Sample introduction mechanism of spectrograph

Abstract

The sample introduction mechanism comprises a machine body, at least one containing cavity is formed in the machine body, a connecting frame is arranged in the containing cavity, a first spring is arranged outside the connecting frame, the connecting frame is connected with a sample box in an inserted mode, and the sample box extrudes the first spring when moving towards the bottom of the containing cavity in the axial direction of the containing cavity. And the whole sample box is hidden in the accommodating cavity. The sample boxes are inserted into the machine body, the sample boxes can be inserted into the corresponding connecting frames, the cover plate is rotated to make contact with the machine body, the inserting grooves and the corresponding inserting blocks are located on the same central axis, and the cover plate can be rapidly fixed by inserting the inserting blocks into the corresponding inserting grooves. The cover plate can extrude the connecting frame through the sample box and extrude the corresponding first spring to compress the connecting frame, and the first spring can push the sample box to pop out without external force, so that the sample box is quickly stored.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spectrometer, especially a sample feeding mechanism of spectrometer. BACKGROUND

[0002] The sample feeding mechanism of the spectrometer plays a vital role in the whole spectral analysis process, and it shoulders the heavy responsibility of accurately, efficiently and stably delivering the sample to be detected to the core detection area of the spectrometer.

[0003] The utility model discloses an inductance coupling plasma emission spectrometer's sample feeding mechanism, including inductance coupling plasma emission spectrometer body, the front end surface of inductance coupling plasma emission spectrometer body is installed with the box, the upper end surface of box is installed with the inlet pipe, the front of inlet pipe outer surface is equipped with the fixed ring, the upper end surface and the lower end surface of fixed ring all are installed with electric push rod, the other end of electric push rod is fixedly connected with arc clamping plate, the upper of box front end surface is provided with horizontal groove A, the inside of horizontal groove A is provided with the plugboard, the upper end surface of plugboard is provided with recess.

[0004] For the related technology in the above, the inventor finds that there are the following defects: the above scheme can pretreat the sewage sample, prevent large particle impurities from damaging the inductance coupling plasma emission spectrometer body, and facilitate the disassembly and assembly of the horizontal plate and the filter plate, cleaning and ensuring the filtering effect, but the device cannot quickly store the sample box, which can easily cause sample confusion, and the lack of storage function can make the management of the sample box complex and difficult to classify and manage different types and batches of samples. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the insufficient of prior art, provides a kind of sample feeding mechanism of spectrometer, by inserting sample box into body, can realize to the quick storage of sample box.

[0006] The utility model aims at overcoming the insufficient of prior art, provides a kind of sample feeding mechanism of spectrometer, by inserting sample box into body, can realize to the quick storage of sample box.

[0007] A kind of sample feeding mechanism of spectrometer, including body, at least one accommodating cavity is equipped on the body, connecting frame is equipped in the accommodating cavity, first spring is equipped outside the connecting frame, sample box is connected by plug-in, when sample box moves along accommodating cavity axial direction towards accommodating cavity cavity bottom, extrude first spring, and make sample box whole hide in accommodating cavity;

[0008] The machine body is provided with a cover plate, which is used for opening or closing the accommodating cavity.

[0009] Further, the machine body is provided with a fixing block, the first end of the cover plate is hinged to the fixing block, and the second end of the cover plate is fixed to the machine body through a fixing assembly.

[0010] Further, the fixing assembly comprises a sliding block and a plug-in block arranged on the sliding block, the machine body is provided with a sliding groove, the sliding block is in sliding connection with the sliding groove, and a second spring is arranged between the end, away from the cover plate, of the sliding block and the groove wall of the sliding groove.

[0011] The second end of the cover plate is provided with a plug-in groove matched with the plug-in block, and the second end of the cover plate is fixed to the machine body through the plug-in groove and the plug-in block.

[0012] Further, the middle part of the machine body is provided with a support plate for mounting a sampling plate, and the machine body is further provided with a clamping mechanism capable of adjusting the angle of the clamping joint, and the clamping mechanism is used for fixing a sampling needle.

[0013] Further, the clamping mechanism comprises a connecting arm and a clamping plate, the first end of the connecting arm is in rotary connection with a connecting block on the machine body through a damping rotary shaft, the second end of the connecting arm is fixed to the clamping plate, and the clamping plate is provided with a clamping portion for clamping the sampling needle.

