CN212533850U - Multi-functional guardrail in street - Google Patents
Multi-functional guardrail in street Download PDFInfo
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- CN212533850U CN212533850U CN202020925952.5U CN202020925952U CN212533850U CN 212533850 U CN212533850 U CN 212533850U CN 202020925952 U CN202020925952 U CN 202020925952U CN 212533850 U CN212533850 U CN 212533850U
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- guardrail
- street
- inclined rod
- spraying
- control box
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Abstract
The utility model discloses a street multifunctional guardrail, wherein one side of an upper inclined rod facing to a traffic lane is provided with a traffic lane water spray hole, one side of a lower inclined rod facing to the traffic lane is provided with a traffic lane water spray hole, a ground induction coil connected with a control box signal control is embedded in the traffic lane in the incoming direction, one side of the top end of a fence post facing to the traffic lane is provided with a human body induction switch connected with the control box signal, and the top end of the fence post is convexly provided with a spraying prompt lamp connected with the control box signal; owing to adopted and rolled over the green groove of planting of shape railing and V font, combine to roll over the shape railing and go to the nozzle of the adjustable water spray volume size of lane and pedestrian way to and the ground that buries underground on the lane feels the coil fence, the human inductive switch on fence post top and spray the warning light, both can spray or wash the road surface of lane and pedestrian way, obviously reduce the environmental pollution of urban road, can also park the bicycle, more environmental protection, the function is more, also more intelligent, and simple structure, more accord with the design theory in sponge city.
Description
Technical Field
The utility model relates to a fixed guardrail field between city traffic lane and the pedestrian way especially relates to a multi-functional guardrail in street.
Background
Most of the existing street guardrails only play a role in separating sidewalks from roadways, and only play a role in separating spaces and protecting although some guardrail shapes and patterns can be abundant; in some cities, flowerpots are hung on the guardrails to beautify the environment and purify the air; but the function of the street guardrail is single in the whole view.
As the guardrail is not designed by one manufacturer or produced in the same batch, the guardrails on the same street are different in shape and are not managed by people after being damaged, and the appearance of the city is influenced.
In addition, with the city quality, the city image is constantly improving, the country advocates building sponge city, wisdom city, and the guardrail in the urban furniture also needs to advance with the time, not only needs to improve technically, needs abundantly functionally, also needs intellectuality, scientification in the management.
Therefore, there is still a need for improvement and development of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a multi-functional guardrail in street, more environmental protection, function are more, also more intelligent, and simple structure.
The technical scheme of the utility model as follows: a street multifunctional guardrail comprises a guardrail frame and guardrail posts, wherein the guardrail frame is connected between two adjacent guardrail posts and comprises a lower cross bar, a folded guardrail and a green planting groove, wherein,
the lower cross rod is horizontally connected between the lower parts of two adjacent fence columns, and the green planting groove is horizontally connected between the upper parts of two adjacent fence columns;
a plurality of folded handrails are vertically connected between the green planting groove and the lower cross bar at equal intervals, and the space between every two adjacent folded handrails is used for parking a bicycle;
the cross section of the green planting groove is V-shaped, and the included angle between two side walls of the green planting groove ranges from 60 degrees to 120 degrees; a planting frame and a filter net frame are erected in the green planting groove, and the planting frame is positioned above the filter net frame; the bottom of the green plant groove is provided with a water leakage hole;
each folded railing consists of an upper inclined rod and a lower inclined rod, and the upper end of the upper inclined rod is welded on the outer side wall of one side of the green plant groove, which faces the traffic lane, after being blocked; the lower end of the lower inclined rod is welded on the lower cross rod and is communicated with the lower cross rod; the lower end of the upper inclined rod and the upper end of the lower cross rod are inclined towards the direction of the pedestrian path; the upper end of the lower inclined rod is communicated with the lower end of the upper inclined rod in a welding mode, and the included angle between the upper inclined rod and the lower inclined rod ranges from 100 degrees to 130 degrees;
a plurality of lane water spraying holes are formed in one side, facing the lanes, of the upper inclined rod, and all the lane water spraying holes are arranged at equal intervals along the length direction of the upper inclined rod; a plurality of pedestrian path water spraying holes are formed in one side, facing the pedestrian path, of the lower inclined rod, and all the pedestrian path water spraying holes are arranged at equal intervals along the length direction of the lower inclined rod; nozzles with adjustable water spraying amount are arranged on each of the water spraying holes of the carriageway and the water spraying holes of the pedestrian ways;
a spraying water suction pump which is in control connection with the control box is arranged inside each fence post, a spraying upper water pipe which is communicated with the underground water storage tank is communicated with one end of the spraying water suction pump, the other end of the spraying water suction pump is communicated with the lower cross rod on the same side of the fence post through a corresponding pipe connecting piece and is used for pumping filtered water of the underground water storage tank, the filtered water is sprayed to the pedestrian path through a nozzle on the lower inclined rod, and meanwhile, the filtered water is sprayed to the pedestrian path through a nozzle on the upper inclined rod;
the top end of each fence post is convexly provided with a spraying prompting lamp which is in signal connection with the control box and is used for reminding pedestrians and vehicles about to pass through a spraying road section during spraying operation of the folded fence;
a human body induction switch in signal connection with the control box is arranged on one side, facing the pedestrian path, of the top end of each fence post and is used for sending a signal for stopping spraying operation to the control box when a pedestrian about to pass through the spraying road section is induced;
the control box is arranged on a pedestrian path, a ground induction coil connected with the control box in a signal control mode is buried in the traffic path in the coming direction, the distance between the ground induction coil and a rail column in front of a vehicle is 30-60 m, and the ground induction coil is used for sending a signal for stopping spraying operation to the control box when sensing the vehicle passing through the spraying road section.
The multi-functional guardrail in street, wherein: each group of street multifunctional guardrail comprises 8-12 guardrail posts, and a lower cross bar, a folded guardrail and a green planting groove between the guardrail posts, wherein the distance between every two adjacent guardrail posts is 8-12 m;
drip irrigation pipes are laid at the bottom of the inner side of each V-shaped green planting groove, the drip irrigation pipes on the two sides of each fence post are communicated with the inside of the upper end of the fence post, a plurality of drip irrigation spray heads or atomizing spray heads are arranged inside each planting frame at intervals, the bottom of each drip irrigation spray head or atomizing spray head is communicated with the drip irrigation pipe below the drip irrigation pipe, and one end of the drip irrigation pipe closest to a ground sensing coil used by the multifunctional guardrail of the street is plugged;
the fence post farthest away from the ground sensing coil used by the group of multifunctional street guardrails is internally provided with a drip irrigation water suction pump in control connection with the control box, a drip irrigation water supply pipe communicated with the underground water storage tank is communicated with one end of the drip irrigation water suction pump, and the other end of the drip irrigation water suction pump is communicated with a drip irrigation pipe closest to the fence post through a corresponding pipe connecting piece.
The multi-functional guardrail in street, wherein: each group of street multifunctional guardrail comprises 10 guardrail columns, and the distance between every two adjacent guardrail columns is 10 m; the ground induction coil is 50 meters away from the fence post closest to the road section in front of the vehicle.
The multi-functional guardrail in street, wherein: two side walls of the V-shaped green planting groove can be formed by bending the same iron sheet, and the included angle between the two side walls is 90 degrees.
The multi-functional guardrail in street, wherein: the included angle between the upper inclined rod and the lower inclined rod is 110 degrees.
The multi-functional guardrail in street, wherein: the lower cross rod and the folded railing are both made of square tubes.
The multi-functional guardrail in street, wherein: and a WIFI chip of an integrated microcontroller is arranged in the control box.
The multi-functional guardrail in street, wherein: the WIFI chip of the integrated microcontroller adopts an ESP8-12F module or an ESP8266 Internet of things development board.
The multi-functional guardrail in street, wherein: the outer surface of the control box is pasted with a two-dimensional code containing electronic identity.
The utility model provides a multi-functional guardrail in street, owing to adopted and rolled over the green groove of planting of shape railing and V font, combine to roll over the shape railing and go to the nozzle of the adjustable water spray volume size of lane and pedestrian way, and the coil fence is felt to the ground buried underground on the lane, the human inductive switch on fence post top and spray the warning light, both can spray or wash the road surface of lane and pedestrian way, obviously reduce urban road's environmental pollution, can also park the bicycle, and is more environmental protection, the function is more, also more intelligent, and simple structure, sponge city and intelligent city have been combined and have been designed, the city has been promoted to the environmental protection, intelligent development.
Drawings
FIG. 1 is a schematic perspective view of a multifunctional guardrail for street according to an embodiment of the present invention;
FIG. 2 is an enlarged side cross-sectional view of the green plant tank of FIG. 1 according to the present invention;
FIG. 3 is an enlarged cross-sectional side view of the folded rail of FIG. 1 according to the present invention;
summary of the numbers in the figures: the fence post 110, the lower cross bar 120, the folding railing 130, the upper inclined bar 131, the lower inclined bar 132, the roadway water spraying holes 133, the pedestrian path water spraying holes 134, the nozzles 135, the green planting grooves 140, the planting frames 141, the filter screen frames 142, the water leakage holes 143, the drip irrigation pipes 144, the drip irrigation nozzles (or the atomizing nozzles) 145 and the spraying prompting lamps 150.
Detailed Description
The following detailed description and examples of the present invention are provided in connection with the accompanying drawings, which are set forth for the purpose of illustration only and are not intended to limit the invention.
The street guardrail belongs to municipal public facilities, is closely related to the construction of city appearance, landscaping management, sponge cities, underground pipe galleries, smart cities and the like of cities, and does not break barriers well to carry out comprehensive design and management due to different departments.
Because of limited urban storage space and limited municipal public facility arrangement position, the street guardrails are mostly in a vertical state, and the basic function is to separate pedestrian and vehicle roads so as to protect the safe traffic of pedestrians and vehicles.
However, the street guardrail not only plays a role in safety protection, but also can combine the functions of three-dimensional greening, intelligent technology, bicycle parking facilities, street cleaning and the like, so that the using functions of the street guardrail are enriched, and the labor, the material resources and the urban land are saved.
As shown in fig. 1, fig. 1 is a schematic perspective view illustrating an embodiment of the multi-functional street guardrail of the present invention, which comprises a railing frame and posts 110, wherein the railing frame is connected between two adjacent posts 110, the railing frame comprises a bottom rail 120, a folded railing 130 and a green planting groove 140, wherein,
the lower cross bar 120 is horizontally connected between the lower parts of two adjacent hurdle columns 110, and the green planting groove 140 is horizontally connected between the upper parts of two adjacent hurdle columns 110;
the plurality of folded railings 130 are vertically connected between the green planting groove 140 and the lower cross bar 120 at equal intervals, and the distance between two adjacent folded railings 130 is used for parking bicycles (not shown), so that parking management of city bicycles is facilitated, and the phenomenon that a rider randomly parks and randomly places the bicycles to influence the appearance and the city appearance of a street; bicycle parking signboards can be arranged at proper positions on the pedestrian path;
referring to fig. 2, fig. 2 is an enlarged side sectional view of the green plant trough used in fig. 1 of the present invention, the cross section of the green plant trough 140 is in a V-shape funnel shape, and the included angle α between two sidewalls of the green plant trough 140 is in the range of 60-120 °; a planting frame 141 and a filter screen frame 142 are erected inside the green planting tank 140, and the planting frame 141 is positioned above the filter screen frame 142; soil and chemical fertilizer are filled in the planting frame 141 and are used for planting green plants, so that the three-dimensional greening area of a city is increased, and the environmental protection effect of cooling and haze removal is achieved; the filter net rack 142 is used for blocking and filtering the silt in the soil of the planting rack 141 from entering the bottom of the green planting tank 140; the bottom of the green planting groove 140 is provided with a water leakage hole 143 for discharging the residual rainwater in the green planting groove 140 in time so as to prevent the green planting in the planting frame 141 from rotting roots;
referring to fig. 3, fig. 3 is an enlarged side sectional view of the folded rail of fig. 1 of the present invention, each folded rail 130 is composed of an upper diagonal rod 131 and a lower diagonal rod 132, and the upper end of the upper diagonal rod 131 is welded to the outer sidewall of the green plant groove 140 facing the traffic lane after being sealed; the lower end of the lower diagonal rod 132 is welded on the lower cross rod 120 and is communicated with the lower cross rod 120; the lower end of the upper inclined rod 131 and the upper end of the lower cross rod 132 are both inclined towards the direction of the pedestrian path; the upper end of the lower inclined rod 132 is welded and communicated with the lower end of the upper inclined rod 131, and the included angle beta between the upper inclined rod 131 and the lower inclined rod 132 ranges from 100 degrees to 130 degrees;
a plurality of lane water spraying holes 133 are formed in one side, facing the lane, of the upper inclined rod 131, and all the lane water spraying holes 133 are arranged at equal intervals along the length direction of the upper inclined rod 131; a plurality of pedestrian path water spraying holes 134 are formed in one side, facing the pedestrian path, of the lower inclined rod 132, and all the pedestrian paths 134 are arranged at equal intervals along the length direction of the lower inclined rod; each of the roadway water spray holes 133 and the pedestrian road water spray holes 134 is provided with a nozzle 135 capable of adjusting the water spray amount;
a spraying water pump connected with a control box (not shown) in a control mode is arranged inside each railing column 110, a spraying upper water pipe communicated with an underground water storage tank (not shown) is communicated with one end of the spraying water pump, the other end of the spraying water pump is communicated with the lower cross rod 120 on the same side of the railing column 110 through a corresponding pipe connecting piece and used for pumping filtered water of the underground water storage tank, and the filtered water is sprayed to a pedestrian path through a nozzle 135 on the lower inclined rod 132 so as to reduce dust raised when pavement cleaning personnel clean the pedestrian path; meanwhile, the dust raised when the vehicle on the traffic lane runs is reduced by spraying the traffic lane through the nozzles 135 on the upper inclined rod 131;
returning to fig. 1, a spraying indicator light 150 connected with the control box in signal connection is convexly arranged at the top end of each fence post 110, and is used for reminding pedestrians and vehicles about to pass through a spraying road section when the folded fence 131 is used for spraying;
a human body induction switch 160 in signal connection with the control box is arranged on one side of the top end of each hurdle post 110 facing the pedestrian path and is used for sending a signal for stopping spraying operation to the control box when sensing a pedestrian about to pass through the spraying road section so as to prevent the pedestrian from being sprayed in the spraying operation process;
the control box is arranged on a pedestrian path, and a ground induction coil (not shown in the figure) which is connected with the control box in a signal control way is embedded in the traffic path in the coming direction, and is used for sending a signal for stopping spraying operation to the control box when sensing a vehicle which is about to pass through a spraying road section so as to prevent the vehicle from being sprayed in the spraying operation process; taking the speed limit of a road in a city as 30-60 km/h as an example, the distance between the ground induction coil and a fence post closest to a road section in front of a vehicle is 30-60 meters.
In the preferred embodiment of the multifunctional street guardrail of the present invention, each group of multifunctional street guardrail comprises 8-12 columns 110 and the lower cross bar 120, the folded rail 130 and the green planting groove 140 therebetween, and the distance between two adjacent columns 110 is 8-12 m; a drip irrigation pipe 144 is laid at the bottom of the inner side of each V-shaped green planting groove 140 in fig. 2, the drip irrigation pipes at the two sides of the column 110 in fig. 1 are communicated with the inside of the upper end of the column 110, a plurality of drip irrigation nozzles (or atomizing nozzles) 145 are arranged at intervals inside each planting frame 141, the bottom of each drip irrigation nozzle (or atomizing nozzle) 145 is communicated with the drip irrigation pipe 144 below the drip irrigation pipe, and one end of the drip irrigation pipe 144 closest to a ground sensing coil used by the multifunctional guardrail of the street is plugged; the hurdle column 110 farthest away from the ground sensing coil used by the group of multifunctional street guardrails is internally provided with a drip irrigation water pump in control connection with the control box, a drip irrigation water supply pipe communicated with the underground water storage tank is communicated with one end of the drip irrigation water pump, and the other end of the drip irrigation water pump is communicated with the drip irrigation pipe 144 closest to the hurdle column 110 through a corresponding pipe connecting piece.
Specifically, each group of the street multifunctional guardrails comprises 10 hurdle columns, and the distance between two adjacent hurdle columns 110 is 10 m; taking a vehicle at 50km/h on a traffic lane as an example, the ground induction coil is 50 meters away from a fence post at the nearest distance of a road section in front of the vehicle.
Specifically, two side walls of the V-shaped green plant groove 140 can be formed by bending the same iron sheet, and the included angle α between the two side walls is 90 °.
Specifically, an included angle β between the upper diagonal rod 131 and the lower diagonal rod 132 is 110 °; the included angle β with too small angle can reduce the water flow speed in the folded handrail 130, and the included angle β with too large angle can reduce the part of the folded handrail 130 protruding to the pedestrian way, which is not favorable for stably parking the bicycle.
Specifically, the lower cross bar 120 and the folded rail 130 are both made of square tubes; preferably, the diameter of the square tube used for the lower cross bar 120 is larger than the diameter of the square tube used for the folded rail 130.
The utility model discloses among the preferred embodiment of multi-functional guardrail in street, better be, be provided with integrated microcontroller's WIFI chip in the control box for receive the control command that remote workstation sent, need not the staff and go to road site work in person, spray the needs of operation in order to satisfy remote control, and improve the intelligent level of multi-functional guardrail in street.
For example, the drip irrigation water pump can be remotely controlled in a dry season, the drip irrigation nozzles 145 are used for automatically irrigating green plants, or the atomizing nozzles 145 are used for spraying water mist to the air, so that the air of urban roads can be cooled, purified and haze-removed; for another example, when the vehicle is driving at night and the pedestrians are rare, the spraying water pump and the spraying indicator light 150 are remotely controlled, the nozzle 135 on the folded rail 130 is used for spraying the traffic lane and the traffic lane, and the road surface of the traffic lane can be cleaned instead of the watering cart.
Specifically, the WIFI chip of the integrated microcontroller can adopt an ESP8-12F module or an ESP8266 Internet of things development board on the market, and the WIFI chip of the microcontroller is integrated.
In order to match the development of an intelligent transportation internet of things system, a two-dimensional code containing an electronic identity is preferably adhered to the outer surface of the control box; when the street multifunctional guardrail breaks down, related managers or citizens can use the WeChat to scan the two-dimensional code on the taper sleeve 110 and report the two-dimensional code, and fault information is transmitted to a remote workstation through the Internet so as to be reported to related maintenance departments for maintenance in time.
It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the art can add, subtract, replace, change or modify the above-mentioned embodiments within the spirit and principle of the present invention, and all such additions, substitutions, changes or modifications should fall within the scope of the appended claims.
Claims (9)
1. The utility model provides a multi-functional guardrail in street comprises railing frame and railing post, and railing frame connects between two adjacent railing posts, its characterized in that: the guardrail frame comprises a lower cross bar, a folded guardrail and a green planting groove, wherein,
the lower cross rod is horizontally connected between the lower parts of two adjacent fence columns, and the green planting groove is horizontally connected between the upper parts of two adjacent fence columns;
a plurality of folded handrails are vertically connected between the green planting groove and the lower cross bar at equal intervals, and the space between every two adjacent folded handrails is used for parking a bicycle;
the cross section of the green planting groove is V-shaped, and the included angle between two side walls of the green planting groove ranges from 60 degrees to 120 degrees; a planting frame and a filter net frame are erected in the green planting groove, and the planting frame is positioned above the filter net frame; the bottom of the green plant groove is provided with a water leakage hole;
each folded railing consists of an upper inclined rod and a lower inclined rod, and the upper end of the upper inclined rod is welded on the outer side wall of one side of the green plant groove, which faces the traffic lane, after being blocked; the lower end of the lower inclined rod is welded on the lower cross rod and is communicated with the lower cross rod; the lower end of the upper inclined rod and the upper end of the lower cross rod are inclined towards the direction of the pedestrian path; the upper end of the lower inclined rod is communicated with the lower end of the upper inclined rod in a welding mode, and the included angle between the upper inclined rod and the lower inclined rod ranges from 100 degrees to 130 degrees;
a plurality of lane water spraying holes are formed in one side, facing the lanes, of the upper inclined rod, and all the lane water spraying holes are arranged at equal intervals along the length direction of the upper inclined rod; a plurality of pedestrian path water spraying holes are formed in one side, facing the pedestrian path, of the lower inclined rod, and all the pedestrian path water spraying holes are arranged at equal intervals along the length direction of the lower inclined rod; nozzles with adjustable water spraying amount are arranged on each of the water spraying holes of the carriageway and the water spraying holes of the pedestrian ways;
a spraying water suction pump which is in control connection with the control box is arranged inside each fence post, a spraying upper water pipe which is communicated with the underground water storage tank is communicated with one end of the spraying water suction pump, the other end of the spraying water suction pump is communicated with the lower cross rod on the same side of the fence post through a corresponding pipe connecting piece and is used for pumping filtered water of the underground water storage tank, the filtered water is sprayed to the pedestrian path through a nozzle on the lower inclined rod, and meanwhile, the filtered water is sprayed to the pedestrian path through a nozzle on the upper inclined rod;
the top end of each fence post is convexly provided with a spraying prompting lamp which is in signal connection with the control box and is used for reminding pedestrians and vehicles about to pass through a spraying road section during spraying operation of the folded fence;
a human body induction switch in signal connection with the control box is arranged on one side, facing the pedestrian path, of the top end of each fence post and is used for sending a signal for stopping spraying operation to the control box when a pedestrian about to pass through the spraying road section is induced;
the control box is arranged on a pedestrian path, a ground induction coil connected with the control box in a signal control mode is buried in the traffic path in the coming direction, the distance between the ground induction coil and a rail column in front of a vehicle is 30-60 m, and the ground induction coil is used for sending a signal for stopping spraying operation to the control box when sensing the vehicle passing through the spraying road section.
2. The multi-functional guardrail in street of claim 1, characterized in that: each group of street multifunctional guardrail comprises 8-12 guardrail posts, and a lower cross bar, a folded guardrail and a green planting groove between the guardrail posts, wherein the distance between every two adjacent guardrail posts is 8-12 m;
drip irrigation pipes are laid at the bottom of the inner side of each V-shaped green planting groove, the drip irrigation pipes on the two sides of each fence post are communicated with the inside of the upper end of the fence post, a plurality of drip irrigation spray heads or atomizing spray heads are arranged inside each planting frame at intervals, the bottom of each drip irrigation spray head or atomizing spray head is communicated with the drip irrigation pipe below the drip irrigation pipe, and one end of the drip irrigation pipe closest to a ground sensing coil used by the multifunctional guardrail of the street is plugged;
the fence post farthest away from the ground sensing coil used by the group of multifunctional street guardrails is internally provided with a drip irrigation water suction pump in control connection with the control box, a drip irrigation water supply pipe communicated with the underground water storage tank is communicated with one end of the drip irrigation water suction pump, and the other end of the drip irrigation water suction pump is communicated with a drip irrigation pipe closest to the fence post through a corresponding pipe connecting piece.
3. The multi-functional guardrail in street of claim 2, characterized in that: each group of street multifunctional guardrail comprises 10 guardrail columns, and the distance between every two adjacent guardrail columns is 10 m; the ground induction coil is 50 meters away from the fence post closest to the road section in front of the vehicle.
4. The multi-functional guardrail in street of claim 1, characterized in that: two side walls of the V-shaped green planting groove can be formed by bending the same iron sheet, and the included angle between the two side walls is 90 degrees.
5. The multi-functional guardrail in street of claim 1, characterized in that: the included angle between the upper inclined rod and the lower inclined rod is 110 degrees.
6. The multi-functional guardrail in street of claim 1, characterized in that: the lower cross rod and the folded railing are both made of square tubes.
7. The multi-functional guardrail in street of claim 1, characterized in that: and a WIFI chip of an integrated microcontroller is arranged in the control box.
8. The multi-functional guardrail in street of claim 7, wherein: the WIFI chip of the integrated microcontroller adopts an ESP8-12F module or an ESP8266 Internet of things development board.
9. The multi-functional guardrail in street of claim 1, characterized in that: the outer surface of the control box is pasted with a two-dimensional code containing electronic identity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925952.5U CN212533850U (en) | 2020-05-28 | 2020-05-28 | Multi-functional guardrail in street |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925952.5U CN212533850U (en) | 2020-05-28 | 2020-05-28 | Multi-functional guardrail in street |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212533850U true CN212533850U (en) | 2021-02-12 |
Family
ID=74544527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020925952.5U Expired - Fee Related CN212533850U (en) | 2020-05-28 | 2020-05-28 | Multi-functional guardrail in street |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212533850U (en) |
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2020
- 2020-05-28 CN CN202020925952.5U patent/CN212533850U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |