CN117929080B - Sample preparation device for water environment detection - Google Patents
Sample preparation device for water environment detection Download PDFInfo
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- CN117929080B CN117929080B CN202410338997.5A CN202410338997A CN117929080B CN 117929080 B CN117929080 B CN 117929080B CN 202410338997 A CN202410338997 A CN 202410338997A CN 117929080 B CN117929080 B CN 117929080B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000001376 precipitating effect Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention discloses a sample preparation device for water environment detection, which relates to the technical field of water environment detection, and comprises a box body and a supporting frame arranged on the top surface of the box body, wherein a sample frame is arranged above the box body, a driving assembly is arranged on the bottom surface of the sample frame, a water storage cylinder is arranged on the supporting frame, a stirring piece is arranged in the water storage cylinder, a liquid injection mechanism is arranged on one side of the water storage cylinder, and a connecting mechanism is arranged in the box body; through the use of the connecting mechanism, the stirring piece is convenient to stir the water sample continuously, and some substances in the water sample are prevented from precipitating, so that the substances in the water sample are distributed uniformly, the accuracy of water sample data measurement is further improved, and the error of water sample detection is reduced; meanwhile, the rotation of the sample rack can be controlled firstly, so that the water sample is injected into the sample pipe by the liquid injection mechanism after the sample pipe rotates to the bottom of the liquid injection pipe, and the preparation of the water sample is realized; the operation is simple and convenient, and the working efficiency of water sample preparation is improved.
Description
Technical Field
The invention relates to the technical field of water environment detection, in particular to a sample preparation device for water environment detection.
Background
The water environment monitoring is to take the water environment as an object, and perform qualitative, quantitative and systematic comprehensive analysis on pollutants and related components thereof by using physical, chemical and biological technical means so as to explore and research the change rule of the water environment quality; the water environment monitoring provides reliable basic data for water environment management and scientific basis for the effect evaluation of treatment measures; in order to enable the monitoring data to accurately reflect the quality current condition of the water environment and predict the water environment pollution development trend, the water environment monitoring data is required to have representativeness, accuracy, precision, parallelism, repeatability, integrity and comparability; in water environment monitoring, sample preparation is required for sampling water, so that a sample preparation device is required;
When a water sample is prepared, the existing sample preparation device installs a certain amount of sampled water into each sample tube, but the sampled water contains some precipitated substances, so that the substances are unevenly distributed in the water, and the content of the substances in the water in each sample tube is easily different, so that the accuracy of water sample detection data is affected; meanwhile, when a sample is prepared, a worker needs to manually inject the water sample into the sample flat tube, so that the workload of the worker is improved, and the risk of pollution of the water sample is increased; therefore, a sample preparation device for water environment detection is provided to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a sample preparation device for water environment detection.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The sample preparation device for water environment detection comprises a box body and a supporting frame arranged on the top surface of the box body, wherein a sample rack is arranged above the box body, a plurality of placing grooves are formed in the sample rack, sample pipes are arranged in the placing grooves, a driving component for driving the sample rack is arranged on the bottom surface of the sample rack, a water storage cylinder is arranged on the supporting frame, a stirring piece is arranged in the water storage cylinder, a liquid injection mechanism is arranged on one side of the water storage cylinder, and a connecting mechanism for connecting the stirring piece, the liquid injection mechanism and the driving component is arranged in the box body;
The connecting mechanism comprises a rectangular frame arranged on the inner top surface of the box body in a sliding manner, a movable block arranged in the rectangular frame in a sliding manner and a first extrusion spring arranged between the movable block and the rectangular frame, wherein one side of the rectangular frame is provided with a mounting plate, one side of the mounting plate is provided with an electric telescopic rod, and the electric telescopic rod is fixedly arranged on the inner top surface of the box body.
Preferably, the driving assembly comprises a connecting shaft arranged at the bottom of the sample rack, the bottom of the connecting shaft movably penetrates into the box body and is provided with a first gear, a first bar-shaped toothed plate meshed with the first gear is slidably arranged on one side surface of the movable block, and a separating piece for separating the first gear from the first bar-shaped toothed plate is arranged on the top surface in the box body.
