CN218826955U - Sampling structure of mass spectrometer - Google Patents
Sampling structure of mass spectrometer Download PDFInfo
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- CN218826955U CN218826955U CN202223065876.3U CN202223065876U CN218826955U CN 218826955 U CN218826955 U CN 218826955U CN 202223065876 U CN202223065876 U CN 202223065876U CN 218826955 U CN218826955 U CN 218826955U
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Abstract
The utility model provides a sampling structure of mass spectrometer, the mass spectrometer technical field that belongs to, including the mass spectrometer main part, the upper surface of mass spectrometer main part is provided with the introduction port, the fixed surface installs carrier block behind the mass spectrometer main part, the last surface of carrier block rotates installs the dwang, the rear surface of mass spectrometer main part installs first motor, the output of first motor and the bottom fixed connection of dwang, the top fixed mounting of dwang has a year dish, the upper surface equidistance of year dish runs through and has seted up a plurality of year grooves and a plurality of vacancies, the corresponding year inslot has placed the sample bottle respectively, waste liquid bottle and washing liquid bottle, the fixed surface installs the mount on the mass spectrometer main part, install elevation structure in the mount, install the automatic sampling needle in the elevation structure, the automatic sampling needle is located introduction port and year groove directly over, the utility model discloses a sampling needle can recycle under the condition that does not influence the detection, greatly reduced the detection cost.
Description
Technical Field
The utility model belongs to the technical field of the mass spectrograph, concretely relates to sampling structure of mass spectrograph.
Background
The mass spectrometer is a mass analyzer taking an ion source, a mass analyzer and an ion detector as cores, and when the mass spectrometer is used, in order to improve the detection and analysis efficiency, an automatic sample injection structure belt is generally adopted to send a detected object into a detection port of the mass spectrometer.
Through search, the patent number: CN202023332416.3, patent name: the utility model provides a sampling device of mass spectrometer, relates to the field of mass spectrometer, and it includes the mass spectrometer main part, is equipped with the inlet in the mass spectrometer main part, and sampling mechanism is installed on inlet upper portion, and sampling mechanism includes a plurality of syringe needles that are equipped with detection liquid and the first drive assembly that drives the syringe needle and move to inlet department, and sampling mechanism is still including being used for detecting the extrusion subassembly of liquid to the interior extrusion of inlet in the syringe needle.
As shown in fig. 4, the sample injection device of the mass spectrometer in the prior art injects a plurality of detection objects into a plurality of sample injection needles in advance, and then moves the detection objects to the sample injection port one by one to be extruded, so that a large number of sample injection needles are needed to cooperate with the detection objects, and the sample injection needles are compared with sample bottles of the detection objects in daily filling, so that the manufacturing cost is high, the detection cost is undoubtedly increased, and therefore, the sample injection structure of another mass spectrometer is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
To the sampling device of mass spectrograph among the prior art, can use a large amount of sampling needles when detecting the sample, have the problem that the detection cost is high, the utility model provides a sampling structure of mass spectrograph can insert the suction washing liquid to wash the cylinder in the washing liquid bottle earlier before the sample, then insert the sampling needle in the waste liquid bottle, get rid of the washing liquid, then the detection thing in the extraction sample bottle supplies to detect in the inlet of mass spectrograph main part again, compare prior art, the utility model discloses a sampling needle can recycle under the condition that does not influence the detection, greatly reduced the detection cost. The specific technical scheme is as follows:
a sample introduction structure of a mass spectrometer comprises a mass spectrometer main body, wherein a sample introduction port is formed in the upper surface of the mass spectrometer main body, a carrier block is fixedly mounted on the rear surface of the mass spectrometer main body, a rotating rod is rotatably mounted on the upper surface of the carrier block, a first motor is mounted on the rear surface of the mass spectrometer main body, the output end of the first motor is fixedly connected with the bottom end of the rotating rod, a carrier disc is fixedly mounted at the top end of the rotating rod, a plurality of carrier grooves and a plurality of vacant sites are formed in the upper surface of the carrier disc in an equidistant penetrating manner, and sample bottles, waste liquid bottles and cleaning liquid bottles are correspondingly placed in the carrier grooves respectively;
a fixing frame is fixedly arranged on the upper surface of the mass spectrometer main body, a lifting structure is arranged in the fixing frame, an automatic sampling needle is arranged in the lifting structure, and the automatic sampling needle is positioned right above the sample inlet and the loading groove;
in the above technical solution, the lifting structure includes two screws, a sliding plate, a U-shaped support plate, a second motor, three gears, and a toothed chain, the screws are symmetrically rotatably mounted in the fixing frame, the sliding plate slides up and down between the two screws, the U-shaped support plate is fixedly mounted on the lower surface of the sliding plate, the second motor is fixedly mounted on the upper surface of the fixing frame, the three gears are respectively sleeved on the outer surfaces of the screws and the outer surface of the output end of the second motor, and the toothed chain is directly connected between the three gears;
in the technical scheme, the automatic sampling needle comprises a sampling needle and a reciprocating telescopic rod, a needle cylinder of the sampling needle is fixedly installed in the U-shaped carrier plate, the reciprocating telescopic rod is fixedly connected with the sliding plate, and the lower end of the reciprocating telescopic rod is fixedly connected with a push rod of the sampling needle;
in the technical scheme, the positions of the lower surface of the carrying disc corresponding to the carrying groove are fixedly provided with the lifting blocks, and the lower surfaces of the lifting blocks are provided with through holes with the diameter smaller than that of the carrying groove in a penetrating manner;
in the technical scheme, a hydraulic telescopic rod is fixedly installed on the upper surface of the carrying block, the hydraulic telescopic rod is located right below the lifting block, and a top disc smaller than a through hole of the lifting block is fixedly installed at the top end of the hydraulic telescopic rod;
in the above technical solution, the empty positions are located between two adjacent loading slots.
