CN218766126U - Portable water quality testing sampling device - Google Patents

Abstract

The utility model provides a portable water quality testing sampling device, which comprises a fixed component which can be fixed on a ship, a lifting component which is arranged on the fixed component and can move in water, and a sampling mechanism which is arranged on the lifting component, wherein the sampling mechanism comprises a sampling ring which is arranged on the lifting component and provided with a plurality of sampling grooves on the inner ring surface at equal intervals, a liquid inlet ring which is arranged in the sampling ring in a penetrating way and is hermetically attached to the inner ring surface of the sampling ring by the outer ring surface, and a control component which is arranged on the lifting component and connected with the liquid inlet ring, and a liquid inlet hole which can be communicated with each sampling groove is arranged on the end surface of one end of the liquid inlet ring close to the lifting component; the control assembly is arranged on the lifting assembly and drives the liquid inlet ring and the sampling ring to rotate relatively; the utility model discloses can be convenient gather the sample to the different degree of depth water under the surface of water, improve the efficiency that the water sample was gathered.

Description

A portable water quality testing and sampling device

technical field

The utility model relates to the technical field of water quality detection, in particular to a portable water quality detection and sampling device.

Background technique

Water is the basis for human survival, and changes in the water environment are closely related to human survival and development. In recent years, with the rapid development of my country's economy, the environmental pollution of rivers, lakes and other water resources has become increasingly serious. Water pollution has become one of the most important factors restricting my country's development.

Water quality monitoring is the process of monitoring and measuring the types of pollutants in the water body, the concentration and change trend of various pollutants, and evaluating the water quality status. Water quality monitoring is an important means of water resources protection. At present, China's water quality monitoring is usually based on ground fixed point sampling monitoring, which needs to collect water in rivers and lakes. The existing sampling methods directly use sampling bottles to monitor the surface of rivers and lakes. Sampling of water at various locations in order to improve the accuracy of water quality collection and detection, and now it is necessary to collect water quality at different depths under the water surface when sampling, but when the existing sampling device samples water at different depths, it needs Water at different depths has been collected many times, resulting in the need to use sampling devices to collect water at different depths under the water surface. The collection efficiency is low, and it is not convenient to collect and sample water at different depths.

Utility model content

In view of the above technical problems, the utility model provides a portable water quality detection and sampling device, which can conveniently collect and sample water at different depths under the water surface, and improves the efficiency of water sample collection.

In order to achieve the above purpose, the utility model provides the following technical solutions: a portable water quality testing and sampling device, including a fixed component that can be fixed on the ship, a lifting component that is arranged on the fixed component and can move in the water, and a The sampling mechanism on the lifting assembly, the sampling mechanism includes a sampling ring that is arranged on the lifting assembly and has a plurality of sampling grooves at equal intervals on the inner ring surface, passes through the inner ring of the sampling ring and the outer ring The liquid inlet ring that is sealingly bonded to the inner ring surface of the sampling ring, and the control assembly that is arranged on the lifting assembly and connected to the liquid inlet ring. The liquid inlet hole through which the sampling tank is connected;

The control assembly is arranged on the lifting assembly and drives relative rotation between the liquid inlet ring and the sampling ring;

The end surface of the sampling ring away from the lifting assembly is provided with a plurality of through holes corresponding to the plurality of sampling grooves one by one, and the end surface of the sampling ring with the through holes is provided with a liquid discharge ring. A liquid discharge hole corresponding to the liquid inlet hole is opened on the liquid ring.

Preferably, the control assembly includes a fixing piece on the lifting assembly that can be fixedly connected with the liquid inlet ring, and an adjusting piece on the lifting assembly that can drive the sampling ring to rotate.

Preferably, the lifting assembly includes a lifting tube connected to the fixed component through a lifting piece and having a lifting groove on the end surface, a lifting plate penetrating in the lifting groove along the axial direction of the lifting cylinder, and a lifting plate installed in the lifting groove. An adjustment rod on one side of the plate and rotatably connected to the inner wall of the lifting groove.

Preferably, the lifting member includes a connecting block that can be passed through a connecting groove on the top end surface of the lifting tube, a storage tube that is set in the connecting block, and one end is set on the storage tube and the other end is passed through the A connecting rope connecting the outside of the block and connecting the groove wall of the connecting groove.

Preferably, the adjustment member includes an adjustment ring arranged on the end surface of the lifting cylinder away from the lifting assembly, an adjustment tooth ring that is passed through the adjustment ring and connected to the mounting ring on the adjustment ring, and a sampling ring. There is a linkage ring on the ring that can be matched with the installation groove on the end surface of the installation ring away from the lifting cylinder. The lifting cylinder is provided with a drive motor whose output end is connected to the adjustment gear.

