CN104499868A - Lifting door plank device capable of being self-locked by use of single screw - Google Patents
Lifting door plank device capable of being self-locked by use of single screw Download PDFInfo
- Publication number
- CN104499868A CN104499868A CN201410809310.8A CN201410809310A CN104499868A CN 104499868 A CN104499868 A CN 104499868A CN 201410809310 A CN201410809310 A CN 201410809310A CN 104499868 A CN104499868 A CN 104499868A
- Authority
- CN
- China
- Prior art keywords
- door
- plate
- lock
- screw mandrel
- plate lifting
- 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.)
- Granted
Links
- 230000001174 ascending effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
- E05F15/673—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by screw-and-nut mechanisms
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/116—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for sluices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention provides a lifting door plank device capable of being self-locked by use of a single screw. The lifting door plank device comprises a door plank (1) and a door plank lifting driving device (21); the door plank lifting driving device (21) comprises a housing (20) which is fixed on a supporting base; a door plank lifting driving motor (16) is fixed in the housing (20); the door plank lifting driving motor (16) is in power connection with the upper end of a door plank lifting driving lead screw (17); the door plank lifting driving lead screw (17) is in screw-thread fit with a threaded hole formed in the door plank (1); convex shoulders (2) are arranged on the two sides of the upper edge of the door plank (1); locking holes (3) open towards the middle of the door plank (1) and perpendicular to the door plank lifting driving lead screw (17) are formed in the inner side surface of the two convex shoulders (2).
Description
Technical field
The invention belongs to ascending/decending door-plate field, especially a kind ofly utilize single screw rod to realize the ascending/descending door panel assembly automatically locked.
Background technology
Some ascending/decending door-plates, the raising workshop door-plate, water conservancy gate etc. of such as livestock-raising field, drive the lifting realizing door-plate often through screw mandrel, and then the break-make realizing current controls.
In some cases .., door-plate often needs often to open, and now, door-plate often normality is in raised position.This stability that is stressed and whole door-plate system for leading screw all has adverse effect.If the faults such as screw mandrel fracture occur occur, also easily cause the accidents such as door-plate drops and occur.
And more existing lock-in techniques are often through artificial realization, its reliability and automaticity lower.And can not lock at any time.
Summary of the invention
The object of the present invention is to provide and a kind ofly utilize single screw rod to realize the ascending/descending door panel assembly automatically locked, its operational reliability is high, can improve the safety in operation of door-plate system.
According to the present invention, a kind ofly single screw rod is utilized to realize the ascending/descending door panel assembly automatically locked, comprise door-plate and door-plate lifting drive, described door-plate lifting drive comprises housing, described housing is fixed on support base, door-plate lifting drive motors is fixed in described housing, and described door-plate lifting drive motors is elevated with door-plate and drives the upper end power of screw mandrel to connect, and described door-plate lifting drives the screw threaded engagement in screw mandrel and described door-plate; The top edge both sides of described door-plate respectively have protrusion shoulder, the medial surface of two described protrusion shoulders all has open wide towards the middle part of described door-plate, be elevated with described door-plate the lock hole driving and the vertical direction of screw mandrel extends;
Described in described housing, door-plate lifting drives the downside of screw mandrel to be fixed with lock drive motor, and lock drive motor connects with lock drive screw rod power,
Described lock drive screw rod is used for being driven by ladder drive block being positioned at the lock slider that door-plate lifting drives the screw mandrel left and right sides, described door-plate lifting drives the lock slider of the screw mandrel left and right sides to be arranged symmetrically with and structure is identical, the inner side end of two described lock sliders drives the direction of screw mandrel all to protrude towards described door-plate lifting and is provided with outstanding ear, described outstanding ear is provided with roller, the stepped profile Structure deformation of roller and described ladder drive block; Downside and the lower skateboard be fixed on described housing of described horizontal movement Lock Part are slidably matched, and upper side and the upper slide be fixed on described housing of described horizontal movement Lock Part are slidably matched;
Described ladder drive block is provided with two stepped profile portions with driving the axisymmetrical of screw mandrel about described door-plate lifting, what be formed as one between described two stepped profile portions is fixedly connected with portion, describedly be fixedly connected with in portion the screw being provided with and coordinating with described lock drive screw flight
The outer ledge in described two stepped profile portions is described stepped profile, described stepped profile all has top locking vertical plane, unlocks vertical plane from the inclined-plane, middle part that described top locking vertical plane tilts to the inside and bottom, and described two stepped profile portions are driving the inside edge of screw mandrel to be vertical sliding part near described door-plate lifting;
Also track sleeves is fixed with in the bosom position of described housing, the lifting of described door-plate drives screw mandrel through the through hole of the longitudinal extension of described track sleeves, and the left and right side of described track sleeves is respectively arranged with the track for being slidably matched with two described vertical sliding parts.
