CN211317829U

CN211317829U - A collection system for heavy metal pollution water sample

Info

Publication number: CN211317829U
Application number: CN201921895591.8U
Authority: CN
Inventors: 方婷; 梁阳阳; 李静; 崔凯; 卢文轩; 杨坤; 赵秀侠
Original assignee: Fisheries Research Institute of Anhui AAS
Current assignee: Fisheries Research Institute of Anhui AAS
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-21
Anticipated expiration: 2029-11-06

Abstract

The utility model belongs to the technical field of sampling equipment, especially, a collection system for heavy metal pollution water body sample, including the sampler body, the inner wall of sampler body is fixed with first fixed plate, the bottom of first fixed plate is fixed with the motor, the other end of motor is fixed with the second connecting rod of U type structure, the other end of second connecting rod is fixed with the sampling piston fixed with sampler body inner wall, the first connecting rod fixed with the top is cup jointed in the sampling piston activity, the other end of first connecting rod is fixed with the second fixed plate, the bottom of second fixed plate is fixed with two sets of third connecting rods along its central axis symmetric distribution, the one end that the third connecting rod stretches out the sampler body is fixed with the fourth connecting rod; the utility model discloses a also can carry out the sample detection to submarine silt when carrying out the sample to the water, improved the degree of accuracy that detects to work efficiency has been improved.

Description

A collection system for heavy metal pollution water sample

Technical Field

The utility model relates to a liquid sampling equipment technical field especially relates to a collection system for heavy metal pollution water sample.

Background

The heavy metal is a metal with the density of more than 4.5g/cm3, including gold, silver, copper, iron, mercury, lead, cadmium and the like, and the heavy metal is accumulated in a human body to a certain degree to cause chronic poisoning. However, heavy metals in terms of environmental pollution mainly refer to heavy elements with significant biological toxicity, such as mercury (mercury), cadmium, lead, chromium, and metalloid arsenic. Heavy metals are very difficult to biodegrade, but instead can be concentrated hundreds of times under the action of biological amplification of the food chain and finally enter the human body. Heavy metal can interact strongly with protein, enzyme and the like in a human body to cause the heavy metal to lose activity, and can be accumulated in certain organs of the human body to cause chronic poisoning, so that the concentration of the heavy metal is always an important index in the field of water quality monitoring, and the concentration of the heavy metal ions can be accurately monitored in real time, and the method has important significance.

The utility model discloses a be published as CN208313632U in the chinese utility model patent application number, water sample sampler convenient to wash, including the sampler body, from the top down sets up pure water room in it, control chamber and sampling chamber, the sample straw is established to the bottom of sampling chamber, establish the sample piston in the sampling chamber, miniature cylinder is established at the control chamber top, miniature cylinder passes through the piston rod and connects the mounting panel, the connecting rod is established to the bottom of mounting panel, the lower extreme of connecting rod passes the control chamber and connects the sample piston, micro motor is established at the center of mounting panel bottom surface, micro motor connects the pivot, the pivot lower extreme passes the control chamber and connects the washing stirring leaf of sample piston below, even water hose between pure water room and the sampling chamber, the middle part of water hose is in locating the spring clamp on the control chamber outer. The utility model can conveniently complete water sample collection, and can quickly and conveniently complete cleaning after sampling so as to carry out next sampling, thereby providing great convenience for field operation of sampling personnel; however, the repacking is put and only can be taken a sample the monitoring by quality of water, and the heavy metal in the silt that can not aquatic is overhauld, need assist and take different devices to take a sample to need carry out the sample in batches, work efficiency is low, and inconvenient carrying.

SUMMERY OF THE UTILITY MODEL

The utility model provides a collection system for be used for heavy metal pollution water sample has solved and can take a sample to the water and also can silt carry out the sample problem.

