CN219121853U - A sampling device with impurity removal function for water quality testing - Google Patents

Abstract

The utility model discloses a sampling device with the function of removing impurities for water quality detection, which comprises a main body, and a sampling nozzle is opened on the top of the main body near the right side. When the utility model is in use, a driving motor, a rotating shaft and a driving cone The mutual cooperation between the shape gear, the driven bevel gear, the rotating rod, the cam, the top plate and the fourth spring can drive the two cams to rotate when the transmission motor is working, and push the two top plates to move up and down, thus passing through the two fourth The spring drives the adjacent steel balls to vibrate up and down, and then the steel balls strike the filter screen groove. In addition, the hollow cylinder can be moved from the main body through the mutual cooperation between the limit ring, the pressure plate, the moving block and the second spring. Disassemble it, and through the mutual cooperation between the telescopic rod, the square, the first limit plate, the cross bar, the first spring, the connecting plate and the pull ring, the filter screen groove can be removed from the inner cavity of the hollow cylinder, so that the filter screen can be removed The tank is clean and easy to operate.

Description

Sampling device with impurity removal function for water quality testing

technical field

The utility model relates to the technical field of water quality detection, in particular to a sampling device with the function of removing impurities for water quality detection.

Background technique

Water is the source of life. Human beings cannot do without water in their daily life and production activities. The quality of drinking water is closely related to human health. With the development of society and economy, the progress of science and the improvement of people's living standards, people's requirements for the quality of drinking water have been continuously improved, and the standards for drinking water quality have also been continuously developed and improved accordingly. Since the establishment of drinking water quality standards is related to many factors such as people's living habits, culture, economic conditions, scientific and technological development level, water resources and their water quality status, not only between countries, but also between different regions of the same country, There are differences in the requirements for drinking water quality.

The existing sampling device for water quality testing is inconvenient to fully clean the impurities on the filter screen during use, and at the same time, when the impurities in the filter screen accumulate a lot, it is easy to cause blockage, which affects the use effect of the device. In addition, the existing sampling device, The degree of automation is low, and a large amount of manual labor is required for control, which is not conducive to the further popularization and use of the device.

Utility model content

In order to overcome the deficiencies of the prior art, one of the purposes of the present utility model is to provide a sampling device with the function of removing impurities for water quality detection.

One of purpose of the utility model adopts following technical scheme to realize:

A sampling device with impurity removal function for water quality detection, comprising a main body, a sampling nozzle is opened on the top of the main body near the right side, a PLC controller is installed on the top of the main body near the right side, and the main body A water pump is installed on the left side of the top of the water pump, and the left side of the water pump is fixedly connected with a water inlet pipe, and the right side of the water pump is fixedly connected with a water outlet pipe, and the right end of the water outlet pipe is fixedly connected with a bellows, and the bellows The right end of the pipe is fixedly connected with a connecting pipe, a round hole is opened in the middle of the top of the main body, and a hollow tube is provided through the inner cavity of the round hole, and a cover plate is fixedly connected to the top of the hollow tube, and the The inner cavity of the hollow cylinder is plugged with a filter mesh groove, a connection mechanism is provided between the filter mesh groove and the hollow cylinder, a snap-fit mechanism is provided between the hollow cylinder and the main body, and the left side of the hollow cylinder is close to the top A perforation matching the communication pipe is opened at the position, the right end of the communication pipe passes through the perforation, and extends to the inner cavity of the hollow cylinder, the outer side of the communication pipe is covered with a sealing ring, and the right side of the sealing ring is in contact with the inner cavity of the hollow cylinder. The left side walls of the hollow cylinder are attached to each other, the connecting pipe is provided with a limit mechanism, the bottom of the filter mesh tank is provided with a shaking mechanism, and the bottom of the main body is fixedly connected with supporting legs on the front, rear and left and right sides. The bottom of the main body is fixedly connected with a U-shaped bracket near the right side, and the top of the U-shaped bracket is installed with a transmission motor near the left side, and the top of the U-shaped bracket is fixedly connected with a lithium battery near the right side, so The power output end of the transmission motor is fixedly connected with a rotating shaft, the bottom of the main body is fixedly connected with a sealed bearing, the top of the rotating shaft runs through the sealed bearing and extends to the inner cavity of the main body, the left and right sides of the rotating shaft are close to the top Both are fixedly connected with a fixed rod, and the other end of the fixed rod is fixedly connected with a first cleaning brush, and a drain pipe is plugged into the bottom of the main body near the left side, and an electromagnetic control valve is provided on the drain pipe.