Preferably, the separating piece comprises a return groove formed in the inner top surface of the box body, a sliding column is arranged in the return groove in a sliding mode, the sliding column is fixedly connected with a first strip-shaped toothed plate, a rectangular cavity is formed in one side surface of the return groove, a propping block is arranged in the rectangular cavity in a sliding mode, a first return spring is arranged between the propping block and the rectangular cavity, and one side in the return groove is an inclined surface.
Preferably, a rectangular groove is formed in one side surface of the movable block, the first strip-shaped toothed plate is arranged in the rectangular groove in a sliding mode, and a second extrusion spring is arranged between the first strip-shaped toothed plate and the rectangular groove.
Preferably, the stirring piece comprises a stirring shaft which is arranged in the water storage cylinder in a rotating mode, a plurality of stirring rods which are uniformly arranged on the outer wall of the stirring shaft, and a plurality of stirring blades which are arranged on the stirring rods, wherein the bottom of the stirring shaft movably penetrates into the box body and is provided with a gear II, and a strip-shaped toothed plate II meshed with the gear II is arranged on the side face of the rectangular frame.
Preferably, the liquid injection mechanism comprises a cylinder arranged above the sample frame and a liquid injection pipe arranged at the bottom of the cylinder, a sliding plate is arranged in the cylinder in a sliding manner, a water guide pipe communicated with the water storage cylinder is arranged on the sliding plate, the water guide pipe is arranged in a sliding manner with the cylinder, a plugging rod matched with the water guide pipe is arranged on the inner wall of the cylinder, and a driving piece is arranged on the outer wall of the cylinder.
Preferably, the driving piece is including setting up the connecting rod on the cylinder outer wall, the rectangle opening has been seted up to the cooperation connecting rod on the carriage side, just connecting rod one end activity runs through the rectangle opening, be equipped with reset spring two between connecting rod and the rectangle opening, rotate on the carriage inner wall of rectangle opening below and be provided with a plurality of fixed pulleys, the connecting rod bottom is equipped with the haulage rope, just the haulage rope passes the fixed pulley respectively and with rectangle frame side fixed connection.
Compared with the prior art, the invention has the beneficial effects that:
1. Through the use of the connecting mechanism, the stirring piece is convenient to stir the water sample continuously, and some substances in the water sample are prevented from precipitating, so that the substances in the water sample are distributed uniformly, the accuracy of water sample data measurement is further improved, and the error of water sample detection is reduced; meanwhile, the rotation of the sample rack can be controlled firstly, so that the water sample is injected into the sample pipe by the liquid injection mechanism after the sample pipe rotates to the bottom of the liquid injection pipe, and the preparation of the water sample is realized; the operation is simple and convenient, and the working efficiency of water sample preparation is improved;
2. The connecting mechanism drives the driving assembly to work, so that the sample rack can be conveniently rotated for 60 degrees each time, the other sample pipe can be conveniently rotated to be right below the liquid injection pipe, the operation is simple and convenient, and the working efficiency of sample preparation is improved; the first strip-shaped toothed plate and the first gear are conveniently separated after the sample rack rotates through the use of the separating piece, so that the phenomenon that a new sample tube cannot rotate to the bottom of the liquid injection tube due to the reverse rotation of the first gear caused by resetting of the first strip-shaped toothed plate is avoided, and continuous preparation of a water sample is facilitated;
3. According to the invention, the connecting mechanism drives the traction rope to move, so that the liquid injection pipe firstly stretches into the sample pipe, the water sample is prevented from dripping outside the sample pipe, and the water sample is prevented from being polluted due to exposure to air, thereby being convenient for protecting the water sample; then, the plugging rod on the water guide pipe is opened to enable the water sample to enter the sample pipe, so that the preparation of the water sample is realized, the manual operation is avoided, and the pollution risk brought by the water supply sample of a person is also reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a sectional structure of the invention from a back view;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of the connecting mechanism of the present invention from a first perspective;
FIG. 6 is a schematic view of a second view of the connecting mechanism of the present invention;
FIG. 7 is a schematic view of the connection structure of the support frame and the water storage drum side view of the present invention;
FIG. 8 is a partial enlarged view at B in FIG. 7;
FIG. 9 is a cross-sectional view of a cylinder barrel of the present invention;
fig. 10 is a cross-sectional view of the water storage cartridge of the present invention.
