Underground water sampling device with protective structure

Abstract

The invention provides an underground water sampling device with a protective structure, and relates to the technical field of underground water sampling, the underground water sampling device comprises a sampling bottle, the bottom of the sampling bottle is sleeved with a protective sleeve; a mounting cover is arranged at the top end of the sampling bottle; a sealing plug is arranged at the position, close to the top end, in the sampling bottle, two hooks are adjusted in the opposite directions to relieve hooking of a limiting clamping block, the sealing plug is driven to slide downwards along a limiting frame through the rebound pulling effect of a first extension spring, and underground water can enter the sampling bottle through a gap between a water inlet and the limiting frame; opening can be controlled according to the underground water collection position, accurate collection of different liquid layers is achieved, the accuracy of sample detection is guaranteed, and the problems that in the process of sampling different water levels, a sampling bottle needs to be controlled to be adjusted to be opened and closed, operation is troublesome, and time and labor are wasted are solved. And unsteady opening and closing control is easy to cause mixing of groundwater at different depths, so that the accuracy of groundwater analysis and detection is influenced.

Description

Technical Field

[0001] The invention relates to the technical field of groundwater sampling, and in particular to a groundwater sampling device with a protective structure. Background Art

[0002] Groundwater sampling is an important technical means of hydrogeological research. By analyzing the groundwater composition in a specific area, rich hydrogeological information can be obtained. Groundwater sampling involves multiple links, from the selection of sampling technology, the use of sampling equipment, to the standardized operation of the sampling process, as well as sample processing and preservation, all of which require the support of professional knowledge and skills. Correct sampling methods and preservation measures are crucial to ensuring the quality of samples and the accuracy of subsequent analysis.

[0003] When using existing groundwater sampling devices, improper operation may cause the bottom of the sampling bottle to collide with the side wall of the borehole, reducing the service life of the sampling bottle and affecting its collection stability. In addition, during the sampling process of different water levels, it is necessary to control the opening and closing of the sampling bottle, which is troublesome to operate, and unstable control of opening and closing can easily lead to mixing of groundwater at different depths, affecting the accuracy of groundwater analysis and detection. Summary of the invention

[0004] The disclosed embodiment relates to a groundwater sampling device with a protective structure, wherein the top of a control frame can be slidably inserted into a wedge-shaped groove on the top of an adjusting seat, so that the two control frames can be deflected with the pin shaft as the axis, so that the two hooks are adjusted in relative directions to release the hooking of the limit block, and the rebound pulling effect of the first tension spring is used to drive the closing plug to slide downward along the limit frame. Groundwater can enter the sampling bottle through the gap between the water inlet and the limit frame, and can be controlled to open according to the groundwater collection position, thereby realizing accurate collection of different liquid layers and ensuring the accuracy of sample detection.

[0005] In a first aspect of the present disclosure, a groundwater sampling device with a protective structure is provided, specifically comprising: a sampling bottle, wherein a protective cover is mounted on the bottom of the sampling bottle; a mounting cover is disposed on the top of the sampling bottle; a sealing plug is disposed near the top of the sampling bottle; an adjustment seat is disposed inside the mounting cover; a mounting plate is disposed on the adjustment seat; two control frames are disposed on the mounting plate, and the two control frames are distributed in a left-right symmetrical manner; A mounting top seat is provided above the sampling bottle, and a mounting cover is fixedly installed on the mounting top seat, four limiting frames are provided at the top of the sampling bottle, and the four limiting frames are distributed in a circular array, and a sealing plug is arranged between the four limiting frames, a connecting ring is provided between the tops of the four limiting frames, and the connecting ring is connected to the mounting top seat, and a supporting ring frame is provided near the port in the sampling bottle.

[0006] In at least some embodiments, two first connecting frames are provided at the bottom of the mounting top seat, and the two first connecting frames are distributed in a vertically parallel manner. A limiting groove is provided at the bottom of the first connecting frame, and a water inlet is provided at the middle position of the mounting top seat, and the water inlet corresponds to the position of the limiting frame and the closing plug.