Preferably, the fixing member includes a limiting block arranged at an end of the inner wall of the lift tank away from the fixing assembly, and a limiting rod arranged on the liquid inlet ring and capable of being fixed with the limiting block.

Preferably, the fixing assembly includes a mounting block connected to the connecting block on one side, a two-way screw rod provided in a chute on the lower end surface of the mounting block, sleeved on both ends of the two-way screw rod and connected to the The screw nuts threadedly connected by the two-way screw rods, and two fixed blocks arranged under each of the screw nuts and parallel to each other.

The beneficial effect of the utility model: it is convenient to install the sampling mechanism on the ship through the fixing component, and then place the sampling mechanism in the water surface, and then it is convenient to drive the sampling mechanism to move in the water surface through the lifting component, and it is convenient to drive the sampling ring and the inlet through the adjusting component. Rotate between the liquid rings, so that it is easy to adjust the rotation of the liquid inlet ring so that the liquid inlet hole can be connected with different sampling tanks, so that it is convenient to drive the sampling ring to move at different positions in the water surface through the lifting assembly, and when it moves to different depths, it can be controlled. The component is convenient to rotate between the liquid inlet ring and the sampling ring, so that it is convenient to sample water at different depths under the water surface, and then the position between the liquid inlet ring and the sampling ring is rotated by the control component, so that samples can be collected through the liquid inlet ring The water sampling tank is sealed, which can conveniently collect samples of water at different depths under the water surface, and improves the efficiency of water sample collection.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation of the utility model. In the accompanying drawings:

Fig. 1 is a schematic structural diagram of a portable water quality testing and sampling device proposed by the utility model.

Fig. 2 is a schematic view of the structure of the portable water quality testing and sampling device proposed by the utility model.

Fig. 3 is a schematic diagram of the structure of the portable water quality testing and sampling device proposed by the utility model when sampling.

Fig. 4 is a structural schematic diagram of the sampling mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the control assembly of the present invention.

Fig. 6 is a schematic diagram of the structure of the sampling ring and the liquid inlet ring of the present invention.

Fig. 7 is a schematic diagram of the structure of the sampling loop of the present invention.

In the figure: 1. Installation block; 2. Fixed block; 3. Lifting cylinder; 4. Adjusting ring; 5. Sampling ring; 6. Lifting groove; 7. Connecting groove; 8. Connecting block; Lifting plate; 11, two-way screw rod; 12, liquid inlet ring; 13, liquid discharge ring; 14, limit rod; 15, limit block; 16, connecting rope; 17, installation ring; 18, drain hole; 19 , installation groove; 20, adjusting gear ring; 21, linkage ring; 22, liquid inlet hole; 23, through hole; 24, sampling groove.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments and accompanying drawings, but the following examples are only preferred embodiments of the utility model , not all. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present utility model.

Please refer to Figure 1-7, a portable water quality testing sampling device, including a fixed component that can be fixed on the ship, a lifting component that is located on the fixed component and can move in the water, and a sampling mechanism that is located on the lifting component, The sampling mechanism includes a sampling ring 5 that is arranged on the lifting assembly and has a plurality of sampling grooves 24 at equal intervals on the inner ring surface, and a ring that is installed in the inner ring of the sampling ring 5 and that the outer ring surface is sealed and bonded to the inner ring surface of the sampling ring 5 . The liquid inlet ring 12, and the control assembly arranged on the lifting assembly and connected to the liquid inlet ring 12, the liquid inlet ring 12 is provided with a liquid inlet hole 22 that can communicate with each sampling tank 24 on the end surface of the lifting assembly;

The control assembly is arranged on the lifting assembly and drives the relative rotation between the liquid inlet ring 12 and the sampling ring 5 .

As shown in Figure 1-7, the fixing component is directly fixed to the boat, and then the sampling mechanism is placed under the water surface, and the lifting component is used to drive the sampling mechanism to move to different depths under the water surface, and then through the boat on the water surface Move on the top, so as to facilitate the sampling of water at different positions and depths on the water surface, improve the accuracy of water sampling, and reduce the occurrence of accidental errors. Adjust, so that the liquid inlet holes 22 provided on the liquid inlet ring 12 are connected with different sampling grooves 24 respectively, so that water can flow into the sampling groove 24 through the liquid inlet holes 22, and then the liquid inlet ring 12 and the The position between the sampling rings 5 is rotated, so that the liquid inlet hole 22 is rotated to a position connected with other sampling grooves 24, so that the sampling groove 24 for collecting sample water is conveniently closed through the side of the liquid inlet ring 12, It can conveniently collect and sample water at different depths under the water surface, which improves the efficiency of water sample collection.