Number in the figure: 1. a case; 2. a support frame; 3. a sample holder; 4. a cylinder barrel; 5. a water storage cylinder; 6. a water conduit; 7. a first strip-shaped toothed plate; 8. a fixed pulley; 9. a traction rope; 10. a connecting shaft; 11. a first gear; 12. a movable block; 13. a second gear; 14. a second strip-shaped toothed plate; 15. a stirring shaft; 16. a rectangular frame; 17. an electric telescopic rod; 18. a mounting plate; 19. extruding a first spring; 20. extruding a second spring; 21. a sliding column; 22. a loop-shaped groove; 23. a butting block; 24. a first reset spring; 25. a rectangular cavity; 26. a liquid injection pipe; 27. a connecting rod; 28. a second reset spring; 29. a rectangular opening; 30. a stirring rod; 31. stirring the leaves; 32. a sample tube; 33. a plugging rod; 34. and (3) a sliding plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Embodiment one: referring to fig. 1-10, a sample preparation device for water environment detection comprises a box body 1 and a supporting frame 2 arranged on the top surface of the box body 1, wherein a sample frame 3 is arranged above the box body 1, six placing grooves for placing sample tubes 32 are arranged on the sample frame 3, a driving assembly for driving the sample frame 3 is arranged on the bottom surface of the sample frame 3, and through the use of the driving assembly, the sample frame 3 can be conveniently rotated for 60 degrees each time, so that the other sample tube 32 can be conveniently rotated to the position right below a liquid injection tube 26, the operation is simple and convenient, and the working efficiency of sample preparation is improved; the water storage cylinder 5 is arranged on the supporting frame 2, the stirring piece is arranged in the water storage cylinder 5, through the use of the stirring piece, the water sample in the water storage cylinder 5 is conveniently stirred, and substances in the water sample are prevented from precipitating, so that the substances in the water sample are conveniently and uniformly distributed, the accuracy of water sample data measurement is further improved, and the error of water sample detection is reduced; a liquid injection mechanism is arranged on one side of the water storage cylinder 5, and water samples are conveniently injected into the sample tube 32 through the use of the liquid injection mechanism, so that the preparation of the samples is realized; the box body 1 is internally provided with a connecting mechanism for driving the stirring piece, the liquid injection mechanism and the driving assembly; through the use of the connecting mechanism, the stirring piece can stir the water sample continuously, so that uneven distribution of substances caused by precipitation of the substances in the water sample is avoided, and the accuracy of data measurement of the water sample is further improved; meanwhile, the rotation of the sample rack 3 can be controlled firstly, so that the sample tube 32 rotates to the bottom of the liquid injection tube 26, and then the liquid injection mechanism injects the water sample into the sample tube 32, so that the preparation of the water sample is realized; the operation is simple and convenient, and the working efficiency of water sample preparation is improved.
The connecting mechanism comprises a rectangular frame 16 arranged on the inner top surface of the box body 1 in a sliding manner, a movable block 12 arranged in the rectangular frame 16 in a sliding manner and a first extrusion spring 19 arranged between the movable block 12 and the rectangular frame 16, wherein one side of the rectangular frame 16 is provided with a mounting plate 18, one side of the mounting plate 18 is provided with an electric telescopic rod 17, and the fixed end of the electric telescopic rod 17 is arranged on the inner top surface of the box body 1; the rectangular frame 16 is driven to reciprocate by the expansion of the electric expansion rod 17, so that the work of the stirring piece, the liquid injection mechanism and the driving assembly is realized, and the preparation of a water sample is further realized.
Embodiment two: the solution technology of the first embodiment is basically the same, except that in fig. 1-6, the driving assembly is driven to work by the connecting mechanism, and the driving assembly includes a connecting shaft 10 arranged at the bottom of the sample holder 3, and the bottom of the connecting shaft 10 movably penetrates into the box 1 and is provided with a first gear 11, a strip-shaped toothed plate 7 meshed with the first gear 11 is slidably arranged on one side surface of the movable block 12, and the number of teeth on the first strip-shaped toothed plate 7 is one sixth of the number of teeth of the first gear 11, namely, after all teeth on the first strip-shaped toothed plate 7 are meshed with teeth on the first gear 11, the first gear 11 rotates by 60 degrees, so that the sample holder 3 rotates by 60 degrees, the sample tube 32 at the bottom of the liquid injection tube 26 is convenient to replace, thereby facilitating continuous preparation of a water sample and improving the working efficiency of water sample preparation; the inner top surface of the box body 1 is provided with a separating piece for separating the gear I11 from the strip toothed plate I7; through the use of the separating piece, the strip toothed plate I7 is conveniently separated from the gear I11, and the phenomenon that the gear I11 is reversed when the strip toothed plate I7 resets to enable a new sample tube to be unable to rotate to the bottom of the liquid injection tube 26 is avoided, so that continuous preparation of a water sample is facilitated.
