CN207892004U - A kind of stair slope way drainage arrangement - Google Patents

Abstract

The utility model discloses a kind of stair slope way drainage arrangements, belong to drainage arrangement field, it is intended to provide a kind of sewage made in sewer and is not susceptible to the stair slope way drainage arrangement poured in down a chimney, its drip irrigation device is as follows, a kind of stair slope way drainage arrangement, including landing, the landing is made of several steps, the both sides of the landing are provided with guardrail, one end of several steps is equipped at intervals with several catch-basins for collecting rainwater, several rainwater downhole ends are communicated with downcomer, several downcomer lower ends are communicated with drainpipe, one-way water stop part is installed in the downcomer.The utility model is suitable for the timely draining of stair.

Description

A kind of stair slope way drainage arrangement

Technical field

The utility model is related to a kind of construction drainage device, more particularly to a kind of stair slope way drainage arrangement.

Background technology

Exterior stair is exactly the stair being located at outside building, is used in many public places, such as law court, library, body Shop etc. is educated, fire-fighting evacuation stair are also can be used as, simple step is taken in structure, prevents take up indoor effective building sides Product, when the shape handles are proper, moreover it is possible to increase wind coloured silk for building, still, when rainy, exterior stair holds very much due to not blocking It is also easy to produce ponding, can bring many inconvenience to pedestrian, is badly in need of a kind of device that capableing of Quick drainage to solve the problems, such as ponding.

Notification number is that the Chinese patent of CN205116586U discloses a kind of stair slope way drainage arrangement, it is included in stair The one or both ends of platform and some of stairway steps are equipped with the catch-basin for collecting rainwater, wherein landing plane And stairway step plane has the descending extended to catch-basin；It is correspondingly provided with catch-basin side in stair and longitudinal drainage is installed Pipe, the bottom end connection sewer or massif of longitudinal drainage pipe；Vertical row is installed between the catch-basin and longitudinal drainage pipe Water pipe, catch-basin are connected to longitudinal drainage pipe by vertical drainage pipe.

Although this stair slope way drainage arrangement can in time discharge the ponding on stair, catch-basin connection is vertical To drainpipe, longitudinal drainage pipe connection sewer is easy to happen and pours in down a chimney, make in sewer when the hydraulic pressure in sewer is excessive Dirt stair are entered by catch-basin, but also will produce stench, influence the normal use of stair.

Utility model content

The purpose of this utility model is to provide a kind of stair slope way drainage arrangement, and having makes the sewage in sewer be not easy to send out Raw the advantages of pouring in down a chimney.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of stair slope way drainage arrangement, drainage arrangement are arranged on landing, and the landing is by several steps Composition, the both sides of the landing are provided with guardrail, several rain for collecting rainwater are equipped at intervals on several steps Well, the catch-basin are located at one end of step, and several rainwater downhole ends are communicated with downcomer, under several downcomers End is communicated with drainpipe, and one-way water stop part is equipped in the downcomer.

By using above-mentioned technical proposal, rainwater is collected by catch-basin, rainwater flow to drainpipe along downcomer, drains Rainwater is drained into sewer by pipe, can in time be exhausted rainwater, and rainwater is made to be not easy to remain on step；It is arranged in downcomer One-way water stop part, during draining, one-way water stop part smoothly can be such that rainwater is discharged, and when not draining, unidirectionally Sealing part can seal downcomer, when the hydraulic pressure in sewer is excessive, will not pour in down a chimney, will not make the dirt in sewer Object enters stair by catch-basin, and during long-time service, one-way water stop part can reduce stench from catch-basin to stair It distributes, makes people's more safety and comfort when using stair.

Further, the one-way water stop part includes the position-limiting drum being fixedly connected with downcomer inner wall and is located in position-limiting drum And the sleeve being adapted to position-limiting drum, the position-limiting drum bottom are connected with limiting plate, are offered on the limiting plate circular Drainage hole；

Side of the sleeve far from limiting plate is connected with round table-like sealing block, and bullet is provided in the sleeve One end of spring, the spring is fixedly connected with limiting plate, and the other end is fixedly connected with sealing block close to the side of limiting plate, described Sleeve shows several permeable holes close to the side outer wall Circle-Array of sealing block；

The caliber of the downcomer is more than the caliber of sleeve, the downcomer be located above position-limiting drum equipped with outside sealing block Side wall adaptation keeps out ring.

