CN217033646U

CN217033646U - Environmental water sample detection device

Info

Publication number: CN217033646U
Application number: CN202220678317.0U
Authority: CN
Inventors: 李涛; 邓燕霞; 雷松; 强磊
Original assignee: Sichuan Rongjie Environmental Testing Co ltd
Current assignee: Sichuan Rongjie Environmental Testing Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-22
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses an environmental water sample detection device which comprises an outer sleeve and a push rod, wherein the lower end of the push rod extends into the outer sleeve, and the push rod can move up and down in the outer sleeve; the push rod is provided with a first piston and a second piston which are positioned inside the outer sleeve, the first piston is positioned above the second piston, the outer sleeve is provided with a detection structure and a sampling hole which are communicated with an inner cavity of the outer sleeve, and the sampling hole is positioned below the detection structure. According to the utility model, the first piston and the second piston are arranged on the push rod, when the outer sleeve moves downwards to a required depth, the push rod is pushed, the position of the second piston is adjusted to control deep-layer water samples to enter the detection bottle, and the position of the first piston is adjusted to plug the water inlet end of the sample inlet pipe, so that water samples with different depths can be prevented from entering the detection bottle in the vertical moving process of the device, and the accuracy of water sample detection is not influenced. The utility model can be used repeatedly, and the cost of detection work is reduced.

Description

Environmental water sample detection device

Technical Field

The utility model relates to the technical field of water sample detection, in particular to an environmental water sample detection device.

Background

The water quality detection has important significance for treating the water body environment and protecting the water body, and the field environment water quality detection generally aims at water samples of different depths of rivers and lakes. In order to rapidly detect a deep water sample, the utility model with application number CN201821352490.1 discloses a long tube extension type water quality detection device, which comprises a handle, a long tube, a tube cover, a sealing film, detection test paper, a long hole, a pressing plate, a spring and a long rod; when the device is used, firstly, the detection test paper is pasted on the inner side wall of the pipe cover, the handle is held by hands, the pipe cover and the long pipe are stretched into water, the depth is judged according to the scales on the long pipe, the pipe cover stops stretching after reaching the specified depth, then, the pressing plate is pressed by the thumb, the pressing plate can drive the long rod to move downwards and puncture the sealing film, water enters the pipe cover and is in contact reaction with the detection test paper, the pipe cover can be taken out of the water after standing for a period of time (2-3min), finally, the sealing film is torn down, the detection test paper is taken down, the color of the detection test paper is observed, the water quality condition of the deep water is judged according to the color, the device can quickly and conveniently detect the deep water, and the detection efficiency of the deep water is improved.

However, the above patent technology has a great disadvantage, which is as follows: (1) the sealing film is adhered to the bottom of the pipe cover, the deeper the depth, the higher the water pressure, the water pressure is likely to break the sealing film in the downward moving process of the device, and the pipe cover is likely to not reach the depth to be detected, so that the water sample with the required depth cannot be accurately detected. (2) The device adopts the seal membrane to seal water, and the device is then unable secondary use after the stock punctures the seal membrane, has increased the detection cost. (3) During detection, the pipe cover extends to a required depth and then the sealing membrane is punctured through the long rod, so that water at the depth is contacted with the detection test paper. It can be seen from the above that there is still the place that needs further improvement in this patent technology, therefore this application provides a convenient to use, detects more accurate environmental water sample detection device in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides an environmental water sample detection device which is convenient to use, more accurate in water sample detection and suitable for wide popularization.

The purpose of the utility model is realized by the following technical scheme: the environmental water sample detection device comprises an outer sleeve and a push rod, wherein the lower end of the push rod extends into the outer sleeve, and the push rod can move up and down in the outer sleeve; the push rod is provided with a first piston and a second piston which are positioned in the outer sleeve, the first piston is positioned above the second piston, the outer sleeve is provided with a detection structure and a sampling hole which are communicated with the inner cavity of the outer sleeve, and the sampling hole is positioned below the detection structure.

Furthermore, the upper end of the push rod is provided with a plugging position mark, a sampling position mark and an initial position mark; said second piston is positioned between the water inlet and the sampling aperture of said detection structure when said initial position indicia is flush with the upper end of said outer sleeve; when the sampling position marker is flush with the upper end of the outer sleeve, the second piston is positioned below the sampling hole, and the water inlet of the detection structure is positioned between the first piston and the second piston; when the blocking position mark is level with the upper end of the outer sleeve, the first piston blocks the water inlet of the detection structure.

The detection structure comprises a sample inlet pipe, a detection bottle and detection test paper, wherein the detection test paper is placed in the detection bottle, one end of the sample inlet pipe is communicated with the outer sleeve, and the other end of the sample inlet pipe is connected with the detection bottle.

The sampling tube is provided with a connector, and the detection bottle is in threaded connection with the connector.

And scales are arranged on the outer wall of the outer sleeve.

And a filter screen is arranged in the sampling hole.

And a port filter screen is arranged at the lower end of the outer sleeve.

The upper end of the push rod is provided with a handle, and the upper end of the outer sleeve is provided with a handle.

Compared with the prior art, the method has the following beneficial effects:

(1) according to the utility model, the first piston and the second piston are arranged on the push rod, when the outer sleeve moves downwards to a required depth, the push rod is pushed, the position of the second piston is adjusted to control a deep water sample to enter the detection bottle, and the position of the first piston is adjusted to block the water inlet end of the sample inlet pipe, so that water samples with different depths can be prevented from entering the detection bottle in the vertical moving process of the device, and the accuracy of water sample detection is not influenced.

(2) The utility model can be used repeatedly, and the cost of detection work is reduced.

(3) According to the utility model, the filter screen and the port filter screen are arranged, so that large-particle impurities in water can be filtered, and the outer sleeve and the sample inlet pipe are prevented from being blocked by the impurities.

(4) The detection bottle and the connector are in threaded connection, so that the detection test paper is convenient to replace.

(5) The upper end of the push rod is provided with the plugging position mark, the sampling position mark and the initial position mark, so that a user can conveniently and accurately control the positions of the first piston and the second piston.

Additional features of the present application will be set forth in part in the description which follows. Additional features of some portions of the present application will be apparent to those skilled in the art upon examination of the following description and accompanying drawings or may be learned by the manufacture or operation of the embodiments. The features disclosed in this application may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Like reference symbols in the various drawings indicate like elements. Wherein,

FIG. 1 is a sectional view of the present invention in its initial state.

FIG. 2 is a sectional view of the present invention when water samples are collected.

FIG. 3 is a sectional view of the present invention after water sample collection.

The reference numbers in the above figures refer to: 1-outer sleeve, 2-initial position mark, 3-push rod, 4-sampling position mark, 5-shutoff position mark, 6-handle, 7-handle, 8-first piston, 9-sample introduction pipe, 10-connector, 11-detection bottle, 12-detection test paper, 13-second piston, 14-sampling hole, 15-filter screen, 16-port filter screen.

Detailed Description

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprise" and "have" and any variations thereof are referred to, it is intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", etc. are referred to, their indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, in this application, the terms "mounted," "disposed," "provided," "connected," "coupled," and the like should be construed broadly if they refer to one another. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Examples

As shown in fig. 1 to 3, the present embodiment discloses an environmental water sample detection device, which includes an outer sleeve 1 and a push rod 3, wherein a lower end of the outer sleeve 1 is open, and a lower end of the push rod 3 extends into the outer sleeve 1 from an upper end of the outer sleeve 1, and the push rod 3 can move up and down inside the outer sleeve 1.

In addition, the push rod 3 is provided with a first piston 8 and a second piston 13, the first piston 8 and the second piston 13 are positioned inside the outer sleeve 1, and the first piston 8 is positioned above the second piston 13; when the push rod 3 moves up and down, the first piston 8 and the second piston 13 can be driven to move together. The first piston 8 and the second piston 13 are dimensioned to match the inner diameter of the outer sleeve 1 and are able to seal the outer sleeve 1 and thereby block the flow of water inside the outer sleeve 1.

The outer sleeve 1 is provided with a detection structure and a sampling hole 14 which are communicated with the inner cavity of the outer sleeve, and the sampling hole 14 is positioned below the detection structure. Specifically, the detection structure comprises a sample inlet pipe 9, a detection bottle 11 and detection test paper 12, wherein the detection test paper 12 is placed in the detection bottle 11, one end of the sample inlet pipe 9 is communicated with the outer sleeve 1, and the other end of the sample inlet pipe is connected with the detection bottle 11.

In order to facilitate the installation and disassembly of the detection bottle 11, the sampling tube 9 is provided with a connector 10, and the detection bottle 11 is in threaded connection with the connector 10. Before detection, the detection test paper 12 is put into the detection bottle 11, and then the detection bottle 11 is installed on the connector 10.

In addition, the upper end of the push rod 3 is provided with a plugging position mark 5, a sampling position mark 4 and an initial position mark 2, wherein the plugging position mark 5, the sampling position mark 4 and the initial position mark 2 are sequentially distributed from top to bottom. When the initial position index 2 is level with the upper end of the outer sleeve 1, the second piston 13 is in the initial position between the inlet of the sample tube 9 and the sampling hole 14, as shown in fig. 1; when the sampling position mark 4 is flat with the outer sleeve 1, the second piston 13 is located below the sampling hole 14, and the inlet of the sampling tube 9 is located between the first piston 8 and the second piston 13, as shown in fig. 2; when the blocking position mark 5 is flush with the upper end of the outer sleeve 1, the first piston 8 just blocks the water inlet of the sample tube 9, as shown in fig. 3. By setting the plugging position mark 5, the sampling position mark 4 and the initial position mark 2, a user can conveniently and accurately control the positions of the first piston 8 and the second piston 13.

The outer wall of the outer sleeve 1 is provided with scales (not shown in the figure), the depth of the sampling hole 14 under water can be conveniently known through the scales, and the water sample with the preset depth can be conveniently detected.

A filter screen 15 is arranged in the sampling hole 14, and a port filter screen 16 is arranged at the lower end of the outer sleeve 1. Large particle impurities in water can be filtered by arranging the filter screen 15 and the port filter screen 16, and the outer sleeve 1 and the sampling pipe 9 are prevented from being blocked by the impurities. After long-time use, if the filter screen 15 and the port filter screen 16 are attached by impurities to influence water flow, the detection bottle 11 can be taken down, clear water is introduced into the outer sleeve 1 from the sample inlet pipe 9, and the filter screen 15 and the port filter screen 16 are washed away in a reverse direction, so that the impurities attached to the filter screen 15 and the port filter screen 16 can be quickly removed.

The upper end of the push rod 3 is provided with a handle 6, so that a user can push the push rod 3 conveniently. In addition, the upper end of outer sleeve 1 is provided with handle 7, conveniently takes environmental water sample detection device.

When the device is used, the detection test paper 12 is placed in the detection bottle 11, and then the detection bottle 11 is arranged on the connector 10. The push rod 3 is pushed to make the initial position mark 2 level with the upper end of the outer sleeve 1, and the second piston 13 is at the initial position between the water inlet of the sample inlet tube 9 and the sampling hole 14, as shown in fig. 1. Stretch into the lower extreme of environment water sample detection device and predetermine the depth of water, then promote push rod 3 downwards, make sampling position mark 4 keep level with the upper end of outer sleeve 1, deep water enters into inside the outer sleeve 1 from sampling hole 14 this moment to in entering into detection bottle 11 through advance appearance pipe 9 under outside hydraulic pressure, detection test paper 12 in the detection bottle 11 detects the water sample. After waiting for a period of time, the push rod 3 is continuously pushed downwards, so that the plugging position mark 5 is level with the upper end of the outer sleeve 1, at the moment, the first piston 8 plugs the water inlet of the sample inlet pipe 9, the environmental water sample detection device is lifted upwards, and the detection test paper 12 is taken out to observe the water quality condition. When the test bottle is required to be used again, the test bottle 11 is replaced or wiped dry, and a new test paper 12 is put in again. When it is desired to expel water between the first piston 8 and the second piston 13, the push rod 3 is pulled upwards and the second piston 13 pushes the water upwards, which is expelled from the sampling aperture 14 when it has moved to the position of the sampling aperture 14.

It should be noted that all features disclosed in this specification, or all steps of a method or process so disclosed, may be combined in any combination, except features and/or steps that are mutually exclusive.

In addition, the above-described embodiments are exemplary, and those skilled in the art, having benefit of this disclosure, may devise various solutions that are within the scope of this disclosure and that are within the scope of this invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. An environmental water sample detection device comprises an outer sleeve (1) and a push rod (3) with the lower end extending into the outer sleeve (1), wherein the push rod (3) can move up and down in the outer sleeve (1); the method is characterized in that: be provided with on push rod (3) and be located inside first piston (8) and second piston (13) of outer sleeve (1), first piston (8) are located the top of second piston (13), be provided with on outer sleeve (1) rather than detection structure and sampling hole (14) of inner chamber intercommunication, sampling hole (14) are located and detect the structure below.

2. The environmental water sample detection device of claim 1, wherein: the upper end of the push rod (3) is provided with a plugging position mark (5), a sampling position mark (4) and an initial position mark (2); the second piston (13) is located between the water inlet of the detection structure and the sampling hole (14) when the initial position marker (2) is level with the upper end of the outer sleeve (1); when the sampling position mark (4) is flush with the upper end of the outer sleeve (1), the second piston (13) is positioned below the sampling hole (14), and the water inlet of the detection structure is positioned between the first piston (8) and the second piston (13); when the blocking position mark (5) is level with the upper end of the outer sleeve (1), the first piston (8) blocks the water inlet of the detection structure.

3. The environmental water sample detection device according to claim 1 or 2, wherein: the detection structure comprises a sample inlet pipe (9), a detection bottle (11) and detection test paper (12), wherein the detection test paper (12) is placed in the detection bottle (11), one end of the sample inlet pipe (9) is communicated with the outer sleeve (1), and the other end of the sample inlet pipe is connected with the detection bottle (11).

4. The environmental water sample detection device according to claim 3, characterized in that: be provided with connector (10) on advance appearance pipe (9), detect bottle (11) with connector (10) threaded connection.

5. The environmental water sample detection device according to claim 1, wherein: the outer wall of the outer sleeve (1) is provided with scales.

6. The environmental water sample detection device of claim 1, wherein: a filter screen (15) is arranged in the sampling hole (14).

7. The environmental water sample detection device of claim 1, wherein: the lower end of the outer sleeve (1) is provided with a port filter screen (16).

8. The environmental water sample detection device according to claim 1, wherein: the upper end of the push rod (3) is provided with a handle (6), and the upper end of the outer sleeve (1) is provided with a handle (7).