CN217002258U

CN217002258U - Foundation pit drainage device for building construction

Info

Publication number: CN217002258U
Application number: CN202123372513.XU
Authority: CN
Inventors: 倪立东; 肖飞; 孙宗强; 王本国; 吴磊; 赵玉伟
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-19
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of foundation pit drainage devices, and discloses a foundation pit drainage device for building construction, which comprises a shell, wherein a piston shell is arranged in the shell, a limiting cover which is detachable and is positioned on the outer side of the piston shell is arranged on the shell, a limiting ring positioned on the right side of the piston shell is fixedly connected in the shell, a secondary filtering piece positioned on the right side of the limiting ring is arranged in the shell, and a primary filtering piece which is detachable and is positioned on the right side of the secondary filtering piece is arranged on the shell. This foundation ditch drainage device of construction possesses advantages such as convenient to use, has solved prior art, and foundation ditch drainage device is at the in-process of drainage, takes ponding and silt particle out together easily, and silt particle deposit too much causes the water pump to damage easily simultaneously, for preventing the emergence of this phenomenon, can set up the filter in drainage device department usually to filter the silt particle, nevertheless should not dredge the clearance behind the filter plate jam, lead to the problem of not being convenient for to use.

Description

Foundation ditch drainage device of construction

Technical Field

The utility model relates to the technical field of foundation pit drainage devices, in particular to a foundation pit drainage device for building construction.

Background

The foundation pit of the building is a soil pit excavated according to the base elevation and the base plane size at the design position of a foundation, an excavation scheme is determined according to geological and hydrological data and the condition of buildings nearby a construction site before excavation, waterproof and drainage work is carried out, a slope can be set for people who do not excavate deeply to stabilize the soil slope, the slope is determined according to relevant construction regulations, people who excavate deeper and nearby buildings can use a foundation pit wall supporting method and a concrete spraying wall protecting method, a large foundation pit even adopts methods such as an underground continuous wall and column type cast-in-situ bored piles for linkage, the soil layer on the outer side is prevented from collapsing, and a foundation pit drainage device is needed for drainage because a certain amount of underground water and rainwater can be stored in the foundation pit arranged in the open air.

Among the prior art, foundation ditch drainage device is at the in-process of drainage, takes ponding and silt particle out together easily, and silt particle deposit too much causes the water pump to damage simultaneously easily, for preventing the emergence of this phenomenon, can set up the filter in drainage device department usually to filter the silt particle, nevertheless difficult dredging and clearing up after the filter plate blocks up, lead to not convenient to use, so propose a foundation ditch drainage device of construction and solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a foundation pit drainage device for building construction, which has the advantages of convenience in use and the like, and solves the problems that in the prior art, accumulated water and silt particles are easy to be pumped out together in the drainage process of the foundation pit drainage device, and a water pump is easy to damage due to excessive sediment of the silt particles.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides a foundation ditch drainage device of construction, includes the casing, the inside of casing is provided with the piston shell, be provided with the spacing lid that can dismantle and be located the piston shell outside on the casing, the inside fixedly connected with of casing is located the spacing ring on piston shell right side, the inside of casing is provided with the secondary that is located the spacing ring right side and strains the piece, be provided with on the casing and dismantle and be located the primary that secondary strained the piece right side and strain the piece, the left side intercommunication of piston shell has the valve, the left side UNICOM of valve has the drinking-water pipe.

The utility model has the beneficial effects that:

this foundation ditch drainage device of construction, when carrying out the drainage operation, through communicating drinking-water pipe and outside suction pump, arrange casing and piston shell in foundation ditch ponding, once strain piece and secondary and filter the piece and mutually support, intercept the silt granule in the ponding of foundation ditch, avoid silt granule to pile up and damage outside suction pump in outside suction pump, when the secondary filters the piece and appears the jam condition, make outside suction pump stop work, close the valve and dismantle once and strain the piece, through casing and piston shell cooperation, make remaining water-washed pressure secondary filter in the piston shell, make the secondary filter the piece dredged, once more install and strain the piece and open the valve, can carry out the drainage operation once more, thereby reach convenient to use's purpose.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the piston shell includes that one end extends to the inside movable shell of casing, the outside fixedly connected with of movable shell and the piston ring of casing inside wall laminating.

Adopt above-mentioned further scheme's beneficial effect to be, the piston ring plays sliding seal's effect for movable shell can move relative to the casing.

Further, the limiting cover comprises an end cover ring which is in threaded connection with the outer side of the shell and extends to the outer side of the movable shell, and the inner side of the end cover ring is fixedly connected with an elastic ring which is tightly attached to the right side of the shell.

Adopt above-mentioned further scheme's beneficial effect to be, the end cover ring plays spacing effect to the piston ring, and the elastic ring plays the effect of installation buffering.

Further, once strain the piece including with the inside threaded connection's of casing collar, the inboard fixedly connected with filter screen of collar.

The beneficial effect who adopts above-mentioned further scheme is that, the filter screen plays the effect that blocks large granule silt, avoids the direct striking curved surface filter plate of large granule silt.

Further, the secondary filter element comprises a ring block fixedly connected with the inside of the shell, and a curved surface filter plate is fixedly connected to the left side of the ring block.

Adopt above-mentioned further scheme's beneficial effect be, the curved surface filter plate further blocks silt particle.

Furthermore, the outer side of the shell is fixedly connected with two first handles, and the left side of the movable shell is fixedly connected with two second handles.

Adopt above-mentioned further scheme's beneficial effect is, through first handle and the mutual cooperation of second handle, be convenient for remove piston shell and casing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a right side view of the structure of the present invention;

fig. 4 is a left side view of the structure of the present invention.