By using above-mentioned technical proposal, when downcomer drains, the gravity of lower water is more than the elastic force of spring, and spring is downward Compression makes sealing block and keeps out ring disengaging, and rainwater enters downcomer from catch-basin, by sealing block and keeps out the gap between ring Permeable hole is reached, sleeve is entered by permeable hole, drainpipe, drainpipe are drained into along downcomer by the drainage hole on limiting plate With water passage, rainwater is drained into sewer, the rainwater on step is enable to be discharged in time, improves stair when in use Safety；When downcomer does not drain, under the return action of spring, spring generates a upward elastic force, makes sealing block It is contradicted with ring is kept out, downcomer is sealed, even the pressure in downcomer is excessive, makes sewage upruss, sewage pair Sealing block generates one and upwards pressure, and makes sealing block and keeps out to press even closer between ring, make sewage that can not be poured in down a chimney, Dirt in sewer will not enter stair by downcomer；In addition, during long-term use, sealing block and keep out ring into The stench that row sealing can reduce sewer is distributed to outside stair, keeps people more comfortable when using stair.

Further, the lateral wall of the sealing block is equipped with sealing ring.

By using above-mentioned technical proposal, sealing ring made of rubber further improves sealing block and keeps out between ring Leakproofness, make sewage in sewer be not easy to pour in down a chimney；Simultaneously, additionally it is possible to which the stench for reducing sewer is distributed to outside stair, is improved The comfort that stair use.

Further, the sleeve outer wall is symmetrically arranged with vertical gib block, and the position-limiting drum vertically opens up There is guide groove.

By using above-mentioned technical proposal, under the cooperation of guide groove and gib block, enable sleeve along vertical direction Into line slip, without rotating so that spring will not be distorted deformation, extend the service life of spring.

Further, the step for being provided with catch-basin tilts down to form descending to catch-basin, the descending and water Angle between plane is 0 ° to 15 °, on the step along its length on be provided with several guiding gutters.

By using above-mentioned technical proposal, the descending being obliquely installed can be such that rainwater flows downwards, and rainwater is made to be easier It flows into catch-basin, to improve drainage rates；The setting of guiding gutter can play guiding function to rainwater, enable rainwater more It flows into catch-basin soon, in addition, the setting of guiding gutter, can increase the surface roughness of step, makes pedestrian be not easy to slip, carry The safety of high stair when in use.

Further, the water inlet on the downcomer positioned at catch-basin offers annular groove, is embedded in the annular groove Flase floor.

By using above-mentioned technical proposal, flase floor can play rainwater preliminary filtration, can compare some The foreign body filterings such as big blade and stone fall, and foreign matter is made to be not easily accessible downcomer and block, and keep draining more smooth, carry High drainage efficiency.

Further, the downcomer, which is located at below annular groove, is inwardly connected with flanging, is linked at the flanging Filter bowl, the filter cup downside are equipped with several filtration holes.

By using above-mentioned technical proposal, filter cup is hung on rhone lower end by flanging, and filter cup is further to rain Water is filtered, and can fall the foreign body filterings such as hair, foreign matter is made to be not easily accessible downcomer and block, keep draining more suitable Freely, drainage efficiency is improved.

Further, the downcomer is rotatably connected to bamboo-carbon layer between annular groove and flanging.

By using above-mentioned technical proposal, the bamboo-carbon layer with rotation connection in the middle part of rhone is in draining, in the weight of rainwater Under force effect, vertical state can be turned to, keep draining more smooth, when not draining, can be in horizontality, can adsorb from The stench that sewer leaks makes stench be not easy to be dispersed into outside stair, further increases the comfort of stair when in use.

In conclusion the utility model has the advantages that：

1. using one-way water stop part, make the effect that effluent sewerage is not susceptible to pour in down a chimney to generate；

2. use sealing ring, further increases sealing block to produce and keep out the leakproofness between ring, make lower water Sewage is not easy the effect poured in down a chimney in road；

3. use guide groove and, so that spring is not distorted deformation to produce, extend the service life of spring Effect.