[0007] In at least some embodiments, two second connecting frames are provided on the top of the protective cover, and the two second connecting frames are distributed in a vertical and parallel manner, a fixing ring is provided between the tops of the two second connecting frames, and the fixing ring is slidably mounted on the sampling bottle, two limiting bolts are provided on the top of the fixing ring, and the limiting bolts are slidably connected to the first connecting frame through a limiting groove, and a counterweight base is provided at the bottom of the protective cover, and the counterweight base is located below the sampling bottle.

[0008] In at least some embodiments, a support plate is provided above the counterweight base, and the support plate is in contact with the bottom of the sampling bottle, two limit rods are provided at the bottom of the support plate, and the two limit rods are symmetrically distributed, a first compression spring is mounted on the limit rod, the limit rod is slidably inserted into the counterweight base, and the first compression spring is supported between the counterweight base and the support plate.

[0009] In at least some embodiments, two mounting grooves are provided in the mounting cover, and the two mounting grooves are distributed in a symmetrical manner, and a limiting sleeve is provided at the center position of the top end of the mounting cover.

[0010] In at least some embodiments, the outer circumferential surface of the closing plug is provided with four limiting slide grooves, and the closing plug is slidably connected to the limiting frame through the limiting slide grooves, a limiting slide rod is provided at the center position of the bottom of the closing plug, a first tension spring is mounted on the limiting slide rod, the limiting slide rod slides through the supporting ring frame, and the two ends of the first tension spring are respectively connected to the supporting ring frame and the closing plug, a limiting round rod is provided at the center position of the top of the closing plug, and the limiting round rod slides through the mounting top seat, and a limiting block is provided at the top of the limiting round rod.

[0011] In at least some embodiments, the adjustment seat is provided with limit sliders on the left and right sides, and the adjustment seat is slidably connected to the mounting groove of the mounting cover through the limit slider, a support sleeve is provided in the middle position of the top of the adjustment seat, a connecting sleeve is provided at the top of the support sleeve, and the connecting sleeve slides through the limit sleeve, the adjustment seat is a rectangular frame structure, and guide slide grooves are provided on the left and right side walls of the adjustment seat, two connecting slide rods are provided at the bottom of the adjustment seat, and the two connecting slide rods are distributed in a symmetrical manner, and the connecting slide rods slide through the mounting top seat and the closing plug at the same time, and a circular stopper is provided at the bottom of the connecting slide rod, and the circular stopper is located below the closing plug.

[0012] In at least some embodiments, a connecting block is provided in the middle position at the top of the mounting plate, a connecting rope is provided on the top of the connecting block, a second compression spring is mounted on the connecting rope near the bottom end, the connecting block corresponds to the position of the supporting sleeve, the connecting rope is slidably inserted into the connecting sleeve, and the second compression spring is supported between the connecting block and the supporting sleeve.

[0013] In at least some embodiments, pins are provided on the two control frames, a hook is provided at the bottom end of the control frame, connecting columns are provided on the inner sides of the two control frames, and a second tension spring is provided between the ends of the two connecting columns.

[0014] In at least some embodiments, the control frame is rotatably connected to the mounting plate via a pin, and the control frame is slidably connected to the adjustment seat via a guide slot, and a hook of the control frame is hooked to a limit block.

[0015] The present invention provides a groundwater sampling device with a protective structure, which has the following beneficial effects: The bottom of the sampling bottle in the present invention is provided with a protective cover, which can prevent the bottom of the sampling bottle from colliding with the side wall of the borehole during the sampling process of the sampling bottle falling along the borehole. At the same time, the support plate and the limiting plug rod cooperate with each other, and the elastic effect of the first compression spring is utilized to buffer the sampling bottle in the event of a collision, thereby ensuring the stability of the sampling bottle and improving its service life.