Wherein, the track of the left and right side of described track sleeves is provided with upper limit position block and lower position block.
The using method of described device, after described door-plate is driven to raised position, described door-plate lifting drive motors is out of service; Now described roller contacts with described unblock vertical plane; Then described lock drive motor runs, drive ladder drive block descending, two described lock sliders are horizontally outward run, and final described cross sliding clock inserts in described lock hole, and top locking vertical plane and roller contact, then described lock drive motor is out of service.
Pass through such scheme, owing to have employed the ladder slide block device in the portion that is fixedly connected with the centre position be integrally formed, it can drive two slide section by single screw rod simultaneously, therefore, it is possible to keep synchronous to greatest extent and reduce screw rod usage quantity reducing costs; Realize locking by lock drive motor, its automaticity is high, and by both sides lock slider synchronous operation, can improve the locking stable degree of door-plate.By the setting of outline side coordinated with roller, locking extending apparatus can swimmingly, be reliably made to stretch out smoothly, and utilize track sleeves, be integrally formed two track side surfaces, therefore, it is possible to make stretching out resistance and can cancelling out each other of the locking extending apparatus of both sides, reduce the perturbed force to housing unit, improve the safety of running.After locking, locking extending apparatus is jammed by upper lower skateboard, can reliably lock by end of door plate.And lifting drive motors and lock drive motor arrange respectively and fix respectively, its operation is independent of each other, and improves the reliability of whole system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of door apparatus of the present invention when raised position does not still lock;
Fig. 2 is the enlarged drawing at the locking position of the door apparatus of Fig. 1;
Fig. 3 is the schematic diagram of door apparatus of the present invention when raised position still locks;
Fig. 4 is the enlarged drawing at the locking position of door apparatus in Fig. 3.
Fig. 5 be in Fig. 2 D ?the cross-sectional schematic in D direction.
Detailed description of the invention
According to figure 1 ?5, the present invention is described in detail.
A kind ofly single screw rod is utilized to realize the ascending/descending door panel assembly automatically locked, comprise door-plate 1 and door-plate lifting drive 21, described door-plate lifting drive 21 comprises housing 20, described housing 20 is fixed on support base, door-plate lifting drive motors 16 is fixed in described housing 20, described door-plate lifting drive motors 16 is elevated with door-plate and drives the upper end power of screw mandrel 17 to connect, and described door-plate lifting drives screw mandrel 17 and the screw threaded engagement in described door-plate 1; The top edge both sides of described door-plate 1 respectively have protrude shoulder 2, two described protrusion shoulders 2 medial surface on all have open wide towards the middle part of described door-plate 1, be elevated with described door-plate the lock hole 3 driving and the vertical direction of screw mandrel 17 extends;
Described in described housing, door-plate lifting drives the downside of screw mandrel 17 to be fixed with lock drive motor 15, and lock drive motor 15 connects with lock drive screw rod 10 power,
Described lock drive screw rod 10 is positioned at for being driven by ladder drive block 11 lock slider 40 that door-plate lifting drives screw mandrel 17 left and right sides, described door-plate lifting drives the lock slider 40 of screw mandrel 17 left and right sides to be arranged symmetrically with and structure is identical, the inner side end of two described lock sliders 40 drives the direction of screw mandrel 17 all to protrude towards described door-plate lifting and is provided with outstanding ear 26, described outstanding ear 26 is provided with roller 25, the stepped profile Structure deformation of roller 25 and described ladder drive block 11; Downside and the lower skateboard 4 be fixed on described housing 20 of described horizontal movement Lock Part are slidably matched, and upper side and the upper slide 13 be fixed on described housing 20 of described horizontal movement Lock Part are slidably matched;
Described ladder drive block 11 is provided with two stepped profile portions with driving the axisymmetrical of screw mandrel 17 about described door-plate lifting, the portion that is fixedly connected with 110 be formed as one between described two stepped profile portions, describedly be fixedly connected with in portion 110 screw being provided with and coordinating with described lock drive screw flight
