CN110630119A - Ultra-large door lock device - Google Patents
Ultra-large door lock device Download PDFInfo
- Publication number
- CN110630119A CN110630119A CN201911041949.5A CN201911041949A CN110630119A CN 110630119 A CN110630119 A CN 110630119A CN 201911041949 A CN201911041949 A CN 201911041949A CN 110630119 A CN110630119 A CN 110630119A
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- CN
- China
- Prior art keywords
- lock
- door
- spring
- unit
- bolt
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
- E05C9/046—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with two interconnected mechanisms each driving one rod
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/10—Actuating mechanisms for bars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention relates to an ultra-large door lock device, which comprises a door top locking point unit, an opening unit, a door bottom locking point unit and a linkage unit, wherein the door top locking point unit and the door bottom locking point unit are connected with the opening unit through the linkage unit, the door top locking point unit and the door bottom locking point unit have the same structure and are respectively provided with a lock tongue, a stress rebound spring and a lock tongue connecting rod connected with the lock tongue, the linkage unit comprises a steel wire pull wire, the steel wire pull wire is connected with the opening unit, the opening unit controls the lock tongue connecting rod to drive the lock tongue to carry out unlocking action through the steel wire pull wire, and the stress rebound spring resets to complete locking action. Compared with the prior art, the invention has the advantages of simple structure, labor saving in opening and closing, low damage probability, convenience in maintenance, flexible arrangement and the like.
Description
Technical Field
The invention relates to the technical field of mechanical door locks, in particular to an ultra-large door lock device.
Background
At present, countless large-scale venues are used or built, people gather the demands, the quantity of the large-scale venues is changed in proportion along with the increase of the quantity, various super-large-scale doors are formed, and the problem of reliability of door locks is increasingly remarkable in the process of opening and closing for many times. The rigidity connecting rod mode that traditional lock custom adopted not only can increase the weight of locks self, causes the switching hard, and door body self weight is very big in addition, and the impact of switching in-process can be great, leads to the spring bolt directly to transmit power to on the linkage member spare that slenderness ratio itself is very little, causes gangbar and opening device to warp and destroys.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the ultra-large door lock device which has simple structure, labor-saving opening and closing and low damage probability.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an ultra-large-scale door lock device, includes door top lock point unit, opens unit, door end lock point unit and linkage unit, door top lock point unit and door end lock point unit all through the linkage unit with open the unit connection, door top lock point unit and door end lock point unit structure the same, all be equipped with spring bolt, atress rebound spring and the spring bolt connecting rod that links to each other with the spring bolt, the linkage unit include the steel wire stay cord, the steel wire stay cord with open the unit connection, open the unit and drive the spring bolt action of unblanking through steel wire stay cord control spring bolt connecting rod, atress rebound spring resets, accomplishes the shutting action.
Preferably, the door top locking point unit, the opening unit and the door bottom locking point unit are provided with a shell and a cover plate for protection, the shell of the door top locking point unit is internally provided with a pressure rebound spring support plate, the pressure rebound spring sleeve is arranged outside the spring bolt connecting rod, one end of the pressure rebound spring sleeve is connected with the spring bolt, and the other end of the pressure rebound spring support plate is connected with the pressure rebound spring support plate.
Preferably, the door top locking point unit comprises a bolt sleeve, the bolt, the pressure rebound spring and the bolt connecting rod are all installed in the bolt sleeve, and the bolt is connected with the bolt sleeve in a sliding manner.
More preferably, the pressure rebound spring support plate is provided with a bolt connecting rod preformed hole for installing a bolt connecting rod, one end of the bolt connecting rod is connected with the bolt, and the other end of the bolt connecting rod penetrates through the bolt connecting rod preformed hole to be connected with the linkage unit.
More preferably, the opening unit comprises a lock disc installed in a housing of the opening unit, the lock disc is fixedly connected with the steel wire stay wire through a stay wire fixing end, a base plate of the housing of the opening unit is provided with a lock disc rotating shaft rod and a first spring fixing rod, and the lock disc is provided with an arc-shaped rotation limiting through hole at a position corresponding to the first spring fixing rod.
More preferably, the lock disc is further provided with a lock disc rotating shaft tube and a handle, the lock disc rotating shaft tube is connected with the lock disc rotating shaft in an inserting mode, a lock hole pin is installed in the lock disc rotating shaft tube and is fixedly connected with the lock disc rotating shaft tube through a limiting screw, and a connecting rod of the handle is installed in the lock hole pin.
More preferably, the lock disc is further provided with a second spring fixing rod and a torsion spring, the torsion spring is sleeved on the lock disc rotating shaft tube, and two ends of the torsion spring are respectively sleeved on the first spring fixing rod and the second spring fixing rod.