Further, a second cleaning brush is fixedly connected to the left and right sides of the rotating shaft near the bottom end, and the bottom of the second cleaning brush is attached to the bottom of the inner cavity of the main body.

Further, the connecting mechanism includes two telescopic rods, and the two telescopic rods are respectively fixedly connected to the left and right sides of the top of the filter screen groove, and the bottom of the cover plate is provided with square concave holes near the left and right sides. groove, and the top of the inner cavity of the square groove is fitted with a square, and the tops of the two telescopic rods are respectively fixedly connected with the adjacent squares, and the first holes are opened on the cover near the left and right sides. Cavity, and the inner cavity of the first cavity is fitted with a first limiting plate, and a cross bar is installed on the two first limiting plates, and the left and right sides of the two first cavities Both are provided with first through holes, and the sides of the two blocks away from each other are provided with first blind holes. The inner cavity of the adjacent first blind hole, the ends of the two cross bars that are far away from each other pass through the adjacent first through hole inner cavity, and are fixedly connected with the connecting plate, and the two sides of the connecting plate that are far away from each other Both of them are rotatably connected with pull rings, the outer sides of the two cross bars are provided with first springs, and the two ends of the first springs are respectively fixedly connected with the inner wall of the first cavity and the first limiting plate.

Further, the clamping mechanism includes a limit ring, the limit ring is sleeved on the outside of the hollow cylinder, and the limit ring and the hollow cylinder are welded, and the bottom of the limit ring is connected to the top of the main body fit, and the top right side of the limit ring is fitted with a pressure plate, the right side of the pressure plate is fixedly connected with a moving block, and the bottom of the moving block is fixedly connected with a first slider, and the main body There is a first chute on the top near the right side, and the first slider is movably connected to the inner cavity of the first chute, the right side of the first slider is fixedly connected with a second spring, and the first slider The right end of the second spring is fixedly connected with the right side wall of the inner cavity of the first chute.

Further, the limiting mechanism includes a moving ring, and the moving ring is sleeved on the outside of the connecting pipe, the moving ring and the connecting pipe are fixedly connected, and the bottom of the moving ring is provided with a second blind hole. And the inner cavity of the second blind hole is inserted with a positioning rod, the bottom of the moving ring is provided with a fixed block, and the bottom of the fixed block is fixedly connected with the top of the main body, and a second hole is opened on the fixed block. cavity, and the inner cavity of the second cavity is fitted with a second limiting plate near the top, the top of the second cavity is provided with a second through hole, and the bottom end of the positioning rod passes through the second through hole inner cavity, and is fixedly connected with the second limiting plate, the bottom of the second limiting plate is fixedly connected with a third spring, and the bottom end of the third spring is fixedly connected with the bottom of the inner cavity of the second cavity, so The left side of the second limiting plate is fixedly connected with a toggle rod, the left side of the second cavity is provided with a slot matching with the toggle rod, and the left end of the toggle rod runs through the slot, and extending to the outside of the second cavity.

Further, the shaking mechanism includes two steel balls, and the two steel balls are respectively located at the bottom of the filter screen groove near the left and right sides, and the bottoms of the two steel balls are fixedly connected with a fourth spring, and The bottom end of the fourth spring is fixedly connected with a top plate, and the sides of the two top plates away from each other are fitted with a riser, and the top of the riser is fixedly connected with the top of the inner cavity of the main body. The side far away from the top plate is fixedly connected with a second slider, and the adjacent sides of the two vertical plates are provided with a second slide groove, and the two second sliders are respectively movably connected to the adjacent first Two chute inner chambers, the bottoms of the two top plates are provided with cams, and the cams are provided with rotating rods near the top, and the ends of the two rotating rods are far away from each other to rotate with the adjacent vertical boards connected, and the adjacent ends of the two rotating rods are fixedly connected with driven bevel gears, and the bottoms of the two driven bevel gears are meshed with transmission bevel gears, and the top of the rotating shaft is connected with the transmission cone The bottom center of the gear is fixedly connected.

