CN214201172U - Atomic absorption separation photometer - Google Patents
Atomic absorption separation photometer Download PDFInfo
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- CN214201172U CN214201172U CN202120081594.9U CN202120081594U CN214201172U CN 214201172 U CN214201172 U CN 214201172U CN 202120081594 U CN202120081594 U CN 202120081594U CN 214201172 U CN214201172 U CN 214201172U
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Abstract
The utility model provides an atomic absorption separation photometer. The atomic absorption separation photometer comprises an atomic absorption photometer body and a sampling tube, wherein the sampling tube is arranged on the atomic absorption photometer body; the base is arranged below the atomic absorption photometer body; the four lifting mechanisms are arranged on the base in a rectangular array and are connected with the atomic absorption spectrophotometer body; the placing groove is formed in the top of the base; the beaker is arranged in the placing groove and is positioned outside the sampling pipe; the connecting mechanism is arranged on the base. The utility model provides an atomic absorption separation photometer has the height-adjusting of being convenient for, can carry out sealing connection, reduce the advantage that detects the error to beaker and sampling tube.
Description
Technical Field
The utility model relates to an atomic absorption photometer technical field especially relates to an atomic absorption separation photometer.
Background
An atomic absorption separation photometer, also known as an atomic absorption spectrometer, also known as an atomic absorption spectrophotometer, analyzes metal elements based on the effect of atomic vapor in the ground state of a substance on the absorption of characteristic radiation. It can sensitively and reliably measure trace elements. Atomic absorption spectrophotometers generally consist of four major components, namely a light source (a monochromatic sharp line radiation source), a sample atomizer, a monochromator, and a data processing system (including a photoelectric converter and corresponding detection means). There are two main types of atomizers, namely flame atomizers and electrothermal atomizers. There are various flames, and an air-acetylene flame is currently generally used. The electric heating atomizer is generally applied to a graphite furnace atomizer, so that an atomic absorption spectrophotometer comprises a flame atomic absorption spectrophotometer and an atomic absorption spectrophotometer with a graphite furnace. The atomization temperature of the former is between 2100 ℃ and 2400 ℃, and the atomization temperature of the latter is between 2900 ℃ and 3000 ℃. The graphite furnace atomic absorption spectrophotometer can measure nearly 50 elements. The graphite furnace method has the advantages of small sample amount and high sensitivity, and some elements can be analyzed to pg/mL level. The elements are heated and atomized in the pyrolytic graphite furnace to become ground state atomic vapor, and the characteristic radiation emitted by the hollow cathode lamp is selectively absorbed. Within a certain concentration range, the absorption intensity is in direct proportion to the content of the element to be detected in the test solution.
The utility model discloses an atomic absorption photometer, its mandate bulletin number is CN208654019U among the retrieval prior art, and it includes atomic absorption photometer body, hollow cathode lamp, graphite furnace, one side of atomic absorption photometer body is connected with the hollow cathode lamp safety cover through the hinge rotation, and hollow cathode lamp safety cover corresponds position department and is provided with a plurality of hollow cathode lamps, the middle part of atomic absorption photometer body is provided with the graphite furnace with hollow cathode lamp intercommunication. Although the first cooling cover and the second cooling cover which are provided with the semi-cylinders are covered outside the graphite furnace, the two ends of the first cooling cover and the two ends of the second cooling cover are communicated with the water inlet and outlet pipes, and the hose is connected between the water inlet and outlet pipes on one side of the first cooling cover and the second cooling cover, so that the liquid in the first cooling cover and the liquid in the second cooling cover are in a flowing state, the first cooling cover and the second cooling cover are attached to the graphite pipe in a leaning mode, the heat dissipation effect is good, and the detection progress is accelerated.
However, the height of the sampling tube is relatively fixed, people need to place the sampling tube on a table top when the sampling tube is used, the sampling tube is uncomfortable when people with different heights use the sampling tube, especially in teaching of schools and laboratories, the sampling tube is inconvenient to use, meanwhile, the sampling tube is a hose, people insert the sampling tube into a beaker, and the exposed beaker is easily polluted by foreign matters, so that the detection error is easily caused.
