Anti-blocking drainage well

Abstract

The utility model provides an anti-blocking drainage well which comprises a well body, an annular clamping sleeve and a filter screen, the well body is arranged in the vertical direction, and a clamping groove is formed in the inner circumferential wall of the well body; the annular clamping sleeve is arranged at the top of the well body and is coaxial with the well body, an annular groove used for containing the upper portion of the well body is formed in the bottom wall of the annular clamping sleeve, and a locking piece used for being matched with the clamping groove in an inserted mode is arranged on the annular clamping sleeve; the filter screen is arranged in the annular clamping sleeve, the peripheral edge of the filter screen is connected with the inner peripheral wall of the annular clamping sleeve, and the filter screen is arranged in an upwards-arched mode. According to the anti-blocking drainage well, foreign matters can be guided to the outer side of the filter screen through the filter screen, so that the foreign matters are prevented from entering the well body, and the foreign matters are prevented from being accumulated on the filter screen.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of dewatering well, more specifically, relates to a kind of anti-blocking dewatering well. BACKGROUND

[0002] Dewatering well is a kind of dewatering well, and groundwater dewatering is the inevitable requirement of many underground excavation projects, open-pit mining projects and other activities under the constraint of given point water level dewatering requirement conditions, to meet the requirements of engineering construction, and the dewatering well is set in foundation pit.

[0003] The existing dewatering well is mostly made of glass steel well pipe, and during construction, earthwork excavation is carried out, and the dewatering well is located in the foundation pit. During the earthwork excavation process, many construction wastes and other foreign matters will inevitably enter the inside of the dewatering well, and if they fall into the well pipe, the dewatering well will be blocked. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a kind of anti-blocking dewatering well, can guide foreign matter to the outside of filter screen by filter screen, not only avoid that foreign matter enters well body, also avoid that foreign matter is accumulated on filter screen.

[0005] To achieve the above object, the utility model adopts the technical scheme of providing a kind of anti-blocking dewatering well, including well body, annular clamping sleeve and filter screen, well body is set along up and down direction, and the inner circumferential wall of well body is provided with clamping groove;Annular clamping sleeve is set to the top of well body, and is coaxially arranged with well body, and the bottom wall of annular clamping sleeve is provided with annular groove for accommodating the upper part of well body, and locking member for being inserted and matched with clamping groove is arranged on annular clamping sleeve;Filter screen is arranged in annular clamping sleeve, and the outer circumferential edge is connected with the inner circumferential wall of annular clamping sleeve, and filter screen is arranged upwards in arch.

[0006] In a possible implementation manner, the inner circumferential wall of the annular groove close to the clamping groove is provided with a sliding groove, the locking member includes an elastic member and a locking block, the elastic member is connected to the inner bottom wall of the sliding groove and extends outward from the sliding groove, and the locking block is connected to the extension end of the elastic member and is in sliding fit with the sliding groove, so that the elastic member can elastically push the locking block outward to be clamped in the clamping groove.

[0007] In some embodiments, the outer end surface of the locking block is provided with an arc-shaped transition portion protruding outward.

[0008] In some embodiments, the opening end of the sliding groove is provided with a limiting table protruding inward, and the inner end of the locking block is provided with an abutting table protruding outward and used for abutting fit with the limiting table.

[0009] In some embodiments, the inner circumferential wall of the well body is provided with a positioning groove extending upward to the upper end surface of the well body, the clamping groove is arranged on the groove bottom wall of the positioning groove, the inner circumferential wall of the annular groove close to the positioning groove is provided with a positioning block in sliding fit with the positioning groove, and the sliding groove is arranged on the positioning block.

[0010] In some embodiments, the upper end face of the annular sleeve is provided with an insertion groove that extends in the vertical direction and communicates with the sliding groove. A tightening screw is threaded into the insertion groove, and the lower end of the tightening screw is used to engage with the locking block.

[0011] In some embodiments, the outer peripheral wall of the locking block is provided with an upward-opening locking groove, and the lower end of the tightening screw is provided with a plug for engaging with the locking groove. The plug can move down under the drive of the tightening screw and be inserted into the locking groove to prevent the locking block from disengaging from the slot.

[0012] In some embodiments, the upper end of the tightening screw is provided with a force-applying platform that protrudes outward.

[0013] Compared with the prior art, the anti-clogging drainage well provided in this embodiment allows foreign objects to fall onto the filter screen when they fall. The upward arched part of the filter screen then guides the foreign objects to the outside of the screen, which not only prevents foreign objects from entering the well body but also prevents them from accumulating on the filter screen. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 A front sectional view of the anti-clogging drainage well provided in this embodiment of the utility model;

[0016] Figure 2 This is an embodiment of the present utility model. Figure 1 A magnified schematic diagram of the local structure at point I;

[0017] Figure 3 This is an embodiment of the present utility model. Figure 1 A frontal sectional view of the central annular ferrule, locking mechanism, and filter screen;

[0018] Figure 4 This is an embodiment of the present utility model. Figure 1 A schematic diagram of the frontal cross-sectional structure of the central well body;

[0019] Figure 5 This is an embodiment of the present utility model. Figure 1 A schematic diagram of the front sectional view of the locking block;

[0020] Figure 6 This is an embodiment of the present utility model. Figure 1 A front view schematic diagram of the central tightening screw.

[0021] In the drawings:

[0022] 10, well body; 11, positioning groove; 12, clamping groove; 20, annular clamping sleeve; 21, annular groove; 22, sliding groove; 221, limiting table; 23, positioning block; 24, plug-in groove; 30, locking piece; 31, elastic piece; 32, locking block; 321, arc transition part; 322, abutting table; 323, locking groove; 40, filter screen; 50, jacking screw; 51, plug; 60, force applying table. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0024] It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. The terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise specifically limited.

[0025] Please refer to Figures 1 to 6 The present application provides a clogging-preventing and dewatering well. The clogging-preventing and dewatering well comprises a well body 10, an annular clamping sleeve 20 and a filter screen 40. The well body 10 is arranged along the up-down direction. The inner circumferential wall of the well body 10 is provided with a clamping groove 12. The annular clamping sleeve 20 is arranged on the top of the well body 10 and coaxially arranged with the well body 10. The bottom wall of the annular clamping sleeve 20 is provided with an annular groove 21 for accommodating the upper part of the well body 10. The annular clamping sleeve 20 is provided with a locking piece 30 for plug-in cooperation with the clamping groove 12. The filter screen 40 is arranged in the annular clamping sleeve 20 and the outer circumferential edge of the filter screen 40 is connected with the inner circumferential wall of the annular clamping sleeve 20. The filter screen 40 is arranged in an upward arch shape.

[0026] The embodiment of the present application provides a kind of anti-blocking well, in its actual use process, when there is foreign matter falling, foreign matter falls on filter screen 40, and the part of filter screen 40 is arched upwards to guide foreign matter to the outside of filter screen 40, not only avoid foreign matter into well body 10, also avoid foreign matter accumulation on filter screen 40.

[0027] By the locking piece 30 and the clamping groove 12, the stability of the annular clamping sleeve 20 and the well body 10 is improved, and the filter screen 40 is prevented from being separated from the well body 10.

[0028] Compared with the prior art, when there is foreign matter falling, the foreign matter falls on the filter screen 40, and the part of the filter screen 40 is arched upwards to guide the foreign matter to the outside of the filter screen 40, not only avoiding the foreign matter into the well body 10, but also avoiding the foreign matter accumulation on the filter screen 40.

[0029] In a possible implementation, the annular groove 21 has the structure as shown in Figures 1 to 5 , referring to Figures 1 to 5 , the annular groove 21 is provided with a sliding groove 22 on the inner peripheral wall close to the clamping groove 12, the locking piece 30 includes an elastic piece 31 and a locking block 32, the elastic piece 31 is connected to the inner bottom wall of the sliding groove 22 and extends to the outside of the sliding groove 22, and the locking block 32 is connected to the extension end of the elastic piece 31 and is in sliding fit with the sliding groove 22, and the elastic piece 31 can elastically push the locking block 32 to the clamping groove 12.

[0030] Specifically, the locking block 32 is used for inserting into the clamping groove 12, when the locking block 32 is completely in the sliding groove 22, the elastic piece 31 is in a compressed state, when the annular clamping sleeve 20 drives the locking block 32 to align with a clamping groove 12, the elastic piece 31 elastically pushes the locking block 32 to clamp in the clamping groove 12, so as to realize the locking of the position of the annular clamping sleeve 20, and improve the stability of the position of the annular clamping sleeve 20.

[0031] In some embodiments, referring to Figure 2 and Figure 5 , the outer end surface of the locking block 32 is provided with an outwardly protruding arc-shaped transition part 321.

[0032] Specifically, the arc-shaped transition part 321 is a smooth curved surface, when it is necessary to release the locking of the locking block 32 and the clamping groove 12, the annular clamping sleeve 20 can be directly pulled up, and the locking block 32 is separated from the clamping groove 12 through the guiding effect of the arc-shaped transition part 321 and the inner wall of the clamping groove 12, so as to improve the practicability.

[0033] In some embodiments, referring to Figure 2 and Figure 5The opening end of the sliding groove 22 is provided with a limiting table 221 protruding inwardly, and the inner end of the locking block 32 is provided with an abutting table 322 protruding outwardly and used for abutting with the limiting table 221.

[0034] Specifically, the depth of the locking block 32 clamped into the clamping groove 12 is limited by the abutting of the abutting table 322 and the limiting table 221, avoiding the disengagement of the locking block 32 from the sliding groove 22, and improving the use stability of the locking block 32.

[0035] In some embodiments, referring to Figures 1 to 4 , the inner peripheral wall of the well body 10 is provided with a positioning groove 11 extending upwardly to the upper end surface of the well body 10, the clamping groove 12 is arranged on the groove bottom wall of the positioning groove 11, the annular groove 21 is arranged on the inner peripheral wall close to the positioning groove 11 and is provided with a positioning block 23 in sliding cooperation with the positioning groove 11, and the sliding groove 22 is arranged on the positioning block 23.

[0036] Specifically, when installing the annular clamping sleeve 20, only the positioning block 23 needs to be aligned with the positioning groove 11, the upper part of the well body 10 needs to be put into the annular groove 21, and the annular clamping sleeve 20 needs to be pressed down until the locking block 32 is inserted into the clamping groove 12, without repeatedly adjusting the alignment of the locking block 32 with the clamping groove 12, thereby improving the locking efficiency.

[0037] In some embodiments, referring to Figures 1 to 3 and Figure 6 , the upper end surface of the annular clamping sleeve 20 is provided with an insertion groove 24 extending along the up-down direction and communicating with the sliding groove 22, and a jacking screw 50 is threadedly connected in the insertion groove 24, and the lower end of the jacking screw 50 is used for jacking cooperation with the locking block 32.

[0038] Specifically, after the locking block 32 is clamped into the clamping groove 12, in order to avoid the disengagement of the locking block 32 from the clamping groove 12, the jacking screw 50 can be rotated until the lower end thereof abuts against the outer peripheral wall of the locking block 32, so as to lock the position of the locking block 32, thereby realizing the clamping stability of the locking block 32 with the clamping groove 12.

[0039] In some embodiments, referring to Figures 1 to 3 , Figure 5 and Figure 6 , the outer peripheral wall of the locking block 32 is provided with a locking groove 323 opening upwardly, the lower end of the jacking screw 50 is provided with an insertion block 51 used for insertion cooperation with the locking groove 323, and the insertion block 51 can be driven by the jacking screw 50 to move downwardly and be inserted into the locking groove 323 to limit the disengagement of the locking block 32 from the clamping groove 12.

[0040] Specifically, the plug 51 is coaxially arranged with the jacking screw 50, after the locking block 32 is clamped in the clamping groove 12, the plug 51 is aligned with the locking groove 323, then the jacking screw 50 is rotated to drive the plug 51 to be inserted in the locking groove 323, the horizontal movement of the locking block 32 is limited through the plug 51 and the locking groove 323, and the locking effect of the locking block 32 is further improved.

[0041] In some embodiments, referring to Figure 1 and Figure 6 , the upper end of the jacking screw 50 is provided with an outwardly protruding force applying platform 60.

[0042] Specifically, the top of the force applying platform 60 is provided with a force applying handle, the force applying handle facilitates the rotation of the jacking screw 50 by the staff, and the practicability is improved.

[0043] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. Anti-clogging dewatering well, characterized in that, The utility model relates to a filter screen device, which comprises: a well body arranged in the up-down direction, an inner circumferential wall of the well body being provided with a clamping groove; a ring-shaped clamping sleeve arranged at the top of the well body and coaxially arranged with the well body, a bottom wall of the ring-shaped clamping sleeve being provided with a ring-shaped groove for accommodating the upper part of the well body, and the ring-shaped clamping sleeve being provided with a locking piece for plug-in cooperation with the clamping groove; and a filter screen arranged in the ring-shaped clamping sleeve and connected with the inner circumferential wall of the ring-shaped clamping sleeve at the outer circumferential edge, the filter screen being arranged in an upward arch shape.

2. The anti-clogging drain well of claim 1, wherein, The ring-shaped groove is provided with a sliding groove on the inner circumferential wall close to the clamping groove, and the locking piece comprises: a resilient piece connected to the inner bottom wall of the sliding groove and extending to the outer side of the sliding groove; and a locking block connected to the extension end of the resilient piece and in sliding cooperation with the sliding groove, the resilient piece being capable of elastically pushing the locking block outward to be clamped in the clamping groove.

3. The anti-clogging drain well of claim 2, wherein, An arc-shaped transition part protruding outward is arranged on the outer end surface of the locking block.

4. The anti-clogging drain well of claim 3, wherein, A limiting table protruding inward is arranged at the opening end of the sliding groove, and an abutting table protruding outward is arranged at the inner end of the locking block and used for abutting cooperation with the limiting table.

5. The anti-clogging drain well of claim 2, wherein, The inner circumferential wall of the well body is provided with a positioning groove extending upward to the upper end surface of the well body, the clamping groove is arranged on the groove bottom wall of the positioning groove, the ring-shaped groove is provided with a positioning block in sliding cooperation with the positioning groove on the inner circumferential wall close to the positioning groove, and the sliding groove is arranged on the positioning block.

6. The anti-clogging drain well of claim 2, wherein, The upper end surface of the ring-shaped clamping sleeve is provided with a plug-in groove extending in the up-down direction and in communication with the sliding groove, a jacking screw is threadedly connected in the plug-in groove, and the lower end of the jacking screw is used for abutting cooperation with the locking block.

7. The anti-clogging drain well of claim 6, wherein, An opening-up locking groove is arranged on the outer circumferential wall of the locking block, the lower end of the jacking screw is provided with a plug block used for plug-in cooperation with the locking groove, and the plug block is capable of moving downward under the driving of the jacking screw and being plugged into the locking groove to limit the locking block from being separated from the clamping groove.

8. The anti-clogging drain well of claim 7, wherein, An outwardly protruding force applying table is arranged at the upper end of the jacking screw.

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