CN110588260B - Connecting ball head and connecting system of anti-loosening pulling type motor home - Google Patents
Connecting ball head and connecting system of anti-loosening pulling type motor home Download PDFInfo
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- CN110588260B CN110588260B CN201910794063.1A CN201910794063A CN110588260B CN 110588260 B CN110588260 B CN 110588260B CN 201910794063 A CN201910794063 A CN 201910794063A CN 110588260 B CN110588260 B CN 110588260B
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- ball head
- locking
- spring
- connection
- wire rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000009471 action Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229940036051 sojourn Drugs 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/01—Traction couplings or hitches characterised by their type
- B60D1/06—Ball-and-socket hitches, e.g. constructional details, auxiliary devices, their arrangement on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/28—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for preventing unwanted disengagement, e.g. safety appliances
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a connecting ball head and a connecting system of a locking pulling type motor home, wherein the connecting system comprises the connecting ball head, a connecting device, a pressing block, a spring, a resistance strain gauge, a locking device and a locking handle, the connecting ball head is divided into two parts, one part is a ball head locking part, a through hole is formed in the remaining part of the connecting ball head, the spring is fixed in the through hole, the spring is fixed with a sleeve, the sleeve is fixed with the ball head locking part, a locking limiting device is arranged in the sleeve, the locking limiting device and a steel wire rope are locked, and the steel wire rope can buckle a locking ring. After the locking device of the invention fails, the connecting ball head can be automatically locked, thereby ensuring the stability of the connection between the connecting ball head and the connecting device and improving the driving safety.
Description
Technical Field
The invention belongs to the technical field of pulling connection of a pulling type motor home, and particularly relates to a connecting ball head and a connecting system of an anti-loosening pulling type motor home.
Background
According to the American motor home standard, the motor homes are mainly divided into a self-propelled motor home and a pull-type motor home. The self-propelled motor home has an independent driving system and does not need to pull a vehicle. The trailer type caravan does not have an independent driving system, needs to be connected with a traction vehicle through a connecting device, and the traction vehicle provides driving force for running. The pulling type caravan generally adopts a mode of a central shaft, and is different from a general full-trailer vehicle, so the pulling type caravan is also called as a sojourn central shaft trailer. Therefore, the trailer type caravan has the advantages of simple structure, low gravity center and small self weight of the trailer with the middle shaft. Meanwhile, the safety performance of the caravan is also paid more attention, and the connection stability and safety of the connector of the pull type caravan are ensured, so that an important research direction is provided. The anti-loosening facility adopted by the existing connector is connected by a traction wire, so that the anti-loosening connector is not stable enough and has an unobvious effect. The pre-warning measure after the clamping device loosens under the special condition can not be well considered by the caravan connecting system.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the connecting ball head and the connecting system of the anti-loosening trailer type motor home, the connecting ball head is convenient to mount and separate, and meanwhile, after a locking device fails, the connecting ball head can warn drivers and passengers, can be automatically locked, and ensures the connecting stability.
A connecting ball head of a locking pull type motor home is divided into two parts, one part is a ball head locking part, a through hole II is formed in the connecting ball head of the remaining part, one end of a spring I is fixed inside the through hole II, the other end of the spring I is fixed with one end of a sleeve II, the other end of the sleeve II is fixed with the ball head locking part, a locking limiting device is arranged inside the sleeve II, the locking limiting device is fixed with one end of a steel wire rope, the other end of the steel wire rope is arranged inside the connecting ball head, and a locking ring is arranged at the other end of the steel wire rope; the steel wire rope can buckle the locking ring.
The connecting system of the anti-loosening pulling type motor home comprises the connecting ball head of the anti-loosening pulling type motor home and further comprises a connecting device, wherein the connecting ball head is embedded into the connecting device.
In the technical scheme, the connecting device comprises a connecting device shell, a connecting ball head and a pressing block which are mutually contacted are sequentially arranged in the shell, the pressing block is contacted with one end of a spring II, the other end of the spring II is contacted with the connecting device shell, a resistance strain gauge is arranged on the spring II, and the resistance strain gauge is connected with an external alarm circuit lead; and a locking device is fixed on the connecting device shell at the contact position of the pressing block and the second spring, and a locking handle is coaxially arranged outside the locking device.
