Water quality sampler

Abstract

The utility model relates to the technical field of water quality detection, in particular to a water quality sampler which comprises a storage pipe, a sealing assembly and a sampling mechanism, the sampling mechanism comprises a sampling pipe, an auxiliary assembly, an insertion pipe, a sealing gasket, a limiting ring and a quantifying assembly, and the insertion pipe with the sampling pipe is inserted into the storage pipe; after installation is completed, the water quality sampler is placed in water, water flows into the storage pipe through the sampling pipe and the inserting pipe, when the storage pipe is full of water, the quantitative assembly is closed, the water quality sampler is taken out, the auxiliary assembly is pulled, the inserting pipe and the storage pipe are separated, and the storage pipe is sealed through the sealing assembly. And the problem that the water sample is easily contacted with dust or microorganisms in the air in the transferring and storing process, so that the water sample is polluted, and the detection result has an error is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality detection, in particular to a water quality sampler. Background Art

[0002] Water quality sampling is to understand the pollution status of water bodies and evaluate water quality, etc. It can truly reflect the chemical composition and characteristics of water bodies. Water quality sampling involves a series of standardized operations to ensure that the collected water samples are representative. Water quality samplers are usually used. When common water quality samplers are sampling, larger floating objects in the water can easily enter the sampler, making it inconvenient to clean up later.

[0003] The water quality sampler disclosed in the prior art CN208076204U includes a water collecting bucket, a handle is provided on the upper end of the outer wall of the water collecting bucket, a hanging ring is provided on the handle, a water hole is provided inside the water collecting bucket, and a filter is provided in the water hole. Large floating objects in the water body are filtered through the filter to prevent large floating objects from entering the water collecting bucket, which is convenient for later cleaning.

[0004] However, in the above-mentioned mechanism, water samples are easily exposed to dust or microorganisms in the air during the transfer process, causing water sample contamination and further causing errors in the test results. Utility Model Content

[0005] The purpose of the utility model is to provide a water quality sampler, which solves the problem that water samples are easily exposed to dust or microorganisms in the air during transfer, causing water sample contamination and further causing errors in detection results.

[0006] To achieve the above-mentioned purpose, the utility model provides a water quality sampler, comprising a storage tube, a sealing assembly and a sampling mechanism, wherein the sealing assembly is arranged on the outer wall of the storage tube, and the sampling mechanism comprises a sampling tube, an auxiliary assembly, a cannula, a sealing gasket, a limiting ring and a quantitative assembly, the sampling tube is arranged above the storage tube, the auxiliary assembly is arranged on the outer wall of the sampling tube, one end of the cannula is fixedly connected to the sampling tube and is located below the sampling tube, the sealing gasket is arranged on the outer wall of the cannula away from one end of the sampling tube, the end of the cannula with the sealing gasket is plugged into the storage tube, the limiting ring is fixedly connected to the cannula and is located on the inner wall of the cannula, and the quantitative assembly is arranged below the limiting ring.

[0007] In which, the sealing assembly includes a mounting ring, a connecting rope, a sealing cover and a sealing plug. The mounting ring is fixedly connected to the storage tube and is located on the outer wall of the storage tube. One end of the connecting rope is fixedly connected to the mounting ring, the sealing cover is fixedly connected to the other end of the connecting rope, and the sealing plug is fixedly connected to the sealing cover and is located on the outer wall of the sealing cover.

[0008] In which, the auxiliary component includes two fixed blocks, a handle, a mounting seat and a connecting ring. The two fixed blocks are relatively arranged on the outer side walls of the sampling tube. The handle is fixedly connected to the two fixed blocks and is located above the two fixed blocks. The mounting seat is fixedly connected to the sampling tube and is located on the outer side wall of the sampling tube. The connecting ring is fixedly connected to the mounting seat and is located above the mounting seat.

[0009] In which, the quantitative component includes a mounting plate, a floating plate, a sealing ring, a telescopic rod and a spring. The mounting plate is fixedly connected to the cannula and is located below the cannula. The floating plate is arranged above the mounting plate, and the size of the floating plate is smaller than the size of the limiting ring. The sealing ring is sleeved on the outer wall of the floating plate, the telescopic rod is fixedly connected between the mounting plate and the floating plate, and the spring is fixedly connected between the mounting plate and the floating plate.

[0010] Wherein, the water quality sampler further includes a counterweight mechanism, and the counterweight mechanism is movably arranged on the outer side wall of the storage tube.

