Inductively coupled plasma mass spectrometer

Abstract

The utility model discloses an inductively coupled plasma mass spectrometer which comprises an inductively coupled plasma mass spectrometer main body, the left side of the inductively coupled plasma mass spectrometer main body is fixedly connected with a placing rack, and the left side of the rear side of the inductively coupled plasma mass spectrometer main body is fixedly connected with a connector lug. Through the arrangement of the placing rack and the test tube fixing mechanisms, when the inductively coupled plasma mass spectrometer performs sample analysis, the test tubes can be more stably fixed, the situation that the test tubes are moved due to vibration or improper operation and are damaged due to the fact that the test tubes severely fall to the ground is avoided, and through the arrangement of the multiple test tube fixing mechanisms, the multiple test tubes can be fixed; by arranging a top disc and a transmission shaft, an operator can easily adjust to adapt to test tubes with different diameters, the application range and the flexibility of the equipment are increased, and by arranging a clamping plate and a sponge clamping block, the test tubes can be effectively protected, and the test tubes are prevented from being damaged in the operation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plasma mass spectrometer, concretely is a kind of inductively coupled plasma mass spectrometer. BACKGROUND

[0002] Inductively coupled plasma mass spectrometer refers to a mass spectrometer using inductively coupled plasma, which mainly consists of a radio frequency generator, an induction coil, a sample introduction system, a mass spectrometer main body and the like. The radio frequency generator generates high-frequency current, which generates an alternating magnetic field through the induction coil, causing the sample gas to form plasma in the magnetic field. The sample introduction system introduces the sample to be tested into the plasma. The sample is ionized into charged particles under the action of high-temperature plasma. These charged particles are then separated and detected by the mass analyzer in the mass spectrometer main body, thereby realizing qualitative and quantitative analysis of elements in the sample.

[0003] According to the patent document CN212459511U, a novel inductively coupled plasma mass spectrometer is disclosed, which includes a mass spectrometer body. The lower part of the mass spectrometer body is provided with a bottom support that is compatible with it. The lower part of the bottom support is uniformly provided with a plurality of support rods in the vertical direction. Each support rod penetrates through a buffer plate arranged below the bottom support. A shock-absorbing washer is provided around the part of each support rod between the bottom support and the buffer plate. The lower half of each support rod is provided with an external thread, and the part of each support rod below the buffer plate is provided with a nut that is threadedly connected thereto. The lower ends of each support rod are connected to a base. Each base is provided with a connecting hole that cooperates with the gap of the support rod. A buffer spring is arranged between the lower end of the support rod and the bottom end of the connecting hole. The utility model realizes the shock-absorbing effect of the mass spectrometer body, reduces the noise generated by the mass spectrometer during operation due to vibration, and avoids the loosening of components caused by vibration, which affects the service life of the instrument.

[0004] Generally, when using an inductively coupled plasma mass spectrometer, the test tube needed for use is placed on a placement table. During operation, since the test tube is only placed flat on the placement table without being fixed, the test tube is prone to positional deviation due to the vibration of the mass spectrometer during use, resulting in the test tube falling off. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an inductively coupled plasma mass spectrometer to solve the problem of positional deviation of the test tube due to the vibration of the mass spectrometer during use, resulting in the test tube falling off, as mentioned in the background technology.

[0006] In order to achieve the above object, the utility model provides following technical scheme: an inductively coupled plasma mass spectrometer, including inductively coupled plasma mass spectrometer main part, the left side fixedly connected with placing frame of inductively coupled plasma mass spectrometer main part, the rear left side fixedly connected with binding post of inductively coupled plasma mass spectrometer main part;

[0007] The placing rack comprises a placing plate, and a plurality of test tube fixing mechanisms are fixedly connected to the top of the placing plate.

[0008] Preferably, the test tube fixing mechanism comprises a bottom shaft, an inner wall of the bottom shaft is fixedly connected to an inner wall of the placing plate, a screw rod is threadedly connected to an inner wall of the bottom shaft, the bottom of the screw rod extends to the bottom of the placing plate and is fixedly connected with a handle, the top of the bottom shaft extends to the top of the placing plate and is fixedly connected with a cross, and a sliding groove is formed in each of the four sides of the top of the cross.

[0009] Preferably, the top end of the screw rod extends to the top of the cross and is movably connected with a top disc, a top disc sliding groove is formed in each of the four sides of the top disc, and a transmission shaft is threadedly connected to one side of the inner side of the top disc and the cross.

[0010] Preferably, a rotating rod is rotatably connected to each of the upper and lower sides of the four sides of the outer wall of the transmission shaft, a clamping plate is rotatably connected to one side of each of the four rotating rods away from the transmission shaft, the outer wall top of each of the four clamping plates is slidably connected to the inner wall of each of the four top disc sliding grooves, a sponge clamping block is fixedly connected to the inner side top of each of the four clamping plates, a clamping plate sliding block is fixedly connected to the inner side bottom of each of the four clamping plates, and the outer wall of each of the four clamping plate sliding blocks is slidably connected to the inner wall of the sliding groove.

[0011] Preferably, the binding post comprises a binding warehouse bottom plate, a binding warehouse is fixedly connected to the top of the binding warehouse bottom plate, a plurality of binding ports are formed in the inner wall rear side of the binding warehouse, two clamping grooves that penetrate through the bottom are respectively formed in the top front side of the binding warehouse bottom plate, and a limiting cover is rotatably connected to the front side of the outer wall of the binding warehouse.

[0012] Preferably, a plurality of wire fixing grooves are respectively formed in the front side of the limiting cover, a pressing plate screw rod is threadedly connected to the top inner wall of the limiting cover, the top end of the pressing plate screw rod extends to the outer wall top of the limiting cover and is fixedly connected with a pressing plate screw rod handle, the bottom end of the pressing plate screw rod extends to the inner wall of the limiting cover and is movably connected with a pressing plate, the outer wall of the pressing plate is slidably connected to the inner wall of the limiting cover, a plurality of wire pressing grooves are respectively formed in the bottom of the pressing plate, and a clamping block is fixedly connected to each of the two sides of the clamping groove opposite to the bottom of the pressing plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. By setting the rack and test tube fixing mechanism, the inductively coupled plasma mass spectrometer can be more stably fixed when analyzing samples, avoiding the test tube position moving due to vibration or improper operation, and seriously falling to the ground causing test tube damage;

[0015] 2. By setting multiple test tube fixing mechanisms, multiple test tubes can be fixed, thereby improving overall work efficiency;

[0016] 3. By setting the top disc and transmission shaft, the operator can easily adjust to adapt to test tubes of different diameters, increasing the applicability and flexibility of the equipment;

[0017] 4. By setting the clamping plate and sponge clamping block, the test tube can be effectively protected to avoid damage during operation, and the sponge clamping block can also play a certain buffering role to reduce the impact of the test tube during vibration;

[0018] 5. By setting the terminal, the wiring of the inductively coupled plasma mass spectrometer is more convenient and safe, and the design of the limiting cover and the pressing plate can effectively fix and protect the wiring, avoiding equipment failure or safety accidents caused by loose or falling wiring;

[0019] 6. By setting the pressing plate screw rod and pressing plate, the operator can easily adjust the fastening degree of the wiring to ensure the stability and safety of the wiring, and the design of the wire pressing groove can effectively avoid the mutual interference between the wirings. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the main body of the utility model three-dimensional structure schematic diagram;

[0021] Figure 2 is the main body of the utility model side three-dimensional structure schematic diagram;

[0022] Figure 3 is the rack of the utility model three-dimensional structure schematic diagram;

[0023] Figure 4 is the test tube fixing mechanism of the utility model three-dimensional separation structure schematic diagram;

[0024] Figure 5 is the terminal of the utility model three-dimensional structure schematic diagram.

[0025] In the figure: 1, inductively coupled plasma mass spectrometer main body; 2, placing rack; 21, placing plate; 22, test tube fixing mechanism; 221, bottom shaft; 222, cross; 223, sliding groove; 224, screw rod; 225, handle; 226, top disc; 227, top disc sliding groove; 228, transmission shaft; 229, rotating rod; 2210, clamping plate; 2211, sponge clamping block; 2212, clamping plate sliding block; 3, wiring head; 31, wiring bin bottom plate; 32, clamping groove; 33, wiring bin; 34, wiring port; 35, limiting cover; 36, wire fixing groove; 37, pressing plate screw rod; 38, pressing plate screw rod handle; 39, pressing plate; 310, wire pressing groove; 311, clamping block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figure 1 The utility model provides a kind of technical scheme: a kind of inductively coupled plasma mass spectrometer, including inductively coupled plasma mass spectrometer main body 1, the left side of inductively coupled plasma mass spectrometer main body 1 is fixedly connected with placing rack 2, the rear left side of inductively coupled plasma mass spectrometer main body 1 is fixedly connected with wiring head 3.

[0028] Please refer to Figures 2-4The placing rack 2 comprises a placing plate 21, the top of the placing plate 21 is fixedly connected with a plurality of test tube fixing mechanisms 22, the test tube fixing mechanism 22 comprises a bottom shaft 221, the outer wall of the bottom shaft 221 is fixedly connected with the inner wall of the placing plate 21, the inner wall of the bottom shaft 221 is threadedly connected with a lead screw 224, the bottom of the lead screw 224 extends to the bottom of the placing plate 21 and is fixedly connected with a handle 225, the top of the bottom shaft 221 extends to the top of the placing plate 21 and is fixedly connected with a cross 222, the top of the cross 222 is provided with a sliding groove 223 at four edges respectively, the top end of the lead screw 224 extends to the top of the cross 222 and is movably connected with a top disc 226, the four edges of the top disc 226 are provided with a top disc sliding groove 227 respectively, the outer wall of the lead screw 224 is threadedly connected with a transmission shaft 228 on one side of the inner side of the cross 222 and the top disc 226, the upper and lower sides of the outer wall of the transmission shaft 228 are rotatably connected with a rotating rod 229, the side away from the transmission shaft 228 of the four groups of rotating rods 229 is rotatably connected with a clamping plate 2210, the outer wall top of the four clamping plates 2210 is slidably connected with the inner wall of the four top disc sliding grooves 227 respectively, the inner side top of the four clamping plates 2210 is fixedly connected with a sponge clamping block 2211, the inner side bottom of the four clamping plates 2210 is fixedly connected with a clamping plate sliding block 2212, the outer wall of the four clamping plate sliding blocks 2212 is slidably connected with the inner wall of the sliding groove 223;

[0029] When it is necessary to place the test tube, first, the test tube is placed on the middle of the top of the top disc 226, then the staff rotates the handle 225 at the bottom of the test tube fixing mechanism 22 of the placed test tube, so that the lead screw 224 rotates, after the rotation of the lead screw 224, the transmission transmission shaft 228 moves upward on the outer wall of the lead screw 224, so as to drive the rotating rod 229 to rotate an angle, and then the clamping plate 2210 is slid on the inner wall of the sliding groove 223 and the top disc sliding groove 227 by the change of the angle of the rotating rod 229, so as to realize the inward tightening of the plurality of clamping plates 2210, and the clamping of the test tube, when the clamping plate 2210 is tightened inward, the sponge clamping block 2211 will closely adhere to the outer wall of the test tube, so as to ensure that the test tube remains stable during the experiment.

[0030] Please refer to Figure 5The terminal 3 comprises a terminal compartment bottom plate 31, the top of the terminal compartment bottom plate 31 is fixedly connected with a terminal compartment 33, a plurality of terminal ports 34 are arranged on the rear inner wall of the terminal compartment 33, two clamping grooves 32 are respectively arranged on the top front side of the terminal compartment bottom plate 31 and penetrate through the bottom, a limiting cover 35 is rotatably connected to the front outer wall of the terminal compartment 33, a plurality of wire fixing grooves 36 are respectively arranged on the front side of the limiting cover 35, a pressing plate screw rod 37 is threadedly connected to the top inner wall of the limiting cover 35, the top end of the pressing plate screw rod 37 extends to the top outer wall of the limiting cover 35 and is fixedly connected with a pressing plate screw rod handle 38, the bottom end of the pressing plate screw rod 37 extends to the inner wall of the limiting cover 35 and is movably connected with a pressing plate 39, the outer wall of the pressing plate 39 is slidably connected to the inner wall of the limiting cover 35, a plurality of wire pressing grooves 310 are respectively arranged on the bottom of the pressing plate 39, and the bottom of the pressing plate 39 is fixedly connected with clamping blocks 311 on the two sides opposite to the clamping grooves 32.

[0031] When the inductively coupled plasma mass spectrometer is running, in order to prevent the power line from being loosened due to the vibration of the inductively coupled plasma mass spectrometer during operation and affecting the operation of the inductively coupled plasma mass spectrometer, after the connector is inserted into the inner wall of the terminal port 34, the worker rotates the limiting cover 35 so that the limiting cover 35 is aligned with the top of the terminal compartment bottom plate 31, then the worker rotates the pressing plate screw rod handle 38 to make the pressing plate screw rod 37 move downward, thereby driving the pressing plate 39 to slide along the inner wall of the limiting cover 35, when the wire pressing grooves 310 of the pressing plate 39 are aligned with the top of the terminal compartment bottom plate 31, the pressing plate 39 presses the line on the rear side of the connector through the wire pressing grooves 310, and the clamping blocks 311 are clamped into the inner wall of the clamping grooves 32, so that the terminal 3 is firmly fixed on the terminal compartment bottom plate 31. In this way, even if the inductively coupled plasma mass spectrometer vibrates during operation, the terminal 3 will not be loosened to affect the normal operation of the instrument. Through this structural design, the stability and reliability of the inductively coupled plasma mass spectrometer are ensured, thereby improving the accuracy and repeatability of experimental data.

[0032] Working principle: when the test tube needs to be placed, first place the test tube on the middle part of the top disc 226, then rotate the handle 225 at the bottom of the test tube fixing mechanism 22 of the placed test tube, so that the screw rod 224 rotates, the transmission shaft 228 moves upward on the outer wall of the screw rod 224 after the screw rod 224 rotates, thereby driving the rotating rod 229 to rotate an angle, and then pulling the clamping plates 2210 to slide on the inner wall of the sliding groove 223 and the top disc sliding groove 227 through the change of the angle of the rotating rod 229, so as to realize the inward tightening of the plurality of clamping plates 2210 and clamp the test tube, when the clamping plates 2210 are tightened inward, the sponge clamping blocks 2211 will tightly adhere to the outer wall of the test tube, so as to ensure that the test tube remains stable during the experiment.

[0033] When the inductively coupled plasma mass spectrometer is running, in order to prevent the power line from being loosened due to the inductively coupled plasma mass spectrometer running jitter, thereby affecting the operation of the inductively coupled plasma mass spectrometer, when the connector is inserted into the inner wall of the wiring port 34, the staff rotates the limiting cover 35, so that the limiting cover 35 is aligned with the top of the wiring bin bottom plate 31, then the staff rotates the pressing plate screw rod handle 38, so that the pressing plate screw rod 37 moves downward, thereby driving the pressing plate 39 to slide along the inner wall of the limiting cover 35, when the pressing line groove 310 of the pressing plate 39 is aligned with the top of the wiring bin bottom plate 31, the pressing plate 39 presses the line on the rear side of the connector through the pressing line groove 310, the pressing plate 39 clamps the block 311 into the inner wall of the clamping groove 32, thereby firmly fixing the connector 3 on the wiring bin bottom plate 31, so that even if the inductively coupled plasma mass spectrometer is jittered during operation, the connector 3 will not be loosened to affect the normal operation of the instrument, through this structure design, the stability and reliability of the inductively coupled plasma mass spectrometer are ensured, thereby improving the accuracy and repeatability of the experimental data.

[0034] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An inductively coupled plasma mass spectrometer, comprising an inductively coupled plasma mass spectrometer body (1), characterized in that: The left side of the inductively coupled plasma mass spectrometer main body (1) is fixedly connected to a placement rack (2), and the left side of the rear side of the inductively coupled plasma mass spectrometer main body (1) is fixedly connected to a wiring head (3); The placement rack (2) comprises a placement plate (21), and a plurality of test tube fixing mechanisms (22) are fixedly connected to the top of the placement plate (21); The test tube fixing mechanism (22) includes a bottom shaft (221), the outer wall of the bottom shaft (221) is fixedly connected to the inner wall of the placement plate (21), the inner wall of the bottom shaft (221) is threadedly connected to a screw rod (224), the bottom of the screw rod (224) extends to the bottom of the placement plate (21) and is fixedly connected to a handle (225), the top of the bottom shaft (221) extends to the top of the placement plate (21) and is fixedly connected to a cross (222), and the top four sides of the cross (222) are respectively provided with sliding grooves (223); The top end of the screw rod (224) extends to the top of the cross (222) and is movably connected to a top plate (226). Top plate sliding grooves (227) are respectively provided on the four sides of the top plate (226). The outer wall of the screw rod (224) is threadedly connected to a transmission shaft (228) on one side of the top plate (226) and the inner side of the cross (222); The upper and lower sides of the four sides of the outer wall of the transmission shaft (228) are rotatably connected to the rotating rods (229), and the four groups of rotating rods (229) are rotatably connected to the side away from the transmission shaft (228) with the clamping plates (2210). The top of the outer wall of the four clamping plates (2210) are respectively slidably connected to the inner wall of the four top plate slide grooves (227). The top of the inner side of the four clamping plates (2210) are fixedly connected to the sponge clamping blocks (2211). The bottom of the inner side of the four clamping plates (2210) are fixedly connected to the clamping plate sliders (2212). The outer walls of the four clamping plate sliders (2212) are slidably connected to the inner wall of the slide groove (223).

2. The inductively coupled plasma mass spectrometer according to claim 1, wherein: The wiring head (3) comprises a wiring compartment bottom plate (31), a wiring compartment (33) is fixedly connected to the top of the wiring compartment bottom plate (31), a plurality of wiring ports (34) are provided on the rear side of the inner wall of the wiring compartment (33), two card slots (32) extending through the bottom are provided on the front side of the top of the wiring compartment bottom plate (31), and a limiting cover (35) is rotatably connected to the front side of the outer wall of the wiring compartment (33).

3. The inductively coupled plasma mass spectrometer according to claim 2, wherein: The front side of the limiting cover (35) is respectively provided with a plurality of fixed wire grooves (36), the top inner wall of the limiting cover (35) is threadedly connected to a pressure plate screw rod (37), the top end of the pressure plate screw rod (37) extends to the top of the outer wall of the limiting cover (35) and is fixedly connected to a pressure plate screw rod handle (38), the bottom end of the pressure plate screw rod (37) extends to the inner wall of the limiting cover (35) and is movably connected to a pressure plate (39), the outer wall of the pressure plate (39) is slidably connected to the inner wall of the limiting cover (35), the bottom of the pressure plate (39) is respectively provided with a plurality of pressure wire grooves (310), and the bottom of the pressure plate (39) is fixedly connected to the two sides of the card slot (32) with a card block (311).

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