In the technical scheme, the second spring is arranged in a groove in the connecting device shell, the first sleeve is arranged on the connecting device shell outside the second spring, and the matching position of the pressing block and the connecting ball head is arc-shaped.
The invention has the beneficial effects that:
(1) The connecting device is convenient to mount and separate, and can be realized only by controlling the locking handle, the locking device and the locking ring steel rope.
(2) According to the invention, after the locking device fails, the resistance strain gauge deforms abnormally, and the external alarm circuit gives an alarm to warn drivers and passengers.
(3) According to the invention, after the locking device fails, the pressing block is pressed by the ball head anti-loosening part and locked by the locking limiting device, so that the anti-loosening effect is achieved, and the connection stability is ensured.
(4) The invention can effectively reduce the accident of disconnection between the vehicle and the trailer caused by careless observation or no emergency processing device, and has mature technical scheme, low cost and high feasibility.
Drawings
FIG. 1 is a schematic view of a clamping state of a connecting ball head when the locking device of the present invention is in normal operation;
FIG. 2 is a schematic view showing a state where the connecting ball is released when the locking device of the present invention is in normal operation;
FIG. 3 is a schematic view showing the connection ball under an extended clamping state when the locking state of the present invention works abnormally;
FIG. 4 is a schematic view showing a state of contracting and releasing the connecting ball head when the locking state of the present invention abnormally works;
FIG. 5 is a right side view of the connecting bulb of the present invention;
FIG. 6 is a front view of the connection ball head in an extended and clamped state;
FIG. 7 is a front view of the connection ball in a relaxed state;
FIG. 8 is a schematic diagram showing the ejection of the deadlock limiting device according to the present invention;
FIG. 9 is a schematic view of the locking stop device of the present invention;
FIG. 10 is a flow chart of the operation of the system of the present invention;
in the figure, 1, a connecting ball head, 2, a steel wire rope, 3, a locking ring, 4, a ball head anti-loosening part, 5, a pressing block, 6, a resistance strain gauge, 7, a connecting device shell, 8, a first spring, 9, a locking limiting device, 10, a locking device, 11, a locking handle, 12, a second spring, 13, a first sleeve, 14, a first through hole, 15, a second sleeve, 16 and a second through hole are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1-4 are schematic diagrams of the overall structure of an anti-loose pull type caravan connecting system, which comprises a connecting device and a connecting ball head 1, wherein the connecting ball head 1 is embedded in the connecting device. The connecting device comprises a pressing block 5, a resistance strain gauge 6, a connecting device shell 7, a locking device 10 and a locking handle 11, a connecting ball head 1 and the pressing block 5 are sequentially arranged inside the connecting device shell 7, the matching position of the pressing block 5 and the connecting ball head 1 is set to be arc-shaped, the pressing block 5 is in contact with one end of a second spring 12, the other end of the second spring 12 is in contact with the connecting device shell 7, the second spring 12 is arranged in a groove inside the connecting device shell 7, and a first sleeve 13 is arranged on the connecting device shell 7 outside the second spring 12 and used for limiting circumferential displacement of the second spring 12; a resistance strain gage 6 is arranged on the second spring 12, and the resistance strain gage 6 is connected with an external alarm circuit through a lead (the alarm circuit is in the prior art); a first through hole 14 is formed in the connecting device shell 7 at the contact position of the pressing block 5 and the second spring 12 and used for fixing the locking device 10, a locking handle 11 is coaxially arranged outside the locking device 10, and the locking handle 11 can rotate around the locking device 10.
The first condition is as follows: when the locking device 10 works normally, the resistance strain gauge 6 deforms to a certain extent, the detection of the alarm circuit is normal, the connecting device works normally, and the connecting ball head 1 keeps a stable contraction state.
State 1: as shown in fig. 1, the locking handle 11 is lifted upwards, the locking device 10 locks the pressing block 5, and the ball head 1 is pressed and fixedly connected;
state 2: when the locking handle 11 is released, the locking device 10 releases the pressure piece 5, and the pressure piece 5 is separated from the connecting ball 1, so that the connecting ball 1 can be taken out, as shown in fig. 2.
As shown in fig. 3-7, the ball head connection anti-loosening mechanism includes a steel wire rope 2, a locking ring 3, a ball head anti-loosening part 4, a first spring 8 and a locking limiting device 9, the ball head connection 1 is divided into two parts, one part of the ball head anti-loosening part 4 is provided, the other part of the ball head anti-loosening part is provided with a second four through holes 16, one end of the first spring 8 is fixed inside the second through hole 16, the other end of the first spring 8 is fixed with one end of a second sleeve 15, the other end of the second sleeve 15 is fixed with the ball head anti-loosening part 4, the locking limiting device 9 is arranged inside the second sleeve 15, the locking limiting device 9 is fixed with one end of the steel wire rope 2, the other end of the steel wire rope 2 is arranged inside the ball head connection 1, and the other end of the steel wire rope 2 is provided with the locking ring 3. When the connecting ball head 1 and the connecting device are connected, the steel wire rope 2 is pulled downwards and buckled on the locking ring 3, the locking limiting device 9 is retracted inwards due to the action of force (figure 7), and the connecting ball head 1 is retracted to keep a ball shape and embedded into the connecting device under the action of the spring I8. The steel wire rope 2 and the lock ring 3 are loosened, the pressing block 5 is tightly attached to the ball head anti-loosening part 4 under the action of the locking device 10, and the connecting ball head 1 keeps a spherical shape.
Case two: when the locking device 10 works abnormally, the resistance strain gauge 6 deforms abnormally, the alarm circuit detects the abnormality, the connecting device works abnormally, and the ball head locking mechanism is connected to act.
State 1: the alarm circuit detects abnormality, and the alarm device sounds to remind a driver and passengers in front; meanwhile, the connecting ball head anti-loosening mechanism acts, as shown in fig. 3, the pressing block 5 moves rightwards, a gap is formed between the pressing block 5 and the connecting ball head 1, the anti-loosening ball head part 4 is ejected rightwards under the action of the first spring 8 and is tightly attached to the pressing block 5, the locking limiting device 9 is ejected outwards to the maximum stroke (the end part of the second through hole 16), the first spring 8 is limited to rebound, and the connecting stability of the connecting ball head 1 and the connecting device is guaranteed. As shown in fig. 8, in this state, the force-receiving structure diagram of the locking stopper 9 realizes the functions of extending the anti-loosening head 4 and clamping the pressing block 5 by extending the wire rope 2.
State 2: when the automobile runs to a safe position, a driver and passengers pull the steel wire rope 2 to buckle the lock ring 3, withdraw the ball head anti-loosening part 4, connect the ball head 1 to restore the ball shape and take out the ball head, overhaul the locking device 10, and continue to move forwards when the resistance strain gauge 6 is deformed normally and the tension is normal after repair is finished; when the steel wire rope is reused, the steel wire rope 2 and the locking ring 3 are loosened. As shown in fig. 9, in this state, the force structure diagram of the locking limiting device 9 is used, and the functions of contracting the anti-loosening head part 4 and loosening the pressing block 5 are realized through the contraction of the steel wire rope.
As shown in fig. 10, the flow chart of the anti-loosening pull type recreational vehicle connecting system during working firstly judges whether the locking device 10 works normally, if the locking device 10 works normally, the steel wire rope 2 is pulled to the locking position to buckle the locking ring 3, so that the connection of the connecting ball head and the connecting device is realized, the locking ring 3 is released, the spring I8 is compressed, the connecting ball head 1 maintains a spherical shape under the action of force, the resistance strain gauge 6 deforms normally, the pulling force is stable and normal, and a driver and passengers drive normally. If the locking device 10 works abnormally, an alarm is triggered, a driver and passengers stop to repair the locking device 10, meanwhile, the pressing block 5 is clamped at the connecting device shell 7, the anti-loosening ball head part 4 pops out rightwards, the pressing block 5 is clamped under the action of the locking limiting device 9, and the connecting ball head 1 and the pressing block 5 are maintained to be tightly supported. When the locking device 10 is repaired, the locking device 10 can be detected to be operated again after normal operation.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (7)
1. A connection ball head of a locking pulling type caravan is characterized in that the connection ball head is divided into two parts, one part is a ball head locking part (4), a through hole II (16) is formed in the connection ball head of the rest part, one end of a spring I (8) is fixed inside the through hole II (16), the other end of the spring I (8) is fixed with one end of a sleeve II (15), the other end of the sleeve II (15) is fixed with the ball head locking part (4), a locking limiting device (9) is arranged inside the sleeve II (15), the locking limiting device (9) is fixed with one end of a steel wire rope (2), the other end of the steel wire rope (2) is arranged inside the connection ball head, and a lock ring (3) is arranged at the other end of the steel wire rope (2);
when the connecting ball head (1) is connected with the connecting device, the steel wire rope (2) is pulled downwards and buckled on the locking ring (3), the locking limiting device (9) is contracted inwards due to the action of force, and the connecting ball head (1) is contracted to keep a ball shape and is embedded into the connecting device under the action of the spring I (8);
a pressing block (5) of the connecting device moves towards the direction far away from the connecting ball head (1) to form a gap with the connecting ball head (1), a ball head anti-loosening part (4) is popped out towards the direction far away from the connecting ball head (1) under the action of a first spring (8), a locking limiting device (9) is popped out to the maximum stroke and limits the resilience of the first spring (8);
when the vehicle runs to a safe position, the steel wire rope (2) is pulled to buckle the lock ring (3), and the ball head anti-loosening part (4) is retracted.
2. A connection bulb for a pull-proof caravan according to claim 1, characterised in that the wire rope (2) can be fastened to the locking ring (3).
3. A connection system of an anti-loose pull type caravan, comprising a connection ball of the anti-loose pull type caravan of claim 1, and further comprising a connection device, wherein the connection ball is embedded in the connection device.
4. The connecting system of the anti-loose pull type caravan as claimed in claim 3, wherein the connecting device comprises a connecting device shell (7), a connecting ball head and a pressing block (5) which are mutually contacted are sequentially arranged in the shell, the pressing block (5) is contacted with one end of a second spring (12), the other end of the second spring is contacted with the connecting device shell (7), a resistance strain gauge (6) is arranged on the second spring (12), and the resistance strain gauge (6) is connected with an external alarm circuit through a lead; a locking device (10) is fixed on the connecting device shell (7) at the contact position of the pressing block (5) and the second spring (12), and a locking handle (11) is coaxially arranged outside the locking device (10).
5. Connection system of a loose-proof trailer caravan according to claim 4, characterised in that the second spring (12) is arranged in a groove inside the connection device housing (7).
6. The connection system of a loose-proof trailer-type caravan according to claim 4, wherein a first sleeve (13) is arranged on the connection device shell (7) outside the second spring (12).
7. The connecting system of the anti-loose pull type caravan as claimed in claim 4, wherein the matching part of the pressing block (5) and the connecting ball head is arranged in a circular arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794063.1A CN110588260B (en) | 2019-08-27 | 2019-08-27 | Connecting ball head and connecting system of anti-loosening pulling type motor home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794063.1A CN110588260B (en) | 2019-08-27 | 2019-08-27 | Connecting ball head and connecting system of anti-loosening pulling type motor home |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110588260A CN110588260A (en) | 2019-12-20 |
| CN110588260B true CN110588260B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910794063.1A Active CN110588260B (en) | 2019-08-27 | 2019-08-27 | Connecting ball head and connecting system of anti-loosening pulling type motor home |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021109070A1 (en) * | 2021-04-12 | 2022-10-13 | Rühlicke GmbH | Ball head coupling for a towing vehicle of a vehicle combination |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB465020A (en) * | 1936-08-13 | 1937-04-29 | Franz Knoebel Junior | An improved ball joint coupling for trailers of motor vehicles and the like |
| GB2067147A (en) * | 1980-01-11 | 1981-07-22 | Oris Metallbau Kg Riehle H | Trailer coupling for vehicles |
| JPH0524487U (en) * | 1991-09-12 | 1993-03-30 | 日野自動車工業株式会社 | Connecting device for articulated vehicles |
| DE10015335A1 (en) * | 2000-03-28 | 2001-10-04 | Volkswagen Ag | Detachable trailer coupling for vehicles |
| US6722684B1 (en) * | 2001-04-09 | 2004-04-20 | Mcallister Kevin L. | Trailer hitch and associated methods |
| RU2290322C1 (en) * | 2005-11-24 | 2006-12-27 | Государственное образовательное учреждение высшего профессионального образования "Елецкий государственный университет им. И.А. Бунина" | Draw-and-coupling gear |
| EP2017097A1 (en) * | 2007-06-21 | 2009-01-21 | WESTFALIA - Automotive GmbH | Towbar for motor vehicles |
| EP2711207A2 (en) * | 2012-09-19 | 2014-03-26 | ZF Friedrichshafen AG | Spherical swivel module |
| EP2799261A1 (en) * | 2013-04-21 | 2014-11-05 | WESTFALIA - Automotive GmbH | Trailer coupling |
| CN107933222A (en) * | 2016-10-12 | 2018-04-20 | 福特全球技术公司 | Trailer connector |
| CN109466256A (en) * | 2018-10-24 | 2019-03-15 | 江苏大学 | A kind of caravan trailer spherical shape connection system and its control method |
| CN109733132A (en) * | 2019-01-25 | 2019-05-10 | 江苏大学 | A kind of adjustable caravan trailer ball head connecting device of rigidity dynamic |
| WO2019092209A1 (en) * | 2017-11-10 | 2019-05-16 | Syn Trac Gmbh | Ball head device with an angle-of-rotation sensor arrangement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8955866B2 (en) * | 2013-06-25 | 2015-02-17 | Curt Manufacturing, Llc | Removable ball hitch |
-
2019
- 2019-08-27 CN CN201910794063.1A patent/CN110588260B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB465020A (en) * | 1936-08-13 | 1937-04-29 | Franz Knoebel Junior | An improved ball joint coupling for trailers of motor vehicles and the like |
| GB2067147A (en) * | 1980-01-11 | 1981-07-22 | Oris Metallbau Kg Riehle H | Trailer coupling for vehicles |
| JPH0524487U (en) * | 1991-09-12 | 1993-03-30 | 日野自動車工業株式会社 | Connecting device for articulated vehicles |
| DE10015335A1 (en) * | 2000-03-28 | 2001-10-04 | Volkswagen Ag | Detachable trailer coupling for vehicles |
| US6722684B1 (en) * | 2001-04-09 | 2004-04-20 | Mcallister Kevin L. | Trailer hitch and associated methods |
| RU2290322C1 (en) * | 2005-11-24 | 2006-12-27 | Государственное образовательное учреждение высшего профессионального образования "Елецкий государственный университет им. И.А. Бунина" | Draw-and-coupling gear |
| EP2017097A1 (en) * | 2007-06-21 | 2009-01-21 | WESTFALIA - Automotive GmbH | Towbar for motor vehicles |
| EP2711207A2 (en) * | 2012-09-19 | 2014-03-26 | ZF Friedrichshafen AG | Spherical swivel module |
| EP2799261A1 (en) * | 2013-04-21 | 2014-11-05 | WESTFALIA - Automotive GmbH | Trailer coupling |
| CN107933222A (en) * | 2016-10-12 | 2018-04-20 | 福特全球技术公司 | Trailer connector |
| WO2019092209A1 (en) * | 2017-11-10 | 2019-05-16 | Syn Trac Gmbh | Ball head device with an angle-of-rotation sensor arrangement |
| CN109466256A (en) * | 2018-10-24 | 2019-03-15 | 江苏大学 | A kind of caravan trailer spherical shape connection system and its control method |
| CN109733132A (en) * | 2019-01-25 | 2019-05-10 | 江苏大学 | A kind of adjustable caravan trailer ball head connecting device of rigidity dynamic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110588260A (en) | 2019-12-20 |
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Effective date of registration: 20240205 Address after: 1003, Building A, Zhiyun Industrial Park, No. 13 Huaxing Road, Henglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Wanzhida Technology Transfer Center Co.,Ltd. Country or region after: China Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University Country or region before: China |
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Effective date of registration: 20240619 Address after: 102600 Beijing Daxing District Beijing Economic and Technological Development Zone (Daxing) Jiuqiao Road No.1 Courtyard Building 1-101-181, 1st Floor Patentee after: BEIJING TIANTAN HAIQIAO PASSENGER CAR CO.,LTD. Country or region after: China Address before: 1003, Building A, Zhiyun Industrial Park, No. 13 Huaxing Road, Henglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Patentee before: Shenzhen Wanzhida Technology Transfer Center Co.,Ltd. Country or region before: China |