CN102109422B - Handheld soil pore water sampler - Google Patents
Handheld soil pore water sampler Download PDFInfo
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- CN102109422B CN102109422B CN201010592968.XA CN201010592968A CN102109422B CN 102109422 B CN102109422 B CN 102109422B CN 201010592968 A CN201010592968 A CN 201010592968A CN 102109422 B CN102109422 B CN 102109422B
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Abstract
Handheld soil pore water sampler provided by the invention, it is made up of ground unit and underground unit; Unit is made up of manual vacuum generator and sampler on the ground, and underground unit is made up of filtrator; Handheld soil pore water sampler, manually can make vacuum generator produce vacuum at the scene, not need electric power, be specially adapted to field work; Combined by vacuum generator, sampler and filtrator, can primary sample be completed; Then, only need change sampler can sample next time, easy to operate; In whole sampling process, sample does not contact with ground negative pressure generating device, avoids the risk that sample water quality is stained, and ensure that the authenticity of detection.Soil pore water sampler structure is simple, and make easily, volume is little, rapid operation, with low cost, is convenient to promote.
Description
Technical field
The present invention relates to a kind of Handheld soil pore water sampler, be applicable to the sampling of Marsh Wetland soil pore water.
Background technology
The soil pore water sampler generally used at present is made up of ground negative pressure generating device, filtration underground device and sampling jar, connecting pipe etc.According to the difference of ground negative pressure generating device driver element, soil pore water sampler is divided into again manpower to drive and driven by power two kinds.Although driven by power soil pore water sampler can produce enough negative pressure, require higher to field condition, not only need electric power supply, complex operation; Body is heavy, carries and uses inconvenience, and when sampling for Marsh Wetland, due to ponding and mud influence, being unfavorable for mechanical load-bearing and electricity usage safety, being therefore not suitable for field work environment, be difficult to promote the use of; And although manpower drives soil sampler to overcome the restriction of power-actuated scene, because comparatively require great effort, be generally difficult to reach enough negative pressure, sampling quantity is declined, be even difficult to extract the water sample in the larger filtrator of buried depth out, can not sampling be completed.Meanwhile, because do not have enough devices to ensure, sample is in negative pressure state always, and sample quality also can be affected.(list of references: SKPE25 type soil moisture sampler, Beijing Australia does ecological Instrument Ltd., HengXing Building 24G room, No. 89, East Road ,Zhongguangcun ,Haidian District ,Beijing City, postcode: 100190.)
Summary of the invention
For the defect of prior art, the invention provides the Handheld soil pore water sampler of a kind of small volume, more laborsaving, the adaptation field work environment that do not need electric power.
Handheld soil pore water sampler provided by the invention is made up of ground unit and underground unit; Unit is made up of manual vacuum generator and sampler on the ground, and underground unit is made up of filtrator;
Described manual vacuum generator is made up of handle, rotating disk, drive link, piston, piston cylinder and air chamber;
Described handle is that one end has externally threaded zigzag metal crank, and have externally threaded one end to be fixedly connected with circular rotating disk after being connected with the internal thread of sleeve pipe after sleeve, Socket welding is connected on the center of circular rotating disk; Turning handle can drive circular dial rotation; Back up pad is the semi-circular ring that the cylinder body of piston cylinder upwards extends, and the top of this semi-circular ring adopts semicircular plate to seal, and sleeve weld is on the semicircular plate at back up pad top, and its effect is fixed support handle and handle can be rotated in sleeve;
Rotating disk is a disk, and there is the fixed orifice of an internal thread at the place of keeping to the side;
One end of drive link is welded with a drive link set collar, externally threaded standing screw is had to be threaded with fixed orifice through after described drive link set collar, drive link is connected with rotating disk, and dial rotation drives drive link motion and then drives piston to pump in the cylinder body of plug cylinder; The other end of drive link has external thread;
Upper assembly is the central right cylinder for recessed cylindrical cavity of a bottom surface, and described recessed cylindrical cavity has internal thread; Lower assembly is a right cylinder, this cylindrical upper face center has a protruding right cylinder, the right cylinder of described projection and recessed cylindrical cavity fit through screw thread compact siro spinning technology makes assembly and lower assembly become a cylindrical piston, and piston is placed in the cylinder body of piston cylinder;
