CN105156013A - Trackless electric retractable door - Google Patents
Trackless electric retractable door Download PDFInfo
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- CN105156013A CN105156013A CN201510389018.XA CN201510389018A CN105156013A CN 105156013 A CN105156013 A CN 105156013A CN 201510389018 A CN201510389018 A CN 201510389018A CN 105156013 A CN105156013 A CN 105156013A
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- retractable door
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- 238000005516 engineering process Methods 0.000 description 3
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- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention provides a trackless electric retractable door. The trackless electric retractable door is characterized in that a first middle support is arranged between each two adjacent first door frames, first connecting rod groups are arranged between the adjacent first door frames and the adjacent first middle supports, and cross joints of first connecting rods are connected with the first middle supports or first support rods by first pull springs; a second middle support is arranged between each two adjacent second door frames, second connecting rod groups are arranged between the adjacent second door frames and the adjacent second middle supports, and cross joints of second connecting rods are connected with the second middle supports or second support rods by second pull springs. The trackless electric retractable door has the advantages that door rows can be pulled by the first connecting rod groups and the second connecting rod groups to move when a first retractable door and a second retractable door are about to move, so that the retractable doors can be contracted or spread, the first connecting rod groups and the second connecting rod groups are low in stress and can be prevented from deforming or being broken, the integral stability of the retractable doors can be guaranteed, guide tracks on the ground can be omitted, and the retractable doors can stably run and can constantly keep linearly running.
Description
Technical field
The present invention relates to electric extendable door technical field, particularly relate to a kind of railless electric retractable door.
Background technology
Various door can be seen in people's life, as the gate etc. of the door of house, gate and work unit, the structure of conventional door is well known, and no matter the form of door how, and traditional door is all by rotate or push-and-pull two kinds of modes realize the opening and closing of door.In recent years, along with the development of science and technology, two traditional fan rotary-open-type gates are gradually by electric extendable door is substituted, and it is convenient that electric extendable door is opened as a kind of novel Men Yiqi, handsome in appearance, can many-sided advantage such as Electronic control and obtain increasingly extensive application.In existing electric extendable door, many is overlength door row formula structure, and conventional telescopic Men Jun draws door body by head through cross link to move, and realizes contraction or the expansion of retractable door.Existing electric extendable door in door body moving process, its tractive force put on connect each doorframe cross link on, make cross link too greatly and easily produce distortion because of stressed and fracture, and the distance of door body movement cannot accurately control.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of railless electric retractable door, structure is simple, and cross link is stressed littlely can not be out of shape or fracture.
A kind of railless electric retractable door that the present invention proposes, comprise symmetrically arranged first retractable door and the second retractable door, first retractable door comprises the first door row, the first head, second retractable door comprises the second door row, the second head, the first retractable door electric device is provided with in first head, the second retractable door electric device is provided with in second head, wherein:
First door row comprises multiple first doorframe, first intermediate support is provided with between adjacent two the first doorframes, the first pole is equipped with in each first doorframe, first intermediate support, first pole upper and lower two ends opposite position is provided with the first chute, the first slide block is provided with in first chute, at the first adjacent doorframe, first connecting rod group is equipped with between first intermediate support, first connecting rod group comprises two cross-coupled first connecting rods, first connecting rod two ends are connected with the first slide block respectively, first connecting rod interconnection place is all connected with the first intermediate support or the first pole by the first stiff spring,
Second door row comprises multiple second doorframe, second intermediate support is provided with between adjacent two the second doorframes, the second pole is equipped with in each second doorframe, second intermediate support, second pole upper and lower two ends opposite position is provided with the second chute, the second slide block is provided with in second chute, at the second adjacent doorframe, second connecting rod group is equipped with between second intermediate support, second connecting rod group comprises two cross-coupled second connecting rods, second connecting rod two ends are connected with the second slide block respectively, second connecting rod interconnection place is all connected with the second intermediate support or the second pole by the second stiff spring,
First head, the second head, the first doorframe, the second doorframe lower end are equipped with road wheel.
Preferably, also comprise controller, first head is provided with the distance measuring sensor of spacing for detecting the first head, the second head near second head one end, distance measuring sensor is connected with controller, and controller is connected with the first retractable door electric device, the second retractable door electric device.
Preferably, the first doorframe lower end connects by the first horizontal cross connection rod set connected in horizontal cross, and each connecting rod of the first horizontal cross connection rod set is hinged successively by the first rotating connector, and hinged with the first doorframe, the first intermediate support; Second doorframe lower end connects by the second horizontal cross connection rod set connected in horizontal cross, and each connecting rod of the second horizontal cross connection rod set is hinged successively by the second rotating connector, and hinged with the second doorframe, the second intermediate support.
Preferably, the first doorframe upper end connects by the 3rd horizontal cross connection rod set connected in horizontal cross, and each connecting rod of the 3rd horizontal cross connection rod set is hinged successively by the 3rd rotating connector, and hinged with the first doorframe, the first intermediate support; Second doorframe upper end connects by the 4th horizontal cross connection rod set connected in horizontal cross, and each connecting rod of the 4th horizontal cross connection rod set is hinged successively by the 4th rotating connector, and hinged with the second doorframe, the second intermediate support.
Preferably, the first horizontal cross connection rod set comprises multiple cross-coupled third connecting rod and the 3rd stiff spring, and the 3rd stiff spring two ends are connected with adjacent third connecting rod intermediate interdigitated junction respectively; Second horizontal cross connection rod set includes multiple cross-coupled double leval jib and the 4th stiff spring, and the 4th stiff spring two ends are connected with adjacent double leval jib intermediate interdigitated junction respectively.
Preferably, the 3rd horizontal cross connection rod set includes multiple cross-coupled 5th connecting rod and the 5th stiff spring, and the 5th stiff spring two ends are connected with the 5th adjacent connecting rod intermediate interdigitated junction respectively; 4th horizontal cross connection rod set includes multiple cross-coupled six-bar linkage and the 6th stiff spring, and the 6th stiff spring two ends are connected with adjacent six-bar linkage intermediate interdigitated junction respectively.
Preferably, first head, the second head, the first doorframe, the second doorframe are all provided with solar panels, be provided with batteries in first head, the second head, solar panels are connected with batteries, and batteries is connected with the first retractable door electric device, the second retractable door electric device respectively.
Preferably, the first doorframe, the first intermediate support, the second doorframe, the second intermediate support upper end are equipped with tip.
In the present invention, first door row comprises multiple first doorframe, first intermediate support is provided with between adjacent two the first doorframes, the first pole is equipped with in each first doorframe, first connecting rod group is equipped with between the first adjacent doorframe, the first intermediate support, first connecting rod group comprises two cross-coupled first connecting rods, and first connecting rod interconnection place is all connected with the first intermediate support or the first pole by the first stiff spring; Second door row comprises multiple second doorframe, second intermediate support is provided with between adjacent two the second doorframes, the second pole is equipped with in each second doorframe, second connecting rod group is equipped with between the second adjacent doorframe, the second intermediate support, second connecting rod group comprises two cross-coupled second connecting rods, and second connecting rod interconnection place is all connected with the second intermediate support or the second pole by the second stiff spring.The present invention adopts at the first adjacent doorframe, first connecting rod group is established between first intermediate support, at the second adjacent doorframe, second connecting rod group is established between second intermediate support, first connecting rod interconnection is also arranged on the first intermediate support by the first slide block, on first pole, second connecting rod interconnection is also arranged on the second intermediate support by the second slide block, on second pole, in the first retractable door, when second retractable door moves, first connecting rod group, second connecting rod group traction door row moves the contraction or expansion that realize retractable door, therefore first connecting rod group, second connecting rod group is stressed littlely can not be out of shape or fracture, and first stiff spring, the second stiff spring guarantee first connecting rod group, second connecting rod group sync pulling, ensure that retractable door is overall firm, without the need to installing guide rail on the ground, retractable door can be made to operate steadily, and remain linear running.
