Sewage treatment sampler for water conservancy project

Abstract

A sewage treatment sampler for hydraulic engineering relates to the technical field of water pollution sampling devices and comprises a fastening plate arranged in a sampling barrel, a plurality of corresponding through holes are formed in the bottoms of the fastening plate and the sampling barrel, outer pipes with closed lower ends are slidably mounted on the through holes of the fastening plate and the sampling barrel, and a baffle is slidably mounted on the bottom surface of the sampling barrel. The baffle makes contact with the bottom of the outer pipe, sampling pipes with the tops higher than the outer pipe are installed in the outer pipe in a sliding mode, a water guide pipe is coaxially installed in each sampling pipe, and sealing heads matched with the outer pipe are arranged on the water guide pipes. The through hole is formed in the lower portion of the sampling barrel, the outer pipe is installed in the through hole, the sampling pipe is arranged in the outer pipe, and the sampling barrel is connected with the sealing head through the outer pipe, so that the problem that when a single sampling pipe is used, time and labor are wasted due to the fact that the whole structure needs to be disassembled is solved, working efficiency is improved, and labor intensity is relieved.

Description

Technical Field

[0001] This utility model relates to the technical field of water pollution sampling devices, and in particular to a wastewater treatment sampler for water conservancy projects. Background Technology

[0002] Wastewater quality testing requires wastewater sampling. Existing wastewater sampling equipment generally uses a large sampler to be dropped into the water to collect samples. After the samples are pulled out of the water, they are poured into smaller sample tubes. This operation is cumbersome, and the samples are easy to splash out during the pouring process, resulting in waste of the collected samples.

[0003] After extensive testing, Chinese utility model patent publication number CN221148141U discloses a wastewater treatment sampler for water conservancy projects. The sampler includes a sampling bucket with a screw-on cap at the top. The bottom of the cap is threadedly connected to a water collection trough that fits into the inner cavity of the sampling bucket. A water guide pipe runs through the bottom of the water collection trough. A pressure spring is fixed at the bottom of the water collection trough, surrounding the water guide pipe. A pressure ring is fixed at the bottom of the pressure spring and fitted onto the outer surface of the water guide pipe. This device can directly and evenly guide the water sample into the sampling tube during sampling. When the cap is removed, the rubber sealing head seals the sampling tube, preventing water sample from flowing out. However, when some water guide pipes are blocked by rubber plugs, the sampling tubes are not used. To remove the used sampling tubes, the unused sampling tubes, water guide pipes, and rubber sealing heads must all be removed. Furthermore, after removing the used sampling tubes, the unused sampling tubes must be reconnected to the rubber sealing heads on the water guide pipes, which is quite cumbersome. Utility Model Content

[0004] This utility model proposes a wastewater treatment sampler for water conservancy projects.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A wastewater treatment sampler for water conservancy projects includes a fastening plate installed inside a sampling bucket. Both the fastening plate and the bottom of the sampling bucket have several corresponding through holes. An outer tube with a closed lower end is slidably installed on the through holes of the fastening plate and the sampling bucket. A baffle is slidably installed on the bottom surface of the sampling bucket, and the baffle contacts the bottom of the outer tube. A sampling tube with a top higher than the outer tube is slidably installed inside the outer tube. A water guide tube is coaxially installed in the sealing sleeve at the top of each sampling tube. A sealing head that cooperates with the outer tube is provided on the water guide tube.

[0007] A further preferred embodiment of this utility model is that the cross-sectional diameter at the bottom of the outer tube is larger than the cross-sectional diameter at the top of the outer tube, and a fastening external thread is provided on the outer wall at the top of the outer tube.

[0008] A further preferred embodiment of this utility model: the sealing head is convex in shape, and an installation hole is provided at the top of the sealing head. The middle part of the water guide pipe is fixedly installed in the installation hole of the sealing head. The sampling tube is inserted into the top of the sealing head. A fastening internal thread is provided on the bottom inner wall of the sealing head. The fastening internal thread on the bottom inner wall of the sealing head is screwed into the fastening external thread on the top of the outer tube.

