CN108683097B - Dual-power control box of smoke exhaust fan - Google Patents
Dual-power control box of smoke exhaust fan Download PDFInfo
- Publication number
- CN108683097B CN108683097B CN201810576018.4A CN201810576018A CN108683097B CN 108683097 B CN108683097 B CN 108683097B CN 201810576018 A CN201810576018 A CN 201810576018A CN 108683097 B CN108683097 B CN 108683097B
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- pushing
- door plate
- guide wheel
- driving
- pull rope
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- 239000000779 smoke Substances 0.000 title claims abstract description 12
- 230000009977 dual effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a double-power-supply control box of a smoke exhaust fan, which relates to the technical field of power distribution equipment and comprises a box body and a wire frame arranged in the box body, wherein a through hole is formed in one side of the box body, a folding door, a pushing block and a pushing piece are arranged on the through hole, a left door plate comprises a plurality of movable plates with the same shape, the adjacent movable plates are connected through rotation shafts, two ends of the rotation shafts are respectively connected in sliding grooves on two sides in a sliding manner, the movable plates at the tail end of the left door plate are connected with the pushing block in a rotating manner, the space required by the control box when being opened is smaller, the installation quantity and the installation density of the control box allowed in the same area can be increased, meanwhile, the interference on the installation, overhaul and operation of the control box by operators in a narrow space is smaller, and the operation efficiency is higher.
Description
Technical Field
The invention relates to the technical field of power distribution equipment, in particular to a double-power-supply control box of a smoke exhaust fan.
Background
The distribution box is formed by assembling switching equipment, a measuring instrument, protective electric appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement. The circuit can be switched on or off by manual or automatic switch in normal operation, and the circuit can be switched off or alarmed by the protection electric appliance in fault or abnormal operation. The measuring instrument can display various parameters in operation, and can also adjust certain electrical parameters to prompt or signal deviation from a normal working state.
The distribution box comprises parts including a double-power-supply change-over switch, a circuit breaker, an alternating-current contactor, a thermal relay, an intermediate relay, an insurance, a button, an indicator lamp, an indicator instrument, a wiring terminal and the like. The distribution boxes commonly used are made of wood and metal.
The power supply control box is also a kind of power distribution cabinet, is a final-stage device of a power distribution system, and is a low-voltage power distribution device formed by assembling switching equipment, measuring instruments, protection appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to electric wiring requirements, and is used for various power generation, distribution and transformation substations. The power control box is usually installed in a basement, a distribution room, a strong electric well, etc.
At present, chinese patent publication No. CN107910789a discloses a waterproof explosion-proof block terminal, and it includes the shell, the top fixedly connected with slope of shell, the inner chamber of shell is provided with the baffle, run through on the baffle and be provided with spacing pipe, the right side of shell and the bottom that is located the baffle run through and be provided with power supply interface, the right side of shell and the top that is located the baffle are inlayed and are had turbofan, the left side on shell front surface has the device lid through pivot swing joint, the device is covered and is provided with the device lock, the right side fixedly connected with of shell inner chamber and the fixture block that the cooperation of device lock set up, the device lid includes planking and inner panel.
The waterproof and explosion-proof distribution box is improved through the device cover, and the slope, the limiting pipe, the power interface and the screen are matched for use, so that the distribution box has a waterproof and explosion-proof function, the damage to electrical equipment caused by water leakage or external impact of the electric box is avoided, the power control box is normally provided with the vertical hinged door, in a small space area, when the quantity of the distribution boxes is large, the space required by the vertical hinged door is large, the installation density is limited, and meanwhile, the vertical hinged door is easy to interfere an operator during installation and maintenance.
Disclosure of Invention
In order to solve the technical problems, the invention provides a double-power-supply control box of a smoke exhaust fan, which comprises a box body and a wire frame arranged in the box body, wherein one side of the box body is provided with a through hole, and the through hole is provided with
The folding door comprises two sliding grooves which are parallel to each other and are respectively fixed at the top edge and the bottom edge of the through hole, a left door plate and a right door plate which are connected between the two sliding grooves in a sliding way and have the same structure, the left door plate and the right door plate are opened to two sides, and the left door plate and the right door plate are respectively connected to two sides of the through hole in a rotating way;
the pushing blocks are connected in the sliding grooves in a sliding manner and are symmetrically arranged on the middle points of the sliding grooves, and the two pushing blocks are respectively connected to the left door plate and the right door plate and used for pushing the left door plate and the right door plate to open and close;
the pushing piece is arranged in the box body and is respectively connected with the two pushing blocks, and is used for pushing the pushing blocks to slide towards or away from the middle direction of the sliding chute;
the left door plate comprises a plurality of movable plates with the same shape, the adjacent movable plates are connected through rotation of the rotation shaft, two ends of the rotation shaft are respectively connected in sliding grooves on two sides in a sliding manner, and the movable plate at the tail end of the left door plate is connected with the pushing block in a rotation manner.
The technical effects are as follows: when the cabinet door needs to be opened to operate or overhaul the control box, an operator can start the pushing piece, the pushing piece pulls the pushing piece, the pushing piece drives the left door plate and the right door plate to be opened to two sides simultaneously, and the movable plates are connected with each other through the rotating shaft in a rotating mode, so that the left door plate and the right door plate can be folded by pushing the movable plates at the tail ends through the pushing piece.
Compared with the existing control box, the control box is smaller in space required when being opened, the number and the installation density of the allowed control boxes in the same area can be increased, meanwhile, the interference on the installation, maintenance and operation of the control boxes in a narrow space by operators is smaller, and the operation efficiency is higher.
The technical scheme of the invention is as follows:
further, the pushing piece comprises a driving screw rod which is parallel to the horizontal plane and is rotationally connected in the box body, the driving screw rod penetrates through the pushing block and is in threaded connection with the pushing block, and the driving screw rod is driven to rotate through a servo motor arranged in the box body.
The two power supply control boxes of the smoke exhaust fan are characterized in that a first thread section and a second thread section with opposite thread directions are symmetrically arranged on the driving screw rod relative to the center of the driving screw rod, and the two pushing blocks are respectively connected in the first thread section and the second thread section.
The pushing member comprises a left pushing member and a right pushing member for respectively pushing the left door plate and the right door plate, and a driving member for driving the left pushing member and the right pushing member to synchronously move.
The above-mentioned two power control box of a kind of exhaust fan, the left push piece includes the left push rod connected to initiative piece, rotate connect in box and lie in the first left guide pulley and second left guide pulley on the same straight line, and the third left guide pulley lower than the first left guide pulley;
the right pushing piece comprises a left push rod, a first right guide wheel, a second right guide wheel and a third right guide wheel which are correspondingly arranged, and the left pushing piece and the right pushing piece are positioned on parallel surfaces and are arranged in a staggered mode.
The left pushing piece comprises a left pull rope, one end of the left pull rope is connected to the left push rod, and the other end of the left pull rope sequentially bypasses the first left guide wheel, the second left guide wheel and the third left guide wheel and is connected to the corresponding end of the right push rod;
the right pushing piece comprises a right pull rope, one end of the right pull rope is connected to one end, far away from the left pull rope, of the left push rod, and the other end of the right pull rope sequentially bypasses the first right guide wheel, the second right guide wheel and the third right guide wheel and is connected to the corresponding position of the right push rod.
The left pull rope and the right pull rope penetrate through the two pushing blocks respectively and are fixedly connected with the two pushing blocks.
The driving piece comprises a first driving wheel and a second driving wheel which form a vertical line, the first driving wheel and the second driving wheel are linked through a driving pull rope, and a rotating motor for driving the first driving wheel to rotate is further arranged in the box body.
In the above-mentioned dual-power control box for the smoke exhaust fan, a baffle is arranged on one side of the movable plate close to the rotating shaft, and the baffle is attached to the adjacent movable plate when the left door plate and the right door plate are closed.
The beneficial effects of the invention are as follows:
(1) When the cabinet door is required to be opened to operate or overhaul the control box, an operator can start the pushing piece, the pushing piece pulls the pushing piece, the pushing piece drives the left door plate and the right door plate to be opened to two sides at the same time, and as the movable plates are rotationally connected with each other through the rotating shaft, the pushing piece pushes the movable plate at the tail end to realize the folding of the left door plate and the right door plate;
(2) Compared with the existing control box, the control box is smaller in space required when being opened, the number and the installation density of the allowed control boxes in the same area can be increased, meanwhile, the interference on the installation, maintenance and operation of the control boxes in a narrow space by operators is smaller, and the operation efficiency is higher;
(3) According to the invention, the output shaft of the servo motor drives the driving screw rod to rotate, and due to the arrangement of the first thread section and the second thread section on the driving screw rod, the two pushing blocks can slide in different directions under the action of threads in different directions, so that the left door plate and the right door plate are driven to be simultaneously opened or closed, and the linkage effect is achieved;
(4) According to the invention, the rotary motor drives the first driving wheel to rotate, and under the action of the driving pull rope, the left push rod and the right push rod move in the vertical direction simultaneously and in opposite directions; the left pull rope and the right pull rope are respectively connected to one side surface of the two push blocks, which are opposite to each other, through the guiding of the three guide wheels, and when the first driving wheel rotates, the two push blocks can be driven to slide in opposite directions. And because both ends of the left stay cord and the right stay cord are fixed on the two push rods, when the first driving wheel reversely rotates, the two push blocks can be driven to reversely slide.
Drawings
Fig. 1 is a schematic structural view of embodiment 1;
FIG. 2 is a schematic view for showing a folding door in embodiment 1;
FIG. 3 is a schematic view for showing a pusher in example 1;
FIG. 4 is a schematic view for showing a pusher in example 2;
wherein: 1. a case; 12. a through hole; 13. a door; 2. a folding door; 21. a chute; 22. a left door panel; 23. a right door panel; 24. a movable plate; 25. a rotating shaft; 26. a baffle; 3. a pushing block; 4. a pushing member; 41. driving a screw rod; 411. a first thread segment; 412. a second thread segment; 42. a servo motor; 5. a left pushing member; 51. a left push rod; 52. a first left guide wheel; 53. a second left guide wheel; 54. a third left guide wheel; 55. a left pull rope; 6. a right pushing piece; 61. a right push rod; 62. a first right guide wheel; 63. a second right guide wheel; 64. a third right guide wheel; 65. a right pull rope; 7. a driving member; 71. a first drive wheel; 72. a second driving wheel; 73. a rotating electric machine; 74. and (5) actively pulling the rope.
Detailed Description
Example 1
The structure of the dual-power control box of the smoke exhaust fan is shown in fig. 1-3, the dual-power control box comprises a box body 1 which is integrally in a cuboid shape, a through hole 12 is formed in the front of the box body 1, a wire frame is arranged on the rear side wall inside the box body 1, and elements such as a switch in the control box are fixed on the surface of the wire frame. The through hole 12 in front of the box body 1 is internally provided with a folding door 2, and the folding door 2 comprises a chute 21 arranged on the upper surface and the lower surface of the through hole 12, and a left door plate 22 and a right door plate 23 which are connected on the left side and the right side of the chute 21 in a sliding manner.
The left door panel 22 and the right door panel 23 are identical in structure, and the left door panel 22 includes a plurality of movable plates 24 having the same shape, and the length of the movable plates 24 is the same as the height of the through hole 12. The adjacent movable plates 24 are connected through a rotating shaft 25, a push block 3 is fixed on the movable plate 24 positioned in the middle of the sliding groove 21, the push block 3 is slidably connected in the sliding groove 21, and when the push block 3 slides in the sliding groove 21, the movable plate 24 can be driven to rotate around the rotating shaft 25, so that the effect of folding the left door plate 22 is achieved.
