CN114108422A

CN114108422A - Sponge city ecological permeable pavement brick

Info

Publication number: CN114108422A
Application number: CN202111466047.3A
Authority: CN
Inventors: 纪俊全
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-03-01

Abstract

The invention belongs to the technical field of building materials, and particularly relates to a sponge urban ecological permeable pavement brick which comprises a brick body; the brick comprises a brick body, a plurality of grooves and a plurality of expansion blocks, wherein the top surface of the brick body is provided with a plurality of grooves, the width of the groove openings of the grooves is gradually increased from inside to outside, the middle parts of the grooves are connected with the expansion blocks, the expansion blocks are made of water-swelling water stop strip materials, the top ends of the expansion blocks are connected with baffle plates capable of plugging the grooves, and the brick body is internally provided with a diversion trench communicated with the bottom ends of the grooves and the bottom surface of the brick body; the groove can be plugged in sunny days, the condition that external impurities enter the groove to plug the diversion trench is reduced, the water permeable function of the pavement brick can be carried out more durably, in rainy days, rainwater can flow into the bottom end of the groove through a gap between the baffle and the groove, the expansion block expands when encountering water and jacks up the baffle, and therefore the rainwater can effectively flow out of the diversion trench through the opened groove.

Description

Sponge city ecological permeable pavement brick

Technical Field

The invention belongs to the technical field of building materials, and particularly relates to a sponge urban ecological permeable pavement brick.

Background

Modern roads, service areas squares, sidewalks and the like are mostly covered by closed road surfaces such as asphalt concrete, cement concrete, pavement bricks and the like, the closed road surfaces cannot drain water in time, water is accumulated on the road surfaces, driving is slippery in rainy days, splashing, glare at night and other hazards are caused, serious hidden dangers are brought to traffic safety, and therefore some roads are paved by the pavement bricks with good water permeability.

However, in the existing permeable pavement brick, the diversion trench is arranged on the brick body, so that when the permeable capacity of the brick is increased, impurities on the pavement easily fall into the diversion trench due to the fact that the diversion trench is exposed to the outside environment for a long time, the diversion trench is blocked, and the stable permeable capacity of the pavement brick is influenced.

Therefore, the invention provides the sponge urban ecological permeable pavement brick.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the sponge urban ecological permeable pavement brick comprises a brick body; the brick comprises a brick body, a plurality of grooves and a plurality of expansion blocks, wherein the top surface of the brick body is provided with a plurality of grooves, the width of the groove openings of the grooves is gradually increased from inside to outside, the middle parts of the grooves are connected with the expansion blocks, the expansion blocks are made of water-swelling water stop strip materials, the top ends of the expansion blocks are connected with baffle plates capable of plugging the grooves, and the brick body is internally provided with a diversion trench communicated with the bottom ends of the grooves and the bottom surface of the brick body; the water permeability of the existing permeable pavement brick is increased by arranging a diversion trench on a brick body, but impurities on the pavement easily fall into the diversion trench because the diversion trench is exposed to the external environment for a long time, so that the diversion trench is blocked, and the stable water permeability of the pavement brick is influenced; when the pavement brick is used, the bottom end of the baffle is attached to the side wall of the groove, so that the notch of the groove can be plugged, the condition that external impurities enter the groove to plug the diversion trench is reduced, rainwater can flow into the bottom end of the groove through a gap between the baffle and the groove in rainy days, the expansion block expands when encountering water and jacks up the baffle, a gap is generated between the baffle and the groove, so that the groove is not plugged by the baffle, the rainwater can effectively flow out of the diversion trench through the opened groove, when the rainwater in the expansion block evaporates and runs off in rainy days, the expansion block automatically contracts and resets, the baffle is driven to plug the notch of the groove again, the anti-blocking work of the diversion trench can be smoothly and effectively carried out, and the water permeating function of the pavement brick can be carried out more durably.

Preferably, the cross section of the baffle is in an upward-protruding arc shape, and when the expansion block drives the baffle to move upwards, the bottom end of the baffle is always lower than the horizontal plane where the top surface of the brick body is located; the baffle of arc form can reduce the road and stumble to the passerby, simultaneously through setting up the height that the baffle was expanded piece jack-up, reduces the baffle bottom because of the protrusion to the top surface of the brick body, leads to the baffle to be played disconnected condition by the passerby, has improved the life of baffle.

