CN112033749A - Portable quantitative water taking device - Google Patents
Portable quantitative water taking device Download PDFInfo
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- CN112033749A CN112033749A CN202010926780.8A CN202010926780A CN112033749A CN 112033749 A CN112033749 A CN 112033749A CN 202010926780 A CN202010926780 A CN 202010926780A CN 112033749 A CN112033749 A CN 112033749A
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- fixedly connected
- sliding
- block
- rod
- guide
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of water taking devices, and discloses a portable quantitative water taking device which comprises a piston tube and a sampling tube, wherein the inner wall of the sampling tube is connected with a filter plate in a sliding mode, the top of the filter plate is fixedly connected with a moving block, the middle of the moving block is sleeved with a sealing ring, the inner wall of the sampling tube is fixedly connected with a limiting block, the bottom of the limiting block is fixedly connected with a first spring, a first guide rod is sleeved inside the first spring, the middle of the top of the moving block is provided with a first groove, the inner bottom wall of the first groove is fixedly connected with an extension spring, the top of the extension spring is fixedly connected with a sliding plate, and the top of the sliding plate is fixedly connected with a moving rod plate. The invention realizes the purpose of quick installation and disassembly through the matching of the lock rod and the wedge-shaped head, is convenient to carry, and can automatically open and close the valve and quantitatively sample, so that the manual operation is convenient.
Description
Technical Field
The invention relates to the technical field of water taking devices, in particular to a portable quantitative water taking device
Background
Simple shallow groundwater has the characteristics of shallow burying, better water quality, convenient water taking and the like, but with the social and economic development, the environmental pollution of the groundwater is intensified, particularly in an agricultural planting area, the pollution emission of the shallow groundwater exceeds the standard due to the use of chemical fertilizers and organic fertilizers, and the drinking water safety in rural areas is seriously affected, so that around the problem, a plurality of indoor remediation simulation experiments for groundwater pollution are developed domestically, although the improvement is approached, some problems and defects still exist, the local groundwater needs to be tested in the remediation simulation experiments, and therefore, a sampler is required to be used for bringing the local groundwater back to a laboratory.
When taking a sample, must take sampling device to the position of taking a sample, but current sampling device is difficult to dismantle, and occupation space is big, leads to inconvenient carrying to current sampling device's sample mode needs the manual stagnant water valve of opening sampling tube department, connects the water sampling with sample container sample connection department on the sampling tube, and the manual stagnant water valve of closing after the sample is ended, and manual operation is loaded down with trivial details, and can't the ration sample when taking a sample.
Therefore, we propose a portable water quantitative taking device to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a portable quantitative water taking device which has the advantages of convenience in carrying, simplicity in operation and quantitative sampling, and solves the problems of complexity in operation, large occupied space and incapability of quantitative sampling.
(II) technical scheme
In order to realize the purposes of convenient carrying, simple operation and quantitative sampling, the invention provides the following technical scheme: a portable quantitative water taking device comprises a piston tube and a sampling tube, wherein the inner wall of the sampling tube is connected with a filter plate in a sliding manner, the top of the filter plate is fixedly connected with a moving block, the middle part of the moving block is sleeved with a sealing ring, the inner wall of the sampling tube is fixedly connected with a limiting block, the bottom of the limiting block is fixedly connected with a first spring, a first guide rod is sleeved inside the first spring, the middle part of the top of the moving block is provided with a first groove, the inner bottom wall of the first groove is fixedly connected with an extension spring, the top of the extension spring is fixedly connected with a sliding plate, the top of the sliding plate is fixedly connected with a moving rod, the top of the moving rod is fixedly connected with a floating plate, the side edge of the floating plate is fixedly connected with fixing rods which are uniformly distributed, and one end of the fixing rod, which is far, the sampling tube is characterized in that a second spring is sleeved on the outer side of the sliding rod, uniformly distributed second grooves are formed in the bottom of the piston tube, a guide block is fixedly connected to the top wall of each second groove, a guide hole is formed in the middle of each guide block, a lock rod is slidably connected to the inner wall of each guide hole, a poking rod is fixedly connected to one side, away from each guide block, of each lock rod, a third spring is fixedly connected to the inner side of each poking rod, and wedge-shaped heads are fixedly connected to the two side edges of the sampling tube.
