CN219977864U - Extraction element for waste water COD content detects - Google Patents
Extraction element for waste water COD content detects Download PDFInfo
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- CN219977864U CN219977864U CN202321083476.7U CN202321083476U CN219977864U CN 219977864 U CN219977864 U CN 219977864U CN 202321083476 U CN202321083476 U CN 202321083476U CN 219977864 U CN219977864 U CN 219977864U
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- extraction
- rod
- wall
- pumping rod
- extraction cylinder
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- 238000000605 extraction Methods 0.000 title claims abstract description 79
- 239000002351 wastewater Substances 0.000 title claims abstract description 36
- 238000005086 pumping Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses an extraction device for detecting COD content of wastewater, which comprises an extraction cylinder, wherein an extraction mechanism is arranged in an inner cavity of the extraction cylinder and comprises a liquid suction head, a pumping rod and rubber blocks, the liquid suction head is arranged at the bottom end of the extraction cylinder, a protection mechanism is arranged on the outer wall of the liquid suction head, the rubber blocks are arranged at the bottom end of the pumping rod, and supporting mechanisms are arranged on two sides of the pumping rod. According to the utility model, by means of the arrangement mode of the extraction cylinder, the liquid extraction head, the pumping rod and the rubber block, the extraction cylinder is enabled to pump the wastewater sample in the extraction cylinder by means of the pumping rod and the rubber block, the liquid extraction head can be sealed by the protection mechanism after the water sample is pumped, and the pumping rod is fixed by the support mechanism, so that the pumping rod is prevented from moving in the detection process, the extraction cylinder can directly store the water sample, the additional transfer of the sample is avoided, the entry of other pollutants is prevented, and the accuracy of wastewater detection data can be improved.
Description
Technical Field
The utility model relates to the field of wastewater detection, in particular to an extraction device for detecting COD content of wastewater.
Background
The wastewater is the general term of water discharged in the activities of residents and runoff rainwater. The method comprises the steps of flowing domestic sewage, industrial wastewater, primary rain water into a drainage pipe canal and other useless water, and generally refers to water which cannot be recycled after being treated by a certain technology or cannot reach a certain standard in pure treatment difficulty after primary pollution.
In order to avoid pollution of some waste water to the environment and generally carry out COD detection, the COD detection of the waste water mainly detects the pollution degree of the waste water so as to treat the waste water, the waste water needs to be extracted by a water sample during the detection of the waste water, and the waste water is usually extracted by a syringe and then is transferred to a container of a sample so as to be sent to the detection, but other external bacterial pollutants are easily led to enter the container during the transfer to the container, so that the subsequent detection is influenced to a certain extent, and the accuracy of detection data is reduced.
Disclosure of Invention
The utility model aims to provide an extraction device for detecting COD content of wastewater, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the extraction device for detecting the COD content of the wastewater comprises an extraction cylinder, wherein an inner cavity of the extraction cylinder is provided with an extraction mechanism;
the extraction mechanism comprises a liquid extraction head, a pumping rod and a rubber block, wherein the liquid extraction head is fixedly arranged at the bottom end of an extraction cylinder, a protection mechanism is arranged on the outer wall of the liquid extraction head, the rubber block is arranged in an inner cavity of the extraction cylinder, the top end of the pumping rod penetrates through the top end of the extraction cylinder and extends to the top, the rubber block is fixedly arranged at the bottom end of the pumping rod, and supporting mechanisms are symmetrically arranged on two sides of the pumping rod.
Preferably, the protection mechanism comprises a liquid suction cap, an inner cavity of the liquid suction cap is in threaded rotation connection with the outer wall of the liquid suction head, and a sealing ring is fixedly connected to the top end of the liquid suction cap.
Preferably, the supporting mechanism comprises a fixed column and a supporting rod, the fixed column is fixedly arranged at the top end of the extraction cylinder, the supporting rod is inserted into the inner cavity of the fixed column in a sliding mode, the top end of the supporting rod penetrates through the top end of the fixed column and extends to the top, and a limiting mechanism is arranged between the supporting rod and the fixed column.
Preferably, the limiting mechanism comprises a through hole and a limiting rod, the through hole is formed in the outer wall of the bottom end of the supporting rod, the outer wall of the limiting rod is connected with the inner wall of the through hole in a threaded penetrating mode, and one end of the limiting rod penetrates through the outer wall of the fixing column and extends to the outside.
Preferably, the outer wall of the fixed column is provided with a bar-shaped groove, and the inner wall of the bar-shaped groove is connected with the outer wall of the limit rod in a threaded penetrating manner.
Preferably, the top end of the drawing rod is fixedly connected with a handle, and the bottom end of the handle is fixedly connected with the top end of the supporting rod.
