Sampling equipment capable of preventing sample pollution

Abstract

The utility model relates to the technical field of water body sampling, and discloses sampling equipment for preventing sample pollution, which comprises a lifting mechanism, a traction rope is fixedly arranged at the bottom end of the lifting mechanism, a sampling mechanism is fixedly arranged at the lower end of the traction rope, and a fixing mechanism is fixedly arranged on the bottom surface of the sampling mechanism. A storage mechanism is clamped in the fixing mechanism, a water inlet mechanism is fixedly arranged at the upper end of one side of the storage mechanism, and a drainage mechanism is fixedly arranged at the upper end of the other side of the storage mechanism. According to the sampling device, the water inlet mechanism, the water drainage mechanism and the fixing mechanism are arranged, so that the overall sealing performance of the device is guaranteed, the function of preventing an inlet and an outlet of the sample storage pipe from being polluted is achieved, a user can conveniently select the storage mechanism with the appropriate size according to different sampling conditions and fix the storage mechanism through the fixing mechanism, and the overall application range of the device is enlarged; and the overall practicability and the anti-pollution effect of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water body sampling, in particular to a sampling device capable of preventing sample pollution. Background Art

[0002] The existing patent (publication number: CN219495775U) discloses that "the utility model discloses a water sampler in the field of environmental detection equipment, including a barrel body, a piston and a shell, the piston is slidably connected to the inner cavity of the barrel body, the shell is located below the bottom of the barrel body, a through hole is opened in the middle of the bottom of the barrel body, a first support rod is fixedly connected to the middle of the left side of the top of the barrel body, a first handle is fixedly connected to the top of the first support rod, a fixed block is fixedly connected to the lower left side of the inner wall of the barrel body and the lower right side of the inner wall, the inner wall of the fixed block is rotatably connected to a connecting block, and a sealing plate is fixedly connected to the bottom of the connecting block. The water sampler is convenient for sampling outdoors, so that the water sampler saves time and effort when sampling on the shore, improves the sampling efficiency of the water sampler, and has a protective device to avoid damage to the water pumping end of the water sampler when inserted into the river sand in the water source, thereby improving the service life of the water sampler."

[0003] During the process of realizing the present utility model, the inventor discovered that the prior art has the following problems: when the existing sampling equipment is in use, the sampler usually needs to be used for sampling outdoors, and after the sampling is completed, the sampler is brought back indoors for subsequent testing. During the process of bringing the samples back, the sampler has no effective protective structure to provide protection for the water sample to prevent it from being contaminated during transportation.

[0004] Therefore, the utility model provides a sampling device that prevents sample contamination to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a sampling device for preventing sample contamination. By providing a water inlet mechanism, a drainage mechanism and a fixing mechanism, the sealing of the entire device is ensured, so as to prevent the inlet and outlet of the sample storage tube from being contaminated. The user can choose a storage mechanism of a suitable size according to different sampling situations and fix it through the fixing mechanism, thereby increasing the overall application scope of the device and improving the overall practicality and anti-pollution effect of the device.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A sampling device for preventing sample contamination, comprising a lifting mechanism, a traction rope is fixedly arranged at the bottom end of the lifting mechanism, a sampling mechanism is fixedly arranged at the lower end of the traction rope, a fixing mechanism is fixedly arranged on the bottom surface of the sampling mechanism, a storage mechanism is clamped and arranged inside the fixing mechanism, a water inlet mechanism is fixedly arranged at the upper end of one side of the storage mechanism, and a drainage mechanism is fixedly arranged at the upper end of the other side of the storage mechanism;

[0008] The water inlet mechanism includes a water inlet, a first joint is threadedly provided at one end of the water inlet, a water inlet pipe is fixedly provided at one end of the first joint, a first spring is fixedly provided at one side inside the first joint, a first sealing ball is fixedly provided at one end of the first spring, and two first push rods are fixedly provided at one end inside the water inlet; the drainage mechanism includes a drainage outlet, a second joint is threadedly provided at one end of the drainage outlet, a second push rod is fixedly provided at one end inside the drainage outlet, a second spring is fixedly provided at one side inside the second joint, a second sealing ball is fixedly provided at one end of the second spring, and one end of the second joint is fixedly connected to a drainage pipe.

