CN220932508U

CN220932508U - Sewage detection sampling mechanism

Info

Publication number: CN220932508U
Application number: CN202322763075.2U
Authority: CN
Inventors: 赵吉芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-05-10
Anticipated expiration: 2033-10-16

Abstract

The utility model relates to the technical field of sewage sampling, in particular to a sewage detection sampling mechanism, which comprises a lofting vertical cylinder, wherein the upper end and the lower end of the lofting vertical cylinder are all communicated, a lower lofting container, a water sample converter and an upper lofting container are arranged in a lofting through cavity of the lofting vertical cylinder, a lower bearing flange plate is arranged in the lofting through cavity of the lofting vertical cylinder below the lower lofting container in a screwed manner, an upper bearing flange plate is arranged in the lofting through cavity of the lofting vertical cylinder above the upper lofting container in a screwed manner, and an upper water inlet vertical pipe at the top of the upper lofting container moves and penetrates through a central hole of the upper bearing flange plate in a sealing manner and stretches to the upper side of the central hole. This sewage detects sampling mechanism can realize controlling the whole sampling mechanism and throw into different sampling depth and take a sample after directly adopting the sampling rope to connect when taking a sample, and this sampling mechanism can realize storing according to two kinds of water samples, realizes two water level sampling and stores alone.

Description

Sewage detection sampling mechanism

Technical Field

The utility model relates to the technical field of sewage sampling, in particular to a novel sampling structure capable of rapidly taking sewage at two water levels, and especially relates to a sewage detection sampling mechanism.

Background

The sewage detection is mainly used for extracting and analyzing sewage components and is a common water treatment means, and test samplers are generally required to sample sewage detection samples at sewage sampling points before sewage detection.

At present, a water taking container is generally adopted for sampling sewage in the prior art or a sampler is used for sampling sewage. For example, a sewage detection sampler is disclosed in patent document CN116818424a, whose main structure includes a sampling shell, a scale mark, a sampling tube, a sealing cover, a pushing mechanism, a filtering mechanism and a detaching mechanism; the sampling device comprises a sampling shell, wherein a sampling tube is fixedly communicated with the surface of the right side of the sampling shell, scale marks are arranged on the surface of the sampling shell, a filtering mechanism is connected to the right end of the sampling tube, a sealing cover is connected to the left end of the sampling shell in a threaded manner, a pushing mechanism is connected to the surface of the sealing cover, and a detaching mechanism is connected to the tail end of the pushing mechanism.

As can be seen from the structure disclosed in the above prior art patent, the above prior art patent mainly uses the movement of the pushing mechanism to suck the sampled water into the sampling tube, and this sampling method can complete the sampling while sampling the water, but has drawbacks in various aspects, specifically as follows: firstly, the sampling mode can only sample the surface water sample, and can not finish the sampling of a deeper water layer, so that the sampling mode is not applicable when the deep sewage is required to be sampled; second, sampler among the prior art can only sample to the aqueous solution of single degree of depth, can't accomplish the independent sample of two different water levels, in order to contrast the water sample of different degree of depth in actual sampling work many times, needs to sample deep water sample and shallow water sample respectively usually to accomplish the contrast detection when sewage treatment later stage, obviously current sampler can not this function.

Therefore, the utility model optimizes and improves the problems of the sampler in the prior art, and therefore, provides a novel sampling structure capable of effectively realizing rapid water taking of sewage at two water levels, so as to better solve the problems in the prior art.

Disclosure of utility model

The utility model aims to solve one of the technical problems, and adopts the following technical scheme: the utility model provides a sewage detection sampling mechanism, includes the lofting upright tube, the upper and lower both ends of lofting upright tube all link up the setting lofting open cavity inside of lofting upright tube is coaxial arrangement in proper order from bottom to top lower part store up appearance ware, water sample converter, upper portion store up appearance ware the lofting open cavity internal thread of lofting upright tube of lower part store up appearance ware below closes soon and installs a lower part bearing ring flange the lofting open cavity internal thread of lofting upright tube of upper portion store up appearance ware top closes soon and installs an upper portion bearing ring flange, the upper portion water inlet riser activity at upper portion store up appearance ware top just seals and wears out the centre bore of upper portion bearing ring flange and stretches to its top the both ends top of upper portion bearing ring flange is fixed mounting respectively and is hung the ear mount, two connect by the lifting hook between the ear mount, the top of hanging the rope passes through the lifting hook and connects the sample rope.

