CN111948162B - Spectrophotometer colorimetric stand - Google Patents
Spectrophotometer colorimetric stand Download PDFInfo
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- CN111948162B CN111948162B CN202010956316.3A CN202010956316A CN111948162B CN 111948162 B CN111948162 B CN 111948162B CN 202010956316 A CN202010956316 A CN 202010956316A CN 111948162 B CN111948162 B CN 111948162B
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Abstract
The utility model provides a spectrophotometer cell frame, including the chassis, and set up on the chassis and with the chassis box of closing as an organic whole, the chassis is equipped with the fixed orifices and passes through the bolt fastening in the fixed orifices on the detection light path of spectrophotometer sample cell, the box of utensils is the rectangle no lid box that bottom plate, curb plate and end plate enclose to close the formation, be used for placing the various optical path, multiple shape, the different cell of multiple size specification, be equipped with the light path hole on the end plate, be used for detecting the passage of light beam, be equipped with on the curb plate of the inside one side of box of utensils and close as an organic whole shell fragment with the curb plate, be used for exerting the tensioning force to the cell in the box of utensils, guarantee the stability of cell, the middle part of bottom plate is equipped with the shell fragment that test tube hole and test tube hole also be equipped with on the pore wall and closes as an organic whole with the bottom plate, be used for the fixed of cell. The invention is an integrated structural member, is compatible with various colorimetric vessels, so that one spectrophotometer can use various colorimetric vessels for detection, the application range is enlarged, and different detection requirements are met.
Description
Technical Field
The invention relates to a spectrophotometer detection kit, in particular to a spectrophotometer colorimetric stand, and belongs to the technical field of optical detection equipment production and manufacturing.
Background
The selective absorption of a substance for light waves of different wavelengths, and the corresponding absorption coefficient for light waves of that wavelength, are the physical constants of the substance.
Therefore, when the absorption coefficient of a pure substance under a certain condition is known, a test substance containing the substance can be prepared into a solution under the same condition, and the content of the substance in the test substance can be calculated by measuring the absorption degree of the solution to light waves with specific wavelengths.
The spectrophotometer designed and manufactured according to the principle is characterized in that polychromatic light emitted by a point light source is decomposed into light sources with specific wavelengths through a series of light splitting devices, a light beam with a specific wavelength is selected to penetrate through a test sample solution, part of the light beam is absorbed, and then the absorption value of the sample is measured and calculated, so that the polychromatic light is converted into the concentration of the sample, and the content of detected substances in the sample is obtained.
The spectrophotometer in the prior art mainly comprises a light source, a monochromator, a sample chamber, a detector, a signal processor and a display and storage system.
Important accessories used with spectrophotometers are colorimetric ware, including cuvettes, cuvettes or cuvettes, etc., the colorimetric ware containing the solution to be measured needs to be placed on a colorimetric rack in a sample chamber of the spectrophotometer to detect, and generally, the distance of a light beam passing through the colorimetric ware is called an optical path.
According to different detection requirements, the colorimetric ware is made of materials such as quartz, glass and plastics.
Also, because of the need for detection, cuvettes have different shapes and sizes, including cuvettes having square or rectangular cross-sections, cuvettes having circular cross-sections, and the like.
In the prior art, the colorimetric stand usually corresponds to a colorimetric vessel with one specification, is professional but not flexible and convenient enough, and can not meet the requirements and can not smoothly finish the detection task when various optical path samples are required to be detected by one spectrophotometer or various colorimetric vessels with different shapes and sizes are required to be detected by spectrophotometry.
In addition, the color comparison frame in the prior art is formed by combining and assembling a plurality of parts, and the links of production, installation, debugging and the like are time-consuming and labor-consuming, so that the color comparison frame is extremely uneconomical.