Sampling through the plurality of sampling grooves 24 provided on the sampling ring 5 avoids the need to carry a device for storing multiple sampling samples, thereby facilitating portability.

The end surface of the sampling ring 5 away from the lifting assembly is provided with a plurality of through-holes 23 which correspond to the plurality of sampling grooves 24 one by one. 13 is provided with a liquid discharge hole 18 corresponding to the liquid inlet hole 22 .

As shown in Figure 3-7, when the sampling ring 5 moves under the water surface, the water will enter the sampling tank 24 through the liquid inlet hole 22, and the air in the sampling tank 24 will be discharged through the through hole 23 and the liquid discharge hole 18 into the water, so that if it is convenient for water to enter the sampling tank 24, it is convenient to sample the water.

The control assembly includes a fixing piece on the lifting assembly that can be fixedly connected with the liquid inlet ring 12, and an adjusting piece on the lifting assembly that can drive the sampling ring 5 to rotate.

The lifting assembly includes a lifting tube 3 connected to a fixed component by a lifting piece and an lifting groove 6 on the end surface, a lifting plate 10 that is installed in the lifting groove 6 along the axial direction of the lifting tube 3, and a lifting plate 10 that is arranged on one side of the lifting plate 10 and is connected with the lifting groove 6. The adjusting rod 9 that groove 6 inwalls are rotatably connected.

As shown in Figure 1, wherein the lifting cylinder 3 is placed in the water, the lifting cylinder 3 is pulled to move in different positions in the water under the action of the traction force of the ship, and the rotation of the lifting plate 10 is adjusted by the adjusting rod 9, so as to facilitate the adjustment of the lifting cylinder 3 on the water surface. It is easy to adjust the distance of the lifting cylinder 3 in the vertical direction in the water surface, thereby facilitating the adjustment of the sampling ring 5 to sample water at different depths, avoiding the need to repeatedly test water at different depths through the sampling device in the prior art. A sampling situation occurs.

The lifter includes a connecting block 8 that can be set in the connecting groove 7 on the top end surface of the lifting tube 3, a storage tube that is located in the connecting block 8, and one end is located on the storage tube and the other end is passed through the outside of the connecting block 8 and Connect the connection rope 16 of connection groove 7 groove walls.

As shown in Figures 1-3, the connecting rope 16 wound on the receiving cylinder can also be released or accommodated by the motor-driven storage cylinder, so as to facilitate the adjustment of the length of the connecting rope 16 between the lifting cylinder 3 and the fixed assembly, thereby facilitating Adjust the depth of the sampling ring 5 under the water surface when the ship stops, so as to facilitate the sampling ring 5 to sample water at different depths, and multiple samplings can be performed at different depths of water, thereby improving the efficiency of sampling.

The adjustment member includes an adjustment ring 4 arranged on the end surface of the lifting cylinder 3 away from the lifting assembly, an adjustment toothed ring 20 that passes through the adjustment ring 4 and is connected to the mounting ring 17 on the adjustment ring 4, and is arranged on the sampling ring 5 And the linkage ring 21 that can be matched with the mounting groove 19 provided with the mounting ring 17 away from one end face of the lifting tube 3, the lifting tube 3 is provided with a driving motor whose output end is connected to the adjusting gear.

As shown in Figure 5, wherein the drive motor is a stepper motor, the drive motor rotates the adjustment gear to rotate, and the adjustment gear meshes with the adjustment gear ring 20, so that the rotation of the sampling ring 5 can be controlled by the drive motor, that is, the sampling ring can be controlled. 5 and the liquid inlet ring 12 are relatively rotated, so that it is convenient to control the liquid inlet hole 22 opened on the liquid inlet ring 12 to communicate with different sampling grooves 24, so as to facilitate the adjustment of the liquid inlet hole 22 and different sampling grooves when sampling water at different depths. The groove 24 is connected, so that it is convenient to carry out multiple sampling of water at different depths, and the water of different depths is stored in different sampling grooves 24, which can conveniently collect samples of water at different depths under the water surface, and improve the efficiency of water sample collection.

The fixing part includes a limiting block 15 disposed on the inner wall of the lifting groove 6 away from the fixing assembly, and a limiting rod 14 disposed on the liquid inlet ring 12 and capable of being fixed to the limiting block 15 .