The utility model discloses a kind structure of advancing of mass spectrometer, compared with the prior art, beneficial effect is:
1. the utility model discloses can wash the cylinder with the suction washing liquid in the washing liquid bottle with the probe insertion before the sample, then insert the probe insertion into the waste liquid bottle, get rid of the washing liquid, then the detection thing in the extraction sample bottle feeds into and detects in the introduction of mass spectrograph main part again, compares prior art, the utility model discloses a probe can recycle under the condition that does not influence the detection, greatly reduced the detection cost.
2. The utility model discloses a set up the hydraulic telescoping rod who has the top dish at the upper surface of carrier block, after empty bottle rotated top dish top, can utilize hydraulic telescoping rod to extend and drive the top dish and shift up empty bottle ejecting year groove, be convenient for shift out empty bottle and carry the dish.
Drawings
Fig. 1 is a rear view structure diagram of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is a schematic diagram of a prior art structure.
In fig. 1-3, wherein: 1-a mass spectrometer main body, 11-a sample inlet, 2-a carrier block, 21-a rotating rod, 22-a first motor, 23-a hydraulic telescopic rod, 231-a top plate, 3-a carrier plate, 31-a carrier groove, 311-a hollow lifting block, 32-a vacancy, 4-a sample bottle, 5-a fixed frame, 6-a lead screw, 61-a sliding plate, 62-a U-shaped carrier plate, 7-a sample injection needle, 8-a reciprocating telescopic rod, 9-a second motor, 91-a gear and 92-a toothed chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a sample introduction structure of a mass spectrometer comprises a mass spectrometer main body 1, wherein a sample introduction port 11 is arranged on the upper surface of the mass spectrometer main body 1, a carrier block 2 is fixedly mounted on the rear surface of the mass spectrometer main body 1, a rotating rod 21 is rotatably mounted on the upper surface of the carrier block 2, a first motor 22 is mounted on the rear surface of the mass spectrometer main body 1, the output end of the first motor 22 is fixedly connected with the bottom end of the rotating rod 21, a carrier disc 3 is fixedly mounted at the top end of the rotating rod 21, a plurality of carrier grooves 31 and a plurality of vacant positions 32 are equidistantly formed in the upper surface of the carrier disc 3 in a penetrating manner, sample bottles 4, waste liquid bottles and cleaning liquid bottles are respectively placed in the corresponding carrier grooves 31, a fixing frame 5 is fixedly mounted on the upper surface of the mass spectrometer main body 1, a lifting structure is mounted in the fixing frame 5, automatic sampling needles are mounted in the lifting structure and located right above the sample introduction port 11 and the carrier grooves 31, the first motor 22 is a servo motor, the first motor 22 drives the carrier disc 3 to rotate and adjust the position of the carrier grooves 21 to be below the automatic sampling needles;
when the position of the loading groove 31 of the loading disc 3 rotates to the lower part of the automatic sampling needle, the lifting structure can be utilized to drive the automatic sampling needle to move downwards to be inserted into the bottle body to extract the object in the extraction bottle, before the object is extracted, the cleaning liquid in the cleaning liquid bottle can be extracted to disinfect the needle cylinder of the automatic sampling needle, then the loading disc 3 is rotated to move the position of the waste liquid bottle to the lower part of the automatic sampling needle, the cleaned waste liquid is collected in the waste liquid bottle, then the loading disc 3 is rotated to move the sample bottle 4 to the lower part of the automatic sampling needle, the sample in the sample bottle 4 is extracted into the automatic sampling needle, finally the loading disc 3 is rotated to place the position of the vacancy 32 below the automatic sampling needle, then the lifting structure is utilized to drive the automatic sampling needle to move downwards to the sample inlet 11 of the mass spectrometer main body 1, the object to be detected in the automatic sampling needle is injected into the mass spectrometer main body 1, compared with the prior art, the sampling needle can be repeatedly used, and the detection cost is greatly reduced.