In any of the above schemes, preferably, the upper sample storage device comprises an upper sample storage cylinder coaxially matched with and installed in the upper sample discharge through cavity, a water sample delivery pipe is arranged at the bottom center of the upper sample storage cylinder, an external thread is arranged on the outer side wall of the water sample delivery pipe, the water sample delivery pipe is in threaded fit with the lower part of the water sample converter through the external thread, an upper water inlet vertical pipe is arranged at the top center of the upper sample storage cylinder in a protruding mode, a water inlet electromagnetic control valve with a battery is arranged on the outer side wall of the lower part of the upper water inlet vertical pipe, the water inlet electromagnetic control valve is remotely controlled to be opened and closed by sampling personnel in a using state, and an upper sample storage cavity is arranged in the upper sample storage cylinder.

In any of the above schemes, preferably, the lower sample storage device comprises a lower sample storage barrel coaxially matched and installed in the lower sample discharge through cavity, a lower water inlet vertical pipe is arranged in a protruding mode at the center of the top of the lower sample storage barrel, external threads are arranged on the outer side wall of the lower water inlet vertical pipe, the lower water inlet vertical pipe is in threaded fit with the lower portion of the water sample converter through the external threads, and a lower sample storage cavity is formed in the lower sample storage barrel.

In any of the above solutions, preferably, the water sample converter includes an outer through riser, an inner through riser is coaxially disposed in the outer through riser, an upper portion and a lower portion of a diversion through cavity of the inner through riser are both cylindrical cavities, internal threads are disposed on inner side walls of the cylindrical cavities, the cylindrical cavities located at the upper portion are in threaded sealing screwing with the water sample delivery pipe through the internal threads, the cylindrical cavities located at the lower portion are in threaded sealing screwing with the lower water inlet riser through the internal threads, two sides of a middle portion of the inner through riser are respectively protruding outwards in an arc shape and form a valve core mounting cavity in the inner through riser, a cylindrical valve core is mounted in the inner valve core mounting cavity in a matched manner, a valve path channel is disposed on a curved outer side wall of the cylindrical valve core, when the two valve path channels are in a communicating state with the inner through riser, two ends of the cylindrical valve core are respectively movably and sealingly mounted in a mounting rotating hole of the inner through connecting shaft fixedly connected with an end portion of the cylindrical valve core, wherein one end of the cylindrical cavity is respectively connected with an annular through the annular through-shaped inner connecting shaft and is fixedly mounted in the annular through the inner through connecting shaft and the annular through shaft, the inner through connecting shaft is fixedly connected with the annular through the inner end of the annular through connecting shaft and the annular connecting shaft.

In any of the above aspects, preferably, after the upper sample container is sampled for the first time, the sewage sample liquid in the upper sample container flows into the lower sample container for storage after being transferred by the water sample converter in the opened state.

In any of the above schemes, preferably, the cylindrical valve core is made of rubber material.

In any of the above solutions, preferably, the number of the valve path channels is two, and the two valve path channels are spaced and symmetrically arranged.

In any of the above aspects, preferably, the volume of the lower sample storage cavity is larger than the volume of the upper sample storage cavity.

Compared with the prior art, the utility model has the following beneficial effects:

1. This sewage detects sampling mechanism can realize controlling the sampling mechanism and throw into different sampling depth and take a sample after directly adopting the sampling rope to connect when taking a sample, and this sampling mechanism disposes lower part sample storage ware, upper portion sample storage ware simultaneously can realize storing according to two kinds of water samples, realizes two water level sample and stores alone.

2. When water sample sampling is carried out, the sampling of two water levels can be realized by means of the upper sample storage device, the water sample entering from the upper part is controlled to be quickly transferred to the inside of the lower sample storage device and effectively stored by controlling the opening and the conversion of the water sample converter, the water flows of different water levels which enter later can be prevented from entering again by controlling the closing of the water inlet electromagnetic control valve before the opening of the water sample converter is controlled.

