CN205804565U - A kind of sump and install the underdrainage system of this sump - Google Patents
A kind of sump and install the underdrainage system of this sump Download PDFInfo
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- CN205804565U CN205804565U CN201620757536.2U CN201620757536U CN205804565U CN 205804565 U CN205804565 U CN 205804565U CN 201620757536 U CN201620757536 U CN 201620757536U CN 205804565 U CN205804565 U CN 205804565U
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- Prior art keywords
- opening
- sump
- spool
- sidewall
- shed
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- 239000002689 soil Substances 0.000 claims abstract description 42
- 238000009738 saturating Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 7
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
A kind of sump and install the underdrainage system of this sump, belongs to discharge structure technical field.Including sump body, sump body includes sidewall and the diapire being connected with sidewall.Diapire is provided with the first opening, and the first opening part is provided with check valve, and sidewall and diapire surround collect cavity.Sidewall is provided with the second opening and the 3rd opening, the second opening and the setting of the 3rd open space and the second opening and the 3rd opening all runs through sidewall.A kind of underdrainage system, including above-mentioned sump, collect cavity is connected by the second opening property saturating with height concrete layer, and the first opening of diapire is connected with soil horizon by check valve.A part of rainwater can be drained into soil horizon by the check valve of the sump installing the underdrainage system of this sump, reduces the clean discharge capacity that rainwater is discharged by gutter.
Description
Technical field
This utility model relates to discharge structure technical field, in particular to a kind of sump and install this and catchment
The underdrainage system of well.
Background technology
The road of existing underdrainage system is generally made up of multiple structure, and rainwater can not be effectively by the layer of road
Shape structure is permeated, is expelled in soil.So, generally catchmented by sump, discharged by gutter, prevent road ground collection
Water excess, causes the impeded drainage in city.
Rainwater in the sump of prior art is all discharged by gutter, it is impossible to make the rainwater that utilizes of soil maximum provide
Source, meanwhile, the clean discharge capacity having the rainwater that gutter discharges is higher.
Utility model content
The purpose of this utility model is to provide a kind of sump, can discharge a part of rainwater by check valve, reduce
The clean discharge capacity of the rainwater that gutter is discharged.
Another object of the present utility model is to provide a kind of underdrainage system installing above-mentioned sump, and this underground is arranged
The installation of water system makes a part of rainwater of check valve draining of sump drain into soil horizon, make more rainwater by soil absorption,
Be conducive to the vegetation growth in soil.
This utility model realizes by the following technical solutions:
A kind of sump, including sump body.Sump body includes sidewall and diapire, and diapire is provided with first and opens
Mouthful, the first opening part is provided with check valve.Sidewall and diapire surround collect cavity, and sidewall is provided with the second opening and the 3rd opening,
Second opening and the 3rd open space are arranged and the second opening and the 3rd opening all run through sidewall.
Further, in this utility model preferred embodiment, the first opening includes upper shed and connects with upper shed
Under shed, the cross-sectional area of upper shed is less than the cross-sectional area of under shed.Check valve include the spool for closing upper shed,
Spring and valve plate, spool is arranged at the junction of upper shed and under shed, and the two ends of spring connect spool and valve plate, valve plate respectively
The side away from spring be arranged at diapire.
Further, in this utility model preferred embodiment, the cross section of above-mentioned upper shed and under shed transversal
Face is circle, and spool is spherical valve core, and spherical valve core is arranged in the junction of upper shed and under shed.
Further, in this utility model preferred embodiment, the cross section of above-mentioned upper shed and under shed transversal
Face is rectangle, and spool is rectangle spool, and rectangle spool is arranged at the junction of upper shed and under shed.
Further, in this utility model preferred embodiment, the cross section of above-mentioned upper shed and under shed transversal
Face is rectangle, and spool is rectangle spool.Check valve also includes sealing gasket, sealing gasket be arranged under shed away from collect cavity
Side, rectangle spool is arranged at the side away from upper shed of sealing gasket.
Further, in this utility model preferred embodiment, above-mentioned sump also includes water collecting well cover, water collecting well cover
Lid is loaded on the upper end of sump body.
A kind of underdrainage system, including path layer structure and above-mentioned sump.Path layer structure is wrapped the most successively
Including osmosizing portion and soil horizon, sump is embedded at osmosizing portion.First opening of diapire is connected with soil horizon by check valve, infiltration
Portion includes colorful water-permeable concrete layer, high property concrete layer and macadam gradating layer thoroughly the most successively, and collect cavity is by the
Two openings property saturating with height concrete layer connects.