[0016] In addition, when the sampling bottle reaches the known position of the groundwater, the mounting plate can drive the two control frames to slide upward along the guide slide groove by manually pulling the connecting rope, wherein the top of the control frame can be slidably inserted into the wedge-shaped groove on the top of the adjusting seat, so that the two control frames can be deflected with the pin shaft as the axis, so that the two hooks are adjusted in relative directions to release the hooking of the limit block, and the rebound pulling effect of the first tension spring is used to drive the closing plug to slide downward along the limit frame, and the groundwater can enter the sampling bottle through the gap between the water inlet and the limit frame, and can be controlled to open according to the groundwater collection position, thereby realizing accurate collection of different liquid layers and ensuring the accuracy of sample detection.

[0017] In addition, after the sampling bottle completes groundwater sampling, the connecting sleeve is manually pulled upwards and the gravity of the sampling bottle itself is used to make the adjustment seat slide upward along the installation groove. The connecting slide rod and the circular stopper cooperate to drive the closing plug to adjust upward, so that the hook can be hung on the limit block, thereby realizing the automatic sealing process of the water inlet by the closing plug. It has a simple structure and is easy to use and operate, which effectively improves the sampling efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached picture: Figure 1 A schematic diagram showing the overall structure of the present application; Figure 2 A schematic diagram showing the disassembly state of the sampling bottle and the protective cover of the present application; Figure 3 A schematic diagram showing the disassembly state of the sampling bottle of the present application is shown; Figure 4 A schematic diagram showing the disassembled state of the protective cover of the present application is shown; Figure 5 A schematic diagram showing a cross-sectional view of a sampling bottle and a mounting cover of the present application is shown; Figure 6 A schematic diagram showing the closing plug, the adjusting seat, the mounting plate and the control frame of the present application is shown; Figure 7 This application shows Figure 6 Schematic diagram of the resulting split state; Figure 8 A schematic diagram showing the disassembled state of the mounting plate and the control frame of the present application is shown.

[0021] List of reference numerals: 1. Sampling bottle; 101. Mounting top seat; 1011. First connecting frame; 1012. Position limiting slot; 1013. Water inlet; 102. Position limiting frame; 103. Connecting ring; 104. Support ring frame; 2. Protective cover; 201. Second connecting frame; 202. Fixing ring; 203. Limiting bolt; 204. Counterweight base; 2041. Support plate; 2042. Limiting rod; 2043. First compression spring; 3. Installation cover; 301. Installation slot; 302. Limit sleeve; 4. Closing plug; 401. Limiting slide groove; 402. Limiting slide rod; 403. First tension spring; 404. Limiting round rod; 405. Limiting block; 5. Adjustment seat; 501. Limiting slider; 502. Support sleeve; 503. Connecting sleeve; 504. Guide slide; 505. Connecting slide rod; 506. Round stopper; 6. Mounting plate; 601. Connecting block; 602. Connecting rope; 603. Second compression spring; 7. Control frame; 701. Pin shaft; 702. Hook; 703. Connecting column; 704. Second tension spring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1: Please refer to Figures 1 to 8 : The present invention proposes a groundwater sampling device with a protective structure, comprising: a sampling bottle 1, a protective cover 2 is sleeved on the bottom of the sampling bottle 1; a mounting cover 3 is provided at the top of the sampling bottle 1; a sealing plug 4 is provided at the top of the sampling bottle 1; an adjustment seat 5 is provided in the mounting cover 3; a mounting plate 6 is provided on the adjustment seat 5; two control frames 7 are provided on the mounting plate 6, and the two control frames 7 are distributed in a left-right symmetrical manner; A mounting top seat 101 is provided above the sampling bottle 1, and the mounting cover 3 is fixedly installed on the mounting top seat 101, four limiting frames 102 are provided at the top of the sampling bottle 1, and the four limiting frames 102 are distributed in a circular array, and the closing plug 4 is arranged between the four limiting frames 102, and a connecting ring 103 is provided between the tops of the four limiting frames 102, and the connecting ring 103 is connected to the mounting top seat 101, and a supporting ring frame 104 is provided near the port inside the sampling bottle 1.