3. The volume of the lower sample storage cavity arranged at the position is larger than that of the upper sample storage cavity, so that the water sample entering the upper part for the first time can be guaranteed to completely flow into the lower sample storage cavity when flowing downwards, the water sample of the first water intake water level is prevented from remaining in the upper sample storage cavity, and the relative purity of the water sample entering the upper sample storage cavity for the second time is guaranteed.

4. The upper supporting flange plate that adopts here cooperates lower supporting flange plate to realize the lower part sample storage ware, water sample converter, the upper portion sample storage ware location to the lofting leads to the intracavity portion, when pouring out the water sample after the sample is accomplished, control water electromagnetic control valve open the inside water sample of pouring upper portion sample storage cavity earlier, and then with lower part supporting flange plate unscrew, close the dismantlement lower part sample storage ware soon simultaneously and can pour out the inside water sample of lower part sample storage ware.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic view of the internal structure of the present utility model.

FIG. 2 is a schematic diagram showing the installation state of the lower sample holder, the water sample converter and the upper sample holder according to the present utility model.

Fig. 3 is a schematic view of the water sample converter in the closed state.

Fig. 4 is a schematic view of the water sample converter in the open state.

Fig. 5 is a schematic front view of the flow guiding through cavity of the present utility model.

In the figure, 1, a lofting stand cylinder; 2. lofting and cavity passing; 3. the lower part supports the flange plate; 4. the upper part supports the flange plate; 5. an upper water intake riser; 6. hanging lug seats; 7. a hanging rope; 8. a sampling rope; 9. a diversion through cavity; 901. a cylindrical cavity; 902. a valve core mounting cavity; 10. a water sample delivery pipe; 11. a water inlet electromagnetic control valve; 12. an upper sample storage cavity; 13. a lower cartridge; 14. a lower water intake riser; 15. a lower sample storage cavity; 16. an outer through riser; 17. an inner through riser; 18. an upper cartridge; 19. a cylindrical valve core; 20. a connecting shaft; 21. an annular installation space; 22. controlling the motor by remote control; 23. an annular connecting disc; 24. and a valve path passage.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model. The specific structure of the utility model is shown in fig. 1-4.

Example 1: the utility model provides a sewage detection sampling mechanism, includes lofting upright tube 1, the upper and lower both ends of lofting upright tube 1 all link up the setting lofting open cavity 2 inside of lofting upright tube 1 is coaxial arrangement in proper order from bottom to top has lower part reservoir, water sample converter, upper portion reservoir in lower part reservoir below lofting open cavity 2 internal thread of lofting upright tube 1 closes soon installs lower part bearing ring flange 3 lofting upright tube 1's of upper portion reservoir top lofting open cavity 2 internal thread closes soon installs an upper portion bearing ring flange 4, the upper portion water inlet riser 5 activity at upper portion reservoir top is sealed to be worn out upper portion bearing ring flange 4's centre bore and stretch to its top hanging lug seat 6 is fixed mounting respectively at upper portion bearing ring flange 4's both ends top, two connect by hanging rope 7 between hanging lug seat 6, hanging rope 7's top is through lifting hook connection rope 8. According to the utility model, the whole sampling mechanism can be assembled according to the use requirement before sampling, the sampling mechanism is connected with the sampling rope 8 after the assembly is completed, the sampling rope 8 is held by hand and the sewage detection sampling mechanism is vertically placed into the water surface, the sampling depth can be controlled by controlling the length of the sampling rope 8 with scale marks according to self gravity, after the specified depth is reached, the water inlet electromagnetic control valve 11 of the upper sample storage device is controlled to be opened in a remote manner, at the moment, the water sample at the water level can flow into the upper sample storage cavity 12 for a sufficient time, then the water inlet electromagnetic control valve 11 is controlled to be closed, at the moment, the first sampling is completed, then the water sample converter is opened, the valve channel 24 in the water sample converter is opened, the first sampling liquid in the upper sample storage cavity 12 can be completely flowed into the lower sample storage cavity 15 under the action of gravity, the water sample converter is controlled to be closed after the sufficient time, at the moment, the water sample in the upper sample storage cavity 12 is controlled to be opened again, the water sample is controlled to be filled in the upper sample storage cavity 11 for a sufficient time, the water sample is controlled to be filled in the upper sample storage cavity 12, the water sample is controlled to be closed, the water sample is controlled to be filled in the upper sample storage cavity, the water sample is completely is discharged from the upper sample storage cavity 12 through the water sample storage cavity, at the inner portion through the water sample converter, at the moment, the water sample storage cavity is opened, and the water sample storage cavity is completely by pouring valve, at the time, and the water sample is completely and the upper sample storage cavity is completely, and the water sample is completely and the water sample is poured.