[0009] A further preferred embodiment of this utility model: a sliding groove and a slot are respectively provided on both sides of the through hole on the bottom surface of the sampling bucket. An insert rod is slidably installed in the sliding groove. A spring is provided in the sliding groove. One end of the spring is in contact with the sliding groove, and the other end of the spring is connected to one end of the insert rod. The other end of the insert rod is inserted into the slot. A through groove is provided on the sliding groove, and an operating handle is slidably installed on the through groove. One end of the operating handle is fixedly connected to the bottom surface of the insert rod.

[0010] A further preferred embodiment of this utility model is as follows: a hand handle is provided on the bottom surface of the outer tube, and the bottom surface of the hand handle is in contact with the top surface of the insertion rod.

[0011] A further preferred embodiment of this utility model is: two rubber rings are provided between the outer tube and the sampling tube, and the two rubber rings are respectively fixed to the top and bottom of the outer tube.

[0012] The present invention has the following advantages:

[0013] 1. This utility model solves the problem of time-consuming and laborious disassembly of the entire structure when using a single sampling tube by setting a through hole at the bottom of the sampling bucket, installing an outer tube in the through hole, and setting a sampling tube in the outer tube. The outer tube is connected to the sealing head. This improves work efficiency and reduces labor intensity.

[0014] 2. This utility model increases the safety and reliability of the device by setting an insertion rod in the sampling bucket to protect the sampling tube. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the front sectional view of the present invention;

[0016] Figure 2 This is a schematic diagram of the main sectional view of the outer tube of this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the outer tube of this utility model;

[0018] Figure 4 This is a bottom view of the sampling bucket of this utility model.

[0019] In the diagram: 1. Sampling bucket, 2. Fastening plate, 3. Outer tube, 4. Sampling tube, 5. Sealing head, 6. Water guide pipe, 7. Fastening external thread, 8. Rubber ring, 9. Hand handle, 10. Insert rod, 11. Slot, 12. Slide groove, 13. Spring, 14. Through hole, 15. Operating handle, 16. Through groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] according to Figure 1-4 As shown, a wastewater treatment sampler for water conservancy projects includes a fastening plate 2 installed inside a sampling barrel 1. Both the fastening plate 2 and the bottom of the sampling barrel 1 have several corresponding through holes 14. An outer tube 3 with its lower end closed is slidably installed on the fastening plate 2 and the through holes 14 of the sampling barrel 1. A baffle is slidably installed on the bottom surface of the sampling barrel 1, contacting the bottom of the outer tube 3. A sampling tube 4 with its top higher than the outer tube 3 is slidably installed inside the outer tube 3. A water guide tube 6 is coaxially installed inside the sealing ring at the top of each sampling tube 4. The top of the water guide tube 6 is fixedly installed at the bottom of a water collection tank. A filter screen plate is movably installed inside the water collection tank. The top cover of the water collection tank, the water inlet hole on the cover, the filter screen inside the water inlet hole, and the sealing cap on the top of the filter screen are all existing technologies and will not be described in detail here. The sealing ring at the top of the sampling tube 4 is equivalent to the fixed connection between the sampling tube 4 and the rubber sealing head in the prior art, which is also existing technology. A sealing head 5 that cooperates with the outer tube 3 is provided on the water guide tube 6.

[0022] The cross-sectional diameter at the bottom of the outer tube 3 is larger than the cross-sectional diameter at the top of the outer tube 3, and a fastening external thread 7 is provided on the outer wall at the top of the outer tube 3.

[0023] The sealing head 5 is convex in shape, and an installation hole is provided on the top of the sealing head 5. The middle part of the water guide pipe 6 is fixedly installed in the installation hole of the sealing head 5. The sampling tube 4 is inserted into the top of the sealing head 5. A fastening internal thread is provided on the bottom inner wall of the sealing head 5. The fastening internal thread on the bottom inner wall of the sealing head 5 is screwed into the fastening external thread 7 on the top of the outer wall of the outer tube 3.

[0024] The bottom through hole 14 of the sampling barrel 1 is provided with a sliding groove 12 and a slot 11 on both sides. The insertion rod 10 is slidably installed in the sliding groove 12. A spring 13 is provided in the sliding groove 12. One end of the spring 13 is in contact with the sliding groove 12 and the other end of the spring 13 is connected to one end of the insertion rod 10. The other end of the insertion rod 10 is inserted into the slot 11. A through groove 16 is provided on the sliding groove 12. An operating handle 15 is slidably installed on the through groove 16. One end of the operating handle 15 is fixedly connected to the bottom surface of the insertion rod 10. This arrangement can better protect the outer tube 3.

