CN222810055U - Seal structure for drainage well with water-stop wing ring - Google Patents

Abstract

The utility model relates to the technical field of building construction, and discloses a drainage well sealing structure with a water-stop wing ring, comprising a foundation pit, a drainage well is opened in the foundation pit, a well pipe is installed at the bottom of the drainage well, a steel sleeve is connected to the top of the well pipe, a blind plate is movably installed at the top of the steel sleeve, a concrete structural plate is cast in the foundation pit, and the steel sleeve is cast in the concrete structural plate. The structure allows the soil around the drainage well to be effectively restricted outside the well pipe by placing the well pipe and the steel sleeve into the drainage well, thereby ensuring that the drainage well will not be eroded by the soil so that the drainage function of the drainage well is affected; by casting the concrete structural plate in the foundation pit, the well pipe and the steel sleeve can be effectively limited to a specific position, and at the same time, it has a good waterproof effect, and at the same time effectively improves the anti-leakage effect of water leakage around the drainage well.

Description

Dewatering well plugging structure with water stop wing ring

Technical Field

The utility model relates to the technical field of building construction, in particular to a dewatering well plugging structure with a water stop wing ring.

Background

In the development process of urban underground space, deep foundation pit engineering becomes an important construction project in the building field, and the pit water lowering and draining measures are adopted before the foundation pit is excavated, so that the water level line is ensured to be below 50cm of the excavated surface, a certain number of dewatering wells are arranged in the foundation pit according to relevant regulations in the common water lowering measures, and the plugging of the dewatering wells is always a construction heavy difficulty.

The existing common plugging methods comprise the steps of simply backfilling and plugging a precipitation well, lengthening and plugging by adopting a common steel sleeve, thickening structural concrete around the precipitation well, and even affecting the normal use of the structure, wherein the plugging effects of the existing methods are not very good.

Disclosure of utility model

The utility model aims to provide a dewatering well plugging structure with a water stop wing ring, and aims to solve the problem of water leakage around a dewatering well in the prior art.

The utility model discloses a dewatering well plugging structure with a water stopping wing ring, which comprises a foundation pit, wherein a dewatering well is arranged in the foundation pit, a well pipe is arranged at the bottommost end of the dewatering well, the top end of the well pipe is connected with a steel sleeve, a blind plate is movably arranged at the top end of the steel sleeve, a concrete structure plate is poured in the foundation pit, the steel sleeve is poured in the concrete structure plate, an annular water stopping wing ring is arranged at the outer edge of the steel sleeve, and the distance from the water stopping wing ring to the bottom end of the concrete structure plate is more than 15cm.

Preferably, the well pipe is uniformly provided with a plurality of filtering holes, and the sizes of the filtering holes are smaller than those of the gravel.

Preferably, the well pipe and the steel sleeve are made of high-strength metal materials.

Preferably, the well pipe and the steel sleeve are connected in a welding mode.

Preferably, a flange is arranged at the top end of the steel sleeve, and the flange is prefabricated on the steel sleeve before construction.

Preferably, a rubber pad is arranged between the flange and the blind plate, and the rubber pad, the blind plate and the flange are identical in size.

Preferably, the outer curved surface of the blind plate is provided with a skirt edge, and the inner curved surface of the skirt edge is matched with the outer curved surface of the flange in size.

Preferably, a plurality of connecting blocks are elastically connected in the skirt edge, the plurality of connecting blocks can be exposed at positions outside the skirt edge, a plurality of connecting grooves are formed in the flange, and the plurality of connecting blocks are slidably matched in the connecting grooves.

Preferably, a plurality of connecting blocks are elastically connected in the skirt edge, the plurality of connecting blocks can be exposed at positions outside the skirt edge, a plurality of connecting grooves are formed in the flange, and the plurality of connecting blocks are slidably matched in the connecting grooves.

Inclined surfaces are formed at one ends, close to the steel sleeve, of the connecting blocks.

