CN210597346U

CN210597346U - Basement drainage blind ditch

Info

Publication number: CN210597346U
Application number: CN201920894049.4U
Authority: CN
Inventors: 张剑峰
Original assignee: Nanjing Zhongyi Architectural Design Institute Co ltd
Current assignee: Nanjing Zhongyi Architectural Design Institute Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-05-22
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a basement drainage blind ditch is applied in the drainage blind ditch field, has solved the poor technical problem of drainage blind ditch water permeability, and its technical scheme main points are including the bottom plate, the water drainage tank that is located the bottom plate lower extreme, set up the pipe of permeating water in the water drainage tank, the periphery of the pipe of permeating water is equipped with the filter layer, the filter layer includes gravel layer, cobble layer, drainage bed from bottom to top, the bottom plate is located the upper end of drainage bed, the pipe of permeating water is located completely in the cobble layer, the granule of cobble layer is greater than the granule of gravel layer and the granule of filter layer; has the technical effects that the filtering layer is formed by the cobblestones, the gaps of the cobblestones are large, and the water permeability is good.

Description

Basement drainage blind ditch

Technical Field

The utility model relates to a french drain field, more specifically say, it relates to a basement drainage french drain.

Background

Because the in-process of raining, groundwater level can rise, and the bottom plate of basement all is concrete cement, and the concrete is waterproof, leads to water to see through the basement wallboard and permeates to in the basement. The blind ditch is a strip-shaped ditch under a building or a roadbed and is used for draining water and reducing the underground water level.

At present, chinese patent with publication number CN205712148U discloses a basement drainage french drain, which comprises a basement bottom plate, a mud layer, a filter layer and a concrete layer, wherein a ditch for accumulated water to be discharged is formed between the concrete layer and the basement bottom plate, the ditch is arranged below the basement bottom plate, thick brick moulding beds are arranged at two ends of the concrete layer, the filter layer is respectively arranged between the thick brick moulding beds and the mud layer, a plurality of water through holes are arranged on the concrete layer, and a plurality of brick building holes are arranged at one end of each thick brick moulding bed, which is close to the basement bottom plate.

According to the basement drainage blind ditch, the concrete is arranged on the periphery of the ditch and used for maintaining the shape of the blind ditch, and the concrete can permeate water but has poor water permeability so as to cause untimely drainage, so that a blind ditch structure with good permeability needs to be designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a basement drainage french drain, its advantage is, forms the filter layer through the cobblestone, and the gap of cobblestone is big, and the water permeability is good.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a basement drainage french drain, includes the bottom plate, is located the water drainage tank of bottom plate lower extreme, set up the pipe of permeating water in the water drainage tank, the periphery of the pipe of permeating water is equipped with the filter layer, up include gravel layer, cobble layer, drainage bed from down on the filter layer, the bottom plate is located the upper end of drainage bed, the pipe of permeating water is located completely in the cobble layer, the granule on cobble layer is greater than the granule on gravel layer and the granule of filter layer.

Through above-mentioned technical scheme, the pipe of permeating water is used for the drainage, and the pipe of permeating water is located the gravel layer for the earth of lower extreme can not get into the pipe of permeating water, because the granule of gravel layer is smaller, thereby makes the gravel layer more level and smooth, makes the even atress of pipe of permeating water. The cobblestone horizon is located the both ends of the pipe of permeating water for solid particle such as filtration earth, foreign matter, the upper end of the pipe of permeating water sets up the water filtering layer, thereby will permeate water the pipe and push down, prevent to permeate water the pipe and soak totally in aquatic and come-up. The particles of the cobblestone layer are large, so that gaps between cobblestones are large, the water permeability is good, and meanwhile, the cobblestone layer can play a role in filtering.

The utility model discloses further set up to: the water pipe of the trompil is equipped with along the perpendicular to subaerial in one side of the pipe of permeating water, the water pipe is equipped with the filter cloth outward, be located in the water pipe the bottom plate with be equipped with level sensor between the cobble layer, the export of the pipe of permeating water is equipped with the water pump.