Further, in this utility model preferred embodiment, above-mentioned second opening has and multiple runs through the logical of sidewall
Hole.
Further, in this utility model preferred embodiment, the internal diameter of each above-mentioned through hole is 1mm-1cm.
Further, in this utility model preferred embodiment, above-mentioned underdrainage system also includes being embedded at infiltration
The gutter in portion, gutter is connected with collect cavity by the 3rd opening.
Sump that preferred embodiment of the present utility model provides and install underdrainage system useful of this sump
Effect is:
The sump that this utility model provides, the sidewall of sump and diapire surround collect cavity, and the second opening is used for connecting
Path layer structure, rainwater drops on road when, can permeate downwards, and is entered from the second opening part by road structure
In collect cavity, prevent owing to rainwater is excessive and make there is substantial amounts of hydrops on road.Diapire at sump is provided with the first opening,
First opening part is provided with check valve, catchments in collect cavity after a certain amount, due to the effect of hydraulic pressure, makes check valve
Opening is opened, then a part of rainwater in collect cavity can be discharged by check valve.3rd opening is used for communicated drainage ditch, at rainwater
Too much, the when of can not discharging at check valve, by discharging at gutter, due to the effect of check valve, gutter can be reduced
The clean discharge capacity of the rainwater discharged.
Additionally, install the underdrainage system of this sump, collect cavity is by the second opening with height saturating property concrete layer even
Logical, then after rainwater drops down onto high property concrete layer thoroughly, collect cavity can be entered by the second opening part, diapire is by check valve and soil
Earth layer connects, and the rainwater discharged at check valve is immediately discharged to soil horizon, more rainwater can be made by soil absorption, be conducive to soil
The growth of vegetation in earth.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
Fall within protection domain of the present utility model obtaining other relevant accompanying drawings according to these accompanying drawings.
The structural representation of the underdrainage system that Fig. 1 provides for embodiment 1 of the present utility model；
The structural representation of sump in the underdrainage system that Fig. 2 provides for embodiment 1 of the present utility model；
The structural representation of check valve in the underdrainage system that Fig. 3 provides for embodiment 1 of the present utility model；
The structural representation of check valve in the underdrainage system that Fig. 4 provides for embodiment 2 of the present utility model.
Reference collects:
Underdrainage system 100；Path layer structure 110；Sump 120；Gutter 130；Colorful water-permeable concrete layer
111；High property concrete layer 112 thoroughly；Macadam gradating layer 113；Soil horizon 114；Osmosizing portion 115；Sump body 121；Sump
Lid 122；Sidewall 123；Diapire 124；Second opening 125；First opening 126；3rd opening 127；Collect cavity 128；Through hole 129；
Check valve 140a, 140b；Upper shed 134；Under shed 135；Spool 141；Spring 142；Valve plate 143；Rectangle spool 241；Seal
Pad 244.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the model of this utility model protection
Enclose.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
Embodiment 1
The structural representation of the underdrainage system 100 that Fig. 1 provides for the present embodiment.Refer to Fig. 1, in the present embodiment,
Underdrainage system 100 includes path layer structure 110, sump 120 and gutter 130.
Please continue to refer to Fig. 1, in the present embodiment, path layer structure 110 includes osmosizing portion 115 and soil the most successively
Layer 114, osmosizing portion 115 includes colorful water-permeable concrete layer 111, high property concrete layer 112, rubble level thoroughly the most successively
Join layer 113.Colorful water-permeable concrete layer 111 can meet people and crave for color and cultural spirit, have beautiful outside
Table, has appreciating；Meanwhile, the beneficially infiltration of surface water, improves ventilative, the water penetration on earth's surface, has regulation urban surface temperature
Degree and humidity, alleviate the advantages such as municipal drainage facility burden.High property concrete layer 112 thoroughly, relative to colorful water-permeable concrete
Layer 111 can be more favorable for the infiltration of surface water, meanwhile, can reduce cost.Macadam gradating layer 113 is by grain of all sizes
Level gather materials composition compound, basic unit and the underlayment of road can be used as, it is possible to be used as roadbed and improve layer, make the structure of road
More stable, it is possible to have bigger bearing capacity.
