CN112942185A - Telescopic banister is used in parking area - Google Patents

Telescopic banister is used in parking area Download PDF

Info

Publication number
CN112942185A
CN112942185A CN202110131110.1A CN202110131110A CN112942185A CN 112942185 A CN112942185 A CN 112942185A CN 202110131110 A CN202110131110 A CN 202110131110A CN 112942185 A CN112942185 A CN 112942185A
Authority
CN
China
Prior art keywords
driving
base
barrier gate
fixedly connected
moving
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.)
Withdrawn
Application number
CN202110131110.1A
Other languages
Chinese (zh)
Inventor
范军
洪流
丛吉宁
高盼盼
汪平
余志强
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.)
Beijing Yichuang Intelligent Technology Group Co ltd
Original Assignee
Beijing Yichuang Intelligent Technology Group 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 Beijing Yichuang Intelligent Technology Group Co ltd filed Critical Beijing Yichuang Intelligent Technology Group Co ltd
Priority to CN202110131110.1A priority Critical patent/CN112942185A/en
Publication of CN112942185A publication Critical patent/CN112942185A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/048Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage with obstructing members moving in a translatory motion, e.g. vertical lift barriers, sliding gates
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/24Reminder alarms, e.g. anti-loss alarms

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention discloses a telescopic barrier gate for a parking lot, which relates to the technical field of barrier gate equipment and comprises two equipment boxes, wherein two equipment boxes are arranged, a driving base is fixedly connected between the bottom ends of the two equipment boxes, a barrier gate driving mechanism is connected in the driving base, the barrier gate driving mechanism is connected with a telescopic blocking device, one side of each of the two equipment boxes is fixedly connected with a side connecting rod, one end of each side connecting rod, which is far away from the equipment box, is fixedly connected with a limiting base, and a rear vehicle limiting device is arranged on the limiting base. The safety of the vehicle passing through the barrier is improved.