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

a collecting device for heavy metal polluted water samples comprises a sampler body, wherein a first fixing plate is fixed on the inner wall of the sampler body, a motor is fixed at the bottom of the first fixing plate, a second connecting rod of a U-shaped structure is fixed at the other end of the motor, a sampling piston fixed on the inner wall of the sampler body is fixed at the other end of the second connecting rod, a first connecting rod fixed on the top of the second connecting rod is movably sleeved on the sampling piston, a second fixing plate is fixed at the other end of the first connecting rod, two groups of third connecting rods symmetrically distributed along the central axis of the second connecting rod are fixed at the bottom of the second fixing plate, a fourth connecting rod is fixed at one end of each third connecting rod extending out of the sampler body, a sampling straw fixedly sleeved on the bottom of the sampler body is arranged between the two groups of the fourth connecting rods, and two groups of fourth connecting plates arranged in parallel are fixed between the two groups of the, and the sampling suction pipe is positioned between the two groups of fourth connecting plates, and the outer ring of the sampling suction pipe is movably sleeved with a pushing mechanism.

Preferably, the pushing mechanism comprises a second connecting plate which is movably sleeved with the outer ring of the sampling suction pipe and has a hollow structure, the other end of the second connecting plate is slidably sleeved with a third connecting plate, and a spring is fixed between one end of the third connecting plate, which extends into the second connecting plate, and the inner wall of the second connecting plate.

Preferably, the bottom of sampler body articulates there are two sets of first connecting plates that set up along its central axis symmetry, and the first spout that distributes along its length direction is seted up to one side that two sets of first connecting plates are close to each other, and the inside slip of first spout has cup jointed first slider, and the other end of first slider is articulated with the one end that the second connecting plate was kept away from to the third connecting plate.

Preferably, one side of each group of the third connecting rods, which is far away from each other, is fixedly provided with a limiting plate perpendicular to the third connecting rods, and the outer ring at the bottom of the sampling suction pipe is fixedly sleeved with a limiting lantern ring.

Preferably, the bottom of first fixed plate is fixed with the water pipe, and the bottom and the sample piston activity of water pipe cup joint, and install the solenoid valve on the water pipe.

Preferably, the bottom of sampler body is fixed with two sets of parallel distribution's third fixed plate, and two sets of third fixed plates are located the both sides of first connecting plate.

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

the utility model isolates the upper part of the sampler body through the first fixing plate, and stores the water of the cleaning device on the upper part of the sampler body; meanwhile, the sample is extracted to the bottom of the sampler body through the motor, the second connecting rod, the first connecting rod, the sampling piston and the sampling suction pipe for detection, and the water pipe can convey water at the top to the bottom to clean the sample, so that the sampler is convenient and quick, and the influence of residual samples on next sampled samples can be avoided; detect silt through pushing mechanism and third fixed plate, also can carry out the sample detection to submarine silt when carrying out the sample to the water, improved work efficiency.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of a collection system for heavy metal pollution water sample.

Fig. 2 is a schematic structural diagram of the pushing mechanism of the present invention.

Fig. 3 is a schematic structural view of the sampling straw and the second connecting plate according to the present invention.

Reference numbers in the figures: 1. a sampler body; 2. a first fixing plate; 3. a sampling piston; 4. a pushing mechanism; 5. a first connecting plate; 6. a first connecting rod; 7. a second connecting rod; 8. a water pipe; 9. a motor; 10. a third connecting rod; 11. a fourth connecting rod; 12. a second connecting plate; 13. A spring; 14. a third connecting plate; 15. a limiting plate; 16. a sampling straw; 17. a third fixing plate; 18. and a fourth connecting 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.

Referring to fig. 1-3, a collecting device for heavy metal polluted water samples comprises a sampler body 1, a first fixing plate 2 is fixed on the inner wall of the sampler body 1, a motor 9 is fixed at the bottom of the first fixing plate 2, a second connecting rod 7 with a U-shaped structure is fixed at the other end of the motor 9, a sampling piston 3 fixed on the inner wall of the sampler body 1 is fixed at the other end of the second connecting rod 7, a first connecting rod 6 fixed on the top of the sampling piston 3 is movably sleeved on the sampling piston 3, a second fixing plate is fixed at the other end of the first connecting rod 6, two groups of third connecting rods 10 symmetrically distributed along the central axis of the second connecting rod are fixed at the bottom of the second fixing plate, a fourth connecting rod 11 is fixed at one end of the third connecting rod 10 extending out of the sampler body 1, a sampling suction pipe 16 fixedly sleeved on the bottom of the sampler body 1 is arranged, two groups of fourth connecting plates 18 which are arranged in parallel are fixed between the two groups of fourth connecting rods 11, the sampling suction pipe 16 is positioned between the two groups of fourth connecting plates 18, and the pushing mechanism 4 is movably sleeved on the outer ring of the sampling suction pipe 16; the motor 9 drives the second connecting rod 7 to move upwards, the second connecting rod 7 drives the sampling piston 3 to move upwards, so that water is extracted from the sampling suction pipe 16 to the bottom of the sampler body 1, after extraction is finished, a sample pushes the second connecting rod 7 through the motor 9, so that the sampling piston 3 is pushed to push the water out for detection, then the electromagnetic valve is opened to send the water stored at the top of the sampler body 1 to the bottom of the sampler body 1 through the water pipe 8, cleaning is carried out on the water, different objects are conveniently extracted next time, when underwater silt needs to be sampled and detected, firstly, the two groups of first connecting plates 5 are pushed to be in a vertical parallel state through the motor 9, then, the third fixing plate 17 is inserted into the silt, then the motor 9 drives the second connecting rod 7 to move upwards, and the second connecting rod 7 drives the first connecting rods 6 to move upwards together, meanwhile, the third connecting rod 10 is driven to move upwards, so that the fourth connecting rod 11 and the fourth connecting plate 18 move upwards together along the sampling suction pipe 16, meanwhile, the two sets of fourth connecting rods 11 drive the second connecting plate 12 to move upwards, the second connecting plate 12 gathers together the bottoms of the two sets of third connecting plates 14 through the spring 13, so that sludge is collected in a closed space formed between the two sets of third fixing plates 17 and the two sets of first connecting plates 5, the sludge is taken out and then detected, the use is facilitated, and the water quality and the sludge in the water can be subjected to sampling detection.

Further, the pushing mechanism 4 comprises a second connecting plate 12 which is movably sleeved with the outer ring of the sampling suction pipe 16 and has a hollow structure, the other end of the second connecting plate 12 is slidably sleeved with a third connecting plate 14, and a spring 13 is fixed between one end of the third connecting plate 14, which extends into the second connecting plate 12, and the inner wall of the second connecting plate 12; the two groups of first connecting plates 5 are driven to gather together through the second connecting plates 12 and the third connecting plates 14, so that sludge is collected, and the problem that the traditional device can only sample a small amount of sludge is solved.

Particularly, two groups of first connecting plates 5 symmetrically arranged along the central axis of the sampler body 1 are hinged to the bottom of the sampler body 1, first sliding grooves distributed along the length direction of the two groups of first connecting plates 5 are formed in one sides of the two groups of first connecting plates 5 close to each other, a first sliding block is sleeved in the first sliding grooves in a sliding mode, and the other end of the first sliding block is hinged to one end, far away from the second connecting plate 12, of the third connecting plate 14; the bottom ends of the two groups of first connecting plates 5 are driven to gather together through the first sliding grooves and the first sliding blocks, so that sludge is collected.

It is worth to be noted that, a limiting plate 15 perpendicular to the two groups of third connecting rods 10 is fixed on the side far away from each other, and a limiting lantern ring is fixedly sleeved on the outer ring of the bottom of the sampling suction pipe 16; the rotation range of the two groups of first connecting plates 5 is ensured through the limiting plates 15 and the limiting lantern rings, and sludge is better collected.

In addition, a water pipe 8 is fixed at the bottom of the first fixing plate 2, the bottom end of the water pipe 8 is movably sleeved with the sampling piston 3, and an electromagnetic valve is installed on the water pipe 8; two groups of third fixing plates 17 which are distributed in parallel are fixed at the bottom of the sampler body 1, and the two groups of third fixing plates 17 are positioned at two sides of the first connecting plate 5; the water at the top of the sampler body 1 is sent to the bottom of the sampler body through the water pipe 8 to be cleaned, so that the sampler is convenient to use next time; while sludge is collected by the third fixing plate 17.

The working principle is as follows: when field sampling is carried out, the motor 9 drives the second connecting rod 7 to move upwards, the second connecting rod 7 drives the sampling piston 3 to move upwards so as to extract water from the sampling suction pipe 16 to the bottom of the sampler body 1, after extraction is finished, the sample pushes the second connecting rod 7 through the motor 9 so as to push the sampling piston 3 to push out the water for detection, then the electromagnetic valve is opened to send the water stored at the top of the sampler body 1 to the bottom of the sampler body 1 through the water pipe 8 to clean the water, so that different objects can be conveniently extracted next time, when underwater silt needs to be sampled and detected, firstly, the motor 9 pushes the two groups of first connecting plates 5 to be in a vertical parallel state, then the third fixing plate 17 is inserted into the silt, then the motor 9 drives the second connecting rod 7 to move upwards, the second connecting rod 7 drives the first connecting rods 6 to move upwards together, meanwhile, the third connecting rod 10 is driven to move upwards, so that the fourth connecting rod 11 and the fourth connecting plate 18 move upwards together along the sampling suction pipe 16, meanwhile, the two sets of fourth connecting rods 11 drive the second connecting plate 12 to move upwards, the second connecting plate 12 gathers together the bottoms of the two sets of third connecting plates 14 through the spring 13, so that sludge is collected in a closed space formed between the two sets of third fixing plates 17 and the two sets of first connecting plates 5, the sludge is taken out and then detected, the use is facilitated, and the water quality and the sludge in the water can be subjected to sampling detection, the measured data are more accurate, meanwhile, the sludge is also conveniently carried and cleaned, and the working efficiency is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The collecting device for the heavy metal polluted water body sample comprises a sampler body (1) and is characterized in that a first fixing plate (2) is fixed on the inner wall of the sampler body (1), a motor (9) is fixed at the bottom of the first fixing plate (2), a second connecting rod (7) of a U-shaped structure is fixed at the other end of the motor (9), a sampling piston (3) fixed on the inner wall of the sampler body (1) is fixed at the other end of the second connecting rod (7), a first connecting rod (6) fixed at the top of the second connecting rod (7) is movably sleeved on the sampling piston (3), a second fixing plate is fixed at the other end of the first connecting rod (6), two groups of third connecting rods (10) which are symmetrically distributed along the central axis of the second fixing plate are fixed at the bottom of the second fixing plate, and a fourth connecting rod (11) is fixed at one end of each third connecting rod (10) extending out of the sampler body (1), two sets of be provided with between fourth connecting rod (11) with fixed sample straw (16) that cup joints in sampler body (1) bottom, two sets of be fixed with two sets of parallel arrangement's fourth connecting plate (18) between fourth connecting rod (11), and sample straw (16) are located between two sets of fourth connecting plate (18), pushing mechanism (4) have been cup jointed in the outer lane activity of sample straw (16).

2. The collection device for the heavy metal polluted water body sample according to claim 1, wherein the pushing mechanism (4) comprises a second connecting plate (12) which is movably sleeved with an outer ring of the sampling suction pipe (16) and has a hollow structure, a third connecting plate (14) is slidably sleeved at the other end of the second connecting plate (12), and a spring (13) is fixed between one end of the third connecting plate (14) extending into the second connecting plate (12) and the inner wall of the second connecting plate (12).

3. The collection device for the heavy metal polluted water body sample according to claim 1, wherein the bottom of the sampler body (1) is hinged with two groups of first connecting plates (5) which are symmetrically arranged along the central axis of the sampler body, one sides of the two groups of first connecting plates (5) which are close to each other are provided with first sliding grooves which are distributed along the length direction of the first connecting plates, a first sliding block is sleeved in the first sliding grooves in a sliding mode, and the other end of the first sliding block is hinged with one end, far away from the second connecting plate (12), of the third connecting plate (14).

4. The collection device for heavy metal polluted water samples as claimed in claim 1, wherein the two groups of third connecting rods (10) are fixed with limiting plates (15) perpendicular to the third connecting rods at the sides far away from each other, and a limiting lantern ring is fixedly sleeved on the outer ring of the bottom of the sampling suction pipe (16).

5. The collection device for the heavy metal polluted water body sample according to claim 1, wherein a water pipe (8) is fixed at the bottom of the first fixing plate (2), the bottom end of the water pipe (8) is movably sleeved with the sampling piston (3), and an electromagnetic valve is installed on the water pipe (8).

6. The collecting device for the heavy metal polluted water body sample according to claim 1, wherein two groups of third fixing plates (17) which are distributed in parallel are fixed at the bottom of the sampler body (1), and the two groups of third fixing plates (17) are positioned at two sides of the first connecting plate (5).