It should be noted that the lifting structure includes two lead screws 6, a sliding plate 61, a U-shaped carrier plate 62, a second motor 9, three gears 91 and a toothed chain 92, the lead screws 6 are symmetrically and rotatably mounted in the fixed frame 5, the sliding plate 61 slides up and down between the two lead screws 6, the U-shaped carrier plate 62 is fixedly mounted on the lower surface of the sliding plate 61, the second motor 9 is fixedly mounted on the upper surface of the fixed frame 5, the three gears 91 are respectively sleeved on the outer surface of the lead screws 6 and the outer surface of the output end of the second motor 9, and the toothed chain 92 is connected between the three gears 91;
the second motor 9 is a servo motor, the second motor 9 can rotate to drive the two lead screws 6 to rotate by using the gear 91 and the toothed chain 92, the lead screws 6 rotate clockwise to drive the sliding plate 61 to move downwards, the lead screws 6 rotate anticlockwise to drive the sliding plate 61 to move upwards, and in the using process, the sliding plate 61 is used for driving the automatic sampling needle to move downwards to adjust the position as required.
In addition, the automatic sampling needle comprises a sampling needle 7 and a reciprocating telescopic rod 8, a needle cylinder of the sampling needle 7 is fixedly installed in a U-shaped support plate 62, the reciprocating telescopic rod 8 is fixedly connected with a sliding plate 61, the lower end of the reciprocating telescopic rod 8 is fixedly connected with a push rod of the sampling needle 7, and the reciprocating telescopic rod 8 can drive the push rod of the sampling needle 7 to move up and down in the needle cylinder, so that automatic fetching and discharging of the sampling needle 7 are realized.
In order to enhance the loading stability of the loading groove 31, the lifting blocks 311 are fixedly mounted at the positions corresponding to the loading groove 31 on the lower surface of the loading tray 3, the lower surfaces of the lifting blocks 311 are provided with through holes smaller than the diameter of the loading groove 31 in a penetrating manner, the lifting blocks 311 can be used for lifting the bottoms of the sample bottles 4, the waste liquid bottles and the cleaning liquid bottles, and the loading stability of the loading groove 31 is enhanced.
In order to take out the empty bottles in the loading groove 31 conveniently, a hydraulic telescopic rod 23 is fixedly installed on the upper surface of the loading block 2, the hydraulic telescopic rod 23 is arranged under the lifting block 311, a top disc 231 smaller than a through hole of the lifting block 311 is fixedly installed at the top end of the hydraulic telescopic rod 23, and after the empty bottles are rotated to the position above the top disc 231, the hydraulic telescopic rod 23 can be used for extending to drive the top disc 231 to move upwards to push the empty bottles out of the loading groove 31, so that the empty bottles can be moved out of the loading disc 3 conveniently;
to facilitate the selection of a nearby void 32 for the sampling needle 7 to be inserted into the sample inlet 11 of the mass spectrometer body 1, the voids 32 are each located between two adjacent carriers 31.
The working principle is as follows: before the detection object is extracted, cleaning liquid in a cleaning liquid bottle is extracted to disinfect a needle cylinder of an automatic sampling needle, then a first motor 22 is used for driving a carrying disc 3 to rotate through a rotating rod 21, the position of a waste liquid bottle is moved to the position below the automatic sampling needle, an automatic sampling needle is driven to move downwards through a lead screw 6 and a sliding plate 61 and is inserted into the waste liquid bottle, the cleaned waste liquid is collected in the waste liquid bottle, then the automatic sampling needle is driven to move upwards through the lead screw 6 and the sliding plate 61, a sample bottle 4 is moved to the position below the automatic sampling needle through the carrying disc 3, a sample in the sample bottle 4 is extracted into the automatic sampling needle, finally the carrying disc 3 is rotated to position a vacant position 32 below the automatic sampling needle, then the automatic sampling needle is driven to move downwards to a sample inlet 11 of a mass spectrometer main body 1 through a lifting structure, and the detection object in the automatic sampling needle is injected into the mass spectrometer body 1 for detection.
