
Background
A spectrophotometer, also called a spectrometer (spectrometer), is a scientific instrument that decomposes light with complex components into spectral lines. The measurement range generally comprises a visible light region with a wavelength range of 380-780 nm and an ultraviolet light region with a wavelength range of 200-380 nm. Different light sources have their own emission spectra, so that different illuminants can be used as the light source for the instrument. The spectrophotometer adopts a light source which can generate a plurality of wavelengths, and the light source with specific wavelength is generated through a series of light splitting devices, after the light penetrates through a tested sample, partial light is absorbed, the light absorption value of the sample is calculated and converted into the concentration of the sample, and the light absorption value of the sample is in direct proportion to the concentration of the sample. At present, a spectrophotometer is widely applied to chemical and chemical experiments.
Sometimes, in order to conveniently test some samples, the spectrophotometer needs to be taken to a sampling site for on-site detection, but most of the spectrophotometers in the prior art are difficult to carry and are inconvenient to carry; and different with the laboratory in sample place, the photometer place can be uneven, and equipment use sways indefinite, can influence the use of equipment, consequently needs to improve.
Disclosure of Invention
The invention aims to provide a spectrophotometer for chemical analysis experiments aiming at the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spectrophotometer for chemical analysis experiment, including the spectrophotometer body, the spectrophotometer body dress is in the inside of box body, be equipped with the standing groove in the box body, the upper end of box body is connected with the top cap, seted up on the top cap and accomodate the groove, be equipped with adjustable on the both ends lateral wall of box body and carry and draw the mechanism, two bottom openings have respectively been seted up to the both sides inside wall of box body, the lower extreme of bottom opening is connected with the bottom groove, the inside of bottom opening is provided with height-adjustable's supporting mechanism, supporting mechanism is connected with adjusting part, the standing groove bottom is provided with stop gear.
Preferably, one end of the top cover is hinged to the upper end of the box body through a hinge, and the other end of the top cover is fixedly connected with the upper end of the box body through a hasp.
Preferably, the accommodating groove is of an I-shaped structure, and the middle position of the accommodating groove is provided with the object taking groove.
Preferably, the lifting mechanism comprises a first bearing, a cylinder is welded on the side wall of the end part of the box body, an inner ring of the first bearing is fixed on the cylinder, a connecting rod is connected on an outer ring of the first bearing, the end part of the connecting rod is connected with a lantern ring, a rotating rod is inserted in the lantern ring, and a clamping plate is fixedly arranged at one end of the rotating rod.
Preferably, the lifting mechanism further comprises a lifting rod, side rods are welded at two ends of the lifting rod, and butt-joint holes are formed in the side walls of the side rods.
Preferably, the supporting mechanism comprises a screw rod, a foot pad is connected to the bottom of the screw rod, a second bearing is installed inside the bottom groove and connected with a rotating ring, and a toothed ring is arranged on the side wall of the rotating ring.
Preferably, the bottom groove is connected with an inner cavity, a side cavity is formed above the inner cavity, a circular opening is formed in the side wall of the box body of the side cavity, and a pore channel is connected between the inner cavity and the side cavity.
Preferably, the adjusting part is including first gear, and first gear is located inside the inner chamber, and first gear and ring gear meshing connection, the spliced pole is installed to first gear top, the spliced pole rotates and installs inside the pore, the second gear is installed at the top of spliced pole, the internally mounted in side chamber has the third bearing, install the rotation post in the third bearing, the one end of rotating the post is connected with the third gear, third gear and second gear meshing connection, the other end of rotating the post is pegged graft and is served at circular opening and this one and seted up the draw-in groove.
Preferably, stop gear has first gasbag including the caulking groove that is located the tank bottom face, caulking groove internally mounted, and the top of first gasbag is connected with the compression leg, and the compression leg upper end is connected with the clamp plate, installs the spring between the lower surface of clamp plate and the tank bottom face of placing, and the bottom hole is connected with the slide, and the inside of slide is provided with the limiting plate, is provided with the second gasbag between the one end of limiting plate and the slide lateral wall, is connected with the gas-supply pipe between first gasbag and the second gasbag.
