CN217466338U - Sampling device for water pollution detection - Google Patents
Sampling device for water pollution detection Download PDFInfo
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- CN217466338U CN217466338U CN202121171290.8U CN202121171290U CN217466338U CN 217466338 U CN217466338 U CN 217466338U CN 202121171290 U CN202121171290 U CN 202121171290U CN 217466338 U CN217466338 U CN 217466338U
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Abstract
The utility model discloses a sampling device for water pollution detection, which belongs to the technical field of water pollution detection and comprises a sampling cylinder, a stay cord, a top hole, a vertical mounting rod, a top exhaust limiting mechanism, a bottom collecting mechanism, a bottom clamping plate and four pressure triggering mechanisms, wherein the stay cord is fixedly mounted at the top of the sampling cylinder, the top hole is arranged at the center of the top surface of the sampling cylinder, the vertical mounting rod is arranged in the top hole in a penetrating way, the top end of the vertical mounting rod is provided with the top exhaust limiting mechanism, the bottom end of the vertical mounting rod is fixedly mounted at the top of the bottom collecting mechanism, the bottom collecting mechanism is fixedly mounted at the upper end surface of the bottom clamping plate, the bottom clamping plate is attached to the bottom end of the sampling cylinder, and the four pressure triggering mechanisms are fixedly mounted on the outer wall of the sampling cylinder, the utility model can keep the sealing when the water body is shallow, and can open under the action of the water pressure of the deep layer to collect samples when sinking to the water body, after the collection is finished, the device is pulled up, the water pressure is reduced, and the device can immediately seal and store samples.
Description
Technical Field
The utility model belongs to the technical field of the water pollution detection technique and specifically relates to a sampling device for water pollution detection is related to.
Background
The water pollution detection can accurately reflect the condition of water quality and predict the development trend of the water quality by carrying out sample collection, detection and analysis on the water body, can also provide scientific basis for the protection, development and utilization of water resources and the prevention and control of water pollution, and provides necessary technical support for water pollution treatment.
The sampling device for detecting the water pollution is a cylindrical collector, is directly put into water to collect water samples, but often starts collecting when entering the water body, only can collect samples of surface water, and cannot conveniently collect and store deep water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling device for water pollution detects to only can carry out sample acquisition to top layer water among the solution prior art, can't carry out the problem of convenient collection storage to deep water.
The utility model provides a sampling device for water pollution detects, including cartridge, stay cord, apical pore, perpendicular installation pole, top exhaust stop gear, end acquisition mechanism, end cardboard and four pressure trigger mechanisms, cartridge top fixed mounting has the stay cord, and cartridge top surface center has seted up the apical pore to run through in the apical pore and install perpendicular installation pole, perpendicular installation pole top is provided with top exhaust stop gear, and installs pole bottom fixed mounting at the end acquisition mechanism top perpendicularly to end acquisition mechanism fixed mounting is at end cardboard up end, end cardboard and cartridge bottom are laminated, and fixed mounting has four pressure trigger mechanisms on the cartridge outer wall.
Preferably, top exhaust stop gear includes a limiting plate, supporting spring, sealing rubber circle and exhaust duct, top limiting plate fixed mounting is on installing the pole top perpendicularly, and terminal surface and supporting spring top are fixed under the limiting plate of top to supporting spring bottom fixed mounting is on the sampling cylinder top surface, the apical pore inner wall closely laminates with the sealing rubber circle outside, and sealing rubber circle fixed mounting is on installing the pole perpendicularly to exhaust duct has been seted up to perpendicular installation pole top center.
Preferably, the bottom collecting mechanism comprises a fixed disc and a collecting hole channel, the center of the top of the fixed disc is fixedly connected with the bottom end of the vertical mounting rod, the collecting hole channel is formed in the fixed disc, and the bottom of the fixed disc is fixedly mounted on the upper end face of the bottom clamping plate.
Preferably, every pressure trigger mechanism all includes rubber gasbag, fixed pipe, movable rod and rubber piston, rubber gasbag fixed mounting is at the sampling cylinder outer wall, and rubber gasbag and fixed nose portion interconnect to fixed intraductal side is provided with the movable rod, movable rod top fixed mounting has rubber piston, and the rubber piston outside closely laminates with fixed intraductal wall, and movable rod bottom fixed mounting is at bottom chuck plate up end.
Preferably, the front section of the exhaust duct is shaped like a 'notch', the horizontal opening at the bottom of the exhaust duct is positioned above the sealing rubber ring, and the bottom of the sealing rubber ring is aligned with the opening at the bottom of the top hole.