A shutter 26 is provided on one side of the movable plate 24 connected with the other movable plate 24, and when the left door panel 22 and the right door panel 23 are closed, the shutter 26 abuts against the adjacent movable plate 24. The sealing effect and the connection firmness of the left door panel 22 and the right door panel 23 can be improved.
The top surface of the box body 1 is also provided with a pushing piece 4, and the pushing piece 4 can push the two sliding blocks to slide towards opposite directions, so that the left door plate 22 and the right door plate 23 are opened and closed. The pushing member 4 comprises a servo motor 42 fixed on the inner surface of the box body 1 and a driving screw 41 rotatably connected to the top surface of the box body 1, wherein a first thread section 411 and a second thread section 412 are arranged on the driving screw 41, and the thread directions of the first thread section 411 and the second thread section 412 are opposite.
The driving screw 41 integrally penetrates through the two pushing blocks 3 and is in threaded connection with the two pushing blocks 3, and the pushing blocks 3 are respectively positioned in the first threaded section 411 and the second threaded section 412. When the servo motor 42 drives the driving screw 41 to rotate, the first screw thread and the second screw thread with opposite directions can drive the two pushing blocks 3 to slide in opposite directions. Because the two ends of the rotating shaft 25 are respectively connected in the sliding grooves 21 at the upper end and the lower end in a sliding way, when the push block 3 slides, the left door plate 22 and the right door plate 23 can be pulled to slide and fold in opposite directions, and the opening and closing process of the folding door 2 is completed.
Example 2
The difference between the two power control boxes of the smoke exhaust fan provided in this embodiment and the embodiment 1 is that the pushing piece 4 includes three parts, namely, a left pushing piece 5 driving the left door plate 22 to slide and fold, a right pushing piece 6 driving the right door plate 23 to slide and fold, and a driving piece 7 driving the left pushing piece 5 and the right pushing piece 6 to move simultaneously, as shown in fig. 4.
The left push member 5 and the right push member 6 form surfaces parallel to each other. The left push member 5 includes a first left guide wheel 52, a second left guide wheel 53 and a third left guide wheel 54 rotatably connected in the case 1 and located in the same plane, and the right push member 6 includes a first right guide wheel 62, a second right guide wheel 63 and a third right guide wheel 64 rotatably connected in the case 1 and located in the same plane.
The first left guide roller 52 and the second left guide roller 53 are positioned on the same straight line, and the third right guide roller 64 is lower than the first left guide roller 52 and is positioned between the first left guide roller 52 and the second left guide roller 53. The first right guide pulley 62, the second right guide pulley 63, and the third right guide pulley 64 are disposed corresponding to the first left guide pulley 52, the second left guide pulley 53, and the third left guide pulley 54, respectively.
The left push member 5 further includes a left push rod 51 and a left pull cord 55, and the right push member 6 further includes a right push rod 61 and a right pull cord 65. The left pull rope 55 is fixed at the rear end of the left push rod 51, extends upward, bypasses the first left guide wheel 52, the second left guide wheel 53 and the third left guide wheel 54, and is fixed at the rear end of the right push rod 61 at the ends thereof.
Correspondingly, one end of a right pull rope 65 is fixed at the front end of the left push rod 51 and extends upwards to bypass the first right guide wheel 62, the second right guide wheel 63 and the third right guide wheel 64 respectively, and the tail ends of the right pull rope 65 are fixed at the front end of the right push rod 61. The left pull cord 55 penetrates the push block 3 at the right door plate 23, and the right pull cord 65 penetrates the push block 3 at the left door plate 22 and is fixedly connected with the push block.
The left push rod 51 and the right push rod 61 are fixed on the driving piece 7, and the driving piece 7 can drive the left push rod 51 and the right push rod 61 to move in opposite directions at the same time. The driving member 7 includes a first driving wheel 71 and a second driving wheel 72 which are on the same vertical line and rotatably connected in the case 1, and a rotating motor 73 fixed in the case 1, and an output shaft of the rotating motor 73 is connected to the first driving wheel 71.
A driving pull rope 74 is wound between the two driving wheels, and the driving pull ropes 74 are connected end to form a circumference. The left push rod 51 is fixed to the left side of the active pulling rope 74, and the right push rod 61 is fixed to the right side of the active pulling rope 74. When the rotating motor 73 drives the first driving wheel 71 to rotate, the driving pull rope 74 can pull the left push rod 51 and the right push rod 61 to move in opposite directions, so that the left pull rope 55 and the right pull rope 65 drive the two push blocks 3 to slide in opposite directions, and the purpose of opening and closing the folding door 2 is achieved.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (4)
1. The utility model provides a dual power control box of exhaust fan, includes box (1), its characterized in that: a through hole (12) is formed in one side of the box body (1), a folding door (2) is arranged on the through hole (12), the folding door comprises two sliding grooves (21) which are parallel to each other and are respectively fixed at the top edge and the bottom edge of the through hole (12), a left door plate (22) and a right door plate (23) which are connected between the two sliding grooves (21) in a sliding way and have the same structure are arranged, the left door plate (22) and the right door plate (23) are opened to two sides, and the left door plate (22) and the right door plate (23) are respectively connected to two sides of the through hole (12) in a rotating way;
the pushing blocks (3) are in sliding connection in the sliding groove (21) and are symmetrically arranged on the middle point of the sliding groove (21), and the two pushing blocks (3) are respectively connected to the left door plate (22) and the right door plate (23) and used for pushing the left door plate (22) and the right door plate (23) to open and close;
the pushing piece (4) is arranged in the box body (1) and is respectively connected with the two pushing blocks (3) and is used for pushing the pushing blocks (3) to slide towards or away from the middle direction of the sliding groove (21);
the left door plate (22) comprises a plurality of movable plates (24) with the same shape, the adjacent movable plates (24) are rotationally connected through a rotating shaft (25), two ends of the rotating shaft (25) are respectively and slidably connected in sliding grooves (21) on two sides, and the movable plates (24) at the tail end of the left door plate (22) are rotationally connected with the pushing blocks (3);
the pushing piece (4) comprises a driving screw rod (41) which is parallel to the horizontal plane and is rotatably connected in the box body (1), the driving screw rod (41) penetrates through the pushing block (3) and is in threaded connection with the pushing block (3), and the driving screw rod (41) is driven to rotate through a servo motor (42) arranged in the box body (1);
a first thread section (411) and a second thread section (412) with opposite thread directions are symmetrically arranged on the center of the driving screw rod (41), and two pushing blocks (3) are respectively connected in the first thread section (411) and the second thread section (412);
the pushing piece (4) comprises a left pushing piece (5) and a right pushing piece (6) which are used for respectively pushing the left door plate (22) and the right door plate (23), and a driving piece (7) which is used for driving the left pushing piece (5) and the right pushing piece (6) to synchronously move;
the left pushing piece (5) comprises a left push rod (51) connected to the driving piece (7), a first left guide wheel (52) and a second left guide wheel (53) which are rotatably connected in the box body (1) and positioned on the same straight line, and a third left guide wheel (54) with the height lower than that of the first left guide wheel (52);
the right pushing piece (6) comprises a left push rod (51), a first right guide wheel (62), a second right guide wheel (63) and a third right guide wheel (64) which are correspondingly arranged, and the left pushing piece (5) and the right pushing piece (6) are positioned on parallel surfaces and are arranged in a staggered manner;
the left pushing piece (5) comprises a left pull rope (55), one end of the left pull rope (55) is connected to the left push rod (51), and the other end of the left pull rope sequentially bypasses the first left guide wheel (52), the second left guide wheel (53) and the third left guide wheel (54) and is connected to the corresponding end of the right push rod (61);
the right pushing piece (6) comprises a right pull rope (65), one end of the right pull rope (65) is connected to one end, far away from the left pull rope (55), of the left push rod (51), and the other end of the right pull rope sequentially bypasses the first right guide wheel (62), the second right guide wheel (63) and the third right guide wheel (64) and is connected to the corresponding position of the right push rod (61).