[0025] A handle 9 is provided on the bottom surface of the outer tube 3. This design allows for better control of the rotation and disassembly of the outer tube 3. The bottom surface of the handle 9 is in contact with the top surface of the insertion rod 10, which makes the outer tube 3 more stable.

[0026] Two rubber rings 8 are provided between the outer tube 3 and the sampling tube 4. The two rubber rings 8 are fixed at the top and bottom of the outer tube 3 respectively. The sampling tube 4 can slide inside the rubber rings 8. This setting can protect the sampling tube 4.

[0027] Working principle: When using this device, identify the water pipe 6 that needs to be blocked, insert the rubber stopper into the top of the water pipe 6, place the device at the sampling location, and the sample water will pass through the filter sleeve and filter plate into the water collection tank, and then enter the sampling tube 4 through the unblocked water pipe 6. After sampling is completed, cover the sealing cap on the filter sleeve. Under atmospheric pressure, the sample water is controlled in the water collection tank. At this time, control the operating handle 15, the spring 13 will retract, and the insertion rod 10 will separate from the slot 11. Then control the hand handle 9 and rotate the outer tube 3 to separate the outer tube 3 from the sealing head 5. The sealing ring at the top of the sampling tube 44 will seal the sample water in the sampling tube 4. After taking out the outer tube 3, take out the sampling tube 4 from the outer tube 3.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A wastewater treatment sampler for water conservancy projects, characterized in that: The sample includes a fastening plate (2) installed inside the sampling barrel (1). The fastening plate (2) and the bottom of the sampling barrel (1) are provided with several corresponding through holes (14). An outer tube (3) with its lower end closed is slidably installed on the through holes (14) of the fastening plate (2) and the sampling barrel (1). A baffle is slidably installed on the bottom surface of the sampling barrel (1). The baffle is in contact with the bottom of the outer tube (3). A sampling tube (4) with its top higher than the outer tube (3) is slidably installed inside the outer tube (3). A water guide tube (6) is coaxially installed in the sealing sleeve at the top of each sampling tube (4). A sealing head (5) that cooperates with the outer tube (3) is provided on the water guide tube (6).

2. The wastewater treatment sampler for water conservancy projects according to claim 1, characterized in that: The cross-sectional diameter at the bottom of the outer tube (3) is larger than the cross-sectional diameter at the top of the outer tube (3), and a fastening external thread (7) is provided on the outer wall at the top of the outer tube (3).

3. The wastewater treatment sampler for water conservancy projects according to claim 1, characterized in that: The sealing head (5) is convex in shape. The top of the sealing head (5) has an installation hole. The middle part of the water guide pipe (6) is fixedly installed in the installation hole of the sealing head (5). The sampling tube (4) is inserted into the top of the sealing head (5). The bottom inner wall of the sealing head (5) is provided with a fastening internal thread. The fastening internal thread of the bottom inner wall of the sealing head (5) is screwed into the fastening external thread (7) of the top of the outer tube (3).

4. A wastewater treatment sampler for water conservancy projects according to claim 1, characterized in that: The bottom through hole (14) of the sampling bucket (1) is provided with a sliding groove (12) and a slot (11) on both sides. A rod (10) is slidably installed in the sliding groove (12). A spring (13) is provided in the sliding groove (12). One end of the spring (13) is in contact with the sliding groove (12), and the other end of the spring (13) is connected to one end of the rod (10). The other end of the rod (10) is inserted into the slot (11). A through groove (16) is provided on the sliding groove (12). An operating handle (15) is slidably installed on the through groove (16). One end of the operating handle (15) is fixedly connected to the bottom surface of the rod (10).

5. A wastewater treatment sampler for water conservancy projects according to claim 1, characterized in that: A hand handle (9) is provided on the bottom surface of the outer tube (3), and the bottom surface of the hand handle (9) is in contact with the top surface of the insertion rod (10).

6. A wastewater treatment sampler for water conservancy projects according to claim 4, characterized in that: Two rubber rings (8) are provided between the outer tube (3) and the sampling tube (4), and the two rubber rings (8) are fixed at the top and bottom of the outer tube (3) respectively.

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