Preferably, a gap is reserved between the bottom end of the baffle and the side wall of the groove, an elastic membrane is connected between the bottom end of the baffle and the side wall of the groove, and a plurality of shrinkage cavities are formed in the elastic membrane; the elastic membrane that sets up can improve the shutoff effect of baffle to the recess, it is crooked to reduce the baffle to appear under the effect of external force, lead to debris from the condition of flowing into the guiding gutter between crooked baffle and the recess, and the shrinkage cavity that sets up on the elastic membrane, make things convenient for the rainwater more smooth flow into the recess inside and expand the piece contact, along with the piece that expands jack-up baffle upwards, the elastic membrane makes the opening of shrinkage cavity also bigger and bigger under the pulling force of baffle, thereby make the rainwater can more efficient flow into inside the recess.

Preferably, when the expansion block is in a non-water-absorption expansion state, the top end of the middle part of the baffle plate protrudes to the horizontal plane where the top surface of the brick body is located; when the passerby walked on the brick body, the passerby can carry out intermittent type nature to the baffle and step on for the baffle is shaken repeatedly at the bounce of inflation piece and elastic membrane, thereby can shake out the impurity between baffle top surface and the recess, reduces impurity and piles up at the elastic membrane top, and influences the inside condition of rainwater inflow recess.

Preferably, a group of telescopic bags are connected between the baffle and the bottom end of the groove, and the side wall of each telescopic bag is connected with a nozzle; when the baffle trampled to move to the recess bottom at passerby, can pass through the nozzle blowout with the gas in the expansion bag, the shrinkage cavity blowout on the elastic membrane is passed through to gas afterwards to can blow off the impurity of elastic membrane department, further reduce the condition that impurity remained in elastic membrane top surface or shrinkage cavity.

Preferably, a water drainage sleeve is horizontally arranged in the brick body at one side of the groove, the upper end surface and the lower end surface of the water drainage sleeve are respectively provided with a water drainage hole, the inside of the drainage sleeve and the drainage hole at the top are respectively provided with a water absorption block, one end of the drainage sleeve close to the groove is connected with a pressing plate in a sliding way, a spring is connected between the pressing plate and one end of the drainage sleeve far away from the groove, one surface of the pressing plate close to the groove is connected with an elastic pressing block through a connecting rod, the end part of the drainage sleeve close to the groove is connected with a sliding rod in a sliding way, one side of the sliding rod close to the pressing block is provided with a pushing block which is attached with the sliding rod, the other end of the sliding rod extends into the groove and is attached to the side wall of the expansion block, the inner wall of the water discharge sleeve corresponding to one end of the pressing plate far away from the sliding rod is connected with a limiting block, a water drainage hole which is communicated with the bottom end of the water drainage sleeve and a water drainage channel on the bottom surface of the brick body are formed in the brick body; the water absorption block arranged in the drain hole at the top of the drainage sleeve can absorb rainwater permeating in the brick body at the top, so that the rainwater at the top end of the brick body can seep downwards more quickly, the expansion block can push the push block on the slide rod to move to one side of the press block when expanding, and the press block is pushed to drive the press block to extrude the water absorption block inside the drainage sleeve, so that the rainwater adsorbed in the water absorption block is extruded and discharged through the drainage channel, when the press block moves to a limit block under the pushing of the push block, the press block continues to apply pressure to the press block along with the push block, at the moment, the press block elastically deforms and can enable the push block to cross the press block, at the moment, the press block slides back and forth in the drainage sleeve under the action of the spring, and can play a role of repeatedly extruding the rainwater adsorbed in the water absorption block inside the drainage sleeve, so that the continuous water permeation capability of the drainage sleeve is improved, when the temperature of a road surface is higher after the rain is sunny day, the rainwater remained in the water absorption block can be evaporated and absorb heat, so that the effect of cooling the road surface can be achieved.