In any of the above schemes, preferably, the upper sample storage device comprises an upper sample storage tube 18 coaxially mounted in the upper sample discharge through cavity 2, a water sample delivery tube 10 is arranged at the bottom center of the upper sample storage tube 18, external threads are arranged on the outer side wall of the water sample delivery tube 10, the water sample delivery tube 10 is in threaded fit with the lower part of the water sample converter through the external threads, the upper water inlet vertical tube 5 is arranged at the top center of the upper sample storage tube 18 in a protruding mode, a water inlet electromagnetic control valve 11 with a battery is arranged on the lower outer side wall of the upper water inlet vertical tube 5, the water inlet electromagnetic control valve 11 adopts a remote control electromagnetic valve and is controlled to open and close by sampling personnel in a remote control mode in a use state, and an upper sample storage cavity 12 is arranged in the upper sample storage tube 18. When the water sample is sampled for the first time, the top water inlet electromagnetic control valve 11 is opened, the water sample of the first water level can be directly led into the upper sample storage cavity 12 for temporary storage, after the inner part of the upper sample storage cavity 12 is sampled, the water inlet electromagnetic control valve 11 is controlled to be closed, the remote control motor 22 of the water sample converter drives the corresponding cylindrical valve core 19 to rotate and reach the opening station of the valve path channel 24, the water sample temporarily stored in the upper sample storage cavity 12 can flow into the lower sample storage cavity 15 quickly by means of the valve path channel 24, the valve path channel 24 is controlled to be closed after the waiting time length and enough safety time length are reserved, the storage of the first sample is finished at the moment, the water inlet electromagnetic control valve 11 is opened again for the second sample collection until the water sample is completely sampled, and the water inlet electromagnetic control valve 11 is closed.

In any of the above schemes, preferably, the lower sample storage device comprises a lower sample storage barrel 13 coaxially matched and installed in the lower sample discharge through cavity 2, a lower water inlet vertical pipe 14 is arranged in a protruding mode at the center of the top of the lower sample storage barrel 13, external threads are arranged on the outer side wall of the lower water inlet vertical pipe 14, the lower water inlet vertical pipe 14 is in threaded fit with the lower portion of the water sample converter through the external threads, and a lower sample storage cavity 15 is arranged in the lower sample storage barrel 13. The lower sample storage device is mainly characterized in that after the water sample converter is started, the lower sample storage cavity 15 of the water sample converter can be communicated with the upper sample storage cavity 12 and can receive a water sample from the upper sample storage cavity 12, and finally, the storage of the first sample water liquid is finished, and the whole lower sample storage cylinder 13 is installed in a threaded screwing mode, so that the positioning and dismounting flexibility can be facilitated.