The right cylinder lower surface of described upper assembly and the right cylinder upper surface intersection of lower assembly have a piston seal groove around piston-cylinder, O-ring seal is placed in piston seal groove, when screwing assembly and lower assembly, O-ring seal in piston seal groove can squeezed and with piston cylinder contact internal walls, reach packed-piston and piston cylinder, further, because O-ring seal has elasticity, compacted glue O-ring seal can not depart from while sealing in piston seal groove;
There is an inverted round stage chamber center on the top of described upper assembly, and the episphere chamber below inverted round stage chamber and upper assembly connects;
Also there are the lower semisphere chamber that a size is the same with the hemisphere chamber of upper assembly in the cylindrical central authorities of described lower assembly, and two hemisphere chambeies form a ball cavity;
Ball is placed in described ball cavity, ball bores female hole, and the other end of drive link is fastenedly connected by external thread and ball; When driven by rotary disc drive link moves, ball can rotate in described round empty cavity, and owing to there being inverted round stage chamber to exist, the motion of drive link can not be limited;
During installation, first dwang one end is threaded with ball, then the other end passes in episphere chamber and inverted round stage chamber from upper assembly, and ball is placed in episphere chamber, finally, by screw thread, upper assembly is connected with lower assembly, cushion rubber is put in the middle part of piston and is connected in the rear semicircular ring groove formed with lower assembly by upper assembly, screw assembly and lower assembly.Then the drive link other end is connected and fixed by drive link set collar and standing screw, fixed orifice and rotating disk, rotating disk is rotated by handle and rotates, and drive piston in piston cylinder, do the to-and-fro movement of vertical direction through drive link, benly be, drive link fixes the distance of center circle of Ring current distribution and rotating disk from the radius not exceeding piston cylinder, to ensure that rotating disk can not collide because of the inwall of drive link and piston cylinder and can not rotate.
Described air chamber is the cavity of a tubular with the end, the circular tube external wall on the top of this cavity has external thread, internal thread is arranged at the bottom of the cylinder body of piston cylinder, both are connected by thread seal, and the cylinder body of piston cylinder and air chamber pipe body contact portion all have a semicircular groove, the hole that their compositions one are circular, the hole of this circle is built-in with cushion rubber and seals;
Side retaining valve and end retaining valve are arranged respectively at the cavity wall of the tubular of described air chamber and bottom, and side retaining valve is similar to the valve core structure of bicycle tube, and it is for the one end open other end is closed, sidewall drives foraminate short tube; Close with the aperture that the good a bit of flexible rubber hose of elasticity is tightly placed in sidewall on the retaining valve of side, and make the aperture closed be exposed to outside the cavity of air chamber with the one end closed, as the air intake opening of side retaining valve after the cavity wall that the openend of side retaining valve runs through air chamber is communicated with air chamber, the aperture of the sidewall of side retaining valve is as the gas outlet of side retaining valve;
The course of work of side retaining valve and air chamber is: if the air pressure of air chamber is greater than the air pressure of the gas outlet of side retaining valve, and the gas in air chamber will strut the sebific duct of closed pores, and namely gas flow out from the gas outlet of side retaining valve and be directly discharged to air; If the air pressure of air chamber is less than the air pressure of the gas outlet of side retaining valve, the sebific duct on the aperture of side retaining valve sidewall is compressed by air pressure, closed side retaining valve, and the gas in air chamber then can not flow out from the gas outlet of side retaining valve.To be that the air intake opening of the gas in a permission air chamber by side retaining valve is unidirectional through gas outlet flow out in air in the effect of side retaining valve;
The structure of end retaining valve is the same with side retaining valve, and the bottom that closed one end of end retaining valve and sidewall aperture run through air chamber is placed in the inside of air chamber, as the gas outlet of end retaining valve; End retaining valve stretches out air chamber, as the air intake opening of end retaining valve after not closing the sealed bottom of one end and air chamber;
The course of work of end retaining valve and air chamber is: if the air pressure of air chamber is less than the air pressure of the gas outlet of end retaining valve, and the gas outside air chamber will strut the sebific duct of closed pores, and namely gas flow into air chamber from the gas outlet of end retaining valve; If the air pressure of air chamber is greater than the air pressure of bill kept on file to valve air gate, sebific duct on the aperture of end retaining valve sidewall is compressed by air pressure, close end retaining valve, gas in air chamber then can not flow out from bill kept on file to valve air gate, and to be that the air intake opening of the gas in a permission air chamber by end retaining valve is unidirectional through gas outlet to valve action flow in air chamber bill kept on file;
