CN213397794U

CN213397794U - Deep water sampler for lake

Info

Publication number: CN213397794U
Application number: CN202022482755.3U
Authority: CN
Inventors: 黄香
Original assignee: Tibet University
Current assignee: Tibet University
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-08
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a deep water sampler for lakes, which comprises an air bag, wherein the center of the air bag is provided with a fixed plate, the center of the fixed plate is provided with a through groove, two sides of the through groove are respectively provided with a fixed frame, a wire coil is rotatably connected between the fixed frames, one end of the wire coil is fixedly connected with the output end of a motor arranged on the fixed frame, a stay cord is wound on the wire coil, the tail end of the stay cord passes through the through groove, the tail end of the stay cord is provided with a sampling barrel, the lower end of the sampling barrel is provided with a water inlet, the upper end inside the sampling barrel is provided with a cylinder, the lower end of the cylinder is provided with a telescopic rod, the output end of the telescopic rod is provided with a piston which is in sliding connection with the inner wall of the sampling barrel, the utility model can pull the piston to move upwards, meanwhile, the device can be normally used in the plateau area through the pressure action.

Description

Deep water sampler for lake

Technical Field

The utility model relates to a deep water sample thief technical field specifically is a deep water sample thief is used in lake.

Background

Workers in environmental protection departments often need to sample deep water such as rivers, lakes and the like for testing the components of the deep water, so that the water quality change can be monitored to take corresponding measures, and the deep water sampling device is used for human production, life and environment improvement. There are many samplers for sampling in deep water, and their structures are different, and their application methods are different.

However, the general deepwater sampler is not suitable for being used in plateau areas, because the pressure action of the plateaus is different, the using effect of the sampler is easily influenced, meanwhile, the general sampler cannot accurately sample water samples with accurate depth, cannot quantitatively sample the water samples, and may touch residual branches of algae under deepwater, so that the sampler is blocked and normal sampling cannot be carried out.

Aiming at the problems, the deep water sampler for the lake is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep water sample thief is used in lake to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a deep water sample thief is used in lake, includes the gasbag, gasbag central authorities are equipped with the fixed plate, the central authorities of fixed plate are equipped with logical groove, the both sides that lead to the groove all are equipped with the mount, it is connected with the drum to rotate between the mount, the one end of drum and the output fixed connection of establishing the motor on the mount, the winding has the stay cord on the drum, the end of stay cord passes logical groove, the end of stay cord is equipped with the sampling bucket, the lower extreme of sampling bucket is equipped with the water inlet, the inside upper end of sampling bucket is equipped with the cylinder, the lower extreme of cylinder is equipped with the telescopic link, the output of telescopic link be equipped with sampling bucket inner wall sliding connection's piston, the upper end edge of sampling bucket is equipped with a plurality of through-holes, the.

As a further aspect of the present invention: the filter assembly is including establishing the spherical filter screen in the water inlet below, the upper end of spherical filter screen is the annular and evenly is equipped with four mounting panels, mounting panel and water inlet sliding connection, be equipped with the recess corresponding with the mounting panel on the water inlet, sliding connection has flexible post in the recess, the end of flexible post is equipped with the limiting plate that is located the recess, be equipped with the spring in the recess, all be equipped with the round hole that supplies flexible post to pass through on the mounting panel.

As a further aspect of the present invention: the pull rope is provided with depth scales.

As a further aspect of the present invention: and a balancing weight is arranged on the water inlet.

As a further aspect of the present invention: and a plurality of fixing columns are arranged on the spherical filter screen.

As a further aspect of the present invention: and the surface of the telescopic column is provided with a wear-resistant layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can make the telescopic rod pull the piston to move upwards through the cylinder, and make the water in the lake sucked into the sampling barrel through the water inlet under the pressure action, thus can collect quantitative water sample as required, and at the same time, the device can be normally used in plateau area through the pressure action;

2. the utility model can determine the submergence depth of the sampling barrel through the depth scale on the pull rope according to the requirement, so that the device can sample a water sample with fixed depth according to the requirement, thereby being convenient for use;

3. the utility model discloses the spherical filter screen of accessible prevents that the device from when the sampling, and the leaf twig etc. of aquatic from blockking up the water inlet, influences the device's sampling efficiency, and spherical filter screen can be installed or dismantle from the water inlet as required simultaneously to clean the spherical filter screen.

Drawings

FIG. 1 is a schematic structural diagram of a deep water sampler for lakes.

FIG. 2 is an enlarged schematic view of a deep water sampler for lakes at A in FIG. 1.

FIG. 3 is a schematic structural diagram of a front view section of a deep water sampler for lakes.

Fig. 4 is an enlarged schematic structural view of a deep water sampler for lakes at the position B in fig. 3.

Wherein: 1. the air bag, 2, a fixing plate, 3, a through groove, 4, a fixing frame, 5, a wire coil, 6, a motor, 7, a pull rope, 8, a sampling barrel, 9, a water inlet, 10, a cylinder, 11, a telescopic rod, 12, a piston, 13, a through hole, 14, a groove, 15, a telescopic column, 16, a limiting plate, 17, a spring, 18, a spherical filter screen, 19, a fixing column, 20 and a mounting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a deep water sampler for lakes includes an air bag 1, a fixing plate 2 is disposed in the center of the air bag 1, a through groove 3 is disposed in the center of the fixing plate 2, fixing frames 4 are disposed on both sides of the through groove 3, a wire coil 5 is rotatably connected between the fixing frames 4, one end of the wire coil 5 is fixedly connected to an output end of a motor 6 disposed on the fixing frame 4, a pull rope 7 is wound on the wire coil 5, an end of the pull rope 7 passes through the through groove 3, a sampling barrel 8 is disposed at an end of the pull rope 7, a water inlet 9 is disposed at a lower end of the sampling barrel 8, a cylinder 10 is disposed at an inner upper end of the sampling barrel 8, a telescopic rod 11 is disposed at a lower end of the cylinder 10, a piston 12 slidably connected to an inner wall of the sampling barrel 8 is disposed at an output end, when water in a lake needs to be sampled, the air bag 1 is placed on the surface of the lake, then the wire coil 5 is driven to rotate through the motor 6, the pull rope 7 is unfolded, the sampling barrel 8 is submerged under the action of gravity, then the telescopic rod 11 pulls the piston 12 to move upwards through the air cylinder 10, water in the lake is sucked into the sampling barrel 8 through the water inlet 9 under the action of pressure, and simultaneously redundant water and air are discharged through the through hole 13, so that a quantitative water sample can be collected as required, and meanwhile, the device can be normally used in a plateau area under the action of pressure;

the lower extreme of water inlet 9 can be dismantled and be connected with the filtering component who prevents debris jam water inlet 9, filtering component is including establishing the spherical filter screen 18 in water inlet 9 below, the upper end of spherical filter screen 18 is the annular and evenly is equipped with four mounting panels 20, mounting panel 20 and water inlet 9 sliding connection, be equipped with the recess 14 corresponding with mounting panel 20 on the water inlet 9, sliding connection has flexible post 15 in the recess 14, the end of flexible post 15 is equipped with the limiting plate 16 that is located the recess 14, be equipped with spring 17 in the recess 14, all be equipped with the round hole that supplies flexible post 15 to pass through on the mounting panel 20, like this when sampling bucket 8 is sampling, spherical filter screen 18 can prevent that the incomplete branch of leaf etc. in the aquatic from blockking up water inlet 9, influences the sampling efficiency of the device, and after the device sampling is accomplished simultaneously, the user's accessible is according to moving flexible post 15, the spherical filter screen 18 can be taken down from the water inlet 9, the spherical filter screen 18 is convenient to clean, meanwhile, when the spherical filter screen 18 needs to be installed, the four installation plates 20 are sleeved on the water inlet 9, the telescopic columns 15 are simultaneously extruded to retract into the grooves 14, the springs 17 are extruded, after the installation of the installation plates 20 is completed, the springs 17 push the telescopic columns 15 to reset and pop up, the telescopic columns are clamped into the round holes in the installation plates 20, the spherical filter screen 18 is fixed on the water inlet 9, and therefore the spherical filter screen 18 can be installed or detached at any time, and the use is convenient;

the pull rope 7 is provided with depth scales, so that a user can determine the submerging depth of the sampling barrel 8 through the pull rope 7 according to needs, a water sample with a fixed depth can be sampled by the device according to needs, and the device is convenient to use;

the water inlet 9 is provided with a balancing weight, so that the water inlet 9 can always keep downward when the submersible vehicle dives due to the action of gravity, and the sampling effect of the device is ensured;

the spherical filter screen 18 is provided with a plurality of fixing columns 19, so that leaves in water can be prevented from being attached to the spherical filter screen 18 carelessly, and the spherical filter screen 18 is prevented from being blocked to influence the sampling efficiency;

the surface of the telescopic column 15 is provided with a wear-resistant layer, so that the telescopic column 15 can be prevented from being worn due to friction for a long time, and the service life of the device is prevented from being influenced.

The utility model discloses a theory of operation is: when water in a lake needs to be sampled, firstly, the air bag 1 is placed on the surface of the lake, then the wire coil 5 is driven to rotate through the motor 6, the pull rope 7 is unfolded, the sampling barrel 8 submerges under the action of gravity, then the telescopic rod 11 is driven to move upwards through the air cylinder 10, water in the lake is sucked into the sampling barrel 8 through the water inlet 9 under the action of pressure, thus quantitative water samples can be collected according to needs, meanwhile, the device can be normally used in a plateau area through the action of pressure, meanwhile, a user can determine the submerging depth of the sampling barrel 8 through the depth scale on the pull rope 7 according to needs, the device can sample water samples with fixed depth according to needs, when the sampling barrel 8 is in the sampling process, the spherical filter screen 18 can prevent leaves and branches in water from blocking the water inlet 9, the sampling efficiency of the device is influenced, and when the sampling of the device is completed, the user accessible is pressed flexible post 15 and is retracted in to recess 14, just so can take off spherical filter screen 18 from water inlet 9, so that clean spherical filter screen 18, simultaneously when needs installation spherical filter screen 18, through overlapping four mounting panels 20 on water inlet 9, extrude flexible post 15 to the recess 14 internal indentation simultaneously, and extrude spring 17, after mounting panel 20 installation is accomplished, spring 17 promotes flexible post 15 and resets and pops out, go into the round hole on the mounting panel 20, just can fix spherical filter screen 18 on water inlet 9, just so can install or dismantle spherical filter screen 18 at any time, and convenient use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A deep water sampler for lakes comprises an air bag (1) and is characterized in that: the central fixing plate (2) is arranged at the center of the air bag (1), the central fixing plate (2) is provided with a through groove (3), fixing frames (4) are arranged on two sides of the through groove (3), a wire coil (5) is rotatably connected between the fixing frames (4), one end of the wire coil (5) is fixedly connected with the output end of a motor (6) arranged on the fixing frames (4), a pull rope (7) is wound on the wire coil (5), the tail end of the pull rope (7) penetrates through the through groove (3), a sampling barrel (8) is arranged at the tail end of the pull rope (7), a water inlet (9) is arranged at the lower end of the sampling barrel (8), an air cylinder (10) is arranged at the upper end of the inside of the sampling barrel (8), a telescopic rod (11) is arranged at the lower end of the air cylinder (10), a piston (12) which is in sliding connection with the inner wall, the upper end edge of sample bucket (8) is equipped with a plurality of through-holes (13), the lower extreme of water inlet (9) can be dismantled and be connected with the filtering component who prevents debris jam water inlet (9).

2. The deep water sampler for lakes according to claim 1, comprising: the filter assembly is including establishing spherical filter screen (18) in water inlet (9) below, the upper end of spherical filter screen (18) is that the annular evenly is equipped with four mounting panels (20), mounting panel (20) and water inlet (9) sliding connection, be equipped with on water inlet (9) with mounting panel (20) corresponding recess (14), sliding connection has flexible post (15) in recess (14), the end of flexible post (15) is equipped with limiting plate (16) that are located recess (14), be equipped with spring (17) in recess (14), all be equipped with the round hole that supplies flexible post (15) to pass through on mounting panel (20).

3. The deep water sampler for lakes according to claim 1, comprising: the pull rope (7) is provided with depth scales.

4. The deep water sampler for lakes according to claim 1, comprising: and a balancing weight is arranged on the water inlet (9).

5. The deep water sampler for lakes according to claim 2, comprising: the spherical filter screen (18) is provided with a plurality of fixing columns (19).

6. The deep water sampler for lakes according to claim 2, comprising: the surface of the telescopic column (15) is provided with a wear-resistant layer.