CN217499812U - Afforestation environmental protection brick that permeates water - Google Patents

Afforestation environmental protection brick that permeates water Download PDF

Info

Publication number
CN217499812U
CN217499812U CN202123138645.6U CN202123138645U CN217499812U CN 217499812 U CN217499812 U CN 217499812U CN 202123138645 U CN202123138645 U CN 202123138645U CN 217499812 U CN217499812 U CN 217499812U
Authority
CN
China
Prior art keywords
wall
groove
seted
sleeved
infiltration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123138645.6U
Other languages
Chinese (zh)
Inventor
杨洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jingyang County Jisheng Building Materials Co ltd
Original Assignee
Jingyang County Jisheng Building Materials Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jingyang County Jisheng Building Materials Co ltd filed Critical Jingyang County Jisheng Building Materials Co ltd
Priority to CN202123138645.6U priority Critical patent/CN217499812U/en
Application granted granted Critical
Publication of CN217499812U publication Critical patent/CN217499812U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Road Paving Structures (AREA)

Abstract

The utility model relates to an afforestation environmental protection field indicates a afforestation environmental protection brick that permeates water especially, which comprises a body, the infiltration groove has been seted up to the top wall of body, the outer wall in infiltration groove is provided with the waffle slab, the catch basin has all been seted up to the both sides that the top of body is located the infiltration groove, the inside of catch basin is provided with the bull stick, the outer wall of bull stick is provided with the rotor, the outer wall of bull stick has cup jointed the carousel, the outer wall of catch basin is provided with the screen cloth, the pivot has been cup jointed to the one end of bull stick, the outer wall of pivot has cup jointed the noose. This afforestation environmental protection brick that permeates water can increase the holistic separation nature of body, lies in one side of barrier layer through the inside of body and sets up the anticorrosive coating that the outer wall is provided with inorganic coating, can increase the holistic anticorrosive nature of body, sets up through the bottom of body inside and has doped the polypropylene fiber permeable bed, can increase the holistic permeability of body, has increased the holistic quality of body.