Preferably, an elastic arc-shaped strip is connected between the bottom end of the pressing plate and the end part of the drainage sleeve far away from the sliding rod, the middle part of the arc-shaped strip is upwards protruded, and a plurality of water permeable holes are formed in the surface of the arc-shaped strip; when the clamp plate extrudees the piece that absorbs water in the drainage cover, the clamp plate can extrude the arc strip simultaneously for the arc strip middle part is upwards protruding gradually, thereby can absorb the rainwater of piece more abundant extrusion at its top, and the arc strip also can reduce the contact of the rainwater of being extruded and the piece that absorbs water simultaneously, reduces the rainwater reabsorption's that the piece that absorbs water will extrude when the extension resets the condition, has improved the drainage ability of the piece that absorbs water.

Preferably, the middle part of the top surface of the baffle is provided with an air inlet groove, an air passage for communicating the air inlet groove with the telescopic bag is formed in the baffle, and the nozzle is provided with a one-way valve for allowing air in the telescopic bag to flow out; when the pedestrian steps on the baffle top, because the shutoff of vamp to the air inlet duct for gas in the expansion bag can pass the check valve and flow to the recess in, and spout from the shrinkage cavity on the elastic membrane, and when the baffle resets, because the effect of check valve, make outside gas can only flow into the expansion bag from the air inlet duct inside, reduced the expansion bag when resetting, the air current flows in from the shrinkage cavity, lead to impurity by the condition in the shrinkage cavity of breathing in again.

Preferably, a blocking block matched with the air inlet groove in shape is arranged in the air inlet groove, the top end of the blocking block protrudes to the outer end of the air inlet groove, and an elastic body is connected between the blocking block and the air inlet groove; when the pedestrian steps on the baffle, can at first exert pressure to the shutoff piece for the shutoff piece is impressed during with its shape assorted inlet duct, thereby can be to the more effectual shutoff of inlet duct, and it is not real to reduce the vamp to the inlet duct shutoff, leads to the not good condition of bellows operating condition.

The preparation method of the sponge urban ecological permeable pavement brick is used for preparing the pavement brick and comprises the following steps:

s1: stirring and mixing the raw materials, adding the raw materials into a mold frame, and scraping the top surface of the raw materials by using a scraper to form a brick body for processing;

s2: preparing a template matched with the template frame through a mold, arranging a plurality of bumps on the template, pressing the template on the top end of the template frame to enable the top end of the brick body to be processed to form a plurality of grooves under the extrusion of the bumps, and firing in a kiln; by the method, the grooves on the brick body can be integrally formed during firing, so that the preparation efficiency of the brick body is improved;

s3: then, arranging a diversion trench on the semi-finished brick body which is fired and molded, and respectively installing a baffle plate and an expansion strip which are processed and molded in advance in the groove, thereby forming the pavement brick required by the invention; and this pavior brick can realize the function of permeating water in the rainy day, when fine day carries out the shutoff to the notch of recess, reduces the foreign matter entering recess and with the condition of guiding gutter shutoff for the function of permeating water of pavior brick goes on more lastingly.

The invention has the following beneficial effects:

1. the groove can be plugged in sunny days, the condition that external impurities enter the groove to plug the diversion trench is reduced, the water permeable function of the pavement brick can be carried out more durably, in rainy days, rainwater can flow into the bottom end of the groove through a gap between the baffle and the groove, the expansion block expands when encountering water and jacks up the baffle, and therefore the rainwater can effectively flow out of the diversion trench through the opened groove.

2. According to the invention, through setting the shape of the baffle, the stumbling of the road to passers-by can be reduced, and meanwhile, through setting the height of the baffle jacked up by the expansion block, the condition that the baffle is kicked off by passers-by due to the fact that the bottom end of the baffle protrudes to the top surface of the brick body is reduced, and the service life of the baffle is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

The invention will be further explained with reference to the drawings.

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

FIG. 2 is a schematic view of a portion of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of a partial structure of a brick body in the second embodiment;

FIG. 5 is a diagram of the method steps of the present invention;

in the figure: the brick comprises a brick body 1, a groove 2, an expansion block 3, a baffle 4, a diversion trench 5, an elastic membrane 6, a telescopic bag 7, a nozzle 8, a water drainage sleeve 9, a water drainage hole 10, a water absorption block 11, a pressing plate 12, a pressing block 13, a sliding rod 14, a pushing block 15, a limiting block 16, a water drainage channel 17, an arc-shaped strip 18, an air inlet trench 19, an air channel 20, a one-way valve 21, a blocking block 22 and an elastic body 23.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.