2. The smoke exhaust ventilator dual-power control box according to claim 1, wherein: the left pull rope (55) and the right pull rope (65) penetrate through the two pushing blocks (3) respectively and are fixedly connected with the two pushing blocks.
3. The smoke exhaust ventilator dual-power control box according to claim 2, wherein: the driving piece (7) comprises a first driving wheel (71) and a second driving wheel (72) which are arranged to form a vertical line, the first driving wheel (71) and the second driving wheel (72) are linked through a driving pull rope (74), and a rotating motor (73) for driving the first driving wheel (71) to rotate is further arranged in the box body (1).
4. The smoke exhaust ventilator dual-power control box according to claim 1, wherein: one side of the movable plate (24) close to the rotating shaft (25) is provided with a baffle plate (26), and the baffle plate (26) is attached to the adjacent movable plate (24) when the left door plate (22) and the right door plate (23) are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576018.4A CN108683097B (en) | 2018-06-06 | 2018-06-06 | Dual-power control box of smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576018.4A CN108683097B (en) | 2018-06-06 | 2018-06-06 | Dual-power control box of smoke exhaust fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108683097A CN108683097A (en) | 2018-10-19 |
| CN108683097B true CN108683097B (en) | 2023-10-03 |
Family
ID=63810196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810576018.4A Active CN108683097B (en) | 2018-06-06 | 2018-06-06 | Dual-power control box of smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683097B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853889A (en) * | 2020-06-30 | 2020-10-30 | 苏亚东 | Self-cleaning type oil smoke processor |
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| JP2005048374A (en) * | 2003-07-30 | 2005-02-24 | Comany Inc | Structure of hinge part of folding door |
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| CN104612550A (en) * | 2014-08-04 | 2015-05-13 | 深圳市门老爷科技有限公司 | Heavy folding type automatic partition door |
| CN104612552A (en) * | 2014-12-26 | 2015-05-13 | 广西平果铝安福门业有限责任公司 | Multiple folding doors capable of automatically locking and opening controlled by a multi-link mechanism |
| CN204531921U (en) * | 2015-01-27 | 2015-08-05 | 金杰 | A kind of automatic folding door |
| CN105672861A (en) * | 2016-03-20 | 2016-06-15 | 佛山市荣高智能科技有限公司 | Novel folding door |
| CN105971465A (en) * | 2016-07-11 | 2016-09-28 | 张冬明 | Electric flat-opening push-pull type multiple door wardrobe |
| CN208369008U (en) * | 2018-06-06 | 2019-01-11 | 荣马电器有限公司 | Smoke exhaust fan dual power supply control cabinet |
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2018
- 2018-06-06 CN CN201810576018.4A patent/CN108683097B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005048374A (en) * | 2003-07-30 | 2005-02-24 | Comany Inc | Structure of hinge part of folding door |
| CN203347618U (en) * | 2013-07-02 | 2013-12-18 | 特威盾门业(苏州)有限公司 | Lifting type folding door or window capable of being opened and closed conveniently |
| CN104612550A (en) * | 2014-08-04 | 2015-05-13 | 深圳市门老爷科技有限公司 | Heavy folding type automatic partition door |
| CN104612552A (en) * | 2014-12-26 | 2015-05-13 | 广西平果铝安福门业有限责任公司 | Multiple folding doors capable of automatically locking and opening controlled by a multi-link mechanism |
| CN204531921U (en) * | 2015-01-27 | 2015-08-05 | 金杰 | A kind of automatic folding door |
| CN105672861A (en) * | 2016-03-20 | 2016-06-15 | 佛山市荣高智能科技有限公司 | Novel folding door |
| CN105971465A (en) * | 2016-07-11 | 2016-09-28 | 张冬明 | Electric flat-opening push-pull type multiple door wardrobe |
| CN208369008U (en) * | 2018-06-06 | 2019-01-11 | 荣马电器有限公司 | Smoke exhaust fan dual power supply control cabinet |
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| Publication number | Publication date |
|---|---|
| CN108683097A (en) | 2018-10-19 |
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