Disclosure of Invention
In order to overcome the defects of the related art, the invention provides a spectrophotometer colorimetric stand, which aims at:
The spectrophotometer is compatible with various optical paths, various shapes and various sizes of colorimetric vessels, meets the detection requirement, simplifies the production, installation and debugging methods, improves the working efficiency and reduces the maintenance cost.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A spectrophotometer cuvette frame for holding a cuvette or cuvette containing a sample solution to be detected in a sample chamber of a spectrophotometer for spectrophotometric detection, comprising:
An integrated chassis and a vessel box which is arranged on the chassis and is integrated with the chassis;
the underframe is provided with a fixing hole, and the underframe is fixed on a detection light path of the spectrophotometer sample chamber through bolts inserted into the fixing hole;
the household utensils box comprises a rectangular bottom plate, rectangular side plates and rectangular end plates, wherein the side plates are arranged on two sides of the bottom plate, the end plates are arranged on two ends of the bottom plate and are connected with the side plates, and the side plates and the end plates are enclosed on the periphery of the bottom plate to form a rectangular non-cover box;
The end plate is provided with an optical path hole;
A spring sheet integrated with the side plate is arranged on the side plate at one side in the vessel box;
The middle part of bottom plate is equipped with test tube hole just also be equipped with on the pore wall of test tube hole with the bottom plate closes the shell fragment as an organic whole.
Further:
The internal length of the vessel box is 10cm;
the light path hole is a rectangular through hole;
The test tube hole is a through hole formed by sleeving a round hole and a square hole, and the aperture of the round hole of the test tube hole is matched with the outer diameter of a standard test tube in the prior art.
Further:
the spectrophotometer color comparison frame also comprises a positioning card mark;
The positioning card mark is arranged on the side plate at the outer side of the vessel box, and is arranged according to the optical path calculated after the detection light beam of the spectrophotometer enters from the optical path hole at one end of the vessel box.
Further:
The positioning clamp marks are arranged at intervals of 5cm optical paths, and specific numerical values of the optical paths are marked on the side plates outside the vessel box by adopting a method of integrating the positioning clamp marks with the side plates.
Further:
the spectrophotometer color comparison frame also comprises a positioning baffle bridge;
The positioning blocking bridge is in a door shape, the positioning blocking bridge comprises a blocking strip and clamping columns connected to two ends of the blocking strip, a clamping mechanism matched with each other is arranged between the clamping columns and the positioning clamping marks, and the positioning blocking bridge straddles between the two side plates and is clamped on the positioning clamping marks through the clamping mechanism;
the clamping mechanism between the clamping column and the clamping mark is a clamping groove and a clamping strip which are matched with each other.
Further:
The barrier strip comprises a back and barrier surfaces on two sides of the back, wherein reinforcing ribs penetrating through the back are arranged on the back, and anti-friction edge strips are arranged on the barrier surfaces.
Further:
the elastic piece is an arc-shaped component with one end capable of being tilted.
Further:
The bottom frame comprises a rectangular base plate and trapezoid rib plates, at least two rib plates are arranged on the base plate, rectangular grooves are formed in the upper parts of the rib plates, the vessel box is arranged in the rectangular grooves, and the left parts of the upper parts of the rib plates after the rectangular grooves are removed form reinforcing rib plates which are attached to side plates of the vessel box and are used for improving the strength of the side plates;
The fixing holes are arranged at two ends of the substrate, the fixing holes are kidney-shaped holes, and the longitudinal axes of the kidney-shaped holes are consistent with the longitudinal axis of the substrate.
Further:
the spectrophotometer color comparison frame also comprises a color comparison seat;
The colorimetric seat is a square sleeve with a bottom formed by encircling the panel, is inserted into the test tube hole and is clamped by external tension exerted by an elastic sheet on the wall of the test tube hole, and is used for placing and detecting a cuvette with the size of 1cm and containing a sample solution to be detected;
The two opposite panels forming the colorimetric seat are provided with light path windows, a horizontal spring plate is arranged in the colorimetric seat in the horizontal direction, a vertical spring plate is arranged in the colorimetric seat in the vertical direction, the horizontal spring plate and the vertical spring plate are respectively integrally formed with the panels where the horizontal spring plate and the vertical spring plate are positioned, the horizontal spring plate and the vertical spring plate are used for generating inner tension force between the colorimetric seat and the 1cm cuvette, and the inner tension force is smaller than the outer tension force;
The upper part of the side plate corresponding to the plugging position of the colorimetric seat is also provided with a crescent groove for plugging the colorimetric seat.
Further:
The spectrophotometer color comparison frame is manufactured by adopting a plastic injection molding method, and a demoulding through hole is arranged below each elastic piece.
Compared with the prior art, the embodiment of the invention has the beneficial effects and remarkable progress that:
1) The invention provides a spectrophotometer colorimetric stand, which comprises an integrated underframe and a container box which is arranged on the underframe and is integrated with the underframe, wherein a fixing hole is formed in the underframe, the underframe is fixed on a detection light path of a spectrophotometer sample chamber through bolts inserted in the fixing hole, the container box comprises a bottom plate, a side plate and an end plate, the side plate and the end plate are enclosed on the periphery of the bottom plate to form a rectangular non-cover box for placing various optical paths, various shapes and various sizes of cuvettes, the end plate is provided with an optical path hole for detecting the passing of light beams, a side plate at one side of the interior of the container box is provided with an elastic sheet integrated with the side plate for exerting tensioning force on the cuvettes placed in the container box, the middle part of the bottom plate is also provided with a test tube hole, and the hole wall of the test tube hole is also provided with an elastic sheet integrated with the bottom plate for placing and fixing of the cuvette;
2) The spectrophotometer colorimetric stand provided by the invention can be compatible with the arrangement of various optical paths, various shapes and various sizes of colorimetric utensils such as square and rectangular colorimetric utensils and circular colorimetric tubes, so that one spectrophotometer can use various colorimetric utensils for detection, the application range is enlarged, a plurality of single colorimetric stands with different specifications and sizes are omitted, and different detection requirements can be met;
3) The spectrophotometer colorimetric stand provided by the invention adopts an integrated structural design, so that the production can be simplified, the installation is convenient, the labor and material cost can be saved, the colorimetric stand can be directly and integrally disassembled and installed, the debugging can be avoided, and when in use, the spectrophotometer stand can be normally operated without additional training, thereby improving the working efficiency and reducing the maintenance cost;
4) The spectrophotometer colorimetric stand provided by the invention has the advantages of novel and unique design, convenience in installation and use, high stability, time and labor saving and wide application range, and therefore, the spectrophotometer colorimetric stand has great popularization and application values.
Drawings
In order to more clearly illustrate the technical solution of the present invention, a brief description will be given below of the drawings that are required to be used for the embodiments of the present invention.
It is obvious that the drawings in the following description are only drawings of some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art, but these other drawings also fall within the drawings required for the embodiments of the present invention.
FIG. 1 is a schematic perspective view of a spectrophotometer cell frame provided by the invention;
fig. 2 is a schematic top view of a spectrophotometer color holder according to the present invention;
FIG. 3 is a schematic perspective view of a cuvette holder in a spectrophotometer holder according to the present invention;
Fig. 4 is a schematic top view of a spectrophotometer frame according to the present invention.
In the figure:
10-underframe, 11-base plate, 111-fixed hole, 12-trapezoid rib plate;
20-vessel box, 21-bottom plate, 211-test tube hole, 22-side plate, 221-positioning clamp mark, 222-crescent groove, 23-end plate and 231-light path hole;
30-shrapnel;
40-positioning retaining bridges, 41-retaining strips, 411-reinforcing ribs, 412-anti-friction edge strips and 42-clamping columns;
50-colorimetric seat, 51-light path window, 52-horizontal shrapnel and 53-vertical shrapnel.
Detailed Description
In order to make the objects, technical solutions, advantageous effects and significant improvements of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings provided by the embodiments of the present invention, and it is apparent that all of the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention;
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that:
The terms first, second, and the like in the description and in the claims of the invention and in the drawings of embodiments of the invention, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.
Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may, optionally, include other steps or elements not listed or inherent to such process, method, article, or apparatus.
It is to be understood that:
In the description of the embodiments of the present invention, some directional orientation or positional terms are used merely for convenience of describing the embodiments of the present invention and to simplify the description, rather than to indicate or imply that the apparatus or elements described must have a particular orientation, a particular orientation configuration, and operation, and thus should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, movably connected, or integrally formed; either directly, indirectly through intermediaries, or in communication with each other or in interaction with each other, unless otherwise specifically defined, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art.
Also to be described is:
The following specific embodiments may be combined with each other and may not be described in detail in some embodiments for the same or similar concepts or processes therein.
The following describes the technical scheme of the present invention in detail by using specific examples.
Examples
The embodiment provides a cuvette frame for fixedly placing a cuvette or a cuvette containing a sample solution to be detected in a sample chamber of a spectrophotometer for spectrophotometry.
The perspective structure schematic diagram of a spectrophotometer color holder provided by the invention in fig. 1 and the top view structure schematic diagram of a spectrophotometer color holder provided by the invention in fig. 2 are shown as follows:
A spectrophotometer cell frame comprising:
an integrated chassis 10, and a capsule 20 provided on the chassis 10 and integrated with the chassis;
the chassis 10 is provided with a fixing hole 111, and the chassis 10 is fixed on a detection light path of a spectrophotometer sample chamber (not shown) by bolts (not shown) inserted in the fixing hole;
the vessel box 20 comprises a rectangular bottom plate 21, rectangular side plates 22 and rectangular end plates 23, wherein the side plates 22 are arranged on two sides of the bottom plate 21, the end plates 23 are arranged on two ends of the bottom plate 21 and are connected with the side plates 22, and the side plates 22 and the end plates 23 are enclosed around the bottom plate 21 to form a rectangular cover-free box;
The end plate 23 is provided with an optical path hole 231;
a spring piece 30 integrated with the side plate 22 is arranged on the side plate 22 at one side of the inner part of the vessel box 20;
the middle part of the bottom plate 21 is provided with a test tube hole 211, and the hole wall of the test tube hole 211 is also provided with a spring piece 30 which is integrated with the bottom plate 21.
From the above description, it can be seen that:
The embodiment provides a spectrophotometer colorimetric stand, including an integral chassis, and a container box arranged on the chassis and integrated with the chassis, wherein a fixing hole is arranged on the chassis, the chassis is fixed on a detection light path of a spectrophotometer sample chamber through bolts inserted in the fixing hole, the container box comprises a bottom plate, a side plate and an end plate, the side plate and the end plate are enclosed on the periphery of the bottom plate to form a rectangular non-cover box for placing various optical paths, various shapes and various sizes of cuvettes, the end plate is provided with an optical path hole for detecting the light beam passing, a side plate on one side of the interior of the container box is provided with an elastic sheet integrated with the side plate for exerting a tensioning force on the cuvettes placed in the container box, the middle part of the bottom plate is also provided with a test tube hole, and the hole wall of the test tube hole is also provided with an elastic sheet integrated with the bottom plate for placing and fixing the cuvette;
The spectrophotometer color comparison frame provided by the embodiment can be compatible with the arrangement of various optical paths, various shapes and various sizes of color comparison vessels such as square and rectangular color comparison vessels and round color comparison vessels, so that one spectrophotometer can use various color comparison vessels for detection, the application range is enlarged, a plurality of single color comparison frames with different specifications and sizes are omitted, and different detection requirements can be met;
In addition, because the spectrophotometer color comparison frame provided by the embodiment adopts an integrated structural design, the production can be simplified, the installation is convenient, the labor and material cost can be saved, the color comparison frame can be directly and integrally disassembled and installed, the debugging can be avoided, and when the spectrophotometer color comparison frame is used, normal operation and use can be carried out without additional training, so that the working efficiency is improved, and the maintenance cost is reduced.
As an alternative solution, in this embodiment:
the inner length of the capsule 20 may be 10cm, the light path hole 231 is a rectangular through hole, the test tube hole 211 is a through hole formed by sleeving a circular hole and a square hole, and the aperture of the circular hole of the test tube hole 211 is adapted to the outer diameter of a standard test tube (not shown in the figure) in the prior art.
It can also be seen from fig. 1 and 2 that:
the spectrophotometer cell holder provided in this embodiment further includes a positioning card 221;
The positioning index 221 is disposed on the side plate 22 outside the capsule 20, and the positioning index 221 is disposed according to the optical path length calculated after the detection beam of the spectrophotometer (not shown) enters from the optical path hole 231 at one end of the capsule 20.
As an alternative solution, in this embodiment, the positioning marks 221 are disposed at intervals of 5cm of optical path, and specific values of the optical paths are marked on the side plate 22 outside the capsule 20 by a method of integrating the side plate 22.
As a further optimization of this embodiment, as shown in fig. 1 and 2:
the spectrophotometer color comparison frame provided by the embodiment also comprises a positioning baffle bridge 40;
The positioning blocking bridge 40 is in a door shape, the positioning blocking bridge 40 comprises a blocking strip 41 and clamping columns 42 connected to two ends of the blocking strip 41, a clamping mechanism matched with each other is arranged between the clamping columns 42 and the positioning clamping marks 221, and the positioning blocking bridge 40 straddles between the two side plates 22 and is clamped on the positioning clamping marks 221 through the clamping mechanism;
The clamping mechanism between the clamping column 42 and the clamping mark 221 is a clamping groove and a clamping strip which are matched with each other.
As can be further seen from fig. 1:
The barrier rib 40 comprises a ridge and barrier surfaces on two sides of the ridge, wherein the ridge is provided with a reinforcing rib 411 penetrating through the ridge, and the barrier surfaces are provided with anti-rubbing edge strips 412.
From fig. 1 and 2, it can be further seen that:
in the spectrophotometer color comparison frame provided in this embodiment, the elastic sheet 30 is an arc-shaped member with one end capable of being tilted.
Furthermore, as an alternative, it can be seen from fig. 1 and 2 that:
The underframe 10 in the embodiment comprises a rectangular base plate 11 and trapezoid rib plates 12, at least two rib plates 12 are arranged on the base plate 11, rectangular grooves are formed in the upper parts of the rib plates 12, the vessel box 20 is arranged in the rectangular grooves, and the left parts of the upper parts of the rib plates except the rectangular grooves form reinforcing rib plates which are attached to side plates of the vessel box so as to improve the strength of the side plates;
The fixing holes 111 are provided at both ends of the base plate 11, and the fixing holes 111 are kidney-shaped holes whose longitudinal axes coincide with the longitudinal axis of the base plate 11.
As an extension, the spectrophotometer cell provided in this embodiment further includes a cell.
As shown in a schematic perspective structure of a cuvette holder in a spectrophotometer cuvette frame provided in fig. 3, and a schematic top view structure of a cuvette holder in a spectrophotometer cuvette frame provided in fig. 4, the schematic top view structure of the cuvette holder is shown in the following:
The colorimetric seat 50 is a square sleeve with a bottom formed by encircling the panel, the colorimetric seat 50 is inserted into the test tube hole 211 and is clamped by external tension exerted by a spring piece on the wall of the test tube hole 211, and the colorimetric seat 50 is used for placing and detecting a cuvette (not shown in the figure) with 1cm of sample solution to be detected;
the two opposite sides of the colorimetric seat 50 are provided with light path windows 51, a horizontal elastic sheet 52 is arranged in the horizontal direction inside the colorimetric seat 50, a vertical elastic sheet 53 is arranged in the vertical direction inside the colorimetric seat 50, and the horizontal elastic sheet 52 and the vertical elastic sheet 53 are used for generating inner tensioning force between the colorimetric seat 50 and a 1cm cuvette (not shown in the figure), wherein the inner tensioning force is smaller than the outer tensioning force;
The two opposite panels forming the color comparison seat 50 are provided with light path windows 51, a horizontal spring piece 52 is arranged in the horizontal direction in the color comparison seat 50, a vertical spring piece 53 is arranged in the vertical direction in the color comparison seat 50, the horizontal spring piece 52 and the vertical spring piece 53 are respectively integrally formed with the panels where the horizontal spring piece 52 and the vertical spring piece 53 are positioned, the horizontal spring piece 52 and the vertical spring piece 53 are used for generating inner tension between the color comparison seat 50 and a 1cm cuvette (not shown in the figure), and the inner tension is smaller than the outer tension;
the upper part of the side plate 22 corresponding to the plugging position of the color comparison seat 50 is also provided with a crescent groove 222 for plugging the color comparison seat 50.
What needs to be specifically stated is:
The spectrophotometer color comparison frame provided in the above embodiment can be manufactured by plastic injection molding, and a demoulding through hole (not shown) is arranged below each elastic sheet 30, so as to facilitate injection molding production.
Meanwhile, the spectrophotometer color comparison frame provided by the embodiment is manufactured by adopting a plastic injection molding method, so that a metal spring plate is not required, acid and alkali resistance can be realized in the use process, rust is avoided, and the later maintenance work is greatly reduced.
In order to further assist in understanding the technical solution of the present invention, a specific embodiment is provided below to more specifically describe the present invention.
A spectrophotometer cell frame:
The spectrophotometer color comparison frame is formed by plastic through one-step injection molding, and is compatible with various color comparison boxes or color comparison tubes for spectrophotometry detection;
The spectrophotometer colorimetric stand comprises a bottom frame and a vessel box arranged on the bottom frame, wherein the bottom frame and the vessel box are integrated into a whole, reinforcing ribs are arranged on the bottom frame to ensure the whole strength and rigidity of the colorimetric stand, rectangular through holes are arranged at two ends of the vessel box to form a main axis of a detection light path, reinforcing ribs formed by trapezoid rib plates are arranged at two sides of the vessel box, and deformation and size change of the vessel box and the whole colorimetric stand due to plastic injection molding characteristics can be prevented in the forming process;
the container box is a space for placing square or rectangular cuvettes, and cuvettes with the length of 10cm can be directly inserted into the container box for testing in the use process;
The spectrophotometer color comparison frame provided by the embodiment is directly molded with the elastic sheet, the elastic sheet is arranged on one side of the inside of the container box, and the tension force can be applied to the inserted color comparison frame, so that the trouble of additionally processing and installing the metal elastic sheet can be omitted, the product structure and the process are simplified, meanwhile, the elastic sheet and the color comparison frame are integrated into a whole, the additional processing and installation of the elastic sheet are not needed, the manpower, material resources and the product cost can be greatly saved, and compared with the metal elastic sheet commonly used in the prior art, the spectrophotometer color comparison frame has the advantage of not rusting, thereby prolonging the service life of the product, and greatly reducing the maintenance workload in the later period;
The elastic sheet of the spectrophotometer colorimetric stand provided by the embodiment is a special arc-shaped structural member, so that the colorimetric stand can be conveniently pulled out and plugged into the colorimetric stand, and the colorimetric stand can be ensured to be pressed and accurately positioned;
in the spectrophotometer color comparison frame provided by the embodiment, the through hole is reserved below the elastic sheet, so that the color comparison frame can be conveniently and smoothly demoulded after being molded, and the manufacturing requirement of combining the elastic sheet and the color comparison frame into a whole is met;
in the spectrophotometer colorimetric stand provided by the embodiment, a waist-shaped hole is reserved on the base plate of the underframe, the waist-shaped hole is used for fixing the spectrophotometer colorimetric stand provided by the embodiment in a sample chamber of a spectrophotometer, and meanwhile, the position of the colorimetric stand can be finely adjusted to ensure the consistency of the optical paths of the spectrophotometer;
When the circular colorimetric tube is required to be used as a test container, a standard test tube can be selected to be inserted into a test tube hole in the container box, the test tube hole is adapted to the outer diameter of the standard test tube in the prior art, meanwhile, one side of the test tube hole is also formed with a spring piece with the same structure as other spring pieces in the container box, the spring piece can conveniently plug the test tube, can also ensure to compact the test tube and accurately position, and a through hole is reserved below the spring piece to facilitate smooth demoulding after the colorimetric frame is formed;
In addition, in the spectrophotometer cell frame provided by the embodiment, the outer side of the vessel box is provided with a positioning card mark, the positioning card mark can be used for positioning when switching cells with different optical paths, each positioning card mark corresponds to a corresponding digital serial number, in the embodiment, the digital serial number can be directly molded to distinguish the optical paths of different cells, when the cells with the optical distance of less than 5cm are used, the digital serial number represents the optical path of the cell, and when the optical path is greater than 5cm, the cells are directly inserted into the cell frame;
In the practical use process of the spectrophotometer colorimetric stand provided by the embodiment, when the colorimetric ware with different optical paths is needed to be used as a sample container, the positioning baffle bridge can be matched for use, in the embodiment, the positioning baffle bridge is also formed by plastic integral injection molding, the middle of the positioning baffle bridge is provided with a reinforcing rib to ensure the strength and stability of the positioning baffle bridge, meanwhile, the two baffle surfaces of the positioning baffle bridge are also provided with anti-friction side strips, so that the colorimetric ware is prevented from being scratched or polluted on the surface of the colorimetric ware due to frequent pulling and inserting, and meanwhile, the colorimetric ware is prevented from being scratched or polluted due to the reverse inserting of the colorimetric ware, so that a user does not need to distinguish the direction of the positioning baffle bridge in the use process, and blind insertion can be realized;
In the embodiment, the positioning retaining bridge is in a door-shaped structure, a clamping mechanism formed by mutually matching a clamping groove and a clamping strip is arranged between the clamping columns at two sides of the positioning retaining bridge and the clamping marks, and the positioning retaining bridge can be positioned only by simply inserting the positioning retaining bridge into the positioning clamping marks at the outer side of the vessel box in the use and test process;
the positioning baffle bridge and the container box are matched for use in the use process, when the cuvette with the thickness of less than 10cm is used, the clamping columns of the positioning baffle bridge are aligned with the positioning clamp marks, the positioning clamp marks are symmetrically arranged on the outer side of the container box, the positioning clamp marks are convenient for right-handed and left-handed operators to select for use, a tester only needs to insert the positioning baffle bridge from the positioning clamp marks, and the upper edge of the container box and the edge of the positioning baffle bridge are mutually attached, so that the cuvette in the container box can be guaranteed to meet the placing requirement of the test.
If the user needs to use the cuvette of 1cm for detection, a special cuvette can be used, and in the embodiment, the cuvette is also of an integrated structure and is manufactured by plastic injection molding;
The colorimetric seat in the embodiment is a square sleeve with a bottom, two opposite sides in the square sleeve are provided with light path windows, a horizontal spring plate is arranged in the horizontal direction in the square sleeve, a vertical spring plate is arranged in the vertical direction of the square sleeve, the horizontal spring plate and the vertical spring plate are used for generating internal tension between the colorimetric seat and the cuvette of 1cm, and the internal tension is smaller than the external tension;
In the embodiment, the vertical elastic sheet and the horizontal elastic sheet have all the advantages same as those of the elastic sheet in the container box, and in actual use, a user only needs to insert the colorimetric seat into a test tube hole formed by sleeving a circular hole and a square hole and tightly press the colorimetric seat, and in the inserting process, the edge of the upper part of the colorimetric seat and the edge of the upper part of the container box are aligned to ensure the correct position of the colorimetric seat, and after the colorimetric seat is inserted into the container box, the 1cm colorimetric seat can be normally used for testing samples;
In consideration of convenience in the use process of a user, in the design process of the embodiment, the external tension between the cuvette holder and the test tube hole is required to be ensured to be larger than the internal tension between the cuvette holder and the cuvette with the diameter of 1cm, so that the cuvette holder can not be pulled out together when the cuvette with the diameter of 1cm is plugged in and pulled out by the user in the use process, and the use convenience of the user is enhanced;
In addition, in order to facilitate the user to plug the cuvette and the cuvette holder in the use process, a crescent groove for plugging the cuvette holder is further formed on the two side plates in the middle of the cuvette box and corresponds to the upper part of the plugging position of the cuvette holder, and obviously, the design of the crescent groove is very humanized.
From the above description, it can be seen that:
Firstly, all components of the spectrophotometer color comparison frame provided by the embodiment adopt integrated design, and plastic injection molding is adopted, so that the integrated color comparison frame can be directly and integrally disassembled and installed, maintenance and debugging are not needed, the assembly process is very simple, the integrated color comparison frame can be normally operated and used without additional training, acid and alkali resistance is realized in the use process, rust is avoided, the later maintenance workload is greatly reduced, the color comparison frames with optical paths of 1-10 cm and color comparison frames with different specifications can be compatible, the application range is wide, the color comparison frames with multiple purposes can be combined according to actual needs, and the types and the number of color comparison frames required to be purchased by users are simplified;
In the embodiment, each spring plate, the vertical spring plate and the horizontal spring plate are integrated with related components, and are also made of plastic, so that the metal spring plate is not used, rust is avoided, maintenance is avoided, labor and material cost can be saved, and economic benefit is improved.
From the above, it can be seen that: the spectrophotometer colorimetric stand provided by the invention has the advantages of novel and unique design, convenience in installation and use, high stability, time and labor saving and wide application range, and therefore, the spectrophotometer colorimetric stand has great popularization and application values.
In the description of the above specification:
The terms "this embodiment," "this embodiment of the invention," "as shown in … …," "further," "as an alternative," and the like, mean that a particular feature, structure, material, or characteristic described in the embodiment or example is included in at least one embodiment or example of the invention;
In this specification, a schematic representation of the above terms is not necessarily directed to the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc. may be combined or combined in any suitable manner in any one or more embodiments or examples;
furthermore, various embodiments or examples, as well as features of various embodiments or examples, described in this specification may be combined or combined by one of ordinary skill in the art without undue experimentation.
Finally, it should be noted that:
While the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some or all of the features thereof, without departing from the scope of the embodiments of the present invention.
Claims (7)
1. A spectrophotometer cuvette holder for holding a cuvette or cuvette containing a sample solution to be detected in a sample chamber of a spectrophotometer for spectrophotometric detection, comprising:
The device comprises an integrated underframe, a vessel box, a positioning clamp mark and a positioning blocking bridge, wherein the vessel box, the positioning clamp mark and the positioning blocking bridge are arranged on the underframe and are integrated with the underframe into a whole;
the underframe is provided with a fixing hole, and the underframe is fixed on a detection light path of the spectrophotometer sample chamber through bolts inserted into the fixing hole;
the household utensils box comprises a rectangular bottom plate, rectangular side plates and rectangular end plates, wherein the side plates are arranged on two sides of the bottom plate, the end plates are arranged on two ends of the bottom plate and are connected with the side plates, and the side plates and the end plates are enclosed on the periphery of the bottom plate to form a rectangular non-cover box;
The end plate is provided with an optical path hole;
A spring sheet integrated with the side plate is arranged on the side plate at one side in the vessel box;
A test tube hole is formed in the middle of the bottom plate, and a spring sheet integrated with the bottom plate is also arranged on the hole wall of the test tube hole;
The internal length of the vessel box is 10cm; the light path hole is a rectangular through hole; the test tube hole is a through hole formed by sleeving a round hole and a square hole, and the aperture of the round hole of the test tube hole is matched with the outer diameter of a standard test tube in the prior art;
The positioning card mark is arranged on the side plate outside the vessel box, and is arranged according to the optical path calculated after the detection light beam of the spectrophotometer enters from the optical path hole at one end of the vessel box;
The positioning blocking bridge is in a door shape, the positioning blocking bridge comprises a blocking strip and clamping columns connected to two ends of the blocking strip, a clamping mechanism matched with each other is arranged between the clamping columns and the positioning clamping marks, and the positioning blocking bridge straddles between the two side plates and is clamped on the positioning clamping marks through the clamping mechanism; the clamping mechanism between the clamping column and the positioning clamping mark is a clamping groove and a clamping strip which are matched with each other.
2. A spectrophotometer cell holder as claimed in claim 1, wherein:
The positioning clamp marks are arranged at intervals of 5cm optical paths, and specific numerical values of the optical paths are marked on the side plates outside the vessel box by adopting a method of integrating the positioning clamp marks with the side plates.
3. A spectrophotometer cell holder as claimed in claim 1, wherein:
The barrier strip comprises a back and barrier surfaces on two sides of the back, wherein reinforcing ribs penetrating through the back are arranged on the back, and anti-friction edge strips are arranged on the barrier surfaces.
4. A spectrophotometer cell holder as claimed in claim 1, wherein:
the elastic piece is an arc-shaped component with one end capable of being tilted.
5. A spectrophotometer cell holder as claimed in claim 1, wherein:
The bottom frame comprises a rectangular base plate and trapezoid rib plates, at least two rib plates are arranged on the base plate, rectangular grooves are formed in the upper parts of the rib plates, the vessel box is arranged in the rectangular grooves, and the left parts of the upper parts of the rib plates after the rectangular grooves are removed form reinforcing rib plates which are attached to side plates of the vessel box and are used for improving the strength of the side plates;
The fixing holes are arranged at two ends of the substrate, the fixing holes are kidney-shaped holes, and the longitudinal axes of the kidney-shaped holes are consistent with the longitudinal axis of the substrate.
6. A spectrophotometer cell holder as claimed in claim 1, wherein:
The color comparison seat is also included;
The colorimetric seat is a square sleeve with a bottom formed by encircling the panel, is inserted into the test tube hole and is clamped by external tension exerted by an elastic sheet on the wall of the test tube hole, and is used for placing and detecting a cuvette with the size of 1cm and containing a sample solution to be detected;
The two opposite panels forming the colorimetric seat are provided with light path windows, a horizontal spring plate is arranged in the colorimetric seat in the horizontal direction, a vertical spring plate is arranged in the colorimetric seat in the vertical direction, the horizontal spring plate and the vertical spring plate are respectively integrally formed with the panels where the horizontal spring plate and the vertical spring plate are positioned, the horizontal spring plate and the vertical spring plate are used for generating inner tension force between the colorimetric seat and the 1cm cuvette, and the inner tension force is smaller than the outer tension force;
The upper part of the side plate corresponding to the plugging position of the colorimetric seat is also provided with a crescent groove for plugging the colorimetric seat.
7. A spectrophotometer cell holder as claimed in claim 1, wherein:
The spectrophotometer color comparison frame is manufactured by adopting a plastic injection molding method, and a demoulding through hole is arranged below each elastic piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956316.3A CN111948162B (en) | 2020-09-11 | Spectrophotometer colorimetric stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956316.3A CN111948162B (en) | 2020-09-11 | Spectrophotometer colorimetric stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111948162A CN111948162A (en) | 2020-11-17 |
| CN111948162B true CN111948162B (en) | 2024-06-11 |
Family
ID=
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