Description

Telescopic banister is used in parking area
Technical Field
The invention relates to the technical field of barrier gate equipment, in particular to a telescopic barrier gate for a parking lot.
Background
The road brake is also called a car stopper, is a passage entrance and exit management device specially used for limiting the running of motor vehicles on roads, is widely applied to a road toll station and a parking lot system management vehicle passage at present, and is used for managing the entrance and the exit of the vehicles.
The electric barrier gate can realize the lifting rod through wireless remote control alone, also can carry out automatic management state through parking area management system (IC card swiping management system promptly), and the card is got in the admission and the vehicle is released, and during the departure, the automatic vehicle of releasing after collecting the parking fee, along with the continuous development of automotive industry and the increasing of automobile quantity, also more and more big to the demand of barrier gate, also proposed higher requirement to the performance of barrier gate. Such as banister integration core, clutch, intelligence are prevented lifting the function, are met and hinder return unit, intensification function (ensure to use under 40 ℃ below zero environment), convulsions cooling system (in time reduce motor temperature), automatic clutch, anticollision and take off lever apparatus etc.. The rise and fall speed of the rod varies from 0.8 seconds to 6 seconds. The length of the rod is 0-7 m, which is determined according to the actual channel width on site. The barrier gate has been developed to a high technology to meet the market demand for products, and becomes a key lane device in the parking lot system management.
The barrier gate that parking area often used at present adopts over-and-under type mostly, when with the car frequently, the phenomenon that the barrier gate pounded the pressure vehicle easily appears, and the safety in utilization is relatively poor, and economic dispute takes place easily, and above these problems just need improve traditional equipment, need provide a telescopic barrier gate for parking area to solve the problem that exists among the above-mentioned prior art.
Disclosure of Invention
The invention provides a telescopic road gate for a parking lot, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a telescopic banister is used in parking area, includes the equipment box, and the equipment box is equipped with two, fixed connection drive base between two equipment box bottoms, and the drive base in-connection has banister actuating mechanism, and flexible stop device is connected to banister actuating mechanism, the equal fixed connection lateral part connecting rod in one side of two equipment boxes, the spacing base of one end fixed connection of equipment box is kept away from to the lateral part connecting rod, is equipped with back car limiting device on the spacing base.
As a preferred technical scheme of the invention, the telescopic blocking device comprises a moving groove arranged at the top of the driving base, two moving rods are connected in the moving groove in a sliding manner, a plurality of stop rods are fixedly connected to the adjacent sides of the two moving rods, and the stop rods on the two moving rods are arranged in a staggered manner.
As a preferable technical solution of the present invention, the barrier driving mechanism includes a second driving screw fixedly disposed at one end in the driving base, two second moving blocks are connected to an external thread of the second driving screw, a side driving seat is fixedly disposed at one side of the second moving blocks, a driving gear is rotatably connected in the side driving seat, a side straight rod is fixedly connected to an inner side wall of the driving base, the side straight rod is disposed in parallel with the second driving screw, and a fixed tooth engaged with the driving gear is fixedly disposed at a side edge of the side straight rod.
As a preferable technical solution of the present invention, two sections of external threads corresponding to the two second moving blocks are provided outside the second driving screw, and the thread directions of the two sections of external threads are opposite.
According to a preferable technical scheme of the invention, the arrangement length of the fixed teeth is equal to one fourth of the perimeter of the driving gear, and the magnet blocks are embedded in the side driving seats on the driving gear and below the driving gear.
As a preferred technical scheme of the present invention, the rear vehicle limiting device includes a first driving motor fixedly disposed at one end in a limiting base, an output shaft of the first driving motor is fixedly connected to a first driving screw, an external thread of the first driving screw is connected to a first moving block, a top of the first moving block is rotatably connected to a push rod, a top of the limiting base is rotatably connected to a limiting plate, and the push rod is rotatably connected to a bottom of the limiting plate.
As a preferable technical scheme of the invention, the top of the limiting plate is provided with a pressing warning device, the pressing warning device comprises an inner groove formed in the top of the limiting plate, an arc-shaped outer cover is arranged above the inner groove and fixedly connected with the limiting plate, a pressing block is slidably connected in the arc-shaped outer cover, the bottom end in the inner groove is fixedly connected with a spring, and the spring is fixedly connected with the pressing block.
As a preferred technical solution of the present invention, the bottom end of the inner groove is fixedly connected to the second conductive block, the bottom end of the pressing block is fixedly provided with the first conductive block corresponding to the second conductive block, the top end of the side link is fixedly connected to the warning light, the warning light is electrically connected to the second conductive block, and the first conductive block is connected to an external power source.
