CN213813003U - Be used for polluting water sample depthkeeping sampler - Google Patents
Be used for polluting water sample depthkeeping sampler Download PDFInfo
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- CN213813003U CN213813003U CN202022478697.7U CN202022478697U CN213813003U CN 213813003 U CN213813003 U CN 213813003U CN 202022478697 U CN202022478697 U CN 202022478697U CN 213813003 U CN213813003 U CN 213813003U
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Abstract
The utility model discloses a be used for polluting water sample depthkeeping sampler, include: the sampling shell comprises an outer shell and an inner shell, wherein a sliding block is arranged on the cross section of the inner shell, and the sliding block is connected with the bottom of the inner shell through a spring; a plug pin is arranged at a set height of the inner shell, a first electromagnet is arranged on the outer side of the plug pin, and the first electromagnet is electrified to exert outward attraction force on the plug pin, so that the plug pin is pulled out from the side wall of the inner shell and loses the limiting effect on the sliding block; the top of the inner shell is provided with a second electromagnet, and the sliding block at least comprises a part made of ferromagnetic substances; the sampling tube is arranged in the sampling shell, the sampling end of the sampling tube is fixed on the inner shell wall, the sampling port extends out of the sampling shell, and the tail end of the piston of the sampling tube is connected to the sliding block; the sampling port of the sampling tube is provided with a one-way valve, and the periphery of the one-way valve is provided with a sealing ring.
Description
Technical Field
The utility model belongs to the technical field of the water sample sampler, concretely relates to be used for polluting groundwater/surface water sample depthkeeping sampler.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
The groundwater/surface water sampling technology is one of the key links of water quality detection accuracy, and plays an important role in groundwater and surface water pollution investigation and research. With the increasing severity of the water environment pollution problem, the underground water/surface water sampling technology is more important at home and abroad, and a series of sampling devices are developed.
Water sampling methods are roughly divided into two categories: sampling and in-situ sampling, wherein the sampling is to extract underground water/surface water into a specific container, and the water sample adopted by the method is easily influenced by factors such as sampling disturbance, aeration, negative pressure, headspace, illumination, contact with other aquifers or external atmosphere and the like, particularly pollutants such as volatile organic matters, reducing inorganic matters and the like influence the accuracy of water sample detection to a certain extent. In-situ sampling is to put water into a sampling device in situ at a position to be sampled, so that the disturbance in the sampling process is small, and the influence on the stability of a water sample detection index is small.
The kind of normal position sampler among the prior art is less, and there is the sample connection sealed not tight after the sample in addition generally, leads to the water sample in the sampler to reveal or with the water contact of other water layers, influences the accuracy that detects.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a pollute water sample depthkeeping sampler. The sampler can realize the effects of factors such as no disturbance, no aeration, no negative pressure, headspace prevention, light avoidance, air isolation, other aquifer water and the like of a water quality sample after the water sample is extracted at a fixed depth.
In order to solve the above technical problem, one or more embodiments of the present invention provide the following technical solutions:
a contaminated water sample depthkeeping water sample sampler comprising:
the sampling shell comprises an outer shell and an inner shell, wherein a sliding block is arranged on the cross section of the inner shell, and the sliding block is connected with the bottom of the inner shell through a spring; a bolt is arranged at a set position of the inner shell, a first electromagnet is arranged on the outer side of the bolt, and the first electromagnet is electrified to exert outward attraction on the bolt, so that the bolt is pulled out from the side wall of the inner shell and loses the limiting effect on the sliding block;
the top of the inner shell is provided with a second electromagnet, and the sliding block at least comprises a part made of ferromagnetic substances;
the sampling tube is arranged in the sampling shell, the sampling end of the sampling tube is fixed on the inner shell wall, the sampling port extends out of the sampling shell, and the tail end of the piston of the sampling tube is connected to the sliding block; the sampling tube is dark brown plastic tubing, prevents light pollution, and its upper portion sample connection one side is provided with the bayonet rubber intake, makes things convenient for the later stage laboratory to extract the sample and detects.
