Sewage sampling device

Abstract

The utility model discloses a sewage sampling device, which relates to the technical field of sewage sampling, and comprises a shell and sampling tubes, a rotating disk is rotatably arranged in the lower end of the shell, a plurality of sampling tubes are distributed in the shell in an annular array, and the lower ends of the plurality of sampling tubes are fixedly sleeved in the rotating disk; a driving disc is arranged in the middle of the shell, the driving disc is fixedly connected with the plurality of sampling tubes in a sleeving manner, a driving rod is rotationally arranged in the middle of the upper end of the shell in a sleeving manner, and the lower end of the driving rod is fixedly connected with the middle of the driving disc; a U-shaped plate is fixedly arranged at the top of the shell, an opening is formed in one side of the upper surface of the shell and located below the U-shaped plate, a fixing shell is fixedly arranged on the upper side of the opening, and a piston is slidably arranged in the fixing shell. According to the sampling device, a plurality of samples can be stored, so that continuous sampling is facilitated, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage sampling, in particular to a sewage sampling device. Background Art

[0002] Before conducting water quality testing on sewage, it is necessary to extract sewage samples through sampling equipment to facilitate subsequent sewage treatment.

[0003] Among them, the announcement number CN215065465U discloses a novel sewage sampling device, including a sampling device body, a counterweight block is arranged at the bottom of the sampling device body, a handle is arranged at the top of the sampling device body, a water outlet is arranged at one side of the bottom of the sampling device body, and a cleaning component is arranged inside the sampling device body, and the cleaning component includes a mounting snap ring, a rubber protrusion, an annular groove, a scraper, a groove and a ball, and a dredging component is arranged at one end inside the water outlet, and the dredging component includes a stirring shaft, a through hole, a stirring blade, a fixing plate, a fixing groove, a limit block and a limit groove. There are still defects in this technical solution:

[0004] This technical solution has only a single storage space, so only one sample can be extracted at a time. When multiple samples need to be collected from water layers at different depths, the water must be dumped before secondary sampling can be performed, which brings inconvenience to continuous sampling. Utility Model Content

[0005] In view of the problems existing in the above-mentioned existing novel sewage sampling device, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a sewage sampling device, which solves the problem that the new sewage sampling device in the prior art has only a single storage space, so that only one sample can be extracted at a time. When multiple samples need to be collected from water layers at different depths, the water must be poured out first before secondary sampling can be performed, which brings inconvenience to continuous sampling.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A sewage sampling device comprises a housing and a sampling tube, wherein a rotating disk is rotatably arranged inside the lower end of the housing, a plurality of the sampling tubes are arranged inside the housing in a circular array, and the lower ends of the plurality of the sampling tubes are fixedly sleeved inside the rotating disk;

[0009] A transmission disc is provided in the middle of the shell, and the transmission disc is fixedly sleeved with the plurality of sampling tubes. A transmission rod is rotatably sleeved in the middle of the upper end of the shell, and the lower end of the transmission rod is fixedly connected with the middle of the transmission disc;

[0010] A U-shaped plate is fixedly provided on the top of the shell, an opening is provided on one side of the upper surface of the shell and below the U-shaped plate, a fixed shell is fixedly provided on the upper side of the opening, a piston is slidably provided inside the fixed shell, a movable tube is fixedly sleeved in the middle of the piston, both ends of the movable tube extend to the outside of the fixed shell, the lower end of the movable tube is plugged with the corresponding sampling tube, the upper end of the movable tube is fixedly sleeved with a movable plate, one end of the movable plate is threadedly sleeved with a reciprocating screw, and the lower end of the reciprocating screw is rotatably connected to the upper surface of the shell;

[0011] The upper surface of the shell is provided with a transmission mechanism which drives the reciprocating screw rod and the transmission rod to rotate in sequence.

[0012] Preferably, the transmission mechanism includes a motor and an incomplete gear, the motor is arranged between the transmission rod and the reciprocating screw rod, one side of the motor is fixedly connected to the shell, the incomplete gear is fixedly sleeved on the output end of the motor, the outer wall of the reciprocating screw rod is fixedly sleeved with a first gear, the outer wall of the transmission rod is fixedly sleeved with a second gear, and the incomplete gear matches both the first gear and the second gear.

[0013] Preferably, a discharge pipe with a valve is provided at the lower end of each of the plurality of sampling tubes to facilitate the control of the discharge.

[0014] Preferably, the rotating disk is rotatably connected to the housing via a sealed bearing, thereby improving the sealing performance between the rotating disk and the housing.

