CN214844171U

CN214844171U - River course sewage sampling device for environmental protection detection

Info

Publication number: CN214844171U
Application number: CN202120892829.2U
Authority: CN
Inventors: 吴慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-23
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a water sampling utensil technical field's a river course sewage sampling device for environmental protection detects, including sampling seat, stock solution chamber, sliding part, unsteady lid, elasticity piece that resets, sampling seat bottom is equipped with the intercommunication groove, and the intercommunication inslot is equipped with the intercommunication subassembly, and outside reagent pipe is penetrated the intercommunication inslot and is touched the intercommunication subassembly by the notch under the intercommunication groove, makes the sewage sample of stock solution intracavity flow in the intercommunication inslot and can flow into outside reagent pipe. The cover that floats is reset through elasticity drive and is moved down for gather the back that finishes, can seal the oral area in stock solution chamber, simultaneously because the density of the cover that floats is less than the density of water, make the sampling seat after stretching into the water in, the cover that floats can float in aqueous, and keep away from each other with the sampling seat, and then the sewage sampling of being convenient for, simple structure need not manual mode operation.

Description

River course sewage sampling device for environmental protection detection

Technical Field

The utility model relates to a water sampling utensil technical field specifically is a river course sewage sampling device is used in environmental protection detection.

Background

River sewage need use sampling device to gather the sewage sample when carrying out the sampling test, as chinese patent number CN212964217U discloses a river sewage sampling device for environmental protection detects, including the bottom plate, the upper surface of bottom plate is provided with the sample bottle, the inside swing joint of sample bottle has the bracing piece, the upper surface swing joint of bracing piece has the push rod, the inside swing joint of sample bottle has the filter.

Water quality collection system among the above-mentioned prior art finishes collecting the back, need the staff to empty the sampling bottle, make the sewage sample in the sampling bottle can pour into outside reagent pipe and collect, but this kind of mode causes the sewage sample to leak more easily, can pollute the staff hand simultaneously, current water quality collection system finishes collecting the back in addition, can't seal the bottleneck of sampling bottle, and then probably leads to external foreign matter to get into in the sampling bottle, causes the sample detection precision to reduce.

Based on this, the utility model designs an environmental protection detects uses river course sewage sampling device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a river course sewage sampling device for environmental protection detects, with the water quality collection device among the prior art who provides in solving above-mentioned background art after the collection finishes, need the staff to empty the sample bottle, make the sewage sample in the sample bottle can pour into outside reagent pipe and collect, but this kind of mode causes the sewage sample to leak more easily, can pollute staff's hand simultaneously, current water quality collection device is after the collection finishes in addition, can't seal the bottleneck of sample bottle, and then probably lead to in external foreign matter gets into the sample bottle, cause the problem that sample detection precision reduces.

In order to achieve the above object, the utility model provides a following technical scheme: a river sewage sampling device for environmental protection detection comprises a sampling seat with a handle, a blind hole type liquid storage cavity is arranged on the sampling seat, the liquid storage cavity is provided with a plurality of liquid storage cavities which are arranged along the axial direction of the handle in an array manner, the handle is sleeved with a sliding part which can freely slide along the axial direction of the handle, the bottom of the sliding part is sleeved with a floating cover, the density of the floating cover is less than that of water, so as to float in water, the floating cover is driven by the elastic reset piece to move towards the sampling seat and close the opening part of the liquid storage cavity, the bottom of the sampling seat is provided with a plurality of blind hole type communicating grooves which are respectively communicated with the plurality of liquid storage cavities, the communicating groove is internally provided with a communicating component, and the external reagent tube penetrates into the communicating groove from the lower notch of the communicating groove and touches the communicating component, so that the sewage sample in the liquid storage cavity flows into the communicating groove and can flow into the external reagent tube.

Preferably, a plurality of sealing gaskets are arranged on the floating cover and used for sealing the opening part of the liquid storage cavity.

Preferably, the elastic reset piece comprises a fixing ring sleeved on the handle, the handle is sleeved with a spring, and two ends of the elastic force direction of the spring respectively elastically abut against the sliding part and the fixing ring.

Preferably, the sliding part is provided with a short pin in a penetrating manner, and the handle is provided with a kidney-shaped groove which is used for the short pin to penetrate into the sliding part, wherein one end of the kidney-shaped groove is inserted and closed, and the kidney-shaped groove can freely slide up and down.

Preferably, the communicating component comprises a fixing plug coaxially arranged in the communicating groove, a piston capable of freely sliding up and down in the communicating groove is clamped in the communicating groove, the piston is located above the fixing plug, a first communicating hole in a through hole form is coaxially formed in the fixing plug, a plurality of second communicating holes are formed in the end face of the piston along the axial array of the piston, the first communicating holes and the second communicating holes are arranged in a staggered mode, after the end faces of the piston and the fixing plug are abutted, the abutting face is in a liquid sealing state, an ejector rod capable of freely penetrating through the first communicating hole is coaxially arranged on the piston, the outer diameter of the ejector rod is smaller than the aperture of the first communicating hole, a floating support is arranged at the lower end of the ejector rod, a plastic spring is sleeved on the ejector rod, and two ends of the plastic spring in the elastic direction elastically abut against the floating support and the fixing plug respectively.

Compared with the prior art, the beneficial effects of the utility model are that: reset a drive through elasticity and float and cover and move down, make the collection finish the back, can seal the oral area in stock solution chamber, simultaneously because the density of floating the lid is less than the density of water, make the sampling seat after stretching into the water, the lid that floats can float in aqueous, and keep away from each other with the sampling seat, and then the sewage sampling of being convenient for, moreover, the steam generator is simple in structure, need not manual mode operation, through setting up the intercommunication subassembly, make outside reagent pipe when carrying out sewage sample collection, can not produce the problem that sewage leaked and polluted staff's hand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an exploded view of the three-dimensional structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the three-dimensional structure of FIG. 1;