In any of the above solutions, preferably, the water sample converter includes an outer through riser 16, an inner through riser 17 is coaxially disposed inside the outer through riser 16, an upper portion and a lower portion of a diversion through cavity 9 of the inner through riser 17 are both cylindrical cavities 901, internal threads are disposed on inner side walls of the cylindrical cavities 901, the cylindrical cavities 901 located on the upper portion are screwed with the water sample delivery pipe 10 in a threaded sealing manner through the internal threads, the cylindrical cavities 901 located on the lower portion are screwed with the lower water inlet riser 14 in a threaded sealing manner through the internal threads, two sides of a middle portion of the inner through riser 17 are respectively and outwardly protruded in an arc shape to form a valve core mounting cavity 902 inside the inner through riser 17, a cylindrical valve core 19 is mounted inside the valve core mounting cavity 902 in a matched manner, the cylindrical valve core 19 is disposed on a curved outer side wall of the cylindrical valve core 19, when the two valve core channels 24 and the inner through riser 17 are in a communicating state, two ends of the cylindrical valve core 19 are respectively and fixedly connected with each other through a connecting shaft 20 of the end portion and are movably inserted into a corresponding annular through shaft 21 and are mounted in the annular through riser 16, and the annular through riser 17 is fixedly connected with an annular shaft 21, and the inner end of the inner through riser is mounted inside the annular riser 17 is fixedly connected with an annular riser 17, and the annular through riser is mounted inside the inner end 21 is mounted inside the annular riser 16, and is fixedly connected with the inner end is mounted inside the annular riser 16, and is mounted inside the inner riser is mounted with the inner riser is mounted inside 16, and is mounted inside the annular through the inner riser is mounted. The function of the water sample converter is that the lower sample storage cavity 15 can be communicated with or cut off from the upper sample storage cavity 12, when the water flow in the upper sample storage cavity 12 needs to be transferred to the inside of the lower sample storage cavity 15, the remote control motor 22 for controlling the water sample converter works and drives the corresponding cylindrical valve core 19 to rotate in a fixed shaft manner, so that the valve channel 24 is in a vertical opening state, water liquid transfer can be completed at the moment, meanwhile, cut-off can be realized by closing the valve channel 24 after transfer is completed, and the whole operation is faster and more flexible.

Example 2: the utility model provides a sewage detection sampling mechanism, includes lofting upright tube 1, the upper and lower both ends of lofting upright tube 1 all link up the setting lofting open cavity 2 inside of lofting upright tube 1 is coaxial arrangement in proper order from bottom to top has lower part reservoir, water sample converter, upper portion reservoir in lower part reservoir below lofting open cavity 2 internal thread of lofting upright tube 1 closes soon installs lower part bearing ring flange 3 lofting upright tube 1's of upper portion reservoir top lofting open cavity 2 internal thread closes soon installs an upper portion bearing ring flange 4, the upper portion water inlet riser 5 activity at upper portion reservoir top is sealed to be worn out upper portion bearing ring flange 4's centre bore and stretch to its top hanging lug seat 6 is fixed mounting respectively at upper portion bearing ring flange 4's both ends top, two connect by hanging rope 7 between hanging lug seat 6, hanging rope 7's top is through lifting hook connection rope 8.

In any of the above schemes, preferably, the upper sample storage device comprises an upper sample storage tube 18 coaxially mounted in the upper sample discharge through cavity 2, a water sample delivery tube 10 is arranged at the bottom center of the upper sample storage tube 18, external threads are arranged on the outer side wall of the water sample delivery tube 10, the water sample delivery tube 10 is in threaded fit with the lower part of the water sample converter through the external threads, the upper water inlet vertical tube 5 is arranged at the top center of the upper sample storage tube 18 in a protruding mode, a water inlet electromagnetic control valve 11 with a battery is arranged on the lower outer side wall of the upper water inlet vertical tube 5, the water inlet electromagnetic control valve 11 adopts a remote control electromagnetic valve and is controlled to open and close by sampling personnel in a remote control mode in a use state, and an upper sample storage cavity 12 is arranged in the upper sample storage tube 18.

The upper sample storage device has the effects that the water sample of the first water level can be directly led into the upper sample storage cavity 12 to be temporarily stored by opening the top water inlet electromagnetic control valve 11 during primary sampling, after the inside of the upper sample storage cavity 12 is fully sampled, the water inlet electromagnetic control valve 11 is controlled to be closed, the corresponding cylindrical valve core 19 is driven to rotate by the remote control motor 22 of the water sample converter and reaches the opening station of the valve path channel 24, the water sample temporarily stored in the upper sample storage cavity 12 can quickly flow into the lower sample storage cavity 15 by means of the valve path channel 24, the valve path channel 24 is controlled to be closed after enough safe time is reserved according to waiting time, the storage of the first sampling is finished at the moment, the water inlet electromagnetic control valve 11 is opened again to finish the second sampling, and the water inlet electromagnetic control valve 11 is closed after the sampling is finished.

The first and second samplings are at different water levels and all are through the top feed, so the upper sample storage cavity 12 can be used as a temporary storage space for the first sampling and a final sample storage space for the second sampling during the first sampling.