Please continue to refer to Fig. 1, in the present embodiment, Sometimes When It Rains, rainwater drops down onto colorful water-permeable concrete layer 111,
By height saturating property concrete layer 112 and macadam gradating layer 113, it flow to soil horizon 114, by soil absorption.If the amount mistake rained
Greatly, then rainwater can flow to sump 120 at path layer structure 110.
The structural representation of sump 120 in the underdrainage system 100 that Fig. 2 provides for the present embodiment.See also
Fig. 1 and Fig. 2, in the present embodiment, sump is embedded at osmosizing portion 115, and sump 120 includes sump body 121 and sump
Lid 122.Sump body 121 includes that sidewall 123 and diapire 124, sidewall 123 and diapire 124 enclose formation collect cavity 128, side
Wall 123 is provided with the second opening 125, and the second opening 125 is used for connecting road Rotating fields 110.In the present embodiment, the second opening
125 are used for connected set water cavity 128 and height saturating property concrete layer 112, and rainwater is excessive when, path layer structure 110 can not be very
Fast penetrates into soil horizon 114 completely by rainwater, then can be entered by the second opening 125 from height saturating property concrete layer 112
In the collect cavity 128 of sump 120, prevent road surface from catchmenting in a large number, cause the life inconvenience of people.
Continuing with in the lump refering to Fig. 1 and Fig. 2, in the present embodiment, the second opening 125 has and multiple runs through the logical of sidewall 123
Hole 129, the water in high property concrete layer 112 thoroughly is entered in collect cavity 128 by multiple through holes 129.Through hole 129 is provided around
Through-hole wall, can be formed height saturating property concrete layer 112 and stop, the concrete in high property concrete layer 112 thoroughly can not be opened from second
Flow in collect cavity 128 at mouth 125, make collect cavity 128 will not enter concrete, in the highest property concrete layer 112
Water flows in collect cavity 128.
The internal diameter of through hole 129 is 1mm-1cm.If internal diameter is too big, the concrete in the highest property concrete layer 112 may
Can enter in collect cavity 128, after long-time this sump 120 of use, the water capacity in collect cavity 128 can reduce.If it is interior
Footpath is the least, and the water in the highest property concrete layer 112 can not enter in collect cavity 128 timely, can cause road-face water-collecting, to people
Life bring inconvenience.
Please continue to refer to Fig. 2, in the present embodiment, the diapire 124 of sump 120 is connected with sidewall 123, and diapire 124 sets
It is equipped with the first opening 126, at the first opening 126, is provided with check valve 140a.Collect cavity 128 in sump 120 summarizes
After certain rainwater, after there is certain height due to liquid, diapire 124 can be formed pressure, make check valve 140a by
Open valve in the effect of pressure, a part of rainwater in sump 120 can be by check valve 140a from the first opening 126
Place flows out.First opening 126 of diapire 124 is connected with soil horizon 114, then at the first opening 126 by check valve 140a
The rainwater that check valve 140a flows out is flowed directly in soil horizon 114, increases the water content of soil horizon 114, beneficially planting in soil
The growth of quilt.
The structural representation of check valve 140a in the underdrainage system 100 that Fig. 3 provides for the present embodiment.See also
Fig. 2 and Fig. 3, in the present embodiment, the first opening 126 includes upper shed 134 and the under shed 135 connected with upper shed 134, above opens
The cross-sectional area of mouth 134 is less than the cross-sectional area of under shed 135, and check valve 140a includes the spool for closing upper shed 134
141, spring 142 and valve plate 143, spool 141 is arranged at upper shed 134 and the junction of under shed 135, the two ends of spring 142
Connecting spool 141 and valve plate 143 respectively, the side away from spring 142 of valve plate 143 is arranged at diapire 124.
The when of not having water or water content fewer in collect cavity 128, spool 141 be positioned under shed 135 with on open
The junction of mouth 134, the upper shed 134 of the first opening 126 is closed by spool 141, prevents the subsoil water in soil horizon 114 from entering
In collect cavity 128, cause the waste of water resource in soil horizon 114.When hypervolia in collect cavity 128 when, water
The pressure that spool 141 is certain can be given, make spring 142 shrink, so that spool 141 is transported downwards due to elastic effect
Dynamic, thus upper shed 134 is connected with under shed 135, make the water in collect cavity 128 can pass through to enter at the first opening 126
Soil horizon 114.