[0015] Preferably, the shell is a transparent shell, which facilitates observation of the sampling status of the sampling tube inside the shell.

[0016] Preferably, a lifting hole is provided in the middle of the U-shaped plate to facilitate lifting the device.

[0017] Preferably, a damping sleeve is tightly sleeved on the lower end of the transmission rod, and the upper end of the damping sleeve is fixedly connected to the inner wall of the shell, so as to facilitate the suspension of the transmission rod.

[0018] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0019] 1. The utility model can complete a single sampling of sewage by placing the shell in sewage and allowing the sewage to enter the corresponding sampling tube from the upper end of the movable tube.

[0020] 2. The utility model drives the incomplete gear to rotate through the motor, and the incomplete gear drives the first gear to rotate, so that the reciprocating screw rod rotates, which can drive the movable plate to move upward, and then the lower end of the movable tube is moved out of the sampling tube, and the upper end of the movable tube is against the U-shaped plate, so that the sampling work can be stopped.

[0021] 3. In the utility model, after the incomplete gear is separated from the first gear, it meshes with the second gear, driving the second gear to rotate, that is, the transmission rod is rotated, and the next sampling tube can be rotated to the bottom of the movable tube. Then the incomplete gear is separated from the second gear and meshed with the first gear again. At this time, the reciprocating screw rotates, causing the movable tube to move down and reset, and sampling can be carried out again. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0023] Figure 1 This is a structural schematic diagram of a sewage sampling device proposed by the utility model;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure of the middle part A is enlarged;

[0025] Figure 3 for Figure 1 Schematic diagram of the top view of the middle transmission plate.

[0026] Description of reference numerals:

[0027] 1. Shell; 2. Rotating disk; 3. Sampling tube; 4. Discharging tube; 5. Transmission disk; 6. Transmission rod; 7. U-shaped plate; 8. Damping sleeve; 9. Fixed shell; 10. Piston; 11. Movable tube; 12. Movable plate; 13. Reciprocating screw; 14. First gear; 15. Second gear; 16. Motor; 17. Incomplete gear. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] The utility model embodiment discloses a sewage sampling device.

[0030] Reference Figure 1-3A sewage sampling device comprises a shell 1 and a sampling tube 3. A rotating disk 2 is rotatably arranged inside the lower end of the shell 1. The rotating disk 2 is rotatably connected to the shell 1 through a sealing bearing to improve the sealing performance between the rotating disk 2 and the shell 1. A plurality of sampling tubes 3 are arranged inside the shell 1 in an annular array. The lower ends of the plurality of sampling tubes 3 are fixedly sleeved inside the rotating disk 2. The lower ends of the plurality of sampling tubes 3 are provided with a discharge pipe 4 with a valve to facilitate the control of the discharge. The shell 1 is a transparent shell to facilitate the observation of the sampling state of the sampling tube 3 inside the shell 1.

[0031] A transmission disc 5 is provided in the middle of the housing 1, and the transmission disc 5 is fixedly sleeved with a plurality of sampling tubes 3. A transmission rod 6 is rotatably sleeved in the middle of the upper end of the housing 1, and the lower end of the transmission rod 6 is fixedly connected to the middle of the transmission disc 5. A damping sleeve 8 is tightly sleeved on the lower end of the transmission rod 6, and the upper end of the damping sleeve 8 is fixedly connected to the inner wall of the housing 1, so as to facilitate the suspension of the transmission rod 6.

[0032] Reference Figure 1-3 A U-shaped plate 7 is fixedly provided on the top of the shell 1, and a lifting hole is provided in the middle of the U-shaped plate 7 to facilitate lifting the device. An opening is provided on one side of the upper surface of the shell 1 and below the U-shaped plate 7. A fixed shell 9 is fixedly provided on the upper side of the opening. A piston 10 is slidably provided inside the fixed shell 9. A movable tube 11 is fixedly sleeved in the middle of the piston 10. Both ends of the movable tube 11 extend to the outside of the fixed shell 9. The lower end of the movable tube 11 is plugged into the corresponding sampling tube 3. The upper end of the movable tube 11 is fixedly sleeved with a movable plate 12. A reciprocating screw 13 is threadedly sleeved on one end of the movable plate 12. The lower end of the reciprocating screw 13 is rotatably connected to the upper surface of the shell 1.

[0033] Reference Figure 1-3 A transmission mechanism is provided on the upper surface of the housing 1 for driving the reciprocating screw rod 13 and the transmission rod 6 to rotate in turn. The transmission mechanism includes a motor 16 and an incomplete gear 17. The motor 16 is arranged between the transmission rod 6 and the reciprocating screw rod 13. One side of the motor 16 is fixedly connected to the housing 1. The incomplete gear 17 is fixedly sleeved on the output end of the motor 16. The outer wall of the reciprocating screw rod 13 is fixedly sleeved with a first gear 14. The outer wall of the transmission rod 6 is fixedly sleeved with a second gear 15. The incomplete gear 17 matches the first gear 14 and the second gear 15.

[0034] In the utility model, when in use, the shell 1 is placed in sewage, and the sewage enters the corresponding sampling tube 3 from the upper end of the movable tube 11, that is, a single sampling of the sewage can be completed, and then the motor 16 drives the incomplete gear 17 to rotate, and the incomplete gear 17 drives the first gear 14 to rotate, so that the reciprocating screw rod 13 rotates, that is, it can drive the movable plate 12 to move upward, and then the lower end of the movable tube 11 is moved out of the sampling tube 3, and the upper end of the movable tube 11 is against the U-shaped plate 7, that is, the sampling work can be stopped, after the incomplete gear 17 is separated from the first gear 14, it is meshed with the second gear 15, driving the second gear 15 to rotate, that is, the transmission rod 6 is rotated, that is, the next sampling tube 3 can be rotated to the bottom of the movable tube 11, and then the incomplete gear 17 is separated from the second gear 15, and meshed with the first gear 14 again. At this time, the reciprocating screw rod 14 rotates, so that the movable tube 11 moves down and resets, and the sampling work can be performed again.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sewage sampling device, comprising a housing (1) and a sampling tube (3), characterized in that: A rotating disk (2) is rotatably arranged inside the lower end of the shell (1), and a plurality of sampling tubes (3) are arranged inside the shell (1) in a circular array, and the lower ends of the plurality of sampling tubes (3) are fixedly sleeved inside the rotating disk (2); A transmission disc (5) is provided in the middle of the housing (1), and the transmission disc (5) is fixedly sleeved with the plurality of sampling tubes (3). A transmission rod (6) is rotatably sleeved in the middle of the upper end of the housing (1), and the lower end of the transmission rod (6) is fixedly connected to the middle of the transmission disc (5); A U-shaped plate (7) is fixedly arranged on the top of the shell (1); an opening is provided on one side of the upper surface of the shell (1) and below the U-shaped plate (7); a fixed shell (9) is fixedly arranged on the upper side of the opening; a piston (10) is slidably arranged inside the fixed shell (9); a movable tube (11) is fixedly sleeved in the middle of the piston (10); both ends of the movable tube (11) extend to the outside of the fixed shell (9); the lower end of the movable tube (11) is plugged into the corresponding sampling tube (3); the upper end of the movable tube (11) is fixedly sleeved with a movable plate (12); one end of the movable plate (12) is threadedly sleeved with a reciprocating screw (13); the lower end of the reciprocating screw (13) is rotatably connected to the upper surface of the shell (1); The upper surface of the housing (1) is provided with a transmission mechanism which drives the reciprocating screw rod (13) and the transmission rod (6) to rotate in sequence.

2. The sewage sampling device according to claim 1, characterized in that: The transmission mechanism comprises a motor (16) and an incomplete gear (17); the motor (16) is arranged between a transmission rod (6) and a reciprocating screw rod (13); one side of the motor (16) is fixedly connected to a housing (1); the incomplete gear (17) is fixedly sleeved on an output end of the motor (16); a first gear (14) is fixedly sleeved on an outer wall of the reciprocating screw rod (13); a second gear (15) is fixedly sleeved on an outer wall of the transmission rod (6); and the incomplete gear (17) matches both the first gear (14) and the second gear (15).

3. The sewage sampling device according to claim 1, characterized in that: A discharge pipe (4) with a valve is provided at the lower end of each of the plurality of sampling tubes (3).

4. The sewage sampling device according to claim 1, characterized in that: The rotating disk (2) is rotatably connected to the housing (1) via a sealed bearing.

5. The sewage sampling device according to claim 1, characterized in that: The shell (1) is a transparent shell.

6. The sewage sampling device according to claim 1, characterized in that: A hanging hole is provided in the middle of the U-shaped plate (7).

7. The sewage sampling device according to claim 1, characterized in that: The lower end of the transmission rod (6) is tightly sleeved with a damping sleeve (8), and the upper end of the damping sleeve (8) is fixedly connected to the inner wall of the housing (1).

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