[0009] Furthermore, the lifting mechanism comprises a motor box, a winding motor is fixedly arranged inside the motor box, and a winding wheel is fixedly arranged at one end of the winding motor.

[0010] Furthermore, a control panel is fixedly arranged on the upper surface of the motor box, a winding box is fixedly arranged at one end of the motor box, and a wire taking-up groove is provided in the middle position of the bottom surface of the winding box.

[0011] Furthermore, the sampling mechanism comprises a water pump box, a protective upper cover is fixedly provided on the upper end of the water pump box, and hanging parts are fixedly provided at middle positions on both sides of the upper end of the protective upper cover.

[0012] Furthermore, a suction pump is fixedly arranged inside the water pump box, a water suction hose is fixedly arranged at the input end of the suction pump, and a one-way valve is fixedly arranged at the output end of the suction pump.

[0013] Furthermore, the storage mechanism comprises a sample storage tube, and a sealing upper cover is clamped on the upper end of the sample storage tube.

[0014] Furthermore, the fixing mechanism includes a fixing plate, a fixing ring is fixedly arranged in the middle position of the bottom surface of the fixing plate, fixing rods are fixedly arranged in the middle positions of the front and rear sides of the bottom surface of the fixing plate, movable rods are slidably arranged on the outer surfaces of the two fixing rods, and fixing knobs are threadedly arranged in the middle position of the upper ends of the two movable rods.

[0015] Furthermore, a movable plate is fixedly provided at the lower ends of the two fixed knobs, a movable ring is fixedly provided at the middle position of the upper surface of the movable plate, a counterweight rope is fixedly provided at the center of the bottom surface of the movable plate, and a counterweight block is fixedly provided at the bottom end of the counterweight rope.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model proposes a sampling device for preventing sample contamination. Compared with the existing sampling device, the sampling device is provided with a water inlet mechanism and a drainage mechanism. When the user uses it, after taking the sample, the user can unscrew the water inlet and the drainage port, and the first push rod and the second push rod leave the first sealing ball and the second sealing ball. The first sealing ball and the second sealing ball will be pushed out by the first spring and the second spring, and the openings of the first joint and the second joint will be tightened to ensure the overall sealing of the device, so as to prevent the inlet and outlet of the sample storage tube from being contaminated, thereby realizing the anti-pollution effect when the device is used.

[0018] 2. The utility model proposes a sampling device for preventing sample contamination. Compared with the existing sampling devices, the sampling device is provided with a fixing mechanism. When the user uses it, the storage mechanism can be installed by snapping the storage mechanism as a whole through the movable ring and the fixing block, so that the user can choose a storage mechanism of appropriate size according to different sampling situations and fix it through the fixing mechanism, thereby increasing the overall application scope of the device and improving the overall practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the first axonometric schematic diagram of the utility model;

[0020] Figure 2 It is a second axonometric schematic diagram of the utility model;

[0021] Figure 3 It is an axonometric diagram of the lifting mechanism of the utility model;

[0022] Figure 4 It is a cross-sectional schematic diagram of the lifting mechanism of the utility model;

[0023] Figure 5 It is an axonometric schematic diagram of the sampling mechanism of the utility model;

[0024] Figure 6 It is a cross-sectional schematic diagram of the sampling mechanism of the utility model;

[0025] Figure 7 It is an axonometric schematic diagram of the fixing mechanism of the utility model;

[0026] Figure 8 It is an axonometric diagram of the storage mechanism of the utility model;

[0027] Fig. 9 It is a cross-sectional schematic diagram of the storage mechanism of the utility model;

[0028] Fig.10It is an enlarged schematic diagram of point A of the utility model;

[0029] Fig.11 It is an enlarged schematic diagram of point B of the present utility model.