Therefore, there is a need to provide a new atomic absorption separation photometer to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide an atomic absorption separation photometer with be convenient for height-adjusting, can carry out sealing connection, reduction detection error to beaker and sampling tube.
In order to solve the above technical problem, the utility model provides an atomic absorption separation photometer includes: the atomic absorption spectrophotometer comprises an atomic absorption spectrophotometer body and a sampling tube, wherein the sampling tube is arranged on the atomic absorption spectrophotometer body; the base is arranged below the atomic absorption photometer body; the four lifting mechanisms are arranged on the base in a rectangular array and are connected with the atomic absorption spectrophotometer body; the placing groove is formed in the top of the base; the beaker is arranged in the placing groove and is positioned outside the sampling pipe; the connecting mechanism is arranged on the base.
Preferably, elevating system includes recess, two constant head tanks, a screw thread section of thick bamboo, two locating pieces and drive mechanism, the recess is seted up the bottom of base, two the constant head tank is seted up respectively on the both sides inner wall of recess, a screw thread section of thick bamboo slidable mounting be in on the top inner wall of recess, a screw thread section of thick bamboo's bottom is located in the recess, a screw thread section of thick bamboo's top extends to the base outer and with the bottom fixed connection of atomic absorption photometer body, two the locating piece is respectively slidable mounting two in the constant head tank, two one side that the locating piece is close to each other all is located in the recess and with a screw thread section of thick bamboo fixed connection.
Preferably, drive mechanism includes screw thread piece, support, transfer line, first awl tooth, motor and second awl tooth, screw thread piece screw thread is installed in the screw thread section of thick bamboo, support fixed mounting be in the bottom of base, the support with recess looks adaptation, the transfer line rotates to be installed on the support, the bottom of transfer line extends to outside the support, the top of transfer line extends to in the screw thread section of thick bamboo and with the bottom fixed connection of screw thread piece, first awl tooth fixed mounting be in on the bottom of transfer line, motor fixed mounting be in the bottom of base, second awl tooth fixed mounting be in on the output shaft of motor, second awl tooth with first awl tooth meshes mutually.
Preferably, the connecting mechanism comprises a sealing cover, a sleeve, a connecting rod, a sliding block and a spring, the sealing cover is sleeved on the sampling tube, the bottom of the sealing cover is contacted with the top of the beaker, the sleeve is fixedly arranged at the top of the base, the sleeve is positioned at one side of the beaker, the connecting rod is arranged on the inner wall of the top of the sleeve in a sliding way, the bottom end of the connecting rod is positioned in the sleeve, the top end of the connecting rod extends out of the sleeve and is fixedly connected with the top of the sealing cover, the sliding block is slidably arranged in the sleeve, the top of the sliding block is fixedly connected with the bottom end of the connecting rod, the spring sliding sleeve is arranged on the connecting rod, the bottom end of the spring is fixedly connected with the top of the sliding block, and the top end of the spring is fixedly connected with the inner wall of the top of the sleeve.
Preferably, the connecting rod is U-shaped, the top fixed mounting of base has the extending groove, the extending groove with the sleeve with slider homogeneous phase adaptation.
Preferably, four support legs are fixedly mounted at the bottom of the base and are divided into a rectangular array.
Compared with the prior art, the utility model provides an atomic absorption separation photometer has following beneficial effect:
the utility model provides an atomic absorption separation photometer:
1. the lifting mechanism is convenient to mount the lifting mechanism and the connecting mechanism through the base, the lifting mechanism is used for adjusting the height of the atomic absorption photometer body, so that the atomic absorption photometer body is suitable for people with various heights to use, the placing groove is convenient for placing the beaker, the connecting mechanism is convenient for sealing the beaker, and the atomic absorption photometer body can be jacked up in a threaded barrel driving mode in the lifting mechanism;
2. power is provided for the lifting mechanism through the transmission mechanism, so that the labor is saved, the beaker can be sealed by the sealing cover which is sleeved on the sampling tube through the connecting mechanism, the impurities are prevented from entering, the detection condition is influenced, a surplus sliding space is provided for the sliding block through the extending groove, and the base is heightened through the support legs.
