Observation well protection cylinder

Abstract

The utility model discloses an observation well protection cylinder which comprises a cylinder body arranged outside a well mouth in a covering mode, the bottom end of the cylinder body is fixedly connected to the ground, the outer side of the top of the cylinder body is rotationally connected with a main cover plate, and the movable end of the main cover plate is fixedly connected with a locking mechanism used for being detachably connected with the cylinder body. An inner cover plate is coaxially arranged at the position, close to the top of the barrel, in the barrel, an inverted-L-shaped plate is fixedly connected to the inner wall of the barrel, a gravity self-locking assembly rotating on the vertical plane is rotationally connected to the bottom of the inner cover plate, a clamping groove is formed in the right end of the gravity self-locking assembly, and the gravity center of the gravity self-locking assembly is located at the left end. An unlocking hole is formed in the middle of the inner cover plate in the axial direction in a penetrating mode, and an unlocking handle extends into the barrel through the unlocking hole and abuts against the bottom of the left end of the gravity self-locking assembly. The utility model belongs to the technical field of observation wells.

Description

Technical Field

[0001] The utility model belongs to the technical field of observation wells, and in particular relates to a protective tube for an observation well. Background Art

[0002] Groundwater observation wells are wells used to observe groundwater levels or to measure groundwater extraction volume, water quality, water temperature, etc. An observation well protection tube is generally required to protect the observation well. The upper cover of existing observation well protection tubes on the market is a single-layer structure, and the external fastening device of the tube is mostly bolted or fixed with an ordinary padlock. The upper cover is easily opened and damaged by outsiders, resulting in the loss or damage of the observation equipment in the protection tube, causing losses and a substantial increase in maintenance costs. To this end, we propose an observation well protection tube to solve the above technical problems. Utility Model Content

[0003] The utility model provides an observation well protection tube to solve the technical problems raised in the above background technology.

[0004] In order to achieve the above purpose, the technical solutions adopted by the present utility model are as follows:

[0005] An observation well protection cylinder, the key point is that it includes a cylinder body covered on the outside of the wellhead, the bottom end of the cylinder body is fixedly connected to the ground, and the outer side of the top of the cylinder body is rotatably connected to a main cover plate, the movable end of the main cover plate is fixedly connected to a locking mechanism for detachable connection with the cylinder body, an inner cover plate is coaxially arranged in the cylinder body and near the top of the cylinder body, a plurality of inverted L-shaped plates distributed along the circumference thereof and used to support the inner cover plate are fixedly connected to the inner wall of the cylinder body, the bottom of the inner cover plate is rotatably connected to a gravity self-locking component that rotates on a vertical plane, and the gravity self-locking component A card slot is provided at the right end, and the center of gravity of the gravity self-locking assembly is at the left end. By horizontally rotating the inner cover plate, the card slot of the gravity self-locking assembly can be driven to engage with the vertical plate of one of the inverted L-shaped plates to fix the inner cover plate to the cylinder body. The middle part of the inner cover plate is penetrated by an unlocking hole for the unlocking handle to be inserted along its axial direction. The unlocking handle is extended into the interior of the cylinder body through the through hole and abuts against the bottom of the left end of the gravity self-locking assembly. By moving the unlocking handle upward, the left end of the gravity self-locking assembly can be driven to rotate upward, so that the card slot of the gravity self-locking assembly is disengaged from the vertical plate of the inverted L-shaped plate, thereby unlocking the inner cover plate.

[0006] Furthermore, the gravity self-locking assembly includes a rotating plate that is rotatably connected between the two ear plates through a rotating shaft, the ear plate is fixedly connected to the bottom end of the inner cover plate, the rotating plate at the left end of the rotating shaft is integrally formed with a counterweight block, and a slot is provided on the rotating plate at the right end of the rotating shaft. The right end of the rotating plate is tilted upward under the gravity of the counterweight block, and an inclined surface is formed on the right end of the rotating plate. The left and right sides of the inner cover plate are respectively fixedly connected with rotating handles for conveniently controlling the horizontal rotation of the inner cover plate.

[0007] Furthermore, the unlocking handle includes an L-shaped toggle rod fixedly connected to the bottom end of the handle body. The L-shaped toggle rod extends into the interior of the cylinder through a through hole and abuts against the bottom of the counterweight block. By moving the handle body upward, the counterweight block can be driven to rotate upward, so that the slot on the rotating plate is disengaged from the vertical plate of the inverted L-shaped plate, thereby unlocking the inner cover plate.

[0008] Furthermore, the number of the inverted L-shaped plates is three, and the bottom end of the inner cover plate is fixedly connected to three connecting L plates, each of the connecting L plates is distributed at intervals along the circumference of the inner cover plate, and the top ends of the two ear plates are fixedly connected to one of the connecting L plates.

[0009] Furthermore, hooks are fixedly connected to the left and right sides of the inner wall of the cylinder respectively.

[0010] Furthermore, a sealing ring is fixedly connected to the top of the cylinder for sealing the connection between the top of the cylinder and the main cover.

[0011] Furthermore, the locking mechanism includes a connecting ear fixedly connected to the movable end of the main cover, a connecting block fixedly connected to the outer right side of the cylinder, and a cavity is opened vertically upward at the bottom end of the connecting block. When the main cover is placed on the top of the cylinder, a fixing bolt moves through the connecting ear and the connecting block in sequence and is threadedly connected to a square nut. By tightening the square nut, the main cover and the cylinder are fixed.

[0012] The utility model adopts the above structure, and the technical progress achieved by the utility model compared with the prior art is that the utility model drives the card slot of the gravity self-locking component to engage with the vertical plate of the inverted L-shaped plate on the inner wall of the cylinder by rotating the inner cover plate clockwise, thereby realizing the self-locking of the inner cover plate. The inner cover plate fixing method is easy to operate, and the gravity self-locking component is arranged below the inner cover plate. The specific position and method of the locking point cannot be seen from the outside, and the inner cover plate cannot be opened, thereby preventing the inner cover plate from being opened, and avoiding the loss or damage of the observation equipment. The observation equipment is the prior art and generally has It is used to measure the water temperature, water level depth (liquid surface position), etc. of the observation well, and also to measure the groundwater quality. The observation equipment (main body, power supply, signal transmission, etc.) is placed in the protective tube well, and the sensor is extended downward into the water through a cable; when it is necessary to open the inner cover, the unlocking handle is extended into the interior of the cylinder through the unlocking hole and abutted against the bottom left end of the gravity self-locking component. By moving the unlocking handle upward, the left end of the gravity self-locking component can be driven to rotate upward, so that the card slot of the gravity self-locking component is disengaged from the vertical plate of the inverted L-shaped plate, thereby unlocking the inner cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached figure:

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the inner cover plate inside the cylinder body connected to the cylinder body of the utility model;

[0017] Figure 3 This is a structural diagram of the inner cover plate and the gravity self-locking assembly of the present invention;

[0018] Figure 4 This is a top view of the connection between the main cover plate and the cylinder body of the utility model;

[0019] Figure 5 This is a schematic diagram of the unlocking handle of the present invention.

[0020] Marked parts: 1. Cylinder; 2. Main cover; 3. Inner cover; 4. Inverted L-shaped plate; 5. Slot; 6. Unlocking hole; 7. Vertical plate; 8. Rotating shaft; 9. Ear plate; 10. Rotating plate; 11. Counterweight; 12. Inclined surface; 13. Rotating handle; 14. Handle body; 15. L-shaped toggle lever; 16. Connecting L-plate; 17. Hook; 18. Sealing ring; 19. Connecting ear; 20. Connecting block; 21. Fixing bolt. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0022] The utility model discloses an observation well protection tube, such as Figure 1-5 As shown, it includes a cylinder 1 covered on the outside of the wellhead, and the bottom end of the cylinder 1 is fixedly connected to the ground. Specifically, the cylinder 1 is cast on the ground by concrete, and the outer side of the top of the cylinder 1 is rotatably connected to the main cover plate 2, and the movable end of the main cover plate 2 is fixedly connected to a locking mechanism. The locking mechanism is used to make the main cover plate 2 and the cylinder 1 detachable. An inner cover plate 3 is coaxially arranged inside the cylinder 1 and near the top of the cylinder 1. A plurality of inverted L-shaped plates 4 distributed along its circumference are fixedly connected to the inner wall of the cylinder 1. The inverted L-shaped plates 4 are used to support the inner cover plate 3. The bottom of the inner cover plate 3 is rotatably connected to a gravity self-locking component that rotates on a vertical plane. A card slot 5 is provided at the right end of the gravity self-locking component, and the gravity self-locking component has a card slot 5. The center of gravity of the gravity self-locking component is at the left end, so that the right end of the gravity self-locking component is tilted upward. By rotating the inner cover plate 3 horizontally clockwise, the card slot 5 of the gravity self-locking component can be driven to engage with the vertical plate 7 of one of the inverted L-shaped plates 4, thereby achieving the fixation of the inner cover plate 3 and the cylinder 1. The middle part of the inner cover plate 3 is penetrated by an unlocking hole 6 along its axial direction. The unlocking hole 6 is for the unlocking handle to extend into the interior of the cylinder 1. The unlocking handle extends into the interior of the cylinder 1 through the unlocking hole 6 and abuts against the bottom of the left end of the gravity self-locking component. By moving the unlocking handle upward, the left end of the gravity self-locking component can be driven to rotate upward, so that the card slot 5 of the gravity self-locking component is disengaged from the vertical plate 7 of the inverted L-shaped plate 4, thereby achieving the unlocking of the inner cover plate 3.

[0023] The working principle and advantages of the present invention are as follows: the present invention drives the card slot 5 of the gravity self-locking component to engage with the vertical plate 7 of the inverted L-shaped plate 4 on the inner wall of the cylinder 1 by rotating the inner cover plate 3 clockwise, thereby realizing the self-locking of the inner cover plate 3. The fixing method of the inner cover plate 3 is convenient to operate, and the gravity self-locking component is arranged below the inner cover plate 3. The specific position and method of the locking point cannot be seen from the outside, and the inner cover plate 3 cannot be opened, thereby avoiding the inner cover plate 3 from being opened, and avoiding the loss or damage of the observation equipment. The observation equipment is the existing technology, which is generally used to measure the water level of the observation well. Temperature, water level depth (liquid surface position), etc., and groundwater quality is also measured. The observation equipment (main body, power supply, signal transmission, etc.) is placed in the protective tube well, and the sensor is extended downward into the water through a cable; when it is necessary to open the inner cover 3, the unlocking handle is extended into the interior of the cylinder 1 through the unlocking hole 6 and abuts against the bottom of the left end of the gravity self-locking component. By moving the unlocking handle upward, the left end of the gravity self-locking component can be driven to rotate upward, so that the card slot 5 of the gravity self-locking component is disengaged from the vertical plate 7 of the inverted L-shaped plate 4, thereby realizing the unlocking of the inner cover 3.

[0024] When the lever 12 is unlocked, the lever 12 is unlocked and the locking cam 13 is unlocked, so that the lever 12 is unlocked and the locking cam 13 is unlocked.

[0025] As a preferred embodiment of the present invention, the unlocking handle includes an L-shaped toggle rod 15 fixedly connected to the bottom end of the handle body 14. The L-shaped toggle rod 15 extends into the interior of the cylinder 1 through the unlocking hole 6 and abuts against the bottom of the counterweight 11. By moving the handle body 14 upward, the L-shaped toggle rod 15 can be driven to rotate the counterweight 11 upward, so that the slot 5 on the rotating plate 10 and the vertical plate 7 of the inverted L-shaped plate 4 are disengaged, and then the inner cover plate 3 is rotated counterclockwise to unlock the inner cover plate 3.

[0026] As a preferred embodiment of the present invention, the number of inverted L-shaped plates 4 is three, and the bottom end of the inner cover plate 3 is fixedly connected with three connecting L-plates 16, and each connecting L-plate 16 is distributed at intervals along the circumference of the inner cover plate 3. The top ends of the two ear plates 9 are fixedly connected to one of the connecting L-plates 16, and the left and right sides of the inner wall of the cylinder 1 are respectively fixedly connected with hooks 17, and the two hooks 17 are respectively used to hang observation equipment and sensors; the top end of the cylinder 1 is fixedly connected with a sealing ring 18, which is used to seal the connection between the top end of the cylinder 1 and the main cover plate 2 to prevent external rainwater from entering the cylinder 1.

