CN217132681U

CN217132681U - Water pollution detection sampling device for assessment

Info

Publication number: CN217132681U
Application number: CN202221026749.XU
Authority: CN
Inventors: 王俊
Original assignee: Yunnan Nazhi Environmental Protection Technology Co ltd
Current assignee: Yunnan Nazhi Environmental Protection Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-05
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a sampling device for evaluating water pollution detection, which relates to the technical field of water pollution detection, and comprises a sampling tube, wherein a threaded connection seat is arranged at the top end of the sampling tube, a disposable isolation sleeve is inserted in the sampling tube and is matched with the caliber of the sampling tube, a fixed cover is connected on the surface of the threaded connection seat through a thread, a sealing rubber piston is connected on the inner wall of the disposable isolation sleeve in a sliding way, a push rod is arranged at the top of the sealing rubber piston, and the top end of the push rod penetrates through the fixed cover and extends to the upper part of the fixed cover, the disposable isolation sleeve is arranged in the sampling tube, the possibility of the influence of water stain remained in the last sampling on the secondary sampling is reduced through replacing the disposable isolation sleeve, the accuracy of the next detection is further improved, the sampling tube directly enters the sampling water into a collecting bottle through an L-shaped connecting tube when the sampling water is absorbed, thereby further improving the sampling efficiency.

Description

Water pollution detection sampling device for assessment

Technical Field

The utility model relates to a water pollution detection technical field specifically is an aassessment water pollution detection sampling device.

Background

In the water resource protection process, often need sample the water resource, recycle detecting instrument detects, and the defect that prior art water pollution detection sampling device exists is: most of the sampling devices that have now need wash or change sampling device before carrying out the subsampling to avoid influencing the testing result because of the remaining water stain of last time sampling among the sampling equipment, this kind of mode not only wastes the time of sampling personnel and has also improved the consumption of device simultaneously, and then leads to the device's practicality not enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aassessment water pollution detection sampling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides the following technical scheme, an aassessment water pollution detection sampling device, including the sampling tube, threaded connection seat is installed on the top of sampling tube, the inside grafting of sampling tube has disposable isolation sleeve, and disposable isolation sleeve and the bore of sampling tube are adapted, threaded connection seat's surface has fixed lid through threaded connection;

the inner wall sliding connection of disposable isolation sleeve has sealed rubber piston, the catch bar is installed at the top of sealed rubber piston, and the top of catch bar runs through fixed lid and extends to its top.

As a further technical scheme of the utility model, the connector has been seted up to one side on sampling tube surface, the round hole that is linked together with the connector is seted up to one side on disposable isolation sleeve surface, and the bore looks adaptation of connector and round hole.

As a further technical scheme of the utility model, L type connecting pipe is installed to one side of connector, the connecting piece is installed on the top of L type connecting pipe, the top threaded connection of connecting piece has discharge valve's receiving flask.

As a further technical scheme of the utility model, the below of sampling tube is provided with the sampling joint, the spread groove has been seted up at the top of sampling joint, and the bottom threaded connection of sampling tube and the inside of spread groove, the interior diapire of spread groove is provided with the sealing washer.

As a further technical scheme of the utility model, the intercommunication mouth has been seted up to the inner diapire of spread groove, the water inlet that is linked together with the intercommunication mouth is seted up to the inside of sampling joint.

As a further technical scheme of the utility model, the bottom threaded connection of sampling joint has the mounting panel, the cylinder groove that is linked together with the water inlet is seted up to the bottom of mounting panel, the internally mounted in cylinder groove has the mud net of hindering.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up disposable isolation sleeve in the inside of sampling tube, through the change to disposable isolation sleeve to reduce the possibility that the remaining water stain of last sample caused the influence to the secondary sampling, and then improved the accuracy that detects next time, the sampling tube is when absorbing the sampling water directly with the sampling water through in the L type connecting pipe gets into the receiving flask, thereby further improvement the efficiency of sample.

2. The utility model discloses a hinder the mud net on the mounting panel of sampling joint bottom, filter the big solid particle that contains in the sample aquatic to the effectual jam that causes the sampling tube of avoiding at the in-process of sample leads to the device to be unable to use, and then has improved the smoothness degree of the device when using.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional split structure of the sampling tube of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the sampling tube of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the sampling adapter of the present invention.

In the figure: 1. a sampling tube; 2. a threaded connection base; 3. a disposable isolation sleeve; 4. a fixed cover; 5. a sealing rubber piston; 6. a push rod; 7. a connecting port; 8. a circular hole; 9. an L-shaped connecting pipe; 10. a connecting member; 11. a collection bottle; 12. a sampling joint; 13. connecting grooves; 14. a seal ring; 15. a communication port; 16. a water inlet; 17. mounting a plate; 18. a cylindrical groove; 19. a mud blocking net.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a sampling device for detecting water pollution for evaluation;

the sampling device comprises a sampling tube 1, wherein a threaded connecting seat 2 is installed at the top end of the sampling tube 1, a disposable isolation sleeve 3 is inserted into the sampling tube 1, the disposable isolation sleeve 3 is matched with the caliber of the sampling tube 1, and the surface of the threaded connecting seat 2 is connected with a fixed cover 4 through threads; the inner wall of the disposable isolation sleeve 3 is connected with a sealing rubber piston 5 in a sliding way, the top of the sealing rubber piston 5 is provided with a push rod 6, the top end of the push rod 6 penetrates through the fixed cover 4 and extends to the upper part of the fixed cover, one side of the surface of the sampling tube 1 is provided with a connecting port 7, one side of the surface of the disposable isolation sleeve 3 is provided with a round hole 8 communicated with the connecting port 7, the connecting port 7 is matched with the caliber of the round hole 8, one side of the connecting port 7 is provided with an L-shaped connecting tube 9, the top end of the L-shaped connecting tube 9 is provided with a connecting piece 10, the top of the connecting piece 10 is in threaded connection with a collecting bottle 11 with an exhaust valve, when in use, sampling water is separated from the inner wall of the sampling tube 1 through the disposable isolation sleeve 3, and the influence of the first sampling on the second sampling can be reduced by replacing the disposable isolation sleeve 3 during the second sampling, the hardness of the disposable isolation sleeve 3 is hard, and the disposable isolation sleeve 3 cannot be wrinkled or damaged due to the sliding of the sealing rubber piston 5.

