Inductively coupled plasma mass spectrometer convenient for positioning sample

Abstract

The utility model relates to the technical field of inductively coupled plasma mass spectrometers, and discloses an inductively coupled plasma mass spectrometer convenient for positioning a sample, which comprises a machine body, a controller arranged at the right upper corner of the front end of the machine body, a peristaltic pump arranged below the controller, a sampling port arranged at the left side of the peristaltic pump, and a sampling port arranged at the right side of the sampling port. A hose is movably connected to the outer side of the sampling opening, an adjustable lifting mechanism facilitating sample positioning is arranged at the lower right corner of the front end of the machine body, a sample container is placed on a supporting plate, a first handle is rotated, the first handle drives a first lead screw to rotate, and the first lead screw rotates to enable a connecting rod to slide left and right on the first lead screw; rotation of the connecting rod drives the first supporting rod and the second supporting rod to move at an angle, the top end of the second supporting rod slides left and right in the sliding groove, and therefore height change of the supporting plate is achieved, and positioning measurement of sample containers with different heights is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of inductively coupled plasma mass spectrometers, in particular to an inductively coupled plasma mass spectrometer which is convenient for positioning samples. Background Art

[0002] The inductively coupled plasma mass spectrometer is composed of a plasma generator, a nebulizer, a torch, a quadrupole mass spectrometer and a fast-channel electron multiplier tube. It is an analytical instrument used in the fields of chemistry, biology, agronomy and forestry.

[0003] The sample for testing is weighed, and the corresponding acid solution is added. After heating and digestion, the sample is fixed to volume, shaken and placed on the inductively coupled plasma mass spectrometer test plate to wait for testing. The inductively coupled plasma mass spectrometer sample test plate on the market is currently close to the sampling port and only has the function of placement. The tester needs to use other equipment to assist in fixing the test plate. The test plate has a small placement space and cannot meet the positioning and measurement of different sample containers during the test.

[0004] Now, an inductively coupled plasma mass spectrometer which is convenient for positioning samples is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an inductively coupled plasma mass spectrometer that is convenient for positioning samples, so as to solve the problem in the background art that different sample containers cannot be positioned for measurement during the test process.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inductively coupled plasma mass spectrometer for facilitating the positioning of samples, comprising a body, a controller is arranged at the upper right corner of the front end of the body, a peristaltic pump is installed below the controller, a sampling port is installed on the left side of the peristaltic pump, a hose is movably connected to the outside of the sampling port, and an adjustable lifting mechanism for facilitating the positioning of samples is arranged at the lower right corner of the front end of the body;

[0007] The adjustable lifting mechanism includes a base frame, which is welded to the lower right corner of the fuselage, two groups of first connecting seats are fixedly connected to the left side of the top of the base frame, a second connecting seat is arranged in the middle of the top of the base frame, a first rolling screw rod is arranged on the right side of the top of the base frame, a first handle is welded to the right side of the first screw rod, a connecting rod is sleeved on the outer side of the first screw rod, a support plate is arranged above the base frame, slide grooves are respectively arranged on the right sides of the front and rear ends of the support plate, second support rods are respectively movably connected between the two groups of the first connecting seats and the front and rear ends of the support plate, and the connecting rod and the front and rear ends of the support plate are respectively movably connected with the first support rod.

[0008] Preferably, the upper end of the second support rod matches the size of the slide groove, and the upper end of the second support rod can slide left and right along the slide groove.

[0009] Preferably, the inner thread in the middle of the connecting rod matches the outer thread of the first screw rod, and the connecting rod can slide left and right along the first screw rod.

[0010] Preferably, the two groups of the first support rods and the second support rods are movably connected, the outer contour of the support plate matches the outer contour shape and size of the fuselage, and the support plate can move up and down along the fuselage.

[0011] Preferably, a fixing plate is provided at the rear end of the base frame, a fixing seat is provided in the middle of the rear end of the fixing plate, a second handle is provided on the right side of the fixing seat, a second screw rod is provided inside the fixing seat, two groups of drive blocks are sleeved on the outside of the second screw rod, the top ends of the two groups of drive blocks are fixedly connected with a clamping arm, and a clamping pad is installed on one side of the clamping arm.