[0024] In the present disclosure, Figure 2 and Figure 4 As shown, two first connecting frames 1011 are provided at the bottom of the mounting base 101, and the two first connecting frames 1011 are distributed in a vertical and parallel manner, and a limiting through groove 1012 is provided near the bottom end of the first connecting frame 1011; Two second connecting frames 201 are provided on the top of the protective cover 2, and the two second connecting frames 201 are distributed in a vertical parallel manner. A fixing ring 202 is provided between the tops of the two second connecting frames 201, and the fixing ring 202 is slidably sleeved on the sampling bottle 1. Two limiting bolts 203 are provided on the top of the fixing ring 202, and the limiting bolts 203 are slidably connected to the first connecting frame 1011 through the limiting through groove 1012. A counterweight base 204 is provided at the bottom of the protective cover 2, and the counterweight base 204 is located below the sampling bottle 1; A support plate 2041 is provided above the counterweight base 204, and the support plate 2041 is in contact with the bottom of the sampling bottle 1. Two limit rods 2042 are provided at the bottom of the support plate 2041, and the two limit rods 2042 are symmetrically distributed. The limit rod 2042 is provided with a first compression spring 2043. The limit rod 2042 is slidably inserted into the counterweight base 204, and the first compression spring 2043 is supported between the counterweight base 204 and the support plate 2041. The bottom of the sampling bottle 1 of the present invention is provided with a protective cover 2, which can prevent the bottom of the sampling bottle 1 from colliding with the side wall of the borehole during the sampling process of the sampling bottle 1 falling along the borehole. At the same time, the support plate 2041 and the limit rod 2042 cooperate with each other, and the elastic effect of the first compression spring 2043 is utilized to buffer the sampling bottle 1 in the event of a collision.

[0025] In the present disclosure, Figures 5 to 8 As shown, a water inlet 1013 is provided at the middle of the mounting top seat 101, and the water inlet 1013 corresponds to the position of the limiting frame 102 and the closing plug 4; Two mounting grooves 301 are provided in the mounting cover 3, and the two mounting grooves 301 are symmetrically distributed, and a limiting sleeve 302 is provided at the center position of the top of the mounting cover 3; Four limiting slide grooves 401 are provided on the outer circumference of the closing plug 4, and the closing plug 4 is slidably connected to the limiting frame 102 through the limiting slide grooves 401. A limiting slide rod 402 is provided at the center of the bottom of the closing plug 4, and a first tension spring 403 is sleeved on the limiting slide rod 402. The limiting slide rod 402 slides through the supporting ring frame 104, and the two ends of the first tension spring 403 are respectively connected to the supporting ring frame 104 and the closing plug 4. A limiting round rod 404 is provided at the center of the top of the closing plug 4, and the limiting round rod 404 slides through the mounting top seat 101, and a limiting block 405 is provided at the top of the limiting round rod 404. Limiting sliders 501 are provided on the left and right sides of the adjusting seat 5, and the adjusting seat 5 is slidably connected with the mounting groove 301 of the mounting cover 3 through the limiting sliders 501. A supporting sleeve 502 is provided in the middle position of the top of the adjusting seat 5, and a connecting sleeve 503 is provided at the top of the supporting sleeve 502, and the connecting sleeve 503 slides through the limiting sleeve 302. The adjusting seat 5 is a rectangular frame structure, and the left and right side walls of the adjusting seat 5 are provided with guide slide grooves 504. Two connecting slide bars 505 are provided at the bottom of the adjusting seat 5, and the two connecting slide bars 505 are distributed in a symmetrical manner, and the connecting slide bars 505 slide through the mounting top seat 101 and the closing plug 4 at the same time, and a circular stopper 506 is provided at the bottom of the connecting slide bar 505, and the circular stopper 506 is located below the closing plug 4; A connecting block 601 is provided at the middle position of the top of the mounting plate 6, a connecting rope 602 is provided at the top of the connecting block 601, a second compression spring 603 is sleeved on the bottom of the connecting rope 602, the connecting block 601 corresponds to the support sleeve 502, the connecting rope 602 is slidably inserted into the connecting sleeve 503, and the second compression spring 603 is supported between the connecting block 601 and the support sleeve 502; A pin 701 is provided on each of the two control frames 7, a hook 702 is provided at the bottom of the control frame 7, a connecting column 703 is provided on the inner sides of the two control frames 7, and a second tension spring 704 is provided between the ends of the two connecting columns 703; The control frame 7 is rotatably connected to the mounting plate 6 through the pin shaft 701, and the control frame 7 is slidably connected to the adjustment seat 5 through the guide slide groove 504, and the hook 702 of the control frame 7 is hooked with the limit block 405. When the sampling bottle 1 reaches the known position of the groundwater, by manually pulling the connecting rope 602, the mounting plate 6 can drive the two control frames 7 to slide upward along the guide slide groove 504, wherein the top of the control frame 7 can be slidably inserted into the wedge-shaped groove at the top of the adjustment seat 5, so that the two control frames 7 can be deflected with the pin shaft 701 as the axis, so that the two hooks 702 are adjusted in relative directions to release the hooking of the limit block 405, and the rebound pulling effect of the first tension spring 403 is used to drive the closing plug 4 to slide downward along the limit frame 102, and the groundwater can enter the sampling bottle 1 through the gap between the water inlet 1013 and the limit frame 102.

[0026] Embodiment 2, based on embodiment 1, as Figures 5 to 8 As shown, after the sampling bottle 1 completes groundwater sampling, the connecting sleeve 503 is manually pulled upwards and the gravity of the sampling bottle 1 is utilized to make the adjustment seat 5 slide upwards along the mounting groove 301. The connecting slide rod 505 and the circular stopper 506 cooperate to drive the closing plug 4 to adjust upwards, so that the hook 702 can be hung on the limit block 405, thereby realizing the automatic blocking process of the closing plug 4 on the water inlet 1013.

[0027] The working principle of this embodiment is as follows: when in use, during the sampling process of the sampling bottle 1 falling down the borehole, the bottom of the sampling bottle 1 is prevented from colliding with the side wall of the borehole, and at the same time, the support plate 2041 and the limiting plug rod 2042 cooperate with each other, and the elastic effect of the first compression spring 2043 is utilized to buffer the sampling bottle 1 in the event of a collision; when the sampling bottle 1 reaches the known position of the groundwater, the connecting rope 602 is manually pulled, so that the mounting plate 6 can drive the two control frames 7 to slide upward along the guide groove 504, wherein the top end of the control frame 7 can be slidably inserted into the wedge-shaped groove at the top of the adjusting seat 5, so that the two control frames 7 can be deflected with the pin shaft 701 as the axis, so that the two hooks 702 move in opposite directions. The limit block 405 is released from the adjustment, and the rebound pulling effect of the first tension spring 403 is used to drive the closing plug 4 to slide downward along the limit frame 102, so that groundwater can enter the sampling bottle 1 through the gap between the water inlet 1013 and the limit frame 102; when the sampling bottle 1 completes groundwater sampling, the connecting sleeve 503 is manually pulled upward, and the gravity of the sampling bottle 1 itself is used to make the adjustment seat 5 slide upward along the installation groove 301, and the connecting slide rod 505 and the circular stopper 506 cooperate to drive the closing plug 4 to adjust upward, so that the hook 702 can be hung on the limit block 405, thereby realizing the automatic blocking process of the water inlet 1013 by the closing plug 4.

[0028] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A groundwater sampling device with a protective structure, characterized in that: The invention comprises: a sampling bottle, wherein a protective cover is provided at the bottom of the sampling bottle; a mounting cover is provided at the top of the sampling bottle; a sealing plug is provided at the top of the sampling bottle; an adjustment seat is provided in the mounting cover; a mounting plate is provided on the adjustment seat; two control frames are provided on the mounting plate, and the two control frames are distributed in a left-right symmetrical manner; A mounting top seat is provided above the sampling bottle, and a mounting cover is fixedly installed on the mounting top seat, four limiting frames are provided at the top of the sampling bottle, and the four limiting frames are distributed in a circular array, and a sealing plug is arranged between the four limiting frames, a connecting ring is provided between the tops of the four limiting frames, and the connecting ring is connected to the mounting top seat, and a supporting ring frame is provided near the port in the sampling bottle.

