CN210953495U

CN210953495U - Sewage collection system is used in environmental science research

Info

Publication number: CN210953495U
Application number: CN201920314232.2U
Authority: CN
Inventors: 邱钜燎
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-07-07
Anticipated expiration: 2029-03-12

Abstract

The utility model discloses a sewage collection system for environmental science research belongs to sampling device technical field. The collecting device comprises a push-pull rod, a sampling cover, a sampling cylinder and a suction pipe; the sampling cylinder comprises a cylinder body and a sealing cover, and the sealing cover is in slidable sealing connection with the inner wall of the cylinder body; sampling cylinder detachably installs the inside of sampling cover, the lower extreme of push-and-pull rod passes the top of sampling cover with sealed lid can dismantle the connection, the upper end of straw is passed the bottom of sampling cover with barrel detachably sealing connection, straw and barrel communicate each other. The utility model discloses a sampling cylinder can be changed to collection system, effectively avoids the water sample to mix, is favorable to improving the accuracy of testing result, can guarantee sampling personnel's security simultaneously.

Description

Sewage collection system is used in environmental science research

Technical Field

The utility model relates to a sampling device technical field, concretely relates to sewage collection system for environmental science research.

Background

The sewage is formed by doping new substances into water or changing external conditions, so that the water is deteriorated and cannot keep the original use function, and the sewage mainly comprises domestic sewage, industrial wastewater and initial rainwater. The main pollutants of the sewage include pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like.

With the improvement of the environmental protection consciousness of the current state, the environmental monitoring department monitors the sewage more and more frequently. Sampling of a water sample is a very important link in sewage monitoring, representative sewage can be collected, the content of various pollutants in the sewage and the pollution degree can be correctly evaluated, the treatment method can be determined, and reasonable utilization can be carried out again, so that the sampling is required to be interfered as little as possible, and the accuracy of a test result is ensured. At present, a pot-type or bottle-type sampler is generally adopted to sample near sewage and is directly deep into the detected sewage to collect samples, and the sampler has the following defects: firstly, unsanitary, even harm to the staff: because the sewage often contains more bacteria or toxic substances, the sewage is attached to the outer surface of a sampling device during sampling, and collection personnel can easily contact the sewage during sampling, so that potential physical harm is caused to the working personnel; secondly, current sampling device used repeatedly, need be stained with the filth that attaches on the utensil inner wall before using at every turn and wash, otherwise will influence the exactness of the testing result of next sample specimen, nevertheless wash more time-consuming, hard, the operation is inconvenient, and adopt disposable sampling device again the increase cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model aims to provide an environmental science is sewage collection system for research, this collection system can change the sampling section of thick bamboo, effectively avoids the water sample to mix, is favorable to improving testing result's accuracy, can guarantee sampling personnel's security simultaneously.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

a sewage collection device for environmental science research comprises a push-pull rod, a sampling cover, a sampling cylinder and a suction pipe; the sampling cylinder comprises a cylinder body and a sealing cover, and the sealing cover is in slidable sealing connection with the inner wall of the cylinder body; sampling cylinder detachably installs the inside of sampling cover, the lower extreme of push-and-pull rod passes the top of sampling cover with sealed lid can dismantle the connection, the upper end of straw is passed the bottom of sampling cover with barrel detachably sealing connection, straw and barrel communicate each other.

As the utility model discloses preferred embodiment, the fixed push-and-pull portion that is provided with in upper end of push-and-pull rod, the lower extreme of push-and-pull rod passes the sampling cover is connected with the connecting plate, the symmetry is provided with two joint axles on the lower surface of connecting plate.

Further preferably, a sliding groove matched with the clamping shaft is formed in the sealing cover, and a clamping hole communicated with the sliding groove is formed in the upper surface of the sealing cover; the clamping shaft penetrates through the clamping hole and is clamped in the sliding groove.

As the utility model discloses preferred embodiment, set up bellied slide rail on the inner wall of barrel, be provided with on the outer peripheral face of sealed lid with slide rail assorted spout, sealed lid passes through slide rail and the cooperation slidable ground of spout are connected on the barrel.

As the utility model discloses preferred embodiment, the sampling cover is including the cover body and hatch door, seted up on the side of the cover body with hatch door assorted opening, the left side of hatch door with open-ended one side is rotated and is connected, the right side of hatch door with open-ended opposite side joint.

As a preferred embodiment of the present invention, a through hole for the push-pull rod to pass through is formed on the top of the cover body; an avoiding slot is arranged at the bottom of the cover body.

As a preferred embodiment of the present invention, a clamping block is disposed on the right side of the cabin door, a clamping groove matched with the clamping block is disposed on the opening, and the clamping block is clamped in the clamping groove; two gaps are symmetrically arranged on the position, close to the clamping block, of the cabin door.

As the utility model discloses preferred embodiment, the installing port has been seted up on the hatch door, swing joint has the handle on the installing port.

Further preferably, the barrel is made of a transparent material; and scales are arranged on the barrel body corresponding to the positions of the mounting openings.

As a preferred embodiment of the present invention, the upper end of the straw is provided with a connecting pipe, and the joint of the connecting pipe and the straw is provided with a first blocking piece and a second blocking piece; the connecting pipe with barrel detachably sealing connection, the sampling cover joint is in between first washer and the second washer.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the sewage collection device for environmental science research, which is disclosed by the utility model, is connected with the push-pull rod, the sampling cover, the sampling cylinder and the straw through adopting a detachable connection mode, so that the sampling cylinder can be detached and is convenient to replace, water sample mixing is effectively avoided, the accuracy of a detection result is well ensured, on the other hand, sampling can be performed next time only by replacing the sampling cylinder and the straw, cleaning is not needed, the use is very convenient, and the sampling cost is low; in addition, the arrangement of the sampling cover and the suction pipe can lead the sampling process to be sanitary, and the suction pipe is inserted into the sewage to lift the push-pull rod for sampling, so that the possibility of contact between sampling personnel and the sewage is well avoided, the sampling safety is greatly improved, and the problem that the existing sewage collector affects the health of the sampling personnel is effectively solved; through transparent material preparation barrel and set up the scale on the barrel for the sampling personnel can observe the water sample of gathering well, the ration of being convenient for is gathered. To sum up, the utility model has the advantages of simple structure, ingenious and reasonable design, be convenient for gather sewage, have advantages such as efficient, the rate of accuracy is high, the cost of manufacture is low, portable, and convenient to use has very big market value, is worth extensively promoting.

Drawings

FIG. 1 is a schematic structural view of a sewage collecting device for environmental science research according to the present invention;

FIG. 2 is an exploded view of the sewage collection device for environmental science research according to the present invention;

FIG. 3 is a partial sectional view of the sewage collecting device for environmental science research according to the present invention;

fig. 4 is a schematic view illustrating the connection between the push-pull rod and the sealing cover according to the present invention;

fig. 5 is another schematic view illustrating the connection between the push-pull rod and the sealing cap according to the present invention;

FIG. 6 is a schematic view of the sewage collecting device of the present invention in a state of being filled with sewage;

the reference numbers illustrate: 1. a push-pull rod; 11. a push-pull section; 12. a connecting plate; 13. clamping the shaft; 2. a sampling cover; 21. a cover body; 211. an opening; 212. a through hole; 213. avoiding and slotting; 214. a clamping groove; 22. A cabin door; 221. a clamping block; 222. opening the gap; 223. an installation port; 23. a handle; 3. a sampling cartridge; 31. A barrel; 311. a slide rail; 32. a sealing cover; 321. a chute; 322. a sliding groove; 323. a clamping hole; 4. A straw; 41. a connecting pipe; 42. a first blocking sheet; 43. a second blocking sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, the sewage collecting device for environmental science research of the utility model comprises a push-pull rod 1, a sampling cover 2, a sampling cylinder 3 and a suction pipe 4. Specifically, the sampling cylinder 3 is cylindrical and comprises a cylinder body 31 and a sealing cover 32 matched with the cylinder body 31, wherein the sealing cover 32 is arranged in the cylinder body 31 and is in slidable sealing connection with the inner wall of the cylinder body 31; sampling cylinder 3 detachably installs in the inside of sampling cover 2, and the lower extreme of push-and-pull rod 1 passes the top of sampling cover 2 and can dismantle with sealed lid 32 and be connected, and the upper end of straw 4 passes the bottom of sampling cover 2 and can dismantle sealing connection with barrel 31, and straw 4 and barrel 31 communicate each other. When sampling, only need insert the sewage with straw 4 in, upwards carry and pull push-pull rod 1 and drive sealed lid 32 rebound, make the inside negative pressure that forms of barrel 31, can absorb sewage to the barrel 31 in, at this sampling in-process, the sampling personnel can not contact with sewage, has effectively guaranteed the security of sampling personnel, the effectual current sewage collection utensil of having solved causes the problem of influence to the personnel health of gathering. All adopt detachable connected mode between push-and-pull rod 1 and sampling cylinder 3, sampling cylinder 3 and sampling cover 2, sampling cylinder 3 and the straw 4 for all be convenient for change with the straw 4 and the sampling cylinder 3 of sewage contact, avoided the water sample well to mix, thereby effectively improved the accuracy of sewage detection result.