Through above-mentioned technical scheme, when level sensor detected the water level of groundwater and overflowed the pipe of permeating water, with the control room of signal transmission feed pump this moment, the water pump begins to draw water, and the speed of drainage is accelerated, descends when the water level, and level sensor is with the control room of signal transmission feed pump this moment for the water pump automatic stop.

The utility model discloses further set up to: the cobble layer with be equipped with the backup pad of the big fretwork of rigidity intensity between the drainage layer, the width of backup pad is greater than the width on cobble layer, the thickness on cobble layer equals the diameter of the pipe of permeating water.

Through above-mentioned technical scheme, the width of backup pad surpasss the width on cobble layer for the backup pad is taken and is established in mud layer, is used for supporting the drainage layer, and then makes the upper end of the pipe of permeating water not atress, prevents to permeate water by the pressure deformation.

The utility model discloses further set up to: be equipped with on the bottom plate with the bar groove of water drainage tank butt joint, the width in bar groove is greater than water drainage tank's width and the bar groove with water drainage tank centering sets up, can dismantle on the bar groove and be connected with the apron.

Through above-mentioned technical scheme, when the pipe of permeating water is blockked up, perhaps local harm and when warping, lead to the drainage different, can follow the change to the pipe of permeating water through opening the apron.

The utility model discloses further set up to: still be equipped with plain concrete layer between the bottom plate with the filter layer, the water drainage tank upwards extends and passes through plain concrete layer, be equipped with the waterstop between plain concrete layer with the bottom plate, the vertical cross-section of apron becomes isosceles trapezoid.

Through the technical scheme, the plain concrete layer is used as a foundation for supporting the basement. The water stop is used for preventing underground water from permeating into the underground chamber from the gap between the cover plate and the strip-shaped groove. The cross section of the cover plate is isosceles trapezoid, so that the cover plate and the strip-shaped groove are tighter.

The utility model discloses further set up to: it is adjacent be equipped with coupling assembling between the pipe of permeating water, the one end of the pipe of permeating water is equipped with flow sensor, subaerial being equipped with and being used for receiving the flow monitoring room of flow sensor signal.

Through above-mentioned technical scheme, flow sensor is arranged in detecting the condition of the pipe intermediate drainage of permeating water, when the pipe of permeating water is when the drainage, and the flow monitoring room is monitored the drainage condition footpath of the pipe of permeating water this moment, and then can discover the unusual position of drainage fast, and then conveniently overhaul.

The utility model discloses further set up to: the connecting assembly comprises a flexible connecting pipe connected between adjacent permeable pipes and two semicircular supporting sleeves sleeved outside the flexible connecting pipe.

Through above-mentioned technical scheme, the hose connection pipe is convenient for permeate water the pipe bending, supports the cover and supports on the hose connection pipe, prevents that the hose connection pipe warp. The support sleeve is formed into two semicircular shapes, thereby being convenient for disassembly.

The utility model discloses further set up to: and a reinforcement cage is arranged outside the filter layer.

Through above-mentioned technical scheme, the steel reinforcement cage retrains the filter layer, prevents that the filter layer from collapsing.

To sum up, the utility model discloses following beneficial effect has:

1. the drainage is improved;

2. is convenient for maintenance.

Drawings

Fig. 1 is a structural schematic view in an overall sectional elevation view of the present embodiment.

Fig. 2 is a schematic structural view of the water permeable pipe and the water pump of the present embodiment.

Fig. 3 is a schematic structural view of the water permeable pipe and the connection assembly of the present embodiment.

Reference numerals: 1. a base plate; 11. a strip-shaped groove; 12. a cover plate; 13. plain concrete layer; 14. a water stop; 15. a base plate; 2. a water discharge tank; 3. a water permeable pipe; 31. a connecting assembly; 32. a flexible connection pipe; 33. a support sleeve; 34. a flow sensor; 35. a water pump; 4. a filter layer; 41. a gravel layer; 42. a cobble layer; 43. filtering a water layer; 44. a reinforcement cage; 45. a support plate; 5. a water pipe; 51. a liquid level sensor; 6. and (6) a soil layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1 and 2, a basement drainage french drain, including bottom plate 1, the water drainage tank 2 that is located bottom plate 1 lower extreme, the soil layer 6 is encircleed to the other tribit of water drainage tank 2, sets up the pipe 3 of permeating water in water drainage tank 2, coats filter layer 4 outside the pipe 3 of permeating water, sets up water pump 35 on the pipe 3 of permeating water, and water pump 35 is used for drawing water, improves the speed of drainage. The filter layer 4 is used for filtering underground water, preventing underground water and soil loss and simultaneously preventing soil from blocking the permeable pipe 3.

Referring to fig. 1, a U-shaped reinforcement cage 44 is provided outside the filter layer 4, the reinforcement cage 44 serving to restrain the filter layer 4 therein and prevent the filter layer 4 from collapsing. From up including sand gravel layer 41, cobblestone layer 42, drainage bed 43 in proper order down for filter layer 4, sand gravel layer 41 is located the bottom of water drainage tank 2, and the pipe 3 that permeates water is located sand gravel layer 41, and cobblestone layer 42's thickness equals with the diameter of the pipe 3 that permeates water to make the pipe 3 that permeates water can not receive the extrusion of cobblestone layer 42, drainage bed 43 is located the upper end of the pipe 3 that permeates water. The particle diameter of the gravel layer 41 is 10-40mm, the particle size of the cobble layer 42 is 50-80mm, and the particle size of the water filtering layer 43 is 40-60 mm.

Referring to fig. 1 and 2, a water pipe 5 with a hole is arranged on one side of the water permeable pipe 3 along the vertical direction, a liquid level sensor 51 is arranged in the water pipe 5, filter cloth is arranged outside the water pipe 5 and used for preventing soil from entering the water pipe 5, the liquid level sensor 51 is arranged in the water pipe 5, a controller (not shown in the figure) is arranged on the water pump 35 and used for controlling the operation of the water pump 35, and the liquid level sensor 51 is electrically connected with the controller. When the level sensor 51 detects that the water level of the groundwater overflows the permeable pipe 3, a signal is transmitted to the control chamber of the water pump 35 at the moment, the water pump 35 starts pumping water, the speed of water drainage is accelerated, and when the water level drops, the level sensor 51 transmits a signal to the control chamber (not shown in the figure) of the water pump 35 at the moment, so that the water pump 35 is automatically stopped.

Referring to fig. 1, a hollow support plate 45 with good rigidity is arranged between the cobble layer 42 and the water filtering layer 43, and the support plate 45 is used for enabling the width of the support plate 45 to exceed the width of the cobble layer 42, enabling the support plate 45 to be erected in a mud layer and used for supporting the water filtering layer 43, enabling the upper end of the water permeable pipe 3 to be free of stress and preventing the water permeable pipe from being deformed by pressure.

Referring to fig. 1, a plain concrete layer 13 is further arranged between the bottom plate 1 and the drainage layer 43, and the plain concrete layer 13 is used for supporting the basement. Set up bar groove 11 along vertical direction on bottom plate 1, the width in bar groove 11 is greater than the width of water drainage tank 2 and bar groove 11 and water drainage tank 2 centering set up, can dismantle on the bar groove 11 and be connected with apron 12. When the permeable pipe 3 is damaged, the cover plate 12 is opened at the moment, so that the permeable pipe 3 is convenient to replace. A water stop 14 is horizontally arranged between the plain concrete layer 13 and the bottom plate 1, and the water stop 14 is used for preventing underground water from permeating into the underground chamber from a gap between the cover plate 12 and the strip-shaped groove 11. The lower extreme of waterstop 14 is equipped with backing plate 15, and backing plate 15 can be dismantled and connect in bar groove 11, and the vertical cross-section of apron 12 becomes isosceles trapezoid for bottom plate 1 is inseparabler with the curb plate of bar groove 11 is connected under the effect of dead weight.

Referring to fig. 2 and 3, set up coupling assembling 31 between adjacent tub 3 of permeating water, coupling assembling 31 includes hose connection pipe 32, the cover establishes two semicircular support covers 33 in the hose connection pipe 32 outside, and hose connection pipe 32 passes through the clamp to be fixed on tub 3 of permeating water, leaves certain clearance between the adjacent tub 3 of permeating water to be convenient for adjust the overall length of tub 3 of permeating water. The support sleeve 33 is used for bearing pressure and preventing the soft connecting pipe 32 from being flattened to influence drainage.

Referring to fig. 1 and 3, a flow sensor 34 is provided at a port of the water permeable pipe 3, and a flow monitoring chamber (not shown) is provided on the ground and receives a signal from the flow sensor 34. When the pipe 3 of permeating water when the drainage, can monitor the pipe 3 of permeating water through flow sensor 34 to can be quick seek the place that finds the drainage is unusual, the accurate maintenance of being convenient for.

The action process is as follows: when the liquid level sensor 51 detects that the water level is high, the water pump 35 starts to work at the moment, and the underground water level is reduced; during the drainage process, the drainage condition in the permeable pipe 3 is detected by the flow sensor 34, and when the drainage is abnormal, the cover plate 12 can be opened, so that the local position can be replaced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a basement drainage french drain, includes bottom plate (1), is located water drainage tank (2) of bottom plate (1) lower extreme, a serial communication port, set up pipe (3) of permeating water in water drainage tank (2), the periphery of pipe (3) of permeating water is equipped with filter layer (4), filter layer (4) are from up once including gravel layer (41), cobblestone layer (42), water filtering layer (43) down, bottom plate (1) are located the upper end of water filtering layer (43), it is located completely to permeate water pipe (3) in cobblestone layer (42), the granule of cobblestone layer (42) is greater than the granule of gravel layer (41) and the granule of filter layer (4).

2. The basement drainage blind ditch according to claim 1, characterized in that a water pipe (5) with an opening is arranged on one side of the water permeable pipe (3) along the direction perpendicular to the ground, a filter cloth is arranged outside the water pipe (5), a liquid level sensor (51) is arranged in the water pipe (5) and between the bottom plate (1) and the cobble layer (42), and a water pump (35) is arranged at the outlet of the water permeable pipe (3).

3. The basement drainage blind ditch according to claim 2, characterized in that a hollowed support plate (45) with high rigidity and strength is arranged between the cobble layer (42) and the water filtering layer (43), the width of the support plate (45) is larger than that of the cobble layer (42), and the thickness of the cobble layer (42) is equal to the diameter of the water permeable pipe (3).

4. The basement drainage blind ditch according to claim 1, characterized in that the bottom plate (1) is provided with a strip-shaped groove (11) butted with the drainage groove (2), the width of the strip-shaped groove (11) is larger than that of the drainage groove (2), the strip-shaped groove (11) and the drainage groove (2) are arranged in a centering way, and the strip-shaped groove (11) is detachably connected with a cover plate (12).

5. The basement drainage blind ditch according to claim 4, characterized in that a plain concrete layer (13) is further arranged between the bottom plate (1) and the filter layer (4), the drainage channel (2) extends upwards and penetrates through the plain concrete layer (13), a water stop (14) is arranged between the plain concrete layer (13) and the bottom plate (1), and the vertical section of the cover plate (12) is isosceles trapezoid.

6. The basement drainage blind ditch of claim 5, characterized in that a connecting assembly (31) is arranged between adjacent water permeable pipes (3), one end of each water permeable pipe (3) is provided with a flow sensor (34), and a flow monitoring room for receiving signals of the flow sensor (34) is arranged on the ground.

7. The basement drainage blind ditch according to claim 6, characterized in that the connecting assembly (31) comprises a flexible connecting pipe (32) connected between the adjacent permeable pipes (3), and two semicircular supporting sleeves (33) sleeved outside the flexible connecting pipe (32).

8. The basement drainage blind according to claim 1, wherein a reinforcement cage (44) is arranged outside the filter layer (4).