CN108318288B

CN108318288B - Shallow water layer water sampling device

Info

Publication number: CN108318288B
Application number: CN201810102809.3A
Authority: CN
Inventors: 刘志东
Original assignee: Anhui Focus Analysis And Test Technology Co Ltd
Current assignee: Anhui focus analysis and Test Technology Co., Ltd
Priority date: 2018-02-01
Filing date: 2018-02-01
Publication date: 2020-05-19
Anticipated expiration: 2038-02-01
Also published as: CN108318288A

Abstract

The invention discloses a shallow water layer water body sampling device, which comprises a sampling tank, a supporting rod for fixing the sampling tank and an opening assembly positioned on the sampling tank and used for opening or sealing the sampling tank.

Description

Shallow water layer water sampling device

Technical Field

The invention relates to environment-friendly equipment, in particular to a shallow water layer water body sampling device.

Background

In order to monitor the water quality change of rivers, lakes or underground water to provide human production and living services, workers in environmental protection departments often need to sample shallow water such as rivers, lakes or underground water for testing the components of the shallow water. The shallow water sampling samplers have various kinds, different using methods and different structures, and have various disadvantages although having different advantages. The device has the defects of being not suitable for sampling a water sample with accurate depth, or having complex structure, high manufacturing cost, inconvenient carrying, bad sealing degree, inconvenient operation and use, or low sampling speed and low working efficiency.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and discloses a shallow water layer water body sampling device which comprises a sampling tank, a supporting rod for fixing the sampling tank and an opening assembly positioned on the sampling tank and used for opening or sealing the sampling tank, and is characterized in that the supporting rod comprises a fixing sleeve and a bottom plate, the fixing sleeve is sleeved outside the sampling tank, the sampling tank comprises a water inlet, a vent hole, an interlayer and a blocking component, the blocking component is used for controlling the opening and closing of the water inlet, the opening assembly comprises a rotating rod and a fan-shaped blocking part fixedly arranged on the rotating rod, the rotating rod is arranged in the interlayer, the interlayer comprises a rotating channel and a vertical through hole, the fan-shaped blocking part is matched with the rotating channel to realize the opening and closing of the vertical through hole, the interlayer also comprises a cavity positioned at the tail end of the interlayer, and the blocking component comprises an inclined section, a vertical section and a horizontal component positioned, wherein the one end of stopping parts contacts with the sampling tank inner wall, and the other end contacts with the cavity, and wherein the horizontal part lower part is equipped with spring assembly, contacts with the slope section and then pushes down and stops parts and be used for closing the water inlet when fan-shaped block portion is rotatory.

Further, the height of the inclined section should be greater than the height of the water inlet.

Furthermore, the rotating rod also comprises a sealing part for controlling the opening and closing of the vent hole.

Furthermore, a limit groove matched with the blocking part is arranged on the inner wall of the sampling tank.

Further, the fan-shaped blocking part and the sealing part are completely overlapped in the vertical direction, and when the fan-shaped blocking part closes the vertical through hole, the sealing part closes the vent hole; when the fan-shaped blocking part opens the vertical channel, the sealing part opens the vent hole.

Further, when the fan-shaped blocking part moves to the left side of the fan-shaped channel, the vertical through hole and the water inlet are opened, and when the fan-shaped blocking part moves to the right side of the fan-shaped channel, the vertical through hole and the water inlet are closed.

Furthermore, a scale line is arranged on the supporting rod or the rotating rod.

The method of using the water collection device of claim 1, wherein the method comprises the steps of:

a. the rotating rod is rotated clockwise to realize the integral sealing of the sampling tank;

b. the water body sampling device is lowered to a specific position of the scale line;

c. rotating the rotating rod anticlockwise, continuing standing for 1-2min after no bubbles float on the water surface, rotating the rotating rod clockwise, and lifting the device to be pulled out of the water surface;

d. and rotating the rotating rod anticlockwise to collect the water sample from the water inlet, and finishing.

Compared with the prior art, the invention has the following beneficial effects:

its operation convenient to use, the water sample of accurate degree of depth of sampling that can be accurate, simple structure cost is low, and sampling speed is fast, and sealed degree is good, can accurately see the degree of depth that the sample thief dive through observing the bracing piece scale, opens water inlet and air vent through rotatory rotary rod and carry out sampling operation, treat to fill the back close the water inlet can, so can be with the water sample collection of specific degree of depth come, do not receive the influence of other degree of depth water layers.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view at the interlayer of the present invention;

FIG. 3 is a schematic view of the structure between the fan stop and the stop member of the present invention;

figure 4 is a schematic view of a barrier component of the present invention.

In the figure, 1, a sampling tank, 2, a support rod, 3, an opening assembly, 4, a limiting groove, 11, a water inlet, 12, a vent hole, 13, an interlayer, 131, a rotating channel, 132, a vertical through hole, 14, a blocking component, 141, an inclined segment, 142, a vertical segment, 143, a horizontal component, 31, a rotating rod, 32, a fan-shaped blocking part, 33 and a sealing part.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., 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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," if used, 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 should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "in communication with" are to be construed broadly, and may be, for example, fixedly, detachably, or integrally connected, mechanically, electrically, directly or indirectly through intervening elements, or in communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

See figures 1-2: the utility model provides a shallow water layer water body sampling device, includes sampling tank 1, is used for the bracing piece 2 of fixed sampling tank 1 and is located the opening assembly 3 that is used for opening or sealed sampling tank 1 on sampling tank 1, its characterized in that, bracing piece 2 is including fixed cover 21 and bottom plate 22, the fixed cover 21 cover is located the sampling tank 1 outside, and the bottom of sampling tank 1 is placed in bottom plate 22 department, sampling tank 1 is including water inlet 11, air vent 12, intermediate layer 13 and barrier unit 14, wherein barrier unit 14 is used for controlling opening and shutting of water inlet 11, opening assembly 3 includes rotary rod 31 and sets firmly fan-shaped barrier portion 32 on it, rotary rod 31 is located inside intermediate layer 13, intermediate layer 13 is including rotatory passageway 131 and perpendicular through-hole 132, and wherein fan-shaped barrier portion 32 can take place to rotate in rotatory passageway 131, and fan-shaped barrier portion 32 cooperatees with rotatory passageway 131 in order to realize opening and shutting of perpendicular through-hole, when the fan-shaped blocking part 32 moves to the left side of the rotating channel 131, the vertical through hole 132 and the water inlet 11 are opened, when the fan-shaped blocking part 32 moves to the right side of the rotating channel 131, the vertical through hole 132 and the water inlet 11 are closed, the interlayer 13 further comprises a cavity 133 positioned at the tail end of the fan-shaped blocking part, the blocking part 14 comprises an inclined section 141, a vertical section 142 and a horizontal part 143 positioned at one end of the blocking part, wherein one end of the blocking part 14 is in contact with the inner wall of the sampling tank 1, the other end of the blocking part is in contact with the left side of the cavity, a spring assembly 144 is arranged at the lower part of the horizontal part 143, and when the fan-shaped blocking part 32 rotates, the blocking part.

As a further improvement of the present invention, the height of the inclined section 141 should be greater than the height of the water inlet 11, when the inclined section 141 is not stressed, the bottom of the inclined section 141 is flush with the bottom of the fan-shaped blocking portion 32, and when the fan-shaped blocking portion 32 moves to the right side of the rotating channel 131, the inclined surface of the inclined section 141 is pressed, and the vertical section 142 presses down to close the water inlet 11.

As a further improvement of the present invention, the rotating rod 31 further comprises a sealing portion 33 for controlling the opening and closing of the vent 12, the sealing portion 33 is mainly used for controlling the opening and closing of the vent 12, when the fan-shaped blocking portion 32 moves to the right side of the rotating channel 131, the water inlet 11, the vertical through hole 132 and the vent 12 are completely closed, the whole sealing of the device is realized, after the device sinks to a specified depth, the sampling operation can be realized by opening the three holes, and the whole sealing effect of the device is better.

As a further improvement of the present invention, referring to fig. 3, a limiting groove 4 matched with the blocking component 14 is arranged on the inner wall of the sampling tank 1, so that the position of the vertical section 142 on the right side wall of the sampling tank 1 does not shift greatly, and the water inlet 11 is opened and closed.

As a further improvement of the invention, the support rod 2 is provided with a scale line for a sampling person to observe the depth of the device, thereby realizing accurate sampling operation.

The use method of the water body collecting device is characterized by comprising the following steps:

a. the rotating rod 31 is rotated clockwise, so that the whole sampling tank 1 is sealed;

c. rotating the rotating rod 31 anticlockwise, continuing standing for 2min after no bubbles float on the water surface, rotating the rotating rod 31 clockwise, sealing again, and lifting the device to pull out the water surface;

d. and rotating the rotating rod 31 anticlockwise to open the water inlet 11 and the air vent 12, and collecting the water sample from the water inlet.

The sampling tank 1 can be made of an aluminum alloy material with high corrosion resistance, and is light in weight, high in tensile strength, corrosion-resistant and capable of improving the stability of the whole structure of the device.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a shallow water layer water sampling device, includes the sampling jar, is used for the bracing piece of fixed sampling jar and is located the sampling jar and is used for opening or the subassembly of opening of sealed sampling jar, a serial communication port, the bracing piece is including fixed cover and bottom plate, the sampling jar outside is located to fixed cover, the sampling jar is including water inlet, air vent, intermediate layer and barrier unit, wherein barrier unit is used for controlling opening and shutting of water inlet, open the subassembly and include the rotary rod and set firmly the fan-shaped barrier portion on it, the rotary rod is located inside the intermediate layer, the intermediate layer is including rotatory passageway and perpendicular through-hole, wherein fan-shaped barrier portion cooperatees with the opening and shutting of realizing perpendicular through-hole with rotatory passageway, the intermediate layer still is including being located its terminal cavity, barrier unit is including slope section and vertical section and the horizontal component that is located its one end, wherein barrier unit's one end and the, the other end is contacted with the cavity, wherein the lower part of the horizontal component is provided with a spring assembly, and when the fan-shaped blocking part rotates, the spring assembly is contacted with the inclined section so as to press the blocking part downwards to close the water inlet.

2. The shallow water layer water body sampling device of claim 1, wherein the height of the inclined section is larger than that of the water inlet.

3. The shallow water layer water body sampling device of claim 1, wherein the rotating rod further comprises a sealing part for controlling the opening and closing of the vent hole.

4. The shallow water layer water body sampling device as claimed in any one of claims 1-3, wherein the inner wall of the sampling tank is provided with a limit groove matched with the blocking component.

5. The shallow water layer water body sampling device of claim 3, wherein the fan-shaped blocking part and the sealing part are completely overlapped in the vertical direction, and when the fan-shaped blocking part closes the vertical through hole, the sealing part closes the vent hole; when the fan-shaped blocking part opens the vertical channel, the sealing part opens the vent hole.

6. The shallow water layer water body sampling device of claim 1 or 2, wherein the vertical through hole and the water inlet are opened when the fan-shaped blocking part moves to the left side of the rotating channel, and the vertical through hole and the water inlet are closed when the fan-shaped blocking part moves to the right side of the rotating channel.

7. The shallow water layer water body sampling device of claim 1, wherein a scale line is arranged on the supporting rod or the rotating rod.

8. The use method of the shallow water layer water body sampling device of claim 1 is characterized by comprising the following steps: