Sampling device for river sewage detection

Abstract

The utility model relates to the technical field of river sewage sampling, and discloses a sampling device for river sewage detection, which comprises a storage box, two groups of front covers which are bilaterally symmetrical are hinged to the front surface of the storage box, the front surfaces of the two groups of front covers are fixedly connected with a handle I, and the left side of the lower surface of the inner wall of the storage box is fixedly connected with a fixed plate; a collecting cup placed in the storage box is arranged on the left side of the fixing plate. In order to improve and enhance the river water environment quality, the water environment quality condition needs to be accurately mastered, in the water environment quality analysis, river water needs to be sampled so as to analyze pollution components in the river water and make corresponding countermeasures, most of the existing sampling devices for river sewage detection can only sample sewage on the river surface, and the sampling devices are inconvenient to use. The sampling device for river sewage detection, provided by the invention, can solve the problems in the prior art that the sampling device is simple in structure and cannot be used for sampling sewage in a deep water area, and impurities in water are easily mixed into the sampling device during water taking.

Description

Technical Field

[0001] The utility model relates to the technical field of river sewage sampling, and more specifically, to a sampling device for river sewage detection. Background Art

[0002] Water is the source of all life and an indispensable substance in human life and production activities. In order to ensure the safety of river water, the river needs to be managed. In the process of river management, it is necessary to sample the river water in order to analyze the pollutants in the river water so as to make corresponding countermeasures. In the process of sampling river water, contact with the river water is avoided to ensure the safety of sampling. At this time, a sewage sampling device for river management is needed for contactless river water sampling.

[0003] In order to improve and enhance the quality of river water environment, it is necessary to accurately grasp the water environment quality status. In the analysis of water environment quality, it is necessary to sample river water in order to analyze the pollutants in the river water so as to make corresponding countermeasures. Most of the existing river sewage detection sampling devices can only sample sewage on the surface of the river, but not in the deep water area. It is also easy to mix impurities in the water when taking water. We propose a river sewage detection sampling device that can solve the above problems. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a sampling device for river sewage detection, which has the advantage of being able to take deep water samples.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sampling device for river sewage detection, comprising a storage box, wherein two groups of front covers are hingedly connected to the front of the storage box with left and right symmetry, the front of the two groups of front covers are fixedly connected to handles 1, the left side of the lower surface of the inner wall of the storage box is fixedly connected to a fixing plate, the left side of the fixing plate is provided with a collecting cup placed inside the storage box, the top of the collecting cup is provided with a collecting cup cover, the upper surface of the collecting cup cover is fixedly connected to handles 2, the right side of the lower surface of the inner wall of the storage box is fixedly connected to three groups of rope bolts arranged equidistantly, a pull rope is wrapped and fixedly provided on the side of the middle rope bolt, and a connecting rope is wrapped and fixedly provided on the side of the rope bolts on the left and right sides, the other end of the connecting rope is fixedly connected to the sampling device, and the pull rope is inserted into the sampling device. One end of the sampling device is fixedly connected to a connecting rod, the bottom end of the connecting rod is fixedly connected to a sealing plate, the upper surface of the sealing plate is fixedly connected to a return spring 1 that is fixedly connected to the sampling device at the other end, the outer side of the sealing plate is movably sleeved with a guide cylinder that is fixedly connected to the sampling device, the connecting rod, the sealing plate and the return spring 1 are all arranged inside the guide cylinder, the lower surface of the sealing plate is fixedly connected with a rack plate, fixedly connected water inlets are provided on both sides of the sampling device, a movably sleeved guide plate is provided inside the water inlet, the outer side of the guide plate is fixedly connected to a return spring 2, the inner wall of the guide plate is fixedly connected to a transmission rope, the other end of the transmission rope is wound and fixedly connected to a rotating shaft rotatably connected to a gear, and the gear and the rack plate are meshed with each other.

[0006] As a preferred technical solution of the utility model, the guide cylinder is fixedly connected to the upper surface of the inner wall of the sampling device, and a movably sleeved sealing plate is provided inside the guide cylinder, and the periphery of the sealing plate is made of rubber material.

[0007] As a preferred technical solution of the utility model, the gear and the rack plate are meshed with each other, the two groups of gears are rotatably connected by a rotating shaft, the two ends of the rotating shaft are fixedly connected to the inner wall of the sampling device, the rotating shaft and the guide plate are connected by a transmission rope, and one end of the transmission rope is wound and fixed on the rotating shaft.

[0008] As a preferred technical solution of the utility model, a second return spring is fixedly connected to the outer side of the guide plate, and a sealing piston is fixedly connected to the other end of the second return spring. The sealing piston is arranged at the top of the water inlet, and the guide plate and the second return spring are both arranged inside the water inlet.

[0009] As a preferred technical solution of the utility model, the gear and the water inlet are on the same horizontal plane, and a filter cover is movably sleeved on the top of the water inlet.

[0010] As a preferred technical solution of the utility model, the sealing piston is arranged at the top end of the water inlet, and the sealing piston is divided into two layers, and the material of the inner layer of the sealing piston is rubber.

[0011] As a preferred technical solution of the utility model, the fixing plate is fixedly connected to the left side of the lower surface of the inner wall of the storage box, and a collection cup placed inside the storage box is provided on the left side of the fixing plate. The width of the left side of the fixing plate is slightly larger than the width of the collection cup.

[0012] As a preferred technical solution of the utility model, a water outlet pipe is arranged on the bottom surface of the sampling device, and a sealing cover is threadedly fixed on the top end of the water outlet pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model provides a sampling device, which is fixed on a rope bolt by winding a connecting rope, so that the sampling device can be lowered into a deep water area for sampling. One end of the pull rope is fixedly connected to a connecting rod, a sealing plate is fixedly connected to the lower surface of the connecting rod, a return spring is fixedly connected to the upper surface of the sealing plate, the connecting rod, the sealing plate and the return spring are all arranged inside a guide cylinder, a rack plate is fixedly connected to the lower surface of the sealing plate, and two sets of gears meshing with each other are arranged on both sides of the rack plate. After the sampling device is lowered into the deep water area, the river sewage is sampled by manipulating the pull rope.

[0015] 2. The utility model sets a sealing piston, and the outer surface of the guide plate is fixedly connected with a return spring 2, and the other end of the return spring 2 is fixedly connected with a sealing piston. The guide plate, the return spring 2 and the sealing piston are all connected with a water inlet. The gear and the water inlet are on the same horizontal plane. The top of the water inlet is movably connected with a filter cover. The sealing piston is divided into two layers, and the bottom surface is made of rubber. The rubber material can greatly increase the sealing performance of the water inlet. The rotation of the gear drives the transmission rope, the guide plate and the return spring 2 to open and close the sealing piston to sample the sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a front view of the structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the right side of the structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the top surface of the structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the bottom surface of the structure of the utility model;

[0021] Figure 6 It is a schematic diagram of the sampling device of the utility model structure.

[0022] In the figure: 1. storage box; 2. front cover; 3. handle 1; 4. fixing plate; 5. collection cup; 6. collection cup cover; 7. handle 2; 8. rope bolt; 9. sampling device; 10. connecting rope; 11. pull rope; 12. connecting rod; 13. sealing plate; 14. reset spring 1; 15. guide cylinder; 16. rack plate; 17. gear; 18. rotating shaft; 19. transmission rope; 20. guide plate; 21. reset spring 2; 22. sealing piston; 23. water inlet; 24. filter cover; 25. water outlet pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 6As shown, the utility model provides a sampling device for river sewage detection, comprising a storage box 1, wherein the front of the storage box 1 is hinged with two groups of left-right symmetrical front covers 2, the front faces of the two groups of front covers 2 are fixedly connected with handles 3, the left side of the lower surface of the inner wall of the storage box 1 is fixedly connected with a fixing plate 4, the left side of the fixing plate 4 is provided with a collecting cup 5 placed inside the storage box 1, the top of the collecting cup 5 is provided with a collecting cup cover 6, the upper surface of the collecting cup cover 6 is fixedly connected with a handle 7, the right side of the lower surface of the inner wall of the storage box 1 is fixedly connected with three groups of rope bolts 8 arranged equidistantly, the side of the middle rope bolt 8 is wrapped and fixed with a pull rope 11, the side of the rope bolt 8 on the left and right sides is wrapped and fixed with a connecting rope 10, the other end of the connecting rope 10 is fixedly connected with a sampling device 9, and the end of the pull rope 11 inserted into the sampling device 9 is fixedly connected with a connecting rod 12, The bottom end of the connecting rod 12 is fixedly connected to a sealing plate 13, the upper surface of the sealing plate 13 is fixedly connected to a return spring 14 whose other end is fixedly connected to the sampling device 9, the outer side of the sealing plate 13 is movably sleeved with a guide cylinder 15 fixedly connected to the sampling device 9, the connecting rod 12, the sealing plate 13, and the return spring 14 are all arranged inside the guide cylinder 15, the lower surface of the sealing plate 13 is fixedly connected to a rack plate 16, fixedly connected water inlets 23 are provided on both sides of the sampling device 9, and a movably sleeved guide plate 20 is provided inside the water inlet 23, the outer side of the guide plate 20 is fixedly connected to a return spring 21, the inner wall of the guide plate 20 is fixedly connected to a transmission rope 19, the other end of the transmission rope 19 is wound and fixedly connected to a rotating shaft 18 rotatably connected to a gear 17, and the gear 17 and the rack plate 16 are meshed with each other.

[0025] The guide tube 15 is fixedly connected to the upper surface of the inner wall of the sampling device 9 , and a movably sleeved sealing plate 13 is provided inside the guide tube 15 , and the periphery of the sealing plate 13 is made of rubber material.

[0026] The sealing plate 13 prevents other sewage from mixing into the sampling device 9 when the sampling device 9 is placed in water, thereby improving the detection accuracy of river sewage.

[0027] The gear 17 and the rack plate 16 are meshed with each other, and the two groups of gears 17 are rotatably connected by a rotating shaft 18. Both ends of the rotating shaft 18 are fixedly connected to the inner wall of the sampling device 9. The rotating shaft 18 and the guide plate 20 are connected by a transmission rope 19, and one end of the transmission rope 19 is wound and fixed on the rotating shaft 18.

[0028] The gear 17 is meshed with the rack plate 16 , and the rack plate 16 moves upward during operation, and the gear 17 rotates in its original position and drives the transmission rope 19 to reduce the force of the transmission rope 19 on the guide plate 20 .

[0029] Among them, a return spring 21 is fixedly connected to the outer side of the guide plate 20, and a sealing piston 22 is fixedly connected to the other end of the return spring 21. The sealing piston 22 is arranged at the top end of the water inlet 23, and the guide plate 20 and the return spring 21 are both arranged inside the water inlet 23.

[0030] Through the mutual connection of the guide plate 20, the second return spring 21, and the sealing piston 22, the guide plate 20 is closed by pulling the second return spring 21, and the guide plate 20 is opened by loosening the second return spring 21.

[0031] The gear 17 and the water inlet 23 are on the same horizontal plane, and a filter cover 24 is movably sleeved on the top of the water inlet 23 .

[0032] The gear 17 pulls the transmission rope 19 to adjust the tightness of the return spring 21. The filter cover 24 can prevent the sewage sample from being mixed with foreign matter in the water.

[0033] The sealing piston 22 is arranged at the top of the water inlet 23, and the sealing piston 22 is divided into two layers, and the inner layer of the sealing piston 22 is made of rubber.

[0034] By setting the sealing piston 22, the bottom surface material is rubber, which can greatly improve the sealing effect, prevent sewage samples from different positions from mixing, and improve the accuracy of water quality detection.

[0035] The fixing plate 4 is fixedly connected to the left side of the lower surface of the inner wall of the storage box 1 , and a collecting cup 5 placed inside the storage box 1 is provided on the left side of the fixing plate 4 . The width of the left side of the fixing plate 4 is slightly larger than the width of the collecting cup 5 .

[0036] The distance between the fixing plate 4 and the inside of the storage box 1 limits the collecting cup 5 to prevent the collecting cup 5 from tilting or shaking.

[0037] The bottom surface of the sampling device 9 is provided with a water outlet pipe 25 , and a sealing cover is threadedly fixedly provided at the top end of the water outlet pipe 25 .

[0038] By setting the outlet pipe 25, after the sampling is completed, the sewage sample can be put into the collection cup 5 in time, which is convenient for the next sampling.

[0039] The working principle and use process of this utility model:

