CN111139771B - Automobile reverse driving prevention device with self-cleaning function - Google Patents
Automobile reverse driving prevention device with self-cleaning function Download PDFInfo
- Publication number
- CN111139771B CN111139771B CN202010013631.2A CN202010013631A CN111139771B CN 111139771 B CN111139771 B CN 111139771B CN 202010013631 A CN202010013631 A CN 202010013631A CN 111139771 B CN111139771 B CN 111139771B
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- Prior art keywords
- pipe
- reverse
- running
- main
- fixedly connected
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- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 13
- 238000005406 washing Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/10—Vehicle barriers specially adapted for allowing passage in one direction only
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention belongs to the field of traffic safety, and particularly relates to an automobile retrograde motion prevention device with a self-cleaning function, which comprises a horizontally arranged main pipe arranged below the ground, wherein the main pipe comprises a forward end and a retrograde end, both ends of the forward end and the retrograde end are sealed, the upper side wall of the main pipe is fixedly communicated with a plurality of branch pipes which are vertically arranged, the upper ends of the branch pipes are sealed, each branch pipe is hermetically and slidably connected with a horizontally arranged sliding plate, a reset spring is fixedly connected between each sliding plate and the inner top surface of each branch pipe, the upper side wall of each sliding plate is fixedly connected with a vertically arranged connecting rod, and the upper end of each connecting rod extends to the outer part of each branch pipe and is fixedly connected with an retrograde motion prevention belt. When the automobile runs forwards and rolls to the anti-reverse-running belt, the air pressure in the main pipe can extrude the elastic air bag, so that water in the elastic air bag is sprayed to gaps between the anti-reverse-running main belt and the anti-reverse-running belts through the water spraying pipe, dust which is difficult to clean in the gaps can be removed, and the automobile is prevented from lifting larger dust when running through the anti-reverse-running main belt.
Description
Technical Field
The invention belongs to the field of traffic safety, and particularly relates to an automobile back-driving prevention device with a self-cleaning function.
Background
In the management process of road traffic, traffic safety has extremely important significance, one person can be damaged by traffic accidents every minute in China, and the traffic accidents caused by the reverse running of vehicles occupy a larger proportion.
When road safety management is carried out, measures such as placing warning boards on the roadside or setting deceleration strips on the road surface of a specific area are usually adopted to reduce the occurrence of the phenomenon of automobile reverse driving, but the warning boards are often ignored by drivers, and the deceleration strips can influence the automobile which runs in the forward direction.
To this end, we propose a device for preventing a vehicle from running backwards with a self-cleaning function to solve the above problems.
Disclosure of Invention
The invention aims to provide a safer automobile retrograde motion preventing device with a self-cleaning function, aiming at the problem that the potential safety hazard of some traditional automobile retrograde motion preventing devices is large.
In order to achieve the purpose, the invention adopts the following technical scheme: a device for preventing a vehicle from running backwards with a self-cleaning function comprises a header pipe which is arranged below the ground and horizontally arranged, wherein the header pipe comprises a forward running end and a backward running end, two ends of the forward running end and the backward running end are sealed and arranged, the upper side wall of the header pipe is fixedly communicated with a plurality of branch pipes which are all vertically arranged, the upper ends of the branch pipes are sealed and arranged, each branch pipe is internally and hermetically and slidably connected with a horizontally arranged sliding plate, a reset spring is fixedly connected between the sliding plate and the inner top surface of the branch pipe, the upper side wall of the sliding plate is fixedly connected with a vertically arranged connecting rod, the upper end of the connecting rod extends to the outer part of the branch pipe and is fixedly connected with a backward running preventing belt, the backward running preventing belt extends to the position above the ground, a connecting main rod which is arranged in parallel with the branch pipes is arranged above the backward running end, and the lower end of the connecting main rod extends to the inner part of the header pipe, the utility model discloses a sealing device, including connecting main rod, return main spring, spacing ring, the fixed intercommunication of the lower extreme of house steward has the sealed sliding connection's of connecting main rod sealing pipe, be equipped with the type of restricting valve on the lateral wall of sealing pipe, the retrograde motion end is equipped with clean mechanism.
The invention has the beneficial effects that:
when the automobile runs reversely, the anti-reverse-running main belt can be firstly rolled, the connecting main rod is extruded into the sealing pipe, and the limiting type flow limiting valve is arranged on the side wall of the sealing pipe, so that the connecting main pipe cannot be moved out of the sealing pipe in a short time, the anti-reverse-running belt is difficult to descend when the wheels roll the anti-reverse-running belt again, the obvious jolting feeling can be given to a driver, and the influence on the forward-running automobile cannot be caused.
In foretell prevent car retrograde motion device with self-cleaning function, clean mechanism includes the elastic airbag of fixed connection in house steward's retrograde motion end, prevent all being equipped with many spray pipes between retrograde motion owner's area and a plurality of retrograde motion of preventing, the one end fixedly connected with stripper plate that the elastic airbag is close to the connecting rod, the fixed intercommunication of the other end of elastic airbag has one-way inlet tube, fixed intercommunication has one-way outlet pipe on the lateral wall of elastic airbag, one-way outlet pipe all communicates with many spray pipes.
When the automobile runs forwards and rolls the anti-reverse-running belt, the air pressure in the main pipe can extrude the elastic air bag, so that water in the elastic air bag is sprayed to the gaps between the anti-reverse-running main belt and the anti-reverse-running belts through the water spraying pipes, dust which is difficult to clean in the gaps can be removed, and the automobile is prevented from running and lifting larger dust.
In the device with a self-cleaning function for preventing the reverse running of the automobile, the sections of the main belt for preventing the reverse running and the plurality of belts for preventing the reverse running are both in a wedge shape with an inclined surface facing the forward running end, the lower ends of the main belt for preventing the reverse running and the plurality of belts for preventing the reverse running are both provided with the telescopic tanks, and the plurality of telescopic tanks are communicated through the one-way communicating pipe.
The anti-reverse-running belt and the anti-reverse-running main belt can be rolled one by one in the forward running process of the automobile, and the inclined planes of the anti-reverse-running belt and the anti-reverse-running main belt are arranged towards the forward running end, so that the influence of the device on the forward running automobile can be effectively reduced.
The sewage after the washing can assemble in a plurality of flexible inslots, and the one-way intercommunication bank of tubes of rethread is to the sewer, need not the manual work and clears up labour saving and time saving sewage.
In the device with the self-cleaning function for preventing the reverse running of the automobile, the lower bottom surfaces of the telescopic grooves are all arranged in a downward concave mode, sewage can flow into the one-way communication pipe along the concave surfaces, the amount of the sewage in the telescopic grooves is reduced, and the sewage is drained away in time.
In the device with self-cleaning function for preventing the reverse running of the automobile, the side wall of the forward end of the main pipe is fixedly communicated with an air outlet pipe, the other end of the air outlet pipe is fixedly connected with a warning whistle, and a flow-limiting one-way valve is arranged in the air outlet pipe.
When the automobile runs reversely, the anti-reverse main belt can be pressed into the sealing pipe, when the wheels are pressed into the anti-reverse belt, the bumping feeling can be caused, the increased pressure in the main pipe can also blow a warning whistle through the air outlet pipe, and the driver is effectively warned.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a device for preventing a vehicle from moving backwards, which has a self-cleaning function and is provided by the present invention;
FIG. 2 is a schematic top view of a part of the external structure of an embodiment 1 of the device for preventing a vehicle from moving backward with a self-cleaning function according to the present invention;
fig. 3 is a schematic structural diagram of an embodiment 2 of the device for preventing a vehicle from running backwards, which has a self-cleaning function and is provided by the invention.
In the figure, a main pipe 1, a forward end 2, a reverse end 3, a branch pipe 4, a sliding plate 5, a return spring 6, a connecting rod 7, a reverse-running prevention belt 8, a connecting main rod 9, a return main spring 10, a limiting ring 11, a sealing pipe 12, an elastic air bag 13, a reverse-running prevention main belt 14, a water spray pipe 15, a one-way water inlet pipe 16, a one-way water outlet pipe 17, a telescopic groove 18, a one-way communicating pipe 19, a gas outlet pipe 20 and a warning whistle 21.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-2, a device for preventing a vehicle from reversing with a self-cleaning function comprises a header pipe 1 which is arranged below the ground and horizontally arranged, wherein a single-row air inlet hole is formed in the side wall of the header pipe 1, the header pipe 1 has good wear resistance and sealing performance and can be a common plastic pipe, the header pipe 1 comprises a forward end 2 and a reverse end 3 which are arranged at two ends of the header pipe in a sealing mode, the vehicle runs from the forward end 2 to the reverse end 3 in a forward direction, and runs from the reverse end 3 to the forward end 2 in a reverse direction, a plurality of branch pipes 4 which are all vertically arranged are fixedly communicated with the upper side wall of the header pipe 1, and the upper ends of the branch pipes 4 are all arranged in a sealing mode.
Every divides and all seals sliding connection has sliding plate 5 that the level set up in the pipe 4, sliding plate 5 and divide fixedly connected with reset spring 6 between the pipe 4 interior top surface, reset spring 6 is the contraction status under normal conditions, the connecting rod 7 of the vertical setting of the last lateral wall fixedly connected with of sliding plate 5, the upper end of connecting rod 7 extends to the outside setting and the fixedly connected with of branch pipe 4 and prevents the area 8 that moves backwards, every last lateral wall of branch pipe 4 all is equipped with the intercommunicating pore, connecting rod 7 and branch pipe 4 sliding connection, prevent that the area 8 that moves backwards extends to the above-ground setting (as shown in figure 1).
Be close to the top of retrograde motion end 3 be equipped with a plurality of 4 parallel arrangement's of branch pipe connecting main rod 9, the lower extreme of connecting main rod 9 extends to the house steward 1 in and sets up, the upper end fixedly connected with of connecting main rod 9 extends to the main area 14 that prevents retrograde motion that sets up above the ground, prevent that the main area 14 that prevents retrograde motion is promptly to set up at the main area 8 that prevents retrograde motion that is closest to retrograde motion end 3, it should be said that, the main area 14 that prevents retrograde motion and a plurality of the main area 8 that prevent retrograde motion all are the inclined plane and move forward the wedge setting of end 2, can effectively reduce the influence of this device to the vehicle that goes in the same direction.
Prevent that retrograde motion owner takes 14 and a plurality of lower extreme of preventing retrograde motion area 8 all is equipped with flexible groove 18, a plurality of flexible grooves 18 all communicate through one-way communicating pipe 19, sewage after the washing can assemble in a plurality of flexible grooves 18, 19 downward waterways are arranged to the one-way communicating pipe of rethread, need not the manual work and clear up sewage, time saving and labor saving, what is worth mentioning is, the equal undercut setting in lower bottom surface of a plurality of flexible grooves 18, sewage can be along the sunken face converge in one-way communicating pipe 19, reduce the volume of sewage in the flexible groove 18, in time drain sewage.
The fixed cover of one end that connecting main rod 9 is located house steward 1 has connect main spring 10 and spacing ring 11 that resets, main spring 10 fixed connection that resets is between house steward 1's interior top surface and spacing ring 11, main spring 10 that resets is the contraction state under normal conditions, house steward 1's the fixed intercommunication of lower extreme have with connecting main rod 9 sealing sliding connection's sealed tube 12, be equipped with the type of restricting flow valve of restricting into on the lateral wall of sealed tube 12, the type of restricting flow valve of restricting into can make the gas in the sealed tube 12 discharge more easily, can make external gas slow entering sealed tube 12 when the intraductal negative pressure that is, this is prior art, do not do too much repeated here.
Reverse side end 3 is equipped with clean mechanism, it is concrete, clean mechanism includes elastic airbag 13 of fixed connection in house steward 1's reverse side end 3, prevent all being equipped with many spray pipes 15 between reverse side main band 14 and a plurality of reverse side of preventing area 8, elastic airbag 13 is close to the one end fixedly connected with stripper plate of connecting mobile jib 9, stripper plate and house steward 1's inside wall sliding connection, elastic airbag 13's the fixed intercommunication in other end has one-way inlet tube 16, one-way inlet tube 16 and municipal water pipe intercommunication, realize the replenishment of water, fixed intercommunication has one-way outlet pipe 17 on elastic airbag 13's the lateral wall, one-way outlet pipe 17 all communicates with many spray pipes 15.
The invention can be illustrated by the following operating modes:
when the automobile is driven in the forward direction, the anti-reverse-running belt 8 can be rolled from the forward running end 2, the descending anti-reverse-running belt can drive the sliding plate 5 to move downwards through the connecting rod 7, the extrusion plate can be pushed to move by the increased air pressure in the header pipe 1, so that the elastic air bag 13 is extruded, water in the elastic air bag 13 can be sprayed to the gaps between the anti-reverse-running main belt 14 and the anti-reverse-running belts 8 from the water spray pipe 15 through the one-way water outlet pipe 17, dust which is difficult to clean in the gaps can be removed, and the automobile is prevented from driving to generate larger raised dust.
The sewage after the washing can assemble in a plurality of flexible grooves 18, and when the car rolled to prevent that retrograde motion area 8 makes its downstream, the sewage in the flexible groove 18 can flow to the sewer in through one-way communicating pipe 19, need not manual operation and just can realize clearing up labour saving and time saving to sewage.
When the automobile runs reversely, the main anti-reverse-running belt 14 is firstly rolled, the connecting main rod 9 is extruded into the sealing pipe 12, the limiting type flow limiting valve is arranged on the side wall of the sealing pipe 12, external air can slowly enter the sealing pipe 12, the automobile can sequentially roll the anti-reverse-running belt 8 in the period, the air pressure in the main pipe 1 can be obviously increased, the anti-reverse-running belt 8 is difficult to drop, an obvious bumpiness feeling is given to a driver, and the driver is forced to stop running reversely.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that: the side wall of the forward end 2 of the main pipe 1 is fixedly communicated with an air outlet pipe 20, the other end of the air outlet pipe 20 is fixedly connected with a warning whistle 21, a flow-limiting one-way valve is arranged in the air outlet pipe 20, and when the air pressure in the main pipe 1 reaches a limit value of the flow-limiting one-way valve, the air in the pipe can be discharged through the air outlet pipe 20.
In this embodiment, when the automobile runs in the reverse direction, the main anti-reverse-driving belt 14 is pressed into the sealing pipe 12, when the wheel is pressed into the anti-reverse-driving belt 8 again, the bumping feeling can be caused, and the increased pressure in the main pipe 1 can also blow the warning whistle 21 through the air outlet pipe 20, so as to effectively warn the driver.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The automobile retrograde motion prevention device with the self-cleaning function comprises a header pipe (1) which is arranged below the ground and is horizontally arranged, and is characterized in that the header pipe (1) comprises a forward end (2) and a retrograde end (3) which are arranged at two ends of the header pipe in a sealing way, the upper side wall of the header pipe (1) is fixedly communicated with a plurality of branch pipes (4) which are vertically arranged, the upper ends of the branch pipes (4) are arranged in a sealing way, each branch pipe (4) is internally and hermetically connected with a sliding plate (5) which is horizontally arranged in a sliding way, a reset spring (6) is fixedly connected between the sliding plate (5) and the inner top surface of the branch pipe (4), the upper side wall of the sliding plate (5) is fixedly connected with a connecting rod (7) which is vertically arranged, the upper end of the connecting rod (7) extends to the outer part of the branch pipe (4) and is fixedly connected with an retrograde motion prevention belt (8), and the retrograde motion prevention belt (8) extends to the ground, be close to the top of retrograde motion end (3) is equipped with connecting main rod (9) with a plurality of minute pipe (4) parallel arrangement, the lower extreme of connecting main rod (9) extends to and sets up in house steward (1), the upper end fixedly connected with of connecting main rod (9) extends to the main area of preventing retrograde motion (14) that sets up more than ground, the fixed cover of one end that connecting main rod (9) are located house steward (1) has reset main spring (10) and spacing ring (11), reset main spring (10) fixed connection is between the interior top surface and spacing ring (11) of house steward (1), the fixed intercommunication of lower extreme of house steward (1) has sealed tube (12) with connecting main rod (9) sealed sliding connection, be equipped with the type of injecing flow limiting valve on the lateral wall of sealed tube (12), retrograde motion end (3) are equipped with clean mechanism.
2. The device for preventing the reverse driving of the automobile with the self-cleaning function according to claim 1, wherein the cleaning mechanism comprises an elastic air bag (13) fixedly connected in a reverse driving end (3) of the header pipe (1), a plurality of water spray pipes (15) are arranged between the reverse driving preventing main belt (14) and the reverse driving preventing belts (8), one end of the elastic air bag (13) close to the connecting main rod (9) is fixedly connected with an extrusion plate, the other end of the elastic air bag (13) is fixedly communicated with a one-way water inlet pipe (16), a one-way water outlet pipe (17) is fixedly communicated with the side wall of the elastic air bag (13), and the one-way water outlet pipe (17) is communicated with the water spray pipes (15).
3. The device with self-cleaning function for preventing the reverse running of the automobile as claimed in claim 1, wherein the sections of the main belt (14) and the plurality of belts (8) are all arranged in a wedge shape with an inclined surface facing the forward running end (2), the lower ends of the main belt (14) and the plurality of belts (8) are all provided with telescopic grooves (18), and the telescopic grooves (18) are all communicated through a one-way communication pipe (19).
4. The device for preventing reverse running of a vehicle with a self-cleaning function according to claim 3, wherein the lower bottom surfaces of the plurality of telescopic grooves (18) are all recessed downward.
5. The device with self-cleaning function for preventing the reverse driving of the automobile as claimed in claim 4, wherein the side wall of the forward driving end (2) of the main pipe (1) is fixedly communicated with an air outlet pipe (20), the other end of the air outlet pipe (20) is fixedly connected with a warning whistle (21), and a flow-limiting one-way valve is arranged in the air outlet pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010013631.2A CN111139771B (en) | 2020-01-07 | 2020-01-07 | Automobile reverse driving prevention device with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010013631.2A CN111139771B (en) | 2020-01-07 | 2020-01-07 | Automobile reverse driving prevention device with self-cleaning function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111139771A CN111139771A (en) | 2020-05-12 |
| CN111139771B true CN111139771B (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010013631.2A Expired - Fee Related CN111139771B (en) | 2020-01-07 | 2020-01-07 | Automobile reverse driving prevention device with self-cleaning function |
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| Country | Link |
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| CN (1) | CN111139771B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622038B (en) * | 2020-06-12 | 2022-06-21 | 山东祥瑞路桥工程有限公司 | Building bridge road surface cleaning equipment |
| CN111962782A (en) * | 2020-08-13 | 2020-11-20 | 李青莲 | Self-cleaning fallen leaf garden step and cleaning method thereof |
| CN112523123A (en) * | 2020-12-01 | 2021-03-19 | 宜都全合光电有限公司 | Reflector based on optical lens |
| CN112610051A (en) * | 2020-12-08 | 2021-04-06 | 李雪 | Fixed-point autonomous safety equipment for preventing vehicle from sliding |
| CN112627075B (en) * | 2020-12-21 | 2022-10-18 | 余小翠 | Traffic deceleration strip for automobile passing |
| CN112582735B (en) * | 2020-12-22 | 2022-08-09 | 桂林航天工业学院 | New energy automobile group battery anticollision auxiliary device |
| CN112593505B (en) * | 2021-01-26 | 2022-09-09 | 广东诺客韦尔科技有限公司 | Automatic car locking equipment with cleaning function |
| CN113668422B (en) * | 2021-09-28 | 2022-12-27 | 深圳市坦成科技有限公司 | Limiting device for preventing overload vehicle from overspeed and running backwards |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2451065B (en) * | 2007-07-14 | 2012-06-20 | Graham Roger Richard Lee | Traffic flow control device |
| KR20120073060A (en) * | 2010-12-24 | 2012-07-04 | 신예담 | Do not enter a one-way device |
| CN204780685U (en) * | 2015-07-07 | 2015-11-18 | 李炳君 | Car arrester formula deceleration strip |
| CN205088587U (en) * | 2015-09-01 | 2016-03-16 | 义乌市宏胜市政工程有限公司 | City road speed reduction device |
| CN207331532U (en) * | 2017-08-22 | 2018-05-08 | 苏锦忠 | A kind of car lane one-way traffic slow down spacing device |
| CN107724275A (en) * | 2017-11-15 | 2018-02-23 | 蒋星 | With the deceleration strip system for squirting function |
| CN109454082B (en) * | 2018-10-30 | 2021-10-29 | 合肥霞康电子商务有限公司 | Dust extraction for road |
| CN110093873B (en) * | 2019-06-05 | 2021-07-09 | 胡振华 | Lifting speed reducing belt set |
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2020
- 2020-01-07 CN CN202010013631.2A patent/CN111139771B/en not_active Expired - Fee Related
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Effective date of registration: 20210908 Address after: 318026 Toutuo Town, Huangyan District, Taizhou City, Zhejiang Province Applicant after: Taizhou Huangyan Yixin Auto Parts Co.,Ltd. Address before: 450001 new campus of Zhengzhou University, No.100, science Avenue, high tech Zone, Zhengzhou City, Henan Province Applicant before: Xu Yujie |
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Granted publication date: 20211008 |