Preferably, an annular groove is formed in the middle upper portion of the moving block, the moving block is sleeved with the sealing ring through the annular groove, an obliquely upward wedge-shaped surface is formed in the wedge-shaped head, an obliquely downward wedge-shaped surface is formed in one side, close to the guide block, of the locking rod, and the other end of the third spring is fixedly connected with the guide block.
Preferably, the limiting block is located above the filter plate, a placing groove matched with the sealing ring is formed in the inner side of the limiting block, and the distance of the moving block moving upwards is limited by the cooperation of the first guide rod and the spring.
Preferably, the bottom of the first guide bar is fixedly connected to the moving block, and the sliding plate is slidably connected to the first groove, and the sliding plate prevents a large amount of water from entering the first groove.
Preferably, the dead lever has two, the dead lever is kept away from the one end fixedly connected with slider of kickboard, slider and slide bar sliding connection, the former length of second spring is two-thirds of the length of slide bar, and when the kickboard upwards moved earlier like this, the resistance can not be applyed to the kickboard by the second spring.
Preferably, the inner wall at the top of the sampling tube is provided with uniformly distributed fixed chutes, and the sliding rod is fixedly connected with the fixed chutes.
Preferably, the second recess has two, the spread groove has been seted up at the middle part of the bottom of piston tube, and the roof fixedly connected with second guide bar of spread groove, the top of sampling tube seted up with second guide bar assorted guide way, the intercommunicating pore has been seted up to the bottom of piston tube, and the intercommunicating pore makes sampling tube and piston tube communicate.
Preferably, the inner wall of the piston pipe is connected with a piston in a sliding mode, the top of the floating plate is fixedly connected with a rubber plate, the second spring gives downward elastic force to the floating plate, and when the water in the sampling cavity is not fully gathered and floated due to overlarge collision pressure, the communicating hole is blocked by the rubber plate.
(III) advantageous effects
Compared with the prior art, the invention provides a portable quantitative water taking device, which has the following beneficial effects:
1. this portable quantitative water intaking device moves to the top of locking lever through the wedge head, then the locking lever stretches out in the elasticity effort guide block outside of third spring and resets to make the locking lever be located the below of wedge head, the cooperation of rethread guide way and second guide bar makes piston tube and sampling tube fixed, has reached quick installation purpose, and then realizes the effect that conveniently carries.
2. This portable quantitative water intaking device, upwards stimulate through the piston, make the pressure in sample chamber reduce, and then drive the motion piece rebound, sealing washer and rubber block open this moment, realize automatic opening the valve, through the rising of the water level in the sample chamber and drive the kickboard and move upward, the rubber slab on the kickboard is plugged up the intercommunicating pore, the piston no longer removes, and because the action of gravity of the water in the sample chamber makes the motion piece move down, and then make rubber circle and stopper contact, automatic valve closing has been realized, convenient operation's effect has been reached, and because the injecing of kickboard and stopper position, make the sample space injecing, and then realize the effect of quantitative sample.
Drawings
FIG. 1 is a schematic structural diagram of the present invention in an unsampled state;
FIG. 2 is a schematic structural diagram of the present invention in a state after sampling is completed;
fig. 3 is a partially enlarged structural diagram of a portion a in fig. 1.
In the figure: 1. a piston tube; 2. a sampling tube; 3. a filter plate; 4. a motion block; 5. a seal ring; 6. a limiting block; 7. a first spring; 8. a first guide bar; 9. a first groove; 10. an extension spring; 11. a sliding plate; 12. a motion bar; 13. a floating plate; 14. fixing the rod; 15. a slide bar; 16. a second spring; 17. a second groove; 18. a guide block; 19. a guide hole; 20. a lock lever; 21. a poke rod; 22. a third spring; 23. a wedge head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a portable quantitative water taking device comprises a piston tube 1 and a sampling tube 2, wherein the inner wall of the sampling tube 2 is connected with a filter plate 3 in a sliding manner, the top of the filter plate 3 is fixedly connected with a moving block 4, a seal ring 5 is sleeved in the middle of the moving block 4, the inner wall of the sampling tube 2 is fixedly connected with a limit block 6, the limit block 6 is positioned above the filter plate 3, the inner side of the limit block 6 is provided with a placing groove matched with the seal ring 5, the bottom of the limit block 6 is fixedly connected with a first spring 7, a first guide rod 8 is sleeved in the first spring 7, and the middle of the top of the moving block 4 is provided with a first groove;
an extension spring 10 is fixedly connected to the inner bottom wall of the first groove 9, a sliding plate 11 is fixedly connected to the top of the extension spring 10, the sliding plate 11 prevents a large amount of water from entering the first groove 9, the bottom of the first guide rod 8 is fixedly connected with the moving block 4, the sliding plate 11 is slidably connected with the first groove 9, the top of the sliding plate 11 is fixedly connected with a moving rod 12, the top of the moving rod 12 is fixedly connected with a floating plate 13, the inner wall of the piston tube 1 is slidably connected with a piston, the top of the floating plate 13 is fixedly connected with a rubber plate, the side edges of the floating plate 13 are fixedly connected with fixing rods 14 which are uniformly distributed, the number of the fixing rods 14 is two, one end of the fixing rod 14, far away from the floating plate 13, is fixedly connected with a sliding block, the sliding block is slidably connected with a sliding rod 15, one end of the fixing rod 14, far away from the floating plate 13, is slidably connected with;
the sliding rod 15 is fixedly connected with the fixed sliding chute, a second spring 16 is sleeved on the outer side of the sliding rod 15, the original length of the second spring 16 is two thirds of the length of the sliding rod 15, when the floating plate 13 moves upwards in the earlier stage, the second spring 16 does not apply resistance to the floating plate 13, the bottom of the piston tube 1 is provided with two second grooves 17 which are uniformly distributed, the middle part of the bottom of the piston tube 1 is provided with a connecting groove, the top wall of the connecting groove is fixedly connected with a second guide rod, the top of the sampling tube 2 is provided with a guide groove matched with the second guide rod, the bottom of the piston tube 1 is provided with a communicating hole, the top wall of the second groove 17 is fixedly connected with a guide block 18, the middle part of the guide block 18 is provided with a guide hole 19, the inner wall of the guide hole 19 is slidably connected with a lock rod 20, one side of the lock rod 20, which is far away from the guide block 18, is fixedly connected with a poking rod 21, and the inner;
the two side edges of the sampling tube 2 are fixedly connected with wedge heads 23, the middle upper part of the motion block 4 is provided with an annular groove, the motion block 4 is sleeved with the sealing ring 5 through the annular groove, the wedge heads 23 are provided with oblique upward wedge faces, one side of the locking rod 20 close to the guide block 18 is provided with oblique downward wedge faces, and the other end of the third spring 22 is fixedly connected with the guide block 18.
The working principle is as follows: when the sampling device is used, firstly, the device is assembled, namely the orientation of the sampling tube 2 is adjusted, the guide groove of the sampling tube 2 is slowly close to the second guide rod of the piston tube 1, the wedge-shaped head 23 is contacted with the corresponding lock rod 20 along with the upward movement of the sampling tube 2, in the process of the upward movement of the sampling tube 2, the lock rod 20 retracts into the guide block 18 under the action of the wedge-shaped surface and compresses the third spring 22, the wedge-shaped head 23 continuously moves upwards to the upper part of the lock rod 20, then the lock rod 20 extends out of the guide block 18 under the elastic force of the third spring 22 to reset, so that the lock rod 20 is positioned below the wedge-shaped head 23, and the piston tube 1 and the sampling tube 2 are fixed through the matching of the guide groove and the second guide rod;