Preferably, the collecting hole channels are distributed at equal angles about the vertical mounting rod, the front section of each collecting hole channel is in an L shape, and the bottom openings of the collecting hole channels are higher than the bottom openings of the sampling barrels.
Compared with the prior art, the beneficial effects of the utility model reside in that:
one of which, the utility model discloses a supporting spring among the top exhaust stop gear guarantees that device when the water shallow layer, and the sealing rubber circle can be stabilized the venthole shutoff, and supporting spring carries on spacingly to perpendicular installation pole, and the fixed disk in the collection mechanism at the bottom of guaranteeing can be stabilized the shutoff of sampling bobbin base portion opening stability, guarantees that the sampling barrel can not carry out water sampling when the water shallow layer.
Two, the utility model discloses the pressure that the rubber gasbag in according to pressure trigger mechanism received in different degree of depth waters is different for the device is after reacing the water deep layer, and the end cardboard can be promoted downwards by pressure trigger mechanism, makes the end cardboard can take the fixed disk and move down with perpendicular installation pole, realizes that sampling cylinder top apical pore switches on with the exhaust duct, and the bottom is gathered the pore and is moved down and expose the sampling cylinder bottom, guarantees the normal clear of gathering operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic structural view of a front section of the sampling cylinder of the present invention;
FIG. 3 is a schematic view of the front sectional structure of the straight mounting rod and the top exhaust limiting mechanism of the present invention;
fig. 4 is a schematic view of the front cross-sectional structure of the bottom collecting mechanism and the pressure triggering mechanism of the present invention;
fig. 5 is a schematic view of the top-view cross-sectional structure of the sampling cartridge of the present invention.
Reference numerals: a sampling cartridge 1; a pull rope 2; a top hole 3; a vertical mounting rod 4; a top exhaust limiting mechanism 5; a top limit plate 501; a support spring 502; a sealing rubber ring 503; a discharge duct 504; a bottom acquisition mechanism 6; a fixed disk 601; a collection channel 602; a bottom clamping plate 7; a pressure trigger mechanism 8; a rubber bladder 801; a fixed tube 802; a movable rod 803; a rubber piston 804.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is shown below with combination of fig. 1 to fig. 5, the embodiment of the utility model provides a sampling device for water pollution detection, including cartridge 1, stay cord 2, the apical pore 3, install pole 4 perpendicularly, top exhaust stop gear 5, end collection mechanism 6, end cardboard 7 and four pressure trigger mechanism 8, 1 top fixed mounting of cartridge has stay cord 2, and 1 top surface center of cartridge has seted up apical pore 3, and run through in the apical pore 3 and install perpendicular installation pole 4, 4 tops of perpendicular installation pole are provided with top exhaust stop gear 5, and 4 bottom fixed mounting of perpendicular installation pole are at 6 tops of end collection mechanism, and 6 fixed mounting of end collection mechanism is at cardboard 7 up end, end cardboard 7 and 1 bottom laminating of cartridge, and fixed mounting has four pressure trigger mechanism 8 on the 1 outer wall of cartridge.
Specifically, the top exhaust limiting mechanism 5 comprises a top limiting plate 501, a supporting spring 502, a sealing rubber ring 503 and an exhaust duct 504, the top limiting plate 501 is fixedly installed at the top end of the vertical installation rod 4, the lower end face of the top limiting plate 501 is fixed with the top end of the supporting spring 502, the bottom end of the supporting spring 502 is fixedly installed on the top surface of the sampling cylinder 1, the inner wall of the top hole 3 is tightly attached to the outer side of the sealing rubber ring 503, the sealing rubber ring 503 is fixedly installed on the vertical installation rod 4, and the exhaust duct 504 is formed in the center of the top of the vertical installation rod 4; the staggering and the communication between the exhaust duct 504 and the top hole 3 can be realized by adjusting the position of the exhaust duct 504, the gas in the sampling cylinder 1 is controlled to be discharged, and the normal operation of the sampling operation is ensured.
Specifically, the bottom collecting mechanism 6 comprises a fixed disc 601 and a collecting pore channel 602, the center of the top of the fixed disc 601 is fixedly connected with the bottom end of the vertical mounting rod 4, the collecting pore channel 602 is formed in the fixed disc 601, and the bottom of the fixed disc 601 is fixedly mounted on the upper end surface of the bottom clamping plate 7; the positions of the fixed disc 601 and the collection channel 602 are controlled by the vertical mounting rod 4, so that the collection channel 602 is exposed and closed.
