CN216207776U

CN216207776U - Telescopic water quality sampler

Info

Publication number: CN216207776U
Application number: CN202122405089.8U
Authority: CN
Inventors: 刘波; 饶瑶; 郭冰莹; 唐松乔
Original assignee: Hunan Junxin Environmental Co ltd
Current assignee: Hunan Junxin Environmental Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a telescopic water quality sampler, which comprises: the sampling device comprises a cover body, a sampling main pipe body and a water inlet pipe; the sampling main pipe body consists of a plurality of layers of tubular sleeves, the diameters of the outermost layer sleeve and the innermost layer sleeve are sequentially reduced, the plurality of layers of sleeves form clearance fit, the plurality of layers of sleeves form a multi-stage telescopic structure, and the volume of the water quality sampler can be changed by the telescopic effect of the sleeves; the top end of the outermost sleeve is a water outlet, the top end of the outermost sleeve is detachably and hermetically connected with the cover body, and the bottom end of the innermost sleeve is connected with a water inlet pipe; after sampling, the water quality sample is sealed and stored in the water quality sampler. The telescopic water quality sampler has the advantages of compact structure, good sealing performance, free volume adjustment, portability, smallness, convenient use and the like, and has the double functions of sampling and sample preservation.

Description

Telescopic water quality sampler

Technical Field

The utility model belongs to the technical field of water sample collection, and particularly relates to a telescopic water quality sampler.

Background

The water quality monitoring is a process of monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. The water quality monitoring range is very wide, and the water quality monitoring range comprises natural water (rivers, lakes, seas and underground water) which is not polluted and is polluted, various industrial drainage and the like. The collection of water quality samples relates to various types, drainage of rivers and lakes, underground wells and pollution sources needs to be met, and sometimes, inflow water samples need to be collected for acceptance or research. The requirements of various types of water samples on the water quality sampler are different, and the width of the sampler can be required if the underground water well is collected; the river and lake are sampled, and the depth of a sampler can be required; the collection of the influent water from a source of contamination may require filtration by a sampler, and most samplers currently are not fully applicable to each type of sampling.

At present, a water quality sampler is mainly of a Baylor tube type and a deep water sampler type, wherein the Baylor tube is in a long and thin tubular shape, the deep water sampler is in a flat cylindrical shape, the two samplers are inconvenient to carry, the samplers cannot be telescopically disassembled, the cleaning is inconvenient, and the sampling after long-time use is easy to pollute the sampled product. In addition, although the water quality sampler of prior art has set up filter equipment, nevertheless because be from the water intaking ware upper end and advance a kind, solid particle thing in the water sample is easy to be blockked up filter equipment's filtration pore, has not only increased the degree of difficulty of sample, has increased the degree of difficulty of wasing the sampler moreover. Simultaneously, the quality of water sample is all accomplished in the open air, and the water intaking ware top does not set up the lid, must preserve the sample through extra sample bottle after the sample is accomplished, otherwise leads to the sample to spill or the sample is by secondary pollution in the transportation process easily, has greatly influenced testing result's accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a telescopic water quality sampler which is compact in structure, light, small and exquisite and convenient to use.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a retractable water sampler comprising: the sampling device comprises a cover body, a sampling main pipe body and a water inlet pipe; the sampling main pipe body consists of a plurality of layers of tubular sleeves, the diameters of the outermost layer sleeve and the innermost layer sleeve are sequentially reduced, the plurality of layers of sleeves form clearance fit, the plurality of layers of sleeves form a multi-stage telescopic structure, and the volume of the water quality sampler can be changed by the telescopic effect of the sleeves; the top end of the outermost sleeve is a water outlet, the top end of the outermost sleeve is detachably and hermetically connected with the cover body, and the bottom end of the innermost sleeve is connected with a water inlet pipe; after sampling, the water quality sample is sealed and stored in the water quality sampler.

As a further improvement of the utility model, the water inlet pipe is a through pipe with openings at two ends, and the water inlet pipe penetrates through the bottom end of the sampling main pipe body.

As a further improvement of the utility model, the sampling device also comprises a water inlet valve and a filter screen, wherein the inlet end of the water inlet pipe is connected with the bottom end of the sampling main pipe body, and the outlet end of the water inlet pipe is provided with the water inlet valve and the filter screen.

As a further improvement of the utility model, the water inlet valve is connected with the inner side wall of the sampling main pipe body, the filter screen is detachably connected with the outlet end of the water inlet pipe, and the water inlet valve is positioned above the filter screen.

As a further improvement of the utility model, the water inlet valve is a check valve.

As a further improvement of the utility model, the side edge of the filter screen is provided with an elastic fastener which is used for realizing the detachable connection of the filter screen and the outlet end of the water inlet pipe.

As a further improvement of the utility model, the outer side of the cover body is provided with external threads, the outermost sleeve of the main sampling pipe body is provided with internal threads, and the cover body is in threaded connection with the main sampling pipe body.

As a further improvement of the utility model, the top of the cover body is provided with a ring, and a rope is sleeved on the ring and is used for sampling the water quality of rivers and lakes.

As a further improvement of the sampling main pipe, the sampling main pipe body is composed of 5-8 layers of tubular sleeves, and adjacent sleeves are in sealing connection through sealing elements.

As a further improvement of the utility model, the cover body and the sampling main pipe body are both made of organic glass.

Compared with the prior art, the utility model has the advantages that:

1. according to the telescopic water quality sampler, the sampling main pipe body is set to be of a multi-stage telescopic structure, so that the capacity of the water quality sampler can be freely adjusted. Set up to the delivery port through outmost sleeve top of being responsible for the body with taking a sample, and outmost sleeve top can dismantle sealing connection with the lid, with telescopic bottom of inlayer and water piping connection, whole quality of water sampler has compact structure, light small and exquisite, advantages such as sealing performance is excellent. After the sampling is finished, the water quality sample is hermetically stored in the water quality sampler, and the water quality sampler has the double functions of sampling and storing the sample. When the device is in a non-working state, the multi-layer tubular sleeve can be contracted into one layer, and the device is convenient to carry. Because the sampling main pipe body adopts a multistage telescopic structure, the cleaning is very convenient, and the water sample is effectively prevented from remaining on the inner wall of the sampling main pipe body.

2. According to the telescopic water quality sampler, the filter screen and the water inlet valve are arranged at the outlet end of the water inlet pipe, so that impurities such as silt can be effectively prevented from entering the main sampling pipe, a water sample can be detected without pretreatment, the detection time is greatly shortened, and the detection efficiency is improved. Meanwhile, the water inlet valve is set as the water stop valve, so that the water sample can only enter and not exit from the bottom of the sampling main pipe body, the sealing performance of the water quality sampler is improved, and the sampling success rate is increased. The filter screen can be dismantled with the inlet tube and be connected, can demolish very conveniently after the sample is accomplished, and it is also very convenient to wash, has effectively avoided blockking up the phenomenon that the filter screen can't take a sample because of large granule impurity.

Drawings

Fig. 1 is a schematic diagram of the structure principle of the telescopic water quality sampler of the utility model.

Fig. 2 is a schematic view of the structural principle of the bottom of the telescopic water quality sampler of the utility model.

Illustration of the drawings: 1. a cover body; 2. sampling the main pipe body; 3. a water inlet pipe; 4. a water inlet valve; 5. and (4) a filter screen.

Detailed Description

The utility model is further described below with reference to the drawings and specific preferred embodiments of the description, without thereby limiting the scope of protection of the utility model.

Examples

As shown in fig. 1 and 2, the telescopic water quality sampler of the present invention includes: lid 1, sample main pipe body 2 and inlet tube 3. The main sampling pipe body 2 consists of 7 layers of tubular sleeves, the diameters of the outermost layer sleeve and the innermost layer sleeve are sequentially reduced, wherein the diameter of the outermost layer sleeve is 8cm, and the diameter of the innermost layer sleeve is 6 cm. Realize sealing connection through the sealing washer between the adjacent sleeve, form clearance fit between 7 layers of sleeves, 7 layers of sleeves become 7 grades of extending structure, telescopic flexible volume that can change water quality sampler. The top end of the outermost sleeve is a water outlet, the top end of the outermost sleeve is detachably and hermetically connected with the cover body 1, the bottom end of the innermost sleeve is connected with the water inlet pipe 3, and the diameter of the water inlet pipe 3 is 2 cm. After the sampling is finished through the water inlet pipe 3, the water quality sample is hermetically stored in the water quality sampler. It can be understood that, in other embodiments, the sampling main pipe body 2 composed of 5-8 layers of tubular sleeves can meet the requirement of water quality sampling.

In this embodiment, the cover body 1 and the sampling main pipe body 2 are made of organic glass. Organic glass's toughness and impact resistance are excellent, can be applicable to various complicated sampling environments such as rivers and lakes, can prevent effectively moreover that the quality of water sampler from taking place the damage at the sample or the in-process of transporting the sample, have improved quality of water sampler's universality and security. It is understood that in other embodiments, the cover body 1 and the main sampling tube 2 may be made of transparent plastics made of other materials.

In this embodiment, the outer side of the cover body 1 is provided with an external thread, the outermost sleeve of the main sampling pipe 2 is provided with an internal thread, and the cover body 1 and the main sampling pipe 2 are in threaded connection. In order to improve the application range of the water quality sampler, the top of the cover body 1 is provided with a ring, and the ring can be sleeved with a rope for sampling the water quality of rivers and lakes.

In this embodiment, through being responsible for the body 2 and setting up to multistage extending structure with the sample, realized that quality of water sampler capacity freely adjusts. Set up to the delivery port through the outmost sleeve top of being responsible for body 2 with taking a sample, and outmost sleeve top can dismantle sealing connection with lid 1, is connected the telescopic bottom of inlayer with inlet tube 3, and whole quality of water sampler has advantages such as compact structure, light small and exquisite, sealing performance is excellent. After the sampling is finished, the water quality sample is hermetically stored in the water quality sampler, and the water quality sampler has the double functions of sampling and storing the sample. When the device is in a non-working state, the multi-layer tubular sleeve can be contracted into one layer, and the device is convenient to carry. Because the sampling main pipe body 2 adopts a multi-stage telescopic structure, the cleaning is very convenient, and the water sample is effectively prevented from remaining on the inner wall of the sampling main pipe body 2.

In this embodiment, the water inlet pipe 3 is a through pipe with openings at two ends, and the water inlet pipe 3 penetrates through the bottom end of the sampling main pipe body 2. The inlet setting of inlet tube 3 is in being responsible for the body 2 bottom, and the export of inlet tube 3 is connected with filter screen 5, and water intaking valve 4 is connected with the inner wall of being responsible for body 2, and is located filter screen 5 top, just gets into the sample after the water sample filters through filter screen 5 and is responsible for in the body 2 promptly. Furthermore, the water inlet valve 4 is a check valve, and the check valve can realize that water samples only can not flow in and out at the bottom of the sampling main pipe body 2, so that water sample leakage is avoided.

In this embodiment, filter screen 5 is circular filter screen, with the appearance profile phase-match of inlet tube 3, and filter screen 5 side is equipped with elastic fastening spare, fixes filter screen 5 at the tip of inlet tube 3 delivery port through elastic fastening spare. Specifically, in the present embodiment, the elastic fastener is an elastic rubber band. It can be understood that, in other embodiments, the fastening member at the side of the filter screen 5 may also be an elastic member made of other materials, such as a rubber ring made of teflon or silica gel, as long as the detachable connection of the filter screen 5 and the water inlet pipe 3 can be realized.

In this embodiment, through having set gradually filter screen 5 and water intaking valve 4 at 3 exit ends of inlet tube, effectively prevent impurity such as silt from getting into the main pipe body 2 of taking a sample, the water sample need not to carry out the preliminary treatment again and can detect, has shortened check-out time greatly, has improved detection efficiency. Meanwhile, the water inlet valve 4 is set as a water stop valve, so that a water sample can only enter the bottom of the sampling main pipe body 2, the sealing performance of the water quality sampler is improved, and the sampling success rate is increased. Filter screen 5 can be dismantled with inlet tube 3 and be connected, can demolish very conveniently after the sample is accomplished, and it is also very convenient to wash, has effectively avoided blockking up the phenomenon that the filter screen can't take a sample because of large granule impurity.

During operation, the elastic rubber band through 5 sides of filter screen is with

filter screen

5 and 3 fixed connection of inlet tube, will take a sample and be responsible for body 2 to the longest state, will take a sample and be responsible for body 2 and screw up with the lid 1 that has connected the sample rope. Then put into the water sample with quality of water sampler, the water sample filters back through filter screen 5 with the cover plate jack-up on the check valve, gets into inside the sample is responsible for body 2. After reaching required sample volume, mention the quality of water sampler, under the action of gravity, the water sample plugs up the cover plate on the check valve completely, prevents that the water sample from spilling, and the water sample can be preserved in the quality of water sampler to wait for the detection. Of course, the water sample can also be poured into the sampling bottle from the water outlet at the top end of the sampling main pipe body 2 to wait for detection. After all procedures of sample are accomplished, demolish filter screen 5, if use sample bottled water sample, then can be with the sample main pipe body 2 shrink for the one deck to conveniently carry.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the spirit and scope of the utility model, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.

Claims

1. A retractable water sampler, comprising: the device comprises a cover body (1), a sampling main pipe body (2) and a water inlet pipe (3); the sampling main pipe body (2) is composed of a plurality of layers of tubular sleeves, the diameters of the outermost layer sleeve to the innermost layer sleeve are sequentially reduced, clearance fit is formed among the plurality of layers of sleeves, the plurality of layers of sleeves form a multi-stage telescopic structure, and the volume of the water quality sampler can be changed by the telescopic effect of the sleeves; the top end of the outermost sleeve is a water outlet, the top end of the outermost sleeve is detachably and hermetically connected with the cover body (1), and the bottom end of the innermost sleeve is connected with the water inlet pipe (3); after sampling, the water quality sample is sealed and stored in the water quality sampler.

2. A telescopic water quality sampler according to claim 1, wherein the water inlet pipe (3) is a through pipe with openings at two ends, and the water inlet pipe (3) penetrates through the bottom end of the main sampling pipe body (2).

3. A telescopic water quality sampler according to claim 2, further comprising a water inlet valve (4) and a filter screen (5), wherein the inlet end of the water inlet pipe (3) is connected with the bottom end of the main sampling pipe body (2), and the outlet end of the water inlet pipe (3) is provided with the water inlet valve (4) and the filter screen (5).

4. A telescopic water sampler as claimed in claim 3, wherein the water inlet valve (4) is connected to the inner side wall of the main sampling pipe (2), the filter screen (5) is detachably connected to the outlet end of the water inlet pipe (3), and the water inlet valve (4) is located above the filter screen (5).

5. Telescopic water quality sampler according to claim 4, wherein the inlet valve (4) is a non-return valve.

6. A telescopic water quality sampler according to claim 4, wherein the side of the filter screen (5) is provided with an elastic fastener, and the elastic fastener is used for realizing the detachable connection of the filter screen (5) and the outlet end of the water inlet pipe (3).

7. A telescopic water quality sampler according to any one of claims 1 to 6, characterized in that the outer side of the cover body (1) is provided with external threads, the outermost sleeve of the main sampling pipe body (2) is provided with internal threads, and the cover body (1) is in threaded connection with the main sampling pipe body (2).

8. A telescopic water quality sampler according to any one of claims 1 to 6, characterized in that the top of the cover body (1) is provided with a circular ring, and the circular ring is sleeved with a rope for sampling water quality of rivers and lakes.

9. A telescopic water quality sampler according to any one of claims 1 to 6, wherein the main sampling pipe (2) is composed of 5-8 layers of tubular sleeves, and the adjacent sleeves are connected in a sealing way through sealing parts.

10. A telescopic water quality sampler according to any one of claims 1 to 6, characterized in that the cover body (1) and the main sampling pipe body (2) are both made of organic glass.