More preferably, the linkage unit further comprises a pull-wire adjustable end, a cavity full-thread screw, a pull-wire pipe adjustable end and a pull-wire pipe, wherein the steel wire pull wire sequentially penetrates through the pull-wire adjustable end, the cavity full-thread screw, the pull-wire pipe adjustable end and the pull-wire pipe, the pull-wire adjustable end is fixed at the lower end of the bolt connecting rod, and the cavity full-thread screw is fixed on the shell.
More preferably, the cavity full-thread screw is connected with the shell through an adjusting nut, a spring gasket is arranged at the joint of the adjusting nut and the shell, and a rubber gasket is arranged at one end of the cavity full-thread screw, which is positioned in the shell.
Preferably, the lock tongue is of a single-side round corner structure.
Compared with the prior art, the invention has the following advantages:
firstly, the structure is simple: the structure is simplified, and the cost is saved.
Secondly, labor is saved when the valve is opened and closed: the transmission system adopts a form of combining a stay wire with a stay wire pipe, so that the weight of the door lock transmission system can be almost ignored, and the door lock transmission system can be opened and closed more easily.
Thirdly, the damage probability is low: the transmission of collision force at the lock point through the transmission rod is effectively released, and the damage probability of other parts in the use process is reduced.
Fourthly, convenient maintenance: each part of the lock body is in a modular design, so that later-stage maintenance and replacement are facilitated.
Fifthly, flexible arrangement: the transmission system combining the pull wire with the pull wire pipe is adopted, and the arrangement of the opening device is more flexible.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the door top locking point of the present invention;
FIG. 3 is a side cross-sectional view of the door top locking point of the present invention;
FIG. 4 is a front sectional view of an opening unit according to the present invention;
FIG. 5 is a side sectional view of an opening unit according to the present invention;
FIG. 6 is a front cross-sectional view of the door bottom locking point of the present invention;
FIG. 7 is a side cross-sectional view of a door bottom lock point of the present invention.
The reference numbers in the figures indicate:
1. the spring bolt, 2, the pressurized resilience spring, 3, the spring bolt connecting rod, 4, the spring bolt sleeve, 5, spring bolt connecting rod preformed hole, 6, the shell, 7, the pressurized resilience spring backup pad, 8, the apron, 9, the fixed end of acting as go-between, 10, the lock dish, 11, lock dish pivot pipe, 12, the lockhole round pin, 13, torque spring, 14, first spring fixed lever, 15, second spring fixed lever, 16, spacing screw, 17, lock dish pivot pole, 18, rotatory spacing through-hole, 19, the handle, 20, the steel wire is acted as go-between, 21, the adjustable end of acting as go-between, 22, the full-thread screw rod of cavity, 23, the adjustable end of the pipe of acting as go-between, 24, the pipe of.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
The invention comprises four parts of a door top locking point unit, an opening unit, a door bottom locking point unit and a linkage unit. The design is originally designed to separately consider the door top locking point unit, the opening unit and the door bottom locking point unit, then the form that the steel wire stay wire 20 is combined with the stay wire pipe 24 is adopted as the linkage unit, the self weight of the door lock device is effectively reduced, meanwhile, the transmission of the impact of opening and closing of the door body among all parts is eliminated to the maximum extent, and the door lock has more excellent applicability and durability.
The ultra-large door lock device comprises a door top locking point unit, an opening unit, a door bottom locking point unit and a linkage unit.
Door top lock point unit and door end lock point unit all include spring bolt 1, pressurized resilience spring 2, spring bolt connecting rod 3, spring bolt sleeve 4, spring bolt connecting rod preformed hole 5, shell 6, pressurized resilience spring support plate 7 and apron 8, and pressurized resilience spring support plate 7 is installed in shell 6, separates 6 inside of shell for two parts, and partly is used for installing the lock point unit, and another part is used for installing the linkage unit. Spring bolt connecting rod preformed hole 5 establishes the central point on pressurized resilience spring support board 7 and puts, spring bolt connecting rod 3 can pass spring bolt connecting rod preformed hole 5, the cover is established on spring bolt connecting rod 3 to the pressurized resilience spring 2, spring bolt 1 establishes the one end fixed connection of pressurized resilience spring 2 through screw thread and 3 covers of spring bolt connecting rod, spring bolt 1, some of pressurized resilience spring 2 and spring bolt connecting rod 3 are all installed in spring bolt sleeve 4, be equipped with the slide rail in this sleeve, spring bolt 1 passes through slide rail and 4 sliding connection of spring bolt sleeve, and then accomplish and open the shutting action.
