CN208206571U - A kind of sampler for water environment detection - Google Patents

Abstract

The utility model discloses a sampling device for water environment detection, which comprises a sampling tube, a sleeve, a through hole, a sealing plug, a connecting rod, a fixed block, a rotating rod, a clamping groove, a clamping rod, a flow guide tube and a sealing cover , clamp rod, fixed plate, electric push rod, pressure plate, piston rod and piston. The sampling device for water environment detection has a simple structure and is easy to operate. The movement of the piston facilitates the sampling of the water source. By sealing the casing sampling tube, the sample is prevented from being affected by external environmental factors and the accuracy of sampling is improved. It is conducive to the preservation of samples, and the removal of samples is facilitated through the diversion tube; the clamping rod of the sampling device for water environment testing extends the sampling tube to the center of the water surface and drives the piston to move through the electric push rod for sampling, which is conducive to improving the sample quality. Representative, avoiding the inaccuracy of data caused by usually only sampling shore water sources, reducing the difficulty of sampling and improving work efficiency.

Description

A sampling device for water environment detection

technical field

The utility model relates to a sampling device, in particular to a sampling device for water environment detection, which belongs to the technical field of environmental detection applications.

Background technique

Water quality monitoring is the process of monitoring and measuring the types of pollutants in the water body, the concentration of various pollutants and the trend of change, and evaluating the water quality status. The monitoring scope is very wide, including unpolluted and polluted natural water, such as rivers, For rivers, lakes, seas, groundwater and various industrial drainage, the main monitoring items can be divided into two categories: one is the comprehensive indicators reflecting the water quality, such as temperature, chromaticity, turbidity, pH value, conductivity Rate, suspended solids, dissolved oxygen, chemical oxygen demand and biochemical oxygen demand, etc.; the other category is some toxic substances, such as phenol, cyanide, arsenic, lead, chromium, cadmium, mercury and organic pesticides, etc., which are objectively evaluated The water quality of rivers and oceans, in addition to the above monitoring items, sometimes requires the measurement of flow velocity and flow.

Water quality monitoring currently on the market can provide data and information for environmental management, and can provide a basis for evaluating the water quality of rivers and oceans. However, for sampling of the water environment, the samples are easily affected by external environmental factors after sampling, resulting in measurement errors. The results are biased; and it is usually difficult to sample samples at the center of the water surface, and sampling on the shore cannot guarantee the accuracy of the data. Therefore, in view of the above problems, a sampling device for water environment detection is proposed.

Utility model content

The purpose of this utility model is to provide a sampling device for water environment detection in order to solve the above problems.

The utility model achieves the above object through the following technical solutions. A sampling device for water environment detection includes a sampling tube and a sleeve located at the bottom of the sampling tube. The side wall of the sleeve is provided with several through holes. The inner bottom end of the casing is fixedly connected with the sealing plug, the top end of the casing is rotatably connected with the bottom end of the connecting rod, and the top end of the connecting rod is rotatably connected with the fixed block, and the fixed block is connected with the bottom of the rotating rod. The center of the end is fixedly connected, and the end of the rotating rod is provided with a card slot; the side wall of the sampling tube is fixedly connected with the clamping rod, and the side wall at the center of the sampling tube is fixedly connected with a guide tube. The bottom end of the draft tube is threadedly connected to the sealing cover, the top of the sampling tube is clamped with a clamping rod, and the top of the clamping rod is provided with a fixing plate fixedly connected to the side wall at the top of the sampling tube, and the fixing plate The top end is fixedly connected with the electric push rod, and the top end of the electric push rod is fixedly connected with the bottom end of the pressure plate, and the center of the bottom end of the pressure plate is fixedly connected with the top end of the piston rod, and the bottom end of the piston rod is fixedly connected with the piston.

Preferably, the sleeve is sleeved with the bottom end of the sampling tube, and the sealing plug at the inner bottom end of the sleeve is closely attached to the bottom end of the sampling tube.

Preferably, the end of the rotating rod is rotatably connected to the side wall of the sampling tube, and the locking groove at the other end of the rotating rod is engaged with the locking rod.