Accompanying drawing explanation
Fig. 1 is a kind of railless electric retractable door structural representation that the present invention proposes;
Fig. 2 is the first sash structure schematic diagram of a kind of railless electric retractable door that the present invention proposes;
Fig. 3 is the first intermediate support structural representation of a kind of railless electric retractable door that the present invention proposes;
Fig. 4 is the second sash structure schematic diagram of a kind of railless electric retractable door that the present invention proposes;
Fig. 5 is the second intermediate support structural representation of a kind of railless electric retractable door that the present invention proposes;
Fig. 6 is the first horizontal cross connection rod set structural representation of a kind of railless electric retractable door that the present invention proposes;
Fig. 7 is the second horizontal cross connection rod set structural representation of a kind of railless electric retractable door that the present invention proposes;
Fig. 8 is the 3rd horizontal cross connection rod set structural representation of a kind of railless electric retractable door that the present invention proposes;
Fig. 9 is the 4th horizontal cross connection rod set structural representation of a kind of railless electric retractable door that the present invention proposes.
Detailed description of the invention
With reference to Fig. 1, the present invention proposes a kind of railless electric retractable door, comprise symmetrically arranged first retractable door and the second retractable door, first retractable door comprises the first door row, the first head 11, second retractable door comprises the second door row, the second head 21, be provided with the first retractable door electric device in first head 11, in the second head 21, be provided with the second retractable door electric device.
As Fig. 1, Fig. 2, shown in Fig. 3, first door row comprises multiple first doorframe 12, first intermediate support 13 is provided with between adjacent two the first doorframes 12, the first pole 121 is equipped with in each first doorframe 12, first intermediate support 13, first pole about 121 two ends opposite position is provided with the first chute 16, the first slide block 17 is provided with in first chute 16, at the first adjacent doorframe 12, first connecting rod group is equipped with between first intermediate support 13, first connecting rod group comprises two cross-coupled first connecting rods 14, first connecting rod 14 two ends are connected with the first slide block 17 respectively, first connecting rod 14 interconnection place is all connected with the first intermediate support 13 or the first pole 121 by the first stiff spring 15.
As Fig. 1, Fig. 4, shown in Fig. 5, second door row comprises multiple second doorframe 22, second intermediate support 23 is provided with between adjacent two the second doorframes 22, the second pole 221 is equipped with in each second doorframe 22, second intermediate support 23, second pole about 221 two ends opposite position is provided with the second chute 26, the second slide block 27 is provided with in second chute 26, at the second adjacent doorframe 22, second connecting rod group is equipped with between second intermediate support 23, second connecting rod group comprises two cross-coupled second connecting rods 24, second connecting rod 24 two ends are connected with the second slide block 27 respectively, second connecting rod 24 interconnection place is all connected with the second intermediate support 23 or the second pole 221 by the second stiff spring 25.
As shown in Figure 6, Figure 7, in the present embodiment, the first doorframe 12 lower end connects by the first horizontal cross connection rod set 18 connected in horizontal cross, the each connecting rod of first horizontal cross connection rod set 18 is hinged successively by the first rotating connector 183, and hinged with the first doorframe 12, first intermediate support 13.First horizontal cross connection rod set 18 comprises multiple cross-coupled third connecting rod 181 and the 3rd stiff spring the 182, three stiff spring 182 two ends are connected with adjacent third connecting rod 181 intermediate interdigitated junction respectively.Second doorframe 22 lower end connects by the second horizontal cross connection rod set 28 connected in horizontal cross, and each connecting rod of the second horizontal cross connection rod set 28 is hinged successively by the second rotating connector 283, and hinged with the second doorframe 22, second intermediate support 23.Second horizontal cross connection rod set 28 includes multiple cross-coupled double leval jib 281 and the 4th stiff spring 282, and the 4th stiff spring 282 two ends are connected with adjacent double leval jib 281 intermediate interdigitated junction respectively.In the first doorframe 12, second doorframe 22 lower end, the first horizontal cross connection rod set 18, second horizontal cross connection rod set 28 is set respectively, can when retractable door moves, traction door row moves, ensure that the first retractable door, the second retractable door are overall firm, without the need to installing guide rail on the ground, retractable door can be made to operate steadily, and remain linear running.
As shown in Figure 8, Figure 9, in the present embodiment, the first doorframe 12 upper end connects by the 3rd horizontal cross connection rod set 19 connected in horizontal cross, the each connecting rod of 3rd horizontal cross connection rod set 19 is hinged successively by the 3rd rotating connector 193, and hinged with the first doorframe 12, first intermediate support 13.3rd horizontal cross connection rod set 19 includes multiple cross-coupled 5th connecting rod 191 and the 5th stiff spring the 192, five stiff spring 192 two ends are connected with the 5th adjacent connecting rod 191 intermediate interdigitated junction respectively.Second doorframe 22 upper end connects by the 4th horizontal cross connection rod set 29 connected in horizontal cross, and each connecting rod of the 4th horizontal cross connection rod set 29 is hinged successively by the 4th rotating connector 293, and hinged with the second doorframe 22, second intermediate support 23.4th horizontal cross connection rod set 29 includes multiple cross-coupled six-bar linkage 291 and the 6th stiff spring 292, and the 6th stiff spring 292 two ends are connected with the intermediate interdigitated junction of adjacent six-bar linkage 291 respectively.In the first doorframe 12, second doorframe 22 upper end, the 3rd horizontal cross connection rod set 19, the 4th horizontal cross connection rod set 29 are set respectively, can when retractable door moves, traction door row moves, ensure that the first retractable door, the second retractable door are overall firm, without the need to installing guide rail on the ground, retractable door can be made to operate steadily, and remain linear running.
As shown in Figure 1, Figure 2, Figure 4 shows, the first head 11, second head 21, first doorframe 12, second doorframe 22 lower end is equipped with road wheel 4.
As shown in Figure 1, the present embodiment also comprises controller, first head 11 is provided with the distance measuring sensor 6 of the spacing for detecting the first head 11, second head 21 near second head 21 one end, distance measuring sensor 6 is connected with controller, and controller is connected with the first retractable door electric device, the second retractable door electric device.Be provided with the first predeterminable range value, the second predeterminable range value in controller in advance, and the first predeterminable range value is greater than the second predeterminable range value.During enabling, controller controls the first retractable door electric device, second retractable door electric device drives the first retractable door respectively, second retractable door moves, in the first retractable door, when second retractable door moves, distance measuring sensor 6 detects the first head 11 in real time, distance between second head 21, controller obtains the first head 11 according to above-mentioned distance measuring sensor 6, real-time distance between second head 21 by the first head 11, real-time distance value between second head 21 and the first predeterminable range value, second predeterminable range value compares, when the first head 11, when distance between second head 21 equals the first predeterminable range value, controller controls the first retractable door electric device, second retractable door electric device stops driving first retractable door respectively, second retractable door moves.At closing time, controller controls the first retractable door electric device, second retractable door electric device drives the first retractable door respectively, second retractable door moves, in the first retractable door, when second retractable door moves, distance measuring sensor 6 detects the first head 11 in real time, distance between second head 21, controller obtains the first head 11 according to above-mentioned distance measuring sensor 6, real-time distance between second head 21 by the first head 11, real-time distance value between second head 21 and the first predeterminable range value, second predeterminable range value compares, when the first head 11, when distance between second head 21 is less than the second predeterminable range value, controller controls the first retractable door electric device, second retractable door electric device stops driving first retractable door respectively, second retractable door moves.
First head 11, second head 21, first doorframe 12, second doorframe 22 is all provided with solar panels, batteries is provided with in first head 11, second head 12, solar panels are connected with batteries, and batteries is connected with the first retractable door electric device, the second retractable door electric device respectively.Utilize solar electrical energy generation, energy conservation, protection of the environment.
As shown in Figure 1, Figure 2, Figure 4 shows, in the present embodiment, the first doorframe 12, first intermediate support 13, second doorframe 22, second intermediate support 23 upper end is equipped with tip 3.Can prevent people from climbing, cause danger.