The door top locking point unit and the door bottom locking point unit are connected with the opening unit through linkage units, each linkage unit comprises a steel wire stay wire 20, a stay wire adjustable end 21, a cavity full-wire screw rod 22, a stay wire pipe adjustable end 23 and a stay wire pipe 24, and the linkage units are arranged in an area, used for installing the linkage units, in the shell 6. The stay wire adjustable end 21 is fixedly connected with the bolt connecting rod 3 through threads, the stay wire adjustable end 21 is provided with an adjustable stay wire compression screw, the length of the steel wire stay wire 20 can be changed through the stay wire compression screw, and the function of adjusting the stay wire is achieved. The door top locking point unit and the door bottom locking point unit are connected with the opening unit through a steel wire stay wire 20, the steel wire stay wire 20 sequentially penetrates through a stay wire adjustable end 21, a cavity full-wire screw 22, a stay wire pipe adjustable end 23 and a stay wire pipe 24 which are positioned on the locking point unit, then sequentially penetrates through a stay wire pipe 24, a stay wire adjustable end 23 and the cavity full-wire screw 22 which are positioned on the opening unit, and then is fixed on the lock disc 10 through a stay wire fixing end 9, it needs to be noted that the stay wire fixing end 9 and the steel wire stay wire 20 are integrally formed, and the mode of manual fixing is replaced through the integrally formed mode, so that the efficiency can be further improved.
The design of fillet is adopted to 1 unilateral of spring bolt, makes things convenient for the collision locking of lock point position.
The opening unit comprises a shell 6, a cover plate 8, a stay wire fixing end 9, a lock disc 10, a lock disc rotating shaft tube 11, a lock hole pin 12, a torsion spring 13, a first spring fixing rod 14, a second spring fixing rod 15, a limiting screw 16, a lock disc rotating shaft rod 17, a rotary limiting through hole 18 and a handle 19. A lock dial shaft lever 17 and a first spring fixing lever 14 are both mounted on the housing 6, the lock dial shaft lever 17 being used to fix the lock dial shaft tube 11 and thus the lock dial 10. The stay wire fixing end 9 is matched with a corresponding clamping groove on the lock disc 10 and used for fixing the stay wire of the linkage unit. The second spring fixing rod 15 is installed on the lock disc 10, the lock disc 10 is further provided with an arc-shaped rotating limiting through hole 18 at a position corresponding to the first spring fixing rod 14, the first spring fixing rod 14 penetrates through the arc-shaped limiting through hole 18, the angle of the arc-shaped limiting hole 18 is equal to the maximum angle at which the lock disc 10 can rotate, and the maximum rotating angle of the lock disc 10 can be limited through the angle of the arc-shaped limiting through hole 18. The lock dish changes the central siphon 11 cover and establishes on lock dish changes the central siphon 17, and lockhole round pin 12 is installed on lock dish changes the central siphon 11, and is fixed through stop screw 16, and the connecting rod of handle 19 is installed in lockhole round pin 12. The torsion spring 13 is sleeved on the lock plate rotating shaft tube 11, and two ends of the torsion spring 13 are respectively sleeved on the first spring fixing rod 14 and the second spring fixing rod 15.
When the opening unit is provided with the handle 19, a rubber gasket is arranged on the cover plate 8, and the rubber gasket is also arranged at the joint of the lock disc rotating shaft tube 11 and the rotating disc rotating shaft rod 17 and used for protecting the device and reducing abrasion,
this device is when using, and the user rotates handle 19 back clockwise, and clockwise rotation is done along with handle 19 to lock dish 10, and second spring fixed lever 15 rotates along with lock dish 10 this moment, and first spring fixed lever 14 is fixed on the shell, does not rotate along with lock dish 10, and torque spring 13 receives the extrusion. When the lock dish 10 rotates, be located the fixed end 9 of acting as go-between on the lock dish 10 and follow the rotation, because act as go-between be connected with on the fixed end 9 and act as go-between fixed end 9 integrated into one piece's steel wire 20, consequently the steel wire is acted as go-between 20 and is followed the fixed end 9 removal of acting as go-between, and the adjustable end 21 of acting as go-between that is located lock point unit shell 6 this moment also follows the removal, and then drives spring bolt connecting rod 3 and spring bolt 1 and remove together, accomplishes the action of unblanking, and pressurized rebound.
Because the compression rebound spring 2 and the torsion spring 13 are both compressed, after the user releases the handle 19, the compression rebound spring 2 and the torsion spring 13 are both restored to the original state, and the door lock completes the automatic locking action.