The part of air chamber is stretched out in not closed one end of retaining valve at the bottom of the connection of gas outlet one end, and the other end connects sample introduction valve, forms the one-way passage of the gas being led to air chamber by sampler;
Side retaining valve and end retaining valve, during guarantee piston compression, gas is by the unidirectional discharge of air chamber, and can not enter sampler; When piston is mentioned, gas enters air chamber by sampler is unidirectional, and can not suction air, and the sampling bottle that therefore to-and-fro movement of piston can be sampler provides negative pressure;
Described sampler is made up of sampling bottle, drain tap, sample introduction valve and seal rubber plug;
Sampling bottle is sealed by seal rubber plug, and one end of sample introduction valve is run through seal rubber plug and is tightly connected;
The negative pressure that manual vacuum generator produces, can make sampling bottle also produce negative pressure by end retaining valve, gas outlet and sample introduction valve;
When the negative pressure in sampling bottle reaches a threshold value, soil pore water can enter sampling bottle through underground unit, sample introduction valve, the soil aperture water yield of collecting to sampling bottle reaches requirement, close sample introduction valve, drain tap, take off gas outlet and sample feeding pipe, namely complete the once sampling of a sampling spot.
Sample introduction valve one end is run through seal rubber plug and is tightly connected with seal rubber plug, and the other end and sample feeding pipe are tightly connected;
The filtrator of described underground unit is made up of support bar, filtering head and joint;
Filtering head is the hollow circular cylinder be made up of porous ceramics, and the central upper sidewall of filtering head is distributed with micropore, and the bottom of filtering head is water storage room, and soil pore water is gathered in its effect;
Joint is a round tube, one end of joint insert described in water storage room in, to draw soil pore water;
Support bar is the pipe of metal or rigid plastic, and its lower end sticks with glue with the upper end of filtering head and connects or weld, and there is lid on its top, and there is a hole its upper end, and sample feeding pipe is placed in support bar and with the upper end of joint by this hole and is tightly connected; Sample feeding pipe is connected with sample introduction valve; Support bar upper side wall indicates scale, and wherein zero size is counted by the middle part of filtering head, to control the degree of depth that support bar inserts soil;
Support bar outer wall scrapes hair process, makes smooth outer wall become coarse, so as when it to insert downwards soil can with soil close contact, and prevent topsoil water from flowing into predetermined sampled point along tube wall;
By downward masterpiece for stay pipe, drive sample feeding pipe, filtering head enter in the soil to be measured of certain depth, thus reach the object extracting pore water in soil to be measured by support bar.
The course of work of the present invention is: manual vacuum generator, sampler, combination of filters assemble by (1); (2) support bar and sampling head are required to insert in soil according to sampling depth, after 3 hours the holard at predetermined sampled point after the process stabilizations such as diffusion, flowing, carry out sampling operation: the manually-operated vacuum generator of a. left hand, right hand rotation handle, until volume of water sample meets test request; B. subsequently, close sample introduction valve, drain tap, extract gas outlet and sample feeding pipe, take off sampler, namely primary sample operation completes; C., after accessing another sampler, sampling operation next time can be carried out.
Beneficial effect: a kind of soil pore water sampler, manually can make vacuum generator produce vacuum at the scene, not need electric power, be specially adapted to field work; Combined by vacuum generator, sampler and filtrator, can primary sample be completed; Then, only need change sampler can sample next time, easy to operate; In whole sampling process, sample does not contact with ground negative pressure generating device, avoids the risk that sample water quality is stained, and ensure that the authenticity of detection.Soil pore water sampler structure is simple, and make easily, volume is little, rapid operation, with low cost, is convenient to promote.
Accompanying drawing explanation
Fig. 1 is the front view of the ground unit formation schematic diagram of Handheld soil pore water sampler of the present invention.
Fig. 2 is the vertical view of the ground unit formation schematic diagram of Handheld soil pore water sampler of the present invention.
Fig. 3 is the side view of the ground unit formation schematic diagram of Handheld soil pore water sampler of the present invention.
Fig. 4 is the I-I sectional view of Fig. 1.
