CN219286340U - A reliable anchor clamps for mass spectrum headspace sampling reagent bottle rotary disk - Google Patents
A reliable anchor clamps for mass spectrum headspace sampling reagent bottle rotary disk Download PDFInfo
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- CN219286340U CN219286340U CN202320544289.8U CN202320544289U CN219286340U CN 219286340 U CN219286340 U CN 219286340U CN 202320544289 U CN202320544289 U CN 202320544289U CN 219286340 U CN219286340 U CN 219286340U
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Abstract
The utility model belongs to the technical field of mass spectrometer test sampling, and particularly relates to a reliable clamp for a mass spectrometer headspace sampling reagent bottle rotating disc. Comprises a turntable, a central shaft and a quartz capillary fixing arm; the upper end of the turntable is provided with a circular groove, a silica gel sheet and an upper cover plate are sequentially matched in the circular groove from bottom to top, and the circular groove is fixed into a whole through threads; the central shaft penetrates through the middle of the rotating body and then is inserted into the mounting base, the quartz capillary fixing arm is horizontally arranged, the upper end of the central shaft penetrates through one end of the quartz capillary fixing arm and is locked and fixed through the locking bolt, the rotating shaft is rotated, the reagent bottles are sequentially located at the station to be tested, the quartz capillary penetrates through the hexagonal cone sleeve and extends downwards to the corresponding reagent bottle mouth, the hexagonal compression screw is screwed, and the graphite cone sleeve deforms towards the center to clamp the quartz capillary. Therefore, the reliable clamp of the utility model realizes the constraint of the position relationship between the reagent bottle and the sampling port; meanwhile, the replacement of the tested sample of the reagent bottle is completed rapidly and accurately.
Description
Technical Field
The utility model belongs to the technical field of mass spectrometer test sampling, and particularly relates to a reliable clamp for a mass spectrometer headspace sampling reagent bottle rotating disc.
Background
The gas chromatography-mass spectrometry is widely applied to fields of petrochemical industry, medical analysis, environment detection, food safety detection and the like due to high sensitivity and high selectivity, is applied to aspects of flavor analysis, quality screening, product design, production process upgrading and the like of white spirit, food, beverage, tobacco and the like, and when the mass spectrometry adopts quartz capillary headspace sampling, reagent bottles of a plurality of groups of tested samples need to be replaced, and at the moment, the replacement of the tested samples needs to be a reliable clamp, and meanwhile, in order to ensure the accuracy and reliability of detection data, a user needs to be standardized for each step of operation.
The mass spectrometer belongs to a high-precision detection instrument, the position of each group of samples is required to be uniformly placed in the headspace detection of the mass spectrometer, the ratio, capacity and the position relation between the liquid level and the sampling port of the detected samples are required to be strictly controlled, only the data of the headspace detection are more accurate and reliable, in the working link of headspace sampling, the sampling error is probably determined by the operation of each step, the collected samples are not placed according to the standard, and all the experimental data at the back can be influenced, so that the experiment is free from root, the position relation between the reagent ratio, the reagent capacity and the reagent liquid level and the sampling port must be strictly controlled in the headspace sampling link, and only the sampled data are more practical and can be used for analysis and research.
In daily sampling detection, a sample is directly taken out manually and is close to a sampling port to be detected and data are acquired, the relative position of the collected sample and a sample inlet cannot be controlled by the operation, or the detection result is affected by the external environment.
In order to minimize the headspace sampling error, more reliable data is obtained in subsequent experiments, and every link of headspace sampling is demanding. Therefore, a reliable clamp for a rotary disk of a mass spectrum headspace sampling reagent bottle needs to be designed, so that the reagent bottle is placed in a station hole without gaps, and the phenomenon of improper placement or non-uniform placement is avoided.
Disclosure of Invention
According to the quartz capillary headspace sampling provided in the background art, the detection error is large due to nonstandard operation, and the reliable clamp for the mass spectrum headspace sampling reagent bottle rotating disc is provided, the clamp constrains the position relationship between the reagent and the sampling port, and the data difference caused by the position relationship of external placement is avoided when the sample is acquired for multiple times; meanwhile, the method can ensure that 1 s finishes switching the tested sample, and the tolerance of the position degree of the reagent bottle mouth and the quartz capillary sampling tube mouth is less than 0.5 mm.