Compared with the prior art, the dewatering well plugging structure with the water stop wing ring has the advantages that the well pipe and the steel sleeve are welded into a whole, the whole is placed into the dewatering well, the blind plate is movably mounted on the steel sleeve, the concrete structure plate is poured into the foundation pit, soil around the dewatering well can be effectively limited outside the well pipe by placing the well pipe and the steel sleeve into the dewatering well, the dewatering well is prevented from being corroded by the soil, the dewatering function of the dewatering well is affected, the concrete structure plate is poured into the foundation pit, the well pipe and the steel sleeve can be effectively limited at specific positions, good waterproof effect is achieved, and the seepage prevention effect of water seepage around the dewatering well is effectively improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a dewatering well plugging structure with a water stop ring provided by the utility model;

FIG. 2 is a schematic diagram of the position structure of a steel sleeve and blind plates of a dewatering well plugging structure with a water stop ring;

Fig. 3 is a schematic diagram of a front view cross-section of a steel sleeve and blind plate of a dewatering well plugging structure with a water stop ring.

Fig. 4 is an enlarged schematic view of a portion a of a dewatering well plugging structure with a water stop ring according to the present utility model.

Reference numerals illustrate:

1. a foundation pit; 2, a dewatering well, 3, a well pipe, 4, a steel sleeve, 5, a blind plate, 6, a concrete structure plate, 7, a flange, 8, a rubber mat, 9, a skirt, 10, a water stopping wing ring, 11, a connecting block, 12 and a connecting groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The implementation of the present utility model will be described in detail below with reference to specific embodiments.

In the description of the present utility model, it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that the specific meaning of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-4, a preferred embodiment of the present utility model is provided.

The utility model provides a dewatering well plugging structure with water stopping wing ring, including foundation ditch 1, seted up dewatering well 2 in the foundation ditch 1, well pipe 3 is installed to dewatering well 2's bottommost end, and well pipe 3's top is connected with steel sleeve 4, and steel sleeve 4's top movable mounting has blind plate 5, has pour concrete structure board 6 in the foundation ditch 1, and steel sleeve 4 is pour in concrete structure board 6, and annular water stopping wing ring 10 is installed to steel sleeve 4's outward flange department, and the distance of water stopping wing ring 10 to concrete structure board 6 bottom is greater than 15cm.

When the plugging structure is used, the well pipe 3 and the steel sleeve 4 are welded into a whole, the whole is placed in the dewatering well 2, the blind plate 5 is movably mounted on the steel sleeve 4, and then the concrete structure plate 6 is poured into the foundation pit 1, the soil around the dewatering well 2 can be effectively limited outside the well pipe 3 by placing the well pipe 3 and the steel sleeve 4 in the dewatering well 2, so that the dewatering well 2 cannot be corroded by the soil to cause the dewatering function of the dewatering well 2 to be affected, and the concrete structure plate 6 is poured into the foundation pit 1, so that the well pipe 3 and the steel sleeve 4 can be effectively limited at specific positions, and meanwhile, the good waterproof effect is achieved, and meanwhile, the anti-leakage effect of water leakage around the dewatering well 2 is effectively improved.

Specifically, in this embodiment, the well pipe 3 is uniformly provided with a plurality of filtering holes, and the sizes of the plurality of filtering holes are smaller than those of the gravel.

By arranging the filter holes on the well pipe 3, water outside the well pipe 3 can flow into the dewatering well 2, and sediment is blocked by the well pipe 3 and cannot enter the dewatering well 2, so that the storage volume in the dewatering well 2 is ensured.

Specifically, in this embodiment, the well pipe 3 and the steel sleeve 4 are both made of high-strength metal materials.

Because the well pipe 3 and the steel sleeve 4 are made of metal materials, the pressure applied by soil around the dewatering well 2 to the well pipe 3 and the steel sleeve 4 can be resisted, and the normal use of the well pipe 3 and the steel sleeve 4 is ensured.

Specifically, in this embodiment, the well pipe 3 and the steel sleeve 4 are connected by welding.

The well pipe 3 and the steel sleeve 4 are mounted together in a welding mode, so that the connection between the well pipe 3 and the steel sleeve 4 is firmer, and the situation that the well pipe 3 and the steel sleeve 4 are separated is avoided.

Specifically, in this embodiment, the top end of the steel sleeve 4 is provided with a flange 7, and the flange 7 is prefabricated on the steel sleeve 4 before construction.

The cross-sectional area of the top end of the steel sleeve 4 can be enlarged through the arrangement of the flange 7, so that the steel sleeve 4 is connected with the blind plate 5 conveniently.

Specifically, in this embodiment, a rubber pad 8 is disposed between the flange 7 and the blind plate 5, and the dimensions of the rubber pad 8, the blind plate 5 and the flange 7 are the same.

The blind plate 5 and the steel sleeve 7 can be connected more tightly through the arrangement of the rubber cushion 8, so that the waterproof sealing effect is achieved.

Specifically, in this embodiment, the distance between the blind plate 5 and the top end of the concrete structure plate 6 is greater than 15cm.

Because the distance between the blind plate 5 and the top end of the concrete structure plate 6 is larger than 15cm, the blind plate 5 can keep a proper distance with the top end of the concrete structure plate 6, and thus water leakage is avoided.

Specifically, in this embodiment, the outer curved surface of the blind plate 5 is provided with the skirt 9, and the inner curved surface of the skirt 9 is matched with the outer curved surface of the flange 7 in size.

The setting through shirt rim 9 makes blind plate 5 cup joint on flange 7 to the quick installation of blind plate 5 of being convenient for improves work efficiency.

Specifically, in this embodiment, a plurality of connecting blocks 11 are elastically connected in the skirt 9, the plurality of connecting blocks 11 can be exposed at positions outside the skirt 9, a plurality of connecting grooves 12 are formed in the flange 7, and the plurality of connecting blocks 11 are slidably fit in the connecting grooves 12.

Through the setting of connecting block 11 and spread groove 12 for the blind plate 5 that is connected with shirt rim 9 can be installed on flange 7 through connecting block 11, this mode easy operation, installation effectiveness are high.

Specifically, in this embodiment, inclined surfaces are formed at one ends of the plurality of connection blocks 11, which are close to the steel sleeve 4.

Through the setting of inclined plane for when connecting block 11 contacted with the top of flange 7, flange 7 can be through the setting of inclined plane with connecting block 11 to the inside promotion of shirt rim 9, thereby makes shirt rim 9 can the accessible cup joint on flange 7.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a dewatering well plugging structure with water stopping wing ring, includes the foundation ditch, its characterized in that, the dewatering well has been seted up in the foundation ditch, and the well pipe is installed to the bottommost end of dewatering well, and the top of well pipe is connected with the steel sleeve, and steel sleeve's top movable mounting has the blind plate, pour concrete structure board in the foundation ditch, the steel sleeve is pour in concrete structure board, annular water stopping wing ring is installed to steel sleeve's outward flange department, and the distance of water stopping wing ring to concrete structure board bottom is greater than 15cm.

2. The dewatering well plugging structure with water stop wing ring of claim 1, wherein a plurality of filtering holes are uniformly distributed on the well pipe, and the sizes of the filtering holes are smaller than the sizes of the grits.

3. The dewatering well plugging structure with water stop fin collar of claim 1, wherein the well pipe and steel sleeve are both high strength metal.

4. The dewatering well plugging structure with water stop fin collar of claim 1, wherein the well pipe and the steel sleeve are connected by welding.

5. The dewatering well plugging structure with water stop wing ring as in claim 1, wherein the top end of the steel sleeve is provided with a flange, and the flange is prefabricated on the steel sleeve before construction.

6. The dewatering well plugging structure with the water stop wing ring of claim 5, wherein a rubber mat is arranged between the flange and the blind plate, and the rubber mat, the blind plate and the flange are identical in size.

7. The dewatering well plugging structure with water stop wing rings of claim 1, wherein the distance between the blind plate and the top end of the concrete structure plate is greater than 15cm.

8. The dewatering well plugging structure with the water stop wing ring as claimed in claim 1, wherein a skirt is installed on the outer curved surface of the blind plate, and the inner curved surface of the skirt is matched with the outer curved surface of the flange in size.

9. The dewatering well plugging structure with water stop wing ring as set forth in claim 8, wherein a plurality of connecting blocks are elastically connected in the skirt, the plurality of connecting blocks can be exposed at positions outside the skirt, a plurality of connecting grooves are formed in the flange, and the plurality of connecting blocks are slidably fitted in the connecting grooves.

10. The dewatering well plugging structure with water stop wing rings of claim 9, wherein the inclined surfaces are formed at one ends of the connecting blocks, which are close to the steel sleeve.