Sample tray device

Abstract

The utility model discloses a sample tray device which comprises a rack and a tray assembly used for loading samples, and the tray assembly is detachably arranged on the rack. The sample tray device disclosed by the utility model has the advantages of strong applicability, high test efficiency and low test cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical analysis equipment technical field, in particular to a sample tray device. BACKGROUND

[0002] Ion chromatography analyzer when carrying out analysis to sample, its sample can be liquid, also can be solid. Different forms of sample need different holding, sampling, sample mode, generally liquid sample is held with sample bottle, solid sample is loaded with crucible, so the tray for placing, positioning sample bottle, crucible also has the difference, and the tray device suitable for sample bottle and crucible is often difficult to be universal, and the applicability is poor, the switching of solid, liquid sample of ion chromatography analyzer causes the inconvenience, influence test efficiency, increase test cost.

[0003] For example, the Chinese patent document with publication number CN118225954A discloses a sample tray suitable for ion chromatography sample holder, the tray body is sleeve structure, the upper part opening outer edge is equipped with support ring, the internal space of tray body is used as sample bottle placement. The sample tray in the technical scheme is only suitable for loading liquid sample, and has the above-mentioned shortcomings of poor applicability, low test efficiency and high test cost. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide a sample tray device with strong applicability, high test efficiency and low test cost.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A sample tray device, comprising a rack and a tray assembly for loading samples, the tray assembly is detachably arranged on the rack.

[0007] As a further improvement of the above technical scheme:

[0008] The tray assembly comprises a tray, the tray is provided with at least two positioning pin holes, at least two positioning pins are arranged on the rack, and the positioning pin holes are detachably sleeved on the top end of the positioning pins to position the tray and place the tray on the rack.

[0009] Horizontal adjusting plates are further arranged between the rack and the tray, the positioning pins are arranged on the horizontal adjusting plates, and at least two horizontal adjusting columns that can be adjusted up and down are arranged between the horizontal adjusting plates and the rack.

[0010] First through holes are arranged on the horizontal adjusting plates, and the top end of the horizontal adjusting column is arranged in the first through hole and the bottom end is connected with the rack.

[0011] The first through hole is internally provided with a lower abutting surface, and the outer periphery of the horizontal adjusting column is provided with an upper abutting surface for abutting against the lower abutting surface.

[0012] The horizontal adjusting plate is further provided with a second through hole, and a fixing screw is detachably arranged in the second through hole and is threadedly connected with the rack.

[0013] The second through hole is internally provided with a pressure receiving surface for abutting against the end head of the fixing screw.

[0014] The two sides of the tray are provided with handles.

[0015] The tray assembly comprises a tray, and the rack is provided with an annular positioning groove for positioning the outer periphery of the tray.

[0016] The tray assembly comprises a tray, and the rack is provided with a plurality of positioning bosses for positioning the corners of the tray.

[0017] The tray assembly comprises a sample bottle tray assembly and / or a crucible tray assembly, and the sample bottle tray assembly and the crucible tray assembly both comprise the tray, the tray of the sample bottle tray assembly is provided with a sample bottle placing part for placing a plurality of sample bottles, and the tray of the crucible tray assembly is provided with a plurality of crucible placing parts for placing crucibles.

[0018] The upper portion of the tray of the sample bottle tray assembly is provided with a guard plate, and the guard plate is provided with a sample bottle positioning hole corresponding to the sample bottle placing part.

[0019] A gripping space for extending hands is formed between the guard plate and the tray, and the two sides of the guard plate are provided with gripping portions.

[0020] Compared with the prior art, the sample tray device has the following advantages:

[0021] 1. The sample tray device is detachably arranged on the rack through the tray assembly, and when in use, the tray assembly suitable for liquid or solid can be replaced according to the analysis requirements of the ion chromatography analyzer, different types of tray assemblies are easy to exchange, the applicability is strong, the test efficiency is high, and the test cost is low.

[0022] 2. The sample tray device is connected with the rack by sleeving the positioning pin hole on the positioning pin, the tray assembly is convenient to assemble and disassemble, the structure is simple, and the test efficiency is improved.

[0023] 3. The sample tray device adopts the same tray for the sample bottle tray assembly and the crucible tray assembly, the sample bottle tray assembly and the crucible tray assembly are easy to exchange, and the applicability is stronger.

[0024] 4. The sample tray device of the utility model, since the shell or frame of instrument is mostly sheet metal spare or shell of other material, its levelness is difficult to guarantee, the height of each horizontal adjusting column is adjusted, the levelness deviation of frame etc. is offseted in this way, so that the horizontal deviation of horizontal adjusting plate is controlled in reasonable range.

[0025] 5. The sample tray device of the utility model, since the lower abutting surface of horizontal adjusting plate abuts with the upper abutting surface of horizontal adjusting column, so that horizontal adjusting column is adjusted downward, horizontal adjusting plate is moved downward under the action of gravity, so as to keep the adhesion of horizontal adjusting plate and horizontal adjusting column, when horizontal adjusting column is adjusted upward, the upper abutting surface of horizontal adjusting column abuts with the lower abutting surface of horizontal adjusting plate, horizontal adjusting column drives horizontal adjusting plate to move upward, so as to keep the adhesion of horizontal adjusting plate and horizontal adjusting column, and the adjusting effect is good.

[0026] 6. The sample tray device of the utility model, through the double-layer design of tray and guard plate, the bottom of sample bottle is placed on sample bottle placing part, the middle part of sample bottle is limited by sample bottle positioning hole, sample bottle can be placed and poured, and sample bottle can be limited in an accurate position, which is convenient for positioning during subsequent automatic sample feeding and taking. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic view of sample tray device placing sample bottle tray assembly of the utility model embodiment one.

[0028] Figure 2 It is the explosion structure schematic view of sample tray device of the utility model embodiment one.

[0029] Figure 3 It is the main sectional view of sample tray device of the utility model embodiment one.

[0030] Figure 4 It is Figure 3 The enlarged view of A in the figure.

[0031] Figure 5 It is the structure schematic view of horizontal adjusting column in the sample tray device of the utility model embodiment one.

[0032] Figure 6 It is the structure schematic view of sample tray device placing crucible tray assembly of the utility model embodiment one.

[0033] Figure 7 It is the explosion structure schematic view of sample tray device of the utility model embodiment two.

[0034] Figure 8 It is the structure schematic view of sample tray device of the utility model embodiment two.

[0035] Figure 9 is an explosion structure schematic view of the sample tray device of the third embodiment of the present application.

[0036] In the figure, the numbers represent: 1, frame; 2, sample bottle tray assembly; 21, tray; 211, positioning pin hole; 212, handle; 22, sample bottle placing part; 23, guard plate; 231, sample bottle positioning hole; 232, gripping part; 233, gripping space; 3, crucible tray assembly; 31, crucible placing part; 4, horizontal adjusting plate; 41, first through hole; 411, lower abutting surface; 42, second through hole; 421, pressure receiving surface; 43, annular positioning groove; 44, positioning boss; 5, horizontal adjusting column; 51, upper abutting surface; 6, fixing screw; 7, positioning pin; 8, butterfly screw; 91, sample bottle; 92, crucible. DETAILED DESCRIPTION

[0037] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0038] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0039] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0040] In the present application, unless otherwise specifically defined and limited, the terms "assembly", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Embodiment one:

[0042] As Figures 1 to 6As shown, the sample tray device of this embodiment includes a frame 1 and a tray assembly for loading samples, the tray assembly being detachably mounted on the frame 1.

[0043] The sample tray device in this embodiment is detachably mounted on the frame 1 via tray assemblies. During use, tray assemblies suitable for liquids or solids can be replaced according to the analytical requirements of the ion chromatograph. Different types of tray assemblies are easy to interchange, have strong applicability, high experimental efficiency, and low experimental cost.

[0044] Furthermore, such as Figures 1 to 4 As shown, in this embodiment, the tray assembly includes a tray 21 with at least two positioning pin holes 211. The frame 1 has at least two positioning pins 7. The positioning pin holes 211 are detachably fitted onto the tops of the positioning pins 7 to position the tray 21 and place it on the frame 1. Connecting the tray 21 to the frame 1 is achieved by fitting the positioning pin holes 211 onto the positioning pins 7, facilitating the loading and unloading of the tray assembly, simplifying the structure, and improving testing efficiency.

[0045] Preferably, such as Figure 4 As shown, in this embodiment, the positioning pin 7 is a cone-shaped structure with a smaller top and a larger bottom, which facilitates the installation of the positioning pin hole 211 and the positioning pin 7.

[0046] Furthermore, such as Figure 1 , Figure 2 and Figure 6As shown, in this embodiment, the tray assembly includes a sample bottle tray assembly 2 or a crucible tray assembly 3. Both the sample bottle tray assembly 2 and the crucible tray assembly 3 include a tray 21. The tray 21 of the sample bottle tray assembly 2 is provided with a sample bottle placement part 22 for placing multiple sample bottles 91, and the tray 21 of the crucible tray assembly 3 is provided with a multiple crucible placement part 31 for placing crucibles 92. When the ion chromatograph needs to analyze liquid samples, the positioning pin holes 211 of the sample vial tray assembly 2 are fitted one-to-one with the top of the positioning pin 7, so that the tray 21 of the sample vial tray assembly 2 is positioned and placed on the frame 1, allowing the sample tray device of this embodiment to be used to load sample vials 91 for liquid sample analysis. When the ion chromatograph needs to analyze solid samples, the sample vial tray assembly 2 is removed, and the positioning pin holes 211 of the crucible tray assembly 3 are fitted one-to-one with the top of the positioning pin 7, so that the tray 21 of the crucible tray assembly 3 is positioned and placed on the frame 1, allowing the sample tray device of this embodiment to be used to load crucibles 92 for solid sample analysis. By using the same tray 21 for the sample vial tray assembly 2 and the crucible tray assembly 3, the sample vial tray assembly 2 and the crucible tray assembly 3 are easily interchangeable, making them more versatile. Of course, in other embodiments, the tray assembly may include a sample bottle tray assembly 2 and a crucible tray assembly 3, that is, the sample bottle tray assembly 2 and the crucible tray assembly 3 are simultaneously provided on the frame 1, so that the sample tray device of this embodiment can load liquid and solid samples without replacing the tray 21, and the test efficiency is higher.

[0047] Furthermore, such as Figures 1 to 3 As shown, in this embodiment, a horizontal adjustment plate 4 is provided between the frame 1 and the tray 21, and a positioning pin 7 is provided on the horizontal adjustment plate 4. At least two vertically adjustable horizontal adjustment columns 5 are provided between the horizontal adjustment plate 4 and the frame 1. Since the outer shell of the instrument or the frame 1 is mostly made of sheet metal or other materials, its levelness is difficult to guarantee. By adjusting the vertical height of each horizontal adjustment column 5, the levelness deviation of the frame 1, etc., is offset, so that the horizontal deviation of the horizontal adjustment plate 4 is controlled within a reasonable range.

[0048] Furthermore, such as Figure 4 As shown, in this embodiment, the horizontal adjustment plate 4 is provided with a first through hole 41, and the top end of the horizontal adjustment column 5 is disposed in the first through hole 41, while the bottom end is connected to the frame 1. Preferably, in this embodiment, the horizontal adjustment column 5 is threadedly connected to the frame 1, and horizontal adjustment can be performed by screwing the horizontal adjustment column 5 in or out. The structure is simple and the adjustment is convenient. It should be noted that the horizontal adjustment column 5 and the frame 1 can also be connected by other methods such as snap-fit.

[0049] Preferably, such as Figure 5As shown, in the embodiment, the top end of the horizontal adjusting column 5 is provided with a one-shaped opening. The top end of the horizontal adjusting column 5 is provided with a one-shaped opening, which is convenient for the screwdriver to rotate the horizontal adjusting column 5 from above through the first through hole 41.

[0050] Further, as shown in the drawings, Figure 4 As shown, in the embodiment, the first through hole 41 is provided with a lower abutting surface 411, and the outer periphery of the horizontal adjusting column 5 is provided with an upper abutting surface 51 for abutting against the lower abutting surface 411. Because the lower abutting surface 411 of the horizontal adjusting plate 4 abuts against the upper abutting surface 51 of the horizontal adjusting column 5, when the horizontal adjusting column 5 is adjusted downward, the horizontal adjusting plate 4 moves downward under the action of gravity, so as to keep the horizontal adjusting plate 4 and the horizontal adjusting column 5 in close contact; when the horizontal adjusting column 5 is adjusted upward, the upper abutting surface 51 of the horizontal adjusting column 5 abuts against the lower abutting surface 411 of the horizontal adjusting plate 4, and the horizontal adjusting column 5 drives the horizontal adjusting plate 4 to move upward, so as to keep the horizontal adjusting plate 4 and the horizontal adjusting column 5 in close contact, and the adjusting effect is good.

[0051] Further, in the embodiment, the horizontal adjusting plate 4 is further provided with a second through hole 42, and a fixing screw 6 is detachably arranged in the second through hole 42, and the fixing screw 6 is threadedly connected with the rack 1. After the horizontal adjusting column 5 is adjusted, the fixing screw 6 is tightened with the rack 1, so as to press the horizontal adjusting plate 4 on the horizontal adjusting column 5, and the structure is stable.

[0052] Further, in the embodiment, the second through hole 42 is provided with a pressure receiving surface 421 for abutting against the end head of the fixing screw 6. When the fixing screw 6 is tightened with the rack 1, the end head of the fixing screw 6 is pressed onto the pressure receiving surface 421 to press the horizontal adjusting plate 4 on the horizontal adjusting column 5, and the structure is simple and reliable.

[0053] Further, as shown in the drawings, Figure 6 As shown, in the embodiment, the two sides of the tray 21 are provided with handles 212. By arranging the handles 212, the tray 21 is convenient to take, place and replace, and the structure is simple and easy to use.

[0054] Further, as shown in the drawings, Figures 1 to 3 As shown, in the embodiment, the upper side of the tray 21 of the sample bottle tray assembly 2 is provided with a guard plate 23, and the guard plate 23 is provided with sample bottle positioning holes 231 corresponding to the sample bottle placing parts 22. Through the double-layer design of the tray 21 and the guard plate 23, the bottom of the sample bottle 91 is placed on the sample bottle placing part 22, and the middle part of the sample bottle 91 is limited by the sample bottle positioning holes 231, which can prevent the sample bottle 91 from being overturned, and can also limit the sample bottle 91 in an accurate position, which is convenient for positioning during subsequent automatic sample feeding and taking.

[0055] In the sample bottle tray assembly 2, a holding space 233 is formed between the guard plate 23 and the tray 21 for hands to enter, and holding portions 232 are arranged on both sides of the guard plate 23 (the two sides of the guard plate 23 are not provided with sample bottle positioning holes 231, and the plate bodies on the two sides of the guard plate 23 form the holding portions 232), and the hands are inserted into the holding space 233 and hold the holding portions 232, so that the sample bottle tray assembly 2 can be taken out and replaced without the handle 212, and the structure is simple and compact.

[0056] Further, as shown in the drawings, Figure 1 In the embodiment, the sample bottle placing portion 22 is provided in multiple groups, and the sizes of the sample bottle placing portions 22 in each group are different to adapt to sample bottles 91 of different sizes. By providing sample bottle placing portions 22 of different sizes, the tray 21 of the sample bottle tray assembly 2 can simultaneously accommodate sample bottles 91 of different sizes, and the adaptability is high.

[0057] Preferably, in the embodiment, the positioning pins 7, the horizontal adjusting columns 5, and the fixing screws 6 are respectively provided with four, and are distributed around the horizontal adjusting plate 4, and the structure is more stable.

[0058] Embodiment two:

[0059] Figure 7 And Figure 8 Another embodiment of the sample tray device is shown, and the sample tray device of the embodiment is basically the same as that of the first embodiment, and the difference includes:

[0060] The rack 1 (specifically, the horizontal adjusting plate 4) is provided with an annular positioning groove 43 for positioning the tray 21. In use, the tray 21 is placed in the annular positioning groove 43, and the outer periphery of the tray 21 is positioned by the annular positioning groove 43, so that the position of the tray 21 is accurate. The tray 21 is detachably connected with the horizontal adjusting plate 4 through a butterfly screw 8 (in the sample bottle tray assembly 2, the butterfly screw 8 passes through the guard plate 23 to detachably connect the tray 21 with the horizontal adjusting plate 4), and after the tray 21 is positioned, the butterfly screw 8 is tightened, so that the tray 21 is connected and fastened with the horizontal adjusting plate 4, the tray assembly is simple to assemble and disassemble, and the test efficiency is high.

[0061] Preferably, in the embodiment, the annular positioning groove 43 and the horizontal adjusting plate 4 are of an integral structure and are machined from the horizontal adjusting plate 4. Of course, in other embodiments, the annular positioning groove 43 and the horizontal adjusting plate 4 can also be of a split structure and are formed by an annular convex plate mounted on the horizontal adjusting plate 4 and the horizontal adjusting plate 4.

[0062] Embodiment three:

[0063] Figure 9Another embodiment of the sample tray device of the utility model is shown, the sample tray device of the embodiment is basically same with the structure of embodiment two, the difference includes:

[0064] Four positioning bosses 44 are arranged on the rack 1 (specifically, the horizontal adjusting plate 4). The four corners of the tray 21 are positioned by the four positioning bosses 44, so that the position of the tray 21 is accurate, and compared with the technical scheme of embodiment two, the structure is simpler.

[0065] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has disclosed the above with the preferred embodiment, it is not used to limit the utility model. Any skilled person in the art can make many possible changes and modifications to the technical scheme of the utility model by using the disclosed method and technical content without departing from the spirit and technical scheme of the utility model. Therefore, any simple modification, equivalent replacement, equivalent change and modification of the above embodiment according to the technical essence of the utility model, all still belong to the protection range of the technical scheme of the utility model.

Claims

1. A sample tray apparatus, characterized by: The machine frame (1) and the tray assembly for loading samples are detachably arranged on the machine frame (1). The tray assembly comprises a tray (21) provided with at least two positioning pin holes (211), and the machine frame (1) is provided with at least two positioning pins (7), the positioning pin holes (211) are detachably sleeved on the top ends of the positioning pins (7) to position and place the tray (21) on the machine frame (1).

2. The sample tray apparatus of claim 1, wherein: The machine frame (1) and the tray (21) are further provided with a horizontal adjusting plate (4), the positioning pins (7) are arranged on the horizontal adjusting plate (4), and at least two horizontal adjusting columns (5) are arranged between the horizontal adjusting plate (4) and the machine frame (1) and can be adjusted up and down.

3. The sample tray apparatus of claim 2, wherein: The horizontal adjusting plate (4) is provided with a first through hole (41), the top end of the horizontal adjusting column (5) is arranged in the first through hole (41), and the bottom end is connected with the machine frame (1).

4. The sample tray apparatus of claim 3, wherein: The first through hole (41) is provided with a lower abutting surface (411), and the outer periphery of the horizontal adjusting column (5) is provided with an upper abutting surface (51) for abutting against the lower abutting surface (411).

5. The sample tray apparatus of claim 4, wherein: The horizontal adjusting plate (4) is further provided with a second through hole (42), the second through hole (42) is detachably provided with a fixing screw (6), and the fixing screw (6) is in threaded connection with the machine frame (1).

6. The sample tray apparatus of claim 5, wherein: The second through hole (42) is provided with a pressure receiving surface (421) for abutting against the end of the fixing screw (6).

7. The sample tray apparatus of claim 1, wherein: Both sides of the tray (21) are provided with handles (212).

8. The sample tray apparatus of claim 1, wherein: The tray assembly comprises a tray (21), and the machine frame (1) is provided with an annular positioning groove (43) for positioning the outer periphery of the tray (21).

9. The sample tray apparatus of claim 1, wherein: The tray assembly comprises a tray (21), and the machine frame (1) is provided with a plurality of positioning bosses (44) for positioning the corners of the tray (21).

10. The sample tray apparatus of any one of claims 1 to 9, wherein: The tray assembly comprises a sample bottle tray assembly (2) and / or a crucible tray assembly (3), the sample bottle tray assembly (2) and the crucible tray assembly (3) both comprise the tray (21), the tray (21) of the sample bottle tray assembly (2) is provided with a sample bottle placing part (22) for placing a plurality of sample bottles (91), and the tray (21) of the crucible tray assembly (3) is provided with a plurality of crucible placing parts (31) for placing crucibles (92).

11. The sample tray apparatus of claim 10, wherein: The upper portion of the tray (21) of the sample bottle tray assembly (2) is provided with a guard plate (23), and the guard plate (23) is provided with sample bottle positioning holes (231) corresponding to the sample bottle placing part (22).

12. The sample tray apparatus of claim 11, wherein: A holding space (233) for hands is formed between the guard plate (23) and the tray (21), and the two sides of the guard plate (23) are provided with holding parts (232).

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