Description

Afforestation environmental protection brick that permeates water
Technical Field
The utility model relates to an afforestation environmental protection equipment technical field indicates a afforestation environmental protection brick that permeates water especially.
Background
The raw materials of the water permeable brick are common macadam and concrete, and the water permeable brick is manufactured by pressing through a machine, the water permeable brick is firstly arranged in the Netherlands, and when the water permeable brick is paved, a gap of 2 mm is reserved between the brick and the brick, so that rainwater can directly permeate the underground, and the water permeable brick is named as the water permeable brick.
The existing water permeable bricks easily cause rainwater accumulation in rainy days, form water pits around the bricks, are inconvenient for passerby to walk, have poor permeability and corrosion resistance, and are soaked in rainwater and contacted with soil for a long time, so that the service life of the whole brick is easily shortened.
Therefore, the environment-friendly water permeable brick for landscaping is urgently needed.
SUMMERY OF THE UTILITY MODEL
For solving the problem that the brick that permeates water can not be reasonable in rainy day to the rainwater discharge the mediation and holistic permeability and the relatively poor corrosion resisting property, consequently, the utility model aims to provide a brick permeates water in afforestation environmental protection.
The utility model provides a pair of afforestation environmental protection brick that permeates water, which comprises a body, the infiltration groove has been seted up to the top wall of body, the outer wall in infiltration groove is provided with the waffle slab, the catch basin has all been seted up to the both sides that the top of body is located the infiltration groove, the inside of catch basin is provided with the bull stick, the outer wall of bull stick is provided with the rotor, the carousel has been cup jointed to the outer wall of bull stick, the outer wall of catch basin is provided with the screen cloth, the pivot has been cup jointed to the one end of bull stick, the mantle rope has been cup jointed to the outer wall of pivot, the outer wall of mantle rope is provided with the buoy, the one end of mantle rope is connected with the arm-tie.
The anti-skid layer has been seted up to the outer wall of body, the barrier layer has been seted up to the inside of body, the anticorrosive coating has been seted up to one side that the inside of body is located the barrier layer, the permeable bed has been seted up to the bottom of body.
Preferably, a through groove is formed in the joint of the water storage groove and the permeation groove, one end of the rotary table is sleeved inside the through groove, and the cross sectional area of the through groove is the same as that of the rotary table.
Preferably, the outer wall of carousel is provided with the latch, the tooth's socket has all been seted up to the outer wall both sides of grating, and the size of tooth's socket is the same with the size of latch.
Preferably, the bearings are sleeved at the two ends of the grid plate, the extension spring is arranged on the inner wall of the penetration groove, and one end of the extension spring is connected with the bearing.
Preferably, the contact department of the inner wall both sides in infiltration groove and arm-tie has seted up water drainage tank, and water drainage tank's size is the same with the arm-tie size, and one side of arm-tie and one side of water drainage tank set up to closely laminating.
Preferably, the outer wall of the rotating shaft is provided with a winding groove, a sleeve rope is sleeved inside the winding groove, and the sleeve rope and the rotating shaft are connected in a staggered and sleeved mode.
Preferably, the outer wall of skid resistant course is provided with the rubber pad, the material of barrier layer sets up to the granite aggregate, the outer wall of anticorrosive coating is provided with inorganic coating, the inside doping of permeable bed has polypropylene fiber.
The working principle is as follows: when the utility model is operated and used, as shown in figures 1 to 5, the infiltration groove internally sleeved with the grid plate is arranged on the top end of the body, the bearing arranged inside the infiltration groove is sleeved on both ends of the grid plate, the extension spring arranged on the inner wall of the infiltration groove is connected with one end of the bearing, the water storage grooves are arranged on both sides of the infiltration groove on the top end of the body, the outer wall of the water storage groove is sleeved with the rotating piece, the rotating rod of the rotating piece is sleeved on the outer wall of the water storage groove, the penetrating groove is arranged on the contact part of the water storage groove and the infiltration groove, the rotating shaft is sleeved on one end of the rotating rod, the rolling groove is arranged on the outer wall of the rotating shaft, the loop rope of the buoy is sleeved on the outer wall of the rolling groove, when rainwater is gathered inside the water storage groove to a certain degree, the buoy can float upwards through the rainwater, thereby driving the pulling plate connected with one end of the loop rope to rise, rainwater gathered inside the water storage tank is discharged through a water drainage tank arranged at the contact part of the inner wall of the infiltration tank and the water storage tank, meanwhile, the limit fixation of a rotating shaft can be released, the rotating rod with a rotating sheet arranged on the outer wall is driven to rotate by the rainwater, so that the rotating shaft winds up a loop rope, the outer wall of the rotating disc is provided with a latch, the latch and tooth sockets arranged on the two sides of the outer wall of a grid plate can be released, the rotating disc rotates to drive the grid plate to turn over, water stored inside the grid plate is discharged, the rainwater can be effectively prevented from gathering around the body in rainy days, and pedestrians can walk conveniently, an anti-skid layer is arranged on the outer wall of the body, a rubber pad is arranged on the outer wall of the anti-skid layer, the integral anti-skid property of the body can be increased, a material is arranged inside the body to form a granite aggregate barrier layer, and the integral barrier property of the body can be increased, the anticorrosive coating that the outer wall was provided with inorganic coating is seted up to one side that is located the barrier layer through the inside of body, can increase the holistic anticorrosive ability of body, has seted up the inside polypropylene fiber permeable bed that is doped through the bottom of body, can increase the holistic permeability of body.
