CN218725753U

CN218725753U - Water body layering sampling device

Info

Publication number: CN218725753U
Application number: CN202222830380.4U
Authority: CN
Inventors: 曹宏川; 赵雪峰; 李甜甜; 周国庆
Original assignee: Wuhan Boyuan Testing Technology Co ltd
Current assignee: Wuhan Boyuan Testing Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-24
Anticipated expiration: 2032-10-26

Abstract

The utility model provides a water layering sampling device, including sampler barrel and sealed end cap, the water inlet has been seted up to the periphery wall of sampler barrel, the top elastic connection of sampler barrel has the air discharge valve pole, and the top of air discharge valve pole is provided with and seals the relative top of end cap and opens the board. The utility model discloses in, top at the sampling tube that is used for the sample sets up the air discharge valve pole, the air discharge valve pole has the elasticity reset function, sealed end cap upward movement control water inlet on the sampling tube can promote air discharge valve pole upward movement in step when opening, during the air discharge valve pole upward movement, the water passes through the in-process that the water inlet got into the sampling tube, gas in the sampling tube can upwards discharge through the air discharge valve pole, and then has the advantage of sample with higher speed, and can fill the sampling tube completely, the sample finishes the back, when the water inlet seals, the air discharge valve pole resets, need not extra control means.

Description

Water body layering sampling device

Technical Field

The utility model relates to an environmental monitoring technical field specifically is a water layering sampling device.

Background

Because natural water bodies usually have huge three-dimensional structures and water body characteristics at different positions can be different, a plurality of sampling points are required to be arranged in the same water body for inspecting the real environment of the water body; on the horizontal layer, the sampling points can be changed through manual movement, and on the vertical layer, the sampling equipment is required to perform layered underwater operation; however, the sampling device in the prior art is generally difficult to accurately and effectively realize the function, and generally has unsatisfactory acquisition precision, and microorganisms in different water layers are easily mixed with water flow to influence the subsequent analysis result.

In view of this publication: CN215414513U discloses a water body stratified sampling device, includes: the sampling assembly, the bearing frame, the sealing plug, the connecting piece, the telescopic rod and the driving mechanism; the sampling assembly is placed in a matched mode and fixedly installed inside the bearing frame, the sampling assembly comprises a plurality of sampling cylinders, a water inlet is formed in the side wall of each sampling cylinder, the telescopic rod is installed on one side of the bearing frame and is arranged in parallel with the bearing frame, the telescopic rod is connected with the driving mechanism and driven to work by the driving mechanism, one end of the connecting piece is fixedly connected with the telescopic rod, one end, far away from the telescopic rod, of the connecting piece is fixedly connected with the sealing plug, and the sealing plug is tightly attached to the side wall of each sampling cylinder to seal the water inlet in a matched mode; but the water inlet on its sampling tube is located the lateral wall, before the water inlet is opened, the sampling tube seals, and the water inlet is opened the back, exists the air in the sampling tube, can influence the speed that the water passes through in the water inlet gets into the sampling tube from this, and the gas in the sampling tube is difficult to all by extrusion discharge moreover, so the water is difficult to fill whole sampling tube, and its reason of analysis is that this sampling tube is exhaust when lacking the sample and sample after the confined defect or not enough.

Defect to above-mentioned sampling device is perhaps not enough, the utility model provides a water layering sampling device.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a water layering sampling device to solve the problem that proposes in the above-mentioned background art, the utility model discloses at the exhaust valve rod that the top installation elastic slip of sampler barrel set up, open the exhaust valve rod in the back during sealed end cap upward movement, during sealed end cap downward movement, exhaust valve rod automatic re-setting.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a water layering sampling device, includes sampler barrel and sealed end cap, and the water inlet has been seted up to the periphery wall of sampler barrel, the top elastic connection of sampler barrel has the air discharge valve pole, and the top of air discharge valve pole is provided with and seals the relative top of end cap and open the board.

Further, a water layering sampling device, including sampler barrel and sealed end cap, the water inlet has been seted up to the periphery wall of sampler barrel, the top elastic connection of sampler barrel has the exhaust valve pole, and the top of exhaust valve pole is provided with and seals the relative top of end cap and open the board.

