Flip type well head and monitoring well device

Abstract

The utility model provides a flip type well head and a monitoring well device. The flip type well head comprises a shaft, a clamping piece and a well head cover. The clamping piece is connected to the peripheral side wall of the shaft; the well head cover is connected to the shaft in a turnover mode and covers or opens a top opening of the shaft. The well head cover is provided with a first clamping block; when the well head cover is overturned relative to the shaft, the top opening of the shaft is gradually covered with the well head cover, the first clamping block gets close to the clamping piece along with overturning of the well head cover and is connected with the clamping piece in a clamped mode, so that the covering stability of the well head cover relative to the shaft is guaranteed, and the first clamping block is connected with the clamping piece in a clamped mode; therefore, the covering stability of the well head cover relative to the shaft is maintained based on the clamping connection between the first clamping block and the clamping piece, the opening in the top of the shaft is covered or opened by overturning the well head cover relative to the shaft, and the situation that the well head cover is connected with the periphery of the shaft through bolts is avoided; therefore, the convenience of covering or opening the top opening of the shaft is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring well devices, in particular to a flip-type well head and a monitoring well device. Background Art

[0002] With the development of science and technology, the monitoring well head refers to the wellhead used to monitor groundwater level, water quality and other information. In order to control and reasonably develop groundwater resources, optimize the allocation of water resources and improve the efficiency of groundwater use, long-term monitoring of groundwater parameter changes is required. Groundwater monitoring conducts long-term monitoring, analysis and research on various groundwater elements to grasp the formation, distribution and movement of groundwater, providing important basis for groundwater resource evaluation and utilization, water resource management and protection, as well as agricultural development and urban transportation planning.

[0003] In the prior art, the existing monitoring well device includes a wellbore and a wellhead cover, and the wellhead cover is connected to the wellbore. During installation, the wellhead cover and the wellbore are connected by bolts, so that the wellhead cover is firmly fixed to the wellbore to ensure that the wellhead cover will not be moved or opened at will. However, the design of the bolts usually requires a large torque for installation and removal. Therefore, a lot of time and labor are required, resulting in poor installation convenience of the existing monitoring well device. Utility Model Content

[0004] The utility model aims to provide a flip-up wellhead and monitoring well device, wherein a wellbore is arranged on one side of a pipeline, and the wellbore is detachably connected to the pipeline; the wellbore is connected to the pipeline in the up-down direction; a clamping piece is connected to the peripheral side wall of the wellbore; the wellhead cover is flippably connected to the wellbore and covers or opens the top opening of the wellbore; the wellhead cover flips along the connecting axis between the wellhead cover and the wellbore; the wellhead cover is provided with a first clamping block; when the wellhead cover flips relative to the wellbore, the wellhead cover gradually covers the top opening of the wellbore, and the first clamping block is opened as the wellhead cover flips It is close to the locking piece and is locked with the locking piece to ensure the covering stability of the wellhead cover relative to the wellbore, so as to facilitate the locking connection of the first locking block with the locking piece, thereby maintaining the covering stability of the wellhead cover relative to the wellbore based on the locking connection between the first locking block and the locking piece, and realizing the covering or opening of the top opening of the wellbore by flipping the wellhead cover relative to the wellbore, avoiding the connection between the wellhead cover and the surrounding of the wellbore by bolts, so as to improve the convenience of covering or opening the top opening of the wellbore and ensure convenient operation for operators.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A flip-top wellhead, used for connecting a pipeline of a monitoring well device, the flip-top wellhead comprising:

[0007] A wellbore is arranged on one side of the pipeline, and the wellbore is detachably connected to the pipeline; the wellbore is connected to the pipeline in the up-down direction;

[0008] A clamping member connected to the peripheral side wall of the wellbore;

[0009] A wellhead cover is connected to the wellbore in a flippable manner and covers or opens the top opening of the wellbore; the wellhead cover flips along the connection axis between the wellhead cover and the wellbore; the wellhead cover is provided with a first locking block;

[0010] When the wellhead cover is flipped relative to the wellbore, the wellhead cover gradually covers the top opening of the wellbore, and the first locking block approaches the locking piece as the wellhead cover is flipped and is locked and connected with the locking piece to ensure the covering stability of the wellhead cover relative to the wellbore.

[0011] Optionally, the wellbore is located on the upper side of the pipe and is screwed to the pipe.

[0012] Optionally, the outer side wall of the wellbore is provided with a boss portion;

[0013] The wellhead cover comprises a main body and a first connecting portion; two sides of the main body are respectively connected to the first connecting portion and the first engaging block.

[0014] The first connection portion is hinged to the boss portion, and the main body is flipped relative to the shaft as the first connection portion is hinged to the boss portion, and covers or opens the top opening of the shaft.

[0015] Optionally, a groove is provided on one side of the main body facing the wellbore, and the groove is used for the top of the wellbore to penetrate;

[0016] The inner side wall of the groove contacts the peripheral side wall of the top of the wellbore.

[0017] Optionally, a first engaging groove is provided on the side wall of the first engaging block;

[0018] The engaging member is provided with a through slot, and a second elastically retractable engaging block is built into the engaging member, and the second engaging block elastically retracts in the horizontal direction in the through slot;

[0019] When the first engaging block is inserted into the through slot, the first engaging slot and the second engaging block are arranged opposite to each other, and the second engaging block is inserted into the first engaging slot and is engaged and connected with the first engaging block.

[0020] Optionally, a first elastic member is provided between the second engaging block and the engaging member, the first elastic member is arranged in a horizontal direction, two ends of the first elastic member respectively contact the engaging member and the second engaging block, and apply an elastic force to the second engaging block.

[0021] Optionally, a guide portion is provided at one end of the second engaging block, the guide portion is arranged obliquely, and the guide portion is guidingly connected to the inner side wall of the first engaging groove.

[0022] Optionally, a second elastic member is provided between the first engaging block and the inner side wall of the through slot, one end of the second elastic member is connected to the inner side wall of the through slot, and the other end of the second elastic member can contact the first engaging block;

[0023] When the first engaging block is disengaged from the second engaging block, the other end of the second elastic member applies an elastic force to the first engaging block, and the first engaging block is disengaged from the through slot under the elastic force.

[0024] Optionally, the engaging member is connected to a pressing member, and the pressing member is telescopically connected to the engaging member and drives the second engaging block to separate from the first engaging block;

[0025] The second engaging block is provided with a first inclined end, the pressing member is provided with a second inclined end, and the second inclined end is connected to the first inclined end;

[0026] The second engaging block is movably connected to the engaging member and moves along with the extension and retraction of the pressing member.

[0027] A monitoring well device comprises the flip-top wellhead and a pipeline, wherein the flip-top wellhead is connected to the pipeline.

[0028] Compared with the prior art, the beneficial effects of the utility model are:

[0029] The utility model provides a flip-up wellhead and monitoring well device, wherein a wellbore is arranged on one side of a pipeline, the wellbore is detachably connected to the pipeline; the wellbore is connected to the pipeline in the up-down direction; a clamping piece is connected to the peripheral side wall of the wellbore; the wellhead cover is flippably connected to the wellbore and covers or opens the top opening of the wellbore; the wellhead cover flips along the connecting axis between the wellhead cover and the wellbore; the wellhead cover is provided with a first clamping block; when the wellhead cover flips relative to the wellbore, the wellhead cover gradually covers the top opening of the wellbore, and the first clamping block approaches as the wellhead cover flips. The locking piece is engaged with the locking piece to ensure the covering stability of the wellhead cover relative to the wellbore, so as to facilitate the locking connection of the first locking block with the locking piece, thereby maintaining the covering stability of the wellhead cover relative to the wellbore based on the locking connection between the first locking block and the locking piece, and realizing the covering or opening of the top opening of the wellbore by flipping the wellhead cover relative to the wellbore, avoiding the connection between the wellhead cover and the surrounding of the wellbore by bolts, so as to improve the convenience of covering or opening the top opening of the wellbore, and ensure convenient operation for operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0031] In order to more completely understand the present application and its beneficial effects, the following description will be made in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0032] Figure 1 A schematic diagram of a flip-top wellhead according to a first embodiment of the present application is shown.

[0033] Figure 2 A cross-sectional view of a flip-top wellhead according to a first embodiment of the present application is shown.

[0034] Figure 3 Shows Figure 2 A partial enlarged view of point A in the middle.

[0035] Figure 4 A schematic top-sectional structure diagram of the engaging member of the flip-top wellhead according to the first embodiment of the present application is shown.

[0036] Figure 5 A schematic diagram of the internal structure of the engaging member of the flip-top wellhead according to the first embodiment of the present application is shown.

[0037] Figure 6 A schematic diagram of a monitoring well device according to a second embodiment of the present application is shown.

[0038] Reference numerals

[0039] 100. Flip-top wellhead;

[0040] 10. Shaft; 11. Boss;

[0041] 20, engaging member; 20a, slot; 21, second engaging block; 211, guide portion; 212, first inclined end; 22, first elastic member; 23, second elastic member; 24, pressing member; 241, second inclined end; 242, third elastic member;

[0042] 30. wellhead cover; 31. first engaging block; 31a. first engaging groove; 32. main body; 32a. groove; 33. first connecting portion;

[0043] 200. Monitoring well device; 210. Pipeline. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0045] Please refer to the attached Figures 1 to 6 An embodiment of the present application provides a flip-top wellhead 100, which is used to connect a pipeline 210 of a monitoring well device 200. The flip-top wellhead 100 includes a wellbore 10, a clamping member 20 and a wellhead cover 30. The clamping member 20 is arranged on the outside of the wellbore 10, and the wellhead cover 30 is arranged on the upper side of the wellbore 10.

[0046] In the embodiment of the present application, the wellbore 10 serves as a supporting component of the flip-top wellhead 100. The wellbore 10 is used to support the locking member 20 and the wellhead cover 30. The wellbore 10 is arranged on one side of the pipeline 210. The wellbore 10 is detachably connected to the pipeline 210. The wellbore 10 is connected to the pipeline 210 in the up and down directions so that the wellbore 10 can be connected to or disconnected from the pipeline 210.

[0047] At this time, the wellbore 10 is on the upper side of the pipeline 210 and is screwed to the pipeline 210, so that the wellbore 10 can be detachably connected to the pipeline 210 by means of a threaded connection, thereby facilitating the wellbore 10 to be connected to or disconnected from the pipeline 210. Optionally, the wellbore 10 is provided with an internal thread and the pipeline 210 is provided with an external thread, and the internal thread engages with the external thread, so that the wellbore 10 can be threadedly connected to the pipeline 210 by means of the internal thread and the external thread.

[0048] In the embodiment of the present application, the engaging member 20 is connected to the peripheral side wall of the wellbore 10 so as to fix the engaging member 20 to the peripheral side wall of the wellbore 10 .

[0049] In the embodiment of the present application, the wellhead cover 30 is arranged on the upper side of the wellbore 10, and the wellhead cover 30 is flippably connected to the wellbore 10, and covers or opens the top opening of the wellbore 10; the wellhead cover 30 flips along the connection axis between the wellhead cover 30 and the wellbore 10 to facilitate adjustment of the position of the wellhead cover 30 relative to the wellbore 10; the wellhead cover 30 is provided with a first locking block 31; when the wellhead cover 30 is flipped relative to the wellbore 10, the wellhead cover 30 gradually covers the top opening of the wellbore 10, and the first locking block 31 approaches the locking member 20 as the wellhead cover 30 flips, and is locked with the locking member 20 The wellhead cover 30 is connected in a locking manner to ensure the covering stability of the wellhead cover 30 relative to the wellbore 10, so as to facilitate the locking connection between the first locking block 31 and the locking member 20, thereby maintaining the covering stability of the wellhead cover 30 relative to the wellbore 10 based on the locking connection between the first locking block 31 and the locking member 20, and realizing the covering or opening of the top opening of the wellbore 10 by flipping the wellhead cover 30 relative to the wellbore 10, avoiding the connection between the wellhead cover 30 and the wellbore 10 around by bolts, so as to improve the convenience of covering or opening the top opening of the wellbore 10, and ensure convenient operation for operators.

[0050] At this time, the outer wall of the wellbore 10 is provided with a boss portion 11; the wellhead cover 30 includes a main body 32 and a first connecting portion 33; the first connecting portion 33 and the first snap-fit ​​block 31 are respectively located on both sides of the main body 32, and the first connecting portion 33 and the first snap-fit ​​block 31 are arranged relatively to each other. The two sides of the main body 32 are respectively connected to the first connecting portion 33 and the first snap-fit ​​block 31, and the first connecting portion 33 is hinged to the boss portion 11 so that the first connecting portion 33 can swing relative to the boss portion 11. The main body 32 flips relative to the wellbore 10 as the first connecting portion 33 is hinged to the boss portion 11, and covers or opens the top opening of the wellbore 10, so as to realize the swing of the wellhead cover 30 relative to the wellbore 10.

[0051] Among them, a groove 32a is provided on the side of the main body 32 facing the wellbore 10, and the groove 32a is used for the top of the wellbore 10 to pass through; the inner wall of the groove 32a contacts the peripheral side wall of the top of the wellbore 10, so that the main body 32 can be sleeved on the wellbore 10, thereby facilitating the main body 32 to cover the wellbore 10 through the space of the groove 32a.

