CN213779600U - Sampling device - Google Patents
Sampling device Download PDFInfo
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- CN213779600U CN213779600U CN202022223199.8U CN202022223199U CN213779600U CN 213779600 U CN213779600 U CN 213779600U CN 202022223199 U CN202022223199 U CN 202022223199U CN 213779600 U CN213779600 U CN 213779600U
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- cavity
- water inlet
- water
- sampling
- inlet pipe
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Abstract
The utility model discloses a sampling device, which comprises a suction device and a water inlet pipe, wherein the suction device is provided with a cavity, a telescopic device is arranged on the cavity, the cavity is provided with a water inlet and a water outlet, the telescopic device is compressed or expanded to change the pressure in the cavity, one end of the water inlet pipe is arranged at the water inlet, the other end of the water inlet pipe is used for extending into a sampling point, when in use, the telescopic device is expanded to ensure that the pressure in the cavity is less than the external air pressure, the water inlet pipe extending into the sampling point sends a water sample into the cavity through the water inlet pipe under the action of the external pressure, then the telescopic device is compressed to ensure that the pressure in the cavity is increased, the water sample in the cavity is sent out from the water outlet to finish sampling, thus the sampling is convenient and rapid, the danger is small, and the water sample is always in a closed environment in the sampling process, and can not form secondary pollution to the water sample, guarantee the accuracy of sample, this novel a water sample technical field.
Description
Technical Field
The utility model is used for water sample technical field especially relates to a sampling device.
Background
Among the water disinfection processing procedure, it is the disinfection of utilizing ultraviolet irradiation to use the most extensive, the open channel need be built mostly to this type of disinfection, and the open channel is most built under ground foundation, and the degree of depth is very dark, for guaranteeing water disinfection effect, need periodic sampling detection, water treatment plant adds the muscle mostly through on the canal wall of open channel at present, through the artifical at the bottom of the canal liquid level sample of climbing to of simple and easy cat ladder, danger coefficient is big, the sample difficulty, and the water sample of acquireing is by secondary pollution very easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a sampling device, easy operation, it is dangerous not to take a sample in-process, can not cause secondary pollution to the sample.
The utility model provides a technical scheme that its technical problem adopted is: a sampling device comprises
The suction device is provided with a cavity, a telescopic device is arranged on the cavity, the cavity is provided with a water inlet and a water outlet, and the telescopic device is compressed or expanded to change the pressure intensity in the cavity;
the inlet tube, the one end of inlet tube is installed water inlet department, the other end of inlet tube is used for stretching into the sampling point.
The technical scheme at least has the following advantages or beneficial effects: when the water sampling device is used, the expansion and contraction device is expanded, so that the pressure in the cavity is smaller than the external air pressure, the water inlet pipe stretching into the sampling point sends a water sample into the cavity through the water inlet pipe under the action of the external pressure, then the expansion and contraction device is compressed, so that the pressure in the cavity is increased, the water sample in the cavity is sent out from the water outlet, the sampling is completed, the sampling is convenient and fast, the danger is small, and in the sampling process, the water sample is always in a closed environment, the secondary pollution to the water sample cannot be caused, and the sampling accuracy is ensured.
Further conduct the utility model discloses technical scheme's improvement, the telescoping device includes piston post, elastomeric element and support frame, the support frame is established inside the cavity, the piston post with the cavity cooperation is connected and can move in the cavity, elastomeric element one end with the piston post is connected, elastomeric element's the other end with the support frame is connected.
Further conduct the utility model discloses technical scheme's improvement, sampling device still includes the movable valve, the movable valve includes loose piece and rack, the loose piece passes through the rack is injectd in water inlet department, with following pressure in the cavity changes and opens or close the water inlet.
Further conduct the utility model discloses technical scheme's improvement, movable valve establishes in the inlet tube, with follow pressure in the cavity changes and opens or close the inlet tube.
Further conduct the utility model discloses technical scheme's improvement, water outlet department installs the outlet pipe.