Preferably, the piston is located at the inner top of the sampling tube, and the piston is slidably connected to the inner wall of the sampling tube.

Preferably, there are two electric push rods, and the two electric push rods are respectively located on both sides of the sampling tube.

Preferably, the side wall of the sleeve is provided with six through holes, and the top end of the sleeve is rotatably connected with two connecting rods.

The beneficial effects of the utility model are:

1. The sampling device used for water environment detection has a simple structure and is easy to operate. The movement of the piston facilitates the sampling of the water source. By sealing the casing sampling tube, the sample is prevented from being affected by external environmental factors and the accuracy of sampling is improved. It is beneficial to the preservation of samples, and it is convenient to take out samples through the diversion tube.

2. The clamp rod of the sampling device used for water environment detection extends the sampling tube to the center of the water surface and drives the piston to move through the electric push rod for sampling, which is conducive to improving the representativeness of the sample and avoiding the problem of only sampling the water source on the shore. Data inaccuracy reduces the difficulty of sampling and improves work efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the local structure at A in Fig. 1 of the utility model.

In the figure: 1. Sampling tube, 2. Sleeve, 3. Through hole, 4. Sealing plug, 5. Connecting rod, 6. Fixed block, 7. Rotating rod, 8. Clamping slot, 9. Clamping rod, 10. Guide tube, 11, sealing cover, 12, clamp rod, 13, fixed plate, 14, electric push rod, 15, pressing plate, 16, piston rod, 17, piston.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, a sampling device for water environment detection, including a sampling tube 1 and a sleeve 2 located at the bottom of the sampling tube 1, the side wall of the sleeve 2 is provided with several through holes 3. It is convenient for the sample to enter the sampling tube 1, and the inner bottom end of the sleeve tube 2 is fixedly connected with the sealing plug 4 for sealing and protecting the sample after sampling, and the top end of the sleeve tube 2 is rotationally connected with the bottom end of the connecting rod 5, And the top of the connecting rod 5 is rotatably connected with the fixed block 6, and the fixed block 6 is fixedly connected with the center of the bottom end of the rotating rod 7, and the end of the rotating rod 7 is provided with a slot 8 for rotating Fixing of the rod 7; the side wall of the sampling tube 1 is fixedly connected with the clamping rod 9, and the side wall at the center of the sampling tube 1 is fixedly connected with a guide tube 10, and the bottom end of the guide tube 10 is connected with the sealing cover 11 threaded connection, easy to take out the sample, the top of the sampling tube 1 is clamped with a clamping rod 12, which is convenient to extend the sampling tube 1 to the center of the water surface, and the top of the clamping rod 12 is provided with the top side of the sampling tube 1. The fixed plate 13 fixedly connected to the wall, the top of the fixed plate 13 is fixedly connected with the electric push rod 14, and the top of the electric push rod 14 is fixedly connected with the bottom end of the pressing plate 15, and the center of the bottom end of the pressing plate 15 is connected with the piston rod The top end of the piston rod 16 is fixedly connected, and the bottom end of the piston rod 16 is fixedly connected with the piston 17.

The sleeve 2 is socketed with the bottom end of the sampling tube 1, and the sealing plug 4 at the inner bottom of the sleeve 2 is closely attached to the bottom end of the sampling tube 1, so as to facilitate the sealing of the sample and avoid being affected by external factors; The end of the rotating rod 7 is rotatably connected to the side wall of the sampling tube 1, and the draw-in groove 8 at the other end of the rotating rod 7 is engaged with the clamping rod 9 to facilitate the fixing of the casing 2; the piston 17 is located in the sampling tube 1, and the piston 17 is slidably connected to the inner wall of the sampling tube 1, so as to facilitate the suction of water; the number of the electric push rods 14 is two, and the two electric push rods 14 are respectively located in the sampling tube 1 The two sides of the push plate 15 are convenient for vertical movement; the side wall of the sleeve 2 is provided with six through holes 3, and the top of the sleeve 2 is rotatably connected with two connecting rods 5, which is convenient for the water source to enter and sample Tube 1 inside.

