CN212340729U - Movable float on-off control type depth-fixed underground water sampler - Google Patents

Abstract

The utility model discloses a but movable float open and close control formula level depth groundwater sample thief, including sampling chamber, opening and close door, gas collection lid, pull wire, float, hose and feedback whistle, the opening and close door pin joint is in the water inlet department on sampling chamber top, opening and close the door with the one end of pull wire links to each other, the other end of pull wire links to each other with the float, gas collection lid detachably fixes the top of sampling chamber for collect the interior exhaust gas of sampling chamber, gas collection lid with the one end fixed connection of hose, and gas collection lid and hose are linked together, the feedback whistle is installed the other end of hose. Compared with the prior art, the device has the advantages that the whole process does not need external energy input, the water sample collection at the fixed depth can be realized, the automation degree is higher, the controllable effect is better, the cost is saved, and the underground water sampling efficiency is improved.

Description

Movable float on-off control type depth-fixed underground water sampler

Technical Field

The utility model relates to a groundwater sample thief in the monitoring well especially relates to a portable float open and close control formula depthkeeping groundwater sample thief.

Background

The groundwater is greatly influenced by rainfall farmland non-point source pollution infiltration, oil stain infiltration, toxic and harmful pollutant infiltration and the like, the water quality condition of the groundwater increasingly draws attention of people, the groundwater is different from the surface water body, the updating period of the groundwater is long, some stable pollutants which are difficult to degrade can be input into the surface water body again along with the transfer of the groundwater, and the pollution risk is high. In addition, the underground water body is influenced by the landform and the permeability of different layered soils, and the water quality of the underground water body also shows a more obvious layering phenomenon in the depth direction. The existing underground water sampler in China at present mainly has two modes, one mode is a general device for underground water and surface water, the size is larger, the general device is generally suitable for a monitoring well with a larger caliber, the sampling depth of the general device cannot be accurately controlled, and the monitoring device can easily bring surface layer polluted water into the device in the sampling process, so that the sampling requirement of specific water quality indexes cannot be met; the other is to use a pump body for extraction, and when sampling is carried out in the field, the difficulty of depth limitation and power supply is often faced. Therefore, the existing devices are difficult to completely meet the sampling requirement of groundwater quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable float open-close control formula depthkeeping groundwater sample thief to solve the problem that current device all is difficult to the sampling requirement of the groundwater quality of water completely.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a portable float open and close control formula depth-fixed groundwater sample thief, including sampling chamber, opening and close door, gas collection lid, pull wire, float, hose and feedback whistle, the opening and close door pin joint is in the water inlet department on sampling chamber top, opening and close the door with the one end of pull wire links to each other, the other end of pull wire links to each other with the float, gas collection lid detachably fixes the top of sampling chamber for collect the interior exhaust gas of sampling chamber, gas collection lid with the one end fixed connection of hose, and gas collection lid and hose are linked together, the feedback whistle is installed the other end of hose.

Further, still include the balancing weight, the balancing weight is fixed in the bottom of sampling chamber.

Further, the gas collection cover is fixed on the sampling chamber through a fixing rod.

Further, a fixing clip is arranged outside the floater, and the fixing clip is adjustably clamped on the traction line.

Further, the sampling chamber is a cylindrical cavity with an upper end opened.

Further, the diameter of the opening and closing door is larger than that of a water inlet at the top end of the sampling chamber.

Furthermore, the floater is of a cavity structure, an automatic winding device is arranged in the floater, the other end of the traction wire is wound on the automatic winding device, a fixing clamp is arranged outside the floater, the traction wire is stretched to a scale with a preset depth, and the fixing clamp is clamped on the traction wire to fix the position of the floater.

Further, the traction line is provided with a scale.

Further, the gas collecting cover is an inverted cone.

Furthermore, a water-blocking rubber material is arranged between the opening and closing door and the sampling chamber.

