CN215492568U

CN215492568U - Portable sampling device for water environment detection

Info

Publication number: CN215492568U
Application number: CN202120598449.8U
Authority: CN
Inventors: 王迁
Original assignee: Weinan Normal University
Current assignee: Weinan Normal University
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2022-01-11
Anticipated expiration: 2031-03-24

Abstract

The utility model relates to a portable sampling device for water environment detection, which comprises a sampling cylinder, wherein the upper end of the sampling cylinder is provided with a handle through a connecting mechanism, a user can adjust the length of the connecting mechanism, the handle is held by hands to control the depth of the sampling cylinder entering water so as to realize sampling at different depths, a sampling cavity is arranged in the sampling cylinder, one side of the left side and the right side, which is close to the sampling cavity, is respectively provided with a notch groove, a movable plate is rotationally connected with the notch groove, the movable plate can only be opened and closed in a single direction through a fixed plate in the notch groove, so that the device can only fill a sample into the sampling cavity from the outside through the notch groove and can not flow out the sample, a baffle plate is also arranged in the sampling cavity, the baffle plate is rotationally connected with the sampling cylinder through a sealing ring, the user can rotate a rotating ring so that the baffle plate and the movable plate are relatively overlapped so as to limit the opening of the movable plate, in the process of avoiding the sample tube from sinking, the non-sample enters the sampling cavity in advance.

Description

Portable sampling device for water environment detection

Technical Field

The utility model relates to a sampling device, in particular to a portable sampling device for water environment detection.

Background

The water environment refers to the environment of the space where water is formed, distributed and transformed in nature, and the environmental problems are closely concerned by the whole society along with the development of modern industry and the bidirectional operation of a sustainable development strategy, so that the environmental protection is carried out very slowly. Environmental protection is mentioned, and protection to atmosphere, water, soil and the like can not be kept away, and water resources are closely related to survival, life and production of people in natural environment, so that the water resources are closely monitored by using modern emerging technology, and the environmental protection is of great significance.

Most of portable sampling devices adopted for water environment detection in the prior art adopt a sampling box or a sampling tube so as to be convenient for transportation, but the sampling box or the sampling tube inevitably compromises the sampling depth in the process of compromising the portability, and the existing sampling device can not ensure the accuracy of sampling and can not ensure the sampling depth to reach the expected standard in the process of taking a deep water sample.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a portable sampling device for water environment detection, which has the advantages of being capable of stably drawing deep water samples and ensuring accuracy and overcomes the defects that the drawing depth cannot be ensured and the accuracy is not high in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a water environment detects uses portable sampling device which characterized in that: comprises a sampling tube, a sampling cavity is arranged in the sampling tube, a notch groove is respectively arranged on the left side and the right side, the notch groove is relatively close to one side of the sampling cavity and is rotatably connected with a movable plate which is vertically arranged, the height and the width of the movable plate are not less than the length and the width of the notch groove, one side of the movable plate in the notch groove is also fixedly connected with a fixed plate which is horizontally arranged, a baffle is respectively arranged on the front side and the rear side in the sampling cavity, a small gap is arranged between the baffle and the inner wall of the sampling tube, the baffle and the movable plate are positioned at the same relative height, a fixed rod is fixedly connected with the upper end surface of the baffle, a sealing ring is rotatably connected in the upper end of the sampling tube, the fixed rod penetrates through the sealing ring and extends out of the sampling tube, a rotary loop is arranged on the upper end of the sampling tube aiming at the fixed rod, and the upper end surface of the sampling tube is fixedly connected with a handle through a connecting mechanism, the fixed rod is rotatably connected with the handle through a telescopic rod.

Preferably, coupling mechanism includes the screw rod, there is the connecting pipe through the external screw thread spiro union outward for the screw rod, the connecting pipe is inside to be provided with the internal thread to the screw rod, and the surface is provided with the external screw thread to also there is the internal thread pipe through the external screw thread spiro union, internal thread pipe up end and handle fixed connection, terminal surface and sampler barrel fixed connection under the screw rod.