[0030] Legend:

[0031] 1. Lifting mechanism; 2. Traction rope; 3. Sampling mechanism; 4. Storage mechanism; 5. Fixing mechanism; 6. Water inlet mechanism; 7. Drainage mechanism; 101. Winding box; 102. Control panel; 103. Motor box; 104. Winding wheel; 105. Wire take-up slot; 106. Winding motor; 301. Lifting parts; 302. Protective cover; 303. Water suction hose; 304. One-way valve; 305. Suction pump; 306. Water pump box; 401. Sealing cover; 402. Sample storage tube; 501. Fixing plate ; 502, fixed ring; 503, movable ring; 504, movable plate; 505, counterweight rope; 506, counterweight block; 507, fixed rod; 508, fixed knob; 509, movable rod; 601, water inlet; 602, first push rod; 603, first joint; 604, first sealing ball; 605, first spring; 606, water inlet pipe; 701, drain pipe; 702, second spring; 703, second joint; 704, second push rod; 705, drain outlet; 706, second sealing ball. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1-2 8, the utility model provides an embodiment: a sampling device for preventing sample contamination, comprising a lifting mechanism 1, a traction rope 2 is fixedly arranged at the bottom end of the lifting mechanism 1, a sampling mechanism 3 is fixedly arranged at the lower end of the traction rope 2, a fixing mechanism 5 is fixedly arranged on the bottom surface of the sampling mechanism 3, a storage mechanism 4 is clamped inside the fixing mechanism 5, a water inlet mechanism 6 is fixedly arranged on the upper end of one side of the storage mechanism 4, and a drainage mechanism 7 is fixedly arranged on the upper end of the other side of the storage mechanism 4.

[0034] Specifically, by providing a lifting mechanism 1, it is convenient for the user to adjust the overall position of the device so that sampling can be performed at different depths. By providing a traction rope 2, it is convenient to realize its connection function. By providing a sampling mechanism 3, it is convenient to realize the sampling function when the device is used. By providing a fixing mechanism 5, it is convenient for the user to fix and place storage mechanisms 4 of different sizes. By providing a water inlet mechanism 6 and a drainage mechanism 7, it is convenient to realize the function of the device to obtain water samples.

[0035] Reference Figure 3-7 and 9-11, the water inlet mechanism 6 includes a water inlet 601, a first joint 603 is threadedly provided at one end of the water inlet 601, a water inlet pipe 606 is fixedly provided at one end of the first joint 603, a first spring 605 is fixedly provided on one side of the first joint 603, a first sealing ball 604 is fixedly provided on one end of the first spring 605, two first top rods 602 are fixedly provided on one end of the water inlet 601, the drainage mechanism 7 includes a drainage port 705, a second joint 703 is threadedly provided at one end of the drainage port 705, a second top rod 704 is fixedly provided on one end of the drainage port 705, a second spring 702 is fixedly provided on one side of the second joint 703, a second sealing ball 706 is fixedly provided on one end of the second spring 702, and a drainage pipe 701 is fixedly connected to one end of the second joint 703.

[0036] Specifically, by providing a water inlet 601, it is convenient to realize the water inlet function of the device; by providing a first spring 605 and a first sealing ball 604, it is convenient to realize the function of sealing the first joint 603 when the device is in use; by providing a first push rod 602, it is convenient to push the first sealing ball 604 to one side to realize an internal passage; by providing a drain port 705, it is convenient to discharge excess water after sampling; by providing a second spring 702 and a second sealing ball 706, it is convenient to seal the second joint 703; by providing a drain pipe 701, it is convenient to discharge water.

[0037] The lifting mechanism 1 includes a motor box 103, a winding motor 106 is fixedly arranged inside the motor box 103, a winding wheel 104 is fixedly arranged at one end of the winding motor 106, a control panel 102 is fixedly arranged on the upper surface of the motor box 103, a winding box 101 is fixedly arranged at one end of the motor box 103, and a wire taking-up groove 105 is opened in the middle position of the bottom surface of the winding box 101.