Further, the outer sidewall of the filter screen groove and the inner sidewall of the hollow cylinder are attached to each other, and the outer sidewall of the hollow cylinder is attached to the inner sidewall of the circular hole.

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

1. Through the mutual cooperation between the transmission motor, the rotating shaft, the transmission bevel gear, the driven bevel gear, the rotating rod, the cam, the top plate, the second slider, the second chute and the fourth spring, when the transmission motor is working, Drive the two cams to rotate, and push the two top plates to move up and down, so that the adjacent steel balls are driven to vibrate up and down by the two fourth springs, and then the steel balls knock and vibrate the filter mesh groove to avoid the inner cavity of the filter mesh groove being damaged. Impurities block the mesh and cause drainage blockage. In addition, the hollow cylinder can be disassembled from the main body through the cooperation between the limit ring, the pressure plate, the moving block, the first slider, the first chute and the second spring. Through the mutual cooperation between the telescopic rod, the square, the first limit plate, the cross bar, the first spring, the connecting plate and the pull ring, the filter screen groove can be removed from the inner cavity of the hollow cylinder, so that the filter screen groove can be cleaned. And easy to operate;

2. Through the setting of the PLC controller, it can be operated by wireless remote control at close range, and the opening and closing of the water pump, transmission motor and electromagnetic control valve can be controlled. It is suitable for unattended and realizes automatic, timing and proportional sampling , so that the inner cavity of the main body can be automatically drained and flushed, and the use is more convenient. In addition, the service life of the device can be effectively improved through the setting of the lithium battery, which is conducive to the popularization and use of the device.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is the structural representation of present embodiment;

Fig. 2 is the top view of the component hollow cylinder of the present embodiment;

Fig. 3 is the enlarged view of place A in Fig. 1;

Fig. 4 is the enlarged view of place B in Fig. 1;

Fig. 5 is an enlarged view of point C in Fig. 1 .

In the figure: 1. Main body; 2. Support legs; 3. Hollow cylinder; 4. Filter mesh tank; 5. Cover plate; 6. Water pump; 7. Water inlet pipe; 8. Water outlet pipe; 9. Bellows pipe; 10. PLC Controller; 11. Transmission motor; 12. Rotating shaft; 13. Fixed rod; 14. First cleaning brush; 15. Second cleaning brush; 16. Drainage pipe; 17. Electromagnetic control valve; 18. Lithium battery; 19. Telescopic Rod; 20, box; 21, the first limiting plate; 22, crossbar; 23, pull ring; 24, the first spring; 25, connecting pipe; 26, moving ring; 27, positioning rod; 28, fixed block; 29, the second limiting plate; 30, the third spring; 31, the limiting ring; 32, the pressure plate; 33, the moving block; 34, the second spring; 35, the transmission bevel gear; 36, the driven bevel gear; 37, cam; 38, rotating rod; 39, top plate; 40, the fourth spring; 41, steel ball.

Detailed ways

Below, the utility model will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, on the premise of not conflicting, the various embodiments or technical features described below can be combined arbitrarily to form new implementations. example.

