Sewage sampler

Abstract

The utility model discloses a sewage sampler which comprises a sampling test tube and further comprises a liquid extraction sampling gun, a fixing cover, a water filtering cover, a piston and a hanging bracket, one end inside the liquid extraction sampling gun is fixedly connected with an annular frame and a baffle, the outer surface of the baffle is provided with a first air hole, and one end of the outer surface of the liquid extraction sampling gun is connected with a liquid outlet hopper in a penetrating mode. The device has the beneficial effects that the hose connected to the liquid extraction sampling gun extends into sewage, and the displacing piston extracts air through the first air hole in the baffle plate, so that negative pressure is generated at one end of the hose connected to the liquid extraction sampling gun, and the generated negative pressure can be sucked through the hose; the water filtering cover embedded in the liquid pumping and sampling gun can physically filter sewage entering the liquid pumping and sampling gun, solid impurities in the sewage can be removed, the filtered sewage flows into the sample test tube through the liquid outlet hopper to be collected under the action of the gravity of the sewage, the structure is reasonable, and a water sample can be conveniently subpackaged and collected.

Description

Technical Field

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

[0002] Sewage is a very common source of polluted water in life. Sometimes it is necessary to test sewage to see whether the water quality causes damage and pollution to the environment, so a sampler is needed to sample the sewage;

[0003] The utility model with publication number CN218235826U discloses a sewage sampler, including a main body mechanism, a reinforcement mechanism, a collecting mechanism and a disassembly mechanism, wherein the reinforcement mechanism is located on the inner side of the main body mechanism, the collecting mechanism is located below the reinforcement mechanism, and the disassembly mechanism is located on the inner side of the upper end of the main body mechanism; the collecting mechanism includes a collecting block, a sealing ring, a weight block, a floating block, a mounting block, and a movable rod.

[0004] After sewage sampling, the water samples need to be packaged into several test tubes, and most of the existing sampling devices use sampling buckets to collect water samples. The collected water samples also need to be packaged into several test tubes. It is impossible to directly use test tubes for packaging when collecting water samples. Therefore, a sewage sampler is urgently needed to solve the above problem. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a sewage sampler, which is realized through the following technical solutions.

[0006] A sewage sampler, comprising a sampling test tube, and further comprising:

[0007] A liquid sampling gun, wherein an annular frame and a baffle are fixedly connected to one end of the liquid sampling gun, a first air hole is provided on the outer surface of the baffle, a liquid outlet hopper is connected through one end of the outer surface of the liquid sampling gun, and the liquid outlet hopper is located between the annular frame and the baffle, and a second air hole is provided on the other end of the outer surface of the liquid sampling gun;

[0008] A fixed cover, the fixed cover is connected to one end of the liquid sampling gun, the top of the fixed cover is connected with a liquid inlet hopper, and the top of the liquid inlet hopper is connected with a hose;

[0009] A water filter cover, which is pressed onto the top of the annular frame through a fixed cover;

[0010] A piston, the bottom of which is fixedly connected with a piston rod;

[0011] The hanger is fixedly connected to the outer surface of the liquid sampling gun just below the liquid outlet bucket, and the sampling test tube is installed inside the hanger.

[0012] Furthermore, a clamping seat is movably connected to the hanger, a spring is fixedly connected to the bottom of the clamping seat, one end of the spring is fixed to the hanger, a spherical groove is provided on the top of the clamping seat, and the bottom of the sampling test tube is supported in the spherical groove.

[0013] Furthermore, the piston moves inside the liquid extraction sampling gun, the piston rod is movably connected to the liquid extraction sampling gun, and tooth plates are fixedly connected to the upper and lower sides of the piston rod.

[0014] Furthermore, it also includes a driving mechanism, which includes a fixed plate and a servo motor. The fixed plate is fixedly connected to the bottom of the liquid sampling gun. One side of the fixed plate is rotatably connected to two rotating rods, one end of the rotating rod is fixedly connected to a first gear, and the top of the rotating rod is concentrically fixedly connected to a second gear. The servo motor is fixedly connected to the other side of the fixed plate, and the right rotating rod is fixedly connected to the output shaft of the servo motor.

[0015] Furthermore, the piston rod moves between the two second gears, and the piston rod is meshedly connected with the second gears via a toothed plate.

[0016] Furthermore, the liquid sampling gun is provided with a controller, and a button of the controller is electrically connected to the servo motor through an electric wire.

