CN213121234U - Sampling device for water quality monitoring - Google Patents
Sampling device for water quality monitoring Download PDFInfo
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- CN213121234U CN213121234U CN202021211513.4U CN202021211513U CN213121234U CN 213121234 U CN213121234 U CN 213121234U CN 202021211513 U CN202021211513 U CN 202021211513U CN 213121234 U CN213121234 U CN 213121234U
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- quality monitoring
- water quality
- sampling device
- limiting structure
- vacuum sampling
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Abstract
The utility model discloses a sampling device for water quality monitoring, which belongs to the technical field of environmental monitoring, and comprises a vacuum sampling container and an installation cavity arranged at the upper end of the vacuum sampling container and communicated with the vacuum sampling container, wherein the side wall of the installation cavity is provided with a water inlet, the two ends of the installation cavity are respectively provided with a first limiting structure and a second limiting structure, a spring and a sealing block are arranged between the first limiting structure and the second limiting structure in the installation cavity, and the sealing block blocks the water inlet under the action of the resetting force of the spring in a normal state; be equipped with the haulage rope on the sealed piece, during the use, upwards stimulate the haulage rope, the water sample directly gets into vacuum sampling container through the water inlet, need not other structures and can realize the sample, and is clean convenient, is difficult for remaining previous water sample, and the degree of accuracy is high. When the pressure in the vacuum sampling container is consistent with the external water pressure, water inflow is stopped, the traction rope is loosened, the sealing block blocks the water inlet under the action of the spring, the normal state is recovered to seal the stored water sample, and fixed-point collection is realized.
Description
Technical Field
The utility model relates to an environmental monitoring technical field, especially a sampling device for water quality monitoring.
Background
With the development of times and the progress of science and technology, the industrial level is gradually improved, but the discharge of industrial sewage causes the large-scale pollution of water quality, and water sample detection is required to be carried out frequently. The bottom that current sampling device for water quality monitoring gathered the container at the water sample usually sets up the water inlet, sets up the gas vent at the top that the container was gathered to the appearance simultaneously, and link means drives water inlet and gas vent simultaneously and opens in order to realize the sample, close in order to realize sealing up the deposit. However, the structure is complex, the disassembly and the assembly are inconvenient, the cleaning is difficult, the previous water sample is easy to remain, and the accuracy of the next sampling detection is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a simple structure, reasonable in design, be convenient for clear sampling device for water quality monitoring.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a sampling device for water quality monitoring, includes vacuum sampling container, sets up the installation cavity of connecting through vacuum sampling container in vacuum sampling container upper end, the lateral wall of installation cavity is equipped with the water inlet, and the both ends of installation cavity are equipped with first limit structure and second limit structure respectively, are equipped with spring and sealed piece in the installation cavity between first limit structure and second limit structure, the sealed piece can block up the water inlet under the spring power of restoring to the throne effect, is equipped with the haulage rope on the sealed piece, the haulage rope can drive sealed piece compression spring under ascending exogenic action in order to open the water inlet, still is equipped with vacuum tube on the vacuum sampling container, install the valve on the vacuum tube.
Preferably, the first limiting structure comprises an end cover detachably connected with the upper end of the installation cavity.
Preferably, the end cover is connected with the mounting cavity in a sampling thread mode.
Preferably, still include the upper cover of can dismantling the connection with vacuum sampling container, be equipped with first sealing washer between upper cover and the vacuum sampling container, the installation cavity sets up on the upper cover.
Preferably, the second limiting structure comprises a baffle plate arranged at the lower end of the installation cavity, and a through hole is formed in the baffle plate.
Preferably, the mounting cavity, the baffle plate and the upper cover are integrally formed.
Preferably, the sealing block is a truncated cone.
Preferably, the vacuum sampling container comprises an upper container body, a lower container body and a connecting structure, wherein the upper container body is detachably connected with the lower container body through the connecting structure.
Preferably, the connecting structure comprises a clamping block or a clamping opening arranged on the upper container body, and a clamping opening or a clamping block arranged on the lower container body, wherein the clamping block or the clamping opening is matched with the clamping block or the clamping opening.
Preferably, a lower cover is hermetically connected to the lower container body.