The outer ledge in described two stepped profile portions is described stepped profile, described stepped profile all has top locking vertical plane 12, unlocks vertical plane 5 from the inclined-plane, middle part that described top locking vertical plane 12 tilts to the inside and bottom, and described two stepped profile portions are driving the inside edge of screw mandrel 17 to be vertical sliding part 7 near described door-plate lifting;
Track sleeves 8 is also fixed with in the bosom position of described housing 20, the lifting of described door-plate drives screw mandrel 17 through the through hole of the longitudinal extension of described track sleeves, and the left and right side of described track sleeves 8 is respectively arranged with the track for being slidably matched with two described vertical sliding parts 7.
Wherein, the track of the left and right side of described track sleeves 8 is provided with upper limit position block 9 and lower position block 6.
The using method of described ascending/descending door panel assembly, after described door-plate 1 is driven to raised position, described door-plate lifting drive motors 16 is out of service; Now described roller 25 contacts with described unblock vertical plane 5; Then described lock drive motor 15 runs, drive ladder drive block 11 descending, two described lock sliders 40 are horizontally outward run, final described cross sliding clock inserts in described lock hole 3, and top locking vertical plane 12 contacts with roller 25, and then described lock drive motor 15 is out of service.
Claims (3)
1. one kind utilizes single screw rod to realize the ascending/descending door panel assembly automatically locked, comprise door-plate (1) and door-plate lifting drive (21), described door-plate lifting drive (21) comprises housing (20), described housing (20) is fixed on support base, door-plate lifting drive motors (16) is fixed in described housing (20), described door-plate lifting drive motors (16) is elevated with door-plate and drives the upper end power of screw mandrel (17) to connect, described door-plate lifting drives screw mandrel (17) and the screw threaded engagement in described door-plate (1), the top edge both sides of described door-plate (1) respectively have protrusion shoulder (2), the medial surface of two described protrusion shoulders (2) all has towards the middle part of described door-plate (1) open wide, be elevated with described door-plate the lock hole (3) driving and the vertical direction of screw mandrel (17) extends,
Described in described housing, door-plate lifting drives the downside of screw mandrel (17) to be fixed with lock drive motor (15), and lock drive motor (15) connects with lock drive screw rod (10) power,
Described lock drive screw rod (10) is positioned at for being driven by ladder drive block (11) lock slider (40) that door-plate lifting drives screw mandrel (17) left and right sides, described door-plate lifting drives the lock slider (40) of screw mandrel (17) left and right sides to be arranged symmetrically with and structure is identical, the inner side end of two described lock sliders (40) drives the direction of screw mandrel (17) all to protrude towards described door-plate lifting and is provided with outstanding ear (26), described outstanding ear (26) is provided with roller (25), the stepped profile Structure deformation of roller (25) and described ladder drive block (11), downside and the lower skateboard (4) be fixed on described housing (20) of described horizontal movement Lock Part are slidably matched, and upper side and the upper slide (13) be fixed on described housing (20) of described horizontal movement Lock Part are slidably matched,
Described ladder drive block (11) is provided with two stepped profile portions with driving the axisymmetrical of screw mandrel (17) about described door-plate lifting, the portion that is fixedly connected with (110) be formed as one between described two stepped profile portions, describedly be fixedly connected with in portion (110) screw being provided with and coordinating with described lock drive screw flight
The outer ledge in described two stepped profile portions is described stepped profile, described stepped profile all has top locking vertical plane (12), unlocks vertical plane (5) from the inclined-plane, middle part that described top locking vertical plane (12) is tilted to the inside and bottom, and described two stepped profile portions are driving the inside edge of screw mandrel (17) to be vertical sliding part (7) near described door-plate lifting;
Track sleeves (8) is also fixed with in the bosom position of described housing (20), the lifting of described door-plate drives screw mandrel (17) through the through hole of the longitudinal extension of described track sleeves, and the left and right side of described track sleeves (8) is respectively arranged with the track for being slidably matched with two described vertical sliding parts (7).
2. a kind ofly as claimed in claim 1 utilize single screw rod to realize the ascending/descending door panel assembly automatically locked, wherein, the track of the left and right side of described track sleeves (8) is provided with upper limit position block (9) and lower position block (6).
3. a kind of using method utilizing single screw rod to realize the ascending/descending door panel assembly automatically locked as claimed in claim 1, after described door-plate (1) is driven to raised position, described door-plate lifting drive motors (16) is out of service; Now described roller (25) contacts with described unblock vertical plane (5); Then described lock drive motor (15) is run, drive ladder drive block (11) descending, two described lock sliders (40) are horizontally outward run, final described cross sliding clock inserts in described lock hole (3), and top locking vertical plane (12) contacts with roller (25), and then described lock drive motor (15) is out of service.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292769.4A CN105840036B (en) | 2014-12-23 | 2014-12-23 | A kind of application method of the ascending/descending door panel assembly that automatic locking is realized using single screw rod |
| CN201410809310.8A CN104499868B (en) | 2014-12-23 | 2014-12-23 | A kind of ascending/descending door panel assembly utilizing single screw rod to realize locking automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809310.8A CN104499868B (en) | 2014-12-23 | 2014-12-23 | A kind of ascending/descending door panel assembly utilizing single screw rod to realize locking automatically |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292769.4A Division CN105840036B (en) | 2014-12-23 | 2014-12-23 | A kind of application method of the ascending/descending door panel assembly that automatic locking is realized using single screw rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104499868A true CN104499868A (en) | 2015-04-08 |
| CN104499868B CN104499868B (en) | 2016-09-21 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292769.4A Expired - Fee Related CN105840036B (en) | 2014-12-23 | 2014-12-23 | A kind of application method of the ascending/descending door panel assembly that automatic locking is realized using single screw rod |
| CN201410809310.8A Active CN104499868B (en) | 2014-12-23 | 2014-12-23 | A kind of ascending/descending door panel assembly utilizing single screw rod to realize locking automatically |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292769.4A Expired - Fee Related CN105840036B (en) | 2014-12-23 | 2014-12-23 | A kind of application method of the ascending/descending door panel assembly that automatic locking is realized using single screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105840036B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285397A (en) * | 2016-09-13 | 2017-01-04 | 张丽琴 | A kind of electric window arrangement |
| CN106285396A (en) * | 2016-09-13 | 2017-01-04 | 张丽琴 | A kind of intelligent electric window arrangement |
| CN106337399A (en) * | 2016-11-11 | 2017-01-18 | 颍上县水资源管理所 | Hydraulic driven gate open-close device |
| CN106759135A (en) * | 2016-12-23 | 2017-05-31 | 广州迩鼎机电设备有限公司 | A kind of two-door Gate appts. |
| CN110273615A (en) * | 2019-05-13 | 2019-09-24 | 嘉兴缔华贸易有限公司 | A kind of heat-insulating energy-saving window |
| CN112796611A (en) * | 2021-01-13 | 2021-05-14 | 成都唐源电气股份有限公司 | Lifting type platform door system |