When the utility model is in use, first connect the electrical components in the device to an external power supply and a control switch, clamp the clamping rod 12 to the outer wall of the sampling tube 1 at the bottom of the fixed plate 13, and rotate the rotating rod 7 so that the casing 2 is positioned at the bottom of the sampling tube 1. The bottom end makes the through hole 3 leave the side wall of the sampling tube 1, so that the water source can enter the casing 2 through the through hole 3, extend the sampling tube 1 to the center of the water surface, and drive the pressure plate 15 by controlling the expansion and contraction of the electric push rod 14 Move vertically, so that the piston rod 16 drives the piston 17 to move vertically, so that the water source enters the inside of the sampling tube 1 through the through hole 3 on the side wall of the casing 2, which reduces the difficulty of sampling and improves the accuracy of sampling; , by turning the rotating rod 7, the slot 8 on the rotating rod 7 is clamped to the locking rod 9, the rotation of the rotating rod 7 makes the connecting rod 5 rotate and pull the sleeve 2 to move vertically, so that the sealing plug inside the sleeve 2 4. It is sealed with the bottom of the sampling tube 1 to prevent the water sample from being affected by the external environment. By opening the sealing cover 11, it is convenient to take out the sample and improve the convenience of sampling.

The electric push rod 14 adopts the DT DTZ DTI DTII electric push rod and its supporting power supply and circuit provided by Yangzhou Guruite Electromechanical Equipment Co., Ltd.

The circuits, electronic components and modules involved are all existing technologies, which can be realized by those skilled in the art. Needless to say, the content protected by the utility model does not involve the improvement of software and methods.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to be included in the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A sampling device for water environment detection, comprising a sampling pipe (1) and a casing (2) positioned at the bottom end of the sampling pipe (1), characterized in that: the side wall of the casing (2) is opened There are several through holes (3), the inner bottom end of the sleeve (2) is fixedly connected with the sealing plug (4), the top end of the sleeve (2) is rotationally connected with the bottom end of the connecting rod (5), and The top of the connecting rod (5) is rotatably connected to the fixed block (6), the fixed block (6) is fixedly connected to the center of the bottom end of the rotating rod (7), and the end of the rotating rod (7) A card slot (8) is provided; the side wall of the sampling tube (1) is fixedly connected with the clamping rod (9), and the side wall at the center of the sampling tube (1) is fixedly connected with a guide tube (10), so The bottom end of the draft tube (10) is threadedly connected to the sealing cover (11), the top of the sampling tube (1) is clamped with a clamping rod (12), and the top of the clamping rod (12) is provided with a The fixed plate (13) fixedly connected to the top side wall of the sampling tube (1), the top of the fixed plate (13) is fixedly connected to the electric push rod (14), and the top of the electric push rod (14) is connected to the pressure plate ( 15) The bottom end is fixedly connected, the center of the bottom end of the pressing plate (15) is fixedly connected with the top end of the piston rod (16), and the bottom end of the piston rod (16) is fixedly connected with the piston (17). 2. A sampling device for water environment detection according to claim 1, characterized in that: the sleeve (2) is socketed with the bottom end of the sampling pipe (1), and the sleeve (2) ) The sealing plug (4) at the bottom end of the inside fits closely with the bottom end of the sampling tube (1). 3. A sampling device for water environment detection according to claim 1, characterized in that: the end of the rotating rod (7) is connected to the side wall of the sampling pipe (1) in rotation, and the rotation The locking groove (8) at the other end of the rod (7) is engaged with the locking rod (9). 4. A kind of sampling device for water environment detection according to claim 1, characterized in that: the piston (17) is located at the inner top of the sampling pipe (1), and the piston (17) and the The inner wall of the sampling pipe (1) is slidingly connected. 5. A sampling device for water environment detection according to claim 1, characterized in that: the number of the electric push rods (14) is two, and the two electric push rods (14) are respectively Located on both sides of the sampling tube (1). 6. A sampling device for water environment detection according to claim 1, characterized in that: the side wall of the casing (2) is provided with six through holes (3), and the casing ( 2) The top rotation is connected with two connecting rods (5).