[0011] In which, the counterweight mechanism includes a mounting sleeve, a threaded sleeve and a counterweight block, the mounting sleeve is arranged on the outer wall of the storage tube, the threaded sleeve is fixedly connected to the mounting sleeve and is located on the outer wall of the mounting sleeve, and the outer wall of the threaded sleeve is provided with an external thread, the counterweight block is provided with an internal thread matching the external thread of the threaded sleeve, the counterweight block is threadedly connected to the threaded sleeve and is located on the outer wall of the threaded sleeve.

[0012] The utility model provides a water quality sampler, which inserts the cannula with the sampling tube into the storage tube, and the sealing gasket is used to seal the gap between the cannula and the storage tube. After installation, the water quality sampler is placed in water, and the water enters the storage tube through the sampling tube and the cannula. When the storage tube is full of water, the quantitative component is closed, and the water quality sampler is pulled out of the water body. The sampling tube with the cannula is pulled out of the storage tube by pulling the auxiliary component, and the storage tube is sealed by the sealing component to complete water quality sampling, thereby solving the problem that water samples are easily exposed to dust or microorganisms in the air during transfer, causing water sample contamination and thus causing errors in detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the present utility model.

[0015] Figure 2 It is a structural cross-sectional view of the storage tube and the insertion tube of the first embodiment of the utility model.

[0016] Figure 3 yes Figure 2 Large enlarged view of point A in the middle.

[0017] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the present utility model.

[0018] Figure 5 It is a structural schematic diagram of the storage tube, mounting sleeve, threaded sleeve and counterweight block of the second embodiment of the utility model.

[0019] 101- storage tube, 102- sampling tube, 103- cannula, 104- sealing gasket, 105- limiting ring, 106- mounting ring, 107- connecting rope, 108- sealing cover, 109- sealing plug, 110- fixing block, 111- handle, 112- mounting seat, 113- connecting ring, 114- mounting plate, 115- floating plate, 116- sealing ring, 117- telescopic rod, 118- spring, 201- mounting sleeve, 202- threaded sleeve 203- counterweight. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment

[0022] See also Figures 1 to 3 , Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the present utility model. Figure 2 It is a structural cross-sectional view of the storage tube and the insertion tube of the first embodiment of the utility model. Figure 3 yes Figure 2 Large enlarged view of point A in the middle.

[0023] The utility model provides a water quality sampler, including a storage tube 101, a sealing assembly and a sampling mechanism, the sampling mechanism including a sampling tube 102, an auxiliary assembly, a cannula 103, a sealing gasket 104, a limiting ring 105 and a quantitative assembly, the sealing assembly including a mounting ring 106, a connecting rope 107, a sealing cover 108 and a sealing plug 109, the auxiliary assembly including two fixed blocks 110, a handle 111, a mounting seat 112 and a connecting ring 113, the quantitative assembly including a mounting plate 114, a floating plate 115, a sealing ring 116, a telescopic rod 117 and a spring 118. The above structure solves the problem that water samples are easily exposed to dust or microorganisms in the air during transfer, causing water sample contamination and thus causing errors in the test results.

[0024] According to a specific embodiment, the sealing component is arranged on the outer wall of the storage tube 101, the sampling tube 102 is arranged above the storage tube 101, the auxiliary component is arranged on the outer wall of the sampling tube 102, one end of the cannula 103 is fixedly connected to the sampling tube 102 and is located below the sampling tube 102, the sealing gasket 104 is arranged on the outer wall of the cannula 103 away from one end of the sampling tube 102, the end of the cannula 103 with the sealing gasket 104 is plugged into the storage tube 101, the limiting ring 105 is fixedly connected to the cannula 103 and is located on the inner wall of the cannula 103, the quantitative component is arranged below the limiting ring 105, and the cannula 103 with the sampling tube 102 is fixedly connected to the sampling tube 102. Inserted into the storage tube 101, the sealing gasket 104 is used to seal the gap between the cannula 103 and the storage tube 101. After installation, the water quality sampler is placed in water, and the water enters the storage tube 101 through the sampling tube 102 and the cannula 103. When the storage tube 101 is full of water, the quantitative component is closed, and the water quality sampler is pulled out of the water body. By pulling the auxiliary component, the sampling tube 102 with the cannula 103 is pulled out of the storage tube 101, and the storage tube 101 is sealed by the sealing component to complete the water quality sampling, which solves the problem that the water sample is easily exposed to dust or microorganisms in the air during the transfer process, causing water sample contamination, and then causing errors in the test results.