Please continue to refer to Fig. 3, in the present embodiment, the cross section of upper shed 134 is circle with the cross section of under shed 135
Shape, spool 141 is spherical valve core, and spherical valve core is arranged in upper shed 134 and the junction of under shed 135.Spherical valve core straight
Footpath is bigger than the internal diameter of upper shed 134, less than the internal diameter of under shed 135, when spring 142 is in expansion state when, and globe valve
Core upper part enters upper shed 134, lower part still indwelling under shed 135, and spherical valve core can under shed 135 freely simultaneously
Mobile, thus realize the effect of the water one-way flow in collect cavity 128.
Please continue to refer to Fig. 3, in the present embodiment, spherical valve core is ball, and ball has certain elasticity, is catchmenting
The when of not having water or water content fewer in chamber 128, what ball can be stable is arranged in upper shed 134 and under shed
The junction of 135, prevents the subsoil water in soil horizon 114 from flowing at the first opening 126 in collect cavity 128, it is to avoid subsoil water
Run off, cause the water resource waste in soil horizon 114.
Similar embodiment, it may also is that arrange two the first openings 126, accordingly, sets at each first opening 126
Put a check valve 140a, it is also possible to play and the water in collect cavity is discharged into the purpose in soil horizon 114.
Continuing with in the lump refering to Fig. 1 and Fig. 2, in the present embodiment, sidewall 123 is provided with the 3rd opening 127, the 3rd opening
127 and second opening 125 interval arrange, the 3rd opening 127 is for communicated drainage ditch 130.Rainwater unnecessary in collect cavity 128 leads to
Crossing gutter 130 and drain into sewer, gutter 130 is connected with collect cavity 128 by the 3rd opening 127, and gutter 130 is embedded at
Osmosizing portion 115.Owing to a part of rainwater drains into soil horizon 114 by the check valve 140a at the first opening 126, so, pass through
The amount of the rainwater that gutter 130 is discharged reduces, and can reduce gutter 130 and discharge the clean discharge capacity of rainwater, facilitate gutter 130
Water processes.Meanwhile, soil can be played certain moistening, the beneficially vegetation growth in soil by the rainwater entering soil.
Please continue to refer to Fig. 2, in the present embodiment, at ordinary times, water collecting well cover 122 lid is loaded on the upper end of sump body 121, anti-
Only there is people's imprudence to fall into collect cavity 128 from sump 120 mouthfuls, cause security incident, in needing inspection collect cavity 128
Water quality or when carry out the maintenance of sump 120, opens water collecting well cover 122, processes accordingly, convenient work
The operation of personnel, can guarantee that again the safety of road pedestrian.
Embodiment 2
Present embodiments providing a kind of underdrainage system 100, the present embodiment is the basis of the technical scheme in embodiment 1
On the improvement that carries out, the technical scheme that embodiment 1 describes is equally applicable to the present embodiment, embodiment 1 disclosed technical side
Case is not repeated to describe, and the present embodiment is in the present embodiment that from the difference of embodiment 1 structure of check valve 140b is different.
The structural representation of the check valve 140b in the underdrainage system 100 that Fig. 4 provides for the present embodiment.Refer to figure
4, in the present embodiment, the cross section of upper shed 134 is rectangle with the cross section of under shed 135, and spool is rectangle spool 241,
Rectangle spool 241 is arranged at upper shed 134 and the junction of under shed 135, and the cross-sectional area of upper shed 134 is less than rectangle spool
The cross-sectional area of 241, the cross-sectional area of rectangle spool 241 is less than the cross-sectional area of under shed 135, and rectangle spool 241 can only be
Under shed 135 moves, it is impossible to enter upper shed 134.When not having water or water content fewer in collect cavity 128
Waiting, rectangle spool 241 is arranged at the junction of under shed 135 and upper shed 134 and is positioned under shed 135, rectangle spool 241
Upper shed 134 is closed, prevents the subsoil water in soil horizon 114 from entering in collect cavity 128, cause the water in soil horizon 114 to provide
The waste in source.When hypervolia in collect cavity 128 when, water can give the pressure that rectangle spool 241 is certain, make spring
142 shrink, so that rectangle spool 241 moves downward, thus by upper shed 134 and under shed due to elastic effect
135 connections, make the water in collect cavity 128 water in soil horizon can be made to contain by entering soil horizon 114 at the first opening 126
Amount increases.