[0038] Specifically, by providing a winding motor 106, it is convenient to drive the winding wheel 104 to rotate, and to wind up the traction line 2 to achieve the function of adjusting the height. By providing a control panel 102, it is convenient to control the overall working state of the device. By providing a wire taking-up groove 105, it is convenient to realize the wire taking-up and releasing function of the device.

[0039] The sampling mechanism 3 includes a water pump box 306, a protective upper cover 302 is fixedly provided on the upper end of the water pump box 306, and hanging parts 301 are fixedly provided at the middle positions on both sides of the upper end of the protective upper cover 302. A suction pump 305 is fixedly provided inside the water pump box 306, a water suction hose 303 is fixedly provided at the input end of the suction pump 305, and a one-way valve 304 is fixedly provided at the output end of the suction pump 305. The storage mechanism 4 includes a sample storage tube 402, and a sealing upper cover 401 is clamped on the upper end of the sample storage tube 402.

[0040] Specifically, by providing a lifting part 301, it is convenient to realize the function of lifting and lowering the device when it is used. By providing a suction pump 305 combined with a water suction hose 303, the water suction sampling function of the device is realized. By providing a one-way valve 304, it can be ensured that the air in the device is discharged and the backflow of external water is prevented. By providing a sample storage tube 402 combined with a sealed upper cover 401, it is convenient to store water samples.

[0041] The fixing mechanism 5 includes a fixing plate 501, a fixing ring 502 is fixedly provided in the middle position of the bottom surface of the fixing plate 501, fixing rods 507 are fixedly provided in the middle position of the front and rear sides of the bottom surface of the fixing plate 501, movable rods 509 are slidably provided on the outer surfaces of the two fixing rods 507, fixing knobs 508 are threadedly provided in the middle position of the upper ends of the two movable rods 509, a movable plate 504 is fixedly provided at the lower ends of the two fixing knobs 508, a movable ring 503 is fixedly provided in the middle position of the upper surface of the movable plate 504, a counterweight rope 505 is fixedly provided at the center of the bottom surface of the movable plate 504, and a counterweight block 506 is fixedly provided at the bottom end of the counterweight rope 505.

[0042] Specifically, by providing a fixed ring 502 and a fixed plate 501, combined with a movable ring 503 and a movable plate 504, it is convenient for the user to fix and place the storage mechanism 4 that needs to be used. By providing a fixed rod 507 and a movable rod 509, combined with a fixed knob 508, it is convenient for the user to fix the position after the adjustment is completed. By providing a counterweight block 506 and a counterweight rope 505, it is helpful to provide counterweight for the device to ensure that it can sink into the water.