Preferably, both sides all are provided with a stopper respectively around connecting pipe and the screw rod surface, internal thread pipe and connecting pipe all are provided with a slide to a stopper, No. one the slide does not run through internal thread pipe and connecting pipe.

Preferably, the sampling cavity is further provided with a partition plate, the outer surface of the partition plate is sleeved with a rubber ring, and the rubber ring is tightly attached to the sampling tube.

Preferably, terminal surface fixed connection carriage release lever under the baffle, the carriage release lever is provided with the external screw thread outward, the terminal surface is provided with the internal thread hole to the carriage release lever under the sampling tube to with the carriage release lever screw rod, be provided with the thief hole in the carriage release lever, outside the thief hole upper end extended to the baffle, the lower extreme extended to the thief hole, the thief hole lower extreme is provided with the rubber buffer.

Preferably, the rubber buffer is the toper, and the up end diameter is less than the thief hole, and the lower terminal surface diameter is greater than the thief hole.

Preferably, the telescopic link includes the connecting rod, the connecting rod divide into connecting rod and lower connecting rod, lower connecting rod and dead lever fixed connection, sliding connection has the regulation pole between two connecting rods.

Preferably, the lower end face of the handle is rotatably connected with a rotating ring, and the two upper connecting rods are fixedly connected with the rotating ring.

Preferably, the upper and lower both ends left and right sides of regulation pole is provided with a stopper No. two respectively, upward be provided with the slide No. two to No. two stoppers in connecting rod and the lower connecting rod, No. two slide upper ends do not run through the upper junction pole, and the lower extreme does not run through the lower connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the movable plate is rotatably connected with the sampling cylinder and the fixed plate is arranged in the movable plate, so that the movable plate can only be opened and closed in a fixed direction, water can only enter the sampling cavity and cannot exit the sampling cavity, thus the sample is prevented from being lost, meanwhile, the movable plate can be prevented from being opened and closed by combining the baffle plate rotatably connected with the sampling cylinder, the sampling cylinder can be ensured that a non-sample cannot enter the sampling cavity in the submerging process, and the purity of the sample is ensured.

The length of the device is adjustable through the connecting mechanism, the submergence depth of the sampling cylinder is controllable, and a user can control the baffle plate on the water surface only through the handle by combining the telescopic rod and the fixed rod.

The utility model has simple structure and slender appearance, and can save the occupied area in the transportation process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partially enlarged view of point B in fig. 2.

In the figure: 1. a handle; 2. a rotating ring; 3. a connecting mechanism; 301. a screw; 302. a connecting pipe; 303. an internally threaded tube; 304. a first limiting block; 305. a first slideway; 4. a seal ring; 5. fixing the rod; 6. a fixing plate; 7. a movable plate; 8. a baffle plate; 9. a rubber ring; 10. a partition plate; 11. a sampling hole; 12. a travel bar; 13. a rubber plug; 14. a telescopic rod; 1401. an upper connecting rod; 1402. adjusting a rod; 1403. a lower connecting rod; 1404. a second slideway; 1405. and a second limiting block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a portable sampling device for water environment detection includes a sampling cylinder, in which a sampling cavity is disposed for storing samples drawn from a water body.

The sampling tube left and right sides is provided with a breach groove respectively, the breach groove extends to the intracavity of taking a sample so that the water sample flows into the sample chamber from the breach inslot.

The breach groove is close to sample chamber one side relatively and rotates and is connected with a fly leaf 7, fly leaf 7 can rotate from top to bottom for the breach groove, fly leaf 7's height and width are not less than the length and the width in breach groove so that reach the purpose of accurate sample, but when not reaching the anticipated degree of depth when the sampler barrel submerges in the water, fly leaf 7 hinders external water perpendicularly with breach groove up end and gets into, when reaching the anticipated degree of depth, fly leaf 7 rotates and is parallel with breach groove up end to make breach groove and sample chamber link up.