Specifically, each pressure trigger mechanism 8 comprises a rubber air bag 801, a fixed tube 802, a movable rod 803 and a rubber piston 804, the rubber air bag 801 is fixedly mounted on the outer wall of the sampling cylinder 1, the tops of the rubber air bag 801 and the fixed tube 802 are connected with each other, the movable rod 803 is arranged on the inner side of the fixed tube 802, the rubber piston 804 is fixedly mounted at the top end of the movable rod 803, the outer side of the rubber piston 804 is tightly attached to the inner wall of the fixed tube 802, and the bottom end of the movable rod 803 is fixedly mounted on the upper end face of the bottom clamping plate 7; through the extrusion of water pressure to rubber gasbag 801, realize the promotion of rubber piston 804 top atmospheric pressure to movable rod 803, guarantee that the device is after getting into the deep layer of water, movable rod 803 can drive end cardboard 7 and stabilize the removal.
Specifically, the front section of the exhaust duct 504 is shaped like an 'upsidedown' and the horizontal opening at the bottom of the exhaust duct 504 is positioned above the sealing rubber ring 503, and the bottom of the sealing rubber ring 503 is aligned with the opening at the bottom of the top hole 3; through the shape of the exhaust duct 504 and the position design of the sealing rubber ring 503, the bottom of the exhaust duct 504 is not communicated with the inside of the sampling cylinder 1 when the device is in a shallow water body.
Specifically, 4 acquisition pore channels 602 are distributed at equal angles about the vertical mounting rod 4, the front section of the acquisition pore channel 602 is in an L shape, and the bottom opening of the acquisition pore channel 602 is higher than the bottom opening of the sampling cylinder 1; the shape of the collection channel 602 ensures that water outside the cartridge 1 does not enter the cartridge 1 from the bottom when the device is in a shallow layer of water, and the collection channel 602 can ensure normal collection of a sample after the device enters a deep layer of water.
The utility model discloses a theory of operation: as shown in fig. 2, 3 and 4 in an initial state of the device, a supporting spring 502 is in a compressed state, a top limit plate 501 and a vertical mounting rod 4 are vertically and upwardly pushed by elasticity, a sealing rubber ring 503 on the vertical mounting rod 4 stably seals a top hole 3, a fixed disc 601 is stably clamped with the bottom of a sampling cylinder 1, an opening at the bottom of a collecting hole channel 602 is also stably sealed, the sampling cylinder 1 is integrally sealed, and the sampling cylinder 1 is put into a water body by holding the tail end of a pull rope 2;
the sampling cylinder 1 made of metal sinks stably in a water body, when the water body is shallow, the pressure applied to the rubber air bag 801 by the water body is small, the deformation degree of the rubber air bag 801 is small, the air pressure in the rubber air bag 801 is not enough to push the rubber piston 804 and the movable rod 803 in fig. 2, 3 and 4 to move downwards to drive the bottom clamping plate 7, the fixed disc 601, the vertical mounting rod 4 and the top limiting plate 501 to move downwards to compress the supporting spring 502 to deform, the sealing rubber ring 503 still stably seals the top hole 3, the fixed disc 601 still stably clamps the bottom of the sampling cylinder 1, and the opening at the bottom of the collecting channel 602 is also stably sealed;
when the sampling cylinder 1 made of metal continuously sinks to the deep layer of the water body, the pressure applied to the rubber air bag 801 by the water body is increased, the deformation degree of the rubber air bag 801 is increased, the air pressure in the rubber air bag 801 is increased, the air pressure pushes the rubber piston 804 in the fixed pipe 802 to drive the movable rod 803 to move downwards, the movable rod 803 pushes the bottom clamping plate 7, the fixed disc 601, the vertical mounting rod 4 and the top limiting plate 501 to move downwards to compress the supporting spring 502 to deform, the sealing rubber ring 503 moves downwards to be separated from the top hole 3, the bottom of the exhaust duct 504 in fig. 3 enters the sampling cylinder 1, the top opening is still located in the water body, meanwhile, the fixed disc 601 drives the acquisition duct 602 to move downwards, and the bottom opening of the acquisition duct 602 moves downwards to be exposed in the water body;