2. The groundwater sampling device with a protective structure according to claim 1, characterized in that: Two first connecting frames are arranged at the bottom of the mounting top seat, and the two first connecting frames are distributed in a vertical and parallel manner. A limiting groove is arranged near the bottom of the first connecting frame, and a water inlet is arranged at the middle section of the mounting top seat, and the water inlet corresponds to the position of the limiting frame and the closing plug.

3. The groundwater sampling device with a protective structure according to claim 1, characterized in that: Two second connecting frames are provided on the top of the protective cover, and the two second connecting frames are distributed in a vertical and parallel manner. A fixing ring is provided between the tops of the two second connecting frames, and the fixing ring is slidably mounted on the sampling bottle. Two limiting bolts are provided on the top of the fixing ring, and the limiting bolts are slidably connected to the first connecting frame through limiting grooves. A counterweight base is provided at the bottom of the protective cover, and the counterweight base is located below the sampling bottle.

4. The groundwater sampling device with a protective structure according to claim 3, characterized in that: A support plate is provided above the counterweight base, and the support plate is in contact with the bottom of the sampling bottle. Two limit rods are provided at the bottom of the support plate, and the two limit rods are symmetrically distributed. A first compression spring is mounted on the limit rod. The limit rod is slidably inserted into the counterweight base, and the first compression spring is supported between the counterweight base and the support plate.

5. The groundwater sampling device with a protective structure according to claim 1, characterized in that: Two mounting grooves are arranged in the mounting cover, and the two mounting grooves are distributed in a symmetrical manner. A limiting sleeve is arranged at the center position of the top end of the mounting cover.

6. The groundwater sampling device with a protective structure according to claim 1, characterized in that: The outer circumferential surface of the closing plug is provided with four limiting slide grooves, and the closing plug is slidably connected to the limiting frame through the limiting slide grooves. A limiting slide rod is provided at the center position of the bottom of the closing plug, and a first tension spring is mounted on the limiting slide rod. The limiting slide rod slides through the supporting ring frame, and the two ends of the first tension spring are respectively connected to the supporting ring frame and the closing plug. A limiting round rod is provided at the center position of the top of the closing plug, and the limiting round rod slides through the mounting top seat, and a limiting block is provided at the top of the limiting round rod.

7. The groundwater sampling device with a protective structure according to claim 1, characterized in that: The left and right sides of the adjustment seat are provided with limit sliders, and the adjustment seat is slidably connected to the mounting groove of the mounting cover through the limit sliders. A support sleeve is provided in the middle position of the top of the adjustment seat, and a connecting sleeve is provided at the top of the support sleeve, and the connecting sleeve slides through the limit sleeve. The adjustment seat is a rectangular frame structure, and guide slide grooves are provided on the left and right side walls of the adjustment seat. Two connecting slide rods are provided at the bottom of the adjustment seat, and the two connecting slide rods are distributed in a symmetrical manner, and the connecting slide rods slide through the mounting top seat and the closing plug at the same time. A circular stopper is provided at the bottom of the connecting slide rod, and the circular stopper is located below the closing plug.

8. The groundwater sampling device with a protective structure according to claim 1, characterized in that: A connecting block is provided in the middle position of the top of the mounting plate, a connecting rope is provided on the top of the connecting block, a second compression spring is sleeved on the connecting rope near the bottom end, the connecting block corresponds to the position of the supporting sleeve, the connecting rope is slidably inserted into the connecting sleeve, and the second compression spring is supported between the connecting block and the supporting sleeve.

9. The groundwater sampling device with a protective structure according to claim 1, characterized in that: The two control frames are both provided with pin shafts, the bottom ends of the control frames are provided with hooks, the two control frames are provided with connecting columns on the inner sides thereof, and a second tension spring is provided between the ends of the two connecting columns.

10. The groundwater sampling device with a protective structure according to claim 9, characterized in that , The control frame is rotatably connected with the mounting plate through a pin shaft, and the control frame is slidably connected with the adjustment seat through a guide slide groove, and a hook of the control frame is hooked with a limit block.

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