CN102444331A - Safety emergency door lock of emergency door of rail traffic platform shielding door - Google Patents
Safety emergency door lock of emergency door of rail traffic platform shielding door Download PDFInfo
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- CN102444331A CN102444331A CN2010105856335A CN201010585633A CN102444331A CN 102444331 A CN102444331 A CN 102444331A CN 2010105856335 A CN2010105856335 A CN 2010105856335A CN 201010585633 A CN201010585633 A CN 201010585633A CN 102444331 A CN102444331 A CN 102444331A
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Abstract
The invention provides a safety emergency door lock of an emergency door of a rail traffic platform shielding door, which comprises an upper stop block, a lower stop block, an upper lock body, a lower lock body, an upper transmission rod, a lower transmission rod, a lock main body and a push rod. The upper stop block is installed on a door lintel. The lower stop block is installed on a doorsill. The upper lock body is installed at the upper end of an upright post of the emergency door. The lower lock body is installed at the lower end of the upright post of the emergency door. The lock main body is installed in the middle of the upright post of the emergency door. The upper transmission rod is connected between the upper lock body and the lock main body. The lower transmission rod is connected between the lower lock body and the lock main body. The push rod is transversely arranged in the middle of the emergency door and connected with the lock main body. The push rod is downwardly pressed so as to drive the lock main body to manually unlock. The safety emergency door lock disclosed by the invention is applied in an emergency door unit of the shielding door, thus, passengers can manually unlock and open the emergency door by pressing the push rod at the dangerous side (the track side) of the shielding door in an emergency; therefore, the passengers can reach the safe side of the platform through the emergency door.
Description
Technical field
The present invention relates to door lock, particularly a kind of rail traffic platform shield door escape door safety emergent door lock.
Background technology
Subway is as public transit systems efficiently in the modern metropolis, among increasing each country that is used in the world.As a kind of public transportation system, safety is most important.Train enter the station stop in because train stop position and the situation that the platform screen door opening position can't align may appear in a variety of causes, perhaps be sandwiched in the emergency of train and shield door centre owing to passenger's self reason.Therefore in order to protect the safe operation of passenger getting on/off safety and train, general platform screen door all can be provided with the escape door cellular system and solve this emergency.In the escape door cellular system, generally tripper to be set, so that in case of emergency the passenger can come out thereby open escape door at danger one side (rail side) the manual unlocking tripper of shield door.
Summary of the invention
The object of the invention in order to solve the problems referred to above that prior art exists, provides a kind of new rail traffic platform shield door escape door safety emergent door lock exactly.
Technical scheme of the present invention is: a kind of rail traffic platform shield door escape door safety emergent door lock; Be installed in the left escape door and right escape door of escape door unit, comprise top block, bottom block, top lock body, bottom lock body, go up drive link, underdrive bar, lock body main body and push rod; The top block is installed on the lintel of escape door top; The bottom block is installed on the threshold of escape door below; The top lock body is installed in the column upper end of escape door and can links to each other with the top block and forms locking; The bottom lock body is installed in the column lower end of escape door and can links to each other with the bottom block and forms locking; The lock body main body is installed in the middle of the column of escape door, and last drive link is connected between top lock body and the lock body main body and can under the drive of lock body main body, moves up and down, and the underdrive bar is connected between bottom lock body and the lock body main body and can under the drive of lock body main body, moves up and down; Push rod is horizontally installed on the centre of escape door and links to each other with the lock body main body, presses down push rod and can drive lock body main body action realization manual unlocking.
Described top lock body comprises upper lock body framework, guide groove, dead bolt reconciliation lock slide; The upper lock body framework is installed on the column of escape door; Guide groove is installed on the upper lock body framework; Dead bolt is arranged on the interior top of guide groove and links to each other with guide groove is rotatable, and the top of dead bolt can link to each other with top block interlock and form locking or remove interlock realization release, separates lock slide and is arranged on the bottom in the guide groove; The top of separating lock slide is stretched in the dead bolt and is linked to each other with dead bolt activity transmission, and the bottom of separating lock slide links to each other with last drive link activity transmission.
Described bottom lock body comprises down lock body framework, guide and lock pin; The down lock body framework is installed on the column of escape door; Guide is installed on the down lock body framework; Lock pin is arranged in the guide and can moves up and down along guide, and the top of lock pin is threaded with the underdrive bar, and the bottom of lock pin can insert the interior formation locking of bottom block or block withdraws from the realization release from the bottom.
Described lock body main body comprise lock body housing, key unlocking shifting block, manually unblank shifting block, push handle, kinematic link and return spring; The lock body housing is installed on the column of escape door; The key unlocking shifting block is installed in the centre in the lock body housing, and the shifting block of manually unblanking is installed in the interior end of lock body housing and links to each other with the lock body housing is rotatable, pushes handle and links to each other with the lock body housing is rotatable; The middle part of pushing handle links to each other with key unlocking shifting block Contact Transmission; Push the inner of handle and link to each other with the shifting block activity transmission of manually unblanking, it is protruding and link to each other with push rod activity transmission to push the outer end of handle, and the middle part of kinematic link links to each other with the shifting block activity transmission of manually unblanking; The two ends of kinematic link are protruding from the two ends up and down of lock body housing respectively; Its upper end links to each other with last drive link activity transmission, and the lower end links to each other with underdrive bar activity transmission, and return spring is connected manually unblanks between shifting block and the lock body housing.
Described dead bolt top is provided with a groove that is used for forming with top block interlock locking, and the bottom is provided with a semicircle inner chamber; The described lock slide top of separating is provided with an arc limited block, and this arc limited block stretches into the semicircle inner chamber of dead bolt and can drive dead bolt and rotates.
The described shifting block of manually unblanking takes off post being provided with towards a side of pushing handle, and the bottom is provided with driving lever, and described the inner of pushing handle contacts with the bottom surface that takes off post and links to each other, and described kinematic link links to each other with driving lever activity transmission.
The described handle of pushing comprises axle sleeve, preceding shifting block, following shifting block and depression bar; Preceding shifting block, following shifting block and depression bar are connected to front portion, bottom and the rear portion of axle sleeve; And preceding shifting block intersects acute angle with following shifting block, and preceding shifting block and depression bar intersect the obtuse angle, and preceding shifting block links to each other with the Contact Transmission that takes off post of the shifting block of manually unblanking; Following shifting block links to each other with key unlocking shifting block Contact Transmission; Depression bar links to each other with the push rod Contact Transmission, and a bearing pin passes axle sleeve and links to each other with the lock body housing, pushes handle and can rotate around this bearing pin.
Rail traffic platform shield door escape door safety emergent door lock of the present invention is applied in the shield door escape door unit; Make that in case of emergency the passenger can realize manual unlocking and open escape door through the push rod of pushing safe emergent door lock in danger one side (rail side) of shield door, make the passenger can arrive at safety one side of platform through escape door.The present invention is simple in structure, easy for installation, reliable.
Description of drawings
Fig. 1 is the installation site sketch map of rail traffic platform shield door escape door safety emergent door lock of the present invention;
Fig. 2 is the general structure sketch map of rail traffic platform shield door escape door safety emergent door lock of the present invention;
Fig. 3 is the structural representation of the top lock body among the present invention;
Fig. 4 is the structural representation of the bottom lock body among the present invention;
Fig. 5 is the structural representation of the lock body main body among the present invention;
Fig. 6 is the partial structurtes sketch map of the lock body main body among the present invention;
Fig. 7 is the sectional structure sketch map of top lock body lock-out state;
Fig. 8 is the sectional structure sketch map of top lock body released state.
The specific embodiment
Below in conjunction with accompanying drawing rail traffic platform shield door escape door safety emergent door lock of the present invention is further described.
Referring to Fig. 1, rail traffic platform shield door escape door safety emergent door lock 1 of the present invention is installed in the left escape door 2 and right escape door 3 of escape door unit, and shown in Fig. 1,4 is the lintel assembly, and 5 is threshold.