The separating piece comprises a square groove 22 which is arranged on the inner top surface of the box body 1, and the sliding column 21 is convenient to reset so that the strip-shaped toothed plate I7 and the gear I11 are meshed again; the sliding column 21 is arranged in the return-type groove 22 in a sliding manner, the sliding column 21 is fixedly connected with the first strip-shaped toothed plate 7, a rectangular cavity 25 is formed in one side surface of the return-type groove 22, a propping block 23 is arranged in the rectangular cavity 25 in a sliding manner, and the propping block 23 is triangular, so that the sliding column 21 can be propped into the other side of the return-type groove 22 conveniently, and the first strip-shaped toothed plate 7 is separated from the first gear 11; a first reset spring 24 is arranged between the abutting block 23 and the rectangular cavity 25, and one side in the return groove 22 is an inclined surface, so that the sliding column 21 can move conveniently; the elastic force of the first return spring 24 is larger than that of the second compression spring 20, so that the sliding column 21 can be propped against the other side of the return groove 22.
Wherein, rectangular slot has been seted up on movable block 12 one side, and bar pinion rack one 7 slides and set up in rectangular slot, is equipped with extrusion spring two 20 between bar pinion rack one 7 and the rectangular slot, is convenient for support bar pinion rack one 7 and establishes, makes bar pinion rack one 7 and gear one 11 meshing.
Embodiment III: the technical scheme is basically the same as that of the first embodiment, except that in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 10, the stirring piece is driven to work by the connection mechanism, and the stirring piece comprises a stirring shaft 15 which is rotatably arranged in the water storage barrel 5, a plurality of stirring rods 30 which are uniformly arranged on the outer wall of the stirring shaft 15, and a plurality of stirring blades 31 which are arranged on the stirring rods 30, the bottom of the stirring shaft 15 movably penetrates into the box body 1 and is provided with a gear II 13, a strip-shaped toothed plate II 14 meshed with the gear II 13 is arranged on the side surface of the rectangular frame 16, and the strip-shaped toothed plate II 14 is driven to reciprocate by the reciprocating movement of the rectangular frame 16, so that continuous stirring of water samples is realized, the uniform distribution of substances in the water samples is facilitated, and the accuracy of water sample detection data is further improved.
Embodiment four: the solution technology of the first embodiment is basically the same, except that in fig. 1, fig. 2, fig. 5-fig. 9, the connection mechanism drives the liquid injection mechanism to work, and the liquid injection mechanism includes a cylindrical barrel 4 disposed above the sample holder 3 and a liquid injection pipe 26 disposed at the bottom of the cylindrical barrel 4, a sliding plate 34 is slidably disposed in the cylindrical barrel 4, the water guide pipe 6 is slidably disposed with the cylindrical barrel 4, a blocking rod 33 matched with the water guide pipe 6 is disposed on the inner wall of the cylindrical barrel 4, and a driving member is disposed on the outer wall of the cylindrical barrel 4; through the use of the driving piece, the liquid injection pipe 26 firstly stretches into the sample pipe 32, so that water samples are prevented from dripping outside the sample pipe 32, and meanwhile, the water samples are prevented from being polluted due to exposure to air, and then the plugging rod 33 on the water guide pipe 6 is opened, so that the water samples enter the sample pipe 32, and the preparation of the water samples is realized.
The driving piece comprises a connecting rod 27 arranged on the outer wall of the cylindrical barrel 4, a rectangular opening 29 is formed in the side face of the supporting frame 2 in cooperation with the connecting rod 27, one end of the connecting rod 27 movably penetrates through the rectangular opening 29, a second reset spring 28 is arranged between the connecting rod 27 and the rectangular opening 29, a plurality of fixed pulleys 8 are rotatably arranged on the inner wall of the supporting frame 2 below the rectangular opening 29, a traction rope 9 is arranged at the bottom of the connecting rod 27, and the traction rope 9 respectively penetrates through the fixed pulleys 8 and is fixedly connected with the side face of the rectangular frame 16; wherein, when the sample frame 3 rotates, the traction rope 9 is driven to move, and after the sample frame 3 rotates, the traction rope 9 is in a straightened state at the moment.
