Disassembly-free convertible solid sample holder device

Abstract

The utility model provides a dismounting-free convertible solid sample holder device, which is characterized in that a rotating disc is rotatably connected to a base through a positioning locking column, a plurality of positioning holes are formed in the base, a steel ball is mounted at the lower end of the rotating disc, the periphery of the steel ball can be positioned and connected into one positioning hole, and a bottom plate and a shading plate are fixedly mounted on the rotating disc; a sample box is detachably installed on the bottom plate, through holes are formed in the two side walls of the shading plate respectively, and incident light irradiates a sample in the sample box through one through hole and is emitted out through the other through hole after being reflected by the sample. According to the dismounting-free convertible solid sample holder device, the base and the rotating disc are connected through the positioning locking column, so that the rotating disc can rotate relative to the base, the first pressure spring elastically tensions the relative position of the base and the rotating disc, and the relative position of a sample box mounted on the U-shaped bracket can be positioned through the matching of the steel ball and the positioning hole; the reversing function of the solid sample holder assembly is achieved under the disassembly-free and assembly-free condition.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of instruments and apparatuses, especially relates to a dismounting-free convertible solid sample holder device. BACKGROUND

[0002] The fluorescence spectrometer is a kind of high-precision analytical measuring instrument, and is more and more widely applied in scientific research at present, and is applied in the research and development in many fields such as new materials and new energy. In the past, the fluorescence spectrometer is mainly used to measure liquid samples in scientific research, along with the popularization of application, more and more customer groups are used to measure solid samples, but the fluorescence efficiency of some solid samples is very low, and the excitation light obtained by ordinary xenon lamp light source after light splitting cannot meet the demand energy of excitation of solid samples.

[0003] Laser has small spectral bandwidth and high energy, and it is necessary to use laser as excitation light source. However, since laser has single wavelength, it is impossible to use all wavelengths of laser as excitation light source, and laser cannot become a general light source of fluorescence spectrometer, so it is required to continue to use xenon lamp as light source of fluorescence spectrometer, and laser is used as necessary alternative light source. Since solid samples generally do not have permeability, the solid sample holder needs to be replaced or adjusted in direction. In order not to affect the use of fluorescence spectrometer, a solid sample holder specially used for laser is generally developed, and the solid sample holder is replaced with laser. This can better guarantee the original performance of fluorescence spectrometer, but it is troublesome and time-consuming and laborious to replace. SUMMARY

[0004] Therefore, the utility model aims at providing a dismounting-free convertible solid sample holder device to solve the problems that the sample fixing frame of the fluorescence spectrometer in the prior art is troublesome and time-consuming and laborious to replace.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A dismounting-free convertible solid sample holder device, comprising a base and a rotating disc, the rotating disc is rotatably connected to the base through a positioning locking column, a plurality of positioning holes are arranged on the base, a steel ball is arranged at the lower end of the rotating disc, the steel ball can be positioned and connected into one of the positioning holes, a bottom plate and a light shielding plate are fixedly installed on the rotating disc, a sample box is detachably installed on the bottom plate, the light shielding plate is in L-shaped structure, through holes are arranged on the two side walls of the light shielding plate, one of the through holes is used to irradiate the sample in the sample box with incident light, and the other through hole is used to emit the reflected light from the sample.

[0007] Further, the upper surface of the bottom plate is provided with a slope.

[0008] Further, the upper surface of the bottom plate is provided with a U-shaped support, the two side walls of the U-shaped support are respectively provided with sliding holes, the outer periphery of the guide rod is respectively connected into the two sliding holes in a sliding mode, one end of the guide rod is provided with a pressing block, a limiting plate is arranged on the bottom plate, and the sample box is arranged between the pressing block and the limiting plate.

[0009] Further, a limiting block is arranged on the guide rod in a sleeving mode, the limiting block is arranged in the U-shaped support, the outer periphery of the guide rod is provided with a second compression spring, and the two ends of the second compression spring are respectively fixedly connected to one end of the limiting block and the side wall of the U-shaped support.

[0010] Further, a pulling rod is arranged on the limiting block.

[0011] Further, the bottom base is provided with a through hole, one end of the positioning locking column is arranged on the rotating disc after penetrating through the through hole, the outer periphery of the positioning locking column is provided with a first compression spring, and the two ends of the first compression spring are respectively abutted to the lower end of the bottom base and the lower end of the positioning locking column.

[0012] Further, the plurality of positioning holes are arranged in an arc shape, the rotating disc is provided with a mounting hole, a third spring is arranged in the mounting hole, a steel ball is fixedly connected to the mounting hole, and one end of the third spring is abutted to the outer periphery of the steel ball.

[0013] Compared with the prior art, the solid sample rack device with the disassembly-free and convertible function has the following beneficial effects: the positioning locking column is arranged between the bottom base and the rotating disc, so that the rotating disc can rotate relative to the bottom base, the relative position of the bottom base and the rotating disc is elastically tightened by the first compression spring, the relative position of the sample box arranged on the U-shaped support can be positioned by the cooperation of the steel ball arranged at the bottom of the rotating disc and the positioning hole on the bottom base, and the reversing function of the solid sample rack assembly under the condition of disassembly-free is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated herein for reference. The embodiments of the application and the description thereof are used to explain the application and are not intended to limit the application. In the drawings:

[0015] Figure 1 It is a top view of the solid sample rack device with the disassembly-free and convertible function.

[0016] Figure 2 It is a side view of the solid sample rack device with the disassembly-free and convertible function.

[0017] Figure 3 It is a sectional view of the solid sample rack device with the disassembly-free and convertible function.

[0018] Figure 4The schematic view of three positioning holes arranged on the base of the embodiment of the utility model;

[0019] Figure 5 The cross section schematic view of the steel ball installed to the rotating disc of the embodiment of the utility model;

[0020] Figure 6 The structure schematic view of the light shielding plate.

[0021] Mark explanation:

[0022] 1-base;11-positioning hole;2-rotating disc;21-steel ball;22-third spring;3-positioning locking column;31-first compression spring;4-bottom plate;5-pull rod;6-sample box;7-light shielding plate;71-through hole;8-U-shaped support;9-guide rod;10-pressing block;11-limiting plate;12-limiting block;13-second compression spring. Specific implementation

[0023] It should be noted that, in the case of no conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

[0024] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0025] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0026] The utility model discloses below will refer to the drawing and combine the embodiment to explain in detail.

[0027] As Figures 1-6 The utility model discloses a disassembly-free convertible solid sample holder device, including base 1 and rotating disc 2, and rotating disc 2 is connected through locating locking column 3 on base 1, be equipped with a plurality of locating hole 11 on base 1, the lower end of rotating disc 2 installs steel ball 21, and the periphery of steel ball 21 can be positioned to connect to a locating hole 11 in, and each locating hole 11 is used for positioning the relative position of rotating disc 2, and the bottom plate 4 is fixedly installed on rotating disc 2 and light shield 7, and the sample box 6 is detachably installed on the bottom plate 4, and the light shield 7 is L type structure, and the both sides wall of light shield 7 is equipped with through -hole 71 respectively, and the incident light diameter one through -hole 71 irradiates to the sample of sample box 6, and after the reflection of sample, by another through -hole 71, the relative position of sample box 6 can be positioned by the cooperation of the steel ball 21 installed at the bottom of rotating disc 2 and the locating hole 11 on base 1, and the reversing function of solid sample holder assembly under the condition of disassembly-free is realized.

[0028] The upper surface of bottom plate 4 is equipped with slope, and the upper surface of bottom plate 4 installs U type support 8, and the both sides wall of U type support 8 is equipped with slide hole respectively, and the periphery of guide rod 9 is slidably connected to two slide holes respectively, and one end of guide rod 9 is installed pressing block 10, and the limiting plate 11 is installed on bottom plate 4, and the sample box 6 is installed between pressing block 10 and limiting plate 11, and the relative inclined slope and pressing block 10 and limiting plate 11 jointly act on sample box 6, so as to press sample box 6 tightly between pressing block 10 and limiting plate 11.

[0029] The guide rod 9 is fixedly sleeved with limiting block 12, and the limiting block 12 is located in U type support 8, and the periphery of guide rod 9 is equipped with second compression spring 13, and the both ends of second compression spring 13 are fixedly connected to one end of limiting block 12 and the side wall of U type support 8 respectively, and the limiting block 12 is installed pull rod 5, and second compression spring 13 is the elastic pressure structure between pressing block 10 and limiting plate 11, and the pressing block 10 is facilitated by pull rod 5, and the disassembly of sample box 6 is facilitated.

[0030] The base 1 is equipped with a perforation, and one end of the locating locking column 3 is installed on the rotating disc 2 after passing through the perforation, and the periphery of the locating locking column 3 is equipped with the first compression spring 31, and the both ends of the first compression spring 31 are respectively abutted to the lower end of the base 1 and the lower end of the locating locking column 3, and the relative position of the base 1 and the rotating disc 2 is elastically tightened by the first compression spring 31, to prevent the rotating disc 2 from loosening, and as Figure 4 The plurality of locating holes 11 are arranged in an arc shape, and the rotating disc 2 is provided with a mounting hole, the third spring 22 is arranged in the mounting hole, and the steel ball 21 is fixedly connected to the mounting hole, and one end of the third spring 22 is abutted to the periphery of the steel ball 21.

[0031] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A non-disassembly, convertible solid sample holder device, characterized in that: The device includes a base (1) and a rotating disk (2), and the rotating disk (2) is rotatably connected to the base (1) via a positioning locking pin (3). The base (1) is provided with multiple positioning holes (11). A steel ball (21) is installed at the lower end of the rotating disk (2). The outer periphery of the steel ball (21) can be positioned and connected to a positioning hole (11). A base plate (4) and a light shield (7) are fixedly installed on the rotating disk (2), and a sample box (6) is detachably installed on the base plate (4). The light shield (7) has an L-shaped structure, and through holes (71) are provided on both sides of the light shield (7). The incident light passes through one through hole (71) and irradiates the sample in the sample box (6). After being reflected by the sample, it is emitted through another through hole (71).

2. The non-disassembly and interchangeable solid sample holder device according to claim 1, characterized in that: The upper surface of the base plate (4) is sloped.

3. The non-disassembly and interchangeable solid sample holder device according to claim 1, characterized in that: A U-shaped bracket (8) is installed on the upper surface of the base plate (4). The two side walls of the U-shaped bracket (8) are respectively provided with sliding holes. The outer periphery of the guide rod (9) is slidably connected to the two sliding holes. A pressure block (10) is installed at one end of the guide rod (9). A limiting plate (11) is installed on the base plate (4). The sample box (6) is installed between the pressure block (10) and the limiting plate (11).

4. The non-disassembly and interchangeable solid sample holder device according to claim 3, characterized in that: A limiting block (12) is fixedly sleeved on the guide rod (9), and the limiting block (12) is located inside the U-shaped bracket (8). A second compression spring (13) is provided on the periphery of the guide rod (9). The two ends of the second compression spring (13) are respectively fixedly connected to one end of the limiting block (12) and the side wall of the U-shaped bracket (8).

5. The non-disassembly and interchangeable solid sample holder device according to claim 4, characterized in that: A pull rod (5) is installed on the limit block (12).

6. The non-disassembly and interchangeable solid sample holder device according to claim 1, characterized in that: The base (1) has a through hole. One end of the positioning locking pin (3) passes through the through hole and is installed on the rotating disk (2). The periphery of the positioning locking pin (3) is provided with a first compression spring (31). The two ends of the first compression spring (31) abut against the lower end of the base (1) and the lower end of the positioning locking pin (3), respectively.

7. The non-disassembly and interchangeable solid sample holder device according to claim 1, characterized in that: Multiple positioning holes (11) are arranged in an arc shape. The rotating disk (2) is provided with mounting holes. A third spring (22) is installed in the mounting holes, and a steel ball (21) is fixedly connected to the mounting holes. One end of the third spring (22) abuts against the outer periphery of the steel ball (21).

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