Referring to fig. 1 and 4, a sampling device for detecting contamination of water for evaluation;

sampling tube 1's below is provided with sampling connection 12, spread groove 13 has been seted up at sampling connection 12's top, and sampling tube 1's bottom threaded connection and spread groove 13's inside, spread groove 13's interior diapire is provided with sealing washer 14, spread groove 13's interior diapire has seted up intercommunication mouth 15, sampling connection 12's inside is seted up the water inlet 16 that is linked together with intercommunication mouth 15, sampling connection 12's bottom threaded connection has mounting panel 17, the cylinder groove 18 that is linked together with water inlet 16 is seted up to mounting panel 17's bottom, the internally mounted of cylinder groove 18 has hinders mud net 19, during the use, it filters the sampling water to hinder mud net 19 through on sampling connection 12 bottom mounting panel 17, thereby avoid causing blocking phenomenon when the device samples.

The working principle is as follows: when the sampling device is used, the fixing cover 4 at the top end of the sampling tube 1 is unscrewed from the threaded connecting seat 2, the push rod 6 is pulled to pull the sealing rubber piston 5 out of the sampling tube 1, the disposable isolation sleeve 3 is inserted into the sampling tube 1 (the position of the round hole 8 and the position of the connecting port 7 are required to be ensured to be corresponding when the disposable isolation sleeve is inserted), the sealing rubber piston 5 is pushed into the sampling tube 1 along the disposable isolation sleeve 3, the fixing cover 4 is screwed on, the collecting bottle 11 is installed on the connecting piece 10, the push rod 6 is pulled, sampling water can enter the L-shaped connecting tube 9 through the connecting port 7 on the inner wall of the sampling tube 1 and finally enters the collecting bottle 11 (in the collecting process, the water pressure value extracted from the inside of the sampling tube 1 is greater than the pressure value inside the collecting bottle 11, so that the air in the collecting bottle 11 is discharged under the action of the pressure difference and the collecting bottle 11 with the exhaust valve, and the sampled water enters the inside of the collecting bottle 11, wherein, the existing collecting bottle 11 is usually provided with an exhaust valve, and the specific structure is not shown in the figure), and the sampling is completed.

During the use, the accessible passes through threaded connected mode with sampling connection 12 and fixes sampling connection 12 at the tail end of sampling tube 1, there is sealing washer 14 between the tail end of sampling tube 1 and the sampling connection 12 simultaneously, improve the sealed degree between sampling tube 1 and the sampling connection 12 through setting up sealing washer 14, avoid water to spill over from the junction when using, again with mounting panel 17 through the mode connection of screw thread in sampling connection 12's bottom, it filters to get into sampling tube 1 in water matter to hinder mud net 19 through mounting panel 17 bottom cylinder groove 18, get rid of the big solid particle that contains in the water matter, avoid sampling tube 1 to cause the jam phenomenon when using.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an aassessment water pollution detection sampling device, includes sampling tube (1), its characterized in that: the sampling device is characterized in that a threaded connecting seat (2) is installed at the top end of the sampling tube (1), a disposable isolating sleeve (3) is inserted into the sampling tube (1), the caliber of the disposable isolating sleeve (3) is matched with that of the sampling tube (1), and the surface of the threaded connecting seat (2) is connected with a fixed cover (4) through threads;

the inner wall sliding connection of disposable isolation sleeve (3) has sealed rubber piston (5), catch bar (6) are installed at the top of sealed rubber piston (5), and fixed lid (4) is run through and extend to its top on the top of catch bar (6).

2. The apparatus for detecting and sampling contamination with water according to claim 1, wherein: a connecting port (7) is formed in one side of the surface of the sampling tube (1), a round hole (8) communicated with the connecting port (7) is formed in one side of the surface of the disposable isolating sleeve (3), and the connecting port (7) is matched with the caliber of the round hole (8).

3. The apparatus for detecting and sampling contamination with water according to claim 2, wherein: l type connecting pipe (9) are installed to one side of connector (7), connecting piece (10) are installed on the top of L type connecting pipe (9), the top threaded connection of connecting piece (10) has collecting bottle (11) of discharge valve.

4. The apparatus for detecting and sampling contamination with water according to claim 1, wherein: the below of sampling tube (1) is provided with sampling joint (12), spread groove (13) have been seted up at the top of sampling joint (12), and the bottom threaded connection of sampling tube (1) and the inside of spread groove (13), the interior diapire of spread groove (13) is provided with sealing washer (14).

5. The apparatus for detecting and sampling contamination with water according to claim 4, wherein: the inner bottom wall of the connecting groove (13) is provided with a communicating opening (15), and the inside of the sampling joint (12) is provided with a water inlet (16) communicated with the communicating opening (15).

6. The apparatus for detecting and sampling contamination with water according to claim 5, wherein: the bottom threaded connection of sampling joint (12) has mounting panel (17), cylinder groove (18) that are linked together with water inlet (16) are seted up to the bottom of mounting panel (17), the internally mounted of cylinder groove (18) hinders mud net (19).