The sampling port of the sampling tube is provided with a one-way valve, and the periphery of the one-way valve is provided with a sealing ring.
The pull rope is high-strength and free of tensile deformation, a power-on wire and a cable with scales are arranged in the pull rope, the upper end of the pull rope is connected with a storage battery power supply, and the tail end of the pull rope is connected with the sampler.
Compared with the prior art, the utility model discloses an above one or more technical scheme have gained following beneficial effect:
when needing to take a sample, the electric wire stay cord with the scale is connected the sample casing, take scale electric wire stay cord upper end connection power, drop into the water with the sampler, make the sampler sink to the predetermined degree of depth department of water, open the power, circular telegram first electro-magnet and second electro-magnet, first electro-magnet attracts the bolt, make the bolt outwards extract from the inner shell lateral wall, lose the restriction to the slider, the slider is under the dual function of spring force and second electro-magnet appeal, slide to the top of sampler, and then drive the piston of sampling tube outwards removal, the check valve is opened under the negative pressure, carry out the water sample.
Because the existence of second electro-magnet for when the sample was ended, the spring was in certain tensile state, with the second electro-magnet outage back, the spring resets, and the pulling slider removes to the sample connection direction, and the check valve is closed rapidly under the impact of rivers, because be provided with the sealing washer around the check valve, can realize good sealed, prevents revealing of water sample.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural view of a cross-sectional view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fitting relationship between the check valve and the housing according to an embodiment of the present invention.
In the figure, 1, a second electromagnet, 2, an outer shell, 3, an inner shell, 4, a thin iron sheet, 5, a guide rod, 6, a plug pin, 7, a first electromagnet, 8, a return spring, 9, a sliding block, 10, a balance weight, 11, a spring, 12, a piston, 13, a one-way valve, 14, a one-way valve body, 15, a sealing ring, 16, a hook, 17 and a second sealing ring.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
A contaminated water sample depthkeeping sampler comprising:
the sampling shell comprises an outer shell and an inner shell, wherein a sliding block is arranged on the cross section of the inner shell, and the sliding block is connected with the bottom of the inner shell through a spring; a plug pin is arranged at a set height of the inner shell, a first electromagnet is arranged on the outer side of the plug pin, and the first electromagnet is electrified to exert outward attraction force on the plug pin, so that the plug pin is pulled out from the side wall of the inner shell and loses the limiting effect on the sliding block;
the top of the inner shell is provided with a second electromagnet, and the sliding block at least comprises a part made of ferromagnetic substances;
the sampling tube is arranged in the sampling shell, the sampling end of the sampling tube is fixed on the inner shell wall, the sampling port extends out of the sampling shell, and the tail end of the piston of the sampling tube is connected to the sliding block;
the sampling tube is dark brown plastic tubing, prevents light pollution, and its upper portion sample connection one side is provided with the bayonet rubber intake, makes things convenient for the later stage laboratory to extract the sample and detects.
The sampling port of the sampling tube is provided with a one-way valve, and the periphery of the one-way valve is provided with a sealing ring.
For ease of installation, the first electromagnet may be provided on an inner wall of the housing.
The number of the bolts and the first electromagnets is not limited to 1, and can be a plurality; the quantity of the bolts is the same as that of the first electromagnets, and the positions of the bolts correspond to those of the first electromagnets one by one.
The stay cord is high strength, no tensile deformation, embeds circular telegram wire and has the cable of scale, and the upper end is connected with the battery power, and the end is connected with the top of sampler for circular telegram to the electro-magnet.
Also, the number of springs is not limited to 1, and may be more than one, preferably evenly distributed around the sampling tube, to achieve better jacking and pulling forces.
In some embodiments, a weight is disposed between the inner and outer shells of the sampling housing.
Because water has great buoyancy, set up the counter weight and can make the sampler sink to the degree of depth of setting for.