It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Figure 1 to Figure 5, a sampling device with impurity removal function for water quality testing, including a main body 1, a sampling nozzle is opened on the top of the main body 1 near the right side, and a PLC is installed on the top of the main body 1 near the right side A controller 10, and a water pump 6 is installed on the top left side of the main body 1, the water inlet pipe 7 is fixedly connected to the left side of the water pump 6, and the water outlet pipe 8 is fixedly connected to the right side of the water pump 6, and the right end of the water outlet pipe 8 is fixedly connected to There is a bellows 9, the right end of the bellows 9 is fixedly connected with a connecting pipe 25, a round hole is opened in the middle of the top of the main body 1, and a hollow tube 3 is installed through the inner cavity of the round hole, and the top of the hollow tube 3 is fixedly connected with a cover. plate 5, and the inner cavity of the hollow cylinder 3 is inserted with a filter mesh groove 4, the outer wall of the filter mesh groove 4 is attached to the inner wall of the hollow cylinder 3, and the outer wall of the hollow cylinder 3 is attached to the inner wall of the round hole. Together, a connection mechanism is provided between the filter mesh tank 4 and the hollow cylinder 3, and a clamping mechanism is provided between the hollow cylinder 3 and the main body 1. The left side of the hollow cylinder 3 near the top is provided with a perforation that matches the connecting pipe 25. , the right end of the connecting pipe 25 runs through the perforation, and extends to the inner cavity of the hollow tube 3, the outer side of the connecting pipe 25 is provided with a sealing ring, and the right side of the sealing ring is attached to the left side wall of the hollow tube 3, and the connecting pipe 25 is provided with a limiting mechanism, and the bottom of the filter mesh tank 4 is provided with a shaking mechanism, the bottom of the main body 1 is fixedly connected with supporting legs 2 on both sides, front and rear, and left and right sides, and the bottom of the main body 1 is fixedly connected with a U-shaped bracket near the right side. And the top of the U-shaped support near the left side is equipped with a transmission motor 11, the top of the U-shaped support near the right side is fixedly connected with a lithium battery 18, the power output end of the transmission motor 11 is fixedly connected with a rotating shaft 12, and the bottom of the main body 1 is fixed A sealed bearing is connected, and the top of the rotating shaft 12 runs through the sealed bearing and extends to the inner cavity of the main body 1. The left and right sides of the rotating shaft 12 are fixedly connected with a fixed rod 13 near the top, and the other end of the fixed rod 13 is fixedly connected with a second A cleaning brush 14, the left and right sides of the rotating shaft 12 are fixedly connected with the second cleaning brush 15 near the bottom end, and the bottom of the second cleaning brush 15 is attached to the bottom of the inner cavity of the main body 1 to clean the inner cavity of the main body 1 Cleaner, the bottom of the main body 1 is plugged with a drain pipe 16 near the left side, and the drain pipe 16 is provided with an electromagnetic control valve 17;

The connecting mechanism includes two telescopic rods 19, and the two telescopic rods 19 are respectively fixedly connected to the left and right sides of the top of the filter screen groove 4, and the bottom of the cover plate 5 is provided with a square groove near the left and right sides, and the square groove The top of the groove cavity is fitted with a block 20, and the tops of the two telescopic rods 19 are fixedly connected with the adjacent block 20 respectively. The cover plate 5 is provided with a first cavity near the left and right sides, and the first cavity The inner cavity is fitted with a first limiting plate 21, and the two first limiting plates 21 are provided with a cross bar 22, and the left and right sides of the two first cavities are provided with first through holes, and the two first through holes are provided. A first blind hole is provided on the far side of the block 20, and the adjacent ends of the two crossbars 22 pass through the adjacent first through holes respectively, and are respectively plugged into the inner cavity of the adjacent first blind hole. The far away ends of the rods 22 run through the adjacent first through-hole inner cavity respectively, and are fixedly connected with connecting plates, and the two connecting plates are connected with pull rings 23 in rotation on the sides far away from each other, and the outer sides of the two cross bars 22 The first spring 24 is evenly sleeved, and the two ends of the first spring 24 are respectively fixedly connected with the inner side wall of the first cavity and the first limit plate 21, which is convenient for disassembling and assembling the filter mesh groove 4, and the operation is convenient;

The clamping mechanism includes a limit ring 31, which is sleeved on the outside of the hollow tube 3, and the limit ring 31 and the hollow tube 3 are welded, and the bottom of the limit ring 31 is attached to the top of the main body 1, and The right side of the top of the limit ring 31 is fitted with a pressure plate 32, the right side of the pressure plate 32 is fixedly connected with a moving block 33, and the bottom of the moving block 33 is fixedly connected with a first slider, and the top of the main body 1 is close to the right side. A first chute is provided, and the first slider is movably connected to the inner chamber of the first chute, the right side of the first slider is fixedly connected with a second spring 34, and the right end of the second spring 34 is connected to the inner cavity of the first chute. The right side wall of the cavity is fixedly connected, which is convenient for clamping and fixing the hollow cylinder 3 on the main body 1;

The limit mechanism includes a moving ring 26, and the moving ring 26 is sleeved on the outside of the connecting pipe 25. The moving ring 26 and the connecting pipe 25 are fixedly connected. The bottom of the moving ring 26 is provided with a second blind hole, and the second blind hole The inner cavity is inserted with a positioning rod 27, and the bottom of the moving ring 26 is provided with a fixed block 28, and the bottom of the fixed block 28 is fixedly connected with the top of the main body 1, and the fixed block 28 is provided with a second cavity, and the second cavity The inner cavity is fitted with a second limiting plate 29 near the top, and the top of the second cavity offers a second through hole, and the bottom end of the positioning rod 27 runs through the second through hole inner cavity, and is connected with the second limiting plate 29. Fixedly connected, the bottom of the second limiting plate 29 is fixedly connected with a third spring 30, and the bottom end of the third spring 30 is fixedly connected with the bottom of the second cavity inner cavity, and the left side of the second limiting plate 29 is fixedly connected with Toggle lever, the left side of the second cavity is provided with a slot matching with the toggle lever, and the left end of the toggle lever runs through the slot and extends to the outside of the second cavity, so that the connecting pipe 25 is fixed on the The perforated inner cavity makes the water delivery more stable;

The shaking mechanism includes two steel balls 41, and the two steel balls 41 are respectively located at the bottom of the filter screen groove 4 near the left and right sides, the bottoms of the two steel balls 41 are fixedly connected with the fourth spring 40, and the fourth spring 40 The bottom end of the top plate 39 is fixedly connected with a top plate 39, and the sides where the two top plates 39 are far away from each other are fitted with a vertical plate, and the top of the vertical plate is fixedly connected with the top of the inner cavity of the main body 1, and the side where the two top plates 39 are far away from each other Both of them are fixedly connected with a second sliding block, and the adjacent sides of the two vertical plates are provided with a second chute, and the two second sliding blocks are respectively movably connected in the inner cavity of the adjacent second chute, and the two top plates 39 Bottoms are equipped with cams 37, and on the cams 37, near the top, there are rotating rods 38. The ends of the two rotating rods 38 are connected to the adjacent vertical plates in rotation, and the adjacent ends of the two rotating rods 38 are connected to each other. The driven bevel gear 36 is fixedly connected, and the bottoms of the two driven bevel gears 36 are meshed with a transmission bevel gear 35, and the top of the rotating shaft 12 is fixedly connected with the center of the bottom of the transmission bevel gear 35 to avoid filter screen grooves. 4 The inner cavity is blocked to improve the filtration efficiency.

Working principle: when the utility model is in use, the PLC controller 10 can be controlled by wireless remote control at a short distance, and the water pump 6 can be controlled by the PLC controller 10 to work. The water pipe 8, the bellows 9 and the connecting pipe 25 are transported into the hollow cylinder 3, so that the detected water body is filtered by the filter mesh groove 4 in the process of falling, and then enters the inner cavity of the main body 1, and can be adjusted by the setting of the sampling nozzle. The water quality in the inner cavity of the main body 1 is sampled and tested, and then clean water is pumped in from the water inlet pipe 7. At the same time, the transmission motor 11 is started to work through the PLC controller 10, and the transmission motor 11 drives the rotating shaft 12 to rotate. The rotation of the rotating shaft 12 drives two The fixed rod 13 rotates, and the fixed rod 13 rotates to drive the first cleaning brush 14 to rotate. The first cleaning brush 14 rotates to clean the inner side wall of the main body 1. At the same time, the rotation of the rotating shaft 12 drives two second cleaning brushes 15 to rotate. The second cleaning brush 15 The rotation can clean the bottom of the inner cavity of the main body 1. After cleaning, the electromagnetic control valve 17 is activated by the PLC controller 10, so that the sewage in the inner cavity of the main body 1 is discharged through the drain pipe 16. The overall process is highly automated and reduces the workload. The labor intensity of manual operation by personnel, and through the setting of the lithium battery 18, the service life of the existing battery can be improved, thereby helping to improve the service life of the device. When the rotating shaft 12 rotates, it drives the transmission bevel gear 35 to rotate, and the transmission bevel gear The rotation of 35 drives two driven bevel gears 36 to rotate, the rotation of driven bevel gear 36 drives the rotation of the rotating rod 38, the rotation of the rotating rod 38 drives the rotation of the cam 37, the rotation of the cam 37 pushes the top plate 39 to move upward, and the fourth spring 40 Drive the steel ball 41 to knock and vibrate the filter mesh groove 4 to prevent the impurities in the inner cavity of the filter mesh groove 4 from clogging the mesh and affect the filtration efficiency. When cleaning the impurities in the inner cavity of the filter mesh groove 4, first press the lever to drive the The second limiting plate 29 moves downward, and the second limiting plate 29 moves downward to drive the positioning rod 27 to disengage from the inner cavity of the second blind hole, and pulls the moving ring 26 to move to the left, thereby pulling the connecting pipe 25 out of the perforated inner cavity , and then push the moving block 33 to move to the right, so that the pressure plate 32 is separated from the top of the stop ring 31, so that the cover plate 5 can be pulled to drive the hollow cylinder 3 and the filter mesh groove 4 to be pulled away from the inner cavity of the main body 1, and then the two pull The ring 23 drives the two crossbars 22 away from each other, so that the two crossbars 22 are separated from the adjacent first blind hole inner cavity respectively, so that the two squares 20 can be extracted from the adjacent square groove inner cavity, and then can be The filter mesh groove 4 is disassembled from the inner cavity of the hollow cylinder 3, which is convenient for centralized cleaning of impurities in the inner cavity, and at the same time, the filter mesh groove 4 is cleaned, and the operation is convenient.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. The scope of protection required by the utility model.