Furthermore, a valve sleeve is fixedly arranged on the sampling tube and communicated with the inner cavity, one end of the exhaust valve rod is sleeved in the valve sleeve, and a spring is arranged between the exhaust valve rod and the valve sleeve.

Further, the bottom of the exhaust valve rod is provided with an air flue communicated with the inner cavity of the sampling barrel, the outer wall of the exhaust valve rod is provided with an air outlet communicated with the air flue, and the air outlet is close to the top opening plate.

Furthermore, the bottom welding of exhaust valve rod has the fender dish, the spring setting is kept off between the top in dish and the sampling tube.

Furthermore, the top of the sealing plug is provided with an ejector rod.

Furthermore, a threaded hole is formed in the top of the sealing plug, and the bottom of the ejector rod is connected with the threaded hole in a screwing mode.

The utility model discloses a beneficial effect after relative prior art improves: the utility model relates to a water body layered sampling device, which comprises a sampling cylinder; a water inlet; a valve housing; sealing the plug; a top rod; a threaded hole; an exhaust valve stem; ejecting the plate; an air outlet; an airway; a spring; a baffle disc.

Set up the air discharge valve pole at the top that is used for the sampling barrel of sample, the air discharge valve pole has the elasticity function of resetting, can promote air discharge valve pole upward movement in step when the water inlet on the sealed end cap upward movement control sampling barrel is opened, during the air discharge valve pole upward movement, the water passes through the in-process that the water inlet got into the sampling barrel, gas in the sampling barrel can upwards discharge through the air discharge valve pole, and then has the advantage of sample with higher speed, and can fill the sampling barrel completely, the back is accomplished in the sample, when the water inlet seals, the air discharge valve pole resets, need not extra control means.

Drawings

Fig. 1 is a schematic structural view of the utility model showing the matching of a sampling cylinder, a sealing plug and an exhaust valve rod in a layered water sampling device;

FIG. 2 is a schematic structural view of the sealing plug and the exhaust valve rod of the layered water sampling device according to the present invention;

fig. 3 is an enlarged schematic structural view of a part "a" in fig. 2 of the layered water sampling apparatus of the present invention;

in the figure: 1. a sampling tube; 11. a water inlet; 12. a valve housing; 2. sealing the plug; 21. a top rod; 22. a threaded hole; 3. an exhaust valve stem; 31. ejecting the plate; 32. an air outlet; 33. an airway; 4. a spring; 5. a baffle disc.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a water layering sampling device, including sampler barrel 1 and sealed end cap 2, the quantity of sampler barrel 1 is for many with and adopt end to end's distribution structure, water inlet 11 has been seted up to the periphery wall of sampler barrel 1, sealed end cap 2's effect is the shutoff and opens water inlet 11, water inlet 11 is in the totally enclosed state by whole sampler barrel 1 after sealed, the top elastic connection of sampler barrel 1 has vent valve rod 3, when vent valve rod 3 moves up, the inner chamber and the outside intercommunication of sampler barrel 1, vent valve rod 3 is in the encapsulated situation again after reseing under the effect of elasticity back sampler barrel 1, vent valve rod 3's top is provided with the back opening plate 31 relative with sealed end cap 2, can upwards promote back opening plate 31 during the relative adjacent sampler barrel 1 upward movement of sealed end cap 2, the water inlet 11 that corresponds simultaneously opens, otherwise then water inlet 11 is sealed, when water inlet 11 opens, outside water can be in the sampler barrel 1 because the exhaust effect of vent valve rod 3 can pass through water inlet 11 acceleration entering sampler barrel, and can fill sampler barrel 1 completely, this sampler barrel 1, this current has the speed that does not have the improvement function of exhaust relatively and realize the advantage of filling completely.