The utility model has the technical effects and advantages that:
(1) According to the utility model, by means of the arrangement mode of the matching of the extraction cylinder, the liquid extraction head, the pumping rod and the rubber block, the extraction cylinder is enabled to pump the wastewater sample in the extraction cylinder by virtue of the pumping rod and the rubber block, the liquid extraction head can be sealed by virtue of the protection mechanism after the water sample is pumped, and the pumping rod is fixed by virtue of the support mechanism, so that the pumping rod is prevented from moving in the detection process, the extraction cylinder can directly store the water sample, the additional transfer of the sample is avoided, the entry of other pollutants is prevented, and the accuracy of wastewater detection data can be improved;
(2) According to the utility model, the liquid extraction cap, the support rod and the fixing column are matched, so that the liquid extraction head can be sealed by the liquid extraction cap after a sample is extracted from the extraction cylinder, the support rod is driven to move in the inner cavity of the fixing column while the pumping rod moves in the extraction process, and the limiting mechanism is matched, so that the support rod and the fixing column can be fixed through the limiting mechanism after the pumping rod stops moving, thereby fixing the height of the pumping rod, avoiding the pumping rod from being collided in the process of delivering the sample to the detection of the extraction cylinder to push the waste water sample out of the cylinder, and ensuring the integrity of the sample.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of the liquid extracting head of the present utility model.
Fig. 3 is a schematic diagram of the front cross-sectional structure of the present utility model.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.
In the figure: 1. an extraction cylinder; 2. a whip rod; 3. a liquid extracting head; 4. a liquid pumping cap; 5. a handle; 6. a rubber block; 7. fixing the column; 8. a support rod; 9. a bar-shaped groove; 10. a through hole; 11. and a limit rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an extraction device for detecting COD content of waste water as shown in figures 1-4, which comprises an extraction cylinder 1, wherein the extraction cylinder 1 is used for extracting a waste water sample by forming vacuum negative pressure through a rubber block 6 in an inner cavity and a pumping rod 2, the inner cavity of the extraction cylinder 1 is provided with an extraction mechanism, the extraction mechanism comprises a liquid pumping head 3, the pumping rod 2 and the rubber block 6, the top end of the pumping rod 2 is fixedly connected with a handle 5, the arrangement of the handle 5 is beneficial to the force of the hand during the extraction of the pumping rod 2, the force of the pumping is beneficial to saving, the outer wall of the pumping rod 2 is provided with a plurality of grooves, the grooves reduce the resistance of the pumping rod 2 in the extraction process, so that the convenience of use is improved, the bottom end of the handle 5 is fixedly connected with the top end of a supporting rod 8, the liquid pumping head 3 is fixedly arranged at the bottom end of the extraction cylinder 1, the outer wall of the liquid pumping head 3 is provided with a protection mechanism, the top end of the rubber block 6 is arranged at the inner cavity of the extraction cylinder 1, the top end of the pumping rod 2 penetrates through the top end of the extraction cylinder 1 and extends to the top, the rubber block 6 is fixedly arranged at the two sides of the pumping rod 2, the bottom end of the pumping rod 2 is beneficial to the suction rod 6, the suction rod 2 is tightly attached to the bottom end of the extraction cylinder 1 in the inner cavity 1, and the inner cavity is tightly deformed in the static state, and the inner cavity is formed in the inner cavity 1, and the inner cavity is tightly deformed in the extraction cylinder 1;
the protection mechanism comprises a liquid suction cap 4, the liquid suction cap 4 is arranged to facilitate the sealed protection of the liquid suction head 3 in the moving process of the extraction cylinder 1, other pollutants are prevented from entering in the detection process, the inner cavity of the liquid suction cap 4 is in threaded rotation connection with the outer wall of the liquid suction head 3, the top end of the liquid suction cap 4 is fixedly connected with a sealing ring, the sealing ring is beneficial to enhancing the tightness of the liquid suction cap 4, the support mechanism comprises a fixing column 7 and a support rod 8, the lengths of the fixing column 7 and the support rod 8 are different according to the different lengths of the extraction cylinder 1, the fixing column 7 is fixedly arranged at the top end of the extraction cylinder 1, the support rod 8 is slidably inserted into the inner cavity of the fixing column 7, the top end of the support rod 8 penetrates through the top end of the fixing column 7 and extends to the top, and a limiting mechanism is arranged between the support rod 8 and the fixing column 7;
the stop gear includes through-hole 10 and gag lever post 11, gag lever post 11 cross-section is the T style of calligraphy, through rotating gag lever post 11, the gag lever post 11 passes behind bar groove 9 and the corresponding through-hole 10 and extrudes the inner wall of fixed column 7, thereby carry out the fixed between bracing piece 8 and the fixed column 7, the outer wall in bracing piece 8 bottom is seted up to through-hole 10, the outer wall of gag lever post 11 and the inner wall thread of through-hole 10 alternate and are connected, the one end of gag lever post 11 runs through the outer wall of fixed column 7 and extends to the outside, bar groove 9 has been seted up to the outer wall of fixed column 7, the width that bar groove 9 was connected with the outer wall thread of gag lever post 11 alternate is less than the width of gag lever post 11 one end, and bar groove 9 is seted up along the vertical direction of fixed column 7, do benefit to and fix the bracing piece 8 that moves to not co-altitude.