The specific technical scheme of the utility model is as follows: a reliable clamp for a rotary disk of a mass spectrometry headspace sampling reagent bottle, comprising a rotary disk 20, a central shaft 30 and a quartz capillary fixing arm 10;
the turntable 20 is horizontally arranged at the upper end of the mounting base 21, the upper end of the turntable 20 is provided with a circular groove, a silica gel sheet 22 and an upper cover plate 23 are sequentially matched in the circular groove from bottom to top, and the turntable 20 is fixed into an integrated rotating body through threads; at least 4 reagent bottle jacks are uniformly arranged on the large circumference of the rotating body, at least 4 reagent bottle jacks are uniformly arranged on the small circumference of the rotating body, and the aperture of each silica gel sheet 22 is smaller than the aperture of the corresponding reagent bottle jack and is used for clamping a reagent bottle;
the central shaft 30 penetrates through the middle part of the rotating body and is inserted into the mounting base 21, the lower part of the central shaft 30 is sequentially sleeved with a miniature thrust ball plane bearing 34 and a graphite self-lubricating copper sleeve 35, so that the central shaft 30 is in rolling contact with the upper cover plate 23 through the miniature thrust ball plane bearing 34, and the central shaft 30 is in indirect contact with the silica gel sheet 22 and the rotating disc 20 through the graphite self-lubricating copper sleeve 35;
the quartz capillary fixing arm 10 is horizontally arranged, the upper end of the central shaft 30 penetrates through one end of the quartz capillary fixing arm 10 and is locked and fixed through the locking bolt 14, a sleeve 32 and a compression nut 31 are sequentially arranged on the central shaft 30 corresponding to the upper end of the quartz capillary fixing arm 10, and a compression spring 33 is sleeved on the central shaft 30 corresponding to the space between the lower end of the quartz capillary fixing arm 10 and the rotating body, so that the lower end of the compression spring 33 is in contact with the upper end of the miniature thrust ball plane bearing 34;
two mounting holes are vertically formed in the other end of the quartz capillary fixing arm 10, so that the distance from the two mounting holes to the central shaft 30 corresponds to the radius of a large circumference and the radius of a small circumference;
a hexagonal taper sleeve 13 is matched and arranged in each mounting hole, a hexagonal compression screw 12 is matched and arranged on a cylindrical hole at the upper end of the hexagonal taper sleeve 13 in a threaded manner, and a graphite taper sleeve 11 is arranged in a conical hole of the hexagonal taper sleeve 13;
when the device is used, the corresponding mounting hole and reagent bottle jack are selected, the reagent bottle is inserted into the reagent bottle jack, the turntable 20 is rotated, the reagent bottle is sequentially positioned at a station to be tested, namely, directly under the mounting hole, the quartz capillary 15 passes through the hexagonal taper sleeve 13 to extend downwards to the corresponding reagent bottle mouth, the hexagonal compression screw 12 is screwed, and the graphite taper sleeve 11 deforms towards the center to clamp the quartz capillary 15.
Further, the central shaft 30 is a step shaft, an upper shaft body of the step shaft vertically passes through the quartz capillary fixing arm 10, and is sequentially sleeved with the sleeve 32 and the compression nut 31, and the lower end of the sleeve 32 is pressed at the upper end of the corresponding quartz capillary fixing arm 10 by adjusting the compression nut 31.
Further, the upper end and the lower end of the outer cylindrical surface of the lower shaft body of the central shaft 30 are correspondingly provided with a vertical upper positioning plane and a vertical lower positioning plane, when the upper shaft body of the step shaft vertically passes through the quartz capillary fixing arm 10, the locking bolt 14 is horizontally inserted into one end of the quartz capillary fixing arm 10, and the locking bolt 14 is screwed to enable the end part of the locking bolt 14 to be abutted against the corresponding upper positioning plane;
a sliding groove is formed in the bottom end of the mounting base 21, and an anti-rotation sliding block 36 is arranged in the sliding groove, so that the anti-rotation sliding block 36 is abutted against the lower positioning plane and locked and fixed through threads.
Further, ball plungers 26 are uniformly arranged on the lower end portion of the turntable 20 in the same circumferential direction, so that the ball plungers 26 correspond to the reagent bottle jacks on the large circumference one by one and are positioned on the same radial direction of the turntable 20;
spherical grooves are uniformly formed in the mounting base 21, and the spherical grooves are in one-to-one correspondence with the ball plungers 26.
Further, 8 reagent bottle jacks are uniformly formed on the large circumference of the rotating body, and large reagent bottles 24 are matched and inserted on the large reagent bottle jacks; 4 reagent bottle jacks are uniformly arranged on the small circumference of the rotating body, the small reagent bottle jacks are used for accommodating small reagent bottles 25 in a matched manner.
