Net ring device for placing sample
By designing the mesh ring device, the tight cooperation of the mesh structure and the membrane gland provide high bearing capacity support, the problem of easy deformation of the sample cup in the prior art is solved, and the accuracy of the detection results and the stability of the film are improved.
Patent Information
- Application Number
- CN202323629867.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing X-ray fluorescence spectrometer sample cup staking device when placing large liquid samples, it is easy to deform due to lack of support, resulting in the film shrinkage, affecting the accuracy of the detection results, especially the detection of low-content liquid samples. .
A mesh ring device is designed, including mesh ring, membrane gland and thin film. The mesh ring has a ring body, a fixed section, an extension section and a connecting section. The membrane gland has a cover body and a connecting plate. The film is located at the mesh ring and membrane pressure. Between the covers, the first and second mesh structures provide support, the film is naturally tightened, avoiding shrinkage, and enhancing stability through threaded connections.
Effectively support large-weight liquid samples, avoid device deformation, and improve the accuracy of detection results. At the same time, the film can be naturally tightened, not easily wrinkled, and easy to replace, improving the accuracy of measurement results.
Smart Images
Figure CN222364938U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of instrument analysis, in particular to a net ring device for placing samples. Background Art
[0002] At present, the sample placing device of the sample cup of the X-ray fluorescence spectrometer is composed of two concave and convex parts with a layer of film in the middle for safety. This design has a disadvantage, that is, when placing a sample with a large mass, especially a liquid sample, due to the gravity of the sample itself, the sample placing device will appear concave due to lack of support. This deformation will squeeze the film in the component and cause wrinkles, affecting the detection results, especially for the detection of low-content liquid samples. Therefore, it is urgent to invent a sample placing device with high load-bearing capacity and not easy to deform. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art, in particular to solve the problem that the existing lofting device is easy to deform, resulting in inaccurate detection results.
[0004] In order to overcome the above-mentioned problems, the utility model discloses a mesh ring device for placing samples, the mesh ring device is suitable for being arranged in an analytical instrument to carry items thereon, and comprises a mesh ring, a membrane pressure cover and a thin film, wherein the mesh ring has a ring body and a first mesh structure fixed on the ring body, the ring body comprises a fixed section, an extension section and a connecting section, the fixed section is a hollow ring-shaped structure penetrating from top to bottom, the extension section is located on the outside of the fixed section, the connecting section is located at the bottom of the fixed section and extends inwardly along the center direction of the fixed section; the membrane pressure cover has a cover body and a second mesh structure fixed on the cover body, the cover body comprises a fixed plate and a connecting plate, the fixed plate is a hollow ring-shaped structure penetrating from top to bottom, and is sleeved on the fixed section of the mesh ring, the connecting plate is located at the bottom of the fixed plate and extends inwardly along the center direction of the fixed plate; the thin film is located between the stacked mesh rings and the membrane pressure cover.
[0005] According to the prior art described in the background technology of this patent, the currently used sample placement device is prone to deformation when placing a sample of large mass, especially a liquid sample, resulting in inaccurate detection results; the mesh ring device disclosed in the utility model, on the one hand, the first mesh structure and the second mesh structure can play a good supporting role, and can also maintain deformation when carrying a heavy liquid sample, thereby improving the accuracy of the detection result; on the other hand, the membrane pressure cover and the mesh ring are closely matched, the film can be naturally tightened without wrinkling, and at the same time, the film is convenient to replace.
[0006] In addition, the groundwater in-situ rapid detection device disclosed in the utility model also has the following additional technical features:
[0007] Furthermore, the connecting section is provided with first fixing holes, which are fixedly connected to the first mesh structure, and the first fixing holes are evenly distributed on the connecting section.
[0008] Furthermore, the first mesh structure is composed of mutually intersecting wires passing through the first fixing holes.
[0009] Furthermore, the connecting plate is provided with second fixing holes, which are fixedly connected to the second mesh structure, and the second fixing holes are evenly distributed on the connecting plate.
[0010] Furthermore, the second mesh structure is composed of mutually intersecting wires passing through the second fixing holes.
[0011] Furthermore, the inner diameter of the fixing plate matches the outer diameter of the fixing section, so that the fixing section is embedded in the fixing plate.
