CN215985369U

CN215985369U - Sampling device for water quality detection

Info

Publication number: CN215985369U
Application number: CN202122446487.4U
Authority: CN
Inventors: 唐秋霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-08
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a sampling device for water quality detection, which belongs to the technical field of sampling devices and comprises a cylinder cover, a sampling cylinder, a sampling tube, a piston, a driving unit and a hinged support, wherein a swinging arm is hinged on the hinged support, a connecting arm is fixedly connected on the swinging arm, a sealing cover is arranged on the connecting arm, and the swinging arm is driven by a turnover unit to swing so as to cover a tube opening of the sampling tube. Seal the mouth of pipe of sampling tube after overturning through setting up sealed lid, can avoid the quality of water sample in the sampling tube to spill over or flow back like this, and then cause the phenomenon of pollution, in addition through setting up the upset unit, produce magnetism by the annular electromagnet circular telegram in the upset unit, make the floating ring drive sealed lid upset, the operation is convenient, and remaining water on the sampling tube outer wall can not be infected with to the staff hand, avoid producing the hidden danger to workman's health, close by the screw rod screw thread on the cover through setting up in addition soon, in order to drive the piston removal, the piston can not produce the phenomenon of removing by oneself.

Description

Sampling device for water quality detection

Technical Field

The utility model relates to the technical field of sampling devices, in particular to a sampling device for water quality detection.

Background

Water is a source of life, people can not leave water in life and production activities, and the quality of drinking water is closely related to the health of people. With the development of social economy, scientific progress and improvement of the living standard of people, the requirements of people on the water quality of drinking water are continuously improved, and the water quality standard of the drinking water is correspondingly continuously developed and improved. Because the formulation of the water quality standard of the drinking water is related to various factors such as living habits, cultures, economic conditions, scientific and technical development level, water resources and the current situation of the water quality of the water resources, and the like of people, the requirements on the water quality of the drinking water are different not only among countries but also among different regions of the same country.

At present, when sampling water in small batches, a sampling device is generally used for sampling, and through search, a water quality detection sampling device is disclosed in the Chinese patent No. CN 208751914U: comprises a piston sampling device, a water drawing device and a sampling bottle; the water outlet of the water drawing device is communicated with the water inlet of the piston sampling device, the water outlet of the piston sampling device is arranged on the side wall of the piston cylinder, and the water outlet of the piston sampling device is communicated with the water inlet of the sampling bottle; a piston block matched with the inner size of the piston cylinder is arranged in the piston cylinder, and the piston block is arranged in the piston cylinder in a telescopic manner through a piston rod; by stretching the piston rod, the liquid enters the sampling bottle through the water drawing device.

According to the sampling device in the prior art, after the water quality sample is taken, the water quality sample may flow back or overflow, and then the water quality sample is leaked and polluted.

Based on this, the utility model designs a sampling device for water quality detection to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sampling device for water quality detection, which aims to solve the problem that after a water quality sample is taken, the water quality sample may flow back or overflow, and further the water quality sample is leaked and polluted by the sampling device in the prior art in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sampling device for water quality testing, includes the uncovered sampler barrel that just is equipped with the cover in one end, the other end through connection sampling tube of sampler barrel, the internal diameter of sampling tube is less than the internal diameter of sampler barrel, the block has the piston that can follow its axial free slip in the sampler barrel, the piston is driven its along the removal by drive unit, the mouth of pipe department of sampling tube is equipped with the free bearing, it has the swing arm to articulate on the free bearing, the rigid coupling has the linking arm on the swing arm, be equipped with sealed lid on the linking arm, the swing arm is driven its along the swing with the articulated department of free bearing by the upset unit, makes sealed lid closes on the mouth of pipe of sampling tube.

In the above sampling device for water quality detection, the sampling cylinder is made of acrylic material, and the surface of the sampling cylinder is provided with a plurality of liquid level scale marks.

In the above sampling device for water quality detection, the driving unit includes a screw rod coaxially passing through the cylinder cover, and one end of the screw rod penetrating into the sampling cylinder is rotatably connected to the piston.

In the sampling device for water quality detection, the turnover unit comprises a floating ring and an annular electromagnet which are sequentially sleeved on the sampling tube in the direction away from the sealing cover, the floating ring is made of a magnetic conductive material and is matched with the annular electromagnet for use, an elastic piece is arranged between the floating ring and the annular electromagnet, the elastic piece drives the floating ring to slide in the direction close to the sampling tube in a natural state, and a connecting rod is hinged between the floating ring and the swinging arm together.

In the above sampling device for water quality detection, the elastic member is a spring sleeved on the sampling cylinder, and two ends of the spring in the elastic direction elastically abut against the floating ring and the annular electromagnet respectively.

In the above sampling device for water quality detection, the outer wall of the sampling tube is provided with the handle, and the handle is internally provided with the battery holder.

Compared with the prior art, the utility model has the beneficial effects that: seal the mouth of pipe of sampling tube after overturning through setting up sealed lid, can avoid the quality of water sample in the sampling tube to spill over or flow back like this, and then cause the phenomenon of pollution, in addition through setting up the upset unit, produce magnetism by the annular electromagnet circular telegram in the upset unit, make the floating ring drive sealed lid upset, the operation is convenient, and remaining water on the sampling tube outer wall can not be infected with to the staff hand, avoid producing the hidden danger to workman's health, close by the screw rod screw thread on the cover through setting up in addition soon, in order to drive the piston removal, moreover, the piston can not produce the phenomenon of removing by oneself.

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 the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a sampling device for water quality detection according to the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

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

1-cylinder cover, 2-screw rod, 3-piston, 4-sealing cover, 5-connecting arm, 6-hinged support, 7-swinging arm, 8-sampling tube, 9-connecting rod, 10-sampling cylinder, 11-liquid level scale mark, 12-floating ring, 13-spring, 14-annular electromagnet and 15-handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sampling device for water quality detection comprises a sampling tube 10 with an open end and a tube cover 1, wherein the other end of the sampling tube 10 is connected with a sampling tube 8 in a penetrating way, the inner diameter of the sampling tube 8 is smaller than that of the sampling tube 10, a piston 3 capable of freely sliding along the axial direction of the sampling tube 8 is clamped in the sampling tube 8, the piston 3 is driven by a driving unit to move along the axial direction, a hinged support 6 is arranged at the tube opening of the sampling tube 8, a swinging arm 7 is hinged on the hinged support 6, a connecting arm 5 is fixedly connected on the swinging arm 7, a sealing cover 4 is arranged on the connecting arm 5 and driven by a turnover unit to swing along the hinged position with the hinged support 6, so that the sealing cover 4 is covered on the tube opening of the sampling tube 8, a worker holds the sampling tube 10 and stretches the sampling tube 8 into a water body, then the turnover unit drives the swinging arm 7 to swing, and the sealing cover 4 swings in the direction far away from the tube 8 opening, and further opens the sampling tube 8 opening, this kind of hydroenergy in the water body can freely flow in sampling tube 8, then remove through drive unit drive piston 3 again, make piston 3 slide towards the direction of keeping away from sampling tube 8 in sampling tube 10, make the interior negative pressure that produces of sampling tube 10, and then make hydroenergy enough flow in sampling tube 10 by sampling tube 8, accomplish the water sampling, the back that finishes of sampling, again through the reverse upset of the sealed lid of upset unit drive 4, make the mouth of pipe of sealed lid 4 lid sampling tube 8, and seal the mouth of pipe, and then prevent the water sample backward flow in the sampling tube 10 or spill over.

In this embodiment, sampling barrel 10 is made by the ya keli material, and its surface is equipped with a plurality of liquid level scale marks 11, and the ya keli material makes sampling barrel 10 become transparent state to water outward appearance in to sampling barrel 10 detects, owing to set up the liquid level scale mark in addition, can take notes the volume of the water of gathering.

In this embodiment, drive unit includes that the coaxial screw rod 2 of wearing to locate on cover 1, and screw rod 2 penetrates one end rotation connection in the sampling tube 10 on piston 3, has previously said, when sampling, at first rotates screw rod 2, and screw rod 2 closes soon on cover 1 upper thread, and screw rod 2 rotates with piston 3 simultaneously to be connected for piston 3 slides in sampling tube 10, and then makes the inside negative pressure that produces of sampling tube 10, extracts with the water to in the waters.

In this embodiment, the turning unit includes a floating ring 12 and an annular electromagnet 14 sequentially sleeved on the sampling tube 10 in a direction away from the sealing cover 4, the floating ring 12 is made of a magnetic material and is used in cooperation with the annular electromagnet 14, a spring 13 sleeved on the sampling tube 10 is arranged between the floating ring 12 and the annular electromagnet 14, two ends of the spring 13 in a direction of elasticity respectively abut against the floating ring 12 and the annular electromagnet 14, and in a natural state, the floating ring 12 is driven to slide in a direction adjacent to the sampling tube 8, a connecting rod 9 is hinged between the floating ring 12 and the swing arm 7, when a tube opening of the sampling tube 8 needs to be opened for sampling, an external power supply is firstly switched on, the annular electromagnet 14 is powered on to generate magnetism, the floating ring 12 slides in a direction of the annular electromagnet 14, the spring 13 is compressed at the same time, the connecting rod 9 is driven to move when the floating ring 12 slides, and the connecting rod 9 pulls the swing arm 7 to swing at the same time, and then make sealed lid 4 upset to the mouth of pipe that makes the sampling tube opens, and is same, when the sample finishes to seal the mouth of pipe, only need to break off annular electromagnet's power, spring 13 produced elasticity to floating ring 12 and supported this moment for floating ring 12 reverse slip makes connecting rod 9 drive swing arm 7 reverse swing, and then makes sealed lid 4 lid close the mouth of pipe of sampling tube 8, with the mouth of pipe of closed sampling tube 8.

In this embodiment, a handle 15 is disposed on the outer wall of the sampling tube 10, a battery holder (not shown) is disposed in the handle 15, and a storage battery is disposed in the battery holder to supply power to the annular electromagnet.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. 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 utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model 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 utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sampling device for water quality detection is characterized by comprising a sampling cylinder (10) with one open end and a cylinder cover (1), the other end of the sampling tube (10) is communicated with a sampling tube (8), the inner diameter of the sampling tube (8) is smaller than that of the sampling tube (10), a piston (3) which can freely slide along the axial direction of the sampling tube (8) is clamped in the sampling tube, the piston (3) is driven by a driving unit to move along, a hinged support (6) is arranged at the pipe orifice of the sampling pipe (8), a swing arm (7) is hinged on the hinged support (6), a connecting arm (5) is fixedly connected on the swing arm (7), and a sealing cover (4) is arranged on the connecting arm (5), and the swinging arm (7) is driven by the overturning unit to swing along the hinged part of the hinged seat (6) so that the sealing cover (4) covers the pipe orifice of the sampling pipe (8).

2. The sampling device for water quality detection according to claim 1, wherein the sampling cylinder (10) is made of acrylic material, and the surface thereof is provided with a plurality of liquid level calibration lines (11).

3. The sampling device for water quality detection according to claim 1, wherein the driving unit comprises a screw rod (2) coaxially arranged on the cylinder cover (1), and one end of the screw rod (2) penetrating into the sampling cylinder (10) is rotatably connected to the piston (3).

4. The sampling device for water quality detection according to claim 1, wherein the overturning unit comprises a floating ring (12) and an annular electromagnet (14) which are sequentially sleeved on the sampling tube (10) in a direction away from the sealing cover (4), the floating ring (12) is made of a magnetic conductive material and is matched with the annular electromagnet (14) for use, an elastic piece is arranged between the floating ring and the annular electromagnet, the elastic piece drives the floating ring (12) to slide in a direction close to the sampling tube (8) in a natural state, and a connecting rod (9) is hinged between the floating ring (12) and the swinging arm (7) together.

5. The sampling device for water quality detection according to claim 4, wherein the elastic member is a spring (13) sleeved on the sampling cylinder (10), and two ends of the spring (13) in the elastic direction elastically abut against the floating ring (12) and the annular electromagnet (14) respectively.

6. The sampling device for water quality detection according to claim 4, wherein a handle (15) is provided on the outer wall of the sampling tube (10), and a battery holder is provided in the handle (15).