Further, the middle part of the outer cylindrical surface of the turntable 20 is provided with diagonal knurls for manually rotating the turntable 20.
The beneficial technical effects of the utility model are as follows:
the utility model relates to a reliable clamp for a rotary disk of a mass spectrum headspace sampling reagent bottle, which is horizontally arranged at the upper end of a mounting base, wherein the upper end of the rotary disk is provided with a circular groove, a silica gel sheet and an upper cover plate are sequentially matched in the circular groove from bottom to top, and the rotary disk is fixed into a whole through threads; one end of the quartz capillary fixing arm is fixed on the upper part of the central shaft through a locking bolt lock, and the other end of the quartz capillary fixing arm is vertically provided with two mounting holes, and a hexagonal taper sleeve is matched in the mounting holes; the reagent bottle is inserted into a reagent bottle jack, the turntable is rotated, so that the reagent bottle is sequentially positioned at a station to be tested, the quartz capillary tube passes through the hexagonal sleeve and extends downwards to a corresponding reagent bottle opening, and the hexagonal compression screw is screwed, so that the graphite taper sleeve deforms towards the center to clamp the quartz capillary tube;
therefore, the reliable clamp provided by the utility model has the advantages that the reagent bottle jack is formed in the rotating body, the reagent bottle can be reliably clamped and installed, the graphite taper sleeve deforms towards the center to clamp the quartz capillary, the position relationship between the reagent bottle and the sampling port (quartz capillary port) is restrained, and the data difference caused by the influence of the position relationship placed outside is avoided; meanwhile, the utility model realizes quick replacement of various reagents without changing the position relation between the reagent bottle and the sampling port by rotating the turntable, can ensure that the position tolerance between the reagent bottle mouth and the quartz capillary sampling port is less than 0.5 mm when another tested sample is switched at the fastest speed of s during the sampling of the mass spectrum headspace, realizes quick and accurate replacement of the tested sample of the reagent bottle, realizes combination of the tested sample in the reagent bottle and a mass spectrum instrument, has uniform placement position of each group of samples during the headspace detection of the mass spectrum instrument, and also strictly controls the position relation between the ratio, the capacity and the liquid level of the tested sample and the sampling port, thereby realizing more scientific and standard implementation steps.
Drawings
Fig. 1 is a schematic structural view of a reliable clamp for a rotary disk of a mass spectrometry headspace sampling reagent bottle according to the present utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a B-B cross-sectional view of fig. 2.
Fig. 5 is a schematic structural view of the central shaft of the present utility model.
Fig. 6 is a diagram of the use of a reliable clamp for a rotating disk of a mass spectrometry headspace sampling reagent bottle according to the present utility model.
Wherein: the device comprises a quartz capillary fixing arm 10, a graphite taper sleeve 11, a hexagonal compression screw 12, a hexagonal taper sleeve 13, a locking bolt 14, a quartz capillary 15, a turntable 20, a mounting base 21, a silica gel sheet 22, an upper cover plate 23, a small reagent bottle 24, a large reagent bottle 25, a ball plunger 26, an M3 inner hexagonal cylindrical head screw 27, a central shaft 30, a compression nut 31, a sleeve 32, a compression spring 33, a miniature thrust ball plane bearing 34, a graphite self-lubricating copper sleeve 35 and an anti-rotation sliding block 36.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model.
Examples
Referring to fig. 1, a reliable clamp for a rotary disk of a mass spectrometry headspace sampling reagent bottle comprises a rotary disk 20, a central shaft 30 and a quartz capillary stationary arm 10; the middle part of the outer cylindrical surface of the turntable 20 is provided with diagonal knurls for manually rotating the turntable 20, so that the turntable 20 rotates around the central shaft 30.
Referring to fig. 2 and 3, the turntable 20 is horizontally arranged at the upper end of the mounting base 21, the upper end of the turntable 20 is provided with a circular groove, a silica gel sheet 22 and an upper cover plate 23 are sequentially matched in the circular groove from bottom to top, and the circular groove is fixed into an integrated rotating body through a hexagonal cylindrical head screw 27 in the M3; at least 4 reagent bottle jacks are uniformly formed in the large circumference of the rotating body, at least 4 reagent bottle jacks are uniformly formed in the small circumference of the rotating body, the aperture formed in each silica gel sheet 22 is smaller than the aperture of the corresponding reagent bottle jack and used for clamping a reagent bottle, the silica gel sheets 22 are in soft contact with the reagent bottle, and the reagent bottle is placed in a station hole without gaps or soft contact, so that the phenomenon of misalignment or shaking cannot be caused.
The central shaft 30 penetrates through the middle part of the rotating body and is inserted into the mounting base 21, the lower part of the central shaft 30 is sequentially sleeved with a miniature thrust ball plane bearing 34 and a graphite self-lubricating copper sleeve 35, so that the central shaft 30 is in rolling contact with the upper cover plate 23 through the miniature thrust ball plane bearing 34, and the central shaft 30 is in indirect contact with the silica gel sheet 22 and the rotating disc 20 through the graphite self-lubricating copper sleeve 35;
the graphite self-lubricating copper sleeve 35 reduces the abrasion of the central shaft 30 in long-term use, the upper end of the miniature thrust ball plane bearing 34 is contacted with the compression spring 33, the flexible constraint is carried out on the vertical direction transmission of the turntable 20 under the compression of the compression spring 33, the miniature thrust ball plane bearing 34 mainly acts as a supporting mechanical rotating body, the friction of the mechanical rotating body in the moving process is reduced, the rotation precision of the mechanical rotating body is ensured, and the miniature thrust ball plane bearing plays a vital role in prolonging the service life of a clamp.
The quartz capillary fixing arm 10 is horizontally arranged, the upper end of the central shaft 30 penetrates through one end of the quartz capillary fixing arm 10, a proper position can be axially adjusted in a sliding mode along the central shaft 30, the quartz capillary fixing arm is locked and fixed through the locking bolt 14, a sleeve 32 and a compression nut 31 are sequentially arranged on the central shaft 30 corresponding to the upper end of the quartz capillary fixing arm 10, a compression spring 33 is sleeved on the central shaft 30 corresponding to the space between the lower end of the quartz capillary fixing arm 10 and the rotating body, and the lower end of the compression spring 33 is in contact with the upper end of the miniature thrust ball plane bearing 34;
when the locking bolt 14 is unscrewed, the relative positions of the quartz capillary fixing arm 10 and the reagent bottle mouth are greatly adjusted, after the positions are adjusted to the required positions, the locking bolt 14 is screwed, the compression nut 31 is screwed, so that the lower end of the sleeve 32 abuts against the upper end of the quartz capillary fixing arm 10, the quartz capillary fixing arm 10 is further fixed, and the quartz capillary fixing arm is not easy to displace during working.
Two mounting holes are vertically formed in the other end of the quartz capillary fixing arm 10, so that the distance from the two mounting holes to the central shaft 30 corresponds to the radius of a large circumference and the radius of a small circumference;
a hexagonal taper sleeve 13 is matched and arranged in each mounting hole, a hexagonal compression screw 12 is matched and arranged on a cylindrical hole at the upper end of the hexagonal taper sleeve 13 in a threaded manner, and a graphite taper sleeve 11 is arranged in a conical hole of the hexagonal taper sleeve 13; under the condition that the quartz capillary 15 is mutually locked by the hexagonal compression screw 12 and the hexagonal pyramid sleeve 13 during operation, the graphite pyramid sleeve 11 deforms towards the center under the constraint of pressure and taper, and the quartz capillary 15 is firmly clamped.
The upper end of the compression spring 33 is closely attached to the lower end of the quartz capillary fixed arm 10, the lower end of the compression spring 33 is contacted with the upper end of the miniature thrust ball plane bearing 34, the lower end of the compression spring 33 is used for pressing the rotary table 20, the upper top quartz capillary fixed arm 10 is always in a tensioning state when the quartz capillary fixed arm 10 is adjusted, and the rotary table 20 is flexibly restrained to drive in the vertical direction under the pressing of the compression spring 33.
Referring to fig. 4, ball plungers 26 are uniformly arranged on the lower end portion of the turntable 20 in the same circumferential direction, and the ball plungers 26 are screwed into the lower portion of the turntable 20 through M5 ball plunger screws, so that the ball plungers 26 are in one-to-one correspondence with reagent bottle insertion holes on the large circumference and are positioned on the same radial direction of the turntable 20; the mounting base 21 is uniformly provided with spherical grooves, and the spherical grooves are in one-to-one correspondence with the ball plungers 26, so that the ball heads of the ball plungers 26 are positioned in the corresponding spherical grooves.