Please continue to refer to Fig. 4, similar embodiment is it may also is that the cross-sectional area of upper shed 134 and under shed 135
Cross-sectional area is rectangle, and check valve 140b includes for closing the spool 141 of upper shed 134, spring 142, sealing gasket 244 and
Valve plate 143, spool 141 is rectangle spool 241, and sealing gasket 244 is arranged at the side away from collect cavity 128 of under shed 135, square
Shape spool 241 be arranged at sealing gasket 244 away from upper shed 134 side.The two ends of spring 142 connect rectangle spool 241 respectively
With valve plate 143, the side away from spring 142 of valve plate 143 be arranged at diapire 124, i.e. valve plate 143 away from the one of spring 142
Side is arranged at soil horizon 114.In the junction of rectangle spool 241 with upper shed 134 and under shed 135, sealing gasket 244 is set, can
To prevent the subsoil water in soil horizon 114 from entering in collect cavity 128, cause the waste of water resource in soil horizon 114.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a sump, it is characterised in that include sump body, described sump body include sidewall and with described sidewall
The diapire connected, described diapire is provided with the first opening, and described first opening part is provided with check valve, described sidewall and the described end
Wall surrounds collect cavity, and described sidewall is provided with the second opening and the 3rd opening, described second opening and described 3rd open space
Setting and described second opening and described 3rd opening all run through described sidewall.
Sump the most according to claim 1, it is characterised in that described first opening includes upper shed and opens on described
The under shed of mouth connection, the cross-sectional area of described upper shed is less than the cross-sectional area of described under shed, and described check valve includes using
In closing the spool of described upper shed, spring and valve plate, described spool is arranged at described upper shed and the connection of described under shed
Place, the two ends of described spring connect described spool and described valve plate respectively, and the side away from described spring of described valve plate is arranged
In described diapire.
Sump the most according to claim 2, it is characterised in that the cross section of described upper shed and the horizontal stroke of described under shed
Cross section is circle, and described spool is spherical valve core, and described spherical valve core is arranged in described upper shed and the company of described under shed
Meet place.
Sump the most according to claim 2, it is characterised in that the cross section of described upper shed and the horizontal stroke of described under shed
Cross section is rectangle, and described spool is rectangle spool, and described rectangle spool is arranged at described upper shed and the company of described under shed
Meet place.
Sump the most according to claim 2, it is characterised in that the cross section of described upper shed and the horizontal stroke of described under shed
Cross section is rectangle, and described spool is rectangle spool, described check valve also include sealing gasket, described sealing gasket be arranged at described under
The side away from described collect cavity of opening, described rectangle spool be arranged at described sealing gasket away from the one of described upper shed
Side.
6. according to the sump described in any one of claim 2-5, it is characterised in that described sump also includes water collecting well cover,
Described water collecting well cover lid is loaded on the upper end of described sump body.
7. a underdrainage system, including the sump described in path layer structure and any one of claim 1-6, described road
Rotating fields includes that osmosizing portion and soil horizon, described sump are embedded at described osmosizing portion the most successively, the institute of described diapire
Stating the first opening to be connected with described soil horizon by described check valve, described osmosizing portion includes colorful water-permeable the most successively
Concrete layer, high property concrete layer and macadam gradating layer thoroughly, described collect cavity is mixed with the saturating property of described height by described second opening
Solidifying soil layer connection.
Underdrainage system the most according to claim 7, it is characterised in that described second opening had described in multiple running through
The through hole of sidewall.
Underdrainage system the most according to claim 8, it is characterised in that the internal diameter of each described through hole is 1mm-1cm.
Underdrainage system the most according to claim 7, it is characterised in that described underdrainage system also includes being embedded
In the gutter of described osmosizing portion, described gutter is connected with described collect cavity by described 3rd opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757536.2U CN205804565U (en) | 2016-07-19 | 2016-07-19 | A kind of sump and install the underdrainage system of this sump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757536.2U CN205804565U (en) | 2016-07-19 | 2016-07-19 | A kind of sump and install the underdrainage system of this sump |
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| Publication Number | Publication Date |
|---|---|
| CN205804565U true CN205804565U (en) | 2016-12-14 |
Family
ID=57507786
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620757536.2U Expired - Fee Related CN205804565U (en) | 2016-07-19 | 2016-07-19 | A kind of sump and install the underdrainage system of this sump |
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| CN (1) | CN205804565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529524A (en) * | 2021-06-28 | 2021-10-22 | 胡玉凤 | High-strength porous water permeable brick |
-
2016
- 2016-07-19 CN CN201620757536.2U patent/CN205804565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529524A (en) * | 2021-06-28 | 2021-10-22 | 胡玉凤 | High-strength porous water permeable brick |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |