Sample clamp of X-ray diffractometer

Abstract

The utility model discloses a sample fixture of an X-ray diffractometer, which belongs to the technical field of material testing equipment and comprises a triangular underframe, a support square column is fixedly connected to the top surface of the triangular underframe, a bearing is fixedly sleeved on the top of the triangular underframe, a screw is fixedly sleeved on the inner side of the bearing, and a screw is fixedly sleeved on the screw. A top mounting seat is mounted at the top end of the supporting square column, a magnetic arc-shaped frame is fixedly connected to the side portion of the top mounting seat, and an inserting hole is formed in the top mounting seat. According to the device disclosed by the utility model, the clamping ring is used for supporting a large-volume sample, the rotating column is rotated to drive the screw rod to rotate, and the screw-thread fit between the screw rod and the movable frame is used for driving the movable frame and the clamping ring to move upwards, so that the sample is propped against the bottom surface of the magnetic arc-shaped frame, and the magnetic arc-shaped frame and the clamping ring are used for clamping and fixing the sample; the clamping stability of the magnetic arc-shaped frame and the clamping ring on the sample is ensured, and the working quality of the sample clamp of the X-ray diffractometer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material testing equipment technical field more specifically, relate to a kind of sample fixture of X-ray diffractometer. BACKGROUND

[0002] X-ray diffractometer is the diffractometer of the microstructure of internal substance, X-ray diffractometer is using diffraction principle, accurately determine the crystal structure of substance, texture and stress, accurately carry out phase analysis, qualitative analysis, quantitative analysis, widely used in metallurgy, petroleum, chemical industry, scientific research, aerospace, teaching, material production and other fields, when determining substance, need to utilize clamp to fix sample.

[0003] After searching, the utility model patent with publication number CN216978891U discloses a kind of sample fixture of X-ray diffractometer, including magnetic attraction piece, spring, support and support frame;The spring is sleeved on support, support frame is sleeved on the support, support frame and support are slidably connected, one end of spring is fixedly connected support, the other end of spring is fixedly connected support frame;The magnetic attraction piece is fixedly arranged at the top of support, the magnetic attraction piece and support frame are used to fixedly hold the sample of X-ray diffractometer, the support frame is circular support frame, circular support frame is used to fixedly hold blocky, powder or sheet sample, the support frame is V-shaped support frame, V-shaped support frame is used to fixedly hold large size sample, clamp overall design is support structure, save material, make clamp more portable and compact, and reduce its limitation to sample specification.But the above-mentioned patent still has following insufficient: the stability of sample fixed by the elastic force of spring is poor, sample is prone to fall, in addition, when circular support frame is used to support powder sample or small size blocky, sheet sample, sample is prone to fall when sample fixture is taken, need to keep vertical to take, practicability is poor, therefore we propose a kind of sample fixture of X-ray diffractometer. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims to provide a sample fixture of X-ray diffractometer.

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

[0006] The utility model provides a sample clamp of X ray diffractometer, including the top surface fixed connection of triangle chassis with support square column, the top fixed sleeve of triangle chassis has the bearing, the inboard fixed sleeve of bearing has screw rod, the top end of support square column is installed with top mounting seat, the side fixed connection of top mounting seat has magnetic attraction arc frame, is equipped with the jack -in hole on top mounting seat, the top end movable sleeve of screw rod is connected to the inner chamber of jack -in hole, the outside movable sleeve of support square column has movable frame, one end of movable frame and screw rod thread sleeve, the other side of movable frame is provided with thing mechanism, the side fixed sleeve of screw rod bottom is connected with rotary column, the top surface of support square column is equipped with screw hole.

[0007] As a preferred scheme of the utility model, the thing mechanism includes a clamping ring fixedly connected to the side of the movable frame, a support frame fixedly connected to the inner side of the clamping ring, a thing slot formed in the top surface of the support frame, a magnet block fixedly sleeved on the top surface of the support frame, and an iron sealing plate placed on the top surface of the clamping ring.

[0008] As a preferred scheme of the utility model, a countersunk hole is formed in the top mounting seat, a countersunk screw is sleeved in the inner chamber of the countersunk hole, and the bottom end of the countersunk screw is threadedly sleeved into the inner chamber of the screw hole.

[0009] As a preferred scheme of the utility model, a square clamping groove is formed in the bottom surface of the top mounting seat, the top end of the support square column is movably sleeved into the inner chamber of the square clamping groove, and the inner wall of the square clamping groove is in abutment with the side surface of the top end of the support square column.

[0010] As a preferred scheme of the utility model, the outer diameter of the clamping ring is equal to the outer diameter of the iron sealing plate.

[0011] As a preferred scheme of the utility model, the outer diameter of the top end of the screw rod is equal to the inner diameter of the jack-in hole.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) In the utility model, the clamping ring is used to support the large-volume sample, the rotary column is rotated to drive the screw rod to rotate, the movable frame and the clamping ring are driven to move upward through the thread cooperation between the screw rod and the movable frame, the bottom surface of the sample and the magnetic attraction arc frame abuts, the sample is clamped and fixed by the magnetic attraction arc frame and the clamping ring, the stability of the clamping of the sample by the magnetic attraction arc frame and the clamping ring is ensured, and the working quality of the sample clamp of the X ray diffractometer is improved.

[0014] (2) The utility model discloses a support groove on the support frame can place powder sample or small volume sample, and when taking the clamp and sample, cover the iron sealing plate on the clamping ring, utilize the magnetic attraction between the iron sealing plate and magnet block and fix the iron sealing plate, avoid taking the clamp and cause powder sample or small volume sample to drop, improve the working quality of the X ray diffraction instrument sample clamp. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model;

[0016] Figure 2 It is whole structure explosion drawing of the utility model;

[0017] Figure 3 It is structure schematic diagram of the utility model clamping ring;

[0018] Figure 4 It is structure schematic diagram of the utility model magnetic attraction arc -shaped frame;

[0019] Figure 5 It is structure schematic diagram of the utility model top mounting seat.

[0020] Mark explanation in drawing:

[0021] 1, triangular chassis;2, support square column;3, bearing;4, screw;5, rotating column;6, top mounting seat;7, magnetic attraction arc -shaped frame;8, movable frame;9, thing mechanism;10, jack;11, screw hole;12, clamping ring;13, support frame;14, thing groove;15, magnet block;16, iron sealing plate;17, counterbore;18, countersunk screw;19, square clamping groove. DETAILED DESCRIPTION

[0022] The technical schemes in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0023] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and so on should be understood broadly, for example, "connected", can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-5 A sample clamp of X-ray diffractometer, including triangle base frame 1, the top surface of triangle base frame 1 is fixedly connected with support square column 2, the top of triangle base frame 1 is fixedly sleeved with bearing 3, the inner side of bearing 3 is fixedly sleeved with screw rod 4, the top end of support square column 2 is installed with top mounting seat 6, the side of top mounting seat 6 is fixedly connected with magnetic suction arc-shaped frame 7, the top mounting seat 6 is provided with insertion hole 10, the top end of screw rod 4 is movably sleeved into the inner cavity of insertion hole 10, the outer side of support square column 2 is movably sleeved with movable frame 8, one end of movable frame 8 is threadedly sleeved with screw rod 4, the other side of movable frame 8 is provided with storage mechanism 9, the side of the bottom end of screw rod 4 is fixedly sleeved with rotating column 5, the top surface of support square column 2 is provided with screw hole 11.

[0027] In the embodiment, the structure of magnetic suction arc-shaped frame 7 is consistent with the clamping position of X-ray diffractometer.

[0028] Specifically, please refer to Figures 1 to 3 Storage mechanism 9 includes clamping ring 12 fixedly connected to the side of movable frame 8, the inner side of clamping ring 12 is fixedly connected with support frame 13, the top surface of support frame 13 is provided with storage groove 14, the top surface of support frame 13 is fixedly sleeved with magnet block 15, the top surface of clamping ring 12 is placed with iron sealing plate 16.

[0029] In the embodiment, the iron sealing plate 16 is fixed by the magnetic attraction between the magnet block 15 and the iron sealing plate 16.

[0030] Specifically, please refer toFigures 2 to 4 The top mounting base 6 is provided with a countersunk hole 17, the inner cavity of the countersunk hole 17 is sleeved with a countersunk screw 18, and the bottom end of the countersunk screw 18 is threadedly connected to the inner cavity of the threaded hole 11.

[0031] In this embodiment, the top mounting base 6 is mounted on the top end of the support square column 2 through the cooperation of the countersunk hole 17, the countersunk screw 18, and the threaded hole 11.

[0032] Specifically, please refer to Figure 1 , Figure 3 and Figure 5 The bottom surface of the top mounting base 6 is provided with a square clamping groove 19, the top end of the support square column 2 is movably sleeved into the inner cavity of the square clamping groove 19, and the inner wall of the square clamping groove 19 is in close contact with the side surface of the top end of the support square column 2.

[0033] In this embodiment, the square clamping groove 19 ensures that the top mounting base 6 is stably mounted on the top end of the support square column 2.

[0034] Specifically, please refer to Figure 2 The outer diameter of the clamping ring 12 is equal to the outer diameter of the iron sealing plate 16.

[0035] In this embodiment, the iron sealing plate 16 is stably placed on the top of the clamping ring 12.

[0036] Specifically, please refer to Figure 2 and Figure 4 The outer diameter of the top end of the screw rod 4 is equal to the inner diameter of the insertion hole 10.

[0037] In this embodiment, the outer side of the top end of the screw rod 4 is a light rod, which ensures that the light rod of the top end of the screw rod 4 is stably inserted into the inner cavity of the insertion hole 10.

[0038] Working principle: when it is necessary to clamp a large-volume sample during use, the sample is placed on the top of the clamping ring 12, at which time the rotating column 5 is rotated to drive the screw rod 4 to rotate, the clamping ring 12 and the sample are driven to move upward through the threaded cooperation between the screw rod 4 and the movable frame 8, so that the top of the sample abuts against the bottom surface of the magnetic arc-shaped frame 7, thereby fixing the sample between the magnetic arc-shaped frame 7 and the clamping ring 12, and then the clamp and the sample are taken and placed on the X-ray diffractometer, and the clamp and the sample are adsorbed on the X-ray diffractometer by the suction force of the magnetic arc-shaped frame 7.

[0039] When the powder sample or small volume sample needs to be clamped, the powder sample or small volume sample is placed into the storage groove 14, the iron sealing plate 16 is placed on the clamping ring 12 when the sample and the clamp are taken, the iron sealing plate 16 is fixed on the clamping ring 12 by the magnetic force between the magnet block 15 and the iron sealing plate 16, at this time the clamp is taken and adsorbed on the X-ray diffractometer, the iron sealing plate 16 is taken off from the clamping ring 12 after the clamp is fixed on the X-ray diffractometer, so that the sample can be analyzed by the X-ray diffractometer.

[0040] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the improvement concept of the present application, should be covered in the protection scope of the present application, if the person skilled in the art makes equivalent replacement or change within the technical range disclosed by the present application.

Claims

1. A sample holder for an X-ray diffractometer, comprising a triangular base (1), characterized in that: The top surface of the triangular base (1) is fixedly connected to a supporting square column (2). The top of the triangular base (1) is fixedly sleeved with a bearing (3). The inner side of the bearing (3) is fixedly sleeved with a screw (4). The top of the supporting square column (2) is equipped with a top mounting seat (6). The side of the top mounting seat (6) is fixedly connected with a magnetic arc frame (7). The top mounting seat (6) is provided with an insertion hole (10). The top of the screw (4) is movably sleeved into the inner cavity of the insertion hole (10). The outer side of the supporting square column (2) is movably sleeved with a movable frame (8). One end of the movable frame (8) is threadedly sleeved with the screw (4). The other side of the movable frame (8) is provided with a placement mechanism (9). The side of the bottom end of the screw (4) is fixedly sleeved with a rotating column (5). The top surface of the supporting square column (2) is provided with a screw hole (11).

2. The sample holder for an X-ray diffractometer according to claim 1, characterized in that: The storage mechanism (9) includes a clamping ring (12) fixedly connected to the side of the movable frame (8). A support frame (13) is fixedly connected to the inner side of the clamping ring (12). A storage slot (14) is opened on the top surface of the support frame (13). A magnet block (15) is fixedly sleeved on the top surface of the support frame (13). An iron sealing plate (16) is placed on the top surface of the clamping ring (12).

3. The sample holder for an X-ray diffractometer according to claim 1, characterized in that: The top mounting base (6) is provided with a countersunk hole (17), and a countersunk screw (18) is fitted into the inner cavity of the countersunk hole (17). The bottom end of the countersunk screw (18) is threaded into the inner cavity of the screw hole (11).

4. The sample holder for an X-ray diffractometer according to claim 1, characterized in that: The bottom surface of the top mounting base (6) is provided with a square slot (19), and the top end of the supporting column (2) is movably sleeved into the inner cavity of the square slot (19). The inner wall of the square slot (19) and the side of the top end of the supporting column (2) are in contact with each other.

5. The sample holder for an X-ray diffractometer according to claim 2, characterized in that: The outer diameter of the clamping ring (12) is equal to the outer diameter of the iron sealing plate (16).

6. The sample holder for an X-ray diffractometer according to claim 1, characterized in that: The outer diameter of the top end of the screw (4) is equal to the inner diameter of the socket (10).

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