Specifically, the sampling hood 2 includes a hood body 21 and a door 22, the hood body 21 is cylindrical, a semicircular opening 211 is formed in the outer peripheral surface of the hood body 21, and the door 22 is matched with the opening 211, that is, the door 22 and the hood body 21 are assembled to form a complete cylinder. The left side of the hatch 22 is rotatably connected to one side of the opening 211 in the following manner: the upper end and the lower end of the left side of the cabin door 22 are both provided with rotating shafts, the upper end and the lower end of the left side of the opening 211 are both provided with mounting holes corresponding to the positions of the rotating shafts, and the rotating shafts are inserted in the mounting holes, so that the cabin door 22 is rotatably connected with the opening 211. Of course, the hatch 22 and the opening 211 may be connected by a hinge or the like, so that a rotatable connection is also possible. The right side of the hatch 22 is clamped with the other side of the opening 211, and the specific rotary connection mode is as follows: the right side of the cabin door 22 is provided with a clamping block 221, the opening 211 is provided with a clamping groove 214 matched with the clamping block 221, and during assembly, the clamping block 221 is pressed to clamp the clamping block 221 in the clamping groove 214, so that the right side of the cabin door 22 is detachably connected with the cover body 21. In order to avoid the damage of the clamping block 221 caused by repeated pressing, two notches 222 are symmetrically arranged on the position, close to the clamping block 221, of the cabin door 22 by taking the clamping block 221 as the center, the service life of the clamping block 221 can be effectively prolonged by the arrangement of the notches 222, and the cabin door 22 is convenient to open and close. Further preferably, the hatch 22 is provided with an installation opening 223, the installation opening 223 is movably connected with the handle 23 in a hinged manner, and the like, and of course, a connection manner of the rotating shaft and the installation hole can also be adopted between the handle 23 and the hatch 22. The installation opening 223 is convenient for installing and placing the handle 23, and meanwhile, the collected water sample can be observed through the installation opening 223; be provided with handle 23, not only make things convenient for taking of collection system, it is whole also to make things convenient for the stable collection system when sampling simultaneously, is favorable to improving collection rate. Preferably, the top of the cover body 21 is provided with a through hole 212 for the push-pull rod 1 to pass through, the push-pull rod 1 passes through the through hole 212 to be detachably connected with the cylinder body 31 of the sampling cartridge 3, the shape of the through hole 212 matches with the shape of the push-pull rod 1, for example, the cross section of the push-pull rod 1 and the shape of the through hole 212 are both cross-shaped, circular or trident. Preferably, the bottom of the cover 21 is provided with an avoiding slot 213 for avoiding the straw 4, the avoiding slot 213 is U-shaped, and the U-shaped bottom of the avoiding slot 213 extends outwards from the center of the bottom of the cover 21 along the radius direction until penetrating through the bottom of the cover 21.

