CN214150016U - Sampling device for online water quality analyzer - Google Patents

Abstract

The utility model discloses a sampling device for online water quality analyzer, including the sampling pipe, the sampling pipe passes through fixing bolt and connects the front end housing, is provided with the water inlet on the front end housing, and the inlet tube is connected to the water inlet, and inlet tube end-to-end connection has the filter head, is provided with the suction pump in the middle of the inlet tube, is provided with the sealing plug in the sampling pipe, fixedly connected with base on the sealing plug, swing joint has the lead screw in the base, and the lead screw is connected with sampling pipe top screw-thread fit, lead screw fixedly connected with regulating block, and the sampling pipe front end is provided with the delivery port. The size that has set up mobilizable sealing plug and come control sampling pipe internal diameter, and then can control the size of the volume of taking the sample, add filter equipment in sampling head department, filter some great impurity, add filter equipment in the sampling pipe, can guarantee that the sample of gathering can filter most impurity irrelevant to measuring quality of water, convenient to detach washs sampling pipe and filter screen.

Description

Sampling device for online water quality analyzer

Technical Field

The utility model relates to a water quality analysis technical field specifically is a sampling device for online water quality analyzer.

Background

Human beings can not leave water in life and production, the quality of life drinking water is good and bad closely related with human health, along with social economy's development, scientific progress and the continuous improvement of people's living standard, people require constantly to improve to the quality of water after the life is drunk, in order to protect good water environment, must strengthen the monitoring to sewage discharge, need to carry out the sampling to quality of water first before the detection of quality of water, but the sampling how much of uncontrollable sampling when sampling device uses, can only rely on the volume of just can confirming the sample in the container of sampling, the loaded down with trivial details that the sampling process can become, and the sampling volume inaccuracy still can lead to secondary pollution, current sampling device filter effect is also not obvious, influence the normal use of equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling device for online water quality analyzer to solve the problem that proposes among the above-mentioned background art.

For realizing above-mentioned mesh, the utility model discloses a following technical scheme realizes a sampling device for online water quality analyzer, including the sampling pipe, the sampling pipe passes through fixing bolt and connects the front end housing, be provided with the water inlet on the front end housing, the inlet tube is connected to the water inlet, inlet tube end-to-end connection has the filter head, be provided with the suction pump in the middle of the inlet tube, be provided with the sealing plug in the sampling pipe, the sealing plug is connected with sampling pipe inner wall sliding fit, fixedly connected with base on the sealing plug, swing joint has the lead screw in the base, the lead screw is connected with sampling pipe top screw-thread fit, and runs through the sampling pipe top, lead screw fixedly connected with regulating block, the sampling pipe front end is provided with the delivery port, the delivery port has the sampling bottle through nut connection.

As a further aspect of the present invention: the cavity that sampling pipe and front end housing are constituteed is provided with first filter screen and second filter screen, first filter screen and second filter screen pass through the connecting rod and connect. Filtering out impurities not relevant to detection

As a further aspect of the present invention: and a first limiting block and a second limiting block are respectively arranged at the rear end of the first filter screen and the front end of the second filter screen. The filter screen is limited.

As a further aspect of the present invention: and the outer wall of the sampling pipe is provided with scale marks. The quantity of the water to be collected is convenient to set.

As a further aspect of the present invention: and a rubber sealing gasket is arranged at the joint of the sampling pipe and the front end cover. The function of sealing connection is achieved.

As a further aspect of the present invention: the water inlet pipe is provided with a first switch valve. Controlling the water flow.

As a further aspect of the present invention: and a second switch valve is arranged between the sampling pipe and the sampling bottle. Controlling the flow of the sample to be sampled into the sample bottle.

As a further aspect of the present invention: the filter head comprises a water collecting opening, the water collecting opening is connected with a water inlet cover through threads, a filter screen is arranged in the water inlet cover, and a through hole is formed in the top end of the water inlet cover. The arrangement of the through holes and the filter screen can filter out a part of large impurities in water.

The utility model has the advantages that: through the technical scheme above adopting, at first set up the size that mobilizable sealing plug comes control sampling pipe internal diameter, and then can control the size of the volume of taking the sample, locate to add filter equipment at the sampling head, carry out the one-level filtration, filter some great impurities, add filter equipment in the sampling pipe, can guarantee that the sample of gathering can filter most to the irrelevant impurity of detection water quality, convenient to detach is convenient for wash sampling pipe and filter screen moreover.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the filter head.

FIG. 3 is a bottom view of the inlet cover.

In the figure: 1-sampling pipe, 2-fixing bolt, 3-front end cover, 4-water inlet, 5-water inlet pipe, 6-filter head, 7-water pump, 8-sealing plug, 9-base, 10-lead screw, 11-adjusting block, 12-water outlet, 13-nut, 14-sampling bottle, 15-first filter screen, 16-second filter screen, 17-connecting rod, 18-first limiting block, 19-second limiting block, 20-scale line, 21-rubber sealing gasket, 22-first switch valve, 23-second switch valve, 24-water collecting port, 25-water inlet cover, 26-filter screen and 27-through hole.

Detailed Description

The drawings are for illustrative purposes only, and some components of the drawings may be omitted, enlarged or reduced in order to better explain the present embodiment, and do not represent the size of an actual product.

Example 1

Referring to the attached figure 1, a sampling device for an online water quality analyzer comprises a sampling pipe 1, wherein the sampling pipe 1 is connected with a front end cover 3 through a fixing bolt 2, a rubber sealing gasket 21 is arranged at the joint of the sampling pipe 1 and the front end cover 3 to play a role of sealing, a water inlet 4 is arranged on the front end cover 3, the water inlet 4 is connected with a water inlet pipe 5, the water inlet pipe 5 is connected with a water suction pump 7, the other end of the water inlet pipe 5 is connected with a filter head 6, a first switch valve 22 is arranged on the water inlet pipe 5, a water outlet 12 is arranged at the front end of the sampling pipe 4, the water outlet 12 is connected with a sampling bottle 14 through a nut 13, a second switch valve 23 is arranged between the sampling bottle 14 and the sampling pipe 1, when sampling is needed, the filter head 6 is inserted into detected water quality, the first switch valve 22 is opened, the second switch valve 23 is closed, then the water suction pump 7 is opened, and liquid is filled in a cavity of the sampling pipe 1, the suction pump 7 and the first on-off valve 22 are closed and then the second on-off valve 23 is opened to allow the liquid to flow into the sample bottle 14.

Example 2

If the volume of liquid needs to be controlled, be provided with sealing plug 8 in the sampling pipe 1, sealing plug 8 is connected with 1 inner wall sliding fit of sampling pipe, fixedly connected with base 9 on the sealing plug 8, swing joint has lead screw 10 in the base 9, lead screw 10 runs through sampling pipe 1, and passes through threaded connection with sampling pipe 1, and lead screw 10 fixedly connected with regulating block 11 is provided with scale mark 20 on the 1 outer wall of sampling pipe, before sampling, makes lead screw 10 reciprocate through regulating block 11 earlier, and on sealing plug 8 removed the specific position of scale mark 20 of sampling pipe 1, then samples, can control what of the volume of the liquid of gathering.

Example 3

Referring to the attached drawings 1 and 2, the device is provided with two filtering devices, a first filter screen 15 and a second filter screen 16 are arranged in a cavity formed by the sampling pipe 1 and the front end cover 3, the first filter screen 15 and the second filter screen 16 are connected through a connecting rod 17, a first limiting block 18 and a second limiting block 19 are respectively arranged at the rear end of the first filter screen 15 and the front end of the second filter screen 16, filter screens for filtering different substances can be arranged according to different content detection, after the device is used, when the sampling pipe 1 is cleaned or replaced, the fixing bolt 2 is disassembled, the front end cover 3 and the sampling pipe 1 are separated, and the filter screens and the sampling pipe 1 are cleaned. Filter 6 has also been added to 7 lower extremes of suction pump, filter 6 is including catchmenting mouthful 24, catchment mouthful 24 and advance water lid 25 through threaded connection, advance to have filter screen 26 in the water lid 25, advance water lid 25 top and seted up through-hole 27, as shown in fig. 3, through-hole 27 and filter screen 26 set up can effectually filter great impurity in the liquid of treating the collection, effectual protection pipeline and sampling device.

While the preferred embodiments of this patent have been described in detail, this patent is not limited to the above-described embodiments, and various changes can be made without departing from the spirit of the patent within the knowledge of those skilled in the art.

Claims (8)

1. The sampling device for the online water quality analyzer comprises a sampling pipe (1) and is characterized in that the sampling pipe (1) is connected with a front end cover (3) through a fixing bolt (2), a water inlet (4) is formed in the front end cover (3), the water inlet (4) is connected with a water inlet pipe (5), the tail end of the water inlet pipe (5) is connected with a filter head (6), a water suction pump (7) is arranged in the middle of the water inlet pipe (5), a sealing plug (8) is arranged in the sampling pipe (1), the sealing plug (8) is connected with the inner wall of the sampling pipe (1) in a sliding fit manner, a base (9) is fixedly connected with the sealing plug (8), a lead screw (10) is movably connected in the base (9), the lead screw (10) is connected with the sampling pipe (1) in a threaded fit manner and penetrates through the top of the sampling pipe (1), and an adjusting block (11) is fixedly connected with the lead screw (10), the sampling tube (1) front end is provided with delivery port (12), delivery port (12) are connected with sampling bottle (14) through nut (13).

2. The sampling device for the online water quality analyzer according to claim 1, wherein a first filter screen (15) and a second filter screen (16) are arranged in a cavity formed by the sampling pipe (1) and the front end cover (3), and the first filter screen (15) and the second filter screen (16) are connected through a connecting rod (17).

3. The sampling device for the online water quality analyzer according to claim 2, wherein a first limiting block (18) and a second limiting block (19) are respectively arranged at the rear end of the first filter screen (15) and the front end of the second filter screen (16).

4. The sampling device for the online water quality analyzer according to claim 1, wherein the outer wall of the sampling pipe (1) is provided with scale marks (20).

5. The sampling device for the online water quality analyzer according to claim 1, wherein a rubber gasket (21) is arranged at the joint of the sampling pipe (1) and the front end cover (3).

6. The sampling device for the online water quality analyzer according to claim 1, wherein the inlet pipe (5) is provided with a first on-off valve (22).

7. The sampling device for the online water quality analyzer according to claim 1, wherein a second switch valve (23) is arranged between the sampling pipe (1) and the sampling bottle (14).

8. The sampling device for the online water quality analyzer according to claim 1, wherein the filter head (6) comprises a water collecting opening (24), the water collecting opening (24) is connected with a water inlet cover (25) through threads, a filter screen (26) is arranged in the water inlet cover (25), and a through hole (27) is formed in the top end of the water inlet cover (25).

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