CN210293785U - Underground water sampling device - Google Patents

Abstract

The utility model discloses an underground water sampling device, which comprises a guide rod, wherein one side of the outer wall of the guide rod is fixedly sleeved with a bracket, the outer wall of the bracket is fixedly connected with a shell, and one side of the inner part of the shell, which is far away from the guide rod, is connected with a collecting bottle through threads; the collecting bottle is characterized in that a clamping groove is formed in the collecting bottle, a pull rod is arranged in the clamping groove, a second gasket is fixedly connected to one end, close to the shell, of the pull rod, a piston is movably sleeved on the outer wall of the pull rod, and the outer wall of the piston is tightly attached to the clamping groove. This groundwater sampling device, through the cooperation of shell and receiving flask, can make water concentrate and gush into the collection mouth when collecting the water sample, avoid appearing the not enough condition that leads to collecting the mouth and not opening of water pressure and appear, simultaneously through the cooperation of compression spring and atmospheric pressure, can will collect the mouth and close after the collection finishes automatically, avoid carrying out self-sealing through current gravity ball, lead to appearing because the not enough appearance spheroid of pressure will not collect mouthful confined condition completely and appear.

Description

Underground water sampling device

Technical Field

The utility model relates to a sampling device technical field specifically is an underground water sampling device.

Background

Collecting a water sample of the polluted water body, and analyzing and determining to obtain basic data of water body pollution. The water sample for analysis should be representative and can reflect the chemical composition and characteristics of the water body. The sampling method, position, time, frequency and the like are determined according to the characteristics of water and the analysis purpose, when sampling, the opening is controlled to be opened and closed through the movement of the gravity ball, the collection port is a non-resistance flow device, the condition that the collection port is not opened due to insufficient pressure at the collection port can occur, the use of workers is inconvenient, after the collection is finished, the condition that the opening cannot be closed by the gravity ball due to the self gravity can occur due to the fact that the deep water pressure is higher and the pressure in the pipe is insufficient, the condition that the detection data is influenced when water at other depths enters the collection device can also occur, the workers take time and labor to repeatedly perform sampling detection to obtain an average value, and after each sampling is finished, the workers also need to take out the samples in the device to collect and perform the next sampling operation, the operation of taking out and carrying the sample is inconvenient for the staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an underground water sampling device 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 underground water sampling device comprises a guide rod, wherein a bracket is fixedly sleeved on one side of the outer wall of the guide rod, a shell is fixedly connected to the outer wall of the bracket, and a collecting bottle is connected to one side, away from the guide rod, in the shell through threads;

the inside of collecting bottle is opened there is the draw-in groove, the inside of draw-in groove is equipped with the pull rod, the one end rigid coupling that the pull rod is close to the shell has the second gasket, the outer wall activity of pull rod has cup jointed the piston, and the outer wall of piston closely laminates with the draw-in groove, the piston links to each other with the draw-in groove joint, compression spring has been cup jointed in the outer wall activity of pull rod, and compression spring's both sides laminate with piston and collecting bottle respectively mutually, one side screw thread that the shell was kept away from to the outer wall of collecting bottle links to each other there is the gland, the inside of gland is equipped with first gasket, one side of pull rod is run through the collecting bottle and is fixed continuous with first gasket, one side.

Preferably, the outer shell is of a conical structure, and the inner diameter of one side of the outer shell, which is close to the guide rod, is the maximum.

Compared with the prior art, the beneficial effects of the utility model are that: the underground water sampling device can ensure that water is intensively flushed into the collecting port when water samples are collected through the matching of the shell and the collecting bottle, the condition that the collecting port is not opened due to insufficient water pressure is avoided, meanwhile, through the matching of the compression spring and the air pressure, the collecting port can be automatically closed after the collection is finished, the condition that the collecting port is not completely sealed due to insufficient pressure is avoided, the condition that water enters the collecting device to influence detection data is also avoided, the time-consuming and labor-consuming repeated sampling detection operation of workers is saved, the collecting bottle is independently disassembled to be replaced, the water samples are collected through the pull ring, the water samples in the device are taken out and collected by the workers at each time, and the next sampling operation is carried out, the operation that the staff took out each sample and carried has been made things convenient for.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. guide rod, 2, shell, 3, compression spring, 4, pull rod, 5, first gasket, 6, pull ring, 7, gland, 8, collecting bottle, 9, piston, 10, second gasket, 11, draw-in groove, 12 and support.

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, the present invention provides a technical solution: the underground water sampling device comprises a guide rod 1, wherein a support 12 is fixedly sleeved on one side of the outer wall of the guide rod 1, a shell 2 is fixedly connected to the outer wall of the support 12, the shell 2 is of a conical structure, the inner diameter of one side, close to the guide rod 1, of the shell 2 is the maximum value, one side, far away from the guide rod 1, of the interior of the shell 2 is connected with a collecting bottle 8 through threads, water can be concentrated at the position, with the minimum inner diameter, of the interior of the shell 2 by pulling the guide rod 1 by workers, so that water pressure is increased, and the;

a clamping groove 11 is formed in the collecting bottle 8, a pull rod 4 is arranged in the clamping groove 11, a second gasket 10 is fixedly connected to one end, close to the shell 2, of the pull rod 4, a piston 9 is movably sleeved on the outer wall of the pull rod 4, the outer wall of the piston 9 is tightly attached to the clamping groove 11, the piston 9 is connected with the clamping groove 11 in a clamping mode, a compression spring 3 is movably sleeved on the outer wall of the pull rod 4, two sides of the compression spring 3 are respectively attached to the piston 9 and the collecting bottle 8, the piston 9 is pushed to slide along the pull rod 4 under the action of water pressure to enable water to enter the collecting bottle 8, then under the air pressure of residual gas in the compression spring 3 and the collecting bottle 8, the piston 9 is pushed to be in the original position to be clamped in the clamping groove 11 for fixing and sealing, a gland 7 is arranged on the side, far away from the shell 2, of the outer wall of the collecting bottle 8, a first gasket 5, one side of pull rod 4 is run through receiving flask 8 and is fixed continuous with first gasket 5, one side rigid coupling that pull rod 4 was kept away from to first gasket 5 has pull ring 6, when taking out and wait to detect the water sample, rotate receiving flask 8 from shell 2 and take off, rotate gland 7 and take off, then the staff aligns detecting instrument's household utensils pulling pull ring 6 with draw-in groove 11 department, pull ring 6 drives second gasket 10 through pull rod 3 and removes, thereby make second gasket 10 drive piston 9 leave draw-in groove 11, thereby make the water sample from draw-in groove 11 outflow inspect.

In the embodiment, when the water sample collecting device is used, a worker extends the collecting bottle 8 into a well through the guide rod 1, the extending depth of the collecting bottle 8 is calculated according to the extending length of the guide rod 1, when the expected depth is reached, the worker rapidly pulls the guide rod 1 to move upwards, so that the shell 2 presses water into the clamping groove 11, the piston 9 is pushed to slide along the pull rod 4 under the action of the water pressure and overcomes the pressure of the compression spring 3, so that water enters the collecting bottle 8, then the piston 9 is pushed to return to the original position to be clamped in the clamping groove 11 to be fixed and sealed under the pressure of residual gas in the compression spring 3 and the collecting bottle 8, then the worker withdraws the collecting bottle 8 through the guide rod 1, when the collecting bottle 8 to be detected is taken out, the collecting bottle 8 is rotated from the shell 2, the gland 7 is rotated and taken off, then the pull ring 11 is aligned with the vessel 6 of the detecting instrument, the pull ring 6 drives the second gasket 10 to move through the pull rod 3, so that the second gasket 10 drives the piston 9 to leave the clamping groove 11, and a water sample flows out of the clamping groove 11 to be tested.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides an underground water sampling device, includes guide arm (1), its characterized in that: a bracket (12) is fixedly sleeved on one side of the outer wall of the guide rod (1), a shell (2) is fixedly connected to the outer wall of the bracket (12), and a collecting bottle (8) is connected to one side, far away from the guide rod (1), of the interior of the shell (2) in a threaded manner;

the collecting bottle is characterized in that a clamping groove (11) is formed in the collecting bottle (8), a pull rod (4) is arranged in the clamping groove (11), a second gasket (10) is fixedly connected to one end, close to the shell (2), of the pull rod (4), a piston (9) is sleeved on the outer wall of the pull rod (4) in a movable mode, the outer wall of the piston (9) is tightly attached to the clamping groove (11), the piston (9) is connected with the clamping groove (11) in a clamped mode, a compression spring (3) is sleeved on the outer wall of the pull rod (4) in a movable mode, two sides of the compression spring (3) are respectively attached to the piston (9) and the collecting bottle (8), a gland (7) is connected to one side, far away from the shell (2), of the outer wall of the collecting bottle (8) through threads, a first gasket (5) is arranged in the gland (7), one side of the pull rod (4) penetrates through the collecting bottle (8) and is fixedly, and a pull ring (6) is fixedly connected to one side of the first gasket (5) far away from the pull rod (4).

2. An underground water sampling apparatus according to claim 1, wherein: the shell (2) is of a conical structure, and the inner diameter of one side, close to the guide rod (1), of the shell (2) is the maximum value.

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