Claims (6)
1. The utility model provides a kind structure of mass spectrometer, includes mass spectrometer main part (1), the upper surface of mass spectrometer main part (1) is provided with introduction port (11), characterized in that, the rear surface fixed mounting of mass spectrometer main part (1) has carrier block (2), the last surface rotation of carrier block (2) installs dwang (21), the rear surface mounting of mass spectrometer main part (1) has first motor (22), the output of first motor (22) and the bottom fixed connection of dwang (21), the top fixed mounting of dwang (21) has carrier disc (3), the upper surface equidistance of carrier disc (3) runs through and has seted up a plurality of carrier grooves (31) and a plurality of vacancy (32), and is corresponding sample bottle (4), waste liquid bottle and cleaning liquid bottle have been placed respectively in carrier groove (31);
the last fixed surface of mass spectrograph main part (1) installs mount (5), install elevation structure in mount (5), install the automatic sampling needle in the elevation structure, the automatic sampling needle is located introduction port (11) and year groove (31) directly over.
2. The sample introduction structure of a mass spectrometer according to claim 1, wherein the lifting structure comprises two lead screws (6), a sliding plate (61), a U-shaped carrier plate (62), a second motor (9), three gears (91) and a toothed chain (92), the lead screws (6) are symmetrically and rotatably mounted in the fixed frame (5), the sliding plate (61) slides up and down between the two lead screws (6), the U-shaped carrier plate (62) is fixedly mounted on the lower surface of the sliding plate (61), the second motor (9) is fixedly mounted on the upper surface of the fixed frame (5), the three gears (91) are respectively sleeved on the outer surface of the lead screw (6) and the outer surface of the output end of the second motor (9), and the toothed chain (92) is connected between the three gears (91) in a stretched manner.
3. The sample introduction structure of a mass spectrometer according to claim 2, wherein the automatic sampling probe comprises a sample introduction probe (7) and a reciprocating telescopic rod (8), a needle cylinder of the sample introduction probe (7) is fixedly installed in a U-shaped carrier plate (62), the reciprocating telescopic rod (8) is fixedly connected with a sliding plate (61), and a lower end of the reciprocating telescopic rod (8) is fixedly connected with a push rod of the sample introduction probe (7).
4. The sample introduction structure of a mass spectrometer according to claim 1, wherein the lower surface of the carrier disc (3) is fixedly provided with a lifting block (311) at a position corresponding to the carrier groove (31), and a through hole smaller than the diameter of the carrier groove (31) is formed through the lower surface of the lifting block (311).
5. The sampling structure of a mass spectrometer according to claim 4, wherein a hydraulic telescopic rod (23) is fixedly mounted on the upper surface of the carrier block (2), the hydraulic telescopic rod (23) is located right below the lifting block (311), and a top plate (231) smaller than a through hole of the lifting block (311) is fixedly mounted at the top end of the hydraulic telescopic rod (23).
6. A sample introduction structure for a mass spectrometer according to claim 1, characterised in that said voids (32) are each located between two adjacent said loading slots (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223065876.3U CN218826955U (en) | 2022-11-18 | 2022-11-18 | Sampling structure of mass spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223065876.3U CN218826955U (en) | 2022-11-18 | 2022-11-18 | Sampling structure of mass spectrometer |
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| CN218826955U true CN218826955U (en) | 2023-04-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429961A (en) * | 2023-06-13 | 2023-07-14 | 国网浙江省电力有限公司宁波供电公司 | Oil chromatographic analysis instrument and detection method thereof |
| CN117805222A (en) * | 2024-02-29 | 2024-04-02 | 南京索益盟环保科技有限公司 | Method and device for detecting heavy metals in biochar |
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2022
- 2022-11-18 CN CN202223065876.3U patent/CN218826955U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429961A (en) * | 2023-06-13 | 2023-07-14 | 国网浙江省电力有限公司宁波供电公司 | Oil chromatographic analysis instrument and detection method thereof |
| CN116429961B (en) * | 2023-06-13 | 2023-11-07 | 国网浙江省电力有限公司宁波供电公司 | Oil chromatographic analysis instrument and detection method thereof |
| CN117805222A (en) * | 2024-02-29 | 2024-04-02 | 南京索益盟环保科技有限公司 | Method and device for detecting heavy metals in biochar |
| CN117805222B (en) * | 2024-02-29 | 2024-05-07 | 南京索益盟环保科技有限公司 | Method and device for detecting heavy metals in biochar |
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