[0012] Preferably, the inner dimensions of the two groups of clamping arms match the outer dimensions of the fixing plate, and the two groups of clamping arms can slide left and right on the fixing plate.

[0013] Preferably, six groups of support plates are fixedly connected to the bottom end of the fuselage, six groups of sleeves are arranged below the fuselage, and shock-absorbing springs are installed inside the sleeves.

[0014] Preferably, the bottom end of the sleeve is made of rubber material, and the support plate is movably connected to the outer side of the sleeve by bolts.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) A base frame, a first connecting seat, a second connecting seat, a first screw rod, a first handle, a connecting rod, a first support rod, a second support rod, a support plate and a slide groove are provided. When in use, the sample container is placed on the support plate, and the first handle is rotated. The first handle drives the first screw rod to rotate. The rotation of the first screw rod enables the connecting rod to slide left and right on the first screw rod. The rotation of the connecting rod drives the first support rod and the second support rod to move at an angle. The top end of the second support rod slides left and right in the slide groove, thereby realizing the height change of the support plate, thereby meeting the positioning measurement of sample containers of different heights;

[0017] (2) By providing a fixing plate, a fixing seat, a second handle, a second screw rod, a driving block, a driving arm and a clamping pad, when in use, the second handle is rotated, the first handle drives the second screw rod to rotate, the rotation of the first screw rod drives the driving block to move left and right, and the driving block drives the clamping arm to move left and right, thereby achieving clamping and fixing of the sample container;

[0018] (3) By providing a support plate, a shock-absorbing spring and a sleeve, when in use, a sleeve is provided under the machine body, and a shock-absorbing spring is provided inside the sleeve. The instrument applies force to the shock-absorbing spring through the support plate. While the shock-absorbing spring maintains elasticity, it can provide appropriate stiffness and damping to the instrument. An anti-slip pad is provided at the bottom of the sleeve to avoid the influence of the machine's own and external vibrations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 It is a rear view schematic diagram of the fixing plate of the utility model;

[0022] Figure 4 It is a schematic diagram of the side cross-sectional structure of the clamping arm of the utility model;

[0023] Figure 5 It is a schematic diagram of the top structure of the utility model.

[0024] In the figure: 1. body; 2. controller; 3. sampling port; 4. peristaltic pump; 5. hose; 6. base frame; 7. first connecting seat; 8. second connecting seat; 9. first screw rod; 10. first handle; 11. connecting rod; 12. first support rod; 13. second support rod; 14. support plate; 15. slide groove; 16. fixing plate; 17. fixing seat; 18. second handle; 19. second screw rod; 20. driving block; 21. clamping arm; 22. clamping pad; 23. support plate; 24. shock-absorbing spring; 25. sleeve. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-5 , an inductively coupled plasma mass spectrometer for locating samples, comprising a body 1, a controller 2 is arranged at the upper right corner of the front end of the body 1, a peristaltic pump 4 is arranged below the controller 2, a sampling port 3 is arranged on the left side of the peristaltic pump 4, and a hose 5 is movably connected to the outer side of the sampling port 3;

[0027] See also Figure 1-5The inductively coupled plasma mass spectrometer for locating samples also includes an adjustable lifting mechanism. An adjustable lifting mechanism for locating samples is provided at the lower right corner of the front end of the fuselage 1. The adjustable lifting mechanism includes a base frame 6, which is welded to the lower right corner of the fuselage 1. Two groups of first connecting seats 7 are fixedly connected to the left side of the top of the base frame 6. A second connecting seat 8 is provided in the middle of the top of the base frame 6. A first rolling screw 9 is provided on the right side of the top of the base frame 6. A first handle 10 is welded to the right side of the first screw 9. A connecting rod 11 is sleeved on the outer side of the first screw 9. A support plate 14 is provided above the base frame 6. Slide grooves 15 are respectively provided on the right sides of the front and rear ends of the support plate 14. Second support rods 13 are respectively movably connected between the two groups of first connecting seats 7 and the front and rear ends of the support plate 14. The connecting rod 11 and the front and rear ends of the support plate 14 are respectively movably connected with the first support rod 12.