[0012] Furthermore, a groove is provided at the connection between the fixing section and the extending section.
[0013] Furthermore, the fixing section and the fixing plate are connected via threads.
[0014] Furthermore, the inner diameters of the connecting section and the connecting plate are equal, and the outer diameters of the fixing section and the fixing plate are equal.
[0015] Furthermore, the thickness of the film ranges from 4 μm to 6 μm.
[0016] Additional aspects and advantages of the embodiments of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the mesh ring and the membrane gland of the utility model;
[0020] Figure 3 It is a cross-sectional view of the utility model;
[0021] Figure 4 It is a structural schematic diagram of the net ring of the utility model;
[0022] Figure 5 It is a structural schematic diagram of the membrane gland of the utility model;
[0023] Among them, 1 mesh ring, 1-1 ring body, 1-1-1 fixed section, 1-1-2 extension section, 1-1-3 connecting section, 1-1-3-1 first fixing hole, 1-2 first mesh structure, 2 membrane pressure cover, 2-1 cover body, 2-1-1 fixed plate, 2-1-2 connecting plate, 2-1-2-1 second fixing hole, 2-2 second mesh structure, 3-thin film. Implementation
[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0025] In the description of the present invention, terms such as "longitudinal", "lateral", "above", "below", "front", "rear", "vertical", "horizontal", "top", and "bottom" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.
[0026] like Figure 1-5 As shown, according to an embodiment of the present utility model, the mesh ring device for placing samples includes a mesh ring 1, a film pressure cover 2 and a film 3, wherein:
[0027] The net ring 1 includes a ring body 1-1 and a first mesh structure 1-2 fixed on the ring body 1-1, the ring body 1-1 includes a fixed section 1-1-1, an extension section 1-1-2 and a connecting section 1-1-3, the fixed section 1-1-1 is a hollow ring that passes through from top to bottom, the extension section 1-1-2 is located outside the fixed section, and the connecting section 1-1-3 is located at the bottom of the fixed section 1-1-1 and extends inward along the center direction of the fixed section 1-1-1; according to an embodiment of the utility model, the ring body 1-1 is integrally formed.
[0028] The membrane pressure cover 2 includes a cover body 2-1 and a second mesh structure 2-2 fixed on the cover body 2-1, the cover body 2-1 includes a fixed plate 2-1-1 and a connecting plate 2-1-2, the fixed plate 2-1-1 is a hollow ring that passes through from top to bottom and is sleeved on the fixed section 1-1-1 of the mesh ring 1, the connecting plate 2-1-2 is located at the bottom of the fixed plate 2-1-1 and extends inwardly along the center direction of the fixed plate 2-1-1; according to one embodiment of the utility model, the cover body 2-1 is integrally formed.
[0029] The film 3 is located between the stacked mesh ring 1 and the film pressing cover 2 .
[0030] The mesh ring device described in the embodiment of the utility model, on the one hand, the first mesh structure and the second mesh structure can play a good supporting role, and can remain unchanged even when carrying a heavy liquid sample, thereby improving the accuracy of the detection result; on the other hand, the membrane pressure cover 2 and the mesh ring 1 are closely matched, the film 3 can be naturally tightened without wrinkling, and at the same time, the film 3 can be easily replaced.
[0031] In addition, the groundwater in-situ rapid detection device disclosed in the utility model also has the following additional technical features:
[0032] According to some embodiments of the present invention, Figure 4 As shown, the connecting section 1-1-3 is provided with a first fixing hole 1-1-3-1, which is fixedly connected to the first mesh structure 1-2, and the first fixing holes 1-1-3-1 are evenly laid on the connecting section 1-1-3.
[0033] According to some embodiments of the present invention, the first mesh structure 1-2 is composed of mutually intersecting wires passing through the first fixing holes 1-1-3-1, so that the first mesh structure 1-2 is naturally tightened and not easily deformed.
[0034] According to some embodiments of the present invention, Figure 5 As shown, the connecting plate 2-1-2 is provided with second fixing holes 2-1-2-1, which are fixedly connected to the second mesh structure 2-2, and the second fixing holes 2-1-2-1 are evenly laid on the connecting plate 2-1-2.
[0035] According to some embodiments of the present invention, the second mesh structure 2-2 is composed of mutually intersecting wires passing through the second fixing holes 2-1-2-1, so that the second mesh structure 2-2 is naturally tightened and not easily deformed.