The working principle of the utility model is as follows:
when waste water is extracted, the liquid suction head 3 stretches into the waste water, then the pumping rod 2 is pumped upwards, the pumping rod 2 drives the rubber block 6 to rise, the rubber block 6 is tightly attached to the inner cavity of the extraction cylinder 1, certain deformation is generated when the rubber block 6 and the pumping rod 2 rise gradually in the inner cavity of the extraction cylinder 1, the inner cavity of the extraction cylinder 1 forms certain suction force, the waste water enters the inner cavity of the extraction cylinder 1 through the liquid suction head 3, the supporting rod 8 is driven to rise along the inner cavity of the fixing column 7 in the pumping process of the pumping rod 2, the pumping operation is stopped after a certain amount of waste water is pumped, the liquid suction head 3 is taken out from a water body after stopping, after simple wiping is performed, the liquid suction cap 4 is rotated to seal the liquid suction head 3, and then the limiting rod 11 is rotated, the limiting rod 11 passes through the strip-shaped groove 9 and the through hole 10 to squeeze the inner wall of the fixing column 7, the supporting rod 8 and the fixing column 7 can be fixed, accordingly the waste water in the extraction cylinder 1 is prevented from flowing out in the pumping process of the extraction cylinder 2, the waste water is well detected, and the waste water can be well detected, and the sample can be extracted after the waste water is well detected.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. An extraction device for detecting COD content of wastewater comprises an extraction cylinder (1), and is characterized in that an inner cavity of the extraction cylinder (1) is provided with an extraction mechanism;
the extraction mechanism comprises a liquid extraction head (3), a pumping rod (2) and a rubber block (6), wherein the liquid extraction head (3) is fixedly arranged at the bottom end of the extraction cylinder (1), a protection mechanism is arranged on the outer wall of the liquid extraction head (3), the rubber block (6) is arranged in an inner cavity of the extraction cylinder (1), the top end of the pumping rod (2) penetrates through the top end of the extraction cylinder (1) and extends to the top, the rubber block (6) is fixedly arranged at the bottom end of the pumping rod (2), and supporting mechanisms are symmetrically arranged on the two sides of the pumping rod (2).
2. The extraction device for detecting the COD content of the wastewater according to claim 1, wherein the protection mechanism comprises a liquid suction cap (4), an inner cavity of the liquid suction cap (4) is in threaded rotation connection with the outer wall of the liquid suction head (3), and a sealing ring is fixedly connected to the top end of the liquid suction cap (4).
3. The extraction device for detecting the COD content of the wastewater according to claim 1, wherein the supporting mechanism comprises a fixed column (7) and a supporting rod (8), the fixed column (7) is fixedly arranged at the top end of the extraction cylinder (1), the supporting rod (8) is inserted into an inner cavity of the fixed column (7) in a sliding manner, the top end of the supporting rod (8) penetrates through the top end of the fixed column (7) and extends to the top, and a limiting mechanism is arranged between the supporting rod (8) and the fixed column (7).
4. The extraction device for detecting the COD content of the wastewater according to claim 3, wherein the limiting mechanism comprises a through hole (10) and a limiting rod (11), the through hole (10) is formed in the outer wall of the bottom end of the supporting rod (8), the outer wall of the limiting rod (11) is connected with the inner wall of the through hole (10) in a threaded penetrating manner, and one end of the limiting rod (11) penetrates through the outer wall of the fixing column (7) and extends to the outside.
5. The extraction device for detecting the COD content of the wastewater according to claim 3, wherein the outer wall of the fixed column (7) is provided with a strip-shaped groove (9), and the inner wall of the strip-shaped groove (9) is connected with the outer wall of the limit rod (11) in a threaded penetrating manner.
6. The extraction device for detecting the COD content of the wastewater according to claim 1, wherein the top end of the pumping rod (2) is fixedly connected with a handle (5), and the bottom end of the handle (5) is fixedly connected with the top end of the supporting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321083476.7U CN219977864U (en) | 2023-05-08 | 2023-05-08 | Extraction element for waste water COD content detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321083476.7U CN219977864U (en) | 2023-05-08 | 2023-05-08 | Extraction element for waste water COD content detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977864U true CN219977864U (en) | 2023-11-07 |
Family
ID=88598197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321083476.7U Active CN219977864U (en) | 2023-05-08 | 2023-05-08 | Extraction element for waste water COD content detects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977864U (en) |
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2023
- 2023-05-08 CN CN202321083476.7U patent/CN219977864U/en active Active
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