Testing jig for handheld X-ray fluorescence spectrophotometer
By using a U-shaped frame and threaded hole mounting mechanism and an adjustable sample placement structure, the compatibility and sample adaptability issues of existing test racks are solved, enabling flexibility in installing multiple spectrometer models and placing samples of different specifications.
Patent Information
- Application Number
- CN202422691521.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing handheld X-ray fluorescence spectrometer test stands can only be used with spectrometers of fixed size, and the sample placement structure cannot accommodate samples of different specifications.
A mating mounting mechanism including a U-shaped frame and threaded holes was designed, combined with an adjustable sample placement structure, to achieve multi-size adaptation and flexible sample placement through threaded connection and rocker adjustment.
The test rack is compatible with various models and specifications of handheld X-ray fluorescence spectrometers and can flexibly adjust the sample position to accommodate samples of different sizes.
Smart Images

Figure CN223770119U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of measuring instrument assembly technology, specifically a test stand for a handheld X-ray fluorescence spectrometer. Background Technology
[0002] X-ray fluorescence spectrometers can determine the content of elements based on the intensity of characteristic X-rays. In recent years, the application scope of X-ray fluorescence spectroscopy has been continuously expanding in various industries. It has become a widely used tool in metallurgy, geology, non-ferrous metals, building materials, commodity inspection, environmental protection, health and other fields. At present, handheld X-ray fluorescence spectrometers are often equipped with test stands for convenient sample measurement.
[0003] The existing test racks for handheld X-ray fluorescence spectrometers still have the following problems when in use: when the test racks for handheld X-ray fluorescence spectrometers are installed on the outside of the handheld X-ray fluorescence spectrometer, they often adopt a fixed-size matching installation structure, which can only be used with handheld X-ray fluorescence spectrometers of the same model, which is inconvenient. At the same time, the sample placement structure is also a fixed structure design, which cannot be adapted to place samples of different specifications. Utility Model Content
[0004] (a) Technical problems to be solved.
[0005] To address the shortcomings of existing technologies, this invention provides a test fixture for a handheld X-ray fluorescence spectrometer, solving the problems mentioned in the background section.
[0006] (ii) Technical solution.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a test stand for a handheld X-ray fluorescence spectrometer, including a mounting mechanism, a placement mechanism at the front end of the mounting mechanism, a moving mechanism between the mounting mechanism and the placement mechanism, the mounting mechanism including a U-shaped frame, the top two ends of the U-shaped frame being inclined, and a threaded hole being opened at the inclined part of the U-shaped frame, with a screw threaded into the threaded hole.
[0008] As a further embodiment of this utility model: the bottom wall of the U-shaped frame is symmetrically connected to two sliding sleeves. The moving mechanism includes a sliding rod slidably connected to the sliding sleeve. A connecting frame is fixedly connected between the front side walls of the two sliding rods facing each other. A through hole is opened between the upper and lower side walls of the middle part of the connecting frame. The placement mechanism is rotatably disposed in the through hole. The placement mechanism includes a rocker arm rotatably connected to the through hole. A placement plate is fixedly connected to the top of the rocker arm. Grooves are opened at both ends of the top wall of the placement plate. A mounting seat is rotatably installed in the groove. A mounting hole is opened between the two side walls of the mounting seat.
[0009] As a further improvement of this utility model, a handle is fixedly connected between the center positions of the front ends of the two slide rods.
[0010] As a further embodiment of this utility model: three protective rubber strips are fixedly connected at equal intervals from front to back on the lower inner wall of the U-shaped frame, a rubber block is fixedly connected to the bottom of the screw, and a lever is fixedly connected to the top of the screw.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. In this utility model, a multi-size compatible mounting mechanism is provided, which includes a U-shaped frame with its top two ends inclined and threaded holes provided at the inclined ends. Fastening screws are threaded into the threaded holes. The U-shaped frame is fitted onto the outside of the handheld X-ray fluorescence spectrometer. At this time, the fastening screws on both sides are tightened to secure the handheld X-ray fluorescence spectrometer inside the U-shaped frame, thereby realizing the installation of the test frame on the outside of the handheld X-ray fluorescence spectrometer. This installation method can be adapted to various models and specifications of handheld X-ray fluorescence spectrometers.