[0052] In addition, a first engaging groove 31a is provided on the side wall of the first engaging block 31; the engaging member 20 is provided with a through groove 20a, and the engaging member 20 has a built-in elastically retractable second engaging block 21, and the second engaging block 21 elastically retracts horizontally in the through groove 20a to facilitate adjustment of the position of the second engaging block 21; when the first engaging block 31 is inserted into the through groove 20a, the first engaging groove 31a and the second engaging block 21 are arranged opposite to each other, and the second engaging block 21 is inserted into the first engaging groove 31a and is engaged with the first engaging block 31, so that the second engaging block 21 can be engaged with the first engaging block 31 through the first engaging groove 31a, thereby facilitating the engagement and connection between the wellhead cover 30 and the wellbore 10.

[0053] A gap is left between the first engaging block 31 and the engaging member 20 to prevent the first engaging block 31 from getting stuck inside the engaging member 20 . The design of the gap can effectively ensure the normal engagement of the first engaging block 31 .

[0054] In the embodiment of the present application, a first elastic member 22 is provided between the second engaging block 21 and the engaging member 20. The first elastic member 22 is arranged in the horizontal direction. The two ends of the first elastic member 22 respectively contact the engaging member 20 and the second engaging block 21, and apply an elastic force to the second engaging block 21, so that the second engaging block 21 can be elastically extended and retracted relative to the engaging member 20 through the first elastic member 22, thereby facilitating the adjustment of the position of the second engaging block 21, and further facilitating the engaging connection between the second engaging block 21 and the first engaging block 31.

[0055] At this time, a guide portion 211 is provided at one end of the second engaging block 21, and the guide portion 211 is arranged at an angle. The guide portion 211 is connected to the inner wall of the first engaging groove 31a for guiding, so that the second engaging block 21 can enter the first engaging groove 31a under the guidance of the guide portion 211, thereby improving the engaging effect between the second engaging block 21 and the first engaging block 31.

[0056] In the embodiment of the present application, a second elastic member 23 is provided between the first locking block 31 and the inner wall of the groove 20a, one end of the second elastic member 23 is connected to the inner wall of the groove 20a, and the other end can contact the first locking block 31; when the first locking block 31 is disengaged from the second locking block 21, the other end of the second elastic member 23 applies an elastic force to the first locking block 31, and the first locking block 31 is disengaged from the groove 20a under the elastic force, so that the first locking block 31 can be adjusted in position under the elastic force of the second elastic member 23, thereby facilitating the staggered arrangement of the second locking block 21 and the first locking block 31, and further facilitating the well head cover 30 to be disengaged from the wellbore 10.

[0057] In the embodiment of the present application, the engaging member 20 is connected to a pressing member 24, and the pressing member 24 is telescopically connected to the engaging member 20 to facilitate adjustment of the position of the pressing member 24 relative to the engaging member 20, and the pressing member 24 drives the second engaging block 21 to disengage from the first engaging block 31; the second engaging block 21 is provided with a first inclined end 212, and the pressing member 24 is provided with a second inclined end 241, and the second inclined end 241 is connected to the first inclined end 212; the second engaging block 21 is movably connected to the engaging member 20 and moves with the extension and retraction of the pressing member 24, so that the pressing member 24 drives the second engaging block 21 to move when pressed by human action, thereby facilitating the second engaging block 21 to disengage from the first engaging groove 31a during the movement, thereby facilitating the wellhead cover 30 to disengage from the wellbore 10 under human pressure.

[0058] The pressing member 24 is connected to a third elastic member 242 , and two ends of the third elastic member 242 are respectively connected to the pressing member 24 and the second inclined end 241 . Under the action of the elastic force of the third elastic member 242 , the pressing member 24 drives the second inclined end 241 to reset, thereby releasing the second inclined end 241 from squeezing the first inclined end 212 .

[0059] In another embodiment, a monitoring well device 200 includes a flip-top wellhead 100 and a pipeline 210 , wherein the flip-top wellhead 100 is connected to the pipeline 210 so that the flip-top wellhead 100 is fixed to the pipeline 210 .