[0027] As a preferred embodiment of the present invention, the locking mechanism includes a connecting ear 19 fixedly connected to the movable end of the main cover 2, and a connecting block 20 is fixedly connected to the right side of the outside of the cylinder 1. The bottom end of the connecting block 20 is provided with a cavity upward in the vertical direction. When the main cover 2 is placed on the top of the cylinder 1, a fixing bolt 21 moves through the connecting ear 19 and the connecting block 20 in sequence and is threadedly connected with a square nut. By tightening the square nut, the main cover 2 and the cylinder 1 are fixed.

[0028] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. An observation well protection tube, characterized by: The invention comprises a cylinder body which is covered on the outside of the wellhead, the bottom end of the cylinder body is fixedly connected to the ground, and the outer side of the top of the cylinder body is rotatably connected to a main cover plate, the movable end of the main cover plate is fixedly connected to a locking mechanism for detachable connection with the cylinder body, an inner cover plate is coaxially arranged in the cylinder body and near the top of the cylinder body, a plurality of inverted L-shaped plates distributed along the circumference thereof and used to support the inner cover plate are fixedly connected to the inner wall of the cylinder body, the bottom of the inner cover plate is rotatably connected to a gravity self-locking component which rotates on a vertical plane, and a card slot is provided at the right end of the gravity self-locking component. The center of gravity of the gravity self-locking assembly is at the left end. By horizontally rotating the inner cover plate, the card slot of the gravity self-locking assembly can be driven to engage with the vertical plate of one of the inverted L-shaped plates to fix the inner cover plate to the cylinder body. The middle part of the inner cover plate is penetrated by an unlocking hole for the unlocking handle to be inserted along its axial direction. The unlocking handle is inserted into the interior of the cylinder body through the unlocking hole and abuts against the bottom of the left end of the gravity self-locking assembly. By moving the unlocking handle upward, the left end of the gravity self-locking assembly can be driven to rotate upward, so that the card slot of the gravity self-locking assembly is disengaged from the vertical plate of the inverted L-shaped plate, thereby unlocking the inner cover plate.

2. The observation well protection tube according to claim 1, characterized in that: The gravity self-locking assembly includes a rotating plate rotatably connected between two ear plates through a rotating shaft, the ear plate is fixedly connected to the bottom end of the inner cover plate, the rotating plate at the left end of the rotating shaft is integrally formed with a counterweight block, and a slot is provided on the rotating plate at the right end of the rotating shaft. The right end of the rotating plate is tilted upward under the gravity of the counterweight block, and an inclined surface is formed on the right end of the rotating plate. The left and right sides of the inner cover plate are respectively fixedly connected with rotating handles for conveniently controlling the horizontal rotation of the inner cover plate.

3. The observation well protection tube according to claim 2, characterized in that: The unlocking handle includes an L-shaped toggle rod fixedly connected to the bottom end of the handle body. The L-shaped toggle rod extends into the interior of the cylinder through the unlocking hole and abuts against the bottom of the counterweight block. By moving the handle body upward, the counterweight block can be driven to rotate upward, so that the slot on the rotating plate is disengaged from the vertical plate of the inverted L-shaped plate, thereby unlocking the inner cover plate.

4. The observation well protection tube according to claim 3, characterized in that: There are three inverted L-shaped plates, and three connecting L-plates are fixedly connected to the bottom end of the inner cover plate. The connecting L-plates are spaced apart along the circumference of the inner cover plate, and the top ends of the two ear plates are fixedly connected to one of the connecting L-plates.

5. The observation well protection tube according to claim 4, characterized in that: The left and right sides of the inner wall of the cylinder are respectively fixedly connected with hooks.

6. The observation well protection tube according to claim 5, characterized in that: The top end of the cylinder is fixedly connected with a sealing ring for sealing the connection between the top end of the cylinder and the main cover plate.

7. The observation well protection tube according to claim 6, characterized in that: The locking mechanism includes a connecting ear fixedly connected to the movable end of the main cover, a connecting block fixedly connected to the outer right side of the cylinder, and a cavity is opened vertically upward at the bottom end of the connecting block. When the main cover is placed on the top of the cylinder, a fixing bolt moves through the connecting ear and the connecting block in sequence and is threadedly connected with a square nut. By tightening the square nut, the main cover and the cylinder are fixed.

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