The installation steps of each unit in the device are as follows:
first, door top locking point unit and door bottom locking point unit
(1) A compressed rebound spring support plate 7 is arranged in the shell 6;
(2) a bolt sleeve 4 is arranged on the pressure rebound spring support plate 7;
(3) the lock tongue 1 is fixedly connected with a lock tongue connecting rod 3, and a compressed rebound spring 2 is sleeved on the lock tongue connecting rod 3;
(4) the lock tongue 1, the pressure rebound spring 2 and the lock tongue connecting rod 3 are integrally arranged in a lock tongue sleeve 4, and the lock tongue connecting rod 3 penetrates through a pressure rebound spring supporting plate 7;
(5) fixing a stay wire adjustable end 21 provided with a steel wire stay wire 20 on the bolt connecting rod 3, wherein one end of a cavity full-wire screw 22 in the shell 6 is provided with a rubber gasket, the cavity full-wire screw 22 is fixed on a full-wire screw preformed hole on the shell 6 through an adjusting nut and a spring gasket, a stay wire pipe adjusting end 23 is fixedly connected with the cavity full-wire screw 22 through threads, and a stay wire pipe 24 is fixedly connected with the stay wire pipe adjusting end 23;
(6) the cover plate 8 is installed, and the housing 6 and the cover plate 8 are fixed by screws.
Second, opening unit
(1) Sleeving a lock disc 10 provided with a second spring fixing rod 15 on a lock disc rotating shaft rod 17 through a lock disc rotating shaft tube 11, and enabling a first spring fixing rod 14 to penetrate through a rotation limiting through hole 18;
(2) a lock hole pin 12 is arranged in the lock disc rotating shaft tube 11 and is fixed through a limiting screw 16;
(3) fixing a stay wire fixing end 9 in a corresponding clamping groove on a lock disc 10, wherein the stay wire fixing end 9 and a steel wire stay wire 20 are integrally formed, a cavity full-thread screw 22 is fixed on a full-thread screw preformed hole through an adjusting nut and a spring gasket, a stay wire pipe adjusting end 23 is fixedly connected with the cavity full-thread screw 22 through threads, a stay wire pipe 24 is fixedly connected with the stay wire pipe adjusting end 23, and the steel wire stay wire 20 sequentially passes through the cavity full-thread screw 22, the stay wire pipe adjusting end 23 and the stay wire pipe 24;
(4) mounting a cover plate 8, and connecting the shell 6 with the cover plate 8;
(5) a handle 19 is mounted.
The device is provided with the adjustable end 21 of the stay wire and the adjustable end 23 of the stay wire pipe, the length of the steel wire stay wire 20 can be adjusted, when the device is installed on an ultra-large door, the installation is simple and convenient, the length of the steel wire stay wire can be adjusted according to the user demands, and the applicability is very strong.
The invention has the following innovation points:
1. the structure is simplified, and the cost is saved.
2. The transmission system adopts a form of combining a stay wire with a stay wire pipe, so that the weight of the door lock transmission system can be almost ignored, and the door lock transmission system can be opened and closed more easily.
3. The transmission of collision force at the lock point through the transmission rod is effectively released, and the damage probability of other parts in the use process is reduced.
4. Each part of the lock body is in a modular design, so that later-stage maintenance and replacement are facilitated.
5. The transmission system combining the pull wire with the pull wire pipe is adopted, and the arrangement of the opening device is more flexible.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an ultra-large type door lock device, its characterized in that, includes door top lock point unit, opens unit, door end lock point unit and linkage unit, door top lock point unit and door end lock point unit all through the linkage unit with open the unit connection, door top lock point unit and door end lock point unit structure the same, all be equipped with spring bolt (1), atress rebound spring (2) and spring bolt connecting rod (3) that link to each other with spring bolt (1), the linkage unit include steel wire stay wire (20), steel wire stay wire (20) with open the unit connection, open the unit and drive spring bolt (1) through steel wire stay wire (20) control spring bolt connecting rod (3) and unblank the action, atress rebound spring (2) reset, accomplish the shutting action.
2. The door lock device of the ultra-large door according to claim 1, wherein the door top locking point unit, the opening unit and the door bottom locking point unit are provided with a shell (6) and a cover plate (8) for protection, the shell (6) of the door top locking point unit is provided with a pressure rebound spring support plate (7), the pressure rebound spring (2) is sleeved outside the bolt connecting rod (3), one end of the pressure rebound spring is connected with the bolt (1), and the other end of the pressure rebound spring support plate (7) is connected with the pressure rebound spring.
3. The ultra-large door lock device according to claim 2, wherein the door top locking point unit comprises a locking bolt sleeve (4), the locking bolt (1), the pressure rebound spring (2) and the locking bolt connecting rod (3) are all arranged in the locking bolt sleeve (4), and the locking bolt (1) is slidably connected with the locking bolt sleeve (4).
4. The ultra-large door lock device according to claim 2, wherein the pressure-loaded resilient spring support plate (7) is provided with a bolt link preformed hole (5) for installing the bolt link (3), one end of the bolt link (3) is connected with the bolt (1), and the other end of the bolt link (3) passes through the bolt link preformed hole (5) to be connected with the linkage unit.
5. The door lock device of an ultra-large size door as claimed in claim 2, wherein said opening unit comprises a lock disk (10) installed in a housing (6) of the opening unit, the lock disk (10) is fixedly connected with a steel wire stay (20) through a stay wire fixing end (9), a base plate of the housing (6) of the opening unit is provided with a lock disk rotating shaft rod (17) and a first spring fixing rod (14), and the lock disk (10) is provided with an arc-shaped rotation limiting through hole (18) at a position corresponding to the first spring fixing rod (14).
6. The door lock device of the ultra-large door as claimed in claim 5, wherein the lock disc (10) is further provided with a lock disc rotating shaft tube (11) and a handle (19) which are inserted with the lock disc rotating shaft tube (17), a lock hole pin (12) is installed in the lock disc rotating shaft tube (11), the lock hole pin (12) is fixedly connected with the lock disc rotating shaft tube (11) through a limit screw (16), and a connecting rod of the handle (19) is installed in the lock hole pin (12).
7. The door lock device of claim 6, wherein the lock plate (10) further comprises a second spring fixing rod (15) and a torsion spring (13), the torsion spring (13) is sleeved on the lock plate rotating shaft tube (11), and two ends of the torsion spring (13) are respectively sleeved on the first spring fixing rod (14) and the second spring fixing rod (15).
8. The door lock device of the ultra-large door according to claim 2, wherein the linkage unit further comprises a stay wire adjustable end (21), a cavity full-wire screw (22), a stay wire pipe adjustable end (23) and a stay wire pipe (24), the steel wire stay wire (20) sequentially passes through the stay wire adjustable end (21), the cavity full-wire screw (22), the stay wire pipe adjustable end (23) and the stay wire pipe (24), the stay wire adjustable end (21) is fixed at the lower end of the bolt connecting rod (3), and the cavity full-wire screw (22) is fixed on the housing.
9. The door lock device of claim 8, wherein the cavity full-thread screw (22) is connected with the housing (6) through an adjusting nut, a spring washer is arranged at the joint of the adjusting nut and the housing (6), and a rubber washer is arranged at one end of the cavity full-thread screw (22) positioned in the housing.
10. A very large door lock device according to claim 1, characterized in that said bolt (1) has a single-side round-corner structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911041949.5A CN110630119A (en) | 2019-10-30 | 2019-10-30 | Ultra-large door lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911041949.5A CN110630119A (en) | 2019-10-30 | 2019-10-30 | Ultra-large door lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110630119A true CN110630119A (en) | 2019-12-31 |
Family
ID=68978608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911041949.5A Pending CN110630119A (en) | 2019-10-30 | 2019-10-30 | Ultra-large door lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110630119A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734239A (en) * | 2020-06-04 | 2020-10-02 | 北京爱思达航天科技有限公司 | Quick connecting mechanism and quick connecting system |
| CN115059357A (en) * | 2022-06-28 | 2022-09-16 | 澳柯玛股份有限公司 | Door lock mechanism with spring controlling upper and lower double locks of steel wire pull rope |
-
2019
- 2019-10-30 CN CN201911041949.5A patent/CN110630119A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734239A (en) * | 2020-06-04 | 2020-10-02 | 北京爱思达航天科技有限公司 | Quick connecting mechanism and quick connecting system |
| CN115059357A (en) * | 2022-06-28 | 2022-09-16 | 澳柯玛股份有限公司 | Door lock mechanism with spring controlling upper and lower double locks of steel wire pull rope |
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Address after: Room 309, 63 Lane 1277, zhuanxing East Road, Minhang District, Shanghai 201108 Applicant after: SHANGHAI BRIGHT INTELLIGENT CURTAIN WALL Co.,Ltd. Applicant after: Wall housekeeper construction technology (Shanghai) Co., Ltd Address before: Room 309, 63 Lane 1277, zhuanxing East Road, Minhang District, Shanghai 201108 Applicant before: SHANGHAI BRIGHT INTELLIGENT CURTAIN WALL Co.,Ltd. Applicant before: Wall housekeeper data service (Shanghai) Co., Ltd |
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