Preferably, a limiting groove is formed in the side wall of the screw rod, one end of the limiting plate is inserted into the limiting groove, and a ball is mounted on the side wall of the end of the limiting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the spectrophotometer body is arranged in the box body, the adjustable lifting mechanism is arranged, when the spectrophotometer body needs to be transported, only the lifting rod and the side rod need to be taken out of the accommodating groove, then the first bearing is rotated, the connecting rod faces upwards, one end of the rotating rod is fixed in the butt joint hole, the whole device can be lifted and carried by taking the lifting rod, and the device is convenient to transport;
2. the height-adjustable support mechanism and the height-adjustable adjusting assembly are arranged, the rotating rod is screwed out of the butt joint hole, the first bearing is rotated to enable the connecting rod to face downwards, then the end part of the rotating rod is inserted into the circular opening, the clamping plate is inserted into the clamping groove, then the rotating rod is rotated to drive the rotating column and the third gear to rotate, the third gear drives the second gear to rotate, the second gear drives the connecting column and the first gear to rotate, the first gear is meshed with the toothed ring to be connected, the rotating ring rotates along with the first gear, the screw rod can move up and down, the mounting height of each angle of the equipment is adjusted, leveling is facilitated, and the height-adjustable support mechanism is suitable for uneven mounting places;
3. be provided with stop gear, when the spectrophotometer body was put in the standing groove, the spectrophotometer body pushed the clamp plate downwards for the first gasbag of compression leg extrusion, and the inside air of first gasbag passes through the gas-supply pipe and inputs the second gasbag in, and the inflation of second gasbag promotes the limiting plate, makes the limiting plate peg graft at the spacing inslot, can carry on spacingly by the lead screw, prevents that the lead screw from following the swivel becket and rotating together, makes equipment operation more stable.
Drawings
FIG. 1 is a view showing the structure of the external appearance of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is an enlarged view at C of FIG. 2;
FIG. 6 is a top view of the connection between the screw and the limiting plate according to the present invention;
FIG. 7 is a schematic structural view of another embodiment of the present invention;
FIG. 8 is an enlarged view of FIG. 7 at D;
fig. 9 is a transmission structure view of the support mechanism of the present invention.
In the figure: the spectrophotometer comprises a spectrophotometer body 1, a box body 2, a placing groove 201, a top cover 202, a containing groove 3, a lifting rod 4, a side rod 5, a butt joint hole 501, a first bearing 6, a connecting rod 7, a lantern ring 8, a rotating rod 9, a clamping plate 901, a bottom hole 10, a bottom groove 11, a screw rod 12, a limiting groove 1201, a second bearing 13, a rotating ring 14, a toothed ring 1401, an inner cavity 15, a first gear 16, a connecting column 17, a side cavity 18, a second gear 19, a rotating column 20, a clamping groove 2001, a third bearing 21, a third gear 22, a first air bag 23, a pressing column 24, a pressing plate 25, a spring 26, a slideway 27, a limiting plate 28, a second air bag 29 and an air conveying pipe 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: a spectrophotometer for chemical analysis experiments comprises a spectrophotometer body 1, the spectrophotometer body 1 is arranged inside a box body 2, a placing groove 201 is arranged in the box body 2, the spectrophotometer body 1 is positioned inside the placing groove 201, the height of the spectrophotometer body 1 is larger than the depth of the placing groove 201, the upper end of the box body 2 is connected with a top cover 202, one end of the top cover 202 is hinged with the upper end of the box body 2 through a hinge, the other end of the top cover 202 is fixedly connected with the upper end of the box body 2 through a hasp, the top cover 202 is convenient to open, the bottom surface of the top cover 202 is provided with a groove, when the top cover 202 covers the box body 2, the spectrophotometer body 1 is clamped, the top cover 202 is provided with an accommodating groove 3, the accommodating groove 3 is of an I-shaped structure, a rubber cushion is arranged on the inner wall of the accommodating groove 3, the spectrophotometer body can be used for clamping a lifting rod 4 and a side rod 5 to prevent falling off, the middle position of the accommodating groove 3 is provided with an object taking groove, so that the lifting rod 4 and the side rod 5 can be conveniently pulled out by hands.
The adjustable lifting mechanism is arranged on the side walls of two ends of the box body 2 and comprises a first bearing 6, a cylinder is welded on the side wall of the end part of the box body 2, the inner ring of the first bearing 6 is fixed on the cylinder, a connecting rod 7 is connected on the outer ring of the first bearing 6, the end part of the connecting rod 7 is connected with a lantern ring 8, a rotating rod 9 is inserted in the lantern ring 8, one end of the rotating rod 9 is fixedly provided with a clamping plate 901, the other end of the rotating rod 9 is provided with a twisting disk for conveniently rotating the rotating rod 9, the lifting mechanism further comprises a lifting rod 4, side rods 5 are welded at two ends of the lifting rod 4, butt joint holes 501 are formed in the side walls of the side rods 5, threads are formed in the inner walls of the butt joint holes 501, threads are formed in the outer wall of one end of the rotating rod 9, and the end part of the rotating rod 9 can be fixed in the butt joint holes 501 in a threaded manner; when spectrophotometer body 1 is transported to needs, only need will carry pull rod 4 and side lever 5 and take out from accomodating in the groove 3, then rotate first bearing 6, with connecting rod 7 up to fix the one end of bull stick 9 in butt joint hole 501, can carry pull rod 4 through taking, mention the whole transport of carrying, the equipment of being convenient for with equipment.
Two bottom holes 10 have respectively been seted up to the both sides inside wall of box body 2, the lower extreme of bottom hole 10 is connected with kerve 11, the inside of bottom hole 10 is provided with height-adjustable's supporting mechanism, supporting mechanism is including lead screw 12, lead screw 12 bottom is connected with the callus on the sole, the internally mounted of kerve 11 has second bearing 13, second bearing 13 is connected with swivel becket 14, the outer lane of second bearing 13 is fixed on kerve 11 inner wall, the inner circle and the swivel becket 14 fixed connection of second bearing 13, swivel becket 14 cup joints at lead screw 12 outsidely, set up the screw thread on the inner wall of swivel becket 14 and be connected with lead screw 12 cooperation, be provided with ring 1401 on swivel becket 14's the lateral wall.
The bottom groove 11 is connected with an inner cavity 15, a side cavity 18 is arranged above the inner cavity 15, the side cavity 18 is provided with a circular opening on the side wall of the box body 2, a pore passage is connected between the inner cavity 15 and the side cavity 18, the supporting mechanism is connected with an adjusting component, the adjusting component comprises a first gear 16, the first gear 16 is positioned in the inner cavity 15, the first gear 16 is in meshed connection with a toothed ring 1401, a connecting column 17 is arranged above the first gear 16, the connecting column 17 is rotatably arranged in the pore passage, a second gear 19 is arranged at the top of the connecting column 17, a third bearing 21 is arranged in the side cavity 18, a rotating column 20 is arranged in the third bearing 21, the outer ring of the third bearing 21 is fixedly arranged on the inner top surface of the side cavity 18, the rotating column 20 is fixedly inserted and fixed in the inner ring of the third bearing 21, one end of the rotating column 20 is connected with a third gear 22, and the third gear 22 is in meshed connection with the second gear 19, the other end of the rotating column 20 is inserted into the round opening, and a clamping groove 2001 is arranged at the other end; when the device needs to be installed in a sampling site, a supporting mechanism and an adjusting component with adjustable height are arranged, the rotating rod 9 is screwed out from the butt joint hole 501, the lifting rod 4 and the side rod 5 are embedded into the accommodating groove 3, the first bearing 6 is rotated to enable the connecting rod 7 to face downwards, then the end part of the rotating rod 9 is inserted into the circular opening, the clamping plate 901 is inserted into the clamping groove 2001, then the rotating rod 9 is rotated to drive the rotating column 20 and the third gear 22 to rotate, the third gear 22 drives the second gear 19 to rotate, the second gear 19 drives the connecting column 17 and the first gear 16 to rotate, the first gear 16 is meshed with the toothed ring 1401, the rotating ring 14 rotates along with the rotating rod, the screw rod 12 can move up and down, the installation height of each angle of the device is adjusted, and the device is convenient to level and suitable for uneven installation sites.
The bottom of the placing groove 201 is provided with a limiting mechanism, the limiting mechanism comprises an embedded groove positioned on the bottom surface of the placing groove 201, a first air bag 23 is arranged in the embedded groove, the top of the first air bag 23 is connected with a compression post 24, the upper end of the compression post 24 is connected with a pressing plate 25, a spring 26 is arranged between the lower surface of the pressing plate 25 and the bottom surface of the placing groove 201, a slideway 27 is connected with the bottom hole 10, a limiting plate 28 is arranged in the slideway 27, a second air bag 29 is arranged between one end of the limiting plate 28 and the side wall of the slideway 27, an air pipe 30 is connected between the first air bag 23 and the second air bag 29, a limiting groove 1201 is arranged on the side wall of the screw rod 12, a buffer plate is arranged in the limiting groove 1201, a buffer spring is arranged between the buffer plate and the inner side wall of the limiting groove 1201, one end of the limiting plate 28 is inserted in the limiting groove 1201, a ball is arranged on the side wall of the end of the limiting plate 28, the spring 26 and the buffer spring have a certain expansion space, the buffer and shock absorption functions can be realized, and the equipment damage caused by bumping during carrying is avoided; when spectrophotometer body 1 was put in standing groove 201, spectrophotometer body 1 pushed down clamp plate 25, make the first gasbag 23 of compression leg 24 extrusion, the inside air of first gasbag 23 passes through the gas-supply pipe 30 and inputs in the second gasbag 29, the inflation of second gasbag 29 promotes limiting plate 28, limiting plate 28 slides and makes limiting plate 28 peg graft in spacing groove 1201 in slide 27, can carry out spacingly by lead screw 12, prevent that lead screw 12 from following swivel becket 14 and rotating together, stop gear both can make equipment operation more stable, also can provide the absorbing function of buffering.
The working principle is as follows: the spectrophotometer body 1 is arranged in the box body 2, an adjustable lifting mechanism is arranged, when the spectrophotometer body 1 needs to be transported, only the lifting rod 4 and the side rod 5 need to be taken out of the accommodating groove 3, then the first bearing 6 is rotated, the connecting rod 7 faces upwards, one end of the rotating rod 9 is fixed in the butt joint hole 501, the whole device can be lifted and carried by taking the lifting rod 4, and the device is convenient to transport; when the device needs to be installed in a sampling site, a supporting mechanism and an adjusting component with adjustable height are arranged, the rotating rod 9 is screwed out from the butt joint hole 501, the lifting rod 4 and the side rod 5 are embedded into the accommodating groove 3, the first bearing 6 is rotated to enable the connecting rod 7 to face downwards, then the end part of the rotating rod 9 is inserted into the circular open hole, the clamping plate 901 is inserted into the clamping groove 2001, then the rotating rod 9 is rotated to drive the rotating column 20 and the third gear 22 to rotate, the third gear 22 drives the second gear 19 to rotate, the second gear 19 drives the connecting column 17 and the first gear 16 to rotate, the first gear 16 is meshed with the toothed ring 1401, the rotating ring 14 rotates along with the rotating rod, the screw rod 12 can move up and down, the installation height of each angle of the device is adjusted, leveling is facilitated, and the device is suitable for uneven installation sites; be provided with stop gear, when spectrophotometer body 1 was put in standing groove 201, spectrophotometer body 1 pushed down clamp plate 25 for the first gasbag 23 of compression leg 24 extrusion, the inside air of first gasbag 23 passes through in gas-supply pipe 30 inputs second gasbag 29, the inflation of second gasbag 29 promotes limiting plate 28, make limiting plate 28 peg graft in spacing groove 1201, can carry out spacingly by lead screw 12, prevent that lead screw 12 from following swivel becket 14 and rotating together, make equipment operation more stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A spectrophotometer for chemical analysis experiment, including spectrophotometer body (1), spectrophotometer body (1) dress is in the inside of box body (2), be equipped with standing groove (201) in box body (2), its characterized in that: the lifting mechanism comprises a lifting rod (4), side rods (5) are welded at two ends of the lifting rod (4), and butt joint holes (501) are formed in the side walls of the side rods (5);
two bottom holes (10) are respectively formed in two side walls of the box body (2), the lower end of each bottom hole (10) is connected with a bottom groove (11), a height-adjustable supporting mechanism is arranged in each bottom hole (10), each supporting mechanism comprises a screw rod (12), the bottom of each screw rod (12) is connected with a foot pad, a second bearing (13) is arranged in each bottom groove (11), each second bearing (13) is connected with a rotating ring (14), and a toothed ring (1401) is arranged on each side wall of each rotating ring (14);
the supporting mechanism is connected with an adjusting component, the bottom groove (11) is connected with an inner cavity (15), a side cavity (18) is formed above the inner cavity (15), the side cavity (18) is formed in the side wall of the box body (2) and provided with a circular hole, a hole channel is connected between the inner cavity (15) and the side cavity (18), the adjusting component comprises a first gear (16), the first gear (16) is located inside the inner cavity (15), the first gear (16) is meshed with the toothed ring (1401) and connected with the toothed ring, a connecting column (17) is installed above the first gear (16), the connecting column (17) is rotatably installed inside the hole channel, a second gear (19) is installed at the top of the connecting column (17), a third bearing (21) is installed inside the side cavity (18), a rotating column (20) is installed inside the third bearing (21), one end of the rotating column (20) is connected with a third gear (22), and the third gear (22) is meshed with the second gear (19), the other end of the rotating column (20) is inserted into the round open hole, and a clamping groove (2001) is arranged at the other end; and a limiting mechanism is arranged at the bottom of the placing groove (201).
