Disclosure of Invention
According to an embodiment of the present invention, there is provided a cuvette assembly including:
the grinding pipe is used for placing an external grinding sample;
the grinder is arranged in the grinding pipe and is used for grinding the ground sample;
and the extraction module is connected with the grinding pipe and is used for extracting the fine liquid of the ground sample after grinding and centrifugation.
Further, the grinder comprises: and the grinding balls are arranged in the grinding pipe and are used for grinding the grinding sample.
Further, the extraction module comprises:
the extraction tube is connected with the grinding tube;
the test tube cover is inserted into the extraction tube, so that an extraction cavity is formed at the bottom of the extraction tube, and the top of the test tube cover is connected with the extraction tube;
the extraction ports are circumferentially and uniformly arranged on the outer wall of the bottom of the extraction pipe and are communicated with the extraction cavity;
the plurality of breathing ports are circumferentially and uniformly arranged on the outer wall of the top of the extraction pipe and are used for gas circulation;
and the filtering film is sleeved on the outer wall of the extraction pipe and covers the plurality of extraction ports and the plurality of breathing ports.
Further, the sample face of the ground sample located within the grinding tube is located between the extraction port and the breathing port.
According to another embodiment of the present invention, there is provided an adapter for holding a cuvette assembly, including:
the adapter seat is provided with at least one test tube sleeve for placing a test tube assembly and is connected with an external rotary centrifugal grinder;
and the test tube gland module is connected with the adapter seat and the rotary centrifugal grinding machine and is used for compressing the test tube assembly.
Further, the test tube capping module comprises:
the bottom of the test tube gland is clamped with the top of the adapter seat, and the edge of the test tube gland is pressed on the test tube assembly;
screwing a nut, wherein the screwing nut is arranged at the top of the test tube gland;
the screw core is embedded in the screwing nut and is in threaded connection with one side of the external rotary centrifugal grinding machine.
Further, the test tube capping module further comprises:
the first bayonet is arranged at the bottom of the test tube gland;
the second bayonet is arranged at the top of the adapter seat, the second bayonet is matched with the first bayonet in shape and clamped with the first bayonet, and the first bayonet and the second bayonet are triangular bayonets for clamping the test tube gland and the adapter seat.
Further, the test tube capping module further comprises: the retaining ring is arranged at the bottom end of the screwing nut.
According to a further embodiment of the invention, a rotary centrifugal grinder is provided comprising an adapter and a rotary oscillating drive mechanism, the adapter being connected to the rotary oscillating drive mechanism.
Further, the method also comprises the following steps: and the multilayer damping mechanism is arranged at the bottom of the rotary oscillation driving mechanism.
According to the test tube assembly, the adapter and the rotary centrifugal grinder provided by the embodiment of the invention, the grinding and centrifugal operation can be simultaneously carried out on the sample, and the fine liquid of the upper layer sample after grinding and centrifugation is automatically extracted, so that the working procedures are reduced, the operation steps are saved, and the efficiency is greatly improved. The device has good compression and anti-loosening effects, prevents equipment from loosening when in use, and ensures the reliability of the equipment.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Detailed Description
The present invention will be further explained by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings.
First, a test tube assembly for automatically extracting a fine liquid after grinding and centrifugation of a sample according to an embodiment of the present invention will be described with reference to fig. 1 to 2, which has a wide application range.
As shown in fig. 1-2, a test tube assembly according to an embodiment of the present invention includes: grinding pipe 1, mill and extraction module.
Specifically, as shown in fig. 1-2, in this embodiment, grinding pipe 1 is used for placing outside grinding sample, the grinder sets up in grinding pipe 1 for grind the grinding of sample, the extraction module links to each other with grinding pipe 1, grind the appearance through test tube assembly and outside, centrifuge or rotatory centrifugal grinder are connected, can rotate test tube assembly, after the centrifugation, the extraction module extracts the thin liquid of grinding the grinding sample after the centrifugation, thereby need not artifical the extraction, save the cost of labor, raise the efficiency.
Further, as shown in fig. 1-2, in the present embodiment, the grinder includes: grinding ball 21, grinding ball 21 set up in grinding pipe 1 for grind the grinding of sample, can carry out the up-and-down and three-dimensional operation (8 style of calligraphy motion) around the small-scale of large-scale through rotatory centrifugal grinder at test tube subassembly, play the effect of grinding the sample.
Further, as shown in fig. 1-2, in the present embodiment, the extraction module includes: an extraction tube 31, a test tube cap 32, a plurality of extraction ports 33, a plurality of breathing ports 34, and a filter membrane 35. Extraction tube 31 links to each other with grinding tube 1, test tube lid 32 inserts and forms the extraction chamber with the bottom of extraction tube 31 in the extraction tube 31, test tube lid 32's top links to each other with extraction tube 31, a plurality of extraction mouth 33 circumference evenly sets up on the bottom outer wall of extraction tube 31, through adopting a plurality of extraction mouth 33 and a plurality of breath mouth 34, can effectively extract the upper lotion of sample, extraction mouth 33 and extraction chamber intercommunication, a plurality of breath mouth 34 circumference evenly sets up on the top outer wall of extraction tube 31, be used for gaseous circulation, filter film 35 overlaps on establishing the outer wall of extraction tube 31, filter film 35 covers a plurality of extraction mouths 33 and a plurality of breath mouth 34, extraction mouth 33 is used for carrying out the extraction of the upper strata trickle of sample through filter film 35, breath mouth 34 is used for guaranteeing grinding tube 1 and extraction tube 31's pressure balance, do benefit to the trickle extraction of sample.