[0043] Working principle: When the device is in use, the user can carry the device as a whole to the location where sampling is required, loosen the movable rod 509 and the fixed rod 507 through the fixing knob 508, adjust the distance between the fixed plate 501 and the movable plate 504 to a suitable position, and put the storage mechanism 4 into the movable ring 503 as a whole. After the placement is completed, the drain port 705 and the water inlet 601 are respectively screwed into the first joint 603 and the second joint 703, and the first sealing ball 604 and the second sealing ball 706 are pushed to one side through the first push rod 602 and the second push rod 704 to ensure the smooth flow of the pipeline, and the drain port 705 is connected to the water suction hose 303, and the position of the movable rod 509 on the surface of the fixed rod 507 is adjusted. The storage mechanism 4 is moved through the movable ring 503. The ring 503 and the fixing ring 502 are fixed. After the fixing is completed, tighten the fixing knob 508 to fix the storage mechanism 4 as a whole, fix the lifting mechanism 1 of the device or hold it, control the winding wheel 104 to rotate through the winding motor 106, put down the traction rope 2, put the device as a whole into the water, turn on the suction pump 305, and suck the sample into the sample storage tube 401 through the water inlet 601. After taking the water sample, take the device as a whole out of the water, loosen the fixing knob 508, remove the sample storage tube 402, unscrew the water inlet 601 and the drain outlet 705, the first spring 605 and the second spring 702 push out the first sealing ball 604 and the second sealing ball 706, and seal the first joint 603 and the second joint 703 to ensure the sealing of the device and avoid contamination.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sampling device for preventing sample contamination, comprising a lifting mechanism (1), characterized in that: A traction rope (2) is fixedly arranged at the bottom end of the lifting mechanism (1), a sampling mechanism (3) is fixedly arranged at the lower end of the traction rope (2), a fixing mechanism (5) is fixedly arranged on the bottom surface of the sampling mechanism (3), a storage mechanism (4) is clamped and arranged inside the fixing mechanism (5), a water inlet mechanism (6) is fixedly arranged at the upper end of one side of the storage mechanism (4), and a water discharge mechanism (7) is fixedly arranged at the upper end of the other side of the storage mechanism (4); The water inlet mechanism (6) comprises a water inlet (601), a first joint (603) is threadedly provided at one end of the water inlet (601), a water inlet pipe (606) is fixedly provided at one end of the first joint (603), a first spring (605) is fixedly provided at one side of the first joint (603), a first sealing ball (604) is fixedly provided at one end of the first spring (605), two first push rods (602) are fixedly provided at one end of the water inlet (601), and the drainage mechanism (7) comprises a drainage port (705), a second joint (703) is threadedly provided at one end of the drainage port (705), a second push rod (704) is fixedly provided at one end of the drainage port (705), a second spring (702) is fixedly provided at one side of the second joint (703), a second sealing ball (706) is fixedly provided at one end of the second spring (702), and a drainage pipe (701) is fixedly connected to one end of the second joint (703).

2. A sampling device for preventing sample contamination according to claim 1, characterized in that: The lifting mechanism (1) comprises a motor box (103), a winding motor (106) being fixedly arranged inside the motor box (103), and a winding wheel (104) being fixedly arranged at one end of the winding motor (106).

3. A sampling device for preventing sample contamination according to claim 2, characterized in that: A control panel (102) is fixedly disposed on the upper surface of the motor box (103), a winding box (101) is fixedly disposed at one end of the motor box (103), and a wire taking-up slot (105) is provided in the middle of the bottom surface of the winding box (101).

4. The sampling device for preventing sample contamination according to claim 1, characterized in that: The sampling mechanism (3) comprises a water pump box (306), a protective upper cover (302) being fixedly provided on the upper end of the water pump box (306), and hanging parts (301) being fixedly provided at middle positions on both sides of the upper end of the protective upper cover (302).

5. A sampling device for preventing sample contamination according to claim 4, characterized in that: A suction pump (305) is fixedly arranged inside the water pump box (306), a water suction hose (303) is fixedly arranged at the input end of the suction pump (305), and a one-way valve (304) is fixedly arranged at the output end of the suction pump (305).

6. The sampling device for preventing sample contamination according to claim 1, characterized in that: The storage mechanism (4) comprises a sample storage tube (402), and a sealing upper cover (401) is clamped on the upper end of the sample storage tube (402).

7. The sampling device for preventing sample contamination according to claim 1, characterized in that: The fixing mechanism (5) comprises a fixing plate (501), a fixing ring (502) is fixedly arranged at the middle position of the bottom surface of the fixing plate (501), fixing rods (507) are fixedly arranged at the middle positions of the front and rear sides of the bottom surface of the fixing plate (501), movable rods (509) are slidably arranged on the outer surfaces of the two fixing rods (507), and fixing knobs (508) are threadedly arranged at the middle positions of the upper ends of the two movable rods (509).

8. The sampling device for preventing sample contamination according to claim 7, characterized in that: A movable plate (504) is fixedly arranged at the lower ends of the two fixed knobs (508), a movable ring (503) is fixedly arranged at the middle position of the upper surface of the movable plate (504), a counterweight rope (505) is fixedly arranged at the center of the bottom surface of the movable plate (504), and a counterweight block (506) is fixedly arranged at the bottom end of the counterweight rope (505).

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