As a preferred technical scheme of the invention, the end part of the limiting base is fixedly connected with an end part inclined block, and a plurality of auxiliary convex strips are fixedly arranged on both sides of the driving base.
The invention has the following advantages: the invention can realize the translation and steering of the moving rod and the stop rod by arranging the barrier gate driving mechanism and the telescopic blocking mechanism, has the telescopic blocking effect, can control the inclination of the limiting plate by arranging the rear vehicle limiting device to block the advancing of the rear vehicle, and can give an alarm when the following distance of the rear vehicle exceeds the limit by arranging the pressing warning device, thereby reminding the vehicle driver and improving the safety when the vehicle passes through the barrier gate.
Drawings
Fig. 1 is a plan view of a retractable barrier for a parking lot.
Fig. 2 is a side view of the retractable barrier for a parking lot.
Fig. 3 is a schematic structural view of a rear vehicle restraint device in the retractable barrier gate for a parking lot.
Fig. 4 is a schematic structural view of a pressing warning device in a retractable barrier gate for a parking lot.
Fig. 5 is a schematic structural view of a barrier driving mechanism in the retractable barrier for a parking lot.
In the figure: 1. an equipment box; 2. a drive base; 3. a moving groove; 4. a travel bar; 5. a stop lever; 6. a side link; 7. a warning light; 8. a limiting base; 9. a limiting plate; 10. auxiliary convex strips; 11. an end inclined block; 12. a first drive motor; 13. a first drive screw; 14. a first moving block; 15. a push rod; 16. pressing the warning device; 17. an arc-shaped outer cover; 18. a pressing block; 19. an inner tank; 20. a spring; 21. a first conductive block; 22. a second conductive block; 23. a second drive screw; 24. a second moving block; 25. a side driving seat; 26. a drive gear; 27. a side straight rod; 28. and (5) fixing the teeth.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, a retractable barrier gate for a parking lot comprises two equipment boxes 1, wherein two equipment boxes 1 are arranged, a driving base 2 is fixedly connected between the bottom ends of the two equipment boxes 1, a barrier gate driving mechanism is connected in the driving base 2, the barrier gate driving mechanism is connected with a retractable blocking device, one side of each of the two equipment boxes 1 is fixedly connected with a lateral connecting rod 6, one end, far away from the equipment boxes 1, of each lateral connecting rod 6 is fixedly connected with a limiting base 8, and a rear vehicle limiting device is arranged on each limiting base 8.
Flexible stop device is including offering the shifting chute 3 at 2 tops of drive base, two carriage release levers 4 of sliding connection in the shifting chute 3, a plurality of pin 5 of the equal fixed connection in adjacent side of two carriage release levers 4, the setting of staggering of pin 5 on two carriage release levers 4.
The barrier driving mechanism comprises a second driving screw 23 fixedly arranged at one end in the driving base 2, two second moving blocks 24 are connected to the outer portion of the second driving screw 23 through threads, a side driving seat 25 is fixedly arranged on one side of each second moving block 24, a driving gear 26 is rotatably connected in the side driving seat 25, a side straight rod 27 is fixedly connected to the inner side wall of the driving base 2, the side straight rod 27 is arranged in parallel with the second driving screw 23, and fixing teeth 28 meshed with the driving gear 26 are fixedly arranged on the side edge of the side straight rod 27.
Two sections of external threads corresponding to the two second moving blocks 24 are arranged outside the second driving screw 23, and the thread directions of the two sections of external threads are opposite.
The arrangement length of the fixed teeth 28 is equal to one fourth of the perimeter of the driving gear 26, and magnet blocks are embedded in the side driving seats 25 on the driving gear 26 and below the driving gear 26.
The rear vehicle limiting device comprises a first driving motor 12 fixedly arranged at one end in a limiting base 8, an output shaft of the first driving motor 12 is fixedly connected with a first driving screw 13, the outer portion of the first driving screw 13 is in threaded connection with a first moving block 14, the top of the first moving block 14 is rotatably connected with a push rod 15, the top of the limiting base 8 is rotatably connected with a limiting plate 9, and the push rod 15 is rotatably connected with the bottom of the limiting plate 9.
Example 2
Referring to fig. 1 to 5, the other contents of the present embodiment are the same as embodiment 1, except that: the top of limiting plate 9 is equipped with presses warning device 16, presses warning device 16 including seting up in the inside groove 19 at limiting plate 9 top, and the top of inside groove 19 is equipped with arc dustcoat 17, and arc dustcoat 17 and limiting plate 9 fixed connection, sliding connection has the pressure piece 18 in the arc dustcoat 17, bottom fixed connection spring 20 in the inside groove 19, spring 20 and pressure piece 18 fixed connection. The bottom end in the inner groove 19 is fixedly connected with a second conductive block 22, the bottom end of the pressing block 18 is fixedly provided with a first conductive block 21 corresponding to the second conductive block 22, the top end of the side connecting rod 6 is fixedly connected with a warning lamp 7, the warning lamp 7 is electrically connected with the second conductive block 22, and the first conductive block 21 is connected with an external power supply. The tip fixed connection tip sloping block 11 of spacing base 8, the both sides of drive base 2 are all fixed and are equipped with a plurality of supplementary sand grips 10.
In the implementation process of the invention, when a vehicle reaches between the two side connecting rods 6, the second driving motor is started to drive the second driving screw 23 to rotate, so that the two second moving blocks 24 drive the moving rod 4 and the stop lever 5 to move, in the moving process, the driving gear 26 is meshed with the fixed teeth 28 to realize rotation, so that the moving rod 4 and the stop lever 5 are driven to rotate and move at the same time, the moving rod 4 and the stop lever 5 rotate ninety degrees to release the vehicle, and after the vehicle passes through a barrier, the moving rod 4 and the stop lever 5 reset. When the rear vehicle follows, the front wheel of the rear vehicle is blocked by the limiting plate 9, the limiting plate 9 is in an inclined state at the moment, when the rear vehicle is allowed to advance, the first driving motor 12 is controlled to drive the first driving screw 13 to rotate, the first moving block 14 drives the push rod 15 to move, the limiting plate 9 is pulled to rotate horizontally to allow the vehicle to pass through, when the vehicle passes through forcibly, the wheel is pressed on the pressing block 18, the first conductive block 21 is in contact with the second conductive block 22, and the warning lamp 7 is powered to emit light for warning.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a telescopic banister is used in parking area, including equipment box (1), equipment box (1) is equipped with two, fixed connection drive base (2) between two equipment box (1) bottoms, a serial communication port, drive base (2) in-connection has banister actuating mechanism, flexible stop device is connected to banister actuating mechanism, equal fixed connection lateral part connecting rod (6) in one side of two equipment box (1), the one end fixed connection limit base (8) of equipment box (1) are kept away from in lateral part connecting rod (6), be equipped with back car limiting device on limit base (8).
2. The retractable barrier gate for the parking lot as claimed in claim 1, wherein the retractable blocking device comprises a moving groove (3) opened at the top of the driving base (2), two moving rods (4) are slidably connected in the moving groove (3), a plurality of blocking rods (5) are fixedly connected to adjacent sides of the two moving rods (4), and the blocking rods (5) on the two moving rods (4) are arranged in a staggered manner.
3. The retractable barrier gate for the parking lot as claimed in claim 2, wherein the barrier gate driving mechanism comprises a second driving screw (23) fixedly arranged at one end in the driving base (2), two second moving blocks (24) are connected to the outer portion of the second driving screw (23) in a threaded manner, a side driving seat (25) is fixedly arranged on one side of each second moving block (24), a driving gear (26) is rotatably connected to each side driving seat (25), a side straight rod (27) is fixedly connected to the inner side wall of the driving base (2), the side straight rod (27) is arranged in parallel with the second driving screw (23), and a fixed tooth (28) meshed with the driving gear (26) is fixedly arranged on the side edge of the side straight rod (27).
4. The retractable barrier gate for parking lots according to claim 3, wherein the second driving screw (23) is externally provided with two sections of external threads corresponding to the two second moving blocks (24), and the two sections of external threads are opposite in thread direction.
5. The retractable barrier gate for parking lot as claimed in claim 3, wherein the fixed teeth (28) are arranged in a length equal to a quarter of the circumference of the driving gear (26), and magnets are embedded in the side driving seats (25) on and under the driving gear (26).
6. The retractable barrier gate for the parking lot as claimed in claim 1, wherein the rear vehicle limiting device comprises a first driving motor (12) fixedly arranged at one end in a limiting base (8), an output shaft of the first driving motor (12) is fixedly connected with a first driving screw (13), a first moving block (14) is connected to the outer portion of the first driving screw (13) in a threaded manner, the top of the first moving block (14) is rotatably connected with a push rod (15), the top of the limiting base (8) is rotatably connected with a limiting plate (9), and the push rod (15) is rotatably connected with the bottom of the limiting plate (9).
7. The retractable barrier gate for the parking lot as claimed in claim 6, wherein a pressing warning device (16) is arranged at the top of the limiting plate (9), the pressing warning device (16) comprises an inner groove (19) formed in the top of the limiting plate (9), an arc-shaped outer cover (17) is arranged above the inner groove (19), the arc-shaped outer cover (17) is fixedly connected with the limiting plate (9), a pressing block (18) is slidably connected with the arc-shaped outer cover (17), a spring (20) is fixedly connected to the bottom end in the inner groove (19), and the spring (20) is fixedly connected with the pressing block (18).
8. The retractable barrier gate for parking lot as claimed in claim 7, wherein the bottom end of the inner groove (19) is fixedly connected with the second conductive block (22), the bottom end of the pressing block (18) is fixedly provided with the first conductive block (21) corresponding to the second conductive block (22), the top end of the side link (6) is fixedly connected with the warning light (7), the warning light (7) is electrically connected with the second conductive block (22), and the first conductive block (21) is connected with an external power supply.
9. The retractable barrier gate for parking lot according to claim 1, wherein the end of the limit base (8) is fixedly connected with an end sloping block (11), and a plurality of auxiliary convex strips (10) are fixedly arranged on both sides of the driving base (2).
CN202110131110.1A 2021-01-30 2021-01-30 Telescopic banister is used in parking area Withdrawn CN112942185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110131110.1A CN112942185A (en) 2021-01-30 2021-01-30 Telescopic banister is used in parking area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110131110.1A CN112942185A (en) 2021-01-30 2021-01-30 Telescopic banister is used in parking area

Publications (1)

Publication Number Publication Date
CN112942185A true CN112942185A (en) 2021-06-11

Family

ID=76240512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110131110.1A Withdrawn CN112942185A (en) 2021-01-30 2021-01-30 Telescopic banister is used in parking area

Country Status (1)

Country Link
CN (1) CN112942185A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144618U (en) * 1984-03-05 1985-09-25 協永産業株式会社 Vehicle intrusion alarm system for construction sites
CN202466462U (en) * 2012-01-02 2012-10-03 曹新勇 Movable vehicle stopping roadblock for road junction
CN205223910U (en) * 2015-11-26 2016-05-11 青岛茂源金属集团有限公司 Convertible automobile guide plate and have this automobile guide plate's stereo garage
CN205531578U (en) * 2016-02-25 2016-08-31 郑忠义 Underground parking garage special use reminding device that backs a car
CN207718638U (en) * 2017-12-14 2018-08-10 湖南湘华优路交通科技有限公司 A kind of berth lock that can be navigated under no network condition
CN208472614U (en) * 2018-06-14 2019-02-05 湖北智造家科技有限公司 A kind of new type of safe banister
CN109680635A (en) * 2018-11-16 2019-04-26 闽南理工学院 The intelligently lock of view-based access control model system
CN209854594U (en) * 2018-12-05 2019-12-27 天津易华录信息技术有限公司 Community is banister for underground parking garage
CN210912686U (en) * 2019-11-28 2020-07-03 郑州大学 Mechanical device for parking Internet of things electric vehicle
CN212077723U (en) * 2020-01-16 2020-12-04 天津盈石科技有限公司 Telescopic banister is used in parking area
CN112277705A (en) * 2020-12-01 2021-01-29 湖南省润诚达新能源科技股份有限公司 Electric automobile fills electric pile with intelligence ground lock

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144618U (en) * 1984-03-05 1985-09-25 協永産業株式会社 Vehicle intrusion alarm system for construction sites
CN202466462U (en) * 2012-01-02 2012-10-03 曹新勇 Movable vehicle stopping roadblock for road junction
CN205223910U (en) * 2015-11-26 2016-05-11 青岛茂源金属集团有限公司 Convertible automobile guide plate and have this automobile guide plate's stereo garage
CN205531578U (en) * 2016-02-25 2016-08-31 郑忠义 Underground parking garage special use reminding device that backs a car
CN207718638U (en) * 2017-12-14 2018-08-10 湖南湘华优路交通科技有限公司 A kind of berth lock that can be navigated under no network condition
CN208472614U (en) * 2018-06-14 2019-02-05 湖北智造家科技有限公司 A kind of new type of safe banister
CN109680635A (en) * 2018-11-16 2019-04-26 闽南理工学院 The intelligently lock of view-based access control model system
CN209854594U (en) * 2018-12-05 2019-12-27 天津易华录信息技术有限公司 Community is banister for underground parking garage
CN210912686U (en) * 2019-11-28 2020-07-03 郑州大学 Mechanical device for parking Internet of things electric vehicle
CN212077723U (en) * 2020-01-16 2020-12-04 天津盈石科技有限公司 Telescopic banister is used in parking area
CN112277705A (en) * 2020-12-01 2021-01-29 湖南省润诚达新能源科技股份有限公司 Electric automobile fills electric pile with intelligence ground lock

Similar Documents

Publication Publication Date Title
CN105275303B (en) A kind of asynchronous transmission device for rail vehicle sliding plug door system
CN205742015U (en) A kind of night vision banister of optional clearance
CN211420960U (en) Parking barrier gate device
CN101554873A (en) Double-layer or multi-layer scalable foot-miss prevention plate Mechanism for removing clearance between rail transit carriage and platform
CN112942185A (en) Telescopic banister is used in parking area
CN102602455A (en) Retractable frame
CN109898406A (en) A kind of liftable municipal bridge of guardrail
WO2024066826A1 (en) In-air guide column rail safe and energy-saving vehicle driving system
CN106945474A (en) A kind of public transport passenger-traffic system without pulling in
CN105711564A (en) Anti-backward motion device of car
CN201738260U (en) Traffic safety wall
CN212077723U (en) Telescopic banister is used in parking area
CN216380794U (en) A novel way gate structure for wisdom parking area
CN106555382B (en) Multifunctional access control system for automobile road
CN205381258U (en) Rubber braking vane with metal peg
CN202017367U (en) Electric vehicle parking position lock for stereo garage
CN110670509B (en) Barrier gate device for vehicle management
CN209955798U (en) Wireless charging positioning mechanism for electric automobile
CN209082390U (en) A kind of intelligent barrier gate device
CN207296523U (en) A kind of traversing garage apparatus of J-type track
CN204920361U (en) Multilayer automatic stopping structure
CN219671165U (en) Integrated road gate
CN219908690U (en) Channel gate for parking lot
CN218150105U (en) Wheel stopping device suitable for stereo garage
CN220377145U (en) Road side safety protection device in road construction period

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210611

WW01 Invention patent application withdrawn after publication