A kind of railless electric retractable door that the present invention proposes, when the first retractable door, the second retractable door move, first connecting rod group, second connecting rod group traction door row moves the contraction or expansion that realize retractable door, and therefore first connecting rod group, second connecting rod group are stressed littlely can not be out of shape or fracture; And first stiff spring 15, second stiff spring 25 guarantee first connecting rod group, second connecting rod group sync pulling, ensure that retractable door is overall firm, without the need to installing guide rail on the ground, retractable door can be made to operate steadily, and remain linear running.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a railless electric retractable door, it is characterized in that, comprise symmetrically arranged first retractable door and the second retractable door, first retractable door comprises the first door row, the first head (11), second retractable door comprises the second door row, the second head (21), be provided with the first retractable door electric device in first head (11), in the second head (21), be provided with the second retractable door electric device, wherein:
First door row comprises multiple first doorframe (12), first intermediate support (13) is provided with between adjacent two the first doorframes (12), the first pole (121) is equipped with in each first doorframe (12), first intermediate support (13), first pole (121) up and down two ends opposite position is provided with the first chute (16), the first slide block (17) is provided with in first chute (16), at adjacent the first doorframe (12), first intermediate support is equipped with first connecting rod group between (13), first connecting rod group comprises two cross-coupled first connecting rods (14), first connecting rod (14) two ends are connected with the first slide block (17) respectively, first connecting rod (14) interconnection place is all connected with the first intermediate support (13) or the first pole (121) by the first stiff spring (15),
Second door row comprises multiple second doorframe (22), second intermediate support (23) is provided with between adjacent two the second doorframes (22), the second pole (221) is equipped with in each second doorframe (22), second intermediate support (23), second pole (221) up and down two ends opposite position is provided with the second chute (26), the second slide block (27) is provided with in second chute (26), at adjacent the second doorframe (22), second intermediate support is equipped with second connecting rod group between (23), second connecting rod group comprises two cross-coupled second connecting rods (24), second connecting rod (24) two ends are connected with the second slide block (27) respectively, second connecting rod (24) interconnection place is all connected with the second intermediate support (23) or the second pole (221) by the second stiff spring (25),
First head (11), the second head (21), the first doorframe (12), the second doorframe (22) lower end are equipped with road wheel (4).
2. railless electric retractable door according to claim 1, it is characterized in that, first doorframe (12) lower end connects by the first horizontal cross connection rod set (18) connected in horizontal cross, first horizontal cross connection rod set (18) each connecting rod is hinged successively by the first rotating connector (183), and hinged with the first doorframe (12), the first intermediate support (13); Second doorframe (22) lower end connects by the second horizontal cross connection rod set (28) connected in horizontal cross, second horizontal cross connection rod set (28) each connecting rod is hinged successively by the second rotating connector (283), and hinged with the second doorframe (22), the second intermediate support (23).
3. railless electric retractable door according to claim 1, it is characterized in that, first doorframe (12) upper end connects by the 3rd horizontal cross connection rod set (19) connected in horizontal cross, 3rd horizontal cross connection rod set (19) each connecting rod is hinged successively by the 3rd rotating connector (193), and hinged with the first doorframe (12), the first intermediate support (13); Second doorframe (22) upper end connects by the 4th horizontal cross connection rod set (29) connected in horizontal cross, 4th horizontal cross connection rod set (29) each connecting rod is hinged successively by the 4th rotating connector (193), and hinged with the second doorframe (22), the second intermediate support (23).
4. railless electric retractable door according to claim 2, it is characterized in that, first horizontal cross connection rod set (18) comprises multiple cross-coupled third connecting rod (181) and the 3rd stiff spring (182), and the 3rd stiff spring (182) two ends are connected with adjacent third connecting rod (181) intermediate interdigitated junction respectively; Second horizontal cross connection rod set (28) includes multiple cross-coupled double leval jib (281) and the 4th stiff spring (282), and the 4th stiff spring (282) two ends are connected with adjacent double leval jib (281) intermediate interdigitated junction respectively.
5. railless electric retractable door according to claim 3, it is characterized in that, 3rd horizontal cross connection rod set (19) includes multiple cross-coupled 5th connecting rod (191) and the 5th stiff spring (192), and the 5th stiff spring (192) two ends are connected with the 5th adjacent connecting rod (191) intermediate interdigitated junction respectively; 4th horizontal cross connection rod set (29) includes multiple cross-coupled six-bar linkage (291) and the 6th stiff spring (292), and the 6th stiff spring (292) two ends are connected with adjacent six-bar linkage (291) intermediate interdigitated junction respectively.