In the figure: 1. a housing; 2. a piston housing; 21. a movable shell; 22. a piston ring; 3. a limiting cover; 31. an end cap ring; 32. an elastic ring; 4. a primary filter element; 41. a mounting ring; 42. filtering with a screen; 5. a secondary filter element; 51. A ring block; 52. a curved surface filter plate; 6. a limiting ring; 7. a valve; 8. a water pumping pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment, as shown in fig. 1-4, a foundation pit drainage device for building construction comprises a housing 1, a piston housing 2 is arranged inside the housing 1, a limiting cover 3 which can be disassembled and is positioned outside the piston housing 2 is arranged on the housing 1, a limiting ring 6 which is positioned on the right side of the piston housing 2 is fixedly connected inside the housing 1, a secondary filter 5 which is positioned on the right side of the limiting ring 6 is arranged inside the housing 1, a primary filter 4 which is positioned on the right side of the secondary filter 5 is arranged on the housing 1, a valve 7 is communicated with the left side of the piston housing 2, a water pumping pipe 8 is communicated with the left side of the valve 7, the piston housing 2 comprises a movable housing 21, one end of the movable housing 21 extends into the housing 1, a piston ring 22 which is jointed with the inner side wall of the housing 1 is fixedly connected on the outer side of the movable housing 21, and the piston ring 22 plays a role of sliding seal, so that the movable housing 21 can move relative to the housing 1, the limiting cover 3 comprises an end cover ring 31 which is in threaded connection with the outer side of the shell 1 and extends to the outer side of the movable shell 21, the inner side of the end cover ring 31 is fixedly connected with an elastic ring 32 which is tightly attached to the right side of the shell 1, the end cover ring 31 has a limiting effect on the piston ring 22, the elastic ring 32 has an installation buffering effect, the primary filter element 4 comprises an installation ring 41 which is in threaded connection with the inner side of the shell 1, the inner side of the installation ring 41 is fixedly connected with a filter screen 42, the filter screen 42 has an effect of blocking large-particle silt, the large-particle silt is prevented from directly impacting a curved filter plate 52, the secondary filter element 5 comprises a ring block 51 which is fixedly connected with the inner side of the shell 1, the left side of the ring block 51 is fixedly connected with the curved filter plate 52, the curved filter plate 52 further blocks the silt particles, the outer side of the shell 1 is fixedly connected with two first handles, and the left side of the movable shell 21 is fixedly connected with two second handles, the plunger housing 2 and the housing 1 are easily moved by the cooperation of the first handle and the second handle.

The working principle is as follows:

the first step is as follows: when drainage operation is carried out, the water pumping pipe 8 is communicated with an external water pumping pump, the shell 1 and the piston shell 2 are placed in accumulated water of a foundation pit, the external water pumping pump works, the accumulated water of the foundation pit sequentially passes through the filter screen 42 and the curved surface filter plate 52 and is guided away by the water pumping pipe 8, the filter screen 42 plays a role in blocking large-particle silt, the large-particle silt is prevented from directly impacting the curved surface filter plate 52, and the curved surface filter plate 52 further blocks silt particles;

the second step is that: when the curved filter plate 52 is blocked to affect the drainage efficiency, the external water pump stops working, the valve 7 is closed, the mounting ring 41 is detached, the movable shell 21 is moved rightwards, the movable shell 21 drives the piston ring 22 to move rightwards, so that the residual water in the movable shell 21 flushes and presses the curved filter plate 52, the secondary filter element 5 is dredged, the mounting ring 41 is installed again, the valve 7 is opened, the shell 1 and the piston shell 2 are placed in the accumulated water in the foundation pit, the external water pump starts working, and the drainage operation can be carried out again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch drainage device of construction, includes casing (1), its characterized in that: the inside of casing (1) is provided with piston shell (2), be provided with spacing lid (3) that can dismantle and be located the piston shell (2) outside on casing (1), the inside fixedly connected with of casing (1) is located spacing ring (6) on piston shell (2) right side, the inside of casing (1) is provided with secondary filter (5) that are located spacing ring (6) right side, be provided with on casing (1) and can dismantle and be located primary filter (4) on secondary filter (5) right side, the left side intercommunication of piston shell (2) has valve (7), the left side UNICOM of valve (7) has drinking-water pipe (8).

2. The foundation pit drainage device for building construction according to claim 1, wherein: piston shell (2) include that one end extends to inside activity shell (21) of casing (1), the outside fixedly connected with of activity shell (21) and piston ring (22) of casing (1) inside wall laminating.

3. The foundation pit drainage device for building construction according to claim 2, wherein: spacing lid (3) including with casing (1) outside threaded connection and extend to end cover ring (31) in the activity shell (21) outside, the inboard fixedly connected with of end cover ring (31) and casing (1) right side elasticity circle (32) of closely laminating.

4. A foundation pit drainage device for building construction according to claim 3, wherein: the primary filter (4) comprises a mounting ring (41) in threaded connection with the inside of the shell (1), and a filter screen (42) is fixedly connected to the inner side of the mounting ring (41).

5. The foundation pit drainage device for building construction according to claim 4, wherein: the secondary filter element (5) comprises a ring block (51) fixedly connected with the inside of the shell (1), and a curved surface filter plate (52) is fixedly connected to the left side of the ring block (51).

6. The foundation pit drainage device for building construction according to claim 5, wherein: the outer side of the shell (1) is fixedly connected with two first handles, and the left side of the movable shell (21) is fixedly connected with two second handles.