This embodiment, the fixed valve barrel 12 that is provided with of sampler barrel 1, valve barrel 12 intercommunication inner chamber, a pot head of exhaust valve pole 3 is established in valve barrel 12, waterproof cover is established to the cover in the valve barrel 12, be provided with spring 4 between exhaust valve pole 3 and the valve barrel 12, it has fender dish 5 specifically to weld the bottom of exhaust valve pole 3, spring 4 sets up between the top in fender dish 5 and sampler barrel 1, wherein air flue 33 and the outer wall of intercommunication sampler barrel 1 inner chamber are seted up to the bottom of exhaust valve pole 3 and set up the venthole 32 of intercommunication air flue 33, venthole 32 is near the setting of back-up plate 31, when venthole 32 is located valve barrel 12, air flue 33 is blocked, when venthole 32 is located the outside of valve barrel 12, 1 inner chamber of sampler barrel passes through air flue 33 and outside intercommunication, ventilate and gas-break simple structure.

This embodiment, the top of sealed end cap 2 is provided with ejector pin 21, and sealed end cap 2 promotes the motion of ejecting board 31 through ejector pin 21, and is specific that the top of sealed end cap 2 is seted up threaded hole 22, and the bottom and the threaded hole 22 of ejector pin 21 close the connection soon, damages easily when ejector pin 21 frequently uses, and this kind closes the complex mode soon and can conveniently change ejector pin 21, extension sampling device's life.

When using, with sampler 1 of the sampler 1 replacement background art in this application disclosed a water layering sampling device's sampler 1, when using the sampling device after the replacement, the staff places this sampling device at the assigned position earlier, end to end a plurality of sampler 1 in proper order and form a whole, put into the carriage again with it, will bear the weight of the frame joint on the mounting bracket, the sleeve contacts with the second stopper this moment, sealed end cap 2 is in the position of shutoff water inlet 11, then sink the device to the waters of treating the sample, control the depth of sinking, when arriving the assigned position, start actuating mechanism and drive the telescopic link shrink and then drive sealed end cap 2 upward movement, the telescopic link drives sleeve rebound simultaneously, stop motion when the sleeve contacts first stopper, meanwhile, ejector pin 21 pushes up top opening plate 31 upwards, venthole 32 moves to the top of valve barrel 12, at this moment, the water can get into sampler 1 through water inlet 11 fast, and can fill sampler 1 completely, control sealed end of taking a sample after finishing sampling sealed end to reset, valve rod 3 is under the effect of spring 4, be in the water sampling device's the different depth completely, can be in the sampler 1 and carry out the whole sampling device to the sampling process of taking a plurality of sample under the sample, the sample 1, can be dismantled completely, the sample under the sample process of taking out, the sample, the water layering sampling device, it can be accomplished to bear the whole sample under the sample.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a water layering sampling device, includes sampler barrel (1) and sealed end cap (2), and water inlet (11) have been seted up to the periphery wall of sampler barrel (1), its characterized in that, the top elastic connection of sampler barrel (1) has exhaust valve rod (3), and the top of exhaust valve rod (3) is provided with and pushes up board (31) relative with sealed end cap (2).

2. The layered water sampling device of claim 1, wherein: the sampling tube (1) is fixed with a valve sleeve (12), the valve sleeve (12) is communicated with the inner cavity, a sleeve of the exhaust valve rod (3) is arranged in the valve sleeve (12), and a spring (4) is arranged between the exhaust valve rod (3) and the valve sleeve (12).

3. The layered water sampling device of claim 2, wherein: the bottom of the exhaust valve rod (3) is provided with an air passage (33) communicated with the inner cavity of the sampling tube (1), the outer wall of the exhaust valve rod is provided with an air outlet (32) communicated with the air passage (33), and the air outlet (32) is arranged close to the top opening plate (31).

4. The layered water sampling device of claim 3, wherein: the bottom welding of exhaust valve rod (3) has fender dish (5), spring (4) set up between the top in keeping off dish (5) and sampling tube (1).

5. The layered water sampling device of claim 1, wherein: and the top of the sealing plug (2) is provided with an ejector rod (21).

6. The layered water sampling device of claim 5, wherein: the top of the sealing plug (2) is provided with a threaded hole (22), and the bottom of the ejector rod (21) is connected with the threaded hole (22) in a screwing mode.