[0025] Among them, the mounting ring 106 is fixedly connected to the storage tube 101 and is located on the outer wall of the storage tube 101, one end of the connecting rope 107 is fixedly connected to the mounting ring 106, the sealing cover 108 is fixedly connected to the other end of the connecting rope 107, and the sealing plug 109 is fixedly connected to the sealing cover 108 and is located on the outer wall of the sealing cover 108. The mounting ring 106 and the connecting rope 107 are used to connect the sealing cover 108 and the storage tube 101, and the sealing cover 108 is used to install the sealing plug 109. When the storage tube 101 is full of water, the water quality sampler is pulled out of the water body, and the sampling tube 102 with the cannula 103 is pulled out of the storage tube 101 by pulling the auxiliary component, and the sealing plug 109 is inserted into the storage tube 101 to complete the sealing of the storage tube 101.

[0026] Among them, the two fixed blocks 110 are relatively arranged on the outer side walls of the sampling tube 102, the handle 111 is fixedly connected to the two fixed blocks 110 and is located above the two fixed blocks 110, the mounting seat 112 is fixedly connected to the sampling tube 102 and is located on the outer side wall of the sampling tube 102, the connecting ring 113 is fixedly connected to the mounting seat 112 and is located above the mounting seat 112, the two fixed blocks 110 are used to fix the handles 111, the mounting seat 112 is used to install the connecting ring 113, and the connecting ring 113 is used to install an external rope. When the storage tube 101 is full of water, the water quality sampler is pulled out of the water body, and the sampling tube 102 with the cannula 103 is pulled out of the storage tube 101 by pulling the handle 111, which is convenient for the operator to seal the storage tube 101 later.

[0027] Among them, the mounting plate 114 is fixedly connected to the cannula 103 and is located below the cannula 103. The floating plate 115 is arranged above the mounting plate 114, and the size of the floating plate 115 is smaller than the size of the limiting ring 105. The sealing ring 116 is sleeved on the outer wall of the floating plate 115. The telescopic rod 117 is fixedly connected between the mounting plate 114 and the floating plate 115. The spring 118 is fixedly connected between the mounting plate 114 and the floating plate 115. The floating plate 115 is used to provide buoyancy, and the spring 118 is used to provide elastic force. The buoyancy provided by the floating plate 115 is greater than that provided by the spring 118. Elastic force. After the installation is completed, the water quality sampler is placed in water, and the water passes through the sampling tube 102 and the cannula 103 into the storage tube 101. The water level in the storage tube 101 continues to rise. When it contacts the float plate 115, the float plate 115 generates buoyancy. Since the buoyancy provided by the float plate 115 is greater than the elastic force provided by the spring 118, the telescopic rod 117 and the spring 118 are stretched, and the float plate 115 slowly rises until the float plate 115 contacts the limit ring 105. The sealing ring 116 is used to seal to prevent water from entering the storage tube 101. At this time, water cannot enter the storage tube 101.

[0028] When using the water sampler of the present invention, the cannula 103 with the sampling tube 102 is inserted into the storage tube 101, and the sealing gasket 104 is used to seal the gap between the cannula 103 and the storage tube 101. After installation, the water sampler is placed in water, and water enters the storage tube 101 through the sampling tube 102 and the cannula 103. The water level in the storage tube 101 continues to rise, and when it contacts the float plate 115, the float plate 115 generates buoyancy. Since the buoyancy provided by the float plate 115 is greater than the elastic force provided by the spring 118, the float plate 115 generates buoyancy. The plate 115 rises slowly until the float plate 115 contacts the limit ring 105. At this time, the water flow cannot enter the storage tube 101. The external rope connected to the connecting ring 113 is pulled to separate the water quality sampler from the water body. By pulling the handle 111, the sampling tube 102 with the cannula 103 is pulled out of the storage tube 101, and then the sealing plug 109 is inserted into the storage tube 101 to complete the sealing of the storage tube 101. This solves the problem that water samples are easily exposed to dust or microorganisms in the air during transfer, causing water sample contamination and thus causing errors in the test results.

[0029] Second embodiment

[0030] See also Figures 4 and 5 , Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the present utility model. Figure 5 It is a structural diagram of a storage tube, a mounting sleeve 201, a threaded sleeve 202 and a counterweight 203 according to a second embodiment of the present invention.

[0031] On the basis of the first embodiment, the water quality sampler of the present invention further includes a counterweight mechanism, which includes a mounting sleeve 201 , a threaded sleeve 202 and a counterweight block 203 .

[0032] According to a specific embodiment, the counterweight mechanism is movably provided on the outer wall of the storage tube 101 , and the counterweight mechanism is used to increase the overall mass of the water sampler to ensure that the sampling tube 102 can stably dive to a specified water depth.

[0033] Among them, the mounting sleeve 201 is arranged on the outer wall of the storage tube 101, the threaded sleeve 202 is fixedly connected to the mounting sleeve 201 and is located on the outer wall of the mounting sleeve 201, and the outer wall of the threaded sleeve 202 is provided with an external thread, and the counterweight block 203 is provided with an internal thread matching the external thread of the threaded sleeve 202, the counterweight block 203 is threadedly connected to the threaded sleeve 202 and is located on the outer wall of the threaded sleeve 202, and the mounting sleeve 201 is used to install the threaded sleeve 202. When the mass of the water quality sampler needs to be increased, the mounting sleeve 201 with the threaded sleeve 202 is sleeved on the outer wall of the storage tube 101, and the counterweight block 203 is screwed into the external thread of the threaded sleeve 202 until it is in a tightened state, thereby completing the addition of counterweight and ensuring that the sampling tube 102 can dive smoothly to the specified water depth.

[0034] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A water quality sampler, characterized in that: The sampling mechanism comprises a storage tube, a sealing assembly and a sampling mechanism, wherein the sealing assembly is arranged on the outer wall of the storage tube, and the sampling mechanism comprises a sampling tube, an auxiliary assembly, a cannula, a sealing gasket, a limiting ring and a quantitative assembly, wherein the sampling tube is arranged above the storage tube, the auxiliary assembly is arranged on the outer wall of the sampling tube, one end of the cannula is fixedly connected to the sampling tube and is located below the sampling tube, the sealing gasket is arranged on the outer wall of the cannula away from one end of the sampling tube, the end of the cannula with the sealing gasket is plugged into the storage tube, the limiting ring is fixedly connected to the cannula and is located on the inner wall of the cannula, and the quantitative assembly is arranged below the limiting ring.

2. A water quality sampler as claimed in claim 1, characterized in that: The sealing assembly includes a mounting ring, a connecting rope, a sealing cover and a sealing plug. The mounting ring is fixedly connected to the storage tube and is located on the outer side wall of the storage tube. One end of the connecting rope is fixedly connected to the mounting ring. The sealing cover is fixedly connected to the other end of the connecting rope. The sealing plug is fixedly connected to the sealing cover and is located on the outer side wall of the sealing cover.

3. A water quality sampler as claimed in claim 1, characterized in that: The auxiliary component includes two fixed blocks, a handle, a mounting seat and a connecting ring. The two fixed blocks are arranged opposite to each other on the outer side walls of the sampling tube. The handle is fixedly connected to the two fixed blocks and is located above the two fixed blocks. The mounting seat is fixedly connected to the sampling tube and is located on the outer side wall of the sampling tube. The connecting ring is fixedly connected to the mounting seat and is located above the mounting seat.

4. A water sampler as claimed in claim 1, characterized in that: The quantitative assembly includes a mounting plate, a floating plate, a sealing ring, a telescopic rod and a spring. The mounting plate is fixedly connected to the cannula and is located below the cannula. The floating plate is arranged above the mounting plate, and the size of the floating plate is smaller than the size of the limiting ring. The sealing ring is sleeved on the outer wall of the floating plate, the telescopic rod is fixedly connected between the mounting plate and the floating plate, and the spring is fixedly connected between the mounting plate and the floating plate.

5. A water quality sampler as claimed in claim 1, characterized in that: The water quality sampler further comprises a counterweight mechanism, which is movably arranged on the outer side wall of the storage tube.

6. A water sampler as claimed in claim 5, characterized in that: The counterweight mechanism includes a mounting sleeve, a threaded sleeve and a counterweight block. The mounting sleeve is arranged on the outer wall of the storage tube. The threaded sleeve is fixedly connected to the mounting sleeve and is located on the outer wall of the mounting sleeve. The outer wall of the threaded sleeve is provided with an external thread. The counterweight block is provided with an internal thread matching the external thread of the threaded sleeve. The counterweight block is threadedly connected to the threaded sleeve and is located on the outer wall of the threaded sleeve.

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