Description of the drawings

Fig. 1 is in the present embodiment for embodying whole structural schematic diagram；

Fig. 2 is the partial enlarged view in the portions A in Fig. 1；

Fig. 3 is the partial enlarged view in the portions B in Fig. 2.

In figure, 1, landing；11, step；111, descending；112, guiding gutter；12, guardrail；13, catch-basin；2, lower water Pipe；21, drainpipe；22, one-way water stop part；221, position-limiting drum；2211, guide groove；222, limiting plate；2221, drainage hole；223、 Sleeve；2231, sealing block；2232, spring；2233, permeable hole；2234, sealing ring；2235, gib block；224, ring is kept out；23、 Annular groove；231, flase floor；24, flanging；241, filter cup；2411, filtration hole；25, bamboo-carbon layer.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.

A kind of stair slope way drainage arrangement, as shown in Figure 1, drainage arrangement be arranged on landing 1, landing 1 by Several steps 11 form, and the both sides of landing 1 are arranged by the guardrail 12 for preventing pedestrian from falling.

As shown in Fig. 2, rainwater is past dirty along step 11 when raining, it is easy to form ponding, therefore, every in step 11 Several steps 11 are provided with drainage arrangement at one, one end be equipped with catch-basin 13 for collecting rainwater, 13 lower end of catch-basin One-to-one correspondence is communicated with downcomer 2, and 2 lower end of downcomer is communicated with drainpipe 21, and rainwater is emitted into sewer by drainpipe 21.

As shown in Fig. 2, in order to enable rainwater to be flowed to catch-basin 13 when discharge, the platform of catch-basin 13 will be provided with Rank 11 is formed slopely descending 111 to 13 direction of catch-basin（Referring to Fig. 1）, the angle between descending 111 and horizontal plane be 0 ° extremely 15 °, on step 11 along its length on be provided with several guiding gutters 112.The descending 111 being obliquely installed can make rainwater to low Place's flowing, makes rainwater more readily flow into catch-basin 13, to improve drainage rates；The setting of guiding gutter 112, can be to rainwater Guiding function is played, so that rainwater is quickly flowed into catch-basin 13, in addition, the setting of guiding gutter 112, can increase step 11 Surface roughness, make pedestrian be not easy to slip, improve stair safety when in use.

As shown in Fig. 2, when the hydraulic pressure in sewer is excessive, the sewage in sewer, which is easy to happen, to be poured in down a chimney, and sewer is made In dirt stair are entered by catch-basin 13, but also will produce stench, influence the normal use of stair.Therefore, in Xia Shui One-way water stop part 22 is installed in pipe 2.

As shown in figure 3, one-way water stop part 22（Referring to Fig. 2）Include the position-limiting drum 221 being fixedly connected with 2 inner wall of downcomer and The sleeve 223 being adapted in position-limiting drum 221 and with position-limiting drum 221.221 bottom of position-limiting drum is connected with limiting plate 222, limit Circular drainage hole 2221 is offered on the plate 222 of position；The one end of sleeve 223 far from limiting plate 222 is connected with round table-like Sealing block 2231 is provided with spring 2232 in sleeve 223, and one end of spring 2232 is fixedly connected with limiting plate 222, the other end with Sealing block 2231 is fixedly connected close to the side of limiting plate 222, side outer wall circumference array of the sleeve 223 close to sealing block 2231 There are several permeable holes 2233；The caliber of downcomer 2 is more than the caliber of sleeve 223, and downcomer 2 is located at 221 top of position-limiting drum and is equipped with Ring 224 is kept out with what 2231 lateral wall of sealing block was adapted to, usually under the action of spring 2232, sealing block 2231 and keeps out ring 224 conflicts are sealed.When downcomer 2 drains, the gravity for being applied to the water on sealing block 2231 is more than the bullet of spring 2232 Power, spring 2232 compress downwards, make sealing block 2231 and keep out the disengaging of ring 224, rainwater enters downcomer 2 from catch-basin 13, so Rainwater by sealing block 2231 and keeps out the gap arrival permeable hole 2233 between ring 224 afterwards, and then rainwater passes through permeable hole 2233 enter in sleeve 223, and last rainwater drains into drainpipe 21 by the drainage hole 2221 on limiting plate 222 along downcomer 2 （Referring to Fig. 2）, rainwater is drained into sewer, makes step 11 by drainpipe 21 and water passage（Referring to Fig. 2）On rainwater energy Enough discharges in time, improve the safety of stair when in use；When downcomer 2 does not drain, in the return action of spring 2232 Under, so that sealing block 2231 is moved up and keep out the conflict of ring 224, downcomer 2 is sealed, even the pressure in downcomer 2 Power is excessive, so that sewage upruss, sewage is generated one to sealing block 2231 and is upwarded pressure, makes sealing block 2231 and keep out ring It presses even closer between 224, makes sewage that can not be poured in down a chimney, the dirt in sewer will not enter stair by downcomer 2； In addition, during long-term use, sealing block 2231 and keeps out ring 224 and be sealed and can reduce the stench of sewer to building It is distributed outside terraced, keeps people more comfortable when using stair.