The first embodiment is as follows:

referring to fig. 1-3, the sponge urban ecological permeable pavement brick according to the embodiment of the invention includes a brick body 1; the top surface of the brick body 1 is provided with a plurality of grooves 2, the width of the groove openings of the grooves 2 is gradually increased from inside to outside, the middle parts of the grooves 2 are connected with expansion blocks 3, the expansion blocks 3 are made of water-swelling water stop strip materials, the top ends of the expansion blocks 3 are connected with baffle plates 4 capable of plugging the grooves 2, and the brick body 1 is internally provided with a diversion trench 5 communicating the bottom ends of the grooves 2 with the bottom surface of the brick body 1; the existing permeable pavement brick increases the permeable capacity of the brick body 1 generally by arranging the diversion trench 5 on the brick body, but because the diversion trench 5 is exposed to the external environment for a long time, impurities on the pavement easily fall into the diversion trench 5, so that the diversion trench 5 is blocked, and the stable permeable capacity of the pavement brick is influenced; when the pavement brick is used, the bottom end of the baffle 4 is attached to the side wall of the groove 2, thereby being capable of plugging the notch of the groove 2, reducing the condition that the external impurities enter the groove 2 to plug the diversion trench 5, in rainy days, rainwater can flow into the bottom end of the groove 2 through the gap between the baffle 4 and the groove 2, so that the expansion block 3 expands when meeting water and jacks up the baffle 4, a gap is generated between the baffle 4 and the groove 2, so that the baffle 4 does not block the groove 2 any more, and at the moment, rainwater can effectively flow out from the diversion trench 5 through the opened groove 2, when the rain is rainy and sunny and the rain water in the expansion block 3 is evaporated and lost, the expansion block 3 automatically contracts and resets, and drive baffle 4 and carry out the shutoff once more to recess 2 notch for the anti-blocking work of guiding gutter 5 can effectually go on smoothly, thereby makes permeable to water function of pavior brick go on more lastingly.

The cross section of the baffle 4 is in an upward-convex arc shape, and when the expansion block 3 drives the baffle 4 to move upwards, the bottom end of the baffle 4 is always lower than the horizontal plane where the top surface of the brick body 1 is located; baffle 4 of arc form can reduce the road to the passerby trip, simultaneously through setting up the height that baffle 4 was by 3 jack-ups of inflation piece, reduces 4 bottoms of baffle because of protrusion to the top surface of the brick body 1, leads to baffle 4 to be played disconnected circumstances by the passerby, has improved the life of baffle 4.

A gap is reserved between the bottom end of the baffle 4 and the side wall of the groove 2, an elastic membrane 6 is connected between the bottom end of the baffle 4 and the side wall of the groove 2, and a plurality of shrinkage cavities are formed in the elastic membrane 6; elastic membrane 6 that sets up can improve the shutoff effect of baffle 4 to recess 2, it is crooked to reduce baffle 4 to appear under the effect of external force, lead to debris from the condition that flows in guiding gutter 5 between crooked baffle 4 and the recess 2, and the shrinkage cavity that sets up on elastic membrane 6, make things convenient for the more smooth inflow recess 2 inside and the contact of inflation piece 3 of rainwater, along with inflation piece 3 with baffle 4 jack-up that makes progress, elastic membrane 6 makes the opening of shrinkage cavity also bigger and bigger under the pulling force of baffle 4, thereby make the rainwater can more efficient flow in inside recess 2.

When the expansion block 3 is in a non-water-absorption expansion state, the top end of the middle part of the baffle 4 protrudes to the horizontal plane where the top surface of the brick body 1 is; when the passerby walked on the brick body 1, the passerby can carry out intermittent type nature to baffle 4 and step on for baffle 4 shakes repeatedly at the bounce of inflation piece 3 with elastic membrane 6, thereby can shake out the impurity between 4 top surfaces of baffle and the recess 2, reduces impurity and piles up at the 6 tops of elastic membrane, and influences the inside condition of rainwater inflow recess 2.