[0017] The beneficial effect of the utility model is that when the device is working, the hose connected to the liquid sampling gun extends into the sewage, and the displaced piston draws air through the first air hole on the baffle, so that negative pressure is generated at one end of the hose connected to the liquid sampling gun, and the generated negative pressure can be absorbed through the hose, and the water filter cover embedded in the liquid sampling gun can physically filter the incoming sewage and remove solid debris in the sewage. The filtered sewage flows into the sample test tube through the liquid outlet bucket under the action of its own gravity for collection. The structure is reasonable and convenient for the subpackaging and collection of water samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 : A schematic diagram of the structure of a sewage sampler described in the utility model;

[0020] Figure 2 : Schematic diagram of the connection between the piston rod and the servo motor of the utility model;

[0021] Figure 3 : A schematic diagram of the connection between the clamping seat and the hanger of the utility model;

[0022] Figure 4 : A schematic diagram of the connection between the liquid sampling gun, the fixed cover and the water filter cover of the utility model.

[0023] The reference numerals are as follows:

[0024] 1. Liquid sampling gun; 11. Ring frame; 12. Baffle; 121. First air hole; 13. Second air hole; 14. Liquid outlet bucket;

[0025] 2. Fixed cover; 21. Liquid inlet hopper; 22. Hose;

[0026] 3. Water filter cover;

[0027] 4. Piston; 41. Piston rod; 42. Tooth plate;

[0028] 5. hanger; 51. clamping seat; 52. spring;

[0029] 6. Fixed plate; 61. Rotating rod; 62. First gear; 63. Second gear;

[0030] 7. Servo motor. DETAILED DESCRIPTION

[0031] 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 of 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.

[0032] like Figure 1-4 As shown, the utility model has the following specific embodiments.

[0033] Example:

[0034] A sewage sampler, comprising a sampling test tube, and further comprising:

[0035] A liquid sampling gun 1, wherein an annular frame 11 and a baffle 12 are fixedly connected to one end of the liquid sampling gun 1, a first air hole 121 is provided on the outer surface of the baffle 12, a liquid outlet hopper 14 is penetrated and connected to one end of the outer surface of the liquid sampling gun 1, and the liquid outlet hopper 14 is located between the annular frame 11 and the baffle 12, and a second air hole 13 is provided on the other end of the outer surface of the liquid sampling gun 1;

[0036] A fixed cover 2, the fixed cover 2 is connected to one end of the liquid sampling gun 1, a liquid inlet hopper 21 is connected through the top of the fixed cover 2, and a hose 22 is connected to the top of the liquid inlet hopper 21;

[0037] The water filter cover 3 is pressed on the top of the annular frame 11 through the fixed cover 2;

[0038] A piston 4, the bottom of which is fixedly connected with a piston rod 41;

[0039] The hanger 5 is fixedly connected to the outer surface of the liquid sampling gun 1 just below the liquid outlet hopper 14, and the sampling test tube is installed inside the hanger 5.

[0040] By adopting the above technical solution, when using the device, first hold the liquid sampling gun 1 to extend the hose 22 connected to the liquid sampling gun 1 into the sewage, then pull the piston 4 to operate inside the liquid sampling gun 1, and the piston 4 inhales air through the first air hole 121 on the baffle 12, so that one end of the hose 22 connected to the liquid sampling gun 1 generates negative pressure, and the generated negative pressure can be absorbed through the hose 22, so that the sewage can be sucked into the liquid sampling gun 1 through the hose 22, and the water filter 3 embedded in the liquid sampling gun 1 can physically filter the incoming sewage and remove solid debris in the sewage. The filtered sewage flows into the sample test tube through the liquid outlet hopper 14 under the action of its own gravity, and the structure is reasonable, which is convenient for the subpackaging and collection of water samples.

[0041] Specifically, a clamping seat 51 is movably connected to the hanger 5, a spring 52 is fixedly connected to the bottom of the clamping seat 51, one end of the spring 52 is fixed to the hanger 5, a spherical groove is provided on the top of the clamping seat 51, and the bottom of the sampling test tube is supported in the spherical groove.

[0042] By adopting the above technical solution, the sampling test tube and the liquid outlet bucket 14 can be clamped and docked, that is, the bottom of the sampling test tube can be squeezed and pressed on the clamping seat 51 until the top of the sample test tube is sleeved on the liquid outlet bucket 14, wherein the spring 52 connected to the bottom of the clamping seat 51 can generate a reaction force after being compressed, so that the clamping seat 51 cooperates with the liquid outlet bucket 14 to clamp and dock the sample test tube, making it convenient for the sample test tube to be replaced and sampled.

[0043] Specifically, the piston 4 moves inside the liquid sampling gun 1, the piston rod 41 is movably connected to the liquid sampling gun 1, and the upper and lower sides of the piston rod 41 are fixedly connected with tooth plates 42;

[0044] It also includes a driving mechanism, which includes a fixed plate 6 and a servo motor 7. The fixed plate 6 is fixedly connected to the bottom of the liquid sampling gun 1. One side of the fixed plate 6 is rotatably connected to two rotating rods 61. One end of the rotating rod 61 is fixedly connected to a first gear 62. The top of the rotating rod 61 is concentrically fixedly connected to a second gear 63. The servo motor 7 is fixedly connected to the other side of the fixed plate 6. The right rotating rod 61 is fixedly connected to the output shaft of the servo motor 7.

[0045] The piston rod 41 moves between the two second gears 63 , and the piston rod 41 is meshedly connected with the second gears 63 via the toothed plate 42 .

[0046] By adopting the above technical solution, the piston 4 can be pulled by the piston rod 41 to move inside the liquid sampling gun 1, that is, the servo motor 7 can drive the rotating rod 61 on the right end of the fixed plate 6 to rotate, and the rotating rod 61 can drive the first gear 62 to rotate, and the first gear 62 can drive another first gear 62 meshing with each other to rotate on the fixed plate 6. Since the second gear 63 is fixed to the two first gears 62, and since the piston rod 41 is meshed and connected between the two second gears 63 through the tooth plate 42, the two second gears 63 drive the piston rod 41 to move, and the piston rod 41 can pull the connected piston 4 to move inside the liquid sampling gun 1.

[0047] Specifically, a controller is provided on the liquid sampling gun 1, and a button of the controller is electrically connected to the servo motor 7 through an electric wire.

[0048] By adopting the above technical solution, the controller provided on the liquid sampling gun 1 can electrically control the operation of the electrically connected servo motor 7, so that the servo motor 7 can drive the piston 4 to move.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sewage sampler, comprising a sampling tube, characterized in that: Also includes: A liquid sampling gun (1), wherein an annular frame (11) and a baffle (12) are fixedly connected at one end of the liquid sampling gun (1), a first air hole (121) is provided on the outer surface of the baffle (12), a liquid outlet hopper (14) is connected through one end of the outer surface of the liquid sampling gun (1), and the liquid outlet hopper (14) is located between the annular frame (11) and the baffle (12), and a second air hole (13) is provided on the other end of the outer surface of the liquid sampling gun (1); A fixed cover (2), the fixed cover (2) being connected to one end of the liquid sampling gun (1), the top of the fixed cover (2) being connected through a liquid inlet hopper (21), and the top of the liquid inlet hopper (21) being connected to a hose (22); A water filter cover (3), wherein the water filter cover (3) is pressed onto the top of the annular frame (11) through a fixing cover (2); A piston (4), wherein a piston rod (41) is fixedly connected to the bottom of the piston (4); A hanger (5) is fixedly connected to the outer surface of the liquid sampling gun (1) just below the liquid outlet hopper (14), and the sampling test tube is installed inside the hanger (5).

2. A sewage sampler according to claim 1, characterized in that: The hanger (5) is movably connected with a clamping seat (51), the bottom of the clamping seat (51) is fixedly connected with a spring (52), one end of the spring (52) is fixedly connected to the hanger (5), the top of the clamping seat (51) is provided with a spherical groove, and the bottom of the sampling test tube is supported in the spherical groove.

3. A sewage sampler according to claim 1, characterized in that: The piston (4) moves inside the liquid extraction sampling gun (1), the piston rod (41) is movably connected to the liquid extraction sampling gun (1), and tooth plates (42) are fixedly connected to the upper and lower sides of the piston rod (41).

4. A sewage sampler according to claim 3, characterized in that: The invention also comprises a driving mechanism, wherein the driving mechanism comprises a fixed plate (6) and a servo motor (7), wherein the fixed plate (6) is fixedly connected to the bottom of the liquid sampling gun (1), one side of the fixed plate (6) is rotatably connected to two rotating rods (61), one end of the rotating rod (61) is fixedly connected to a first gear (62), and the top of the rotating rod (61) is concentrically fixedly connected to a second gear (63), the servo motor (7) is fixedly connected to the other side of the fixed plate (6), and the right rotating rod (61) is fixedly connected to the output shaft of the servo motor (7).

5. A sewage sampler according to claim 4, characterized in that: The piston rod (41) moves between the two second gears (63), and the piston rod (41) is meshedly connected with the second gears (63) via a toothed plate (42).

6. A sewage sampler according to claim 5, characterized in that: The liquid sampling gun (1) is provided with a controller, and a button of the controller is electrically connected to a servo motor (7) via an electric wire.

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