Sampling tool for chemical laboratory for water environment detection

Abstract

The utility model relates to the technical field of sampling tools, in particular to a sampling tool for a chemical laboratory for water environment detection, which comprises a drawing tube, a drawing rod, a tap, an extraction tube and a blocking component, the blocking component comprises four support columns, a moving plate, a rubber plug, a threaded rod, a rotating plate, a rotating rod and a sealing ring, the rotating rod is held, and the drawing rod is inserted into the threaded rod. Due to the characteristic of threads, a movable plate can be driven to move downwards until a supporting column is inserted into an annular groove, at the moment, the movable plate makes contact with a sealing ring, a rubber plug enters an extraction pipe, and the sealing ring can further seal the movable plate to reduce overflow of liquid; in this way, liquid in the drawing pipe is prevented from leaking out from the extraction pipe when a detector walks, and the cleaning frequency of the detector is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling tools, in particular to a sampling tool used in a chemical laboratory for water environment detection. Background Art

[0002] Water environment testing is a unified, regular or real-time monitoring of water quality and quantity, as well as various man-made and natural factors in water bodies that affect ecological and environmental quality, in accordance with the laws of water circulation, such as precipitation, surface water and groundwater. Existing water environment testing must be completed in a chemical laboratory before water environment testing can be carried out, and sampling tools are required during the testing process.

[0003] In the prior art, a patent application with publication number CN215448636U discloses a sampling tool for chemical laboratories for water environment testing, including a pull-out tube, a pull-out rod, a tap and an extraction tube. The tap is slidably arranged on the inner wall of the pull-out tube, the pull-out tube is fixedly arranged above the tap, and the extraction tube is connected and arranged below the pull-out tube. When in use, the extraction tube is placed in the inspection water source, and the pull-out rod is pulled to drive the tap to move in the pull-out tube to draw water into the pull-out tube, which is convenient for the detection personnel to use and operate.

[0004] However, in the above-mentioned prior art, the liquid in the extraction tube is easily leaked out from the extraction tube when the inspector walks, which increases the number of times the inspector cleans and affects the efficiency of water environment detection. Utility Model Content

[0005] The purpose of the utility model is to provide a sampling tool for chemical laboratories for water environment testing, aiming to solve the problem in the prior art that the liquid in the extraction tube is easily leaked out of the extraction tube when the test personnel walk, which increases the number of times the inspectors clean up and affects the efficiency of water environment testing.

[0006] To achieve the above-mentioned purpose, the utility model provides a sampling tool for chemical laboratories for water environment detection, including a pull-out tube, a pull-out rod, a tap, an extraction tube and a plugging assembly, wherein the plugging assembly includes four support columns, a movable plate, a rubber plug, a threaded rod, a rotating plate, a rotating rod and a sealing ring, the pull-out rod is slidably connected to the pull-out tube and is located on the inner top wall of the pull-out tube, the tap is slidably connected to the pull-out tube and is located on the inner side wall of the pull-out tube, the tap is fixedly connected to the pull-out rod and is located below the pull-out rod, the extraction tube is connected to the pull-out tube and is located below the extraction tube, the pull-out rod has a threaded hole, the threaded rod is threadedly matched with the threaded hole, and the The rotating plate is fixedly connected to the threaded rod and is located above the threaded rod. The rotating rod is fixedly connected to the rotating plate and is located on the outer side wall of the rotating plate. The movable plate is fixedly connected to the threaded rod and is located below the threaded rod. The four support columns are fixedly connected to the movable plate and are respectively located below the movable plate. The pull-out tube has an annular groove, which is slidably fitted with the four support columns. The rubber plug is fixedly connected to the movable plate and is located below the movable plate, and the rubber plug is fitted with the pull-out tube. The sealing ring is fixedly connected to the pull-out tube and is located on the inner bottom wall of the pull-out tube, and the sealing ring is in contact with the movable plate.

[0007] Wherein, the blocking assembly further comprises a limiting frame, the limiting frame is fixedly connected to the pulling rod and is located above the pulling rod, and the limiting frame is in contact with the rotating plate.

[0008] Wherein, the chemical laboratory sampling tool for water environment detection also includes a filter component, and the filter component is arranged below the extraction tube.

[0009] Wherein, the filter assembly includes a piston ring, a filter tube and a filter net, the filter tube is arranged below the extraction tube, the piston ring is connected to the filter tube and is located above the filter tube, and the piston ring is movably matched with the extraction tube, the filter net is fixedly connected to the filter tube and is located on the inner wall of the filter tube.

[0010] Wherein, the chemical laboratory sampling tool for water environment detection also includes an auxiliary component, and the auxiliary component is arranged on the outer side wall of the pulling tube.

[0011] Wherein, the auxiliary component includes an ear plate and a fixing strip, the ear plate is fixedly connected to the pull-out tube and is located on the outer side wall of the pull-out tube, and the fixing strip is fixedly connected to the ear plate and is located on the outer side wall of the ear plate.

[0012] The utility model is a sampling tool for chemical laboratories for water environment testing. The rotating rod is held to drive the threaded rod under the rotating plate to rotate. Due to the characteristics of the thread, the movable plate is driven to move downward until the support column is inserted into the annular groove. At this time, the movable plate contacts the sealing ring, and the rubber plug enters the extraction tube. The sealing ring can further seal the movable plate to reduce liquid overflow. In this way, the liquid in the pull-out tube is prevented from leaking out of the extraction tube when the testing personnel walks, which effectively reduces the number of cleaning times by the testing personnel. 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 drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

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

[0015] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0016] Figure 3 The utility model Figure 2 AA line section view.

[0017] Figure 4 The utility model Figure 3 Enlarged view of the local structure at point B.

[0018] Figure 5 It is an overall structural diagram of the second embodiment of the utility model.

[0019] Figure 6 It is an overall front view of the second embodiment of the utility model.

[0020] 101-pull-out tube, 102-pull-out rod, 103-tap, 104-extraction tube, 105-blocking assembly, 106-filter assembly, 107-support column, 108-movable plate, 109-rubber plug, 110-threaded rod, 111-rotating plate, 112-rotating rod, 113-sealing ring, 114-limiting frame, 115-piston ring, 116-filter tube, 117-filter screen, 118-threaded hole, 119-annular groove, 201-auxiliary assembly, 202-ear plate, 203-fixing bar. DETAILED DESCRIPTION

[0021] 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.

[0022] First embodiment:

[0023] See also Figures 1 to 4 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is the overall front view of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line section view, Figure 4 The utility model Figure 3 Enlarged view of the local structure at point B.

[0024] The utility model provides a sampling tool for chemical laboratories for water environment detection, comprising a pulling tube 101, a pulling rod 102, a tap 103, an extraction tube 104, a plugging component 105 and a filtering component 106, wherein the plugging component 105 comprises four supporting columns 107, a movable plate 108, a rubber plug 109, a threaded rod 110, a rotating plate 111, a rotating rod 112, a sealing ring 113 and a limiting frame 114, the filtering component 106 comprises a piston ring 115, a filtering tube 116 and a filtering net 117, the pulling rod 102 has a threaded hole 118, and the pulling tube 101 has an annular groove 119.

[0025] According to this specific embodiment, the pulling rod 102 is slidably connected to the pulling tube 101 and is located on the inner top wall of the pulling tube 101. The tap 103 is slidably connected to the pulling tube 101 and is located on the inner side wall of the pulling tube 101. The tap 103 is fixedly connected to the pulling rod 102 and is located below the pulling rod 102. The extraction tube 104 is connected to the pulling tube 101 and is located below the extraction tube 104. When in use, the extraction tube 104 is placed in the inspection water source, and the pulling rod 102 is pulled to drive the tap 103 to move in the pulling tube 101, and water is pumped into the pulling tube 101 by pressure, which is convenient for detection personnel to use and operate.

[0026] Among them, the pulling rod 102 has a threaded hole 118, the threaded rod 110 is threadedly matched with the threaded hole 118, the rotating plate 111 is fixedly connected to the threaded rod 110 and is located above the threaded rod 110, the rotating rod 112 is fixedly connected to the rotating plate 111 and is located on the outer side wall of the rotating plate 111, the movable plate 108 is fixedly connected to the threaded rod 110 and is located below the threaded rod 110, the four supporting columns 107 are fixedly connected to the movable plate 108 and are respectively located below the movable plate 108, the pulling tube 101 has an annular groove 119, the annular groove 119 is slidably matched with the four supporting columns 107, the rubber plug 109 is fixedly connected to the movable plate 108 and is located below the movable plate 108, and the rubber plug 109 is The pull-out tube 101 is adapted, and the sealing ring 113 is fixedly connected to the pull-out tube 101 and is located on the inner bottom wall of the pull-out tube 101, and the sealing ring 113 is in contact with the movable plate 108. Holding the rotating rod 112, the threaded rod 110 under the rotating plate 111 is driven to rotate. Due to the characteristics of the thread, the movable plate 108 will be driven to move downward until the support column 107 is inserted into the annular groove 119. At this time, the movable plate 108 is in contact with the sealing ring 113, and the rubber plug 109 enters into the extraction tube 104. The sealing ring 113 can further close the movable plate 108 to reduce liquid overflow. In this way, the liquid in the pull-out tube 101 is prevented from leaking out of the extraction tube 104 when the inspector moves, which effectively reduces the number of times the inspector cleans.

[0027] Secondly, the limit frame 114 is fixedly connected to the pulling rod 102 and is located above the pulling rod 102, and the limit frame 114 is in contact with the rotating plate 111. The limit frame 114 can limit the moving distance of the rotating plate 111 to avoid excessive squeezing of the rubber plug 109 and extend the service life of the rubber plug 109.

[0028] At the same time, the chemical laboratory sampling tool for water environment testing also includes a filter component 106, which is arranged below the extraction tube 104. The filter component 106 is added to prevent large particles of impurities from entering the pull-out tube 101 and ensure the normal use of the pull-out tube 101.

[0029] In addition, the filter tube 116 is arranged below the extraction tube 104, the piston ring 115 is connected to the filter tube 116 and is located above the filter tube 116, and the piston ring 115 and the extraction tube 104 are movably cooperated, the filter net 117 is fixedly connected to the filter tube 116 and is located on the inner wall of the filter tube 116, the extraction tube 104 is inserted into the piston ring 115, and the filter net 117 is used to filter large particles of impurities in the water. In this way, large particles of impurities are prevented from entering the pulling tube 101, thereby ensuring the normal use of the pulling tube 101.

[0030] When using the sampling tool for chemical laboratories for water environment detection of the utility model, the rotating rod 112 is held to drive the threaded rod 110 below the rotating plate 111 to rotate. Due to the characteristics of the thread, the movable plate 108 is driven to move downward until the support column 107 is inserted into the annular groove 119. At this time, the movable plate 108 contacts the sealing ring 113, and the rubber plug 109 enters the extraction tube 104. The sealing ring 113 can further seal the movable plate 108 to reduce the overflow of liquid, and the limiting frame 114 can limit The moving distance of the rotating plate 111 is controlled to avoid excessive squeezing of the rubber plug 109, thereby extending the service life of the rubber plug 109, and the extraction tube 104 is inserted into the piston ring 115. The filter screen 117 is used to filter large particles of impurities in the water. In this way, large particles of impurities are prevented from entering the pull-out tube 101, thereby ensuring the normal use of the pull-out tube 101. In this way, the liquid in the pull-out tube 101 is prevented from leaking from the extraction tube 104 when the inspector moves, thereby effectively reducing the number of cleaning times by the inspector.

[0031] Second embodiment:

[0032] Based on the first embodiment, please refer to Figure 5 and Figure 6 ,in, Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 6 It is an overall front view of the second embodiment of the utility model.

[0033] The utility model provides a sampling tool for a chemical laboratory for water environment detection, which also includes an auxiliary component 201 . The auxiliary component 201 includes an ear plate 202 and a fixing strip 203 .

[0034] According to this specific embodiment, the auxiliary component 201 is arranged on the outer side wall of the pull-out tube 101. The auxiliary component 201 is added to facilitate the staff to support the pull-out tube 101 to avoid hand slippage.

[0035] Among them, the ear plate 202 is fixedly connected to the pull-out tube 101 and is located on the outer side wall of the pull-out tube 101, and the fixing strip 203 is fixedly connected to the ear plate 202 and is located on the outer side wall of the ear plate 202. The cooperation between the ear plate 202 and the fixing strip 203 makes it easy for the staff to support the pull-out tube 101 to avoid hand slippage, thereby effectively improving the convenience of the pull-out tube 101.

[0036] When using the chemical laboratory sampling tool for water environment testing of the utility model, the cooperation between the ear plate 202 and the fixing bar 203 facilitates the staff to support the pull-out tube 101 to avoid hand slippage, thereby effectively improving the convenience of the pull-out tube 101.

[0037] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A sampling tool for a chemical laboratory for water environment testing, comprising a pull-out tube, a pull-out rod, a tap and an extraction tube, wherein the pull-out rod is slidably connected to the pull-out tube and is located on the inner top wall of the pull-out tube, the tap is slidably connected to the pull-out tube and is located on the inner side wall of the pull-out tube, the tap is fixedly connected to the pull-out rod and is located below the pull-out rod, and the extraction tube is connected to the pull-out tube and is located below the extraction tube, characterized in that: Also included is a plugging assembly; The blocking assembly includes four supporting columns, a movable plate, a rubber plug, a threaded rod, a rotating plate, a rotating rod and a sealing ring. The pulling rod has a threaded hole, and the threaded rod is threadedly matched with the threaded hole. The rotating plate is fixedly connected to the threaded rod and is located above the threaded rod. The rotating rod is fixedly connected to the rotating plate and is located on the outer side wall of the rotating plate. The movable plate is fixedly connected to the threaded rod and is located below the threaded rod. The four supporting columns are fixedly connected to the movable plate and are respectively located below the movable plate. The pulling tube has an annular groove, and the annular groove is slidably matched with the four supporting columns. The rubber plug is fixedly connected to the movable plate and is located below the movable plate, and the rubber plug is matched with the pulling tube. The sealing ring is fixedly connected to the pulling tube and is located on the inner bottom wall of the pulling tube, and the sealing ring contacts the movable plate.

2. The chemical laboratory sampling tool for water environment detection according to claim 1, characterized in that: The blocking assembly also includes a limiting frame, which is fixedly connected to the pulling rod and is located above the pulling rod, and the limiting frame is in contact with the rotating plate.

3. The chemical laboratory sampling tool for water environment detection as claimed in claim 2, characterized in that: The chemical laboratory sampling tool for water environment detection also includes a filter component, and the filter component is arranged below the extraction tube.

4. The chemical laboratory sampling tool for water environment detection as claimed in claim 3, characterized in that: The filter assembly includes a piston ring, a filter tube and a filter net. The filter tube is arranged below the extraction tube. The piston ring is connected to the filter tube and is located above the filter tube. The piston ring is movably matched with the extraction tube. The filter net is fixedly connected to the filter tube and is located on the inner wall of the filter tube.

5. The chemical laboratory sampling tool for water environment detection as claimed in claim 4, characterized in that: The chemical laboratory sampling tool for water environment detection also includes an auxiliary component, which is arranged on the outer side wall of the pulling tube.

6. The chemical laboratory sampling tool for water environment detection as claimed in claim 5, characterized in that: The auxiliary component includes an ear plate and a fixing strip, wherein the ear plate is fixedly connected to the pull-out tube and is located on the outer side wall of the pull-out tube, and the fixing strip is fixedly connected to the ear plate and is located on the outer side wall of the ear plate.

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