[0040] When the sampling device for river sewage detection is used, when it is necessary to sample river sewage, open the front cover 2 of the storage box 1, take out the sampling device 9 and put the sampling device 9 into the water, the connecting rope 10 and the pull rope 11 need to be put to the same length, put the sampling device 9 into the water through the connecting rope 10 to determine the depth of sewage to be sampled, put the sampling device 9 to the depth of river sewage to be sampled and stop, start to pull the pull rope 11, the pull rope 11 drives the connecting rod 12 to pull the sealing plate 13 to move upward, the sealing plate 13 moves upward and the reset spring 14 is compressed, the sealing plate 13 moves upward and drives the rack plate 16 to move upward, the rack plate 16 moves upward The upper displacement gear 17 meshes with the rack plate 16, and the gear 17 rotates while driving the rotating shaft 18 to rotate. The rotating shaft 18 rotates to lengthen the transmission rope 19, and the reset spring 21 loses the tension brought by the transmission rope 19, driving the guide plate 20 to move in the opposite direction, opening the sealing piston 22, and the sewage sample passes through the filter cover 24 and enters the sampling device 9 from the water inlet 23. After the sampling is completed, the pull rope 11 is released and the sealing piston 22 blocks the water inlet 23 to prevent different sewage from mixing. The connecting rope 10 is pulled to take the sampling device 9 out of the river, and the outlet pipe 25 is opened to put the sewage sample into the collection cup 5. The river sewage can be sampled multiple times.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sampling device for detecting river sewage, comprising a storage box (1), characterized in that: The front of the storage box (1) is hinged with two groups of front covers (2) that are symmetrical on the left and right. The front of the two groups of front covers (2) are fixedly connected with handles (3). The left side of the lower surface of the inner wall of the storage box (1) is fixedly connected with a fixing plate (4). The left side of the fixing plate (4) is provided with a collection cup (5) placed inside the storage box (1). The top of the collection cup (5) is provided with a collection cup cover (6). The upper surface of the collection cup cover (6) is fixedly connected with handles (7). Three groups of rope bolts (8) arranged at equal distances are fixedly connected to the right side of the lower surface of the inner wall of the box (1), a pull rope (11) is wound and fixed to the side of the middle rope bolt (8), and a connecting rope (10) is wound and fixed to the side of the rope bolts (8) on the left and right sides. The other end of the connecting rope (10) is fixedly connected to the sampling device (9), and the end of the pull rope (11) inserted into the sampling device (9) is fixedly connected to the connecting rod (12), and the bottom end of the connecting rod (12) is fixedly connected to a sealing The sealing plate (13) is fixedly connected to the upper surface of the sealing plate (13) with a return spring (14) whose other end is fixedly connected to the sampling device (9); the outer side of the sealing plate (13) is movably sleeved with a guide cylinder (15) fixedly connected to the sampling device (9); the connecting rod (12), the sealing plate (13) and the return spring (14) are all arranged inside the guide cylinder (15); the lower surface of the sealing plate (13) is fixedly connected to a rack plate (16); the sampling device (9) is fixedly connected to the upper surface of the sealing plate (13); The device (9) is provided with fixedly connected water inlets (23) on both sides, and a movably sleeved guide plate (20) is provided inside the water inlet (23). The outer side of the guide plate (20) is fixedly connected with a second return spring (21), and the inner wall of the guide plate (20) is fixedly connected with a transmission rope (19). The other end of the transmission rope (19) is wound and fixedly connected with a rotating shaft (18) rotatably connected to a gear (17), and the gear (17) and the rack plate (16) are meshed with each other.

2. A sampling device for river sewage detection according to claim 1, characterized in that: The guide tube (15) is fixedly connected to the upper surface of the inner wall of the sampling device (9), and a movably sleeved sealing plate (13) is provided inside the guide tube (15), and the periphery of the sealing plate (13) is made of rubber material.

3. A sampling device for river sewage detection according to claim 1, characterized in that: The gear (17) and the rack plate (16) are meshed with each other, and the two groups of gears (17) are rotatably connected by a rotating shaft (18). Both ends of the rotating shaft (18) are fixedly connected to the inner wall of the sampling device (9). The rotating shaft (18) and the guide plate (20) are connected by a transmission rope (19), and one end of the transmission rope (19) is wound and fixed on the rotating shaft (18).

4. A sampling device for river sewage detection according to claim 1, characterized in that: A second return spring (21) is fixedly connected to the outer side of the guide plate (20), and a sealing piston (22) is fixedly connected to the other end of the second return spring (21). The sealing piston (22) is arranged at the top end of the water inlet (23), and the guide plate (20) and the second return spring (21) are both arranged inside the water inlet (23).

5. A sampling device for river sewage detection according to claim 1, characterized in that: The gear (17) and the water inlet (23) are located on the same horizontal plane, and a filter cover (24) is movably sleeved on the top of the water inlet (23).

6. A sampling device for river sewage detection according to claim 4, characterized in that: The sealing piston (22) is arranged at the top end of the water inlet (23), and the sealing piston (22) is divided into two layers, and the inner layer of the sealing piston (22) is made of rubber.

7. A sampling device for river sewage detection according to claim 1, characterized in that: The fixing plate (4) is fixedly connected to the left side of the lower surface of the inner wall of the storage box (1), and a collecting cup (5) placed inside the storage box (1) is arranged on the left side of the fixing plate (4), and the width of the left side of the fixing plate (4) is slightly larger than the width of the collecting cup (5).

8. A sampling device for river sewage detection according to claim 1, characterized in that: The bottom surface of the sampling device (9) is provided with a water outlet pipe (25), and the top end of the water outlet pipe (25) is fixedly provided with a sealing cover in a threaded manner.

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