[0060] Compared with the prior art, the beneficial effects of the utility model are:

[0061] The utility model provides a flip-up wellhead 100 and a monitoring well device 200, wherein a wellbore 10 is arranged on one side of a pipeline 210, and the wellbore 10 is detachably connected to the pipeline 210; the wellbore 10 is connected to the pipeline 210 in the up-down direction; a clamping member 20 is connected to the peripheral side wall of the wellbore 10; a wellhead cover 30 is flippably connected to the wellbore 10, and covers or opens the top opening of the wellbore 10; the wellhead cover 30 flips along the connection axis between the wellhead cover 30 and the wellbore 10; the wellhead cover 30 is provided with a first clamping block 31; when the wellhead cover 30 flips relative to the wellbore 10, the wellhead cover 30 gradually covers the top opening of the wellbore 10, and the first clamping block 31 moves with the wellbore 10. The head cover 30 is flipped over to approach the locking member 20 and is locked with the locking member 20 to ensure the covering stability of the wellhead cover 30 relative to the wellbore 10, so that the first locking block 31 is locked with the locking member 20, thereby maintaining the covering stability of the wellhead cover 30 relative to the wellbore 10 based on the locking connection between the first locking block 31 and the locking member 20, and realizing the covering or opening of the top opening of the wellbore 10 by flipping the wellhead cover 30 relative to the wellbore 10, avoiding the connection between the wellhead cover 30 and the wellbore 10 around by bolts, so as to improve the convenience of covering or opening the top opening of the wellbore 10 and ensure convenient operation for operators.

[0062] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0063] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0064] Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A flip-top wellhead, characterized in that: A pipe used to connect the monitoring well device, the flip-top wellhead comprises: A wellbore is arranged on one side of the pipeline, and the wellbore is detachably connected to the pipeline; the wellbore is connected to the pipeline in the up-down direction; A clamping member connected to the peripheral side wall of the wellbore; A wellhead cover is connected to the wellbore in a flippable manner and covers or opens the top opening of the wellbore; the wellhead cover flips along the connection axis between the wellhead cover and the wellbore; the wellhead cover is provided with a first locking block; When the wellhead cover is flipped relative to the wellbore, the wellhead cover gradually covers the top opening of the wellbore, and the first locking block approaches the locking piece as the wellhead cover is flipped and is locked and connected with the locking piece to ensure the covering stability of the wellhead cover relative to the wellbore.

2. The flip-top wellhead according to claim 1, characterized in that: The wellbore is located on the upper side of the pipeline and is screwed to the pipeline.

3. The flip-top wellhead according to claim 1, characterized in that: The outer side wall of the wellbore is provided with a boss portion; The wellhead cover comprises a main body and a first connecting portion; two sides of the main body are respectively connected to the first connecting portion and the first engaging block. The first connection portion is hinged to the boss portion, and the main body is flipped relative to the shaft as the first connection portion is hinged to the boss portion, and covers or opens the top opening of the shaft.

4. The flip-top wellhead according to claim 3, characterized in that: A groove is provided on one side of the main body facing the wellbore, and the groove is used for the top of the wellbore to penetrate; The inner side wall of the groove contacts the peripheral side wall of the top of the wellbore.

5. The flip-top wellhead according to claim 3, characterized in that: The side wall of the first engaging block is provided with a first engaging groove; The engaging member is provided with a through slot, and a second elastically retractable engaging block is built into the engaging member, and the second engaging block elastically retracts in the horizontal direction in the through slot; When the first engaging block is inserted into the through slot, the first engaging slot and the second engaging block are arranged opposite to each other, and the second engaging block is inserted into the first engaging slot and is engaged and connected with the first engaging block.

6. The flip-top wellhead according to claim 5, characterized in that: A first elastic member is provided between the second engaging block and the engaging member. The first elastic member is arranged in a horizontal direction. Two ends of the first elastic member respectively contact the engaging member and the second engaging block and apply an elastic force to the second engaging block.

7. The flip-top wellhead according to claim 6, characterized in that: A guide portion is provided at one end of the second engaging block. The guide portion is arranged obliquely and is guidingly connected to the inner side wall of the first engaging groove.

8. The flip-top wellhead according to claim 7, characterized in that: A second elastic member is provided between the first engaging block and the inner side wall of the through groove, one end of the second elastic member is connected to the inner side wall of the through groove, and the other end of the second elastic member can contact the first engaging block; When the first engaging block is disengaged from the second engaging block, the other end of the second elastic member applies an elastic force to the first engaging block, and the first engaging block is disengaged from the through slot under the elastic force.

9. The flip-top wellhead according to claim 8, characterized in that: The engaging member is connected to a pressing member, and the pressing member is telescopically connected to the engaging member and drives the second engaging block to separate from the first engaging block; The second engaging block is provided with a first inclined end, the pressing member is provided with a second inclined end, and the second inclined end is connected to the first inclined end; The second engaging block is movably connected to the engaging member and moves along with the extension and retraction of the pressing member.

10. A monitoring well device, characterized in that: It comprises a flip-top wellhead and a pipeline as described in any one of claims 1 to 9, wherein the flip-top wellhead is connected to the pipeline.

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