In any of the above schemes, preferably, the lower sample storage device comprises a lower sample storage barrel 13 coaxially matched and installed in the lower sample discharge through cavity 2, a lower water inlet vertical pipe 14 is arranged in a protruding mode at the center of the top of the lower sample storage barrel 13, external threads are arranged on the outer side wall of the lower water inlet vertical pipe 14, the lower water inlet vertical pipe 14 is in threaded fit with the lower portion of the water sample converter through the external threads, and a lower sample storage cavity 15 is arranged in the lower sample storage barrel 13.

The lower sample storage device is mainly characterized in that after the water sample converter is started, the lower sample storage cavity 15 of the water sample converter can be communicated with the upper sample storage cavity 12 and can receive a water sample from the upper sample storage cavity 12, and finally, the storage of the first sample water liquid is finished, and the whole lower sample storage cylinder 13 is installed in a threaded screwing mode, so that the positioning and dismounting flexibility can be facilitated.

In any of the above solutions, preferably, the water sample converter includes an outer through riser 16, an inner through riser 17 is coaxially disposed inside the outer through riser 16, an upper portion and a lower portion of a diversion through cavity 9 of the inner through riser 17 are both cylindrical cavities 901, internal threads are disposed on inner side walls of the cylindrical cavities 901, the cylindrical cavities 901 located on the upper portion are screwed with the water sample delivery pipe 10 in a threaded sealing manner through the internal threads, the cylindrical cavities 901 located on the lower portion are screwed with the lower water inlet riser 14 in a threaded sealing manner through the internal threads, two sides of a middle portion of the inner through riser 17 are respectively and outwardly protruded in an arc shape to form a valve core mounting cavity 902 inside the inner through riser 17, a cylindrical valve core 19 is mounted inside the valve core mounting cavity 902 in a matched manner, the cylindrical valve core 19 is disposed on a curved outer side wall of the cylindrical valve core 19, when the two valve core channels 24 and the inner through riser 17 are in a communicating state, two ends of the cylindrical valve core 19 are respectively and fixedly connected with each other through a connecting shaft 20 of the end portion and are movably inserted into a corresponding annular through shaft 21 and are mounted in the annular through riser 16, and the annular through riser 17 is fixedly connected with an annular shaft 21, and the inner end of the inner through riser is mounted inside the annular riser 17 is fixedly connected with an annular riser 17, and the annular through riser is mounted inside the inner end 21 is mounted inside the annular riser 16, and is fixedly connected with the inner end is mounted inside the annular riser 16, and is mounted inside the inner riser is mounted with the inner riser is mounted inside 16, and is mounted inside the annular through the inner riser is mounted.

The function of the water sample converter is that the lower sample storage cavity 15 can be communicated with or cut off from the upper sample storage cavity 12, when the water flow in the upper sample storage cavity 12 needs to be transferred to the inside of the lower sample storage cavity 15, the remote control motor 22 for controlling the water sample converter works and drives the corresponding cylindrical valve core 19 to rotate in a fixed shaft manner, so that the valve channel 24 is in a vertical opening state, water liquid transfer can be completed at the moment, meanwhile, cut-off can be realized by closing the valve channel 24 after transfer is completed, and the whole operation is faster and more flexible.

In any of the above embodiments, it is preferable that the cylindrical valve element 19 is made of rubber.

The cylindrical valve core 19 made of rubber can better ensure the sealing and abutting with the peripheral side wall, so that the sealing and cutting-off effect is improved, and leakage is prevented.

In any of the above embodiments, it is preferable that the number of the valve passages 24 is two, and the two valve passages 24 are spaced and symmetrically arranged.

The provision of a suitable number of valve passages 24 can effectively increase the efficiency of the upper sampling liquid in the downward flow transfer and increase the flow rate.

In any of the above embodiments, the volume of the lower sample storage cavity 15 is preferably larger than the volume of the upper sample storage cavity 12.

The volume of the lower sample storage cavity 15 is larger than that of the upper sample storage cavity 12, so that the water sample entering the upper part for the first time can be guaranteed to completely flow into the lower sample storage cavity 15 when flowing downwards, the water sample of the first water intake water level is prevented from remaining in the upper sample storage cavity 12, and the relative purity of the water sample entering the upper sample storage cavity 12 for the second time is guaranteed. When the water in the upper sample storage cavity 12 flows downwards, a very small amount of water may adhere to the inner wall of the upper sample storage cavity, and the water sample precision after sub-sampling is not affected within the allowable error range, so that the influence of the residual very small amount of water on the side wall is not considered.