Drawings
Fig. 1 is a first schematic front sectional view of a preferred embodiment of an atomic absorption separation photometer according to the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
fig. 3 is a second schematic front sectional view of a preferred embodiment of an atomic absorption separation photometer according to the present invention;
fig. 4 is an enlarged structural view of a portion B shown in fig. 3.
Reference numbers in the figures: 1. an atomic absorption spectrophotometer body; 2. a sampling tube; 3. a base; 4. a groove; 5. positioning a groove; 6. a threaded barrel; 7. positioning blocks; 8. a thread block; 9. a support; 10. a transmission rod; 11. a first bevel gear; 12. a motor; 13. a second taper tooth; 14. a placement groove; 15. a beaker; 16. a sealing cover; 17. a sleeve; 18. a connecting rod; 19. a slider; 20. a spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a first schematic cross-sectional front view of an atomic absorption spectrophotometer according to a preferred embodiment of the present invention; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; fig. 3 is a second schematic front sectional view of a preferred embodiment of an atomic absorption separation photometer according to the present invention; fig. 4 is an enlarged structural view of a portion B shown in fig. 3. The atomic absorption separation photometer includes: the atomic absorption spectrophotometer comprises an atomic absorption spectrophotometer body 1 and a sampling tube 2, wherein the sampling tube 2 is arranged on the atomic absorption spectrophotometer body 1; the base 3 is arranged below the atomic absorption photometer body 1; the four lifting mechanisms are arranged on the base 3 in a rectangular array and are connected with the atomic absorption spectrophotometer body 1; a placing groove 14, wherein the placing groove 14 is arranged on the top of the base 3; a beaker 15, wherein the beaker 15 is arranged in the placing groove 14, and the beaker 15 is positioned outside the sampling tube 2; the connecting mechanism is arranged on the base 3, the lifting mechanism and the connecting mechanism are convenient to install through the base 3, the lifting mechanism adjusts the height of the atomic absorption photometer body 1, so that the atomic absorption photometer is suitable for people with various heights to use, the placing groove 14 is convenient for placing the beaker 15, and the connecting mechanism is convenient for sealing the beaker 15.
Elevating system includes recess 4, two constant head tanks 5, a screw thread section of thick bamboo 6, two locating pieces 7 and drive mechanism, recess 4 is seted up the bottom of base 3, two constant head tank 5 is seted up respectively on the both sides inner wall of recess 4, 6 slidable mounting of a screw thread section of thick bamboo are in on the top inner wall of recess 4, the bottom of a screw thread section of thick bamboo 6 is located in the recess 4, the top of a screw thread section of thick bamboo 6 extends to base 3 outer and with the bottom fixed connection of atomic absorption photometer body 1, two locating piece 7 respectively slidable mounting be two in the constant head tank 5, two one side that locating piece 7 is close to each other all is located in the recess 4 and with 6 fixed connection of a screw thread section of thick bamboo can jack-up atomic absorption photometer body 1 through 6 driven modes of a screw thread section of thick bamboo in elevating system.
The transmission mechanism comprises a thread block 8, a support 9, a transmission rod 10, a first bevel gear 11, a motor 12 and a second bevel gear 13, the thread block 8 is installed in the thread cylinder 6 in a threaded manner, the support 9 is fixedly installed at the bottom of the base 3, the support 9 is matched with the groove 4, the transmission rod 10 is rotatably installed on the support 9, the bottom end of the transmission rod 10 extends out of the support 9, the top end of the transmission rod 10 extends into the thread cylinder 6 and is fixedly connected with the bottom of the thread block 8, the first bevel gear 11 is fixedly installed at the bottom end of the transmission rod 10, the motor 12 is fixedly installed at the bottom of the base 3, the second bevel gear 13 is fixedly installed on an output shaft of the motor 12, the second bevel gear 13 is meshed with the first bevel gear 11, and power is provided for the lifting mechanism through the transmission mechanism, thereby the height can be adjusted in a labor-saving way.