Further conduct the utility model discloses technical scheme's improvement, the outlet pipe is higher than the inlet tube, install in the outlet pipe movable valve, with follow pressure in the cavity changes and opens or close the outlet pipe.
Further conduct the utility model discloses technical scheme's improvement, sampling device still includes the support, the support mounting be in suction device below is used for supporting suction device.
Further as the utility model discloses technical scheme's improvement, the loose piece includes the rubber pad.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
An embodiment of the utility model provides a sampling device, it is mainly applied to the end of a canal sample, uses sampling device to take a sample at the end of a canal as the example below and carries out the detailed description.
Referring to fig. 1, the embodiment of the utility model provides a sampling device, including suction device 1 and inlet tube 2, suction device 1 has cavity 10, installs telescoping device 11 on cavity 10, and cavity 10 has water inlet 100 and delivery port 101, and the compression of telescoping device 11 or expansion are used for changing the pressure in cavity 10, and the one end of inlet tube 2 is installed in water inlet 100 department, and the other end of inlet tube 2 is used for stretching into sampling point 3.
When the water sampling device is used, the expansion telescopic device 11 is expanded, so that the pressure in the cavity 10 is smaller than the external air pressure, the water sample is sent into the cavity 10 through the water inlet pipe 2 under the action of the external pressure by the water inlet pipe 2 stretching into the sampling point 3, then the telescopic device 11 is compressed, so that the pressure in the cavity 10 is increased, the water sample in the cavity 10 is sent out from the water outlet 101, the sampling is completed, the sampling is convenient and fast, the danger is small, the water sample is always in a closed environment in the sampling process, secondary pollution to the water sample cannot be caused, and the sampling accuracy is ensured.
Specifically, the telescopic device 11 includes a piston column 110, an elastic component 111 and a support frame 112, the support frame 112 is disposed in the middle of the chamber 10, the piston column 110 is connected with the chamber 10 in a matching manner and can move in the chamber 10, one end of the elastic component 111 is connected with the piston column 110, the other end of the elastic component 111 is connected with the support frame 112, in the using process, the water inlet pipe 2 is firstly plugged, the piston column 110 is pressed to compress the elastic component 111, the air in the chamber 10 is discharged from the water outlet 101, then the water outlet 101 is plugged, the water inlet pipe 2 is opened, in the process that the piston column 110 recovers the initial state under the resilience force of the elastic component 111, the water sample at the sampling point 3 is pumped into the chamber 10, after the water sample enters the chamber 10, the water inlet pipe 2 is plugged, the water outlet 101 is opened, the piston column 110 is pressed to discharge the water sample in the chamber 10 from the water outlet 101, meanwhile, preparation is made for next water sampling, wherein the elastic part 111 adopts a spring, and the piston column 110 is made of a rubber material.
In some embodiments, the sampling device further comprises a movable valve 4, the movable valve 4 is disposed inside the chamber 10, the movable valve 4 comprises a flap 41 and a rack 40, and the flap 41 is defined at the water inlet 100 by the rack 40 to open or close the water inlet 100 according to the pressure change inside the chamber 10.
Specifically, refer to fig. 1, fig. 2, flap 41 is a trapezoid structure, rack 40 is a trapezoid structure, flap 41 is smaller than rack 40, all be equipped with the trompil on rack 40's roof and the bottom plate, rack 40's curb plate does not have the trompil, flap 41 is established inside rack 40, when pressing piston post 110, the pressure in cavity 10 can compress tightly the flap 41 of water inlet 100 department to rack 40 bottom, make flap 41 plug up water inlet 100, when releasing piston post 110, the pressure in the cavity 10 reduces, the pressure of exerting on the flap 41 of water inlet 100 department reduces, the water sample can be washed away flap 41 inside entering cavity 10, when continuing to press piston post 110, the water sample can compress tightly flap 41 inside rack 40 again, the water sample can only flow from delivery port 101 this moment. The flap 41 is made of rubber, and can be made of materials such as silica gel besides rubber.
Of course, the movable valve 4 can be arranged in the water inlet pipe 2 in addition to being installed inside the chamber 10, and it is also possible to open or close the water inlet pipe 2 according to the pressure inside the chamber 10.
In some embodiments, the outlet pipe 5 is installed at the outlet 101, so that sampling is more convenient.
In some embodiments, the outlet pipe 5 is higher than the inlet pipe 2, and the movable valve 4 is installed in the outlet pipe 5, so that the movable valve 4 opens or closes the outlet pipe 5 according to the pressure change in the cavity 10.
Specifically, in the using process, when the piston column 110 is pressed, the pressure in the cavity 10 can press the movable sheet 41 at the water inlet 100 against the net rack 40, so that the water inlet 100 is blocked, the movable sheet 41 in the water outlet pipe 5 can be separated from the net rack 40 under the action of the pressure, so that the air in the cavity 10 is discharged from the water outlet pipe 5, when the piston column 110 is released, the pressure in the cavity 10 is reduced under the action of the resilience force of the elastic component 111, the external pressure enables the movable sheet 41 in the water outlet pipe 5 to be pressed against the net rack 40, so as to play a role in blocking the water outlet pipe 5, meanwhile, the pressure applied to the movable sheet 41 at the water inlet 100 is also reduced, a water sample is drawn into the water inlet pipe 2 from the sampling point 3, the movable sheet 41 at the water inlet 100 is flushed into the cavity 10, and then when the piston column 110 is continuously pressed, the movable sheet 41 in the water outlet pipe 5 can be separated from the side edge of the net rack 40, so that the water sample flows out from the water outlet pipe 5, and the piston column 110 is repeatedly pressed to realize continuous sampling.
In some embodiments, the sampling device further comprises a bracket 6, the bracket 6 being mounted below the suction device 1 for supporting the suction device 1 to stabilize the sampling device beside the canal.
Of course, the present invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (5)
1. A sampling device, characterized by: comprises that
The suction device is provided with a cavity, a telescopic device is arranged on the cavity, the cavity is provided with a water inlet and a water outlet, and the telescopic device is compressed or expanded to change the pressure intensity in the cavity;
one end of the water inlet pipe is arranged at the water inlet, and the other end of the water inlet pipe is used for extending into a sampling point;
the movable valve comprises a movable sheet and a net rack, wherein the movable sheet is limited at the water inlet through the net rack so as to open or close the water inlet along with the pressure change in the cavity;
the water outlet is provided with a water outlet pipe, the water outlet pipe is higher than the water inlet pipe, and the movable valve is arranged in the water outlet pipe so as to open or close the water outlet pipe along with the pressure change in the cavity.
2. The sampling device of claim 1, wherein: the telescoping device includes piston post, elastomeric element and support frame, the support frame is established inside the cavity, the piston post with the cavity cooperation is connected and can be in the cavity removes, elastomeric element one end with the piston columnar connection, elastomeric element's the other end with the support frame is connected.
3. The sampling device of claim 1, wherein: the movable valve is arranged in the water inlet pipe so as to open or close the water inlet pipe along with the pressure change in the cavity.
4. The sampling device of claim 1, wherein: the sampling device further comprises a support, and the support is arranged below the suction device and used for supporting the suction device.
5. The sampling device of claim 1, wherein: the loose piece comprises a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022223199.8U CN213779600U (en) | 2020-09-30 | 2020-09-30 | Sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022223199.8U CN213779600U (en) | 2020-09-30 | 2020-09-30 | Sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213779600U true CN213779600U (en) | 2021-07-23 |
Family
ID=76907865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022223199.8U Active CN213779600U (en) | 2020-09-30 | 2020-09-30 | Sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213779600U (en) |
-
2020
- 2020-09-30 CN CN202022223199.8U patent/CN213779600U/en active Active
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