The specific working principle is as follows:

This sewage detects sampling mechanism can assemble whole sampling mechanism according to the user demand before taking a sample, after the equipment finishes with sampling mechanism connection sampling rope 8, handheld sampling rope 8 and with sewage detection sampling mechanism vertical put into the surface of water, sink according to self gravity, can control the sample depth through the length of control sampling rope 8 that has the scale sign, after reaching appointed degree of depth, the electromagnetic control valve 11 of intaking of remote control upper portion sample storage ware opens, the water sample of this water level can flow into upper portion sample storage cavity 12 inside this moment, wait sufficient time, then control electromagnetic control valve 11 of intaking closes, accomplish first water level sample this moment.

After the first water level sampling is completed, the water sample converter is started, the valve channel 24 in the water sample converter is started after the water sample converter is started, the primary sample liquid in the upper sample storage cavity 12 can flow to the lower sample storage cavity 15 under the action of gravity, the water sample converter is controlled to be closed after waiting for a sufficient period of time, the water inlet electromagnetic control valve 11 is controlled to be opened again at the moment, the sampling of the second water level is carried out, the water sample in the upper sample storage cavity 12 is filled after waiting for a sufficient time, the remote control water electromagnetic control valve is closed at the moment, and the sampling of two different water levels is completed at the moment.

After the sampling is completed, the whole sewage detection sampling mechanism can be taken out and the water sample is poured by the sample-extracting rope 8, when the water sample is poured, the water electromagnetic control valve is controlled to open to pour the water sample in the upper sample storage cavity 12, the lower supporting flange plate 3 is screwed out, and meanwhile, the lower sample storage device is screwed and detached, so that the water sample in the lower sample storage device can be poured.

The sewage detection sampling mechanism can realize controlling the whole sampling mechanism to be put into different sampling depths for sampling after being directly connected by the sampling rope 8 during sampling, and simultaneously, the lower sample storage device and the upper sample storage device of the sampling mechanism can realize storing two water samples according to the arrangement, so that double-water-level sampling and independent storing are realized; when water samples are sampled, the upper sample storage device can be used for realizing the sampling of two water levels, the water samples entering from the upper part are controlled to be quickly transferred into the lower sample storage device and effectively stored by controlling the opening and the conversion of the water sample converter, the water flows entering from the upper part can be prevented from entering again by controlling the closing after the transfer is finished, and the water inlet electromagnetic control valve 11 is controlled to be closed before the opening of the water sample converter is controlled; the volume of the lower sample storage cavity 15 is larger than that of the upper sample storage cavity 12, so that the water sample entering the upper part for the first time can be ensured to completely flow into the lower sample storage cavity 15 when flowing downwards, the water sample of the first water intake water level is prevented from remaining in the upper sample storage cavity 12, and the relative purity of the water sample entering the upper sample storage cavity 12 for the second time is ensured; the upper supporting flange 4 is matched with the lower supporting flange 3 to position the lower sample storage device, the water sample converter and the upper sample storage device in the lofting through cavity 2, when the water sample is poured out after sampling is completed, the water electromagnetic control valve is controlled to open the water sample in the upper sample storage cavity 12, the lower supporting flange 3 is screwed out, and the lower sample storage device is detached in a screwing mode at the same time, so that the water sample in the lower sample storage device can be poured out.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions; any alternative modifications or variations to the embodiments of the present utility model will fall within the scope of the present utility model for those skilled in the art.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims

1. The utility model provides a sewage detection sampling mechanism which characterized in that: the automatic sampler comprises a lofting vertical cylinder, the upper end and the lower end of the lofting vertical cylinder are all communicated, a lower sampler, a water sample converter and an upper sampler are coaxially arranged in a lofting through cavity of the lofting vertical cylinder from bottom to top, a lower supporting flange plate is rotatably arranged in the lofting through cavity of the lofting vertical cylinder below the lower sampler, an upper supporting flange plate is rotatably arranged in the lofting through cavity of the lofting vertical cylinder above the upper sampler, an upper water inlet vertical pipe at the top of the upper sampler is movably and hermetically penetrated out of a central hole of the upper supporting flange plate and extends to the upper side of the upper supporting flange plate, hanging lug bases are fixedly arranged at the tops of the two ends of the upper supporting flange plate respectively, hanging ropes are connected between the hanging lug bases, and the tops of the hanging ropes are connected with sampling ropes through hanging hooks.

2. A sewage detection sampling mechanism according to claim 1, wherein: the upper sample storage device comprises an upper sample storage cylinder which is coaxially matched and installed on the upper part in the lofting through cavity, a water sample delivery pipe is arranged at the center of the bottom of the upper sample storage cylinder, an external thread is arranged on the outer side wall of the water sample delivery pipe, the water sample delivery pipe is in threaded fit with the lower part of the water sample converter through the external thread, an upper water inlet vertical pipe is arranged at the center of the top of the upper sample storage cylinder in a protruding mode, a water inlet electromagnetic control valve with a battery is arranged on the outer side wall of the lower part of the upper water inlet vertical pipe, the water inlet electromagnetic control valve adopts a remote control type electromagnetic valve, and is controlled to be opened and closed by sampling personnel in a remote control mode under a using state, and an upper sample storage cavity is arranged in the upper sample storage cylinder.

3. A sewage detection sampling mechanism according to claim 2, wherein: the lower sample storage device comprises a lower sample storage cylinder coaxially matched and installed in the lower sample discharge through cavity, a lower water inlet vertical pipe is arranged in the center of the top of the lower sample storage cylinder in a protruding mode, external threads are arranged on the outer side wall of the lower water inlet vertical pipe, the lower water inlet vertical pipe is in threaded fit with the lower portion of the water sample converter through the external threads, and a lower sample storage cavity is formed in the lower sample storage cylinder.

4. A sewage detection sampling mechanism according to claim 3, wherein: the water sample converter comprises an outer through vertical pipe, an inner through vertical pipe is coaxially arranged in the outer through vertical pipe, the upper part and the lower part of a diversion through cavity of the inner through vertical pipe are both cylindrical cavities, internal threads are respectively arranged on the inner side wall of each cylindrical cavity, the cylindrical cavity positioned at the upper part is in threaded sealing screwing with the water sample delivery pipe through the internal threads, the cylindrical cavity positioned at the lower part is in threaded sealing screwing with the lower water inlet vertical pipe through the internal threads, two sides of the middle part of the inner through vertical pipe are respectively outwards arc-shaped bulges and form a valve core installation cavity in the inner part of the valve core installation cavity, a cylindrical valve core is installed in the inner part of the valve core installation cavity in a matched manner, a valve path channel is arranged on the curved surface outer side wall of the cylindrical valve core, when the two valve path channels and the inner through vertical pipes are in a communication state, the cylindrical valve core is in an open state, two ends of the cylindrical valve core are respectively movably and hermetically inserted into the mounting rotating holes of the inner through vertical pipes at corresponding positions through connecting shafts fixedly connected with the ends of the cylindrical valve core, the outer ends of the connecting shafts at one end extend into annular mounting spaces between the outer through vertical pipes and the inner through vertical pipes and are connected with a remote control motor fixed on the inner wall of the outer through vertical pipes, the remote control motor is provided with a power supply, and the outer through vertical pipes and the top and the bottom of the inner through vertical pipes are respectively fixedly connected through annular connecting discs and the top and the bottom of the annular mounting spaces are plugged.

5. The wastewater treatment sampling mechanism of claim 4, wherein: after the primary sampling of the upper sample storage device is completed, the sewage sample liquid in the upper sample storage device flows to the lower sample storage device for internal storage after being transferred by the water sample converter in an opening state.

6. The wastewater treatment sampling mechanism of claim 5, wherein: the cylindrical valve core is made of rubber materials.

7. The wastewater treatment sampling mechanism of claim 6, wherein: the number of the valve path channels is two, and the two valve path channels are arranged at intervals and symmetrically.

8. The wastewater treatment sampling mechanism of claim 7, wherein: the volume of the lower sample storage cavity is larger than that of the upper sample storage cavity.