Referring to fig. 5, the central shaft 30 is a stepped shaft, an upper shaft body of the stepped shaft vertically passes through the quartz capillary fixing arm 10, and is sequentially sleeved with the sleeve 32 and the compression nut 31, and the lower end of the sleeve 32 is pressed on the upper end of the corresponding quartz capillary fixing arm 10 by adjusting the compression nut 31.
The upper end and the lower end of the outer cylindrical surface of the lower shaft body of the central shaft 30 are correspondingly provided with a vertical upper positioning plane and a vertical lower positioning plane, when the upper shaft body of the step shaft vertically passes through the quartz capillary fixing arm 10, the locking bolt 14 is horizontally inserted into one end of the quartz capillary fixing arm 10, and the locking bolt 14 is screwed to enable the end of the locking bolt 14 to be abutted against the corresponding upper positioning plane, so that the quartz capillary fixing arm 10 is kept at a relative angle position.
A sliding groove is formed in the bottom end of the mounting base 21, and an anti-rotation sliding block 36 is arranged in the sliding groove, so that the anti-rotation sliding block 36 is abutted against the lower positioning plane and is locked and fixed through threads, and the central shaft 30 is restrained from rotating axially.
When the device is used, the corresponding mounting holes and reagent bottle insertion holes are selected, the reagent bottles are inserted into the reagent bottle insertion holes, the turntable 20 is rotated, so that the reagent bottles are sequentially positioned at a station to be tested, namely, right below the mounting holes, the quartz capillary 15 penetrates through the hexagonal cone sleeve 13 to extend downwards to the corresponding reagent bottle mouth, the hexagonal compression screw 12 is screwed, and the graphite cone sleeve 11 deforms towards the center to clamp the quartz capillary 15.
8 reagent bottle jacks are uniformly formed in the large circumference of the rotating body, and large reagent bottles 24 are matched and inserted in the large reagent bottle jacks; 4 reagent bottle jacks are uniformly formed in the small circumference of the rotating body, the small reagent bottle jacks are internally matched with and inserted with small reagent bottles 25, the small reagent bottles 25 are 3 mL reagent bottles, and the large reagent bottles 24 are 10 mL reagent bottles.
Therefore, the reliable clamp of the utility model realizes the restraint of the position relationship between the reagent bottle and the sampling port (quartz capillary port), and avoids the influence of the position relationship placed outside on the repeated collection, thereby causing data difference; meanwhile, the utility model realizes quick replacement of various reagents without changing the position relation between the reagent bottle and the sampling port by rotating the rotary table 20, can ensure that the switching of another tested sample is completed by 1. 1 s at the fastest speed when the mass spectrum headspace is sampled, has the position tolerance of less than 0.5 mm between the reagent bottle mouth and the quartz capillary 15 sampling pipe mouth, realizes quick and accurate completion of the replacement of the tested sample of the reagent bottle, realizes the combination of the tested sample in the reagent bottle and a mass spectrum instrument, has uniform placement position for each group of samples in the mass spectrum instrument headspace detection, and also strictly controls the position relation between the tested sample proportion, capacity, liquid level and the sampling port, and is more scientific and standard and better in the implementation steps.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. A reliable anchor clamps that is used for mass spectrum headspace sampling reagent bottle rotary disk, its characterized in that: comprises a rotary table (20), a central shaft (30) and a quartz capillary fixing arm (10);
the rotary table (20) is horizontally arranged at the upper end of the mounting base (21), a round groove is formed in the upper end of the rotary table (20), a silica gel sheet (22) and an upper cover plate (23) are sequentially matched in the round groove from bottom to top, and the rotary table is fixed into an integrated rotary body through threads; at least 4 reagent bottle jacks are uniformly arranged on the large circumference of the rotating body, at least 4 reagent bottle jacks are uniformly arranged on the small circumference of the rotating body, and the aperture of each silica gel sheet (22) is smaller than the aperture of the corresponding reagent bottle jack, so that the silica gel sheets (22) can clamp reagent bottles;
the central shaft (30) penetrates through the middle part of the rotating body and is inserted into the mounting base (21), and a miniature thrust ball plane bearing (34) and a graphite self-lubricating copper sleeve (35) are sequentially sleeved on the lower part of the central shaft (30), so that the central shaft (30) is in rolling contact with the upper cover plate (23) through the miniature thrust ball plane bearing (34), and the central shaft (30) is in indirect contact with the silica gel sheet (22) and the rotary table (20) through the graphite self-lubricating copper sleeve (35);