Fig. 5 is the II-II sectional view of Fig. 2.
Fig. 6 is A enlarged drawing in Fig. 1.
Fig. 7 is B enlarged drawing in Fig. 4.
Fig. 8 is C enlarged drawing in Fig. 4.
Fig. 9 is the sectional view of the underground unit formation schematic diagram of Handheld soil pore water sampler of the present invention.
Figure 10 is the formation schematic diagram of Handheld soil pore water sampler of the present invention.
Embodiment
Embodiment 1
Handheld soil pore water sampler provided by the invention is made up of ground unit and underground unit; Unit is made up of manual vacuum generator and sampler on the ground, and underground unit is made up of filtrator;
As shown in Figures 1 to 10, described manual vacuum generator is made up of handle 1, rotating disk 2, drive link 3, piston 4, piston cylinder 5 and air chamber 6;
As shown in Fig. 1, Fig. 3, Fig. 5, described handle 1 is that one end has externally threaded zigzag metal crank, have externally threaded one end to be fixedly connected with circular rotating disk 2 after being connected with the internal thread of sleeve pipe 31 after sleeve 33, sleeve pipe 31 is welded on the center of circular rotating disk 2; Turning handle 1 can drive circular rotating disk 2 to rotate; Back up pad 27 is the semi-circular ring that the cylinder body of piston cylinder 5 upwards extends, the top of this semi-circular ring adopts semicircular plate to seal, sleeve 33 is welded on the semicircular plate at back up pad 27 top, and its effect is fixed support handle 1 and handle 1 can be rotated in sleeve 33;
Rotating disk 2 is disks, and there is the fixed orifice 32 of an internal thread at the place of keeping to the side;
One end of drive link 3 is welded with a drive link set collar 10, externally threaded standing screw 11 is had to be threaded with fixed orifice 32 through after described drive link set collar 10, drive link 3 is connected with rotating disk 2, and rotating disk 2 rotates and drives drive link 3 move and then drive piston 7 to pump in the cylinder body of plug cylinder 5; The other end of drive link 3 has external thread;
As shown in figs. 4 and 7, upper assembly 4 is the central right cylinders for recessed cylindrical cavity of a bottom surface, and described recessed cylindrical cavity has internal thread; Lower assembly 8 is right cylinders, this cylindrical upper face center has a protruding right cylinder, the right cylinder of described projection and recessed cylindrical cavity fit through screw thread compact siro spinning technology makes assembly 4 and lower assembly 8 become a cylindrical piston 7, and piston 7 is placed in the cylinder body of piston cylinder 5;
The right cylinder lower surface of described upper assembly 4 and the right cylinder upper surface intersection of lower assembly 8 have a piston seal groove around piston-cylinder, O-ring seal 9 is placed in piston seal groove, when screwing assembly and lower assembly, O-ring seal in piston seal groove can squeezed and with piston cylinder contact internal walls, reach packed-piston and piston cylinder, further, because O-ring seal has elasticity, compacted glue O-ring seal can not depart from while sealing in piston seal groove;
There is an inverted round stage chamber 28 center on the top of described upper assembly 4, and inverted round stage chamber 28 connects with the episphere chamber 29 below upper assembly 4;
The cylindrical central authorities of described lower assembly 8 also have the hemisphere chamber, 30, two, lower semisphere chamber that a size is the same with the hemisphere chamber 29 of upper assembly 4 to form a ball cavity;
Ball 12 is placed in described ball cavity, and ball 12 bores female hole, and the other end of drive link 3 is fastenedly connected by external thread and ball 12; When rotating disk 2 drives drive link 3 to move, ball 12 can rotate in described round empty cavity, and owing to there being inverted round stage chamber 28 to exist, the motion of drive link 3 can not be limited;
During installation, first dwang 3 one end is threaded with ball 12, then the other end passes in episphere chamber 29 and inverted round stage chamber 28 from upper assembly 4, and ball 12 is placed in episphere chamber 29, finally, by screw thread, upper assembly 4 is connected with lower assembly 8, cushion rubber 9 is put in the middle part of piston 7 and is connected in the rear semicircular ring groove formed with lower assembly 8 by upper assembly 4, screw assembly 4 and lower assembly 8.Then drive link 3 other end is connected and fixed by drive link set collar 10 and standing screw 11, fixed orifice 32 and rotating disk 2.Rotating disk 2 is rotated by handle 1 and rotates, and drives piston 7 in piston cylinder 5, do the to-and-fro movement of vertical direction through drive link 3.Ben, the center of drive link set collar 10 and the distance of center circle of rotating disk 2 from the radius not exceeding piston cylinder 5, to ensure that rotating disk 2 can not can not rotate because drive link 3 collides with the inwall of piston cylinder 5.
