CN216640643U

CN216640643U - Well pit dewatering device

Info

Publication number: CN216640643U
Application number: CN202123222756.5U
Authority: CN
Inventors: 王超; 陈通; 张新新
Original assignee: Qingdao Qingfang Construction And Installation Group Co ltd
Current assignee: Qingdao Qingfang Construction And Installation Group Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-31
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to a well pit dewatering device which is characterized by comprising a drain pipe, wherein the lower end of the drain pipe is provided with a plug detachably connected with the drain pipe, and the plug comprises a straight pipe part and a conical part positioned at the end part of the straight pipe part; a plurality of drain holes penetrating through the peripheral wall of the drain pipe are formed in the peripheral wall of the lower end of the drain pipe; a protective net is sleeved at the drain pipe in the drain hole area; the protective net comprises a sleeve-shaped net body and two connecting rings which are respectively fixed at two ends of the sleeve-shaped net body, a plurality of positioning screw holes penetrating through the peripheral wall of each connecting ring are circumferentially arranged on the connecting rings, and positioning screws matched with the positioning screw holes are arranged in the positioning screw holes; this practicality can convenient and fast carry out tip to the drain pipe and go out water filtering mechanism's installation.

Description

Well pit dewatering device

Technical Field

The utility model relates to the technical field of dewatering devices, in particular to a well pit dewatering device.

Background

When building construction is carried out, various wells are often required to be dug, and because the planes of the wells are usually lower than the surrounding ground level, when the external environment continuously falls, water is easily accumulated in the wells. In order to prevent the water accumulated in the pit from causing safety accidents and influencing the construction progress, a dewatering device is usually arranged in the pit to drain and lower the collected water in the pit. Well dewatering devices typically employ a drain pipe which is inserted into the well foundation and leads to an underground raceway. The upper end opening of the drain pipe is flush with the inner surface of the well pit or slightly lower than the inner surface of the well pit, so that accumulated water in the well pit can be quickly drained into the underground ditch through the drain pipe.

To facilitate insertion of the drain pipe into the ground, the end of the drain pipe is typically sharpened. And because of the possible presence of larger particulate solids in the water stream discharged into the drain. In order to prevent solid foreign matters with large particles in water from entering the water, the filter screen is wound at the end of the water inlet and outlet pipe and fixed by a method of binding iron wires, and then the water flow discharged into the underground ditch is filtered by the filter screen.

The existing water drain pipe end adopts a winding filter screen, and the filter screen is installed in a mode of bundling iron wires, so that the operation is inconvenient, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a well pit dewatering device which can conveniently and quickly install an end water outlet filtering mechanism on a drain pipe.

The technical purpose of the utility model is realized by the following technical scheme: a well pit dewatering device comprises a drain pipe, wherein the lower end of the drain pipe is provided with a plug detachably connected with the drain pipe, and the plug comprises a straight pipe part and a conical part positioned at the end part of the straight pipe part; a plurality of drain holes penetrating through the peripheral wall of the drain pipe are formed in the peripheral wall of the lower end of the drain pipe; a protective net is sleeved at the drain pipe in the drain hole area; the protection network includes the shell-like dictyosome and two go-between that are fixed in shell-like dictyosome both ends respectively, the go-between circumference is provided with the location screw that a plurality of runs through the connecting ring perisporium, install in the location screw with location screw complex set screw.

Through the technical scheme, the drain pipe of the well pit dewatering device drains water through the drain holes formed in the peripheral wall of the drain pipe, so that when the well pit dewatering device is assembled and used, the connecting ring of the protective net is sleeved on the peripheral wall of the drain pipe, and the connecting ring is fixed at the corresponding position by tightening the positioning screw, so that the protective net is sleeved and fixed in the drain pipe area where the drain holes are located; then the end of the drain pipe is plugged by installing the plug at the end of the drain pipe, and the end of the drain pipe is made to be conical, so that the drain pipe is conveniently inserted into the ground; this scheme equipment is high-efficient, convenient to use.

Preferably, a positioning ring for installing and positioning the connecting ring is fixed on the peripheral wall of the drain pipe.

Through the technical scheme, the positioning ring is arranged on the peripheral wall of the drain pipe, so that when the protective net is installed, the connecting ring is positioned in the axial direction of the drain pipe through the positioning ring, and therefore the plugging device can be conveniently and quickly installed and positioned.

Preferably, a connection internal thread is arranged on the inner surface of the straight pipe part, and a connection external thread matched with the connection internal thread is arranged on the outer peripheral wall of the lower end of the drain pipe.

Through above-mentioned technical scheme, the shutoff is through the cooperation of the connection internal thread on its straight tube portion internal surface and the connection external screw thread on the drain pipe lower extreme periphery wall, and then installs the lower extreme at the drain pipe, convenient operation is swift.

Preferably, the upper end of the drain pipe is provided with a liquid one-way valve for controlling water flow to pass through in one direction from top to bottom.

Through above-mentioned technical scheme, through set up liquid check valve in the drain pipe upper end, and then when avoiding ground water level too high, by the drain pipe anti-water in to the pit.

Preferably, a circular water receiving groove communicated with the drain pipe is formed in the upper end of the drain pipe, and the inner diameter of the circular water receiving groove is larger than that of the drain pipe.

Through above-mentioned technical scheme, through setting up circular water receiving tank, when the construction, the upper surface that makes circular water receiving tank and the surperficial looks parallel and level of pit, and certain water yield can be stored to circular water receiving tank, and then when the drainage, makes the drain pipe can keep the biggest drainage flow, guarantees drainage rate.

Preferably, the upper part of the circular water receiving tank is provided with an end cover used for sealing an opening of the circular water receiving tank, and the end cover is provided with a water inlet hole penetrating through the end cover.

Through above-mentioned technical scheme, through setting up the end cover on circular water receiving tank upper portion, and then seal circular water receiving tank opening through the end cover, reduce external foreign matter and enter into in the circular water receiving tank and then the drain pipe upper end that causes blocks up.

Preferably, a water stopping steel plate is fixed on the peripheral wall of the circular water receiving tank.

Through above-mentioned technical scheme, through being fixed with the stagnant water steel sheet on the perisporium of circular water receiving tank, and then carry out the separation through stagnant water steel sheet to the decurrent infiltration of pit to make ponding more concentrated by the drainage pipe department discharge.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic diagram of the structure of a well dewatering device.

Figure 2 is a cross-sectional view of a well dewatering device.

Fig. 3 is a schematic structural view of the end cap.

Fig. 4 is a schematic structural view showing the connection relationship between the plug and the drain pipe.

Fig. 5 is a partially enlarged view of a in fig. 2.

Fig. 6 is a structural view of the connection ring.

Wherein, 1, a drain pipe; 11. a drain hole; 12. connecting external threads; 13. a positioning ring; 2. a circular water receiving tank; 3. a liquid check valve; 4. a water stop steel plate; 5. plugging; 51. a straight tube portion; 511. connecting the internal threads; 52. a tapered portion; 6. a protective net; 61. a sleeve-shaped net body; 62. a connecting ring; 621. a set screw; 7. an end cap; 71. a water inlet hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

a well pit dewatering device, refer to fig. 1 and 2, comprises a drain pipe 1, a circular water receiving tank 2 which is fixed at the upper end of the drain pipe 1 and communicated with the drain pipe 1, and a water stop steel plate 4 fixed on the peripheral wall of the circular water receiving tank 2. The inner diameter of the circular water receiving tank 2 is larger than that of the water discharge pipe 1. A liquid one-way valve 3 for controlling water flow to pass through from top to bottom in one direction is arranged between the drain pipe 1 and the circular water receiving tank 2, and the liquid one-way valve 3 is fixedly connected with the circular water receiving tank 2 and the drain pipe 1 respectively. When the well pit dewatering device is used, the drain pipe 1 is inserted into the foundation of the well pit and connected with the underground drainage channel. The water stop steel plate 4 is buried underground under the ground surface of the foundation pit, so that water in the pit is prevented from permeating downwards, the water in the pit is gathered towards the circular water receiving tank 2, and then the water is discharged into the underground ditch through the water discharge pipe 1. Through the setting of liquid check valve 3, make rivers only can one-wayly discharge into drain pipe 1, avoid because of during too high or the water pressure under water of ground water is too big, to the interior anti-water of foundation ditch.

Referring to fig. 2 and 3, an end cover 7 for sealing an opening of the circular water receiving tank 2 is disposed at an upper portion of the circular water receiving tank 2, and a water inlet 71 penetrating through the end cover 7 is disposed on the end cover 7. Through setting up end cover 7, protect circular water receiving tank 2 upper end opening to effectively reduce the solid foreign matter that gets into in circular water receiving tank 2, and then reduce the possibility that drain pipe 1 takes place to block up.

Referring to fig. 2 and 4, a plurality of drain holes 11 are formed in the lower end peripheral wall of the drain pipe 1 to penetrate the peripheral wall of the drain pipe 1. The lower end of the drain pipe 1 is provided with a plug 5, and the plug 5 comprises a straight pipe part 51 and a conical part 52 positioned at the end part of the straight pipe part. The straight pipe portion 51 is provided on the inner surface thereof with a female coupling thread 511, and the outer peripheral wall of the lower end of the drain pipe 1 is provided with a male coupling thread 12 to be fitted to the female coupling thread 511. Through the lower extreme installation shutoff 5 at drain pipe 1, and then utilize shutoff 5 to seal drain pipe 1's lower extreme, prevent when sinking drain pipe 1 that external foreign matter is got into by drain pipe 1 lower extreme to through installation shutoff 5, make drain pipe 1 lower extreme be the taper, and then conveniently carry out the sinking operation to drain pipe 1.

Referring to fig. 2, 5 and 6, a protective net 6 is provided at the drain pipe 1 in the drain hole 11 region. The protective net 6 comprises a sleeve-shaped net body 61 and two connecting rings 62 fixed at two ends of the sleeve-shaped net body 61 respectively, wherein a plurality of positioning screw holes penetrating through the peripheral wall of the connecting rings 62 are formed in the circumferential direction of the connecting rings 62, and positioning screws 621 matched with the positioning screw holes are installed in the positioning screw holes. A positioning ring 13 for installing and positioning the connecting ring 62 is fixed on the peripheral wall of the drain pipe 1. By providing the protection net 6 at the drain hole 11, water drained by the drain hole 11 can be filtered, and at the same time, the possibility of the drain hole 11 being blocked by the outside can be reduced. When the protective net 6 is installed, the connecting ring 62 is sleeved on the drain pipe 1, the connecting ring 62 is abutted against the positioning ring 13, then the positioning screw 621 in the positioning thread is tightened to position the connecting ring 62 at the positioning ring 13, the sleeve-shaped net body 61 is stretched, and then the other connecting ring 62 is fixed by the same method, so that the protective net 6 is sleeved on the region corresponding to the drain hole 11.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A well pit dewatering device, includes drain pipe (1), its characterized in that: the lower end of the drain pipe (1) is provided with a plug (5) detachably connected with the drain pipe (1), and the plug (5) comprises a straight pipe part (51) and a conical part (52) positioned at the end part of the straight pipe part (51); a plurality of drain holes (11) penetrating through the peripheral wall of the drain pipe (1) are formed in the peripheral wall of the lower end of the drain pipe (1); a protective net (6) is sleeved at the drain pipe (1) in the drain hole (11) area; the protection network (6) are fixed in go-between (62) at cover form dictyosome (61) both ends respectively including cover form dictyosome (61) and two, go-between (62) circumference is provided with the positioning screw hole that a plurality of runs through go-between (62) perisporium, install in the positioning screw hole with positioning screw hole complex set screw (621).

2. A well pit dewatering apparatus as claimed in claim 1, wherein: and a positioning ring (13) for installing and positioning the connecting ring (62) is fixed on the peripheral wall of the drain pipe (1).

3. A well pit dewatering apparatus as claimed in claim 1, wherein: the inner surface of the straight pipe part (51) is provided with a connecting internal thread (511), and the outer peripheral wall of the lower end of the drain pipe (1) is provided with a connecting external thread (12) matched with the connecting internal thread (511).

4. A well pit dewatering apparatus as claimed in claim 1, wherein: the upper end of the drain pipe (1) is provided with a liquid one-way valve (3) for controlling water flow to pass through from top to bottom in a single direction.

5. A well pit dewatering apparatus as claimed in claim 1, wherein: the upper end of the drain pipe (1) is provided with a circular water receiving tank (2) communicated with the drain pipe (1), and the inner diameter of the circular water receiving tank (2) is larger than that of the drain pipe (1).

6. A well pit dewatering apparatus according to claim 5, wherein: the upper portion of circular water receiving tank (2) is provided with and is used for carrying out confined end cover (7) to the opening of circular water receiving tank (2), set up inlet opening (71) that run through end cover (7) on end cover (7).

7. A well pit dewatering apparatus according to claim 5, wherein: and a water stopping steel plate (4) is fixed on the peripheral wall of the circular water receiving tank (2).