[0014] Further, the connecting arm is in an arc-shaped structure.

[0015] Further, the machine body is provided with a square groove, the support plate is matched with the square groove and arranged in the square groove, and the bottom of the support plate is provided with a threaded sleeve.

[0016] A connecting column is arranged between the support plate and the bottom of the square groove, the middle part of the connecting column is provided with a through hole, a screw rod is in rotary connection with the through hole, the bottom end of the screw rod extends out of the through hole, and the top end of the screw rod is in threaded connection with the threaded sleeve.

[0017] Further, the bottom end of the screw rod is provided with a rotary portion.

[0018] Further, the upper surface of the support plate is provided with a support protrusion, the support protrusion is provided with a mounting groove, and the sampling plate is arranged in the mounting groove.

[0019] The machine body is provided with a cover plate, which is used for opening or closing the accommodating cavity.

[0020] 1) This utility model inserts the sample box into the machine body. During this process, the sample box will be inserted into the corresponding connecting frame. Then, the cover plate is rotated to make it contact the machine body. At this time, the slot and the corresponding plug are on the same central axis. Then, the cover plate can be quickly fixed by inserting the plug into the corresponding slot. At this time, the cover plate will be compressed by the sample box pressing the connecting frame and the corresponding first spring. Without the action of external force, the first spring will push the sample box to pop out, so as to realize the quick storage of the sample box.

[0021] 2) When in use, rotate the rotating part, which drives the screw to rotate synchronously. The screw drives the support plate to rise and fall through the threaded sleeve, thereby adjusting the height of the sampling plate to facilitate sampling. The vertical movement of the sampling plate allows for rapid adjustment of the injection mechanism at different heights. Attached Figure Description

[0022] Figure 1 This is a perspective view of the sample introduction mechanism of the spectrometer in an embodiment of the present invention;

[0023] Figure 2 This is a top view of the sample introduction mechanism of the spectrometer;

[0024] Figure 3 for Figure 2 Sectional view along line AA;

[0025] Figure 4 for Figure 2 Sectional view along the BB direction;

[0026] Figure 5 A three-dimensional view of the connecting frame, the first spring, and the sample box;

[0027] Figure 6 A three-dimensional view of the threaded sleeve, connecting post, screw, and rotating part;

[0028] In the diagram, 1. Body; 2. Receiving cavity; 3. Connecting frame; 4. First spring; 5. Sample box; 6. Cover plate; 7. Fixing block; 8. Fixing assembly; 9. Slider; 10. Insertion block; 11. Slide groove; 12. Second spring; 13. Insertion groove; 14. Support plate; 15. Sampling needle; 16. Sampling plate; 17. Connecting arm; 18. Clamping plate; 19. Square groove; 20. Threaded sleeve; 21. Connecting column; 22. Screw; 23. Rotating part; 24. Support protrusion; 25. Connecting block. Detailed Implementation

[0029] The technical solutions of the present application will be described clearly and completely below in connection with the embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative effort are within the scope of the present application.

[0030] Referring to Figures 1-6 , the present application provides a technical solution:

[0031] Embodiments:

[0032] As Figures 1-6 shown, a sample feeding mechanism of a spectrometer, comprising a machine body 1, at least one accommodating cavity 2 is arranged on the machine body 1, a connecting frame 3 is arranged in the accommodating cavity 2, a first spring 4 is arranged outside the connecting frame 3, a sample box 5 is connected to the connecting frame 3 in a plug-in manner, and the sample box 5 is pressed when moving axially along the accommodating cavity 2 towards the bottom of the accommodating cavity 2, and the first spring 4 is pressed, and the sample box 5 is hidden in the accommodating cavity 2 as a whole.

[0033] A cover plate 6 is arranged on the machine body 1, and the cover plate 6 is used to open or close the accommodating cavity 2. A fixed block 7 is arranged on the machine body 1, the fixed block 7 is an arc-shaped plate structure, the fixed block 7 is arranged on both sides of a first end of the cover plate 6 and is hingedly connected to the cover plate 6, and a second end of the cover plate 6 is fixed to the machine body 1 through a fixing assembly 8.

[0034] As Figure 1 and Figure 3 shown, the fixing assembly 8 comprises a sliding block 9 and a plug-in block 10 arranged on the sliding block 9, a sliding groove 11 is arranged on the machine body 1, the sliding block 9 is in sliding connection with the sliding groove 11, and a second spring 12 is arranged between an end of the sliding block 9 away from the cover plate 6 and a groove wall of the sliding groove 11.

[0035] A plug-in groove 13 matched with the plug-in block 10 is arranged at the second end of the cover plate 6, and the second end of the cover plate 6 is fixed to the machine body 1 through the plug-in groove 13 and the plug-in block.

[0036] Wherein, 1, the sliding groove 11 can be but not limited to T-shaped slot, dovetail groove. In this embodiment, a cavity is arranged below the sliding groove 11, the second spring 12 is arranged in the cavity, and one end of the spring is fixed away from the end of the cavity away from the cover plate 6, the other end of the spring is fixedly connected with a connecting piece, the connecting piece is extended out of the sliding groove 11 and connected with the sliding block 9, the connecting piece includes a circular plate with a diameter greater than the width of the sliding groove 11 and a straight plate with a width less than the width of the sliding groove 11. The straight plate is extended out of the sliding groove 11 and connected with the sliding block 9. By arranging the cavity, the radial deformation of the spring can be avoided, and the reset effect of the spring is guaranteed. 2, In this embodiment, the sample box 5 is a circular tube structure, and the bottom is provided with a plug-in rod matched with the connecting frame 3. 3, The connecting frame 3 is a T-shaped main body, and the middle part is provided with a plug-in hole matched with the plug-in rod. 4, The first spring 4 is sleeved outside the small size end of the connecting frame 3, and the two ends of the first spring 4 are respectively abutted with the large size end of the connecting frame 3 and the bottom of the containing cavity 2. Wherein, there is a gap between the bottom of the connecting frame 3 and the containing cavity 2, so as to ensure that the spring has a compression space.

[0037] Working principle: slide the sliding block 9, when the sliding block 9 slides, the second spring 12 is extruded, and the plug block is separated from the plug-in slot 13, at this time the second end of the cover plate 6 is in a free state; rotate the second end of the cover plate 6, the cover plate 6 rotates around the first end, and then the containing cavity 2 can be opened.

[0038] After the containing cavity 2 is opened, the sample tube is put in, and the sample tube is fixedly connected with the connecting frame 3. Then press the sample tube downward, the sample tube drives the connecting frame 3 and the sample tube to move downward, and the first spring 4 is compressed in the process; when the sample tube completely enters the containing cavity 2, rotate the cover plate 6 to close the top opening of the containing cavity 2.

[0039] Then release the sliding block 9, the sliding block 9 and the plug block move towards the plug-in slot 13 under the action of the second spring 12, until the plug block is plugged into the plug-in slot 13. At this time, the freedom of the second end of the cover plate 6 is limited, and the cover plate 6 is fixed on the machine body 1. When the cover plate 6 is opened by repeating the foregoing action, the sample tube in the containing cavity 2 can be quickly ejected under the action of the first spring 4, and then the sample tube can be quickly taken.

[0040] The utility model discloses a sample box 5 is inserted into the machine body 1 in the process, the sample box 5 will be inserted into the corresponding connecting frame 3, then rotate the cover plate 6 and make it contact with the machine body 1, at this time the plug groove will be on the same central axis with the corresponding plug block, then by the plug block is plugged into the corresponding plug groove can the cover plate 6 is quickly fixed, at this time the cover plate 6 will extrude the connecting frame 3 through the sample box 5 and extrude the corresponding first spring 4 and make it compression, and the first spring 4 will push the sample box 5 and eject under the action of no external force, realize to the sample box 5 is quickly stored.

[0041] Further, as Figure 1 , Figure 2 andFigure 6 As shown, the middle of the body 1 is provided with a support plate 14 for mounting a sampling plate 16, and the body 1 is further provided with a clamping mechanism capable of adjusting the clamping angle, which is used for fixing a sampling needle 15, and the sampling plate 16 is correspondingly arranged with the sampling needle 15.

[0042] The clamping mechanism comprises a clamping plate 18 and an arc-shaped connecting arm 17, the first end of the connecting arm 17 is rotationally connected with a connecting block 25 on the body 1 through a damping rotating shaft, the second end of the connecting arm 17 is fixed with the clamping plate 18, and the clamping plate 18 is provided with a clamping part for clamping the sampling needle 15. Wherein the clamping part is C-shaped when viewed from above.

[0043] The body 1 is provided with a square slot 19, the support plate 14 is adapted to (here, the adaptation means that the support plate 14 can be exactly put into the square slot 19, and there is no displacement space between the four sides of the support plate 14 and the square slot 19) and arranged in the square slot 19, and the bottom of the support plate 14 is fixedly provided with a threaded sleeve 20.

[0044] In use, the position of the clamping arm can be adjusted by rotating the connecting arm 17, and then the clamping angle of the sampling needle 15 is adjusted.

[0045] The support plate 14 and the bottom of the square slot 19 are provided with a connecting column 21, the middle of the connecting column 21 is provided with a through hole, a screw rod 22 is rotationally connected in the through hole, the bottom end of the screw rod 22 extends out of the through hole, and the top end of the screw rod 22 is threadedly connected with the threaded sleeve 20.

[0046] The bottom end of the screw rod 22 is provided with a rotating part 23.

[0047] The upper surface of the support plate 14 is provided with a support protrusion 24, the support protrusion 24 is provided with a mounting slot, and the sampling plate 16 is arranged in the mounting slot.

[0048] In use, the rotating part 23 is rotated, the rotating part 23 drives the screw rod 22 to rotate synchronously, the screw rod 22 drives the support plate 14 to ascend and descend through the threaded sleeve 20 (because the square slot 19 limits the support plate 14, the support plate 14 cannot rotate, so under the action of the screw rod 22, the threaded sleeve 20 can only move axially, thereby realizing the ascending and descending of the support plate 14), and then the height of the sampling plate 16 is adjusted to facilitate sampling; the vertical movement of the sampling plate 16 quickly adjusts the sampling mechanism of different heights.

[0049] The above merely describes preferred embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A sample introduction mechanism for a spectrometer, characterized by: The machine body is provided with at least one accommodating cavity, and a connecting frame is arranged in the cavity. A cover plate is arranged on the machine body, and the cover plate is used to open or close the accommodating cavity.

2. The sample introduction mechanism of the optical spectrometer of claim 1, wherein: A fixing block is arranged on the machine body, and a first end of the cover plate is hinged to the fixing block.

3. The sample introduction mechanism of a spectrometer according to claim 2, wherein: A second end of the cover plate is fixed to the machine body through a fixing assembly. The fixing assembly comprises a sliding block and a plug-in block arranged on the sliding block.

4. The sample introduction mechanism of the optical spectrometer of claim 1, wherein: The machine body is provided with a sliding groove, and the sliding block is in sliding connection with the sliding groove.

5. The sample introduction mechanism of a spectrometer according to claim 4, wherein: The second end of the cover plate is provided with a plug-in groove matched with the plug-in block.

6. The sample introduction mechanism of the optical spectrometer of claim 5, wherein: The second end of the cover plate is fixed to the machine body through the plug-in groove and the plug-in block.

7. The sample introduction mechanism of the optical spectrometer of claim 4, wherein: A support plate for mounting a sampling plate is arranged in the middle of the machine body. An adjustable clamping mechanism for adjusting the angle of the clamping mechanism is arranged on the machine body.

8. The sample introduction mechanism of a spectrometer according to claim 7, wherein: The clamping mechanism is used to fix a sampling needle.

9. The sample introduction mechanism of the optical spectrometer of claim 7, wherein: The clamping mechanism comprises a connecting arm and a clamping plate. A first end of the connecting arm is in rotary connection with a connecting block on the machine body through a damping rotary shaft. A second end of the connecting arm is fixed to the clamping plate. The clamping plate is provided with a clamping portion for clamping the sampling needle. The connecting arm is in arc-shaped structure. A square groove is arranged on the machine body. The support plate is matched with the square groove and arranged in the square groove. A threaded sleeve is arranged at the bottom of the support plate. A connecting column is arranged between the support plate and the bottom of the square groove. A through hole is arranged in the middle of the connecting column. A screw rod is in rotary connection in the through hole. The bottom end of the screw rod extends out of the through hole. The top end of the screw rod is in threaded connection with the threaded sleeve. The bottom end of the screw rod is provided with a rotary portion. A support protrusion is arranged on the upper surface of the support plate. An installation groove is arranged on the support protrusion. The sampling plate is arranged in the installation groove.

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