Sampling device for environmental engineering

Abstract

The utility model relates to the technical field of water body sampling, and discloses a sampling device for environmental engineering, which comprises a plurality of support rods, a test tube and a grip, an extension mechanism is arranged between the plurality of support rods and the grip, the extension effect of the device is realized by connecting the plurality of support rods and a steel rope together, and a pull seat is arranged at the grip, so that the test tube can be pulled out. During use, the test tubes and the rubber plug are fixed on the supporting rod and the steel rope through the first retaining ring, the second retaining ring and the third retaining ring, and when the pulling seat is controlled to enable the rubber plug to move up and down, water in water areas with different depths can enter the multiple test tubes; therefore, the device has the function of adapting to water areas with different depths for operation, can position the sampling depths of a plurality of test tubes, realizes collection of multiple groups of data, and is high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to water body sampling technical field, concretely is a sampling device for environmental engineering. BACKGROUND

[0002] The sampling device for environmental engineering refers to the equipment for collecting environmental samples in the field of environmental engineering, which is mainly used for detecting and analyzing various components in the environment, including water quality, soil, air, etc., and the water quality sampling device usually includes a sampling cylinder, a storage box and a piston plate, which can be used for water sampling and improve the comprehensiveness of water quality detection.

[0003] A sampling device for environmental engineering is provided in Chinese patent with publication number CN213933234U, which includes a cantilever for mounting on a mobile frame and a water sample extraction mechanism at the end of the cantilever. The water sample extraction mechanism is composed of a longitudinal lifting adjustment mechanism, a synchronous driving mechanism, and multiple water sample extraction assemblies distributed vertically and side by side on the outer side of the longitudinal lifting adjustment mechanism. The multiple water sample extraction assemblies are arranged in a stepped manner with decreasing longitudinal height from the inside to the outside, and are connected to each other between adjacent two water sample extraction assemblies. The water body sampling assembly on the inside is connected to the driving end of the longitudinal lifting adjustment mechanism. The utility model has the advantages of simple structure, flexibility in use, high sampling efficiency, stable and smooth sampling, and convenience for water sample detection.

[0004] The above-mentioned device can sample water bodies of different depths, but the existing device is relatively bulky, and the height of the water sample extraction assembly is relatively fixed, which may not meet the ideal height of the operator. At the same time, the overall depth of the device is limited, and it is not suitable for deeper water areas. Therefore, a sampling device for environmental engineering is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a sampling device for environmental engineering to solve the problem that the height of the water sample extraction assembly is relatively fixed when the existing device samples water bodies, and it cannot adapt to deeper water areas for operation.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a sampling device for environmental engineering, a plurality of support rods, test tubes and grips are arranged, and extension mechanisms are arranged between the plurality of support rods and the grips; the extension mechanism comprises a first threaded seat, the first threaded seat is fixedly installed at both ends of the support rod respectively, a connecting seat is fixedly installed at the bottom of the grip, the connecting seat and the first threaded seat are fixedly connected through a connecting bolt, a pulling seat is slidingly installed through the connecting seat, a supporting spring is fixedly installed between the pulling seat and the connecting seat, a limiting ring is sleeved and installed at both ends of the plurality of support rods, a steel rope is slidingly installed through the limiting ring, second threaded seats are fixedly installed at both ends of the steel rope, the first threaded seats are fixedly connected through a first reverse threaded shaft, and the second threaded seats are fixedly connected through a second reverse threaded shaft.

[0007] Preferably, the first threaded seats on both sides of the support rod are oppositely threaded, the first reverse threaded shaft is adaptively matched with the first threaded seat, and four blocks are fixedly installed on the upper portion of the connecting bolt.

[0008] Preferably, the second threaded seats on both sides of the steel rope are oppositely threaded, the second reverse threaded shaft is adaptively matched with the second threaded seat, and external threads are formed in the lower portion of the pulling seat.

[0009] Preferably, a positioning mechanism is arranged between the support rod and the test tube, the positioning mechanism comprises a plurality of first buckling rings, the first buckling rings are sleeved and installed outside the support rod, a first fastening bolt is threadedly installed through one side of the first buckling ring, a second buckling ring is fixedly installed on the other side of the first buckling ring, a limiting seat is fixedly installed on the test tube and sleeved on one side of the second buckling ring, a fastening seat is fixedly installed on the upper portion of the limiting seat, a limiting bolt is threadedly installed through the fastening seat and located on the limiting seat, a rubber plug is slidingly installed in the fastening seat, a pressure relief pipe is fixedly installed through the rubber plug, a third buckling ring is fixedly installed on one side of the rubber plug and sleeved outside the steel rope, and a second fastening bolt is threadedly installed through one side of the third buckling ring.

[0010] Preferably, the second buckling ring and the third buckling ring are fixedly connected with the steel rope through a bolt set, the upper portion of the test tube is provided with an annular seat, and the annular seat is clamped between the limiting seat and the fastening seat.

[0011] Preferably, a groove is formed in one side of the fastening seat, the rubber plug and the groove are slidingly connected through a strip-shaped plate, and a filter screen set is fixedly installed at the front end of the pressure relief pipe.

[0012] Preferably, sealing end heads are arranged at one end of the support rod and the steel rope on the lowest side, wave-shaped plates are fixedly installed at the middle portions of the first reverse threaded shaft and the second reverse threaded shaft, and the outer diameter of the support rod is consistent with the outer diameter of the wave-shaped plate.

[0013] Compared with the prior art, the environment engineering sampling device has the beneficial effects that:

[0014] 1) The sampling device for environmental engineering, by controlling the connecting bolt, the handle is connected with the support rod, by controlling the first reverse threaded shaft, two or more support rods are connected together, by controlling the second reverse threaded shaft, two or more steel ropes are connected together, and then one or more steel ropes can be moved up and down along the outside of the support rod by the pull seat, the extension of the device is realized while the control effect of the top test tube is ensured, the device is adapted to water area operation of different depths, and the practicability of the device is greatly improved.

[0015] 2) The sampling device for environmental engineering, by the first and second buckles, the test tube is installed outside the support rod and the steel rope, and is fastened by the first fastening bolt, in use, the test tube is embedded in the limiting seat and the limiting bolt is adjusted to make the fastening seat clamp the test tube, and the rubber plug is fastened on the steel rope by the third buckle and the second fastening bolt, the rubber plug is embedded in the test tube, and the rubber plug can be moved up and down by controlling the pull seat, when the rubber plug moves upward and separates from the test tube, the water body enters the test tube due to pressure difference, when the rubber plug moves downward and is embedded in the test tube, the excess gas and water body in the test tube are discharged from the pressure relief pipe, and the sampling of the water body is realized, the device can position the sampling depth of multiple test tubes, and the water body sampling effect on the shore can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the environment engineering sampling device in the embodiment of the utility model;

[0017] Figure 2 It is a split structure schematic view of the support rod in the embodiment of the utility model;

[0018] Figure 3 It is an enlarged view of the A figure in the embodiment of the utility model; Figure 2

[0019] Figure 4 It is an enlarged view of the B figure in the embodiment of the utility model; Figure 2

[0020] Figure 5 It is an enlarged view of the C figure in the embodiment of the utility model. Figure 2

[0021] ​​​In the figure: 1, support rod; 2, test tube; 3, handle; 4, extension mechanism; 401, first threaded seat; 402, connecting seat; 403, connecting bolt; 404, pull seat; 405, supporting spring; 406, limiting ring; 407, steel rope; 408, second threaded seat; 409, first reverse threaded shaft; 410, second reverse threaded shaft; 5, positioning mechanism; 501, first clasp; 502, first fastening bolt; 503, second clasp; 504, limiting seat; 505, fastening seat; 506, limiting bolt; 507, rubber plug; 508, pressure relief pipe; 509, third clasp; 510, second fastening bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] In combination Figures 1-5 A sampling device for environmental engineering, comprising a plurality of support rods 1, test tubes 2 and handles 3, a plurality of support rods 1 and handles 3 are provided with extension mechanisms 4; the extension mechanism 4 comprises a first threaded seat 401, the first threaded seat 401 is fixedly installed at both ends of the support rod 1 respectively, the bottom of the handle 3 is fixedly installed with a connecting seat 402, the connecting seat 402 and the first threaded seat 401 are fixedly connected through a connecting bolt 403, a pull seat 404 is slidingly installed through the connecting seat 402, a supporting spring 405 is fixedly installed between the pull seat 404 and the connecting seat 402, a limiting ring 406 is installed at both ends of the plurality of support rods 1, a steel rope 407 is slidingly installed through the limiting ring 406, a second threaded seat 408 is fixedly installed at both ends of the steel rope 407, the two first threaded seats 401 are fixedly connected through a first reverse threaded shaft 409, and the two second threaded seats 408 are fixedly connected through a second reverse threaded shaft 410.

[0025] In combination Figure 3 and Figure 4 It is further obtained that the screw thread directions of the first threaded seats 401 on both sides of the support rod 1 are opposite, and the first reverse threaded shaft 409 is adaptively matched with the first threaded seat 401, the upper part of the connecting bolt 403 is fixedly installed with a square block, the screw thread directions of the second threaded seats 408 on both sides of the steel rope 407 are opposite, and the second reverse threaded shaft 410 is adaptively matched with the second threaded seat 408, and an external thread is formed in the lower part of the pull seat 404.

[0026] Specifically, the connecting seat 402 is fixedly connected with the first threaded seat 401 through the connecting bolt 403, and the pulling seat 404 is fixedly connected with the second threaded seat 408, so that the movement of the steel wire 407 can be controlled by pulling the pulling seat 404, and the first threaded seat 401 and the second threaded seat 408 on the two sides are connected together through the first reverse threaded shaft 409 and the second reverse threaded shaft 410, so that the two or more supporting rods 1 and the steel wire 407 are fixedly connected together, and the multiple steel wires 407 can move up and down along the inside of the limiting ring 406 by controlling the pulling seat 404.

[0027] Embodiment two

[0028] In combination Figure 1 , Figure 2 and Figure 5 , the positioning mechanism 5 is arranged between the supporting rod 1 and the test tube 2, the positioning mechanism 5 comprises a plurality of first buckling rings 501, the plurality of first buckling rings 501 are sleeved and installed on the outside of the supporting rod 1, the first fastening bolt 502 is installed through the side of the first buckling ring 501 in a threaded manner, the second buckling ring 503 is fixedly installed on the other side of the first buckling ring 501, the limiting seat 504 is fixedly installed on the side of the second buckling ring 503 and sleeved on the test tube 2, the fastening seat 505 is fixedly installed on the upper part of the limiting seat 504, the limiting bolt 506 is installed through the fastening seat 505 and located on the limiting seat 504 in a threaded manner, the rubber plug 507 is slidably installed in the inside of the fastening seat 505, the pressure relief pipe 508 is fixedly installed through the rubber plug 507, the third buckling ring 509 is fixedly installed on the side of the rubber plug 507 and sleeved on the outside of the steel wire 407, the second fastening bolt 510 is installed through the side of the third buckling ring 509 in a threaded manner

[0029] In combination Figure 5 , and on the basis of embodiment one, it is further obtained that the second buckling ring 503 and the third buckling ring 509 are fixedly connected with the steel wire 407 through the bolt set, the upper part of the test tube 2 is provided with an annular seat, the annular seat is clamped between the limiting seat 504 and the fastening seat 505, the side of the fastening seat 505 is provided with a groove, the rubber plug 507 is slidably connected with the groove through the strip-shaped plate, and the front end of the pressure relief pipe 508 is fixedly installed with the filter screen set.

[0030] Specifically, by controlling the first buckle ring 501, the second buckle ring 503 and the first fastening bolt 502 are installed and fixed outside the support rod 1 and the steel rope 407, and the test tube 2 is positioned outside the support rod 1 under the action of the limiting seat 504 and the fastening seat 505, and the rubber plug 507 is installed and fixed on the steel rope 407 by the third buckle ring 509 and the second fastening bolt 510, so that the rubber plug 507 moves up and down along the fastening seat 505 when the steel rope 407 moves, thereby sealing and opening the test tube 2, and the rubber plug 507 is fixedly installed with the pressure relief pipe 508, which can be used without pressure obstruction when water enters and exits the test tube 2, and the filter screen group at one end of the pressure relief pipe 508 avoids water from entering and exiting the test tube 2 by using the water tension.

[0031] Example three

[0032] Reference Figure 1 On the basis of example one and example two, further, the lowest side support rod 1 and one end of the steel rope 407 are provided with sealed end heads, and the middle part of the second reverse threaded shaft 410 of the first reverse threaded shaft 409 is fixedly installed with a corrugated plate, and the outer diameter of the support rod 1 is consistent with the outer diameter of the corrugated plate.

[0033] Specifically, by setting the sealed end heads at one end of the lowest side support rod 1 and the steel rope 407, impurities are prevented from entering the groove to cause pollution, and it is beneficial to distinguish and facilitate the installation of the support rod 1 and the steel rope 407, and at the same time, the middle part of the second reverse threaded shaft 410 of the first reverse threaded shaft 409 is fixedly installed with a corrugated plate, which facilitates the connection of the two support rods 1 and the two steel ropes 407, and ensures the flatness of the periphery of the device.

[0034] In actual operation, the connecting seat 402 is fixedly connected with the first threaded seat 401 by the connecting bolt 403, and the pull seat 404 is fixedly connected with the second threaded seat 408, so that the movement of the steel rope 407 can be controlled by pulling the pull seat 404, and at the same time, the first threaded seat 401 and the second threaded seat 408 on both sides are connected together by the first reverse threaded shaft 409 and the second reverse threaded shaft 410, thereby fixing the two or more support rods 1 and steel ropes 407 together, and the multiple steel ropes 407 can be moved up and down inside the limiting ring 406 by controlling the pull seat 404;

[0035] The first buckle ring 501, the second buckle ring 503 and the first fastening bolt 502 are mounted and fixed outside the support rod 1 and the steel rope 407, the test tube 2 is positioned outside the support rod 1 under the action of the limiting seat 504 and the fastening seat 505, the rubber plug 507 is mounted and fixed on the steel rope 407 through the third buckle ring 509 and the second fastening bolt 510, the rubber plug 507 moves up and down along the fastening seat 505 when the steel rope 407 moves, and the test tube 2 is sealed and opened, the pressure relief pipe 508 is fixedly installed on the rubber plug 507, water can enter and exit the test tube 2 without being hindered by pressure, and the filter screen group at one end of the pressure relief pipe 508 avoids water from entering and exiting the test tube 2 by using the tension of water;

[0036] The sealed end is arranged at one end of the lowest support rod 1 and the steel rope 407, impurities are prevented from entering the groove and causing pollution, the installation of the support rod 1 and the steel rope 407 is facilitated, the middle part of the second reverse threaded shaft 410 of the first reverse threaded shaft 409 is fixedly installed with the corrugated plate, the two support rods 1 and the two steel ropes 407 are connected together, and the flatness of the periphery of the device is ensured.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sampling device for environmental engineering, comprising a plurality of support rods (1), a test tube (2) and a handle (3), characterized in that: An extension mechanism (4) is provided between the plurality of support rods (1) and the handle (3); The extension mechanism (4) includes a first threaded seat (401), which is fixedly installed on both ends of the support rod (1) respectively. A connecting seat (402) is fixedly installed at the bottom of the handle (3). The connecting seat (402) and the first threaded seat (401) are fixedly connected by a connecting bolt (403). A pull-out seat (404) is slidably installed on the connecting seat (402). A support spring (405) is fixedly installed between the pull-out seat (404) and the connecting seat (402). A limiting ring (406) is sleeved and installed at both ends of the support rod (1). A steel rope (407) is slidably installed on the limiting ring (406). A second threaded seat (408) is fixedly installed at both ends of the steel rope (407). The two first threaded seats (401) are fixedly connected by a first reverse threaded shaft (409), and the two second threaded seats (408) are fixedly connected by a second reverse threaded shaft (410).

2. The environmental engineering sampling device according to claim 1, characterized in that: The internal threads of the first threaded seats (401) on both sides of the support rod (1) are in opposite directions, and the first reverse threaded shaft (409) is adaptively matched with the first threaded seat (401), and a square block is fixedly installed on the upper part of the connecting bolt (403).

3. The environmental engineering sampling device according to claim 1, characterized in that: The internal threads of the second threaded seats (408) on both sides of the steel rope (407) are in opposite directions, and the second reverse threaded shaft (410) is adaptively matched with the second threaded seat (408), and the lower part of the pull-out seat (404) is provided with external threads.

4. The sampling device for environmental engineering according to claim 1, characterized in that: A positioning mechanism (5) is provided between the support rod (1) and the test tube (2), and the positioning mechanism (5) comprises a plurality of first buckles (501), each of which is sleeved and mounted on the outside of the support rod (1), a first fastening bolt (502) is threadedly mounted through one side of the first buckle (501), a second buckle (503) is fixedly mounted on the other side of the first buckle (501), and a limiting seat (504) is fixedly mounted on one side of the second buckle (503) and sleeved on the test tube (2), and the limiting seat (504) is fixedly mounted on the other side of the first buckle (501). 4) is fixedly installed with a fastening seat (505) on the upper part, a limiting bolt (506) is threadedly installed through the fastening seat (505) and located on the limiting seat (504), and a rubber plug (507) is slidably installed inside the fastening seat (505), a pressure relief tube (508) is fixedly installed through the rubber plug (507), a third buckle (509) is fixedly installed on one side of the rubber plug (507) and is sleeved on the outside of the steel rope (407), and a second fastening bolt (510) is threadedly installed through one side of the third buckle (509).

5. The environmental engineering sampling device according to claim 4, characterized in that: The second buckle ring (503) and the third buckle ring (509) are fixedly connected to the steel rope (407) through a bolt group. An annular seat is provided on the upper part of the test tube (2), and the annular seat is clamped between the limiting seat (504) and the fastening seat (505).

6. The sampling device for environmental engineering according to claim 5, characterized in that: A groove is provided on one side of the fastening seat (505), and the rubber plug (507) is slidably connected to the groove via a strip plate. A filter group is fixedly installed at the front end of the pressure relief tube (508).

7. The sampling device for environmental engineering according to claim 5, characterized in that: The support rod (1) and one end of the steel rope (407) on the lowest side are both provided with sealed end caps, and the middle of the second reverse threaded shaft (410) of the first reverse threaded shaft (409) is fixedly mounted with a corrugated plate, and the outer diameter of the support rod (1) is consistent with the outer diameter of the corrugated plate.

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