The utility model discloses a technological means can obtain the technological effect does:
(1) the utility model discloses a set up catch basin, the bull stick, the rotor, the carousel, the screen cloth, the pivot, the noose, the buoy, the arm-tie, set up the infiltration groove that the inside has cup jointed the grid board through the top of body, all cup jointed the bearing installed inside the infiltration groove through the both ends of grid board, connect with the extension spring installed at the infiltration inslot wall through the one end of bearing, both sides that lie in the infiltration groove through the top of body have all seted up catch basin, cup joint the bull stick that the outer wall has the rotor and the outer wall has cup jointed the carousel through the inside of catch basin, set up the through groove through the contact department of catch basin and infiltration groove, cup joint the pivot through the one end of bull stick, set up the rolling groove through the outer wall of pivot, the noose that the buoy has been cup jointed to the outer wall to utilize the inside of rolling groove, can be when gathering rainwater to a certain extent in the catch basin, can make the buoy float upwards through the rainwater, thereby the arm-tie that drives set rope one end and connect rises, the drain tank that the rainwater that makes the inside gathering of catch basin passes through the contact department of infiltration groove inner wall and catch basin and sets up discharges, can remove the spacing fixed of countershaft simultaneously, it rotates to drive the bull stick that the outer wall was provided with the rotor through the rainwater, thereby make the pivot carry out the roll-up to the set rope, the outer wall through the carousel is provided with the latch, the tooth's socket that can make latch and grid plate outer wall both sides all set up is relieved, make the carousel rotate and drive the grid plate and overturn, make the inside water of storing of grid plate discharge, can effectually prevent the rainwater gathering around the body in rainy day, the pedestrian of being convenient for walks.
(2) The utility model discloses a set up the skid resistant course, the barrier layer, the anticorrosive coating, the permeable bed, the skid resistant course has been seted up through the outer wall of body, outer wall through the skid resistant course is provided with the rubber pad, can increase the holistic antiskid nature of body, it sets up to granite aggregate barrier layer to have seted up the material through the inside of body, can increase the holistic separation nature of body, the anticorrosive coating that the outer wall was provided with inorganic coating is seted up to one side that is located the barrier layer through the inside of body, can increase the holistic anticorrosive nature of body, it has polypropylene fiber permeable bed to have been doped to have seted up inside through the bottom of body, can increase the holistic permeability of body, the holistic quality of body has been increased.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the structure of the rotating device of the present invention;
fig. 5 is a schematic structural view of the drainage device of the present invention.
In the figure: 1. a body; 2. a permeation groove; 3. a grid plate; 4. a water storage tank; 5. a rotating rod; 6. rotating the sheet; 7. a turntable; 8. screening a screen; 9. a rotating shaft; 10. sleeving a rope; 11. a float; 12. pulling a plate; 13. an anti-slip layer; 14. a barrier layer; 15. an anticorrosive layer; 16. and a water permeable layer.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Example 1
The utility model provides a better embodiment of afforestation environmental protection brick that permeates water is shown in fig. 1 to 5: comprises a body 1, the top end wall of the body 1 is provided with a permeation groove 2, the outer wall of the permeation groove 2 is provided with a grid plate 3, the top end of the body 1 is positioned at two sides of the permeation groove 2 and is provided with water storage grooves 4, the inside of the water storage grooves 4 is provided with a rotating rod 5, the outer wall of the rotating rod 5 is provided with a rotating sheet 6, the outer wall of the rotating rod 5 is sleeved with a rotating disc 7, the outer wall of the water storage grooves 4 is provided with a screen 8, one end of the rotating rod 5 is sleeved with a rotating shaft 9, the outer wall of the rotating shaft 9 is sleeved with a sleeve rope 10, the outer wall of the sleeve rope 10 is provided with a buoy 11, one end of the sleeve rope 10 is connected with a pull plate 12, the permeation groove 2 sleeved with the grid plate 3 is arranged at the top end of the body 1, bearings arranged inside the permeation groove 2 are sleeved at two ends of the grid plate 3, one end of the bearing is connected with an extension spring arranged on the inner wall of the infiltration tank 2, the top end of the body 1 is positioned on two sides of the infiltration tank 2 and is provided with a water storage tank 4, the inside of the water storage tank 4 is sleeved with a rotating piece 6, the outer wall of the water storage tank is sleeved with a rotating rod 5 of a rotating disk 7, the contact part of the water storage tank 4 and the infiltration tank 2 is provided with a through tank, one end of the rotating rod 5 is sleeved with a rotating shaft 9, the outer wall of the rotating shaft 9 is provided with a rolling tank, the inner part of the rolling tank is sleeved with a loop rope 10 of which the outer wall is sleeved with a buoy 11, when rainwater is gathered to a certain degree in the water storage tank 4, the buoy 11 can float upwards through the rainwater, so as to drive a pull plate 12 connected with one end of the loop rope 10 to rise, the rainwater gathered in the water storage tank 4 is discharged through a drainage tank arranged on the contact part of the inner wall of the infiltration tank 2 and the water storage tank 4, can relieve simultaneously the spacing fixed of countershaft 9, it is provided with runner 5 of rotor plate 6 to drive the outer wall through the rainwater and rotates, thereby make pivot 9 carry out the roll-up to sleeve rope 10, the outer wall through carousel 7 is provided with the latch, the tooth's socket that can make latch and 3 outer wall both sides of grid plate all set up is relieved, make carousel 7 rotate and drive grid plate 3 and overturn, the water that makes 3 inside storages of grid plate discharges, can effectually prevent the rainwater gathering around body 1 in rainy day, the pedestrian of being convenient for walks.
The outer wall of the body 1 is provided with an anti-slip layer 13, the inner part of the body 1 is provided with a barrier layer 14, the inner part of the body 1 is positioned on one side of the barrier layer 14 and is provided with an anti-corrosion layer 15, the bottom end of the body 1 is provided with a permeable layer 16, the anti-slip layer 13 is arranged on the outer wall of the body 1 through the arrangement of the anti-slip layer 13, the barrier layer 14, the anti-corrosion layer 15 and the permeable layer 16, the anti-slip layer 13 is arranged on the outer wall of the body 1, the outer wall of the anti-slip layer 13 is provided with a rubber pad, the integral anti-slip property of the body 1 can be increased, the granite aggregate barrier layer 14 is arranged through the inner part of the body 1, the integral barrier property of the body 1 can be increased, the inner part of the anti-slip layer 15 with inorganic coating is arranged on the outer wall of one side of the barrier layer 14 through the inner part of the body 1, the integral anti-corrosion property of the body 1 can be increased, the inner part is provided with the permeable layer 16 doped with polypropylene fiber, the overall mass of the body 1 is increased.
In this embodiment, the through groove has been seted up at the junction of catch basin 4 and infiltration groove 2, and the one end of carousel 7 cup joints in the inside of through groove, and the cross sectional area of through groove is the same with the cross sectional area of carousel 7, makes carousel 7 rotate and drives grid plate 3 and overturn, makes the inside water of storing of grid plate 3 discharge.
In this embodiment, the outer wall of carousel 7 is provided with the latch, and the tooth's socket has all been seted up to the outer wall both sides of grating 3, and the size of tooth's socket is the same with the size of latch, can make carousel 7 rotate and drive grating 3 and rotate.
In this embodiment, the bearing has all been cup jointed at the both ends of grid plate 3, and the inner wall of infiltration groove 2 is provided with extension spring, and extension spring's one end is connected with the bearing, can make grid plate 3 reset after overturning.
Further, the contact department of the inner wall both sides of infiltration groove 2 and arm-tie 12 has seted up water drainage tank, and water drainage tank's size is the same with arm-tie 12's size, and one side of arm-tie 12 and one side of water drainage tank set up to closely laminating, can make the rainwater of the inside gathering of catch basin 4 discharge through the water drainage tank that the contact department of infiltration groove 2 inner wall and catch basin 4 was seted up.
Furthermore, a winding groove is formed in the outer wall of the rotating shaft 9, a sleeve rope 10 is sleeved inside the winding groove, the sleeve rope 10 and the rotating shaft 9 are connected in a staggered and sleeved mode, and the rotating shaft 9 can rotate to wind the sleeve rope 10.
In addition, the outer wall of skid resistant course 13 is provided with the rubber pad, and the material of barrier layer 14 sets up to granite aggregate, and the outer wall of anticorrosive coating 15 is provided with inorganic coating, and the inside of permeable bed 16 is doped with polypropylene fiber, can increase body 1's holistic anti-skidding infiltration performance.
When the utility model is operated and used, as shown in figures 1 to 5, the infiltration groove 2 internally sleeved with the grid plate 3 is arranged at the top end of the body 1, the bearing arranged inside the infiltration groove 2 is sleeved at both ends of the grid plate 3, the extension spring arranged on the inner wall of the infiltration groove 2 is connected with one end of the bearing, the water storage grooves 4 are arranged at both sides of the infiltration groove 2 at the top end of the body 1, the rotary piece 6 is arranged at the outer wall of the water storage groove 4, the rotary rod 5 of the rotary disk 7 is sleeved at the outer wall of the water storage groove 4, the through groove is arranged at the contact part of the water storage groove 4 and the infiltration groove 2, the rotating shaft 9 is sleeved at one end of the rotary rod 5, the rolling groove is arranged at the outer wall of the rotating shaft 9, the sleeve rope 10 sleeved with the buoy 11 at the outer wall of the rolling groove is utilized, when rainwater is gathered to a certain degree inside the water storage groove 4, the buoy 11 can float upwards through the rainwater, thereby driving the pulling plate 12 connected with one end of the sleeve rope 10 to ascend, leading rainwater gathered inside the water storage tank 4 to be discharged through a drainage tank arranged at the contact part of the inner wall of the infiltration tank 2 and the water storage tank 4, simultaneously relieving the limit fixation of the rotating shaft 9, leading the rotating rod 5 of which the outer wall is provided with the rotating sheet 6 to rotate through the rainwater, leading the rotating shaft 9 to roll up the sleeve rope 10, leading the outer wall of the rotating disc 7 to be provided with the latch, leading the latch and tooth sockets arranged at the two sides of the outer wall of the grid plate 3 to be relieved, leading the rotating disc 7 to rotate to drive the grid plate 3 to overturn, leading the water stored inside the grid plate 3 to be discharged, effectively preventing the rainwater from gathering around the body 1 in rainy days, being convenient for pedestrians to walk, leading the anti-skid layer 13 to be arranged through the outer wall of the body 1, leading the rubber pad to be arranged through the outer wall of the anti-skid layer 13, and being capable of increasing the whole anti-skid property of the body 1, set up the material through the inside of body 1 and set up to granite aggregate barrier layer 14, can increase the holistic separation nature of body 1, lie in one side of barrier layer 14 through the inside of body 1 and offer the anticorrosive coating 15 that the outer wall is provided with inorganic coating, can increase the holistic anticorrosive nature of body 1, seted up through the bottom of body 1 inside and doped with polypropylene fibre permeable stratum 16, can increase the holistic permeability of body 1.
The above are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the present invention is not limited to the above-mentioned overall application, and the technical features described in the specification can be selected to be adopted alone or be combined together according to actual needs, so that the present invention covers other combinations and specific applications related to the present invention.