In some embodiments, at least one sidewall of the sampling housing can be openably and closably disposed.
At least one lateral wall with sample casing sets up to opening and shutting the setting, takes out the back with the sampler from the water, can open this lateral wall that can open and shut, takes out the sampling tube after the sample to in the detection of carrying out follow-up water sample.
Furthermore, the sampling end of the sampling tube is provided with a guide rail matched with the inner wall of the sampling shell.
The guide rail can be of various structures, such as: the sampling end of the sampling tube is provided with a linear bulge, the inner wall of the sampling shell is provided with a linear groove, and the linear bulge is matched with the linear groove to position and install the sampling tube. The matching is a conventional matching mode, namely, the linear protrusion and the linear groove are both provided with the expanded parts, so that the linear protrusion can be clamped in the linear groove.
Furthermore, the sliding block is provided with a groove which is matched with the tail end of the sampling tube piston.
Under general conditions, the end of sampling tube piston is the flat body structure, and extends to both sides, sets up on the slider with this structure complex recess, promptly: the inner diameter of the groove is larger than the diameter of the opening of the groove, so that the tail end of the sampling tube piston is inserted into the groove of the sliding block to push the sampling tube inwards while the sampling end of the sampling tube is matched with the track between the sampling shell and the groove conveniently, and the mounting of the sampling tube can be realized; the sampling tube can be fixed, and the movement of the sampling tube in the sampling process is prevented.
In some embodiments, the pin and the inner wall of the hole for matching with the pin are both smooth.
So as to conveniently and timely pull out the bolt and further timely take samples.
Furthermore, a return spring is sleeved on the bolt and connected between the tail end of the bolt and the inner shell.
The existence of reset spring can avoid the bolt to follow the inner shell landing under the effect of the attraction force of first electro-magnet, and after first electro-magnet outage, the bolt resets under reset spring's pulling force, and then realizes spacing to the slider.
When the sampler after the sample is pulled to the water surface, the sampling tube can be replaced by a new sampling tube in the sampling shell after being taken out, and the next water sample is sampled.
In some embodiments, the inner wall of the sampling port is provided with an annular recess, and the annular recess is matched with the one-way valve.
Furthermore, the edge of the outer side of the one-way valve is provided with a hook, a groove is arranged at the corresponding position of the annular recess, and a limiting structure matched with the hook is arranged in the groove.
When the check valve is closed under the action of water flow impact, the hooks are inserted into the grooves and fixed on the limiting structures in the grooves, so that the check valve can be prevented from being opened. Simultaneously, because the fastening of couple for sealed tighter prevents revealing of water sample.
Furthermore, a second sealing ring is arranged on the outer side of the hook of the check valve, and the thickness of the second sealing ring is larger than the depth of the groove.
When the one-way valve is closed, the second sealing ring is in interference fit with the groove, and two-stage sealing is achieved.
In some embodiments, the sampling tube further comprises a cap body, wherein the cap body is matched with the sampling opening of the sampling tube.
After taking out the sampling tube, cover the lid on the sample connection, protect the water sample in the sampling tube.
Examples
As shown in fig. 1, a water sampler includes:
the sampling shell comprises an outer shell 2 and an inner shell 3, wherein a sliding block 9 is arranged on the cross section of the inner shell 3, and the sliding block 9 is connected with the bottom of the inner shell 3 through a spring 11; a plug pin 6 is arranged at a set height position of the inner shell 3, the length of the plug pin 6 is greater than the thickness of the side wall of the inner shell 3, a first electromagnet 7 is arranged on the outer side of the plug pin 6, the first electromagnet 7 is electrified to exert outward attraction force on the plug pin 6, so that the plug pin 6 is pulled out of the side wall of the inner shell 3 and loses the limiting effect on the sliding block 9;
the second electromagnet 1 is arranged on the top of the inner shell 3, and the sliding block 9 at least comprises a part made of ferromagnetic substances, in this embodiment, a thin iron sheet 4, so as to reduce the mass of the sampling shell.
The sampling tube is arranged in the sampling shell, the sampling end of the sampling tube is fixed on the wall of the inner shell, the sampling port extends out of the sampling shell, and the tail end of the piston 12 of the sampling tube is connected to the sliding block;
a one-way valve 13 is arranged at the sampling port of the sampling tube, and a sealing ring 15 is arranged around the one-way valve 13.
For ease of installation, the first electromagnet may be provided on an inner wall of the housing.
The number of the bolts 6 and the first electromagnets 7 is not limited to 1, and may be plural; the number of the bolts 6 is the same as that of the first electromagnets 7, and the positions of the bolts correspond to those of the first electromagnets one by one. In this embodiment, the number of the bolts 6 and the number of the first electromagnets 7 are two, and the bolts and the first electromagnets are symmetrically arranged.
Also, the number of springs 11 is not limited to 1, and may be more than one, preferably evenly distributed around the coupon, to achieve better jacking and pulling forces. In this embodiment, the number of springs is 2, symmetrically disposed around the sampling tube.
The inner shell of the sampling shell is provided with a counterweight 10 between the outer shells. Because water has great buoyancy, set up the counter weight and can make the sampler sink to the degree of depth of setting for.
One side wall of the sampling shell can be opened and closed to form a door body structure. After taking out the sampler from the water, can open this door that can open and shut, take out the sampling tube after the sample to carry out the detection of follow-up water sample. Simultaneously, the back is taken out to the sampling tube after will taking a sample, can also put into the sample casing again with clean sampling tube, carries out the sample of next water sample.
The sampling end of the sampling tube is provided with a guide rail matched with the inner wall of the sampling shell. Such as: the sampling end of the sampling tube is provided with a linear bulge, the inner wall of the sampling shell is provided with a linear groove, and the linear bulge is matched with the linear groove to position and install the sampling tube. The matching is a conventional matching mode, namely, the linear protrusion and the linear groove are both provided with the expanded parts, so that the linear protrusion can be clamped in the linear groove.
The sliding block is provided with a groove which is matched with the tail end of the sampling tube piston. Under general conditions, the end of sampling tube piston is the flat body structure, and extends to both sides, sets up on the slider with this structure complex recess, promptly: the inner diameter of the groove is larger than the diameter of the opening of the groove, so that the tail end of the sampling tube piston is inserted into the groove of the sliding block to push the sampling tube inwards while the sampling end of the sampling tube is matched with the track between the sampling shell and the groove conveniently, and the mounting of the sampling tube can be realized; the sampling tube can be fixed, and the movement of the sampling tube in the sampling process is prevented.
Bolt 6 and with the equal smooth setting of 6 complex downthehole walls of bolt. So as to conveniently and timely pull out the bolt and further timely take samples. The bolt is sleeved with a return spring 8, and the return spring 8 is connected between the tail end of the bolt and the inner shell. The existence of reset spring 8 can avoid the bolt to follow the inner shell landing under the effect of the attraction of first electro-magnet 7, and after first electro-magnet 7 outage, the bolt resets under reset spring 8's pulling force, and then realizes spacing to slider 9.
When the sampler after the sample is pulled to the water surface, the sampling tube can be replaced by a new sampling tube in the sampling shell after being taken out, and the next water sample is sampled.
The shell is cleaned after each sampling, so that pollution to the next sampling is prevented.
In order to be convenient to carry, the upper part of the sampler is provided with a wire pull rope interface with scales, so that the wire pull rope with scales can be conveniently assembled and disassembled. The tail end of the wire pull rope is connected with the battery jar.
As shown in fig. 2, an annular recess is formed on the inner wall of the sampling port around the sampling port, and the annular recess is matched with the check valve 13. The outer side edge of the one-way valve is provided with a hook, a groove is arranged at the corresponding position of the annular recess, and a limiting structure matched with the hook is arranged in the groove.
When the check valve is closed under the action of water flow impact, the hooks are inserted into the grooves and fixed on the limiting structures in the grooves, so that the check valve can be prevented from being opened. Simultaneously, because the fastening of couple for sealed tighter prevents revealing of water sample.
The one-way valve is provided with a second sealing ring 17 on the outer side of the hook, and the thickness of the second sealing ring 17 is larger than the depth of the groove. When the one-way valve is closed, the second sealing ring 17 is in interference fit with the groove, and secondary sealing is achieved.
Still include the lid, the sample connection cooperation of lid and sampling tube takes out the back with the sampling tube in from the sampling shell, closes the sample connection lid with the lid.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a be used for polluting water sample depthkeeping sampler which characterized in that: the method comprises the following steps:
the sampling shell comprises an outer shell and an inner shell, wherein a sliding block is arranged on the cross section of the inner shell, and the sliding block is connected with the bottom of the inner shell through a spring; a plug pin is arranged at a set height of the inner shell, a first electromagnet is arranged on the outer side of the plug pin, and the first electromagnet is electrified to exert outward attraction force on the plug pin, so that the plug pin is pulled out from the side wall of the inner shell and loses the limiting effect on the sliding block;
the top of the inner shell is provided with a second electromagnet, and the sliding block at least comprises a part made of ferromagnetic substances;
the sampling tube is arranged in the sampling shell, the sampling end of the sampling tube is fixed on the inner shell wall, the sampling port extends out of the sampling shell, and the tail end of the piston of the sampling tube is connected to the sliding block;
the sampling port of the sampling tube is provided with a one-way valve, and the periphery of the one-way valve is provided with a sealing ring.
2. The depthkeeping sampler for contaminated water samples according to claim 1, characterized in that: and a balance weight is arranged between the inner shell and the outer shell of the sampling shell.
3. The depthkeeping sampler for contaminated water samples according to claim 1, characterized in that: at least one side wall of the sampling shell can be opened and closed.
4. A depthkeeping sampler for contaminated water samples according to claim 3, wherein: the sampling end of the sampling tube is provided with a guide rail matched with the inner wall of the sampling shell, the sliding block is provided with a groove, and the groove is matched with the tail end of the sampling tube piston.
5. The depthkeeping sampler for contaminated water samples according to claim 1, characterized in that: the bolt and the inner wall of the hole matched with the bolt are all smoothly arranged.
6. A depthkeeping sampler for contaminated water samples according to claim 5, wherein: the bolt is sleeved with a return spring, and the return spring is connected between the tail end of the bolt and the inner shell.
7. The depthkeeping sampler for contaminated water samples according to claim 1, characterized in that: the inner wall around the sampling port is provided with an annular recess which is matched with the one-way valve.
8. The depthkeeping sampler for contaminated water samples according to claim 7, characterized in that: the outer side edge of the one-way valve is provided with a hook, a groove is arranged at the corresponding position of the annular recess, and a limiting structure matched with the hook is arranged in the groove.
9. The depthkeeping sampler for contaminated water samples according to claim 8, characterized in that: the one-way valve is provided with a second sealing ring on the outer side of the hook, and the thickness of the second sealing ring is larger than the depth of the groove.
10. The depthkeeping sampler for contaminated water samples according to claim 1, characterized in that: still include the lid, the lid cooperates with the sample connection of sampling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022478697.7U CN213813003U (en) | 2020-10-29 | 2020-10-29 | Be used for polluting water sample depthkeeping sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022478697.7U CN213813003U (en) | 2020-10-29 | 2020-10-29 | Be used for polluting water sample depthkeeping sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213813003U true CN213813003U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022478697.7U Active CN213813003U (en) | 2020-10-29 | 2020-10-29 | Be used for polluting water sample depthkeeping sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213813003U (en) |
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2020
- 2020-10-29 CN CN202022478697.7U patent/CN213813003U/en active Active
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