2. A spectrophotometer for chemical analysis experiments according to claim 1, wherein: one end of the top cover (202) is hinged with the upper end of the box body (2) through a hinge, and the other end of the top cover (202) is fixedly connected with the upper end of the box body (2) through a hasp.
3. A spectrophotometer for chemical analysis experiments according to claim 1, wherein: the accommodating groove (3) is of an I-shaped structure, and the middle position of the accommodating groove (3) is provided with a fetching groove.
4. A spectrophotometer for chemical analysis experiments according to claim 1, wherein: stop gear is including the caulking groove that is located standing groove (201) bottom surface, caulking groove internally mounted has first gasbag (23), the top of first gasbag (23) is connected with compression leg (24), compression leg (24) upper end is connected with clamp plate (25), install spring (26) between the lower surface of clamp plate (25) and standing groove (201) bottom surface, bottom outlet (10) are connected with slide (27), the inside of slide (27) is provided with limiting plate (28), be provided with second gasbag (29) between the one end of limiting plate (28) and slide (27) lateral wall, be connected with gas-supply pipe (30) between first gasbag (23) and second gasbag (29).
5. A spectrophotometer for chemical analysis experiments according to claim 1, wherein: the side wall of the screw rod (12) is provided with a limiting groove (1201), one end of the limiting plate (28) is inserted into the limiting groove (1201), and the side wall of the end of the limiting plate (28) is provided with a ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111077495.4A CN113514411B (en) | 2021-09-15 | 2021-09-15 | Spectrophotometer for chemical analysis experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111077495.4A CN113514411B (en) | 2021-09-15 | 2021-09-15 | Spectrophotometer for chemical analysis experiment |
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| Publication Number | Publication Date |
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| CN113514411A CN113514411A (en) | 2021-10-19 |
| CN113514411B true CN113514411B (en) | 2021-12-07 |
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| CN106771036A (en) * | 2016-12-30 | 2017-05-31 | 广州市婵昕生物科技有限责任公司 | A kind of water pollution detects portable tool box |
| CN109895050A (en) * | 2017-12-08 | 2019-06-18 | 西安谷德电子科技有限公司 | A kind of Automated library system tool box |
| CN107884352A (en) * | 2017-12-14 | 2018-04-06 | 淮安市君睿创智工业设计有限公司 | A kind of portable spectrophotometer |
| CN208179480U (en) * | 2018-03-21 | 2018-12-04 | 宁波惠捷塑业有限公司 | A kind of portable tool box |
| CN108548790A (en) * | 2018-06-28 | 2018-09-18 | 无锡市翱宇特新科技发展有限公司 | A kind of portable Water quality detected device |
| EP3814064B1 (en) * | 2018-09-14 | 2022-06-01 | TANOS GmbH Verpacken Ordnen Präsentieren | Storage device |
| CN210427523U (en) * | 2019-07-26 | 2020-04-28 | 广东中检检测技术有限公司 | Novel light splitting printing type eight-in-one detector |
| CN211491457U (en) * | 2020-01-15 | 2020-09-15 | 焦显杨 | Tool equipment bag for geological disasters |
| CN111397731A (en) * | 2020-03-20 | 2020-07-10 | 安徽实朴检测技术服务有限公司 | Portable ultraviolet-visible spectrophotometer |
| CN112071002A (en) * | 2020-09-14 | 2020-12-11 | 刘晓娜 | A burglar alarm for town road guardrail |
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