According to the technical scheme, the collector can slide the floater to the position of the pre-sampling depth according to the scale marks, and the position of the floater is fixed through the fixing card; an operator can transfer the sampling device to the monitoring well through the hose, after the sampling device reaches a preset depth, the pull wire at the lower end of the floater is stretched straight, the opening and closing door is driven to be opened, a water sample at a fixed position flows into the sampling chamber and is filled with the water sample, the original gas in the sampling chamber floats upwards, the water sample is collected through the gas collecting cover and then is blown upwards along the hose, the air flow drives the sampling device to sound when the feedback whistle is reached, the operator can lift the hose to pull the sampling device after receiving the signal, the pull wire is loosened at the moment, the opening and closing door is closed, and finally the water sample at the fixed. The whole process of the device does not need external energy input, can realize water sample collection at a fixed depth, has higher automation degree, better controllable effect and lower cost, and improves the sampling efficiency of the underground water body.

The utility model discloses a collector has little, avoid surface water pollution, accurate depthkeeping and automatic feedback etc. advantages to the groundwater disturbance, and simple structure, need not external power supply, low cost, convenient operation.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a fixed depth groundwater sampler with an on-off control type movable float;

FIG. 2 is a schematic view of a partial structure of a fixed depth groundwater sampler with an on-off control of a movable float;

FIG. 3 is a schematic structural diagram of a float of a fixed depth groundwater sampler with an on-off control of a movable float;

in the figure: 1 is the balancing weight, 2 is the sampling room, 3 is the dead lever, 4 is the door of opening and shutting, 5 is the gas collection lid, 6 is the pull wire, 7 is the float, 8 is the fixing clip, 9 is the hose, 10 is the feedback whistle.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, the embodiment of the utility model provides a portable float opens and close control formula level ground water sampler, including sampling chamber 2, open and close door 4, gas collection lid 5, pull wire 6, float 7, hose 9 and feedback whistle 10, open and close the door 4 pin joint and be in the income water mouth department on 2 tops of sampling chamber, open and close door 4 with the one end of pull wire 6 links to each other, the other end of pull wire 6 links to each other with float 7, gas collection lid 5 detachably fixes the top of sampling chamber 2 for collect exhaust gas in the sampling chamber 2, gas collection lid 5 with the one end fixed connection of hose 9, and gas collection lid 5 is linked together with hose 9, feedback whistle 10 is installed the other end of hose 9.

In an optional embodiment, the sampling device further comprises a balancing weight 1, and the balancing weight 1 is fixed at the bottom end of the sampling chamber 2.

In an alternative embodiment, the gas collection lid 5 is fixed to the sampling chamber 2 by a fixing rod 3.

In an alternative embodiment, the float 7 is provided with a fixing clip 8 outside, and the fixing clip 8 is adjustably clipped on the traction wire 6.

In an alternative embodiment, the sampling chamber 2 is a cylindrical cavity with an open upper end, made of plexiglass.

In an alternative embodiment, the opening and closing door 4 has a diameter larger than the diameter of the water inlet at the top end of the sampling chamber 2. The opening and closing door 4 is made of organic glass, and a water-blocking rubber material with good sealing performance is arranged between the opening and closing door 4 and the sampling chamber 2.

In an optional embodiment, the float 7 is a cavity structure, is made of a plastic material, is internally provided with an automatic winding device (for example, a tape measure commonly used in our life, the automatic winding of the tape measure is actually realized through a belleville spring), the other end of the pull wire 6 is wound on the automatic winding device, a fixing clamp 8 is arranged outside the float 7, the pull wire 6 is stretched to a scale with a preset depth, and the fixing clamp 8 is clamped on the pull wire 6 to fix the position of the float 7.

In an alternative embodiment, the pull wire 6 has a scale made of nylon.

In an alternative embodiment, the gas collecting cover is an inverted cone with a large opening facing downward toward the water inlet of the sampling chamber, so as to easily collect the gas discharged from the sampling chamber, and may be made of transparent plastic material, and the gas collecting cover has a collecting hole at the top and is connected to the hose.

The utility model discloses the working process:

the utility model relates to a movable float on-off control type depth-fixed groundwater sampler, when needing to collect the groundwater sample with determined depth in the monitoring well, the operator in the first step can firstly stretch the pulling wire 6 to the length corresponding to the fixed depth, and then fix the fixing clip 8 of the float 7 at the position; the second step operator can hand the top end of the hose 9, slowly lower the sampling device, also slowly lower the float 7 to the monitoring well liquid level department simultaneously, after the hose 9 is transferred for a period of time, when the pull wire 6 becomes the tight state by lax, the sampling device dives to the predetermined degree of depth this moment, the pull wire 6 drives the door 4 of opening and shutting and opens gradually, this degree of depth groundwater flows into in the sampling chamber 2 immediately, simultaneously the gas floats in the sampling chamber 2, the gas gets into in the hose 9 after collecting through collecting lid 5, under the air current drive, hose top feedback whistle 10 sounds, after the operator learns feedback whistle 10 and sounds the signal, lift the hose 9 upward, the pull wire 6 state becomes the loose state by the tightiness this moment, and then lead to opening and shutting door 4 and close under the dead weight effect. And (3) continuously lifting the sampling device by an operator, opening the opening and closing door 4 and then pouring the water sample in the sampling device into the sampling bottle after the monitoring well is lifted, thereby completing the sampling process. Compared with power consumption equipment and the conventional surface water-underground water universal sampling device, the device can accurately set the sampling depth in advance under the condition of no external source energy input, has small disturbance to the water body of the monitoring well in the sampling process, and avoids the pollution of surface pollutants in the monitoring well to the interior of the sampling device; the device also innovatively designs a feedback device for automatically informing an operator of the completion of sampling by utilizing the gas in the sampling chamber, and when the sampling work at the preset depth is completed, the gas in the sampling chamber floats upwards and drives a feedback whistle to sound, so that the operator is informed of the completion of sampling. In conclusion, the device has certain automation level, simple structure and convenient use, and can be used under various conditions.

The above description is only for the specific embodiment of the present invention, the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present invention in the technical scope of the present invention. Thus, the present application is not intended to be limited to the particular embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a portable float opens and close control formula depth groundwater sample thief, a serial communication port, including sampling chamber, opening and close door, gas collection lid, pull wire, float, hose and feedback whistle, it is in to open and close the door pin joint the water inlet department on sampling chamber top, open and close the door with the one end of pull wire links to each other, the other end of pull wire links to each other with the float, gas collection lid detachably fixes the top of sampling chamber for collect the interior exhaust gas of sampling chamber, gas collection lid with the one end fixed connection of hose, and gas collection lid and hose are linked together, the feedback whistle is installed the other end of hose.

2. The movable float open-close control type depth-fixed underground water sampler as claimed in claim 1, further comprising a weight block fixed at the bottom end of the sampling chamber.

3. The movable float on-off control type depth-fixed groundwater sampler as claimed in claim 1, wherein the gas collecting cover is fixed on the sampling chamber by a fixing rod.

4. The movable float on-off control type depth-fixed underground water sampler as claimed in claim 1, wherein a fixing clip is arranged outside the float, and the fixing clip is adjustably clipped on the traction line.

5. The movable float on-off control type depth-fixed groundwater sampler as claimed in claim 1, wherein the sampling chamber is a cylindrical cavity with an open upper end.

6. The movable float on-off control type depth-fixed underground water sampler as claimed in claim 1, wherein the diameter of the opening and closing door is larger than that of the water inlet at the top end of the sampling chamber.

7. The movable float on-off control type depth-fixed groundwater sampler as claimed in claim 1, wherein the float is a cavity structure, an automatic winding device is arranged in the float, the other end of the pulling wire is wound on the automatic winding device, a fixing clip is arranged outside the float, the pulling wire is stretched to a scale of a preset depth, and the fixing clip is clipped on the pulling wire to fix the position of the float.

8. The movable float on-off control type depth-fixed underground water sampler as claimed in claim 1, wherein the pulling line has a scale.

9. The movable float on-off control type depth-fixed groundwater sampler as claimed in claim 1, wherein the gas collecting cover is an inverted cone.

10. The movable float on-off control type depth-fixed underground water sampler as claimed in claim 1, wherein a water-blocking rubber material is arranged between the opening and closing door and the sampling chamber.

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