Working principle: when the invention works, firstly, the taken water sample is poured into the water storage barrel 5, then the electric telescopic rod 17 is opened, the rectangular frame 16 is driven to reciprocate by the expansion of the movable end of the electric telescopic rod 17, and the reciprocation of the rectangular frame 16 is divided into three processes:
Process one: the reciprocating movement of the rectangular frame 16 drives the second strip-shaped toothed plate 14 to reciprocate, so that the second gear 13 is driven to rotate forward and backward, the stirring shaft 15 is driven to rotate forward and backward, the forward and backward rotation of the stirring rod 30 and the stirring blade 31 is further realized, continuous stirring of the water sample in the water storage barrel 5 is realized, uniform material distribution caused by the existence of precipitated materials in the water sample is avoided, and the accuracy of water sample data detection is further improved;
And a second process: when the rectangular frame 16 moves to one side of the sample frame 3, the movable block 12 is moved under the action of the first extrusion spring 19, so that the first strip-shaped toothed plate 7 is driven to move, the first gear 11 is driven to rotate, the connecting shaft 10 is driven to rotate, the rotation of the connecting shaft 10 drives the sample frame 3 to rotate, and after the teeth on the first strip-shaped toothed plate 7 are separated from the teeth on the first gear 11, at the moment, the sample frame 3 rotates by 60 degrees, and a new sample tube 32 is placed at the bottom of the liquid injection tube 26 and the sample tube with good equipment is rotated away, so that the equipment for water samples is convenient to take off the sample tube;
The rectangular frame 16 pulls the traction rope 9 when moving, and when the strip-shaped toothed plate 7 is separated from the gear 11, the traction rope 9 is in a straightened state; meanwhile, the first bar-shaped toothed plate 7 drives the sliding column 21 to move when moving, after the sliding column 21 contacts with the abutting block 23, the abutting block 23 is extruded into the rectangular cavity 25, then the sliding column 21 reaches the farthest end of the return groove 22, at the moment, the sliding column 21 is extruded to the other side of the return groove 22 under the action of the first return spring 24, so that the first bar-shaped toothed plate 7 is separated from the first gear 11;
After the sliding column 21 reaches the farthest end of the return groove 22, the first strip-shaped toothed plate 7 and the movable block 12 are in a static state;
And a third process: as the rectangular frame 16 continues to move, the traction rope 9 is pulled to move, and then the connecting rod 27 moves downwards, so that the cylinder 4 and the liquid injection pipe 26 are driven to move downwards, the liquid injection pipe 26 stretches into the sample pipe 32, when the liquid injection pipe 26 stretches into the sample pipe 32, the plugging rod 33 is separated from the bottom of the water guide pipe 6 at the moment, so that the water guide pipe 6 is unobstructed, and then water in the water storage barrel 5 enters the liquid injection pipe 26 through the water guide pipe 6, so that water sample preparation is realized;
When the rectangular frame 16 is reset, at this time, the traction rope 9 is loosened first, then under the action of the second reset spring 28, the plugging rod 33 is inserted into the water guide pipe 6 to plug the water guide pipe 6, so as to prevent water samples from flowing out continuously, and meanwhile, the liquid injection pipe 26 is moved out of the sample pipe 32, the sliding column 21 is returned to the nearest end of the return groove 22 along with the continuous reset of the rectangular frame 16, and then the first strip-shaped toothed plate 7 is reset under the action of the second extrusion spring 20, so that the first strip-shaped toothed plate 7 is meshed with the first gear 11, and water samples are prepared again.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a sample preparation device that water environment detected, includes box (1) and sets up braced frame (2) on box (1) top surface, its characterized in that: a sample rack (3) is arranged above the box body (1), a plurality of placing grooves are formed in the sample rack (3), sample tubes (32) are arranged in the placing grooves, a driving component used for driving the sample rack (3) is arranged on the bottom surface of the sample rack (3), a water storage barrel (5) is arranged on the supporting frame (2), stirring pieces are arranged in the water storage barrel (5), a liquid injection mechanism is arranged on one side of the water storage barrel (5), and a connecting mechanism used for connecting the stirring pieces, the liquid injection mechanism and the driving component is arranged in the box body (1);