[0028] The upper end of the second support rod 13 matches the size of the slide groove 15, and the upper end of the second support rod 13 can slide left and right along the slide groove 15. The inner thread of the middle of the connecting rod 11 matches the outer thread of the first screw rod 9, and the connecting rod 11 can slide left and right along the first screw rod 9. The two groups of first support rods 12 and second support rods 13 are movably connected. The outer contour of the support plate 14 matches the outer contour shape and size of the fuselage 1, and the support plate 14 can move up and down along the fuselage 1;

[0029] Specifically, Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, when in use, the sample container is placed on the support plate 14, and the first handle 10 is rotated. The first handle 10 drives the first screw rod 9 to rotate. The rotation of the first screw rod 9 allows the connecting rod 11 to slide left and right on the first screw rod 9. The rotation of the connecting rod 11 drives the first support rod 12 and the second support rod 13 to move at an angle, and the top end of the second support rod 13 slides left and right in the slide groove 15, thereby realizing the height change of the support plate 14, thereby meeting the positioning measurement of sample containers of different heights.

[0030] Embodiment 2: A fixing plate 16 is provided at the rear end of the base frame 6, a fixing seat 17 is provided in the middle of the rear end of the fixing plate 16, a second handle 18 is provided on the right side of the fixing seat 17, a second screw rod 19 is provided inside the fixing seat 17, two sets of driving blocks 20 are sleeved on the outside of the second screw rod 19, the top ends of the two sets of driving blocks 20 are fixedly connected with a clamping arm 21, and a clamping pad 22 is installed on one side of the clamping arm 21;

[0031] The inner dimensions of the two sets of clamping arms 21 match the outer dimensions of the fixing plate 16, and the two sets of clamping arms 21 can slide left and right on the fixing plate 16;

[0032] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, when in use, the second handle 18 is rotated, the first handle 10 drives the second screw 19 to rotate, the rotation of the first screw 9 drives the drive block 20 to move left and right, the drive block 20 drives the clamping arm 21 to move left and right, thereby achieving clamping and fixing of the sample container.

[0033] Embodiment 3: Six sets of support plates 23 are fixedly connected to the bottom end of the fuselage 1, and six sets of sleeves 25 are arranged below the fuselage 1. Shock-absorbing springs 24 are installed inside the sleeves 25. The bottom end of the sleeves 25 is made of rubber material, and the support plates 23 are movably connected to the outer sides of the sleeves 25 by bolts;

[0034] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, when in use, a sleeve 25 is provided under the body, and a shock-absorbing spring 24 is provided inside the sleeve 25. The instrument applies force to the shock-absorbing spring 24 through the support plate 23. The shock-absorbing spring 24 maintains elasticity while providing appropriate stiffness and damping to the instrument. At the same time, an anti-slip pad is provided at the bottom of the sleeve 25, thereby increasing the stability of the instrument.

[0035] Working principle: When the utility model is used, first place the sample container on the support plate 14, rotate the first handle 10, the first handle 10 drives the first screw rod 9 to rotate, the rotation of the first screw rod 9 allows the connecting rod 11 to slide left and right on the first screw rod 9, the rotation of the connecting rod 11 drives the first support rod 12 and the second support rod 13 to move at an angle, the top end of the second support rod 13 slides left and right in the slide groove 15, thereby realizing the height change of the support plate 14, thereby meeting the positioning measurement of sample containers of different heights, and then rotating the second handle 18, the first handle 10 drives the second screw rod 19 The rotation of the first screw rod 9 drives the driving block 20 to move left and right, and the driving block 20 drives the clamping arm 21 to move left and right, so as to clamp and fix the sample container, and then realize the positioning of the test sample. A sleeve 25 is arranged under the machine body, and a shock-absorbing spring 24 is arranged inside the sleeve 25. The instrument applies force to the shock-absorbing spring 24 through the support plate 23. While the shock-absorbing spring 24 maintains elasticity, it can provide appropriate stiffness and damping to the instrument. At the same time, an anti-slip pad is arranged at the bottom of the sleeve 25, so as to increase the stability of the instrument and reduce the influence of the machine itself and external vibration.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An inductively coupled plasma mass spectrometer for facilitating sample positioning, comprising a body (1), characterized in that: A controller (2) is arranged at the upper right corner of the front end of the body (1), a peristaltic pump (4) is installed below the controller (2), a sampling port (3) is installed on the left side of the peristaltic pump (4), a hose (5) is movably connected to the outside of the sampling port (3), and an adjustable lifting mechanism for facilitating the positioning of samples is arranged at the lower right corner of the front end of the body (1); The adjustable lifting mechanism comprises a base frame (6), the base frame (6) is welded to the lower right corner of the fuselage (1), two groups of first connecting seats (7) are fixedly connected to the left side of the top of the base frame (6), a second connecting seat (8) is arranged in the middle of the top of the base frame (6), a first rolling screw rod (9) is arranged on the right side of the top of the base frame (6), a first handle (10) is welded to the right side of the first screw rod (9), a connecting rod (11) is sleeved on the outer side of the first screw rod (9), a support plate (14) is arranged above the base frame (6), and sliding grooves (15) are respectively arranged on the right sides of the front and rear ends of the support plate (14), and second support rods (13) are respectively movably connected between the two groups of the first connecting seats (7) and the front and rear ends of the support plate (14), and the front and rear ends of the connecting rod (11) and the support plate (14) are respectively movably connected to the first support rod (12).

2. The inductively coupled plasma mass spectrometer for facilitating sample positioning according to claim 1, characterized in that: The upper end of the second support rod (13) matches the size of the slide groove (15), and the upper end of the second support rod (13) can slide left and right along the slide groove (15).

3. The inductively coupled plasma mass spectrometer for facilitating sample positioning according to claim 1, characterized in that: The inner thread in the middle of the connecting rod (11) matches the outer thread of the first screw rod (9), and the connecting rod (11) can slide left and right along the first screw rod (9).

4. The inductively coupled plasma mass spectrometer for facilitating sample positioning according to claim 1, characterized in that: The two groups of the first support rods (12) and the second support rods (13) are movably connected, the outer contour of the support plate (14) matches the outer contour shape and size of the fuselage (1), and the support plate (14) can move up and down along the fuselage (1).

5. The inductively coupled plasma mass spectrometer for facilitating sample positioning according to claim 1, characterized in that: A fixing plate (16) is arranged at the rear end of the base frame (6), a fixing seat (17) is arranged in the middle of the rear end of the fixing plate (16), a second handle (18) is arranged on the right side of the fixing seat (17), a second screw rod (19) is arranged inside the fixing seat (17), two groups of driving blocks (20) are sleeved on the outside of the second screw rod (19), the top ends of the two groups of driving blocks (20) are fixedly connected with clamping arms (21), and a clamping pad (22) is installed on one side of the clamping arm (21).

6. The inductively coupled plasma mass spectrometer for facilitating sample positioning according to claim 5, characterized in that: The inner dimensions of the two groups of clamping arms (21) match the outer dimensions of the fixing plate (16), and the two groups of clamping arms (21) can slide left and right on the fixing plate (16).

7. The inductively coupled plasma mass spectrometer for facilitating sample positioning according to claim 1, characterized in that: Six groups of support plates (23) are fixedly connected to the bottom end of the fuselage (1), and six groups of sleeves (25) are arranged below the fuselage (1). Shock-absorbing springs (24) are installed inside the sleeves (25).

8. The inductively coupled plasma mass spectrometer for facilitating sample positioning according to claim 7, characterized in that: The bottom end of the sleeve (25) is made of rubber material, and the support plate (23) is movably connected to the outer side of the sleeve (25) by bolts.

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