Specifically, the upper end of the push-pull rod 1 is fixedly provided with the push-pull portion 11, and the width of the push-pull portion 11 is greater than the maximum width of the through hole 212 of the cover 21, so that the push-pull portion 11 is always located outside the cover 21, and is convenient to push and pull. The lower extreme of push-and-pull rod 1 passes sampling cover 2 and is connected with connecting plate 12, and the symmetry is provided with two joint axle 13 on the lower surface of connecting plate 12, and this joint axle 13 includes connecting portion and joint portion, connecting portion and connecting plate 12 fixed connection, and joint portion is connected just both mutually perpendicular with connecting portion. Correspondingly, the sealing cover 32 is internally provided with a sliding groove 322 matched with the clamping shaft 13, the upper surface of the sealing cover 32 is provided with a clamping hole 323 communicated with the sliding groove 322, and the clamping shaft 13 penetrates through the clamping hole 323 and is clamped in the sliding groove 322. As shown in fig. 4, as a preferred embodiment, a sliding groove 322 penetrates through the upper surface of the sealing cover 32, the clamping shaft 13 is inserted into the clamping hole 323 during assembly, and when the sampling cartridge 3 is rotated, the connecting portion and the clamping portion of the clamping shaft 13 slide in the sliding groove 322 until being away from the clamping hole 323, thereby completing the assembly of the push-pull rod 1 and the sealing cover 32. As shown in fig. 5, as another preferred embodiment, the sliding groove 322 is provided inside the sealing cap 32 without penetrating the upper surface of the sealing cap 32, and the sampling cartridge 3 is rotated to slide the engaging portion in the sliding groove 322 until it is away from the engaging hole 323, thereby completing the assembly of the push-pull rod 1 and the sealing cap 32. The rotation amplitude of the second setting mode is smaller than that of the first setting mode, but the processing difficulty is relatively higher.

Specifically, a raised sliding rail 311 is arranged on the inner wall of the cylinder 31, a sliding groove 321 matched with the sliding rail 311 is arranged on the outer circumferential surface of the sealing cover 32, and the sealing cover 32 is slidably connected to the cylinder 31 through the matching of the sliding rail 311 and the sliding groove 321. Preferably, the cylinder 31 is made of transparent material, so that the condition of water sample can be conveniently observed by a collector; the position of the barrel 31 corresponding to the mounting opening 223 is provided with scales which can realize quantitative collection.

Specifically, the upper end of the suction pipe 4 is provided with a connecting pipe 41, and a first stopper 42 and a second stopper 43 are provided at the connection between the connecting pipe 41 and the suction pipe 4. The connecting pipe 41 is detachably connected with the cylinder 31 in a sealing manner, and the sealing ring is sleeved on the connecting pipe 41, so that the sealing performance is improved. The avoiding slot 213 of the sampling cover 2 is clamped between the first baffle 42 and the second baffle 43, and the arrangement of the first baffle 42 and the second baffle 43 is not only beneficial to the structural strength of the suction pipe 4, but also convenient for the assembly and use of the sampling cylinder 3 and the sampling cover.

The utility model discloses a use as follows: before use, firstly lifting the lifting handle 23 to open the lifting handle 23, simultaneously pressing the gaps 222, bending the cabin door 22 between the two gaps 222 to enable the clamping blocks 221 to move inwards so as to be separated from the clamping grooves 214, and then pulling the lifting handle 23 to open the cabin door 22; after the hatch door 22 is opened, the sampling tube 3 is inserted at the lower end of the sampling tube 3 to be communicated in a sealing way, then the sampling tube 3 with the straw 4 is placed in the cover body 21, the bottom of the avoiding groove 213 is clamped between the first baffle sheet 42 and the second baffle sheet 43 on the straw 4, the sampling tube 3 is rotated to enable the clamping hole 323 on the sealing cover 32 to correspond to the clamping shaft 13 on the push-pull rod 1, then the push-pull rod 1 is pushed downwards to enable the lower surface of the connecting plate 12 to be tightly attached to the upper surface of the sealing cover 32 and the clamping shaft 13 on the connecting plate 12 to be clamped in the clamping hole 323, then the sampling tube 3 is rotated to enable the clamping shaft 13 to slide in the sliding groove 322, so that the assembly of the push-pull rod 1 and the sealing cover 32 is completed, and then the; and then inserting the suction pipe 4 into the sewage, lifting the push-pull rod 1 upwards to drive the sealing cover 32 to move upwards, wherein the inside of the cylinder 31 is in a vacuum state, and the sewage is pressed into the cylinder 31 by atmospheric pressure to finish sampling. The hatch door 22 is opened, the sampling tube 3 containing the water sample is taken out, then the suction pipe 4 is taken down, the sealing element is covered, and the sampling tube is accommodated after the label is pasted. When the next sampling is performed, a new sampling cartridge 3 may be mounted inside the sampling cap 2, and the above operation may be repeated.