Claims (7)

1. The utility model provides a afforestation environmental protection brick that permeates water, includes body (1), its characterized in that: the top end wall of the body (1) is provided with an infiltration tank (2), the outer wall of the infiltration tank (2) is provided with a grid plate (3), the top end of the body (1) is positioned on two sides of the infiltration tank (2) and is provided with water storage tanks (4), rotating rods (5) are arranged inside the water storage tanks (4), rotating pieces (6) are arranged on the outer walls of the rotating rods (5), rotating discs (7) are sleeved on the outer walls of the rotating rods (5), a screen (8) is arranged on the outer walls of the water storage tanks (4), a rotating shaft (9) is sleeved at one end of each rotating rod (5), a loop rope (10) is sleeved on the outer wall of each rotating shaft (9), a buoy (11) is arranged on the outer wall of the loop rope (10), and a pull plate (12) is connected at one end of the loop rope (10);
anti-skidding layer (13) have been seted up to the outer wall of body (1), barrier layer (14) have been seted up to the inside of body (1), anticorrosive coating (15) have been seted up to one side that the inside of body (1) is located barrier layer (14), permeable layer (16) have been seted up to the bottom of body (1).
2. The landscaping environment-friendly water permeable brick as claimed in claim 1, wherein: a through groove is formed in the joint of the water storage groove (4) and the infiltration groove (2), one end of the rotary disc (7) is sleeved inside the through groove, and the cross sectional area of the through groove is the same as that of the rotary disc (7).
3. The landscaping environment-friendly water permeable brick as claimed in claim 1, wherein: the outer wall of carousel (7) is provided with the latch, the tooth's socket has all been seted up to the outer wall both sides of grating (3), and the size of tooth's socket is the same with the size of latch.
4. The landscaping environment-friendly water permeable brick as claimed in claim 1, wherein: the bearings are sleeved at two ends of the grid plate (3), the extension spring is arranged on the inner wall of the permeation groove (2), and one end of the extension spring is connected with the bearing.
5. The landscaping environment-friendly water permeable brick as claimed in claim 1, wherein: the drainage channel is opened to the contact department of the inner wall both sides of infiltration groove (2) and arm-tie (12), and the size of drainage channel is the same with the size of arm-tie (12), and one side of arm-tie (12) and one side of drainage channel set up to closely laminating.
6. The landscaping environment-friendly water permeable brick as claimed in claim 1, wherein: the outer wall of pivot (9) has been seted up and has been rolled up the groove, and the inside in roll-up groove has cup jointed noose (10), the connected mode of noose (10) and pivot (9) sets up to crisscross the cup jointing.
7. The landscaping environment-friendly water permeable brick as claimed in claim 1, wherein: the outer wall of skid resistant course (13) is provided with the rubber pad, the material of barrier layer (14) sets up to granite aggregate, the outer wall of anticorrosive coating (15) is provided with inorganic coating, the inside of permeable bed (16) is doped with polypropylene fiber.
CN202123138645.6U 2021-12-13 2021-12-13 Afforestation environmental protection brick that permeates water Active CN217499812U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123138645.6U CN217499812U (en) 2021-12-13 2021-12-13 Afforestation environmental protection brick that permeates water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123138645.6U CN217499812U (en) 2021-12-13 2021-12-13 Afforestation environmental protection brick that permeates water