Referring to Fig. 2; Cooperation is referring to Fig. 1, and rail traffic platform shield door escape door safety emergent door lock 1 of the present invention comprises top block 11, bottom block 12, top lock body 13, bottom lock body 14, goes up drive link 15, underdrive bar 16, lock body main body 17 and push rod 18.Top block 11 is installed on the lintel 4 of escape door top; Bottom block 12 is installed on the threshold 5 of escape door below; Top lock body 13 is installed in the column upper end of escape door and can links to each other with top block 11 and forms locking; Bottom lock body 14 is installed in the column lower end of escape door and can links to each other with bottom block 12 and forms locking; Lock body main body 17 is installed in the middle of the column of escape door, and last drive link 15 is connected between top lock body 13 and the lock body main body 17 and can under the drive of lock body main body, moves up and down, and underdrive bar 16 is connected between bottom lock body 14 and the lock body main body 17 and can under the drive of lock body main body, moves up and down; Push rod 18 is horizontally installed on the centre of escape door and links to each other with lock body main body 17, presses down push rod and can drive lock body main body action realization manual unlocking.
Referring to Fig. 3; Cooperation is referring to Fig. 1, Fig. 8, Fig. 9, and the top lock body 13 among the present invention comprises upper lock body framework 131, guide groove 132, dead bolt 133 reconciliation lock slides 134, and upper lock body framework 131 is installed on the column of escape door; Guide groove 132 is installed on the upper lock body framework 131; Dead bolt 133 is arranged on the top in the guide groove 132 and links to each other with guide groove is rotatable, and the top of dead bolt 133 can link to each other with 11 interlocks of top block and form locking or remove interlock realization release, separates lock slide 134 and is arranged on the interior bottom of guide groove 132; The top of separating lock slide 134 is stretched in the dead bolt 133 and is linked to each other with dead bolt activity transmission, and the bottom of separating lock slide 134 links to each other with last drive link 15 activity transmissions.Be provided with a groove 1331 that is used for forming with 11 interlocks of top block locking on dead bolt 133 tops, the bottom is provided with a semicircle inner chamber 1332; Be provided with an arc limited block 1341 separating lock slide 134 tops, this arc limited block 134 stretches into the semicircle inner chamber 1332 of dead bolt and can drive dead bolt 133 and rotates.
Referring to Fig. 4; Cooperation is referring to Fig. 1, and the bottom lock body 14 among the present invention comprises down lock body framework 141, guide 142 and lock pin 143, and down lock body framework 141 is installed on the column of escape door; Guide 142 is installed on the down lock body framework 141; Lock pin 143 is arranged in the guide 142 and can moves up and down along guide, and the top of lock pin 143 is threaded with underdrive bar 16, and the bottom of lock pin 143 can insert the 12 interior formation lockings of bottom block or block withdraws from the realization release from the bottom.
Referring to Fig. 5, Fig. 6, cooperate referring to Fig. 1, the lock body main body 17 among the present invention comprise lock body housing 171, key unlocking shifting block 172, manually unblank shifting block 173, push handle 174, kinematic link 175 and return spring 176.Lock body housing 171 is installed on the column of escape door; Key unlocking shifting block 172 is installed in the centre in the lock body housing 171; Manually unblank shifting block 173 be installed in the lock body housing 171 an end and with 171 rotatable linking to each other of lock body housing; Push handle 174 and 171 rotatable linking to each other of lock body housing, the middle part of pushing handle 174 links to each other with key unlocking shifting block 172 Contact Transmission, pushes the inner of handle 174 and links to each other with the shifting block 173 activity transmissions of manually unblanking; It is protruding and link to each other with push rod 18 activity transmissions to push the outer end of handle 174; The middle part of kinematic link 175 links to each other with the shifting block 173 activity transmissions of manually unblanking, and the two ends of kinematic link 175 are protruding from the two ends up and down of lock body housing respectively, and its upper end links to each other with last drive link 15 activity transmissions; The lower end links to each other with the 16 activity transmissions of underdrive bar, and return spring 176 is connected manually unblanks between shifting block and the lock body housing.The shifting block 173 of manually unblanking takes off post 1731 being provided with towards a side of pushing handle 174, and the bottom is provided with driving lever 1732, and the inner of pushing handle 174 contacts with 1732 the bottom surface of taking off post and links to each other, and kinematic link 175 links to each other with driving lever 1732 activity transmissions.Push handle 174 and comprise axle sleeve 1741, preceding shifting block 1742, following shifting block 1743 and depression bar 1744; Preceding shifting block 1742, following shifting block 1743 and depression bar 1744 are connected to front portion, bottom and the rear portion of axle sleeve 1741; And preceding shifting block 1742 intersects acute angle with following shifting block 1743, and preceding shifting block 1742 intersects the obtuse angle with depression bar 1744, and preceding shifting block 1742 links to each other with 1731 Contact Transmission that take off post of the shifting block 173 of manually unblanking; Following shifting block 1743 links to each other with key unlocking shifting block 172 Contact Transmission; Depression bar 1744 links to each other with push rod 18 Contact Transmission, and a bearing pin 1745 passes axle sleeve 1741 and links to each other with lock body housing 171, pushes handle 1744 and can rotate around this bearing pin 1745.
But the operating principle accompanying drawings of rail traffic platform shield door escape door safety emergent door lock of the present invention is following:
Rail side release and block action:
After push rod 18 is pressed by the passenger; Push rod 18 can contact with the handle 174 of pushing of lock body main body 17 through inner face, make to push handle 174 and move downward, thereby the shifting block 173 of manually unblanking of drive lock body main body 17 moves; The shifting block 173 of manually unblanking drives kinematic link 175 motion again; Thereby drive link 15 moves upward with underdrive bar 16 together in the drive, finally makes the dead bolt 132 disengaging top blocks 11 of top lock body 13, the lock pin 143 disengaging bottom blocks 12 of bottom lock body 14; Do the release campaign simultaneously, reach the purpose of release.
After push rod 18 was discharged by the passenger, the resistance of pushing handle 174 of lock body main body 17 disappeared, and itself can return to original position under the tension of return spring 176.When escape door is closed; Thereby the dead bolt 132 of top lock body 13 receives the resistance of top block 11 and returns on the position of locking; The lock slide 134 of separating of top lock body 13 glides because the return spring in gravity and the lock body main body 17 176 conducts the pulling force acting in conjunction of coming; Make the dead bolt 132 of the top arc limited block 1341 stuck top lock bodies 13 of separating lock slide 134 of top lock body 13, make it get back to locked position of coupler.
Specifically, when lock slide 134 is separated in last drive link 15 pulling downwards, separate lock slide 134 and move down, the arc limited block 1341 that causes separating lock slide 134 tops just in time is positioned at the lower edge of the semicircle inner chamber 1332 in bottom of dead bolt 133, and is as shown in Figure 7.Prop up dead bolt 133 according to this and make it be in spacing position and top block 11 is interlocked each other, reach the purpose that locking is closed the door.When last drive link 15 upwards promotes to separate lock slide 134; Separating lock slide 134 moves up; The arc limited block 1341 that causes separating lock slide 134 tops just in time is positioned at semicircle inner chamber 1332 inside, bottom of dead bolt 133; The internal chamber wall of dead bolt 133 can rotate 55 degree along the external surface of separating lock slide 134 top arc limited blocks 1341, and this moment, dead bolt 133 was opened into released state, and is as shown in Figure 8.
The platform side release:
The platform personnel rotate through the key unlocking shifting block 172 that private key rotates the special-purpose lock drive of subway lock body main body 17 in platform side; The soffit that the following shifting block 1743 of handle 174 is pushed on when key unlocking shifting block 172 rotates and edge slides; Thereby what make lock body main body 17 pushes handle 174 rotation action together; Later action is identical with the release action of rail side release, thus the release escape door.
Claims (7)
1. rail traffic platform shield door escape door safety emergent door lock; Be installed in the left escape door and right escape door of escape door unit, it is characterized in that: comprise top block, bottom block, top lock body, bottom lock body, go up drive link, underdrive bar, lock body main body and push rod; The top block is installed on the lintel of escape door top; The bottom block is installed on the threshold of escape door below; The top lock body is installed in the column upper end of escape door and can links to each other with the top block and forms locking; The bottom lock body is installed in the column lower end of escape door and can links to each other with the bottom block and forms locking; The lock body main body is installed in the middle of the column of escape door, and last drive link is connected between top lock body and the lock body main body and can under the drive of lock body main body, moves up and down, and the underdrive bar is connected between bottom lock body and the lock body main body and can under the drive of lock body main body, moves up and down; Push rod is horizontally installed on the centre of escape door and links to each other with the lock body main body, presses down push rod and can drive lock body main body action realization manual unlocking.
2. rail traffic platform shield door escape door safety emergent door lock as claimed in claim 1; It is characterized in that: described top lock body comprises upper lock body framework, guide groove, dead bolt reconciliation lock slide; The upper lock body framework is installed on the column of escape door, and guide groove is installed on the upper lock body framework, and dead bolt is arranged on the interior top of guide groove and links to each other with guide groove is rotatable; The top of dead bolt can link to each other with top block interlock and form locking or remove interlock realization release; Separate lock slide and be arranged on the bottom in the guide groove, the top of separating lock slide is stretched in the dead bolt and is linked to each other with dead bolt activity transmission, and the bottom of separating lock slide links to each other with last drive link activity transmission.
3. rail traffic platform shield door escape door safety emergent door lock as claimed in claim 1; It is characterized in that: described bottom lock body comprises down lock body framework, guide and lock pin; The down lock body framework is installed on the column of escape door, and guide is installed on the down lock body framework, and lock pin is arranged in the guide and can moves up and down along guide; The top of lock pin is threaded with the underdrive bar, and the bottom of lock pin can insert the interior formation locking of bottom block or block withdraws from the realization release from the bottom.
4. rail traffic platform shield door escape door safety emergent door lock as claimed in claim 1; It is characterized in that: described lock body main body comprise lock body housing, key unlocking shifting block, manually unblank shifting block, push handle, kinematic link and return spring; The lock body housing is installed on the column of escape door; The key unlocking shifting block is installed in the centre in the lock body housing, and the shifting block of manually unblanking is installed in the interior end of lock body housing and links to each other with the lock body housing is rotatable, pushes handle and links to each other with the lock body housing is rotatable; The middle part of pushing handle links to each other with key unlocking shifting block Contact Transmission; Push the inner of handle and link to each other with the shifting block activity transmission of manually unblanking, it is protruding and link to each other with push rod activity transmission to push the outer end of handle, and the middle part of kinematic link links to each other with the shifting block activity transmission of manually unblanking; The two ends of kinematic link are protruding from the two ends up and down of lock body housing respectively; Its upper end links to each other with last drive link activity transmission, and the lower end links to each other with underdrive bar activity transmission, and return spring is connected manually unblanks between shifting block and the lock body housing.
5. rail traffic platform shield door escape door safety emergent door lock as claimed in claim 2 is characterized in that: described dead bolt top is provided with a groove that is used for forming with top block interlock locking, and the bottom is provided with a semicircle inner chamber; The described lock slide top of separating is provided with an arc limited block, and this arc limited block stretches into the semicircle inner chamber of dead bolt and can drive dead bolt and rotates.
6. rail traffic platform shield door escape door safety emergent door lock as claimed in claim 4; It is characterized in that: the described shifting block of manually unblanking takes off post being provided with towards a side of pushing handle; The bottom is provided with driving lever; Described the inner of pushing handle contacts with the bottom surface that takes off post and links to each other, and described kinematic link links to each other with driving lever activity transmission.
7. rail traffic platform shield door escape door safety emergent door lock as claimed in claim 4; It is characterized in that: the described handle of pushing comprises axle sleeve, preceding shifting block, following shifting block and depression bar, and preceding shifting block, following shifting block and depression bar are connected to front portion, bottom and the rear portion of axle sleeve, and preceding shifting block intersects acute angle with following shifting block; Preceding shifting block and depression bar intersect the obtuse angle; Preceding shifting block links to each other with the Contact Transmission that takes off post of the shifting block of manually unblanking, and following shifting block links to each other with key unlocking shifting block Contact Transmission, and depression bar links to each other with the push rod Contact Transmission; One bearing pin passes axle sleeve and links to each other with the lock body housing, pushes handle and can rotate around this bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010585633 CN102444331B (en) | 2010-12-13 | 2010-12-13 | Safety emergency door lock of emergency door of rail traffic platform shielding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010585633 CN102444331B (en) | 2010-12-13 | 2010-12-13 | Safety emergency door lock of emergency door of rail traffic platform shielding door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102444331A true CN102444331A (en) | 2012-05-09 |
| CN102444331B CN102444331B (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010585633 Active CN102444331B (en) | 2010-12-13 | 2010-12-13 | Safety emergency door lock of emergency door of rail traffic platform shielding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102444331B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321499A (en) * | 2013-07-05 | 2013-09-25 | 上海嘉成轨道交通安全保障系统有限公司 | Door lock with push rod |
| CN110159103A (en) * | 2018-02-13 | 2019-08-23 | 北京交通大学 | Emergency vehicle escape extrapolation window opens latch and lockset lyatem and method with press is rotary |
| CN113389450A (en) * | 2020-03-12 | 2021-09-14 | 田晋五金制品股份有限公司 | Door lock device |
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| CN2438791Y (en) * | 2000-08-30 | 2001-07-11 | 方大集团股份有限公司 | Subway station emergency door unlocking mechanism |
| CN2709599Y (en) * | 2004-06-25 | 2005-07-13 | 方大集团股份有限公司 | Hand release mechanism |
| CN101021116A (en) * | 2007-01-09 | 2007-08-22 | 方大集团股份有限公司 | Safety push-rod lock |
| JP2010007309A (en) * | 2008-06-25 | 2010-01-14 | Shibutani:Kk | Lock implement and lock device of fire door |
| CN201896508U (en) * | 2010-12-13 | 2011-07-13 | 上海嘉成轨道交通安全保障系统有限公司 | Safety emergency door lock for emergency door of shielding door in rail transit platform |
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2010
- 2010-12-13 CN CN 201010585633 patent/CN102444331B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438791Y (en) * | 2000-08-30 | 2001-07-11 | 方大集团股份有限公司 | Subway station emergency door unlocking mechanism |
| CN2709599Y (en) * | 2004-06-25 | 2005-07-13 | 方大集团股份有限公司 | Hand release mechanism |
| CN101021116A (en) * | 2007-01-09 | 2007-08-22 | 方大集团股份有限公司 | Safety push-rod lock |
| JP2010007309A (en) * | 2008-06-25 | 2010-01-14 | Shibutani:Kk | Lock implement and lock device of fire door |
| CN201896508U (en) * | 2010-12-13 | 2011-07-13 | 上海嘉成轨道交通安全保障系统有限公司 | Safety emergency door lock for emergency door of shielding door in rail transit platform |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321499A (en) * | 2013-07-05 | 2013-09-25 | 上海嘉成轨道交通安全保障系统有限公司 | Door lock with push rod |
| CN103321499B (en) * | 2013-07-05 | 2015-12-30 | 上海嘉成轨道交通安全保障系统股份公司 | Door lock with push rod |
| CN110159103A (en) * | 2018-02-13 | 2019-08-23 | 北京交通大学 | Emergency vehicle escape extrapolation window opens latch and lockset lyatem and method with press is rotary |
| CN113389450A (en) * | 2020-03-12 | 2021-09-14 | 田晋五金制品股份有限公司 | Door lock device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102444331B (en) | 2013-10-23 |
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Owner name: SHANGHAI JIACHENG RAILWAY TRANSPORTATION SAFETY SY Free format text: FORMER NAME: JIACHENG TRACK TRAFFIC SECURITY INSURONCE SYSTEM CO., LTD., SHANGHAI |
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| CP01 | Change in the name or title of a patent holder |
Address after: 200331, room 1, building 2889, No. 213 Qilian Mountains South Road, Shanghai, Putuo District Patentee after: SHANGHAI JIACHENG RAILWAY TRANSPORTATION SAFETY SYSTEM Corp. Address before: 200331, room 1, building 2889, No. 213 Qilian Mountains South Road, Shanghai, Putuo District Patentee before: Shanghai Jiacheng Railway Transportation Safety System Co.,Ltd. |
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Effective date of registration: 20220822 Address after: 200331 room 356, building 147, No. 500, Zhennan Road, Putuo District, Shanghai Patentee after: Shanghai Jiacheng smart Rail Transit Development Co.,Ltd. Address before: Room 213, building 1, 2889 Qilianshan South Road, Putuo District, Shanghai 200331 Patentee before: SHANGHAI JIACHENG RAILWAY TRANSPORTATION SAFETY SYSTEM Corp. |