Wherein the side of sampling ring 5 is fixedly pierced with a plurality of taking-out tubes corresponding to a plurality of sampling grooves 24 one by one, and the taking-out tube is threadedly connected with a sealed connection cap, after sampling ring 5 sampling is completed, by rotating multiple The tube cover facilitates the removal of the tube cover, and the sampled water is conveniently taken out through the take-out tube.

The fixed assembly includes a mounting block 1 connected to the connecting block 8 on one side, a bidirectional screw rod 11 set in a chute on the lower end surface of the mounting block 1, sleeved on both ends of the bidirectional screw rod 11 and threadedly connected with the bidirectional screw rod 11 screw nuts, and two fixed blocks 2 arranged below each screw nut and parallel to each other.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the utility model Under the premise of the spirit and scope, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A portable water quality detection sampling device comprises a fixed assembly which can be fixed on a ship, a lifting assembly which is arranged on the fixed assembly and can move in water, and a sampling mechanism which is arranged on the lifting assembly, and is characterized in that the sampling mechanism comprises a sampling ring (5) which is arranged on the lifting assembly and provided with a plurality of sampling grooves (24) on the inner ring surface at equal intervals, a liquid inlet ring (12) which is arranged in the inner ring of the sampling ring (5) in a penetrating way and is hermetically jointed with the inner ring surface of the sampling ring (5) on the outer ring surface, and a control assembly which is arranged on the lifting assembly and is connected with the liquid inlet ring (12), wherein a liquid inlet hole (22) which can be communicated with each sampling groove (24) is arranged on the end surface of the liquid inlet ring (12) close to the lifting assembly;

the control assembly is arranged on the lifting assembly and drives the liquid inlet ring (12) and the sampling ring (5) to rotate relatively;

the end face, far away from the lifting assembly, of the sampling ring (5) is provided with a plurality of through holes (23) which are communicated with the sampling grooves (24) in a one-to-one correspondence mode, the end face, provided with the through holes (23), of the sampling ring (5) is provided with a liquid discharge ring (13) in a fit mode, and the liquid discharge ring (13) is provided with a liquid discharge hole (18) corresponding to the liquid inlet hole (22).

2. The portable water quality detection sampling device of claim 1, wherein: the control assembly comprises a fixing part which is arranged on the lifting assembly and can be fixedly connected with the liquid inlet ring (12), and an adjusting part which is arranged on the lifting assembly and can drive the sampling ring (5) to rotate.

3. The portable water quality detection sampling device of claim 2, wherein: the lifting assembly comprises a lifting cylinder (3) which is connected with the fixed assembly through a lifting piece, the end face of the lifting cylinder is provided with a lifting groove (6), a lifting plate (10) which penetrates through the lifting groove (6) along the axis direction of the lifting cylinder (3), and an adjusting rod (9) which is arranged on one side of the lifting plate (10) and is rotationally connected with the inner wall of the lifting groove (6).

4. A portable water quality testing sampling device according to claim 3, characterized in that: the lifting piece comprises a connecting block (8) which can be arranged on the end face of the top end of the lifting cylinder (3) in a connecting groove (7) in a penetrating mode, a containing cylinder arranged in the connecting block (8) and a connecting rope (16) with one end arranged on the containing cylinder and the other end arranged outside the connecting block (8) in a penetrating mode and connected with the groove wall of the connecting groove (7).

5. A portable water quality testing sampling device according to claim 3, characterized in that: the adjusting part is including locating lift section of thick bamboo (3) keep away from adjustable ring (4) on the one end terminal surface of lifting unit, wear to locate just connect the laminating in adjustable ring (4) the regulation ring gear (20) of collar (17) and locate on sample ring (4) and can keep away from lift section of thick bamboo (3) one end terminal surface with collar (17) and set up mounting groove (19) assorted link ring (21), be equipped with the driving motor that the output connects adjusting gear on lift section of thick bamboo (3).

6. The portable water quality detection sampling device of claim 5, wherein: the fixing piece comprises a limiting block (15) which is arranged on the inner wall of the lifting groove (6) and is far away from one end position of the fixing component, and a limiting rod (14) which is arranged on the liquid inlet ring (12) and can be fixed with the limiting block (15).

7. The portable water quality detection sampling device of claim 6, wherein: the fixing assembly comprises an installation block (1) with one side connected with a connection block (8), a bidirectional screw rod (11) arranged in a chute on the lower end face of the installation block (1), screw nuts sleeved on two ends of the bidirectional screw rod (11) and in threaded connection with the bidirectional screw rod (11), and two fixing blocks (2) arranged below the screw nuts and parallel to each other.

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