[0036] According to some embodiments of the present invention, the material of the first mesh structure 1-2 and the second mesh structure 2-2 needs to meet the requirements of high strength, low elasticity, and not easy to deform, for example, it can be nylon wire.
[0037] like Figure 3 As shown, according to some embodiments of the utility model, the inner diameter of the fixing plate 2-1-1 cooperates with the outer diameter of the fixing section 1-1-1, so that the fixed end is embedded in the fixing plate 2-1-1. According to some embodiments of the utility model, the inner diameter of the fixing plate 2-1-1 is slightly larger than the outer diameter of the fixing section 1-1-1, so that the membrane pressure cover 2 can be simply placed and put together with the mesh ring 1.
[0038] According to some embodiments of the utility model, a groove is provided at the connection between the fixed section 1-1-1 and the extension section 1-1-2. The groove can allow a certain amount of movement space for the membrane pressure cover 2 and the mesh ring 1 when they are sleeved, making the sleeve more stable, while shortening the distance from the sample to the instrument to improve the performance of the instrument.
[0039] According to another embodiment of the utility model, the fixing section 1-1-1 and the fixing plate 2-1-1 are connected by threads, the inner surface of the fixing section 1-1-1 has threads, and the outer surface of the fixing plate 2-1-1 has threads matching the outer surface of the fixing section 1-1-1.
[0040] According to some embodiments of the present invention, the inner diameters of the connecting section 1-1-3 and the connecting plate 2-1-2 are equal, that is, the sizes of the first mesh structure 1-2 and the second mesh structure 2-2 are equal, and the outer diameters of the fixing section 1-1-1 and the fixing plate 2-1-1 are equal.
[0041] According to some embodiments of the utility model, the thickness of the film ranges from 4μm to 6μm, and the thickness of the existing film is about 10μm. The mesh ring 1 and the membrane pressure cover 3 described in the present application have higher supporting strength, and cooperate with the film with smaller thickness to improve the accuracy of the measurement results.
[0042] Although the mesh ring device for placing samples of the present invention has been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and purpose of the present invention, and the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A mesh ring device for placing samples, characterized in that: include; The mesh ring has a ring body and a first mesh structure fixed on the ring body, wherein the ring body includes a fixed section, an extension section and a connecting section, wherein the fixed section is a hollow ring extending from top to bottom, the extension section is located outside the fixed section, and the connecting section is located at the bottom of the fixed section and extends inwardly along the center direction of the fixed section; The membrane pressure cover comprises a cover body and a second mesh structure fixed on the cover body, wherein the cover body comprises a fixing plate and a connecting plate, wherein the fixing plate is a hollow ring extending vertically and is sleeved on the fixing section of the mesh ring, and the connecting plate is located at the bottom of the fixing plate and extends inwardly along the center direction of the fixing plate; The film is located between the stacked mesh rings and the film pressure cover.
2. The net ring device according to claim 1, characterized in that: The connecting section is provided with first fixing holes, which are fixedly connected to the first mesh structure, and the first fixing holes are evenly laid on the connecting section.
3. The net ring device according to claim 2, characterized in that: The first mesh structure is composed of mutually intersecting wires passing through the first fixing holes.
4. The net ring device according to claim 1, characterized in that: The connecting plate is provided with second fixing holes, which are fixedly connected to the second mesh structure, and the second fixing holes are evenly laid on the connecting plate.
5. The net ring device according to claim 4, characterized in that: The second mesh structure is composed of mutually intersecting wires passing through the second fixing holes.
6. The net ring device according to claim 1, characterized in that: The inner diameter of the fixing plate matches the outer diameter of the fixing section, so that the fixing section is embedded in the fixing plate.
7. The net hoop device according to claim 1, characterized in that: A groove is provided at the connection between the fixing section and the extending section.
8. The net ring device according to claim 1, characterized in that: The fixing section and the fixing plate are connected via threads.
9. The net hoop device according to claim 1, characterized in that: The inner diameters of the connecting section and the connecting plate are equal, and the outer diameters of the fixing section and the fixing plate are equal.
10. The net hoop device according to claim 1, characterized in that: The thickness of the film ranges from 4 μm to 6 μm.