As shown in Figure 4 and Figure 8, described air chamber 6 is cavitys of a tubular with the end, the circular tube external wall on the top of this cavity has external thread, internal thread is arranged at the bottom of the cylinder body of piston cylinder 5, both are connected by thread seal, and the cylinder body of piston cylinder 5 and air chamber 6 pipe body contact portion all have a semicircular groove, they form a circular hole, and the hole of this circle is built-in with cushion rubber 13 and seals;
Side retaining valve 14 and end retaining valve 15 are arranged respectively at the cavity wall of the tubular of described air chamber 6 and bottom, and side retaining valve 14 is similar to the valve core structure of bicycle tube, and it is for the one end open other end is closed, sidewall drives foraminate short tube; Close with the aperture that the good a bit of flexible rubber hose of elasticity is tightly placed in sidewall on side retaining valve 14, and make the aperture closed be exposed to outside the cavity of air chamber 6 with the one end closed, as the air intake opening of side retaining valve 14 after the cavity wall that the openend of side retaining valve 14 runs through air chamber 6 is communicated with air chamber 6, the aperture of the sidewall of side retaining valve 14 is as the gas outlet of side retaining valve 14.Side retaining valve 14 with the course of work of air chamber 6 is: if the air pressure of air chamber 6 is greater than the air pressure of the gas outlet of side retaining valve 14, the gas in air chamber 6 will strut the sebific duct of closed pores, and namely gas flow out from the gas outlet of side retaining valve 14 and be directly discharged to air; If the air pressure of air chamber 6 is less than the air pressure of the gas outlet of side retaining valve 14, the sebific duct on the aperture of side retaining valve 14 sidewall is compressed by air pressure, closed side retaining valve 14, and the gas in air chamber 6 then can not flow out from the gas outlet of side retaining valve 14.The effect of side retaining valve 14 is that the gas in a permission air chamber 6 flows out in air by the air intake opening of side retaining valve 14 is unidirectional through gas outlet.
The structure of end retaining valve 15 is the same with side retaining valve 14, and the bottom that closed one end of end retaining valve 15 and sidewall aperture run through air chamber 6 is placed in the inside of air chamber 6, as the gas outlet of end retaining valve 15; End retaining valve 15 stretches out air chamber 6, as the air intake opening of end retaining valve 15 after not closing the sealed bottom of one end and air chamber 6.End retaining valve 15 with the course of work of air chamber 6 is: if the air pressure of air chamber 6 is less than the air pressure of the gas outlet of end retaining valve 15, the gas outside air chamber 6 will strut the sebific duct of closed pores, and namely gas flow into air chamber 6 from the gas outlet of end retaining valve 15; If the air pressure of air chamber 6 is greater than the air pressure of end retaining valve 15 gas outlet, the sebific duct on the aperture of end retaining valve 15 sidewall is compressed by air pressure, and close end retaining valve 15, the gas in air chamber 6 then can not flow out from end retaining valve 15 gas outlet.End retaining valve 15 effect is that the gas in a permission air chamber 6 flow in air chamber 6 by the air intake opening of end retaining valve 15 is unidirectional through gas outlet.
The part of air chamber 6 is stretched out in not closed one end of retaining valve 15 at the bottom of gas outlet 16 one end connection, and the other end connects sample introduction valve 19, forms the one-way passage of the gas being led to air chamber 6 by sampler.
Side retaining valve 14 and end retaining valve 15, when ensureing that piston 4 compresses, gas is by the unidirectional discharge of air chamber 6, and can not enter sampler; When piston 4 is mentioned, gas enters air chamber 6 by sampler is unidirectional, and can not suction air, and the sampling bottle 17 that therefore to-and-fro movement of piston 4 can be sampler provides negative pressure;
As shown in Fig. 3,4,9,10, described sampler is made up of sampling bottle 17, drain tap 18, sample introduction valve 19 and seal rubber plug 20;
Sampling bottle 17 is sealed by seal rubber plug 20, and one end of sample introduction valve 19 is run through seal rubber plug 20 and is tightly connected;
The negative pressure that manual vacuum generator produces, can make sampling bottle 17 also produce negative pressure by end retaining valve 15, gas outlet 16 and sample introduction valve 19;
When the negative pressure in sampling bottle 17 reaches a threshold value, soil pore water can enter sampling bottle 17 through underground unit, sample introduction valve 18, the soil aperture water yield of collecting to sampling bottle 17 reaches requirement, close sample introduction valve 18, drain tap 19, take off gas outlet 16 and sample feeding pipe 21, namely complete the once sampling of a sampling spot.
Sample introduction valve 18 one end is run through seal rubber plug 20 and is tightly connected with seal rubber plug 20, and the other end and sample feeding pipe 21 are tightly connected;
As shown in Figure 8, the filtrator of described underground unit is made up of support bar 22, filtering head 23 and joint 25;
Filtering head 23 is the hollow circular cylinders be made up of porous ceramics, and the central upper sidewall of filtering head 23 is distributed with micropore 24, and the bottom of filtering head 23 is water storage room 26, and soil pore water is gathered in its effect;
Joint 25 is round tubes, one end of joint 25 insert described in water storage room 26 in, to draw soil pore water;
Support bar 22 is pipes of metal or rigid plastic, and its lower end sticks with glue with the upper end of filtering head 23 and connects or weld, and there is lid on its top, and there is a hole its upper end, and sample feeding pipe 21 to be placed in support bar 22 by this hole and to be tightly connected with the upper end of joint 25; Sample feeding pipe 21 is connected with sample introduction valve 18; Support bar 22 upper side wall indicates scale, and wherein zero size is counted by the middle part of filtering head 23, to control the degree of depth that support bar 22 inserts soil;
Support bar 22 outer wall scrapes hair process, makes smooth outer wall become coarse, so as when it to insert downwards soil can with soil close contact, and prevent topsoil water from flowing into predetermined sampled point along tube wall;
Downward masterpiece is used for stay pipe 22, and drive sample feeding pipe 21, filtering head 23 enter in the soil to be measured of certain depth, thus reach the object extracting pore water in soil to be measured by support bar 22.
The concrete technical parameter of Handheld soil pore water sampler provided by the invention is as follows: manual vacuum generator entirety adopts stainless steel to make.Rotating disk 2 diameter is identical with piston cylinder 5 diameter, and drive link 3 is diameter 6-8mm stainless steel, length 6-10cm; Piston length 3-5cm; Piston cylinder 5 diameter 5-10cm, length 15-20cm, facilitates hand-held and carries; Air chamber 6 height 3-5cm; Ball 12 radius 0.5-1cm; Sebific duct requirement of strength is indeformable under suction function, ensures that sample and air-flow pass through smoothly.Sample introduction valve 18 and drain tap 19 about length 1.5cm.The thick 2mm of rotating disk 2, the wall thickness 1mm of other assemblies.
In sampler of the present invention, sampling bottle 17 is the polyethylene bottle of 150-500mL, and the element that water logging goes out is few, can not pollution water sample water quality; The sebific duct connecting filtrator and sampling bottle 17 is tygon material, and requirement of strength is indeformable under suction function.Sample introduction valve 18 and drain tap 19 adopt commercially available miniature tygon valve, length 5cm.
Filtering head 23 in filtrator of the present invention is that the porous ceramics that chemical activity is lower makes, length 3-5cm, diameter 1-2cm, micro-pore diameter 0.1mm; Support bar 22 is stainless steel material straight tube, internal diameter 15-20mm, wall thickness 2mm, length 80cm, adopts saturated epoxy AB glue bond with filtering head 23.Sebific duct requirement of strength is indeformable under suction function, ensures that sample and air-flow pass through smoothly.
Claims (1)
1. Handheld soil pore water sampler, is characterized in that, it is made up of ground unit and underground unit; Unit is made up of manual vacuum generator and sampler on the ground, and underground unit is made up of filtrator;
Described manual vacuum generator is made up of handle (1), rotating disk (2), drive link (3), piston (7), piston cylinder (5) and air chamber (6);
Described handle (1) is that one end has externally threaded zigzag metal crank, be fixedly connected with circular rotating disk (2) after having externally threaded one end to be connected with the internal thread of sleeve pipe (31) afterwards through sleeve (33), sleeve pipe (31) is welded on the center of circular rotating disk (2); Turning handle (1) can drive circular rotating disk (2) to rotate; The semi-circular ring that the cylinder body that back up pad (27) is piston cylinder (5) upwards extends, the top of this semi-circular ring adopts semicircular plate to seal, sleeve (33) is welded on the semicircular plate at back up pad (27) top, and handle (1) can rotate in sleeve (33);
Rotating disk (2) is a disk, and there is the fixed orifice (32) of an internal thread at the place of keeping to the side;
One end of drive link (3) is welded with a drive link set collar (10), externally threaded standing screw (11) is had to be threaded with fixed orifice (32) afterwards through described drive link set collar (10), drive link (3) is connected with rotating disk (2), and the other end of drive link (3) has external thread;
Upper assembly (4) is the central right cylinder for recessed cylindrical cavity of a bottom surface, and described recessed cylindrical cavity has internal thread; Lower assembly (8) is a right cylinder, this cylindrical upper face center has a protruding right cylinder, the right cylinder of described projection and recessed cylindrical cavity fit through screw thread compact siro spinning technology makes assembly (4) and lower assembly (8) become a cylindrical piston (7), and piston (7) is placed in the cylinder body of piston cylinder (5);
The right cylinder lower surface of described upper assembly (4) and the right cylinder upper surface intersection of lower assembly (8) have a piston seal groove around piston-cylinder, O-ring seal (9) is placed in piston seal groove, when screwing assembly (4) and lower assembly (8), O-ring seal (9) in piston seal groove can squeezed and with the contact internal walls of piston cylinder (5), reach packed-piston and piston cylinder, and, because O-ring seal (9) has elasticity, compacted O-ring seal (9) can not depart from while sealing in piston seal groove;
There is an inverted round stage chamber (28) center on the top of described upper assembly (4), and inverted round stage chamber (28) connect with the episphere chamber (29) below upper assembly (4);
Also there are the lower semisphere chamber (30) that a size is the same with the hemisphere chamber (29) of upper assembly (4) in the cylindrical central authorities of described lower assembly (8), and two hemisphere chambeies form a ball cavity;
Ball (12) is placed in described ball cavity, and ball (12) is upper bores female hole, and drive link (3) other end is fastenedly connected by external thread and ball (12); When rotating disk (2) drives drive link (3) motion, ball (12) can rotate in described ball cavity;
The center of drive link set collar (10) and the distance of center circle of rotating disk (2) are from the radius not exceeding piston cylinder (5);
Described air chamber (6) is the cavity of a tubular with the end, the circular tube external wall on the top of this cavity has external thread, internal thread is arranged at the bottom of the cylinder body of piston cylinder (5), both are connected by thread seal, and the cylinder body of piston cylinder (5) and air chamber (6) pipe body contact portion all have a semicircular groove, when piston cylinder (5) and air chamber (6) screw, two semi-circular recesses form a circular hole, and the hole of this circle is built-in with cushion rubber (13) and seals;
Side retaining valve (14) and end retaining valve (15) are arranged respectively at the cavity wall of the tubular of described air chamber (6) and bottom, and side retaining valve (14) is for the one end open other end is closed, sidewall drives foraminate short tube; Be tightly placed on side retaining valve (14) with the good a bit of flexible rubber hose of elasticity and the aperture of sidewall is closed, and make the aperture closed be exposed to outside the cavity of air chamber (6) with the one end closed, as the air intake opening of side retaining valve (14) after the cavity wall that the openend of side retaining valve (14) runs through air chamber (6) is communicated with air chamber (6), the aperture of the sidewall of side retaining valve (14) is as the gas outlet of side retaining valve (14);
The structure of end retaining valve (15) is the same with side retaining valve (14), and the bottom that closed one end of end retaining valve (15) and sidewall aperture run through air chamber (6) is placed in the inside of air chamber (6), as the gas outlet of end retaining valve (15); End retaining valve (15) stretches out air chamber (6), as the air intake opening of end retaining valve (15) after not closing the sealed bottom of one end and air chamber (6);
Described sampler is made up of sampling bottle (17), drain tap (18), sample introduction valve (19) and seal rubber plug (20);
Sampling bottle (17) is by seal rubber plug (20) sealing, and one end of sample introduction valve (19) is run through seal rubber plug (20) and is tightly connected;
Drain tap (18) one end is run through seal rubber plug (20) and is tightly connected with seal rubber plug (20), and the other end and sample feeding pipe (21) are tightly connected;
The filtrator of described underground unit is made up of support bar (22), filtering head (23) and joint (25);
Filtering head (23) is the hollow circular cylinder be made up of porous ceramics, and the central upper sidewall of filtering head (23) is distributed with micropore (24), and the bottom of filtering head (23) is water storage room (26);
Joint (25) is a round tube, in the water storage room (26) described in the insertion of one end of joint (25);
Support bar (22) is the pipe of metal or rigid plastic, its lower end sticks with glue with the upper end of filtering head (23) and connects or weld, there is lid on its top, and there is a hole its upper end, and sample feeding pipe (21) to be placed in support bar (22) by this hole and to be tightly connected with the upper end of joint (25); Sample feeding pipe (21) is connected with drain tap (18); Support bar (22) upper side wall indicates scale, and wherein zero size is counted by filtering head (23) middle part;
Support bar (22) outer wall scrapes the coarse process of hair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010592968.XA CN102109422B (en) | 2010-12-17 | 2010-12-17 | Handheld soil pore water sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010592968.XA CN102109422B (en) | 2010-12-17 | 2010-12-17 | Handheld soil pore water sampler |
Publications (2)
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Cited By (1)
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|---|---|---|---|---|
| CN108204906A (en) * | 2017-12-14 | 2018-06-26 | 青岛海洋地质研究所 | A kind of acquisition method of Sediment Pore Water and dissolved gas |
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| CN109406216B (en) * | 2018-12-29 | 2023-10-27 | 南昌工程学院 | Soil solution sampling device and sampling method |
| CN109916675A (en) * | 2019-04-18 | 2019-06-21 | 中国科学院寒区旱区环境与工程研究所 | A kind of soil aperture air contains laden water collecting device |
| CN112630358B (en) * | 2020-12-31 | 2022-12-30 | 河北莱博瑞分析仪器有限公司 | Gas chromatograph for quantitatively detecting sample |
| CN117848764B (en) * | 2024-03-06 | 2024-05-07 | 甘肃农业大学 | Portable soil and solution collection system |
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| CS271429B1 (en) * | 1988-03-08 | 1990-09-12 | Jiri Ing Nefe | Sampler from underground waters |
| CN2553362Y (en) * | 2002-07-18 | 2003-05-28 | 中国科学院南京地理与湖泊研究所 | Underwater throwing-in device for pore water sampler |
| CN2840001Y (en) * | 2005-07-07 | 2006-11-22 | 中国科学院广州地球化学研究所 | Sediment gap water in-situ sampling device |
| CN1877286A (en) * | 2005-07-07 | 2006-12-13 | 中国科学院广州地球化学研究所 | Sediment interstitial water in-situ sampling method and apparatus |
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| JP3304842B2 (en) * | 1997-09-11 | 2002-07-22 | 栗田工業株式会社 | Soil pore water sampling method and soil contamination survey method |
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| CS271429B1 (en) * | 1988-03-08 | 1990-09-12 | Jiri Ing Nefe | Sampler from underground waters |
| CN2553362Y (en) * | 2002-07-18 | 2003-05-28 | 中国科学院南京地理与湖泊研究所 | Underwater throwing-in device for pore water sampler |
| CN2840001Y (en) * | 2005-07-07 | 2006-11-22 | 中国科学院广州地球化学研究所 | Sediment gap water in-situ sampling device |
| CN1877286A (en) * | 2005-07-07 | 2006-12-13 | 中国科学院广州地球化学研究所 | Sediment interstitial water in-situ sampling method and apparatus |
| CN101398349A (en) * | 2008-07-04 | 2009-04-01 | 中国地质科学院矿产资源研究所 | In-situ airtight acquisition system for sediment pore water |
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| CN108204906A (en) * | 2017-12-14 | 2018-06-26 | 青岛海洋地质研究所 | A kind of acquisition method of Sediment Pore Water and dissolved gas |
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| CN102109422A (en) | 2011-06-29 |
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