Further, as shown in fig. 2, in the present embodiment, the sample surface of the ground sample located in the grinding pipe 1 is located between the extraction port 33 and the breathing port 34, so that the sample surface of the sample is prevented from being excessively high to block the breathing port 34, and the pressure balance cannot be ensured.
When the centrifugal grinding machine is used, the rotary centrifugal grinding machine is installed on the test tube assembly, the test tube assembly is subjected to large-scale up-and-down and small-scale front-and-back three-dimensional operation ('8' -shaped motion) through the rotary centrifugal grinding machine, a sample is ground through the grinding balls 21 in the grinding tube 1 to form a thin sample, then the sample in the grinding tube 1 is subjected to centrifugation in a rotating mode, the thick sample is thrown to the bottom of the grinding tube 1, the thin sample enters the extraction cavity from the extraction ports 33 through the filtering film 35 under the centrifugal effect, and extraction is completed.
The test tube assembly according to the embodiment of the invention is described above with reference to fig. 1-2, and can automatically extract the upper layer sample fine liquid after grinding and centrifugation, thereby reducing the processes, saving the operation steps and greatly improving the efficiency.
As shown in fig. 3 to 5, according to another embodiment of the present invention, there is provided an adapter for fixing a test tube assembly, including: adapter seat 4 and test tube capping module.
As shown in fig. 3 to 5, in this embodiment, the adapter seat 4 is provided with at least one test tube sleeve 41 for placing the test tube assembly 42, the adapter seat 4 is connected to an external rotary centrifugal grinder, and the test tube capping module is connected to the adapter seat 4 and the rotary centrifugal grinder for compressing the test tube assembly 42, so that the test tube assembly 42 can be fixed and compressed to prevent loosening by the mutual cooperation of the adapter seat 4 and the test tube capping module.
Further, as shown in fig. 3-5, in this embodiment, the test tube capping module includes: test tube gland 51, tightening nut 52 and threaded core 53. The bottom of test tube gland 51 and the top joint of adapter seat 4, the marginal pressfitting of test tube gland 51 is on the test tube subassembly, screw nut 52 sets up the top at test tube gland 51, screw core 53 inlays the inside of establishing at screw nut 52, screw core 53 is connected with modes such as screw nut 52 accessible interference, screw core 53 and one side threaded connection who grinds the machine with outside rotatory centrifugation, in order to reduce weight, increase the threaded connection reliability, screw core 53 adopts the high strength material preparation, screw nut 52 and gland adopt the preparation of low density material.
Further, as shown in fig. 3-5, in this embodiment, the test tube capping module further includes: a first bayonet 54 and a second bayonet (not shown). First bayonet socket 54 sets up the bottom at test tube gland 51, the second bayonet socket sets up the top at adapter seat 4, the second bayonet socket and 54 shape phase-matchs of first bayonet socket and mutual chucking, be used for chucking test tube gland 51 and adapter base, first bayonet socket 54 and second bayonet socket are the triangle-shaped bayonet socket, through the design that adopts the triangle-shaped bayonet socket, can let test tube gland 51 and adapter base chucking, and through screw core 53 with one side threaded connection who grinds the machine with outside rotatory centrifugation, the mode of double-locking, can realize compressing tightly and relaxing of test tube subassembly 42.
Further, as shown in FIGS. 3-4, the test tube capping module further comprises: the retainer ring 55 and the retainer ring 55 are arranged at the bottom of the tightening nut 52, and the test tube gland 51, the tightening nut 52 and the thread core 53 can be connected together without separation through the design of the retainer ring 55.
The adapter according to the embodiment of the invention has the advantages of having good compression and anti-loosening effects, preventing equipment from loosening when in use and ensuring the reliability of the equipment as described above with reference to fig. 3-5.
As shown in fig. 6 to 7, according to another embodiment of the present invention, a rotary centrifugal grinder is provided, which includes an adapter 6 and a rotary oscillation driving mechanism 7, wherein the adapter 6 is connected to the rotary oscillation driving mechanism 7, the rotary oscillation driving mechanism 7 in this case can adopt a single-motor rotary oscillation driving mechanism and a dual-motor rotary oscillation driving mechanism, so as to realize the 8-shaped running (grinding) and high-speed rotation (centrifugation) of a test tube assembly, and realize the automatic grinding and automatic fine liquid extraction of a sample in the test tube assembly, and the adapter 6 has good pressing and anti-loosening effects, so as to prevent the device from loosening during use, and ensure the reliability of the device.
Further, as shown in fig. 6 to 7, in the embodiment, the rotating centrifugal grinder in the embodiment of the present invention further includes: multilayer damper 8, multilayer damper 8 set up in rotary oscillation actuating mechanism 7's bottom, and multilayer damper 8 contains double-deck bottom plate and double-deck installation foot (elastic element) to realize multi-level damping system, reduce the vibration of equipment during operation.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.