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| CN106284219A (en) * | 2016-08-12 | 2017-01-04 | 方德兰 | A kind of valve system of hydraulic engineering |
| CN106192921A (en) * | 2016-08-12 | 2016-12-07 | 张保国 | A kind of Novel water conservancy gate structure |
| CN106192923A (en) * | 2016-08-12 | 2016-12-07 | 张保国 | A kind of solar powered lift water conservancy gate member |
| CN106284220A (en) * | 2016-08-12 | 2017-01-04 | 方德兰 | A kind of water conservancy gate device |
| CN106065589A (en) * | 2016-08-12 | 2016-11-02 | 方德兰 | A kind of lift water conservancy gate equipment of Based Intelligent Control |
| CN112563991B (en) * | 2020-11-27 | 2022-03-29 | 闵信忠 | Height-adjustable cable bridge |
| CN112563992B (en) * | 2020-11-27 | 2022-07-05 | 闵信忠 | Cable fixing and protecting device with position adjusting function |
| CN112490970B (en) * | 2020-11-27 | 2022-03-29 | 闵信忠 | Cable bridge with adjustable clamping force |
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| CN201746821U (en) * | 2010-08-25 | 2011-02-16 | 段光友 | Screw start-stop gate device |
| JP3177763U (en) * | 2010-12-27 | 2012-08-16 | 薫 橋詰 | Lift gate opening and closing device |
| CN203188179U (en) * | 2013-03-15 | 2013-09-11 | 西北农林科技大学 | Gravitational potential energy storage automatic gate |
| KR101457872B1 (en) * | 2014-09-11 | 2014-11-06 | 주식회사 아이엔텍 | Floodgate driving equipment |
| CN104594303A (en) * | 2014-12-05 | 2015-05-06 | 竺珺 | Water conservancy gate device capable of being locked automatically |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3177763B2 (en) * | 1994-06-17 | 2001-06-18 | タキロン株式会社 | Electrode material |
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2014
- 2014-12-23 CN CN201610292769.4A patent/CN105840036B/en not_active Expired - Fee Related
- 2014-12-23 CN CN201410809310.8A patent/CN104499868B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746821U (en) * | 2010-08-25 | 2011-02-16 | 段光友 | Screw start-stop gate device |
| JP3177763U (en) * | 2010-12-27 | 2012-08-16 | 薫 橋詰 | Lift gate opening and closing device |
| CN203188179U (en) * | 2013-03-15 | 2013-09-11 | 西北农林科技大学 | Gravitational potential energy storage automatic gate |
| KR101457872B1 (en) * | 2014-09-11 | 2014-11-06 | 주식회사 아이엔텍 | Floodgate driving equipment |
| CN104594303A (en) * | 2014-12-05 | 2015-05-06 | 竺珺 | Water conservancy gate device capable of being locked automatically |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285397A (en) * | 2016-09-13 | 2017-01-04 | 张丽琴 | A kind of electric window arrangement |
| CN106285396A (en) * | 2016-09-13 | 2017-01-04 | 张丽琴 | A kind of intelligent electric window arrangement |
| CN106285397B (en) * | 2016-09-13 | 2017-12-22 | 张丽琴 | A kind of electric window structure |
| CN106337399A (en) * | 2016-11-11 | 2017-01-18 | 颍上县水资源管理所 | Hydraulic driven gate open-close device |
| CN106759135A (en) * | 2016-12-23 | 2017-05-31 | 广州迩鼎机电设备有限公司 | A kind of two-door Gate appts. |
| CN106759135B (en) * | 2016-12-23 | 2018-10-23 | 扬州群益机械有限公司 | A kind of two-door Gate appts. |
| CN110273615A (en) * | 2019-05-13 | 2019-09-24 | 嘉兴缔华贸易有限公司 | A kind of heat-insulating energy-saving window |
| CN110273615B (en) * | 2019-05-13 | 2021-01-19 | 连云港金烁建材有限公司 | Heat-insulating energy-saving window |
| CN112796611A (en) * | 2021-01-13 | 2021-05-14 | 成都唐源电气股份有限公司 | Lifting type platform door system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105840036B (en) | 2017-07-07 |
| CN105840036A (en) | 2016-08-10 |
| CN104499868B (en) | 2016-09-21 |
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