The connecting mechanism comprises a sealing cover 16, a sleeve 17, a connecting rod 18, a sliding block 19 and a spring 20, the sealing cover 16 is sleeved on the sampling tube 2, the bottom of the sealing cover 16 is contacted with the top of the beaker 15, the sleeve 17 is fixedly arranged at the top of the base 3, the sleeve 17 is positioned at one side of the beaker 15, the connecting rod 18 is slidably arranged on the inner wall of the top of the sleeve 17, the bottom end of the connecting rod 18 is positioned in the sleeve 17, the top end of the connecting rod 18 extends out of the sleeve 17 and is fixedly connected with the top of the sealing cover 16, the sliding block 19 is slidably arranged in the sleeve 17, the top of the sliding block 19 is fixedly connected with the bottom end of the connecting rod 18, the spring 20 is slidably sleeved on the connecting rod 18, and the bottom end of the spring 20 is fixedly connected with the top of the sliding block 19, the top end of the spring 20 is fixedly connected with the inner wall of the top of the sleeve 17, and the sealing cover 16 which is sleeved on the sampling tube 2 through the connecting mechanism can seal the beaker 15, so that impurities are prevented from entering and the detection condition is prevented from being influenced.
The connecting rod 18 is U-shaped, the top of the base 3 is fixedly provided with an extension groove, the extension groove is matched with the sleeve 17 and the sliding block 19, and a surplus sliding space is provided for the sliding block 19 through the extension groove.
The bottom fixed mounting of base 3 has four stabilizer blades, four the stabilizer blade is the rectangle array branch, steps up base 3 through the stabilizer blade.
The utility model provides an atomic absorption separation photometer's theory of operation as follows:
when the height needs to be adjusted, the four motors 12 are started simultaneously, output shafts of the four motors 12 synchronously rotate to drive the second conical tooth 13 to rotate, the second conical tooth 13 drives the first conical tooth 11 which is meshed with the second conical tooth to rotate, the first conical tooth 11 drives the transmission rod 10 to rotate, the transmission rod 10 drives the thread block 8 to rotate, so that the thread cylinder 6 slides along the inner wall of the top of the groove 4, the atomic absorption photometer body 1 is driven to adjust the height, the thread cylinder 6 slides while driving the two positioning blocks 7 to slide along the two positioning grooves 5, and the motors 12 are closed after the adjustment is finished;
when the test is needed, the connecting rod 18 is firstly pulled upwards, the connecting rod 18 slides upwards along the sleeve 17 at the moment and compresses the spring 20 through the sliding block 19, the beaker 15 with the solution is placed in the placing groove 14 at the moment, then the connecting rod 18 is slowly released, and the sealing cover 16 carries the sampling tube 2 and is inserted into the beaker 15 to suck the solution.
Compared with the prior art, the utility model provides an atomic absorption separation photometer has following beneficial effect:
the utility model provides an atomic absorption separation photometer, be convenient for install elevating system and coupling mechanism through base 3, elevating system carries out height-adjusting to atomic absorption photometer body 1, thereby the personnel that adapt to multiple height use, standing groove 14 is convenient for place beaker 15, coupling mechanism is convenient for seal beaker 15, can jack up atomic absorption photometer body 1 through the 6 driven modes of screw thread section of thick bamboo among the elevating system, provide power for elevating system through drive mechanism, thereby comparatively laborsaving height-adjusting, it can seal beaker 15 to establish sealed lid 16 on sampling tube 2 through the coupling mechanism cover, avoid impurity to get into, influence the measuring condition, provide abundant slip space for slider 19 through the extension groove, carry out the bed hedgehopping to base 3 through the stabilizer blade.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. An atomic absorption separation photometer, comprising:
the atomic absorption spectrophotometer comprises an atomic absorption spectrophotometer body and a sampling tube, wherein the sampling tube is arranged on the atomic absorption spectrophotometer body;
the base is arranged below the atomic absorption photometer body;
the four lifting mechanisms are arranged on the base in a rectangular array and are connected with the atomic absorption spectrophotometer body;
the placing groove is formed in the top of the base;
the beaker is arranged in the placing groove and is positioned outside the sampling pipe;
the connecting mechanism is arranged on the base.
2. The atomic absorption separation photometer of claim 1, wherein the elevating mechanism comprises a groove, two positioning grooves, a threaded cylinder, two positioning blocks and a transmission mechanism, the groove is formed in the bottom of the base, the two positioning grooves are formed in inner walls of two sides of the groove respectively, the threaded cylinder is slidably mounted on an inner wall of the top of the groove, the bottom end of the threaded cylinder is located in the groove, the top end of the threaded cylinder extends out of the base and is fixedly connected with the bottom of the atomic absorption photometer body, the two positioning blocks are slidably mounted in the two positioning grooves respectively, and one side, close to each other, of each of the two positioning blocks is located in the groove and is fixedly connected with the threaded cylinder.
3. The atomic absorption separation photometer of claim 2, wherein the transmission mechanism comprises a screw block, a bracket, a transmission rod, a first bevel gear, a motor and a second bevel gear, the screw block is threadedly mounted in the screw cylinder, the bracket is fixedly mounted at the bottom of the base and is adapted to the groove, the transmission rod is rotatably mounted on the bracket, the bottom end of the transmission rod extends out of the bracket, the top end of the transmission rod extends into the screw cylinder and is fixedly connected with the bottom of the screw block, the first bevel gear is fixedly mounted at the bottom end of the transmission rod, the motor is fixedly mounted at the bottom of the base, the second bevel gear is fixedly mounted at the output shaft of the motor, and the second bevel gear is engaged with the first bevel gear.
4. The atomic absorption separation photometer of claim 1, wherein the connecting mechanism comprises a sealing cap, a sleeve, a connecting rod, a slider and a spring, the sealing cap is sleeved on the sampling tube, the bottom of the sealing cap is in contact with the top of the beaker, the sleeve is fixedly installed on the top of the base, the sleeve is located on one side of the beaker, the connecting rod is slidably installed on the inner wall of the top of the sleeve, the bottom end of the connecting rod is located in the sleeve, the top end of the connecting rod extends out of the sleeve and is fixedly connected with the top of the sealing cap, the slider is slidably installed in the sleeve, the top of the slider is fixedly connected with the bottom end of the connecting rod, the spring is slidably sleeved on the connecting rod, and the bottom end of the spring is fixedly connected with the top of the slider, the top end of the spring is fixedly connected with the inner wall of the top of the sleeve.
5. The atomic absorption separation photometer of claim 4, wherein the connecting rod is U-shaped, and an extension groove is fixedly installed at the top of the base and is matched with the sleeve and the sliding block.
6. The atomic absorption separation photometer of claim 1 wherein the bottom of the base is fixedly mounted with four legs, the four legs being divided in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081594.9U CN214201172U (en) | 2021-01-13 | 2021-01-13 | Atomic absorption separation photometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081594.9U CN214201172U (en) | 2021-01-13 | 2021-01-13 | Atomic absorption separation photometer |
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| CN214201172U true CN214201172U (en) | 2021-09-14 |
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| CN202120081594.9U Active CN214201172U (en) | 2021-01-13 | 2021-01-13 | Atomic absorption separation photometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309791A (en) * | 2023-10-13 | 2023-12-29 | 河北正清检测服务有限公司 | Atomic absorption spectrophotometer and application method thereof |
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2021
- 2021-01-13 CN CN202120081594.9U patent/CN214201172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309791A (en) * | 2023-10-13 | 2023-12-29 | 河北正清检测服务有限公司 | Atomic absorption spectrophotometer and application method thereof |
| CN117309791B (en) * | 2023-10-13 | 2024-05-24 | 河北正清检测服务有限公司 | Atomic absorption spectrophotometer and application method thereof |
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