fig. 4 is an enlarged schematic view of a partial three-dimensional structure at a in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1-handle, 2-fixed ring, 3-spring, 4-short pin, 5-sliding part, 6-floating cover, 7-kidney-shaped groove, 8-liquid storage cavity, 9-piston, 10-ejector rod, 11-floating bracket, 12-fixed plug, 13-plastic spring, 14-sampling seat, 15-communicating groove, 16-second communicating hole and 17-first communicating hole.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a river sewage sampling device for environmental protection detection comprises a sampling seat 14 with a handle 1, a blind hole type liquid storage cavity 8 is arranged on the sampling seat 14, the liquid storage cavity 8 is provided with a plurality of sliding parts 5 which are arranged along the axial direction of the handle 1 in an array mode, the handle 1 is sleeved with the sliding parts 5 which can freely slide along the axial direction of the handle 1, the bottom of the sliding parts 5 is sleeved with a floating cover 6, the density of the floating cover 6 is less than that of water and further can float in water, the floating cover 6 is driven by an elastic reset piece to move towards the sampling seat 14 and seal the mouth part of the liquid storage cavity 8, the elastic reset piece comprises a fixing ring 2 sleeved on the handle 1, a spring 3 is sleeved on the handle 1, two ends of the elastic direction of the spring 3 respectively elastically abut against the sliding parts 5 and the fixing ring 2, when the sampling seat 14 extends into sewage, the floating cover 6 of the sewage has buoyancy, the floating cover 6 is far away from the sampling seat 14, and simultaneously a sewage sample can enter the liquid storage cavity 8 for storage, after the sampling seat 14 is taken out of the sewage, the elastic propping of the sliding part 5 is realized through the spring 3, so that the floating cover 6 is close to the sampling seat 14 and the floating cover 6 seals the mouth part of the liquid storage cavity 8, the floating cover 6 is provided with a plurality of sealing gaskets for sealing the mouth part of the liquid storage cavity 8, and the floating cover 6 can better seal the mouth part of the liquid storage cavity 8 through arranging the sealing gaskets, in order to prevent the sliding part 5 from deflecting when the sliding part 5 slides on the handle 1, the sliding part 5 can be provided with a short pin 4 in a penetrating way, the handle 1 is provided with a kidney-shaped groove 7 which is inserted and combined with one end of the sliding part 5 and can freely slide up and down, thus, the short pin 4 slides and limits in the kidney-shaped groove 7, the sliding part 5 can be limited and cannot deflect, the bottom of the sampling seat 14 is provided with a plurality of kidney-shaped grooves 7 which are respectively communicated with the liquid storage cavities 8, A communicating groove 15 in the form of a blind hole, a communicating component is arranged in the communicating groove 15, an external reagent tube penetrates into the communicating groove 15 from the lower notch of the communicating groove 15 and touches the communicating component, so that a sewage sample in the liquid storage cavity 8 flows into the communicating groove 15 and can flow into the external reagent tube, the communicating component comprises a fixed plug 12 coaxially arranged in the communicating groove 15, a piston 9 capable of freely sliding up and down in the communicating groove 15 is clamped in the communicating groove 15, the piston 9 is positioned above the fixed plug 12, a first communicating hole 17 in the form of a through hole is coaxially arranged on the fixed plug 12, a plurality of second communicating holes 16 are arranged on the end surface of the piston 9 along the axial array of the piston 9, the first communicating holes 17 and the second communicating holes 16 are staggered, after the end surfaces of the piston 9 and the fixed plug 12 are abutted, a liquid sealing state is formed, an ejector rod 10 capable of freely penetrating through the first communicating hole 17 is coaxially arranged on the piston 9, the outer diameter of the ejector rod 10 is smaller than the aperture of the first communicating hole 17, the lower end of the sampling tube is provided with a floating bracket 11, a top rod 10 is sleeved with a plastic spring 13, two ends of the plastic spring 13 in the elastic direction respectively elastically abut against the floating bracket 11 and a fixed plug 12, after sampling is finished, a sampling seat 14 is taken out of sewage, then the tube orifice of an external reagent tube is inserted into a communication groove 15, during the insertion process, the tube orifice of the reagent tube abuts against the floating bracket 11 and drives a piston 9 to move towards the inside of a liquid storage cavity 8, at the moment, a sewage sample in the liquid storage cavity 8 flows into the external reagent tube through a second communication hole 16 and a first communication hole 17, in order to reduce the leakage of the sample during the collection process, the outer diameter of the reagent tube can be set to be matched with the inner diameter of the communication groove 15, so that the sample leakage is reduced, after the collection is finished, the reagent tube is drawn out of the communication groove 15, at the moment, under the elastic abutting force of the plastic spring 13 against the floating bracket 11, the piston 9 moves downwards, and abuts against the end face of the fixed plug 12, and the abutting face of the fixed plug 12 and the piston 9 has a liquid sealing state due to the staggered arrangement of the first communication hole 17 and the second communication hole 16.

The utility model discloses when implementing: when sewage is sampled, when the sampling seat 14 is stretched into the sewage, the sewage has buoyancy on the floating cover 6, so that the floating cover 6 is far away from the sampling seat 14, meanwhile, a sewage sample can enter the liquid storage cavity 8 for storage, after the sampling seat 14 is taken out of the sewage, the elastic propping of the sliding part 5 is realized through the spring 3, so that the floating cover 6 is close to the sampling seat 14 and the floating cover 6 seals the mouth part of the liquid storage cavity 8, after the sampling is finished, the sewage sample needs to be collected, at the moment, the sampling seat 14 is taken out of the sewage, then the pipe orifice of an external reagent pipe is inserted into the communicating groove 15, during the inserting process, the pipe orifice of the reagent pipe props against the floating bracket 11 and drives the piston 9 to move towards the inside of the liquid storage cavity 8, at the moment, the sewage sample in the liquid storage cavity 8 flows into the external reagent pipe through the second communicating hole 16 and the first communicating hole 17, and in order to reduce the leakage of the sample during the collecting process, the outer diameter of the reagent tube can be set to be matched with the inner diameter of the communicating groove 15, sample leakage is reduced, after collection is finished, the reagent tube is drawn out from the communicating groove 15, at the moment, under the elastic propping force of the plastic spring 13 to the floating support 11, the piston 9 moves downwards and props against the end face of the fixed plug 12, and due to the staggered arrangement of the first communicating hole 17 and the second communicating hole 16, the propping face of the fixed plug 12 and the piston 9 is in a liquid sealing state.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a river course sewage sampling device for environmental protection detects, includes sampling seat (14) that has handle (1), set up the stock solution chamber (8) of blind hole form on sampling seat (14), its characterized in that, stock solution chamber (8) are equipped with a plurality ofly and set up along the axial array of handle (1), the cover is equipped with can follow handle (1) axial free slip's sliding part (5) on handle (1), floating cover (6) have been cup jointed to sliding part (5) bottom, floating cover (6) density is less than the density of water, and then can float in aqueous, floating cover (6) are driven its removal towards sampling seat (14) by the elasticity piece that resets to seal the oral area of stock solution chamber (8), sampling seat (14) bottom is equipped with a plurality ofly respectively with a plurality of stock solution chamber (8) intercommunication, blind hole form's intercommunication groove (15), be equipped with the intercommunication subassembly in intercommunication groove (15), the external reagent tube penetrates into the communicating groove (15) from the lower notch of the communicating groove (15) and touches the communicating component, so that the sewage sample in the liquid storage cavity (8) flows into the communicating groove (15) and can flow into the external reagent tube.

2. The river sewage sampling device for environmental protection detection according to claim 1, wherein the floating cover (6) is provided with a plurality of sealing gaskets for sealing the mouth of the liquid storage cavity (8).

3. The river sewage sampling device for environmental protection detection according to claim 1, wherein the elastic reset member comprises a fixing ring (2) sleeved on the handle (1), the handle (1) is sleeved with a spring (3), and two ends of the spring (3) in the elastic direction elastically abut against the sliding part (5) and the fixing ring (2) respectively.

4. The river sewage sampling device for environmental protection detection according to claim 3, wherein the sliding portion (5) is provided with a short pin (4) in a penetrating manner, and the handle (1) is provided with a kidney-shaped groove (7) which is used for allowing the short pin (4) to penetrate into the sliding portion (5) and enables one end of the sliding portion to be inserted and combined and can freely slide up and down.

5. The river sewage sampling device for environmental protection detection according to claim 1, wherein the communicating component comprises a fixing plug (12) coaxially arranged in a communicating groove (15), a piston (9) which can freely slide up and down in the communicating groove (15) is clamped in the communicating groove, the piston (9) is positioned above the fixing plug (12), a first communicating hole (17) in a through hole form is coaxially arranged on the fixing plug (12), a plurality of second communicating holes (16) are arranged on the end surface of the piston (9) along the axial array of the piston, the first communicating hole (17) and the second communicating holes (16) are staggered, so that after the end surfaces of the piston (9) and the fixing plug (12) are abutted, the abutting surface has a liquid sealing state, an ejector rod (10) which can freely penetrate through the first communicating hole (17) is coaxially arranged on the piston (9), and the outer diameter of the ejector rod (10) is smaller than the aperture of the first communicating hole (17), the lower end of the plastic spring is provided with a floating support (11), the ejector rod (10) is sleeved with a plastic spring (13), and two ends of the plastic spring (13) in the elastic direction elastically abut against the floating support (11) and the fixed plug (12) respectively.