Publications (1)

Publication Number Publication Date
CN217499812U true CN217499812U (en) 2022-09-27

Family

ID=83336645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123138645.6U Active CN217499812U (en) 2021-12-13 2021-12-13 Afforestation environmental protection brick that permeates water

Country Status (1)

Country Link
CN (1) CN217499812U (en)

Similar Documents

Publication Publication Date Title
JP5437795B2 (en) Bunker lining assembly
US8449219B2 (en) Water-storage and water-purification system
US20190119941A1 (en) Device for forming post sleeves and related methods
KR200449105Y1 (en) A Coir Mat
CN205171643U (en) Basement roof drainage system
KR101020718B1 (en) Seepaging structure using absorbent pavement geo-cell for material and rainforced of ground
CN217499812U (en) Afforestation environmental protection brick that permeates water
CN208440941U (en) A kind of sponge urban water-through road surface automatic water collects extraordinary pavement structure
CN104343177A (en) Subsurface drainage channel
JP3030604B2 (en) Inside slope structure of waste disposal site
CN206477208U (en) A kind of municipal paved road structure
KR200460322Y1 (en) Draining Structure using Floor Drain
KR101959680B1 (en) Paving block structures for preventing weed growth construction method thereof
CN211172014U (en) Environment-friendly municipal works side slope reinforcing apparatus
CN210868973U (en) Floor greening lawn structure
KR100799733B1 (en) Stormwater storage system
CN207062677U (en) Landscape green space stainless steel plate receives side construction
CN207227978U (en) A kind of landfill yard guide french drain pipeline configuration
CN207453063U (en) Storage based on sponge the idea of the city oozes Integral rain mouth
CN216194451U (en) Reform transform ecological, hydrophilic bank protection structure of old barricade
EP1877647B1 (en) Waterproof seal and protective layer for surfaces
KR101252583B1 (en) Drainage system
CN207391993U (en) A kind of permeable garden landscape paving structure
CN207452622U (en) A kind of porous pavement of urban construction
CN215441245U (en) Environment-friendly grass planting pavior brick

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant