CN212722188U - Liquid sampler - Google Patents

Abstract

The utility model discloses a liquid sampler, including sealed sampling bottle, be used for extracting the air exhaust device of the inside of sealed sampling bottle, with the communicating sampling pipe in inside of sealed sampling bottle, locate the depth of water indicateing vane of sampling pipe and be used for installing the sampling pole of sampling pipe. The end of intaking of operation sampling pole with the sampling pipe is placed in the waters of treating the sampling, the end of intaking of sampling pipe stretches into the surface of water again, the degree of depth of sampling is confirmed according to the depth of water indicateing mark of sampling pipe, then air exhaust device work is taken out the air in sealed sampling bottle, make and form the negative pressure in the sealed sampling bottle, the liquid sample of treating the collection passes through in the sampling pipe inflow sealed sampling bottle, and then realize the collection of liquid sample, because can stretch into the degree of depth of treating the sampling with the end of intaking of sampling pipe again will seal the sampling bottle and form the negative pressure and carry out the sampling of liquid, can ensure that the liquid sample of collection all is the liquid sample of the fixed degree of depth of predetermineeing, and then guarantee the accuracy of sampling.

Description

Liquid sampler

Technical Field

The utility model relates to a liquid sampling field especially relates to a liquid sampler.

Background

In order to detect water quality, water samples in rivers, lakes and the like are collected for detection. The existing common sampler is an organic glass water quality sampler, in the using process, a rubber tube at the water outlet of the sampler is clamped firstly, then an upper cover is opened, the sampler sinks into water, a water inlet at the bottom is automatically opened, when the sampler sinks to the required depth, an upper rope is lifted, and the upper cover and a lower water inlet are automatically closed. And (4) stretching the rubber tube of the water outlet into the container opening, loosening the iron clamp, and injecting the water sample into the container to finish the collection of the water sample. When the sampling mode has the following defects: the method is difficult to adapt to the water body with longer side slope and complex shoreside environmental conditions; in the process of throwing the sampler and drawing back the sampler after getting water, the sampler is easy to collide with other objects to cause the damage of organic glass; the disturbance to the water is great during sampling, and the water sample of getting is often the mixed appearance of the different degree of depth, and is not specific the water sample of a certain degree of depth, leads to the sampling inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid sampler aims at solving prior art, the unsafe problem of liquid sampling.

To achieve the purpose, the utility model adopts the following technical proposal:

the liquid sampler comprises a sealed sampling bottle, an air extractor used for extracting air in the sealed sampling bottle, a sampling pipe communicated with the inside of the sealed sampling bottle, a water depth indicator arranged on the sampling pipe, and a sampling rod used for installing the sampling pipe.

Further, the sampling rod comprises a fixed rod and a telescopic rod connected with the fixed rod.

Furthermore, a connecting piece is arranged between the fixed rod and the telescopic rod, and the fixed rod is detachably connected with the telescopic rod through the connecting piece.

Further, the sampling tube comprises a hard conduit fixedly arranged on the sampling rod and communicated with the interior of the sealed sampling bottle, and a soft conduit connected with the hard conduit; the sampling rod is provided with a lifting ring, and the soft catheter penetrates through the lifting ring.

Further, hard pipe with be equipped with the adapter between the soft pipe, hard pipe passes through the adapter with soft pipe can dismantle the connection.

Further, the air extractor comprises an air extracting cylinder communicated with the inside of the sealed sampling bottle and an air extracting piston arranged in the air extracting cylinder.

Further, an exhaust tube is arranged between the exhaust tube and the sealed sampling bottle, one end of the exhaust tube is communicated with the inside of the sealed sampling bottle, a first one-way valve for the exhaust of the air exhaust device is arranged at the other end of the exhaust tube, and the exhaust tube is communicated with the exhaust tube.

Further, the sampling tube is provided with a second one-way valve for liquid to flow to the sealed sampling bottle.

Furthermore, a heavy hammer is arranged on the sampling pipe.

Further, sealed sampling bottle is transparent, sealed sampling bottle is equipped with the sampling scale mark.

Further, the sealed sampling bottle comprises a sampling bottle body and a sampling bottle cap used for sealing the sampling bottle body.

Further, the sampling bottle cap is fixedly arranged on the sampling rod.

The utility model has the advantages that: the end of intaking of operation sampling pole with the sampling pipe is placed in the waters of treating the sampling, the end of intaking of sampling pipe stretches into the surface of water again, the degree of depth of sampling is confirmed according to the depth of water indicateing mark of sampling pipe, then air exhaust device work is taken out the air in sealed sampling bottle, make and form the negative pressure in the sealed sampling bottle, the liquid sample of treating the collection passes through in the sampling pipe inflow sealed sampling bottle, and then realize the collection of liquid sample, because can stretch into the degree of depth of treating the sampling with the end of intaking of sampling pipe again will seal the sampling bottle and form the negative pressure and carry out the sampling of liquid, can ensure that the liquid sample of collection all is the liquid sample of the fixed degree of depth of predetermineeing, and then guarantee the accuracy of sampling.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a liquid sampler according to an embodiment of the present invention;

in the figure:

1. sealing the sampling bottle; 101. sampling a bottle body; 102. a sampling bottle cap; 103. sampling scale marks; 2. an air extraction device; 201. an air pumping cylinder; 202. an air extraction piston; 3. a sampling tube; 301. a hard catheter; 302. a soft catheter; 303. an adapter; 4. a water depth indicator; 5. a sampling rod; 501. fixing the rod; 502. a telescopic rod; 503. a connecting member; 6. an air exhaust pipe; 7. a first check valve; 8. a second one-way valve; 9. a weight; 10. a lifting ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

As shown in fig. 1, the embodiment of the utility model provides a liquid sampler, including sealed sampling bottle 1, be used for extracting the air exhaust device 2 of the inside of sealed sampling bottle 1, with the communicating sampling pipe 3 of the inside of sealed sampling bottle 1, locate the depth of water indicator 4 of sampling pipe 3 and be used for installing sampling rod 5 of sampling pipe 3.

In the embodiment of the present invention, the sampling process of the liquid sampler to the liquid (river water, lake water, sea water, etc.) is: the end of intaking of operation sampling pole 5 with sampling pipe 3 places in the waters of treating the sampling, the end of intaking of sampling pipe 3 again stretches into the surface of water, the degree of depth of sampling is confirmed according to sampling pipe 3's depth of water indicateing mark 4, then 2 work of air exhaust device takes out the air in sealed sampling bottle 1, make and form the negative pressure in the sealed sampling bottle 1, treat that the liquid sample of gathering passes through in the sealed sampling bottle 1 of sampling pipe 3 inflow, and then realize the collection of liquid sample, because can stretch into the degree of depth of treating the sampling with the end of intaking of sampling pipe 3 earlier and form the negative pressure again and carry out the sampling of liquid in sealed sampling bottle 1, can ensure that the liquid sample of gathering all is the liquid sample of the fixed preset degree of depth, and not the mixed appearance of the different degree of depth, and then guaranteed the accuracy of sampling.

Due to the arrangement of the sampling rod 5, the sampling pipe 3 can be driven to a position far away from the offshore side or a water body with more obstacles by the sampling rod 5; the sealed sampling bottle 1 can be placed on a shore or other bearing objects, is not easy to touch in the use process, is not easy to damage in the use process, and further reduces the use cost; the sealed sampling bottle 1 can be placed on the shore or other bearing objects, so that the main weight of the liquid sampler is concentrated on the shore, and labor is saved in the using process.

Further, please refer to fig. 1, as a specific embodiment of the liquid sampler provided by the present invention, the sampling rod 5 includes a fixing rod 501 and a telescopic rod 502 connected to the fixing rod 501. The length of the telescopic rod 502 can be changed in a telescopic manner, so that the sampling tube 3 can be placed at different positions away from the shore for sampling.

Further, please refer to fig. 1, as a specific embodiment of the liquid sampler provided by the present invention, a connecting member 503 is disposed between the fixing rod 501 and the telescopic rod 502, and the fixing rod 501 is detachably connected to the telescopic rod 502 through the connecting member 503. The fixing rod 501 and the telescopic rod 502 can be quickly connected and disassembled through the connecting piece 503, so that the sampling rod 5 can be conveniently assembled and the sampling rod 5 can be conveniently carried after being disassembled.

Further, referring to fig. 1, as an embodiment of the liquid sampler provided by the present invention, the sampling tube 3 includes a hard tube 301 fixedly installed on the sampling rod 5 and communicating with the inside of the sealed sampling bottle 1, and a soft tube 302 connected to the hard tube 301; the sampling rod 5 is provided with a hanging ring 10, and the soft catheter 302 is arranged through the hanging ring 10. Hard pipe 301 is fixed in on the sampling pole 5, and communicates with each other with the inside of sealed sampling bottle 1, guarantees the stability when hard pipe 301 and the installation of sealed sampling bottle 1 are connected, and soft pipe 302 is installed on sampling pole 5 through rings 10 and can be relative sampling pole 5 turn to insert in the liquid that waits to take a sample.

Further, please refer to fig. 1, as a specific embodiment of the liquid sampler provided by the present invention, an adapter 303 is disposed between the hard conduit 301 and the soft conduit 302, and the hard conduit 301 is detachably connected to the soft conduit 302 through the adapter 303. A joint 303 is arranged between the hard catheter 301 and the soft catheter 302 to realize quick assembly and disassembly, and when the depth of liquid to be sampled is deeper, the soft catheter 302 with longer length can be quickly replaced to adapt to the use requirement.

Further, referring to fig. 1, as a specific embodiment of the liquid sampler provided by the present invention, the air extractor 2 includes an air extracting cylinder 201 communicating with the inside of the sealed sampling bottle 1, and an air extracting piston 202 disposed in the air extracting cylinder 201. The air-extracting piston 202 moves in the air-extracting cylinder 201 to extract the air in the sealed sampling bottle 1, and the air-extracting cylinder can be operated manually without the supply of an external energy source. Of course, in the embodiment of the present invention, the air in the sealed sampling bottle 1 can also be extracted by using an automatic device such as an air pump.

Further, please refer to fig. 1, as the utility model provides a liquid sampler's a specific implementation, be equipped with exhaust tube 6 between pump bowl 201 and the sealed sampling bottle 1, the one end of exhaust tube 6 communicates with each other with the inside of sealed sampling bottle 1, and the other end of exhaust tube 6 is equipped with and supplies the carminative first check valve 7 of air exhaust device 2, and pump bowl 201 communicates with each other with exhaust tube 6. The air in the sealed sampling bottle 1 can be extracted by pulling the air extracting piston 202, at the moment, the first one-way valve 7 is closed, the liquid enters the sealed sampling bottle 1 along the sampling pipe 3, in order to collect a liquid sample with enough volume, the air extracting piston 202 needs to be pulled for many times, namely, the air extracting piston 202 needs to be pushed to reset after the air extracting piston 202 is pulled, and the first one-way valve 7 is opened to exhaust the air from the air extracting device 2 when the air extracting piston 202 is pushed to reset, so that the liquid in the sealed sampling bottle 1 is prevented from being discharged.

Further, referring to fig. 1, as an embodiment of the liquid sampler provided by the present invention, the sampling tube 3 is provided with a second check valve 8 for liquid flowing to the sealed sampling bottle 1. Set up second check valve 8, liquid can't flow out sealed sampling bottle 1 through sampling pipe 3, can not discharge the liquid in the sampling bottle when further guaranteeing to promote air bleed piston 202 and reset.

Further, please refer to fig. 1, as the utility model provides a liquid sampler's a specific implementation, sealed sampling bottle 1 fixed mounting has promoted liquid sampler's wholeness, portable on sampling rod 5.

Further, please refer to fig. 1, as the utility model provides a liquid sampler's a specific implementation, be equipped with weight 9 on the sampling pipe 3 to realize that sampling pipe 3 stretches into the liquid perpendicularly, promote the accuracy that the degree of depth indicateing scale 4 indicates, further realize the accuracy of sampling.

Further, please refer to fig. 1, as the utility model provides a liquid sampler's a specific implementation, sealed sampling bottle 1 is the transparence, and sealed sampling bottle 1 is equipped with sampling scale mark 103 to whether the volume of observing the liquid of gathering satisfies preset the demand.

Further, referring to fig. 1, as an embodiment of the liquid sampler provided by the present invention, the sealed sampling bottle 1 includes a sampling bottle body 101 and a sampling bottle cap 102 for sealing the sampling bottle 1. After the liquid is collected, the sampling bottle cap 102 is opened to pour the liquid in the sampling bottle body 101 into a collection container.

Further, referring to fig. 1, as a specific embodiment of the liquid sampler provided by the present invention, a sampling bottle cap 102 is fixedly mounted on the sampling rod 5. With sampling bottle lid 102 fixed mounting on sampling rod 5, realize dismantling the connection with modes such as threaded connection between sampling bottle lid 102 and the sampling bottle 101, link to each other sampling bottle 101 and sampling bottle lid 102 during the use, pull down sampling bottle 101 under non-user state, the transportation and the accomodating of the liquid sample thief of being convenient for.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (9)

1. The liquid sampler is characterized by comprising a sealed sampling bottle, an air extractor for extracting air in the sealed sampling bottle, a sampling pipe communicated with the inside of the sealed sampling bottle, a water depth indicator arranged on the sampling pipe and a sampling rod for installing the sampling pipe; the sealed sampling bottle is transparent and is provided with sampling scale marks; the sealed sampling bottle comprises a sampling bottle body and a sampling bottle cap used for sealing the sampling bottle body; the sampling bottle cap is fixedly arranged on the sampling rod, and the sampling bottle cap is in threaded connection with the sampling bottle body.

2. The liquid sampler of claim 1, wherein the sampling rod comprises a fixed rod, and a telescoping rod connected to the fixed rod.

3. The liquid sampler of claim 2, wherein a connector is provided between the fixed rod and the telescopic rod, and the fixed rod is detachably connected to the telescopic rod through the connector.

4. The liquid sampler of claim 1, wherein the sampling tube comprises a rigid conduit fixedly mounted to the sampling rod and communicating with the interior of the sealed sampling bottle, and a flexible conduit connected to the rigid conduit; the sampling rod is provided with a lifting ring, and the soft catheter penetrates through the lifting ring.

5. The fluid sampler of claim 4, wherein an adapter is provided between the hard conduit and the soft conduit, and the hard conduit is detachably connected to the soft conduit via the adapter.

6. The liquid sampler of any one of claims 1-5, wherein the pumping device comprises a pumping cylinder in communication with the interior of the sealed sample bottle, and a pumping piston disposed within the pumping cylinder.

7. The liquid sampler according to claim 6, wherein an air suction pipe is arranged between the air suction cylinder and the sealed sampling bottle, one end of the air suction pipe is communicated with the inside of the sealed sampling bottle, the other end of the air suction pipe is provided with a first one-way valve for exhausting air by the air suction device, and the air suction cylinder is communicated with the air suction pipe.

8. The liquid sampler of claim 7, wherein the sampling tube is provided with a second one-way valve for flow of liquid to the sealed sampling bottle.

9. The liquid sampler of claim 1, wherein the sampling tube has a weight.

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