[0013] 2. In this utility model, an adjustable sample placement structure is adopted. The sample placement structure includes a sliding rod that is slidably connected to the bottom sliding sleeve of the U-shaped frame. A connecting frame is fixedly connected between the two sliding rods. A rocker arm is rotatably installed in the connecting frame, and a placement tray is fixedly connected to the top of the rocker arm. The placement tray can be flexibly adjusted relative to the U-shaped frame. That is, after the overall test frame is installed on the outside of the handheld X-ray fluorescence spectrometer, the position of the placement tray relative to the handheld X-ray fluorescence spectrometer can be flexibly adjusted to accommodate the placement of samples of different specifications. Attached Figure Description
[0014] Figure 1 This is a perspective view of the entire utility model;
[0015] Figure 2 This is a perspective view of the mounting mechanism of this utility model;
[0016] Figure 3 This is a perspective view of the moving mechanism of this utility model;
[0017] Figure 4 This is a perspective view of the placement mechanism of this utility model.
[0018] In the diagram: 1. Installation mechanism; 2. Moving mechanism; 3. Placement mechanism; 11. U-shaped frame; 12. Protective rubber strip; 13. Threaded hole; 14. Screw; 15. Pulling block; 16. Rubber block; 17. Sliding sleeve; 21. Sliding rod; 22. Connecting bracket; 23. Through hole; 24. Handle; 31. Rocker arm; 32. Placement plate; 33. Groove; 34. Mounting base; 35. Mounting hole. Detailed Implementation
[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0020] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] Please see Figures 1-4 In this embodiment of the present invention, a test stand for a handheld X-ray fluorescence spectrometer includes a mounting mechanism 1, a placement mechanism 3 at the front end of the mounting mechanism 1, and a moving mechanism 2 between the mounting mechanism 1 and the placement mechanism 3. The mounting mechanism 1 includes a U-shaped frame 11 with both ends of the top of the U-shaped frame 11 inclined, and a threaded hole 13 is provided at the inclined part of the top of the U-shaped frame 11. A screw 14 is threaded into the threaded hole 13. The entire assembly is provided with multiple sizes of the mounting mechanism 1, which includes a U-shaped frame 11 with both ends of the top inclined and threaded holes 13 at the inclined part, and fastening screws 14 are threaded into the threaded holes 13. The U-shaped frame 11 is fitted onto the outside of the handheld X-ray fluorescence spectrometer. At this time, by tightening the fastening screws 14 on both sides, the handheld X-ray fluorescence spectrometer inside the U-shaped frame 11 can be fastened, that is, the test stand is installed on the outside of the handheld X-ray fluorescence spectrometer. The installation method can be adapted to various models and specifications of handheld X-ray fluorescence spectrometers.
[0023] Three protective rubber strips 12 are fixedly connected at equal intervals from front to back on the lower inner wall of the U-shaped frame 11. A rubber block 16 is fixedly connected to the bottom of the screw 14. The rubber block 16 and the protective rubber strips 12 serve to protect the handheld X-ray fluorescence spectrometer when it is fastened inside the U-shaped frame 11. A lever 15 is fixedly connected to the top of the screw 14 to facilitate manual turning of the screw 14.
[0024] The bottom wall of the U-shaped frame 11 is symmetrically connected to two sliding sleeves 17. The moving mechanism 2 includes a sliding rod 21 slidably connected to the sliding sleeve 17. A connecting frame 22 is fixedly connected between the front facing side walls of the two sliding rods 21. A through hole 23 is opened between the upper and lower side walls of the middle part of the connecting frame 22. The placement mechanism 3 is rotatably disposed in the through hole 23. The placement mechanism 3 includes a rocker arm 31 rotatably connected to the through hole 23. A placement plate 32 is fixedly connected to the top of the rocker arm 31. Grooves 33 are opened at both ends of the top wall of the placement plate 32. A mounting seat 34 is rotatably installed in the groove 33. A groove is opened between the two side walls of the mounting seat 34. It has mounting holes 35 and adopts an adjustable sample placement structure. The sample placement structure includes a slide rod 21 that is slidably connected to the bottom slide sleeve 17 of the U-shaped frame 11. A connecting frame 22 is fixedly connected between the two slide rods 21. A rocker arm 31 is rotatably installed in the connecting frame 22, and the top of the rocker arm 31 is fixedly connected to the placement tray 32. The placement tray 32 can be flexibly adjusted relative to the U-shaped frame 11. That is, after the entire test frame is installed on the outside of the handheld X-ray fluorescence spectrometer, the position of the placement tray 32 relative to the handheld X-ray fluorescence spectrometer can be flexibly adjusted to accommodate the placement of samples of different specifications.
[0025] A handle 24 is fixedly connected between the center positions of the front ends of the two slide rods 21. The handle 24 can be held to pull the slide rods 21, thereby adjusting the distance between the placement mechanism 3 and the U-shaped frame 11.
[0026] The working principle of this utility model is as follows: The overall design includes a multi-size adaptable mounting mechanism 1, comprising a U-shaped frame 11 with inclined ends at the top. Threaded holes 13 are provided at the inclined ends, and fastening screws 14 are threaded into the threaded holes 13. The U-shaped frame 11 is fitted onto the outside of the handheld X-ray fluorescence spectrometer. Tightening the fastening screws 14 on both sides secures the handheld X-ray fluorescence spectrometer within the U-shaped frame 11, thus achieving the installation of the test stand on the outside of the handheld X-ray fluorescence spectrometer. This installation method is adaptable to various models and specifications of handheld X-ray fluorescence spectrometers. The installation process is as follows: The entire unit adopts an adjustable sample placement structure, which includes a sliding rod 21 slidably connected to the bottom sliding sleeve 17 of the U-shaped frame 11. A connecting frame 22 is fixedly connected between the two sliding rods 21. A rocker arm 31 is rotatably installed inside the connecting frame 22, and a placement tray 32 is fixedly connected to the top of the rocker arm 31. The placement tray 32 can be flexibly adjusted relative to the U-shaped frame 11. That is, after the entire test frame is installed on the outside of the handheld X-ray fluorescence spectrometer, the position of the placement tray 32 relative to the handheld X-ray fluorescence spectrometer can be flexibly adjusted to accommodate the placement of samples of different specifications.
[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A test rack for handheld X fluorescence spectrometer, comprising a matching mounting mechanism (1), which is provided with a placing mechanism (3) at the front end; characterized in that A moving mechanism (2) is arranged between the matching mounting mechanism (1) and the placing mechanism (3), the matching mounting mechanism (1) comprises a U-shaped frame (11), the top of the U-shaped frame (11) is provided with inclined ends, and the upper inclined part of the U-shaped frame (11) is provided with a threaded hole (13), and the threaded hole (13) is threadedly connected with a screw (14); The bottom wall of the U-shaped frame (11) is fixedly connected with two sliding sleeves (17) in a symmetrical manner, the moving mechanism (2) comprises a sliding rod (21) slidingly connected in the sliding sleeve (17), and the two sliding rods (21) are fixedly connected with a connecting frame (22) between the front facing sides of the side walls; A through hole (23) is formed between the upper and lower side walls of the middle part of the connecting frame (22), and the placing mechanism (3) is rotatably arranged in the through hole (23).
2. The test stand for a handheld X-ray fluorescence spectrometer according to claim 1, characterized in that The placing mechanism (3) comprises a rocker (31) rotatably connected in the through hole (23), and the top end of the rocker (31) is fixedly connected with a placing disc (32).
3. The test stand of claim 2, wherein: The top wall of the placing disc (32) is provided with a recess (33) at both ends, and the recess (33) is rotatably provided with a mounting seat (34).
4. The test stand of claim 3, wherein: Mounting holes (35) are formed between the side walls of the mounting seat (34).
5. The test stand of claim 1, wherein: The front ends of the two sliding rods (21) are fixedly connected with a handle (24) between the central positions.
6. The test stand of claim 1, wherein: The inner side wall of the U-shaped frame (11) is fixedly connected with three protective rubber strips (12) below in a front-to-rear equal distance manner.
7. The test stand of claim 1, wherein: The bottom end of the screw (14) is fixedly connected with a rubber block (16), and the top end of the screw (14) is fixedly connected with a knob (15).