The utility model has the advantages that: the utility model has the advantages of simple structure and reasonable design, under the normality, the sealed piece shutoff water inlet under the spring restoring force effect, during the use, upwards stimulates the haulage rope, and the water sample directly gets into vacuum sampling container through the water inlet, and need not to set up other structures in the vacuum sampling container and can realize the sample, and is clean convenient, is difficult for remaining previous water sample, and the degree of accuracy is high. Treat when pressure in the vacuum sampling container is unanimous with external water pressure, then stop into water, loosen the haulage rope, the sealing block shutoff water inlet under the spring action resumes the normality, seals up the water sample of gathering, realizes the collection of fixed point water sample, avoids sneaking into the water sample of the different degree of depth and causes the influence to the testing result.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 2.
Detailed Description
As shown in fig. 1-3, a sampling device for water quality monitoring, includes vacuum sampling container 1, sets up installation cavity 2 that is in vacuum sampling container 1 upper end and feed through vacuum sampling container 1, the lateral wall of installation cavity 2 is equipped with water inlet 3, and the both ends of installation cavity 2 are equipped with first limit structure and second limit structure respectively, are equipped with spring 4 and seal block 5 in installation cavity 2 between first limit structure and the second limit structure, seal block 5 can block off water inlet 3 under the effect of spring 4 restoring force, is equipped with haulage rope 6 on seal block 5, haulage rope 6 can drive seal block 5 compression spring 4 under ascending exogenic action in order to open water inlet 3, still is equipped with evacuation pipe 7 on the vacuum sampling container 1, install valve 8 on the evacuation pipe 7.
During vacuum pumping, the valve 8 is opened, the vacuum sampling container 1 is pumped from the vacuum pumping pipe 7 by a vacuum pumping machine, and then the valve 8 is closed.
In a normal state, the sealing block 5 blocks the water inlet 3 under the action of the restoring force of the spring 4. During the use, will the utility model discloses the aquatic of dropping into assigned position carries out the water sample collection, upwards stimulate haulage rope 6, haulage rope 6 drives 5 compression spring 4 of sealed piece in order to open water inlet 3, the water sample directly gets into vacuum sampling container 1 through water inlet 3, when treating pressure in the vacuum sampling container 1 and external water pressure unanimity, then stop the intaking, realize the collection of fixed point water sample, afterwards, loosen haulage rope 6, sealed piece 5 shutoff water inlet 3 under the spring 4 effect, resume the normality, the water sample of collecting is sealed up for safekeeping, thereby prevent to sneak into the water sample of the different degree of depth at the in-process that takes out sampling device for water quality monitoring, avoid causing the influence to the testing result.
The utility model has the advantages of simple structure and reasonable design, the water sample directly gets into vacuum sampling container 1 through water inlet 3, and need not to set up other structures in the vacuum sampling container 1 and can realize the sample, and is clean convenient, is difficult for remaining previous water sample, and the degree of accuracy is high.
Wherein, the preferred transparent material preparation of vacuum sampling container 1 is convenient for observe the water sample of gathering.
Further, first limit structure includes can dismantle the end cover 9 of being connected with 2 upper ends of installation cavity, and its easy dismounting, swift is convenient for dismantle cleanly spring 4 and seal block 5. The connection between the end cap 9 and the mounting cavity 2 may be achieved by a screw connection, a snap connection, or other methods known in the art, and is not limited herein.
In this embodiment, the vacuum sampling container 1 is detachably connected with an upper cover 10, a first sealing ring 11 is arranged between the upper cover 10 and the vacuum sampling container 1, and the mounting cavity 2 is arranged on the upper cover 10.
The second limit structure comprises a baffle 12 arranged at the lower end of the installation cavity 2, a through hole 13 is formed in the baffle 12, and a water sample sequentially enters the vacuum sampling container 1 through the water inlet 3 and the through hole 13.
The mounting cavity 2, the baffle plate 12 and the upper cover 10 may adopt an integrated structure or a split structure, and preferably, the mounting cavity 2, the baffle plate 12 and the upper cover 10 are integrally formed.
In order to realize the tight fit of the sealing block 5 and the water inlet 3, the sealing block 5 is a truncated cone, and the sealing block 5 is made of elastic materials, preferably rubber materials.
In this embodiment, the vacuum sampling container 1 comprises an upper container body 14, a lower container body 15 and a connecting structure, wherein the upper container body 14 and the lower container body 15 are detachably connected through the connecting structure. The vacuum sampling container 1 adopts a two-section structural design, and the vacuum sampling container 1 is not easy to crack and has long service life under the condition of bearing negative pressure.