6. the railless electric retractable door according to any one of claim 1-5, it is characterized in that, also comprise controller, first head (11) is provided with the distance measuring sensor (6) of spacing for detecting the first head (11), the second head (21) near the second head (21) one end, distance measuring sensor (6) is connected with controller, and controller is connected with the first retractable door electric device, the second retractable door electric device.
7. the railless electric retractable door according to any one of claim 1-5, it is characterized in that, (22) are all provided with solar panels for first head (11), the second head (21), the first doorframe (12), the second doorframe, first head (11), the second head are provided with batteries in (12), solar panels are connected with batteries, and batteries is connected with the first retractable door electric device, the second retractable door electric device respectively.
8. the railless electric retractable door according to any one of claim 1-5, it is characterized in that, the first doorframe (12), the first intermediate support (13), the second doorframe (22), the second intermediate support (23) upper end are equipped with tip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510389018.XA CN105156013B (en) | 2015-06-30 | 2015-06-30 | A kind of railless electric retractable door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510389018.XA CN105156013B (en) | 2015-06-30 | 2015-06-30 | A kind of railless electric retractable door |
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| Publication Number | Publication Date |
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| CN105156013A true CN105156013A (en) | 2015-12-16 |
| CN105156013B CN105156013B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510389018.XA Active CN105156013B (en) | 2015-06-30 | 2015-06-30 | A kind of railless electric retractable door |
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| CN (1) | CN105156013B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106351530A (en) * | 2016-11-24 | 2017-01-25 | 广州万构建筑工程设计有限公司 | Electricity outputting device for electric door |
| CN106401347A (en) * | 2016-11-24 | 2017-02-15 | 广州万构建筑工程设计有限公司 | Electricity returning device for electric door |
| CN106481180A (en) * | 2016-11-24 | 2017-03-08 | 广州万构建筑工程设计有限公司 | A kind of telegram in reply equipment being arranged in electrically operated gate |
| CN106545292A (en) * | 2016-10-22 | 2017-03-29 | 钟立朋 | A kind of retractable door for cable gear |
| CN106948746A (en) * | 2017-05-19 | 2017-07-14 | 南京厚和机电科技有限公司 | The Belt and Road electric extendable door |
| CN107939269A (en) * | 2017-11-17 | 2018-04-20 | 安徽先锋门业科技有限公司 | A kind of energy-saving environment-friendly telescopic door |
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| CN102913119A (en) * | 2011-08-05 | 2013-02-06 | 张宝东 | Solar energy electric retractable door |
| JP2013245447A (en) * | 2012-05-24 | 2013-12-09 | Sankyotateyama Inc | Gate door |
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| CN1478989A (en) * | 2003-07-03 | 2004-03-03 | 深圳市红门机电设备有限公司 | Horizontal connecting structure of expansion door frame |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545292A (en) * | 2016-10-22 | 2017-03-29 | 钟立朋 | A kind of retractable door for cable gear |
| CN106351530A (en) * | 2016-11-24 | 2017-01-25 | 广州万构建筑工程设计有限公司 | Electricity outputting device for electric door |
| CN106401347A (en) * | 2016-11-24 | 2017-02-15 | 广州万构建筑工程设计有限公司 | Electricity returning device for electric door |
| CN106481180A (en) * | 2016-11-24 | 2017-03-08 | 广州万构建筑工程设计有限公司 | A kind of telegram in reply equipment being arranged in electrically operated gate |
| CN106351530B (en) * | 2016-11-24 | 2017-12-19 | 重庆益新阳工贸有限公司 | A kind of telegram in reply equipment used in electrically operated gate |
| CN106948746A (en) * | 2017-05-19 | 2017-07-14 | 南京厚和机电科技有限公司 | The Belt and Road electric extendable door |
| CN106948746B (en) * | 2017-05-19 | 2018-10-23 | 南京厚和机电科技有限公司 | Electric extendable door |
| CN107939269A (en) * | 2017-11-17 | 2018-04-20 | 安徽先锋门业科技有限公司 | A kind of energy-saving environment-friendly telescopic door |
| CN107939269B (en) * | 2017-11-17 | 2019-05-07 | 安徽先锋门业科技有限公司 | A kind of energy-saving environment-friendly telescopic door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105156013B (en) | 2017-07-11 |
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