further, when the piston upwards stimulates, make the pressure in sample chamber reduce, and then drive motion piece 4 rebound, sealing washer 5 and stopper 6 are opened this moment, realize automatic the valve of opening, the sample water enters into the sample intracavity through filter 3, along with the rising of sample intracavity water level and drive kickboard 13 and move up, rubber slab up to kickboard 13 blocks up the intercommunicating pore, at this moment, the piston no longer removes, and because the action of gravity of the water in the sample intracavity makes motion piece 4 move down, and then make sealing washer 5 and stopper 6 contact, automatic valve closing has been realized, and because the injecing of kickboard 13 and stopper 6 position, make the sample space injecing, and then realize the ration sample.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a portable quantitative water intaking device, includes piston pipe (1) and sampling tube (2), its characterized in that: the inner wall of the sampling tube (2) is connected with a filter plate (3) in a sliding manner, the top of the filter plate (3) is fixedly connected with a motion block (4), the middle of the motion block (4) is sleeved with a sealing ring (5), the inner wall of the sampling tube (2) is fixedly connected with a limiting block (6), the bottom of the limiting block (6) is fixedly connected with a first spring (7), a first guide rod (8) is sleeved inside the first spring (7), the middle of the top of the motion block (4) is provided with a first groove (9), the inner bottom wall of the first groove (9) is fixedly connected with an extension spring (10), the top of the extension spring (10) is fixedly connected with a sliding plate (11), the top of the sliding plate (11) is fixedly connected with a motion rod (12), and the top of the motion rod (12) is fixedly connected with a floating plate (13), the utility model discloses a sampling tube, including the side fixedly connected with evenly distributed's of kickboard (13) dead lever (14), the one end sliding connection who keeps away from kickboard (13) of dead lever (14) has slide bar (15), second spring (16) have been cup jointed in the outside of slide bar (15), evenly distributed's second recess (17) have been seted up to piston tube (1) bottom, roof fixedly connected with guide block (18) of second recess (17), guiding hole (19) have been seted up at the middle part of guide block (18), the inner wall sliding connection of guide hole (19) has locking lever (20), one side fixedly connected with poker rod (21) of guide block (18) are kept away from in locking lever (20), the inboard fixedly connected with third spring (22) of poker rod (21), the equal fixedly connected with wedge head (23) in both sides limit of sampling tube (2).
2. The portable quantitative water intake device according to claim 1, wherein: annular groove has been seted up on the well upper portion of motion piece (4), motion piece (4) cup joint through annular groove and sealing washer (5), slant ascending wedge face has been seted up in wedge head (23), locking lever (20) are close to one side of guide block (18) and have seted up slant decurrent wedge face, the other end and guide block (18) fixed connection of third spring (22).
3. The portable quantitative water intake device according to claim 1, wherein: the limiting block (6) is located above the filter plate (3), and a placing groove matched with the sealing ring (5) is formed in the inner side of the limiting block (6).
4. The portable quantitative water intake device according to claim 1, wherein: the bottom of the first guide rod (8) is fixedly connected with the moving block (4), and the sliding plate (11) is connected with the first groove (9) in a sliding mode.
5. The portable quantitative water intake device according to claim 1, wherein: the number of the fixing rods (14) is two, one end, far away from the floating plate (13), of each fixing rod (14) is fixedly connected with a sliding block, and the sliding blocks are connected with the sliding rods (15) in a sliding mode.
6. The portable quantitative water intake device according to claim 1, wherein: the inner wall at the top of the sampling tube (2) is provided with uniformly distributed fixed chutes, and the sliding rod (15) is fixedly connected with the fixed chutes.
7. The portable quantitative water intake device according to claim 1, wherein: the second recess (17) have two, the spread groove has been seted up at the middle part of the bottom of piston tube (1), the roof fixedly connected with second guide bar of spread groove, the top of sampling tube (2) seted up with second guide bar assorted guide way, the intercommunicating pore has been seted up to the bottom of piston tube (1).
8. The portable quantitative water intake device according to claim 1, wherein: the inner wall of the piston pipe (1) is connected with a piston in a sliding mode, and the top of the floating plate (13) is fixedly connected with a rubber plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010926780.8A CN112033749A (en) | 2020-09-07 | 2020-09-07 | Portable quantitative water taking device |
Applications Claiming Priority (1)
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CN202010926780.8A CN112033749A (en) | 2020-09-07 | 2020-09-07 | Portable quantitative water taking device |
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CN112033749A true CN112033749A (en) | 2020-12-04 |
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CN202010926780.8A Withdrawn CN112033749A (en) | 2020-09-07 | 2020-09-07 | Portable quantitative water taking device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112857888A (en) * | 2021-01-08 | 2021-05-28 | 中国水利水电科学研究院 | Portable multifunctional water sampler |
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2020
- 2020-09-07 CN CN202010926780.8A patent/CN112033749A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112857888A (en) * | 2021-01-08 | 2021-05-28 | 中国水利水电科学研究院 | Portable multifunctional water sampler |
CN112857888B (en) * | 2021-01-08 | 2021-12-03 | 中国水利水电科学研究院 | Portable multifunctional water sampler |
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Application publication date: 20201204 |