Claims (7)

1. A sampling device with impurity removal function for water quality detection, comprising a main body, characterized in that: the top of the main body is provided with a sampling nozzle near the right side, and the top of the main body is equipped with a PLC control near the right side device, and a water pump is installed on the left side of the top of the main body, the left side of the water pump is fixedly connected with a water inlet pipe, and the right side of the water pump is fixedly connected with a water outlet pipe, and the right end of the water outlet pipe is fixedly connected with a A corrugated pipe, the right end of the corrugated pipe is fixedly connected with a connecting pipe, a circular hole is opened in the middle of the top of the main body, and a hollow cylinder is penetrated through the inner cavity of the circular hole, and the top of the hollow cylinder is fixedly connected with a Cover plate, and the inner cavity of the hollow cylinder is inserted with a filter mesh groove, a connecting mechanism is provided between the filter mesh groove and the hollow cylinder, a clamping mechanism is provided between the hollow cylinder and the main body, and the hollow cylinder On the left side of the cylinder near the top, there is a perforation that matches the communication pipe. The right end of the communication pipe penetrates the perforation and extends to the inner cavity of the hollow cylinder. The outer side of the communication pipe is covered with a sealing ring, and the The right side of the sealing ring is attached to the left side wall of the hollow cylinder. The connecting pipe is provided with a limit mechanism, the bottom of the filter mesh tank is provided with a shaking mechanism, and the bottom of the main body is fixed on the front, rear and left and right sides. Connected with supporting legs, the bottom of the main body is fixedly connected with a U-shaped bracket near the right side, and the top of the U-shaped bracket is installed with a transmission motor near the left side, and the top of the U-shaped bracket is fixed near the right side A lithium battery is connected, the power output end of the transmission motor is fixedly connected with a rotating shaft, the bottom of the main body is fixedly connected with a sealed bearing, the top of the rotating shaft passes through the sealed bearing, and extends to the inner cavity of the main body, the rotating shaft The left and right sides near the top are fixedly connected with fixed rods, and the other end of the fixed rod is fixedly connected with the first cleaning brush, and the bottom of the main body is inserted with a drain pipe near the left side, and on the drain pipe Equipped with electromagnetic control valve. 2. A sampling device with impurity removal function for water quality detection as claimed in claim 1, characterized in that: the left and right sides of the rotating shaft near the bottom end are fixedly connected with second cleaning brushes, and the first Second, the bottom of the cleaning brush is attached to the bottom of the inner cavity of the main body. 3. A sampling device with impurity removal function for water quality detection as claimed in claim 1, characterized in that: the connecting mechanism comprises two telescopic rods, and the two telescopic rods are respectively fixedly connected to the filter screen groove At the left and right sides of the top of the cover plate, there are square grooves at the bottom of the cover plate close to the left and right sides, and the top of the inner cavity of the square groove is fitted with a square, and the top ends of the two telescopic rods are respectively connected to the Adjacent squares are fixedly connected, first cavities are opened on the cover plate close to the left and right sides, and the inner cavity of the first cavity is fitted with a first limiting plate, and the two first cavities Cross bars are run through the limit plates, first through holes are opened on the left and right sides of the two first cavities, and first blind holes are opened on the sides of the two blocks away from each other. Adjacent ends of the two cross bars respectively pass through adjacent first through holes, and are respectively inserted into adjacent first blind hole inner cavities, and two ends of the two cross bars that are far away from each other pass through adjacent first through holes. The inner cavity of the hole is fixedly connected with a connecting plate, the sides of the two connecting plates away from each other are connected with pull rings in rotation, and the outer sides of the two cross bars are provided with first springs, and the second Two ends of a spring are respectively fixedly connected with the inner wall of the first cavity and the first limiting plate. 