the quartz capillary fixing arm (10) is horizontally arranged, the upper end of the central shaft (30) penetrates through one end of the quartz capillary fixing arm (10) and is locked and fixed through the locking bolt (14), a sleeve (32) and a compression nut (31) are sequentially arranged on the central shaft (30) corresponding to the upper end of the quartz capillary fixing arm (10), and a compression spring (33) is sleeved on the central shaft (30) corresponding to the space between the lower end of the quartz capillary fixing arm (10) and the rotating body, so that the lower end of the compression spring (33) is in contact with the upper end of the miniature thrust ball plane bearing (34);
two mounting holes are vertically formed in the other end of the quartz capillary fixing arm (10), so that the distance from the two mounting holes to the central shaft (30) corresponds to the radius of a large circumference and the radius of a small circumference;
a hexagonal taper sleeve (13) is arranged in each mounting hole in a matched mode, a hexagonal compression screw (12) is arranged on a cylindrical hole at the upper end of the hexagonal taper sleeve (13) in a threaded mode, and a graphite taper sleeve (11) is arranged in a conical hole of the hexagonal taper sleeve (13);
during the use, select corresponding mounting hole and reagent bottle jack, the reagent bottle inserts in the reagent bottle jack, rotates carousel (20) for the reagent bottle is located the station that awaits measuring in proper order, promptly under the mounting hole, and quartz capillary (15) pass hexagonal taper sleeve (13) downwardly extending to the reagent bottleneck that corresponds, screw hexagonal compression screw (12) for graphite taper sleeve (11) press from both sides quartz capillary (15) to the central deformation.
2. A reliable fixture for a mass spectrometry headspace sampling reagent bottle carousel as recited in claim 1, wherein: the central shaft (30) is a step shaft, an upper shaft body of the step shaft vertically penetrates through the quartz capillary fixing arm (10), the sleeve (32) and the compression nut (31) are sequentially sleeved, and the lower end of the sleeve (32) is pressed at the upper end of the corresponding quartz capillary fixing arm (10) by adjusting the compression nut (31).
3. A reliable fixture for a mass spectrometry headspace sampling reagent bottle carousel as claimed in claim 2, wherein: the upper end and the lower end of the outer cylindrical surface of the lower shaft body of the central shaft (30) are correspondingly provided with a vertical upper positioning plane and a vertical lower positioning plane, when the upper shaft body of the step shaft vertically passes through the quartz capillary fixing arm (10), the locking bolt (14) is horizontally inserted into one end of the quartz capillary fixing arm (10), and the locking bolt (14) is screwed to enable the end part of the locking bolt (14) to be abutted against the corresponding upper positioning plane;
a sliding groove is formed in the bottom end of the mounting base (21), an anti-rotation sliding block (36) is arranged in the sliding groove, and the anti-rotation sliding block (36) is abutted to the lower positioning plane and locked and fixed through threads.
4. A reliable fixture for a mass spectrometry headspace sampling reagent bottle carousel as recited in claim 1, wherein: the ball plungers (26) are uniformly arranged on the lower end part of the turntable (20) in the same circumferential direction, so that the ball plungers (26) are in one-to-one correspondence with the reagent bottle jacks on the large circumference and are positioned on the same radial direction of the turntable (20);
spherical grooves are uniformly formed in the mounting base (21), and the spherical grooves are in one-to-one correspondence with the ball plungers (26).
5. A reliable fixture for a mass spectrometry headspace sampling reagent bottle carousel as recited in claim 1, wherein: 8 reagent bottle jacks are uniformly arranged on the large circumference of the rotating body, 4 reagent bottle jacks are uniformly arranged on the small circumference of the rotating body, and the aperture of each reagent bottle jack on the large circumference is larger than that of each reagent bottle jack on the small circumference.
6. A reliable fixture for a mass spectrometry headspace sampling reagent bottle carousel as recited in claim 1, wherein: the outer cylindrical surface of the rotary table (20) is provided with diagonal knurls for manually rotating the rotary table (20).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023203400852 | 2023-02-28 | ||
| CN202320340085 | 2023-02-28 |
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| Publication Number | Publication Date |
|---|---|
| CN219286340U true CN219286340U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320544289.8U Active CN219286340U (en) | 2023-02-28 | 2023-03-20 | A reliable anchor clamps for mass spectrum headspace sampling reagent bottle rotary disk |
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| Country | Link |
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| CN (1) | CN219286340U (en) |
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2023
- 2023-03-20 CN CN202320544289.8U patent/CN219286340U/en active Active
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