The utility model discloses an adopt detachable connected mode to connect push-and-pull rod 1, sampling cover 2, sampling cylinder 3 and straw 4 for sampling cylinder 3 can be dismantled and thus be convenient for change, effectively avoids the water sample to mix, has guaranteed the accuracy of testing result well, and on the other hand only needs to change sampling cylinder 3 and straw 4 and can carry out the next sampling, need not to wash, and it is very convenient to use, and the sampling cost is low; in addition, the sampling process is very sanitary convenient, has fine avoided the possibility of sampling personnel and sewage contact, has improved the security of sampling greatly, has effectually solved the problem that current sewage collection utensil caused the influence to the personnel health of gathering, the utility model has the advantages of simple structure, design benefit are reasonable, are convenient for gather sewage, have efficient, the rate of accuracy is high, the cost of manufacture is low, portable, and convenient to use has very big market value, is worth extensively promoting.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides an environmental science is sewage collection system for research which characterized in that: comprises a push-pull rod, a sampling cover, a sampling cylinder and a suction pipe; the sampling cylinder comprises a cylinder body and a sealing cover, and the sealing cover is in slidable sealing connection with the inner wall of the cylinder body; sampling cylinder detachably installs the inside of sampling cover, the lower extreme of push-and-pull rod passes the top of sampling cover with sealed lid can dismantle the connection, the upper end of straw is passed the bottom of sampling cover with barrel detachably sealing connection, straw and barrel communicate each other.

2. The sewage collection device for environmental science research of claim 1, wherein: the sampling device is characterized in that a push-pull part is fixedly arranged at the upper end of the push-pull rod, the lower end of the push-pull rod penetrates through the sampling cover and is connected with a connecting plate, and two clamping shafts are symmetrically arranged on the lower surface of the connecting plate.

3. The sewage collection device for environmental science research according to claim 2, wherein: a sliding groove matched with the clamping shaft is formed in the sealing cover, and a clamping hole communicated with the sliding groove is formed in the upper surface of the sealing cover; the clamping shaft penetrates through the clamping hole and is clamped in the sliding groove.

4. The sewage collection device for environmental science research according to any one of claims 1 to 3, wherein: the inner wall of the barrel is provided with a raised sliding rail, the outer peripheral surface of the sealing cover is provided with a sliding groove matched with the sliding rail, and the sealing cover is slidably connected to the barrel through the matching of the sliding rail and the sliding groove.

5. The sewage collection device for environmental science research according to any one of claims 1 to 3, wherein: the sampling cover comprises a cover body and a cabin door, wherein the side face of the cover body is provided with an opening matched with the cabin door, the left side of the cabin door is rotatably connected with one side of the opening, and the right side of the cabin door is clamped with the other side of the opening.

6. The sewage collection device for environmental science research of claim 5, wherein: the top of the cover body is provided with a through hole for the push-pull rod to pass through; an avoiding slot is arranged at the bottom of the cover body.

7. The sewage collection device for environmental science research of claim 5, wherein: a clamping block is arranged on the right side of the cabin door, a clamping groove matched with the clamping block is formed in the opening, and the clamping block is clamped in the clamping groove; two gaps are symmetrically arranged on the position, close to the clamping block, of the cabin door.

8. The sewage collection device for environmental science research of claim 5, wherein: the cabin door is provided with a mounting opening, and a lifting handle is movably connected to the mounting opening.

9. The sewage collection device for environmental science research of claim 8, wherein: the cylinder body is made of transparent materials; and scales are arranged on the barrel body corresponding to the positions of the mounting openings.

10. The sewage collection device for environmental science research according to any one of claims 1 to 3, wherein: the upper end of the straw is provided with a connecting pipe, and a first baffle sheet and a second baffle sheet are arranged at the joint of the connecting pipe and the straw; the connecting pipe with barrel detachably sealing connection, the sampling cover joint is in between first washer and the second washer.