As shown in figure 3, the lateral wall of sealing block 2231 is equipped with sealing ring 2234, sealing ring 2234 is made of rubber, close Seal 2234 further improves sealing block 2231 and keeps out the leakproofness between ring 224, and sewage in sewer is made to be not easy to pour in down a chimney； Simultaneously, additionally it is possible to which the stench for reducing sewer is distributed to outside stair, improves the comfort that stair use.

As shown in figure 3,223 outer wall of sleeve is symmetrically arranged with vertical gib block 2235, position-limiting drum 221 is vertically opened Equipped with guide groove 2211, under the cooperation of guide groove 2211 and gib block 2235, sleeve 223 is enable to carry out along vertical direction Sliding, without rotating so that spring 2232 will not be distorted deformation, the service life of extension spring 2232.

As shown in Fig. 2, since stair are built in outdoor, stair slope way drainage arrangement is outdoor during raining draining Rubbish and the foreign matters such as leaf be easily accessible catch-basin 13, cause catch-basin 13 to block, stair slope way drainage arrangement made to lose row Water function, the water inlet that downcomer 2 is located at catch-basin 13 offer annular groove 23, flase floor 231 are embedded in annular groove 23.Grid Plate 231 can play rainwater preliminary filtration, can fall the foreign body filterings such as some bigger blades and stone, make Foreign matter is not easily accessible downcomer 2 and blocks, and keeps draining more smooth, improves drainage efficiency.

As shown in Fig. 2, downcomer 2, which is located at 23 lower section of annular groove, is inwardly connected with flanging 24, it was linked at flanging 24 Filter bowl 241,241 upper end of filter cup are equipped with outer rim, and lower face and 24 upper surface of flanging of the outer rim of filter cup 241 contradict, filtering 241 downside of cup is equipped with several filtration holes 2411.Filter cup 241 is hung on rhone lower end by flanging 24, filter cup 241 into One step is filtered rainwater, can fall the foreign body filterings such as hair, so that foreign matter is not easily accessible downcomer 2 and is blocked, make Draining is more smooth, improves drainage efficiency.

As shown in Fig. 2, downcomer 2 is rotatablely connected the bamboo-carbon layer for being useful for absorption peculiar smell between annular groove 23 and flanging 24 25, in drainage procedure, bamboo-carbon layer 25 can turn to vertical state under the gravity of rainwater, keep draining more smooth； When not draining, bamboo-carbon layer 25 can be in horizontality, can adsorb the stench leaked from sewer, stench is made to be not easy to distribute To outside stair, the comfort of stair when in use is further increased.

Specific implementation process：

When rainy, rainwater is collected by descending 111 on step 11 and guiding gutter 112 to catch-basin 13, and rainwater is downward It being discharged in water pipe 2, first passes around flase floor 231, flase floor 231 tentatively filters rainwater, under the gravity of rainwater, Bamboo-carbon layer 25 can turn to vertical state, and then rainwater can pass through filter cup 241, and filter cup 241 further carried out rainwater Filter, then rainwater continues to flow along downcomer 2, due to rainwater gravity be more than spring 2232 elastic force, make spring 2232 to Lower compression makes sealing block 2231 and keeps out to form gap between ring 224, and rainwater reaches permeable hole 2233 through gap, through permeable hole 2233 enter sleeves 223, and drainpipe 21 is discharged into along downcomer 2 through the drainage hole 2221 on limiting plate 222, and drainpipe 21 is by rainwater Drain into sewer；

When not raining, under the return action of spring 2232, the elastic force of spring 2232 makes sealing block 2231 and keeps out ring 224 contradict, and are sealed to downcomer 2, even the pressure in downcomer 2 is excessive, make sewage upruss, sewage is to sealing Block 2231 generates one and upwards pressure, and makes sealing block 2231 and keep out to press even closer between ring 224, makes sewage can not be into Row pours in down a chimney, and the dirt in sewer will not enter stair by downcomer 2, meanwhile, bamboo-carbon layer 25 can usually be in horizontal State can adsorb the stench leaked from sewer, and stench is made to be not easy to be dispersed into outside stair.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of stair slope way drainage arrangement, drainage arrangement is arranged on landing (1), and the landing (1) is by several Step (11) forms, and the both sides of the landing (1) are provided with guardrail (12), it is characterized in that：On several steps (11) Several catch-basins (13) for collecting rainwater are equipped at intervals with, the catch-basin (13) is located at one end of step (11), Ruo Gansuo It states catch-basin (13) lower end and is communicated with downcomer (2), several downcomer (2) lower ends are communicated with drainpipe (21), under described One-way water stop part (22) is installed in water pipe (2).

2. a kind of stair slope way drainage arrangement according to claim 1, it is characterized in that：The one-way water stop part (22) includes It the position-limiting drum (221) that is fixedly connected with downcomer (2) inner wall and is adapted in the position-limiting drum (221) and with position-limiting drum (221) Sleeve (223), position-limiting drum (221) bottom are connected with limiting plate (222), circle are offered on the limiting plate (222) The drainage hole (2221) of shape；

Side of the sleeve (223) far from limiting plate (222) is connected with round table-like sealing block (2231), the sleeve (223) in be provided with spring (2232), one end of the spring (2232) is fixedly connected with limiting plate (222), the other end with it is close Envelope block (2231) is fixedly connected close to the side of limiting plate (222), and the sleeve (223) is outside the side of sealing block (2231) Wall Circle-Array shows several permeable holes (2233)；

The caliber of the downcomer (2) is more than the caliber of sleeve (223), and the downcomer (2), which is located above position-limiting drum (221), to be set Have and keeps out ring (224) with what sealing block (2231) lateral wall was adapted to.

3. a kind of stair slope way drainage arrangement according to claim 2, it is characterized in that：The outside of the sealing block (2231) Wall is equipped with sealing ring (2234).

4. a kind of stair slope way drainage arrangement according to claim 3, it is characterized in that：Sleeve (223) outer wall is symmetrical It is provided with vertical gib block (2235), the position-limiting drum (221) vertically offers guide groove (2211).

5. a kind of stair slope way drainage arrangement according to claim 4, it is characterized in that：It is provided with the described of catch-basin (13) Step (11) tilts down to form descending (111) to catch-basin (13), and angle of the descending (111) between horizontal plane is 0 ° To 15 °, on the step (11) along its length on be provided with several guiding gutters (112).

6. a kind of stair slope way drainage arrangement according to claim 5, it is characterized in that：It is located at rain on the downcomer (2) The water inlet of well (13) offers annular groove (23), and flase floor (231) is embedded in the annular groove (23).

7. a kind of stair slope way drainage arrangement according to claim 6, it is characterized in that：The downcomer (2) is located at annular groove (23) lower section is inwardly connected with flanging (24), and filter cup (241), the filter cup are linked at the flanging (24) (241) downside is equipped with several filtration holes (2411).

8. a kind of stair slope way drainage arrangement according to claim 7, it is characterized in that：The downcomer (2) is located at annular groove (23) bamboo-carbon layer (25) is rotatably connected between flanging (24).