Wherein, connection structure includes fixture block or bayonet socket that sets up on upper container body 14, and with fixture block or bayonet socket assorted, set up bayonet socket or fixture block on lower container body 15. The connection of the upper container body 14 and the lower container body 15 is realized through the matching of the clamping blocks and the clamping openings. In addition, in order to avoid the influence of the two-section mode on the sealing performance, a second sealing ring 16 is arranged between the upper container body 14 and the lower container body 15. Of course, the connection structure may also be in a plug-in manner, a magnetic attraction manner, etc., and is not limited to the above-mentioned embodiments.
A lower cover is hermetically connected to the lower container body 15. A third sealing ring 17 is arranged between the lower container body 15 and the lower cover.
In addition, the bottom of the vacuum sampling container 1 is provided with a balancing weight, so that the vacuum sampling container 1 is easy to sink in an unloaded state. The weight may also be omitted if the vacuum sampling container 1 itself has sufficient weight to achieve this effect.
The above description specifically describes the preferred embodiments of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The sampling device for water quality monitoring is characterized by comprising a vacuum sampling container (1) and a mounting cavity (2) which is arranged at the upper end of the vacuum sampling container (1) and communicated with the vacuum sampling container (1), wherein a water inlet (3) is formed in the side wall of the mounting cavity (2), a first limiting structure and a second limiting structure are respectively arranged at two ends of the mounting cavity (2), a spring (4) and a sealing block (5) are arranged between the first limiting structure and the second limiting structure in the mounting cavity (2), the sealing block (5) can block the water inlet (3) under the action of the reset force of the spring (4), a traction rope (6) is arranged on the sealing block (5), the traction rope (6) can drive the sealing block (5) to compress the spring (4) to open the water inlet (3) under the action of upward external force, and a vacuumizing tube (7) is further arranged on the vacuum sampling container (1), and a valve (8) is arranged on the vacuumizing pipe (7).
2. The sampling device for water quality monitoring according to claim 1, wherein the first limiting structure comprises an end cover (9) detachably connected with the upper end of the installation cavity (2).
3. The sampling device for water quality monitoring according to claim 2, wherein the end cover (9) is connected with the mounting cavity (2) in a sampling thread manner.
4. The sampling device for water quality monitoring according to claim 1, further comprising an upper cover (10) detachably connected with the vacuum sampling container (1), wherein a first sealing ring (11) is arranged between the upper cover (10) and the vacuum sampling container (1), and the mounting cavity (2) is arranged on the upper cover (10).
5. The sampling device for water quality monitoring according to claim 4, wherein the second limiting structure comprises a baffle plate (12) arranged at the lower end of the installation cavity (2), and the baffle plate (12) is provided with a through hole (13).
6. The sampling device for water quality monitoring according to claim 5, wherein the mounting chamber (2), the baffle plate (12) and the upper cover (10) are integrally formed.
7. The sampling device for water quality monitoring according to claim 1, wherein the sealing block (5) is a truncated cone.
8. The sampling device for water quality monitoring according to claim 1, wherein the vacuum sampling vessel (1) comprises an upper vessel body (14), a lower vessel body (15) and a connecting structure,
the upper container body (14) is detachably connected with the lower container body (15) through a connecting structure.
9. The sampling device for water quality monitoring according to claim 8, wherein the connection structure comprises a fixture block or a bayonet provided on the upper container body (14), and a bayonet or a fixture block provided on the lower container body (15) to match with the fixture block or the bayonet.
10. The sampling device for water quality monitoring according to claim 8, wherein a lower cover is hermetically attached to the lower container body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021211513.4U CN213121234U (en) | 2020-06-28 | 2020-06-28 | Sampling device for water quality monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021211513.4U CN213121234U (en) | 2020-06-28 | 2020-06-28 | Sampling device for water quality monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213121234U true CN213121234U (en) | 2021-05-04 |
Family
ID=75673310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021211513.4U Active CN213121234U (en) | 2020-06-28 | 2020-06-28 | Sampling device for water quality monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213121234U (en) |
-
2020
- 2020-06-28 CN CN202021211513.4U patent/CN213121234U/en active Active
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