4. A sampling device with impurity removal function for water quality testing according to claim 1, characterized in that: the clamping mechanism includes a limit ring, and the limit ring is sleeved on the outside of the hollow cylinder, and The limit ring and the hollow cylinder are welded, the bottom of the limit ring is attached to the top of the main body, and a pressure plate is attached to the right side of the top of the limit ring, and the right side of the pressure plate is fixed A moving block is connected, and the bottom of the moving block is fixedly connected with a first slider, and the top of the main body is provided with a first chute near the right side, and the first slider is movably connected to the first chute In the inner chamber, a second spring is fixedly connected to the right side of the first slider, and the right end of the second spring is fixedly connected to the right side wall of the inner chamber of the first chute. 5. A sampling device with impurity removal function for water quality detection as claimed in claim 1, characterized in that: said limit mechanism comprises a moving ring, and said moving ring is sleeved on the outside of the connecting pipe, said The moving ring and the connecting pipe are fixedly connected, the bottom of the moving ring is provided with a second blind hole, and the inner cavity of the second blind hole is inserted with a positioning rod, the bottom of the moving ring is provided with a fixed block, and The bottom of the fixed block is fixedly connected with the top of the main body, a second cavity is opened on the fixed block, and a second limiting plate is attached to the inner cavity of the second cavity near the top, and the first The top of the second cavity is provided with a second through hole, the bottom end of the positioning rod passes through the inner cavity of the second through hole, and is fixedly connected with the second limiting plate, and the bottom of the second limiting plate is fixedly connected with a third spring, and the bottom end of the third spring is fixedly connected to the bottom of the second cavity, the left side of the second limiting plate is fixedly connected with a toggle lever, and the left side of the second cavity is provided with A slot matched with the toggle rod, and the left end of the toggle rod passes through the slot and extends to the outside of the second cavity. 6. A kind of sampling device with impurity removal function for water quality testing as claimed in claim 1, characterized in that: the shaking mechanism comprises two steel balls, and the two steel balls are respectively located at the bottom of the filter screen groove Near the left and right sides, the bottoms of the two steel balls are fixedly connected with a fourth spring, and the bottom ends of the fourth springs are fixedly connected with a top plate, and the sides of the two top plates that are far away from each other are fitted together. There are vertical boards, and the top of the vertical boards is fixedly connected to the top of the inner cavity of the main body, and the sides of the two top boards away from each other are fixedly connected with second sliders, and the adjacent sides of the two vertical boards are A second chute is provided, and the two second sliders are movably connected to the inner cavity of the adjacent second chute respectively. The bottoms of the two top plates are provided with cams, and the cams penetrate through the top near the top. Rotating rods are provided, and the ends of the two rotating rods that are far away from each other are respectively connected in rotation with the adjacent vertical plates, and the adjacent ends of the two rotating rods are fixedly connected with driven bevel gears, and the two driven The bottom of the movable bevel gear is meshed with the transmission bevel gear, and the top of the rotating shaft is fixedly connected with the center of the bottom of the transmission bevel gear. 7. A kind of sampling device with impurity removal function for water quality detection as claimed in claim 1, characterized in that: the outer side wall of the filter screen groove and the inner side wall of the hollow tube are attached to each other, and the outer side of the hollow tube The wall and the inner side wall of the circular hole are attached to each other.

Images