thus, water in the deep layer of the water body enters the sampling cylinder 1 from the collecting hole 602, gas in the sampling cylinder 1 is upwards discharged into the water body through the communicated exhaust hole 504, water sample collection is realized, after collection is finished, the pull rope 2 is directly pulled to drive the sampling cylinder 1 to float upwards, after the sampling cylinder 1 starts to float upwards, the pressure of the water body on the rubber air bag 801 is immediately reduced, the air pressure in the rubber air bag 801 is immediately reduced, under the elastic action of the supporting spring 502, the vertical mounting rod 4, the fixing disc 601 and the bottom clamping plate 7 quickly move upwards to reset, the sealing rubber ring 503 moves upwards to plug the top hole 3 along with the vertical mounting rod 4, the collecting hole 602 also moves upwards to be collected into the sampling cylinder 1, the sampling cylinder 1 is sealed again, deep water samples are stably stored in the sampling cylinder 1, and deep layer sampling is completed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a sampling device for water pollution detection which characterized in that: comprises a sampling cylinder (1), a pull rope (2), a top hole (3), a vertical mounting rod (4), a top exhaust limiting mechanism (5), a bottom acquisition mechanism (6), a bottom clamping plate (7) and four pressure trigger mechanisms (8), a pull rope (2) is fixedly arranged at the top of the sampling cylinder (1), a top hole (3) is formed in the center of the top surface of the sampling cylinder (1), a vertical mounting rod (4) is installed in the top hole (3) in a penetrating way, a top exhaust limiting mechanism (5) is arranged at the top end of the vertical mounting rod (4), the bottom end of the vertical mounting rod (4) is fixedly arranged at the top of the bottom collecting mechanism (6), and the bottom collecting mechanism (6) is fixedly arranged on the upper end surface of the bottom clamping plate (7), the bottom clamping plate (7) is attached to the bottom end of the sampling cylinder (1), and four pressure trigger mechanisms (8) are fixedly arranged on the outer wall of the sampling cylinder (1).
2. The sampling device for water pollution detection according to claim 1, wherein: top exhaust stop gear (5) are including a limiting plate (501), supporting spring (502), sealing rubber circle (503) and exhaust duct (504), top limiting plate (501) fixed mounting is on perpendicular installation pole (4) top, and pushes up limiting plate (501) down terminal surface and supporting spring (502) top fixed to supporting spring (502) bottom fixed mounting is on sampling barrel (1) top surface, apical pore (3) inner wall closely laminates with sealing rubber circle (503) outside, and sealing rubber circle (503) fixed mounting is on perpendicular installation pole (4) to exhaust duct (504) have been seted up at perpendicular installation pole (4) top center.
3. The sampling device for water pollution detection according to claim 1, wherein: bottom acquisition mechanism (6) are including fixed disk (601) and collection pore (602), fixed disk (601) top center and perpendicular installation pole (4) bottom fixed connection, and fixed disk (601) is inside to have seted up and to gather pore (602) to fixed disk (601) bottom fixed mounting is at end cardboard (7) up end.
4. The sampling device for water pollution detection according to claim 1, wherein: every pressure trigger mechanism (8) all include rubber gasbag (801), fixed pipe (802), movable rod (803) and rubber piston (804), rubber gasbag (801) fixed mounting is in sampling barrel (1) outer wall, and rubber gasbag (801) and fixed pipe (802) top interconnect to fixed pipe (802) inboard is provided with movable rod (803), movable rod (803) top fixed mounting has rubber piston (804), and rubber piston (804) outside closely laminates with fixed pipe (802) inner wall, and movable rod (803) bottom fixed mounting is at end cardboard (7) up end.
5. The sampling device for water pollution detection according to claim 2, wherein: the front section of the exhaust duct (504) is in a cross-line shape, the horizontal opening at the bottom of the exhaust duct (504) is positioned above the sealing rubber ring (503), and the bottom of the sealing rubber ring (503) is aligned with the opening at the bottom of the top hole (3).
6. The sampling device for water pollution detection according to claim 3, wherein: the sampling device is characterized in that 4 acquisition pore channels (602) are distributed at equal angles relative to the vertical mounting rod (4), the front section of each acquisition pore channel (602) is L-shaped, and the bottom opening of each acquisition pore channel (602) is higher than the bottom opening of the sampling cylinder (1).
Priority Applications (1)
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CN202121171290.8U CN217466338U (en) | 2021-05-28 | 2021-05-28 | Sampling device for water pollution detection |
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CN202121171290.8U CN217466338U (en) | 2021-05-28 | 2021-05-28 | Sampling device for water pollution detection |
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CN217466338U true CN217466338U (en) | 2022-09-20 |
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CN202121171290.8U Active CN217466338U (en) | 2021-05-28 | 2021-05-28 | Sampling device for water pollution detection |
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