The utility model discloses a water sampling cavity, including breach inslot fly leaf 7, breach chamber, fixed plate 6 and movable plate 7, breach intracavity fly leaf 7 keeps away from sample chamber one side still fixedly connected with relatively, makes fly leaf 7 can only rotate to the sample intracavity through fixed plate 6 to make when arriving anticipated degree of depth, the pressure of water self can open fly leaf 7, and when the water of packing into in the sample intracavity reached a timing, the weight of water self pressed back fly leaf 7 again, and both fly leaf 7 and breach groove up end are perpendicular, thereby made the water sample of sample intracavity be unlikely to the outflow.

The utility model discloses a sampling device, including a sampling chamber, baffle 8, movable plate 7, baffle 8 and sampling tube inner wall, baffle 8 and movable plate 7 are located same relative height, when the sampling tube submerges in the water but not reach the anticipated degree of depth, it makes its and movable plate 7 coincide relatively to rotate baffle 8, hinder movable plate 7 to open and shut, both hindered external water and got into, after reach the anticipated degree of depth rotate baffle 8 once more, under external water pressure, movable plate 7 is opened, begin to pour into the sample, when the water of packing into in the sampling chamber reaches a definite time, the weight of water self is pressed back movable plate 7 again, rotate baffle 8 once more, accomplish the fixed of movable plate 7, avoid external water to get into the sampling chamber at the lift-up in-process, pollute the sample.

Still be provided with baffle 10 in the sample chamber, baffle 10 surface has cup jointed rubber ring 9, rubber ring 9 and the relative seal of sample section of thick bamboo between baffle 10 has been accomplished in the inseparable laminating of sample section of thick bamboo, can reduce the volume in sample chamber through baffle 10, both can adjust according to actual sample demand, can also adjust according to the sample time, and generally speaking, the sample chamber volume is less, and the closed required time of fly leaf 7 is just shorter, and the sample time is just also shorter.

The terminal surface fixed connection carriage release lever 12 under the baffle 10, the carriage release lever 12 is provided with the external screw thread outward, the terminal surface is provided with the internal thread hole to carriage release lever 12 down to with the 12 spiro union of carriage release lever, through rotating the usable screw-thread fit change relative length that carriage release lever 12 is located the carriage release lever, and then change the volume in sample chamber.

Be provided with the thief hole 11 in the carriage release lever 12, outside 11 upper ends of thief hole extended to baffle 10, the lower extreme extended to the

thief hole

11, 11 lower extremes of thief hole are provided with rubber buffer 13, and rubber self just has great frictional force, can not follow the interior roll-off of thief hole 11, and when extracting rubber buffer 13, thief hole 11 link up, and the water sample can be followed and flowed in the thief, and the user of being convenient for uses.

Rubber buffer 13 is the toper, and the up end diameter is less than thief hole 11, and the lower terminal surface diameter is greater than thief hole 11, because rubber has certain elasticity, utilize the jam thief hole 11 that the toper design can be better, prevent that the sample chamber from passing through thief hole 11 and external intercommunication.

The upper end face of the sampling tube is fixedly connected with a handle 1 through a connecting mechanism 3.

The connecting mechanism 3 comprises a screw 301, a connecting pipe 302 is screwed outside the screw 301 through external threads, the connecting pipe 302 is internally provided with an internal thread with respect to the screw 301, and externally provided with an external thread on the outer surface, and is also screwed with an internal thread tube 303 through an external thread, the upper end surface of the internal thread tube 303 is fixedly connected with the sampling tube, the lower end surface of the screw 301 is fixedly connected with the sampling tube, a two-end type connection can be formed by the thread fit between the screw 301 and the connecting pipe 302 and the thread fit between the connecting pipe 302 and the internally threaded pipe 303, through changing the length in screw 301 screw in connecting pipe 302, changing the length in connecting pipe 302 screw in internal thread pipe 303 and changing coupling mechanism 3's whole height, compare in other connected modes, adopt screw-thread fit's connected mode both to make length adjustment controllable, still make this device size less, the transportation of being convenient for.

Both sides all are provided with a stopper 304 respectively around connecting pipe 302 and the screw rod 301 surface, internal thread pipe 303 and connecting pipe 302 are provided with a slide 305 to a stopper 304, a slide 305 does not run through internal thread pipe 303 and connecting pipe 302 and separates in order to avoid a stopper 304 to follow internal thread pipe 303 and connecting pipe 302, both avoided connecting pipe 302 and screw rod 301, connecting rod and internal thread pipe 303 to separate, drop.

Baffle 8 upper end fixedly connected with dead lever 5, the inside rotation in sampling cylinder upper end is connected with sealing ring 4, dead lever 5 runs through sealing ring 4, outside extending to the sampling cylinder, the sampling cylinder upper end is provided with rotatory ring way so that the dead lever rotates along with sealing ring 4 to dead lever 5, can enough make dead lever 5 rotate for the sampling cylinder through the existence of sealing ring 4 simultaneously, still makes dead lever 5 rotate the in-process, and the sampling cylinder does not have liquid exchange passageway with the external world, has avoided polluting the sample.

The utility model discloses a sampling device, including dead lever 5, handle, telescopic link 14, connecting mechanism 3, telescopic link 14, connecting mechanism 14, sampling tube, baffle 8, control fly leaf 7, the upper end fixedly connected with telescopic link 14 of dead lever 5, 1 lower extreme of handle rotates and is connected with

swivel ring

2, 14 upper ends and swivel ring 2 fixed connection of telescopic link, can make when this device passes through connecting mechanism 3 and adjusts length between handle 1 and the sampling tube through telescopic link 14, both when adjusting the sampling depth, telescopic link 14 can extend thereupon or shorten, simultaneously because telescopic link 14 self does not have crooked nature, so user's accessible handle 1 below swivel ring 2 drives telescopic link 14 and then drives baffle 8 and rotate this moment, the realization is controlled opening and shutting of fly leaf 7.

The telescopic rod 14 comprises a connecting rod which is divided into an upper connecting rod 1401 and a lower connecting rod 1403, the lower connecting rod 1403 is fixedly connected with the fixed rod 5, an adjusting rod 1402 is connected between the two connecting rods in a sliding mode, a through hole is formed in the connecting rod for the adjusting rod 1402, the adjusting rod 1402 is located in the through hole, the overall length of the telescopic rod 14 is changed by changing the length of the adjusting rod 1402 immersed in the connecting rod, meanwhile, due to the sliding connection, the length of the telescopic rod 14 does not need to be adjusted manually, and the length of the telescopic rod 14 can be changed automatically along with the change of the connecting mechanism 3.

Adjust pole 1402 upper and lower both ends left and right sides and be provided with a stopper 1405 No. two respectively, be provided with slide 1405 No. two in going up connecting rod 1401 and the lower connecting rod 1403 to stopper 1404, slide 1405 upper end does not run through upper connecting rod 1401 No. two, and the lower extreme does not run through lower connecting rod 1403 in order to avoid slide 1405 No. two to separate with the connecting rod, avoids adjusting pole 1402 and connecting rod separation, drops promptly.

The working principle is as follows: according to the utility model, the movable plate 7 can only be opened and closed towards one end through the fixed plate 6, so that water can only be fed in, and water cannot be discharged, and the sample is prevented from being lost, and then the opening and closing of the movable plate 7 are limited by the baffle 8 through the baffle 8 which can rotate around the sampling cylinder, so that the situation that only a water sample with a fixed depth is taken is avoided, the sample is prevented from being polluted, and the sample is ensured to be accurately drawn.

The utility model utilizes the connecting mechanism 3 to control the distance between the handle 1 and the sampling cylinder, not only changes the sampling depth by changing the length of the connecting mechanism 3, but also utilizes the telescopic rod 14 which can extend along with the connecting mechanism 3 to control the baffle 8 to rotate. And then realize when gathering the great water of degree of depth, the user still can control the sampling tube.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water environment detects uses portable sampling device which characterized in that: the sampling device comprises a sampling tube, wherein a sampling cavity is arranged in the sampling tube, the left side and the right side of the sampling tube are respectively provided with a notch groove, one side of the notch groove, which is relatively close to the sampling cavity, is rotatably connected with a vertically arranged movable plate (7), the height and the width of the movable plate (7) are not less than the length and the width of the notch groove, and one side of the movable plate (7) in the notch groove is also fixedly connected with a horizontally arranged fixed plate (6);

the front side and the rear side in the sampling cavity are respectively provided with a baffle (8), a small gap is formed between the baffle (8) and the inner wall of the sampling tube, and the baffle (8) and the movable plate (7) are positioned at the same relative height;

a fixed rod (5) is fixedly connected to the upper end face of the baffle (8), a sealing ring (4) is rotatably connected to the inner portion of the upper end of the sampling cylinder, the fixed rod (5) penetrates through the sealing ring (4) and extends out of the sampling cylinder, and a rotary loop is arranged at the upper end of the sampling cylinder aiming at the fixed rod (5);

the sampling tube upper end face passes through coupling mechanism (3) fixedly connected with handle (1), dead lever (5) are connected with handle (1) rotation through telescopic link (14).

2. The portable sampling device for detecting the water environment according to claim 1, wherein: coupling mechanism (3) include screw rod (301), screw rod (301) have connecting pipe (302) through the external screw thread spiro union outward, connecting pipe (302) are inside to be provided with the internal thread screw rod (301), and the surface is provided with the external screw thread to also have internal thread pipe (303) through the external screw thread spiro union, internal thread pipe (303) up end and handle (1) fixed connection, terminal surface and sampler barrel fixed connection under screw rod (301).

3. The portable sampling device for detecting the water environment according to claim 2, wherein: connecting pipe (302) and screw rod (301) surface front and back both sides all are provided with a stopper (304) respectively, internal thread pipe (303) and connecting pipe (302) all are provided with slide (305) to a stopper (304), slide (305) do not run through internal thread pipe (303) and connecting pipe (302).

4. The portable sampling device for detecting the water environment according to claim 1, wherein: the sampling cavity is also internally provided with a clapboard (10), the outer surface of the clapboard (10) is sleeved with a rubber ring (9), and the rubber ring (9) is tightly attached to the sampling tube.

5. The portable sampling device for detecting the water environment according to claim 4, wherein: terminal surface fixed connection carriage release lever (12) under baffle (10), be provided with the external screw thread outside carriage release lever (12), the terminal surface is provided with the internal thread hole to carriage release lever (12) under the sampling tube to with carriage release lever (12) screw rod (301), be provided with in carriage release lever (12) thief hole (11), thief hole (11) upper end extends to outside baffle (10), and the lower extreme extends to outside thief hole (11), thief hole (11) lower extreme is provided with rubber buffer (13).

6. The portable sampling device for detecting the water environment according to claim 5, wherein: rubber buffer (13) are the toper, and up end diameter is less than thief hole (11), and lower terminal surface diameter is greater than thief hole (11).

7. The portable sampling device for detecting the water environment according to claim 1, wherein: the telescopic rod (14) comprises a connecting rod, the connecting rod is divided into an upper connecting rod (1401) and a lower connecting rod (1403), the lower connecting rod (1403) is fixedly connected with the fixing rod (5), and a regulating rod (1402) is connected between the two connecting rods in a sliding mode.

8. The portable sampling device for detecting the water environment according to claim 7, wherein: the lower end face of the handle (1) is rotatably connected with a rotating ring (2), and the two upper connecting rods (1401) are fixedly connected with the rotating ring (2).

9. The portable sampling device for detecting the water environment according to claim 7, wherein: the utility model discloses a slide (1405) is provided with No. two stopper (1404) to No. two stopper (1404) in adjusting pole (1402) upper and lower both ends left and right sides respectively, be provided with No. two slide (1405) to No. two stopper (1404) in upper connecting rod (1401) and lower connecting rod (1403), No. two slide (1405) upper end does not run through upper connecting rod (1401), and the lower extreme does not run through lower connecting rod (1403).