The connecting mechanism comprises a rectangular frame (16) arranged on the inner top surface of the box body (1) in a sliding manner, a movable block (12) arranged in the rectangular frame (16) in a sliding manner and a first extrusion spring (19) arranged between the movable block (12) and the rectangular frame (16), one side of the rectangular frame (16) is provided with a mounting plate (18), one side of the mounting plate (18) is provided with an electric telescopic rod (17), and the electric telescopic rod (17) is fixedly arranged on the inner top surface of the box body (1);
the driving assembly comprises a connecting shaft (10) arranged at the bottom of the sample rack (3), the bottom of the connecting shaft (10) movably penetrates into the box body (1) and is provided with a first gear (11), a first strip-shaped toothed plate (7) meshed with the first gear (11) is arranged on one side surface of the movable block (12) in a sliding manner, and a separating piece for separating the first gear (11) from the first strip-shaped toothed plate (7) is arranged on the inner top surface of the box body (1);
The separating piece comprises a return groove (22) formed in the inner top surface of the box body (1), a sliding column (21) is arranged in the return groove (22) in a sliding mode, the sliding column (21) is fixedly connected with a first strip-shaped toothed plate (7), a rectangular cavity (25) is formed in one side surface of the return groove (22), a supporting block (23) is arranged in the rectangular cavity (25) in a sliding mode, a first return spring (24) is arranged between the supporting block (23) and the rectangular cavity (25), and one side in the return groove (22) is an inclined surface;
The stirring piece comprises a stirring shaft (15) which is arranged in the water storage barrel (5) in a rotating mode, a plurality of stirring rods (30) which are uniformly arranged on the outer wall of the stirring shaft (15) and a plurality of stirring blades (31) which are arranged on the stirring rods (30), the bottom of the stirring shaft (15) movably penetrates into the box body (1) and is provided with a gear II (13), and a strip-shaped toothed plate II (14) which is meshed with the gear II (13) is arranged on the side face of the rectangular frame (16).
2. The sample preparation device for detection of an aqueous environment of claim 1, wherein: a rectangular groove is formed in one side face of the movable block (12), the first strip-shaped toothed plate (7) is arranged in the rectangular groove in a sliding mode, and a second extrusion spring (20) is arranged between the first strip-shaped toothed plate (7) and the rectangular groove.
3. The sample preparation device for detection of an aqueous environment of claim 1, wherein: the liquid injection mechanism comprises a cylinder (4) arranged above the sample frame (3) and a liquid injection pipe (26) arranged at the bottom of the cylinder (4), a sliding plate (34) is arranged in the cylinder (4), a water guide pipe (6) communicated with a water storage cylinder (5) is arranged on the sliding plate (34), the water guide pipe (6) and the cylinder (4) are arranged in a sliding mode, a plugging rod (33) matched with the water guide pipe (6) is arranged on the inner wall of the cylinder (4), and a driving piece is arranged on the outer wall of the cylinder (4).
4. The sample preparation device for detection of an aqueous environment of claim 3, wherein: the driving piece is including setting up connecting rod (27) on cylinder section of thick bamboo (4) outer wall, rectangle opening (29) have been seted up to cooperation connecting rod (27) on carriage (2) side, just connecting rod (27) one end activity runs through rectangle opening (29), be equipped with reset spring two (28) between connecting rod (27) and rectangle opening (29), it is provided with a plurality of fixed pulleys (8) to rotate on carriage (2) inner wall of rectangle opening (29) below, connecting rod (27) bottom is equipped with haulage rope (9), just haulage rope (9) pass fixed pulley (8) and with rectangle frame (16) side fixed connection respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410338997.5A CN117929080B (en) | 2024-03-25 | 2024-03-25 | Sample preparation device for water environment detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410338997.5A CN117929080B (en) | 2024-03-25 | 2024-03-25 | Sample preparation device for water environment detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117929080A CN117929080A (en) | 2024-04-26 |
| CN117929080B true CN117929080B (en) | 2024-05-28 |
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| CN202410338997.5A Active CN117929080B (en) | 2024-03-25 | 2024-03-25 | Sample preparation device for water environment detection |
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