A group of telescopic bags 7 are connected between the baffle 4 and the bottom end of the groove 2, and the side wall of each telescopic bag 7 is connected with a nozzle 8; baffle 4 is trampled down at passerby and is moved to recess 2 bottom, can pass through nozzle 8 blowout with the gas in the bellows 7, and gas is spout through the shrinkage cavity on the elastic membrane 6 afterwards to can blow away the impurity of elastic membrane 6 department, further reduce the condition that impurity remains in elastic membrane 6 top surface or shrinkage cavity.

A water drainage sleeve 9 is horizontally arranged in the brick body 1 at one side of the groove 2, the upper end face and the lower end face of the interior of the water drainage sleeve 9 are respectively provided with a water drainage hole 10, the interior of the water drainage sleeve 9 and the top water drainage hole 10 are respectively provided with a water absorption block 11, one end of the water drainage sleeve 9 close to the groove 2 is connected with a pressing plate 12 in a sliding way, a spring is connected between the pressing plate 12 and one end of the water drainage sleeve 9 far away from the groove 2, one side of the pressing plate 12 close to the groove 2 is connected with an elastic pressing block 13 through a connecting rod, the end part of the water drainage sleeve 9 close to the groove 2 is connected with a sliding rod 14 in a sliding way, one side of the sliding rod 14 close to the pressing block 13 is provided with a pushing block 15 jointed with the pressing block, the other end of the sliding rod 14 extends into the groove 2 and is jointed with the side wall of the expansion block 3, and the inner wall of the water drainage sleeve 9 corresponding to one end of the pressing plate 12 far away from the sliding rod 14 is connected with a limiting block 16, a water drainage hole 10 communicated with the bottom end of the water drainage sleeve 9 and a water drainage channel 17 on the bottom surface of the brick body 1 are formed in the brick body 1; the water absorption block 11 arranged in the drainage hole 10 at the top of the drainage sleeve 9 can absorb rainwater permeating in the top brick body 1, so that the rainwater at the top end of the brick body 1 can seep downwards more quickly, meanwhile, the expansion block 3 can push the push block 15 on the slide rod 14 to move to one side of the press block 13 when expanding, and push the press block 13 to drive the press block 12 to extrude the water absorption block 11 inside the drainage sleeve 9, so that the rainwater adsorbed inside the water absorption block 11 is extruded and discharged through the drainage channel 17, when the press block 13 moves to the position of the limit block 16 under the pushing of the push block 15, the press block 13 continues to apply pressure to the press block 13 along with the push block 15, at the moment, the press block 13 is elastically deformed, and the push block 15 can cross the press block 13, at the moment, the press block 12 slides back and forth inside the drainage sleeve 9 under the action of the spring, and can repeatedly extrude the rainwater adsorbed in the water absorption block 11 inside the drainage sleeve 9, thereby improved the ability that the drainage cover 9 lasts the ventilative, when the rainy day is fine and the road surface temperature is higher, the rainwater that remains in the piece 11 that absorbs water can evaporate the heat absorption to can play the effect of cooling to the road surface.

An elastic arc-shaped strip 18 is connected between the bottom end of the pressing plate 12 and the end part of the drainage sleeve 9 far away from the sliding rod 14, the middle part of the arc-shaped strip 18 is upwards protruded, and a plurality of water permeable holes are formed in the surface of the arc-shaped strip 18; when the clamp plate 12 extrudees the piece 11 that absorbs water in the drainage cover 9, the clamp plate 12 can extrude the arc strip 18 simultaneously for the arch strip 18 middle part makes progress gradually, thereby can absorb the rainwater of piece 11 more abundant extrusion at its top, the contact of the rainwater that is extruded and the piece 11 that absorbs water also can be reduced to arc strip 18 simultaneously, reduce the rainwater reabsorption's that the piece 11 that absorbs water will extrude when the extension resets the condition, the drainage ability of the piece 11 that absorbs water has been improved.

Example two:

as shown in fig. 4, a first comparative example, in which another embodiment of the present invention is: an air inlet groove 19 is formed in the middle of the top surface of the baffle plate 4, an air passage 20 communicating the air inlet groove 19 with the telescopic bag 7 is formed in the baffle plate 4, and a one-way valve 21 allowing air in the telescopic bag 7 to flow out is mounted on the nozzle 8; when a pedestrian steps on the top end of the baffle plate 4, due to the fact that the shoe faces the air inlet groove 19 in a blocking mode, air in the telescopic bag 7 can flow out of the groove 2 through the one-way valve 21 and is sprayed out of the shrinkage cavity in the elastic membrane 6, when the baffle plate 4 is reset, due to the effect of the one-way valve 21, the outside air can only flow into the telescopic bag 7 from the air inlet groove 19, and the situation that when the telescopic bag 7 is reset, air flow flows in from the shrinkage cavity and impurities are sucked into the shrinkage cavity again is reduced.

A blocking block 22 matched with the air inlet groove 19 in shape is arranged in the air inlet groove 19, the top end of the blocking block 22 protrudes to the outer end of the air inlet groove 19, and an elastic body 23 is connected between the blocking block 22 and the air inlet groove 19; when a pedestrian steps on the baffle 4, pressure is firstly applied to the blocking block 22, so that the blocking block 22 is pressed into the air inlet groove 19 matched with the shape of the blocking block, the air inlet groove 19 can be blocked more effectively, and the condition that the shoe face is not blocked to the air inlet groove 19, and the working condition of the telescopic bag 7 is not good is reduced.

As shown in FIG. 5, the preparation method of the sponge urban ecological permeable pavement brick is used for preparing the pavement brick and comprises the following steps:

s1: stirring and mixing the raw materials, adding the raw materials into a mold frame, and scraping the top surface of the raw materials by using a scraper to form a brick body 1 for processing;

s2: preparing a template matched with the template frame through a mold, arranging a plurality of bumps on the template, pressing the template on the top end of the template frame to enable the top end of the brick body 1 to be processed to form a plurality of grooves 2 under the extrusion of the bumps, and performing kiln firing; by the method, the groove 2 on the brick body 1 can be integrally formed during firing, so that the preparation efficiency of the brick body 1 is improved;

s3: then, arranging a diversion trench 5 on the semi-finished brick body 1 which is formed by firing, and respectively installing a baffle 4 and an expansion strip which are formed in advance in the groove 2, thereby forming the pavement brick required by the invention; and this pavior brick can realize the function of permeating water in the rainy day, carries out the shutoff to the notch of recess 2 in fine day, reduces the external impurity and gets into recess 2 and with the condition of 5 shutoff of guiding gutter for the function of permeating water of pavior brick goes on more lastingly.

The working principle is as follows: the bottom end of the baffle 4 is attached to the side wall of the groove 2, so that the notch of the groove 2 can be plugged, the condition that external impurities enter the groove 2 to plug the diversion trench 5 is reduced, in rainy days, rainwater can flow into the bottom end of the groove 2 through the gap between the baffle 4 and the groove 2, so that the expansion block 3 expands when meeting water and jacks up the baffle 4, a gap is generated between the baffle 4 and the groove 2, so that the baffle 4 does not block the groove 2 any more, and at the moment, rainwater can effectively flow out from the diversion trench 5 through the opened groove 2, when the rain is rainy and sunny and the rain water in the expansion block 3 is evaporated and lost, the expansion block 3 automatically contracts and resets, the baffle 4 is driven to plug the notch of the groove 2 again, so that the anti-blocking work of the diversion trench 5 can be smoothly and effectively carried out, and the water permeable function of the pavement brick can be carried out more durably; the arc-shaped baffle 4 can reduce stumbling of a road to passers, and meanwhile, the height of the baffle 4 jacked up by the expansion block 3 is set, so that the situation that the baffle 4 is kicked off by the passers due to the fact that the bottom end of the baffle 4 protrudes to the top surface of the brick body 1 is reduced, and the service life of the baffle 4 is prolonged; the elastic membrane 6 can improve the blocking effect of the baffle 4 on the groove 2, the situation that impurities flow into the diversion trench 5 from the space between the inclined baffle 4 and the groove 2 due to the fact that the baffle 4 is inclined under the action of external force is reduced, the shrinkage cavity formed in the elastic membrane 6 facilitates rainwater to smoothly flow into the groove 2 to be contacted with the expansion block 3, and as the expansion block 3 jacks the baffle 4 upwards, the opening of the shrinkage cavity is increased under the tensile force of the baffle 4 by the elastic membrane 6, so that rainwater can flow into the groove 2 more efficiently; when a passerby walks on the brick body 1, the passerby can step on the baffle 4 intermittently, so that the baffle 4 shakes repeatedly under the rebounding force of the expansion block 3 and the elastic membrane 6, impurities between the top surface of the baffle 4 and the groove 2 can be shaken out, and the condition that rainwater flows into the groove 2 due to accumulation of the impurities on the top of the elastic membrane 6 is reduced; when the baffle 4 moves towards the bottom end of the groove 2 under the treading of a passerby, the gas in the expansion bag 7 can be sprayed out through the nozzle 8, then the gas is sprayed out through the shrinkage cavity on the elastic membrane 6, and impurities at the elastic membrane 6 can be blown away, so that the situation that the impurities are remained on the top surface or in the shrinkage cavity of the elastic membrane 6 is further reduced; the water absorption block 11 arranged in the drainage hole 10 at the top of the drainage sleeve 9 can absorb rainwater permeating in the top brick body 1, so that the rainwater at the top end of the brick body 1 can seep downwards more quickly, meanwhile, the expansion block 3 can push the push block 15 on the slide rod 14 to move to one side of the press block 13 when expanding, and push the press block 13 to drive the press block 12 to extrude the water absorption block 11 inside the drainage sleeve 9, so that the rainwater adsorbed inside the water absorption block 11 is extruded and discharged through the drainage channel 17, when the press block 13 moves to the position of the limit block 16 under the pushing of the push block 15, the press block 13 continues to apply pressure to the press block 13 along with the push block 15, at the moment, the press block 13 is elastically deformed, and the push block 15 can cross the press block 13, at the moment, the press block 12 slides back and forth inside the drainage sleeve 9 under the action of the spring, and can repeatedly extrude the rainwater adsorbed in the water absorption block 11 inside the drainage sleeve 9, the continuous water permeability of the drainage sleeve 9 is improved, and when the temperature of the road surface is high after raining on a sunny day, the rainwater remained in the water absorption block 11 can evaporate and absorb heat, so that the effect of cooling the road surface can be achieved; when the pressing plate 12 presses the water absorption block 11 in the drainage sleeve 9, the pressing plate 12 can simultaneously press the arc-shaped strips 18, so that the middle parts of the arc-shaped strips 18 gradually protrude upwards, rainwater on the water absorption block 11 at the top of the arc-shaped strips can be more fully extruded, meanwhile, the arc-shaped strips 18 can also reduce the contact between the extruded rainwater and the water absorption block 11, the situation that the extruded rainwater is re-absorbed when the water absorption block 11 is extended and reset is reduced, and the drainage capacity of the water absorption block 11 is improved; when a pedestrian steps on the top end of the baffle plate 4, the gas in the telescopic bag 7 can flow out of the groove 2 through the one-way valve 21 and is sprayed out of the shrinkage cavity on the elastic membrane 6 due to the blocking of the shoe surface to the air inlet groove 19, and when the baffle plate 4 is reset, the external gas can only flow into the telescopic bag 7 from the air inlet groove 19 due to the action of the one-way valve 21, so that the condition that impurities are sucked into the shrinkage cavity again due to the inflow of the air flow from the shrinkage cavity when the telescopic bag 7 is reset is reduced; when a pedestrian steps on the baffle 4, pressure is firstly applied to the blocking block 22, so that the blocking block 22 is pressed into the air inlet groove 19 matched with the shape of the blocking block, the air inlet groove 19 can be blocked more effectively, and the condition that the shoe face is not blocked to the air inlet groove 19, and the working condition of the telescopic bag 7 is not good is reduced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The sponge urban ecological permeable pavement brick comprises a brick body (1); the method is characterized in that: a plurality of recesses (2) have been seted up on the brick body (1) top surface, the notch width of recess (2) is crescent from inside to outside, the middle part of recess (2) is connected with inflation piece (3), inflation piece (3) are made by water inflation sealing strip material, inflation piece (3) top is connected with baffle (4) that can carry out the shutoff to recess (2), the inside guiding gutter (5) of intercommunication recess (2) bottom and the brick body (1) bottom surface of seting up of brick body (1).

2. The sponge urban ecological permeable pavement brick according to claim 1, characterized in that: the cross-sectional shape of baffle (4) sets to the bellied arc form that makes progress, just when inflation piece (3) drive baffle (4) upward movement, the bottom of baffle (4) is less than the horizontal plane at brick body (1) top surface place all the time.

3. The sponge urban ecological permeable pavement brick according to claim 2, characterized in that: there is the clearance between the bottom of baffle (4) and the lateral wall of recess (2), just be connected with elastic membrane (6) between the bottom of baffle (4) and the lateral wall of recess (2), a plurality of shrinkage cavities have been seted up on elastic membrane (6).

4. The sponge urban ecological permeable pavement brick according to claim 3, characterized in that: when the expansion block (3) is in a non-water-absorption expansion state, the top end of the middle part of the baffle (4) protrudes to the horizontal plane where the top surface of the brick body (1) is located.

5. The sponge urban ecological permeable pavement brick according to claim 4, characterized in that: a group of telescopic bags (7) are connected between the baffle (4) and the bottom end of the groove (2), and nozzles (8) are connected on the side walls of the telescopic bags (7).

6. The sponge urban ecological permeable pavement brick according to claim 1, characterized in that: a drainage sleeve (9) is horizontally arranged in the brick body (1) on one side of the groove (2), drain holes (10) are respectively formed in the upper end face and the lower end face of the interior of the drainage sleeve (9), water absorption blocks (11) are respectively arranged in the interior of the drainage sleeve (9) and the top drain hole (10), one end, close to the groove (2), of the drainage sleeve (9) is connected with a pressing plate (12) in a sliding mode, a spring is connected between the pressing plate (12) and one end, far away from the groove (2), of the drainage sleeve (9), one side, close to the groove (2), of the pressing plate (12) is connected with an elastic pressing block (13) through a connecting rod, the end, close to the groove (2), of the drainage sleeve (9) is connected with a sliding rod (14) in a sliding mode, a pushing block (15) attached to the sliding block (13) is arranged on one side, close to the pressing block (13), of the sliding rod (14) extends into the interior of the groove (2) and is attached to the side wall of the expansion block (3), the inner wall of the drainage sleeve (9) corresponding to one end, far away from the sliding rod (14), of the pressing plate (12) is connected with a limiting block (16), and a drainage hole (10) communicated with the bottom end of the drainage sleeve (9) and a drainage channel (17) in the bottom surface of the brick body (1) are formed in the brick body (1).

7. The sponge urban ecological permeable pavement brick according to claim 6, characterized in that: an elastic arc-shaped strip (18) is connected between the bottom end of the pressing plate (12) and the end part of the water discharge sleeve (9) far away from the sliding rod (14), the middle part of the arc-shaped strip (18) protrudes upwards, and a plurality of water permeable holes are formed in the surface of the arc-shaped strip (18).

8. The sponge urban ecological permeable pavement brick according to claim 5, characterized in that: air inlet duct (19) have been seted up at the top surface middle part of baffle (4), air flue (20) of intercommunication air inlet duct (19) and expansion bag (7) are seted up to baffle (4) inside, install check valve (21) that can supply expansion bag (7) inside gas outflow on nozzle (8).

9. The sponge urban ecological permeable pavement brick according to claim 8, characterized in that: the inside shutoff piece (22) that is equipped with shape assorted with it of air inlet duct (19), the top of shutoff piece (22) is salient to the outer end of air inlet duct (19), be connected with elastomer (23) between shutoff piece (22) and air inlet duct (19).

10. A process for the preparation of a sponge urban ecological permeable pavement brick, for the preparation of a pavement brick according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

s1: stirring and mixing the raw materials, adding the raw materials into a mold frame, and scraping the top surface of the raw materials by using a scraper to form a brick body (1) for processing;

s2: preparing a template matched with the template frame through a mold, arranging a plurality of bumps on the template, pressing the template on the top end of the template frame to enable the top end of the brick body (1) to be processed to form a plurality of grooves (2) under the extrusion of the bumps, and performing kiln firing;

s3: then, a diversion trench (5) is arranged on the semi-finished brick body (1) which is formed by firing, and a baffle (4) and an expansion strip which are formed in advance are respectively arranged in the groove (2), so that the pavement brick required by the invention is formed.