CN112727342B - Emergency driving device for motor of electric roller shutter door - Google Patents
Emergency driving device for motor of electric roller shutter door Download PDFInfo
- Publication number
- CN112727342B CN112727342B CN202110056596.7A CN202110056596A CN112727342B CN 112727342 B CN112727342 B CN 112727342B CN 202110056596 A CN202110056596 A CN 202110056596A CN 112727342 B CN112727342 B CN 112727342B
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- Prior art keywords
- gear
- shell
- roller shutter
- shutter door
- electric roller
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 2
- 241001417494 Sciaenidae Species 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B9/74—Operating devices or mechanisms, e.g. with electric drive adapted for selective electrical or manual operation
Abstract
The invention discloses an emergency driving device of an electric roller shutter door motor, which comprises a hand wheel, a connecting rod, a first gear and a second gear, wherein a rubber sleeve is arranged on the outer wall of the hand wheel; the beneficial effects are that: through setting up transfer line and tooth post, turn into gear rotation with original transmission mode, not only improve the transmission efficiency of device, labour saving and time saving improves device practicality moreover, through setting up hand wheel, connecting rod, gear one and gear two, hand wheel and connecting rod combine together, can make the operating position of device be in suitable height, and then the staff operating means of being convenient for to gear one combines with gear two, changes the rotation on the vertical direction into the rotation on the horizontal direction, and operation process is simple, improves the device functionality.
Description
Technical Field
The invention relates to the technical field of motor emergency driving devices, in particular to an electric roller shutter door motor emergency driving device.
Background
The electric rolling door is characterized in that door sheets which are articulated are connected in series, the rolling door is driven by a motor unit, and the rolling door is arranged in a fixed slideway and rotates up and down by taking a scroll above the door as a center. The method is suitable for public places or houses such as business gatekeepers, garages, markets, hospitals, factories and mining enterprises and the like. Especially, the door opening is bigger, and the place inconvenient to install the ground door body plays a convenient and quick opening role. Such as garage doors, store fire-resistant roll-up door hangar doors.
However, the current emergent drive arrangement of electronic rolling slats door motor is in the use and moves the motor rotation through the mode of zip fastener, this mode is not only transmission efficiency low, and is more laborious moreover, reduce the device practicality, secondly, current emergent drive arrangement of electronic rolling slats door motor is because the device sets up on a take the altitude in the use, and then need just can make the device work with the help of external connecting rod when operating means, the operation process is loaded down with trivial details, reduce the device functionality, in addition, current emergent drive arrangement of electronic rolling slats door motor is inconvenient to fix a position installation to shell one and shell two in the installation, and then lead to the transfer line can not quick horizontal installation, not only influence the transmission performance of transfer line, moreover, reduce the installation effectiveness of device, therefore urgent need an emergent drive arrangement of electronic rolling slats door motor solves current problem.
Disclosure of Invention
The invention aims to solve the problems and provide an emergency driving device for an electric roller shutter door motor.
The invention realizes the above purpose through the following technical scheme:
the utility model provides an emergent drive arrangement of electronic rolling slats door motor, includes hand wheel, connecting rod, first and gear II, be provided with the gum cover on the hand wheel outer wall, be provided with on the hand wheel the connecting rod, the connecting rod upper end is provided with first gear, first one side of gear is provided with second gear, second one side of gear is provided with the connecting axle, connecting axle one end is provided with the connection pad, be provided with the transfer line on the connecting rod lateral wall, transfer line one end is provided with shell one, be provided with logical chamber one in the shell one, be provided with the round pin axle in logical chamber one, round pin axle one end is provided with the tooth post, tooth post one side is provided with fluted disc one, be provided with sawtooth one on fluted disc one side, tooth barrel both sides all are provided with sawtooth two, logical chamber one end inside is provided with the jump ring, be provided with magnet one on the shell one side wall, be provided with magnet two on the shell two lateral walls, be provided with logical chamber two in the shell one, be provided with logical chamber two, be provided with logical chamber one in the shell, be provided with the sleeve one, be provided with the connection sleeve one side, three sleeve one is provided with one and connect one end, three sleeve one is provided with.
Furthermore, the rubber sleeve is adhered to the hand wheel, and the connecting rod is connected with the hand wheel through a screw.
Through adopting above-mentioned technical scheme, the hand wheel with the connecting rod combines together, can make the operating position of device be in suitable height, and then the staff operation device of being convenient for, simultaneously the gum cover can protect the staff.
Further, the first gear is connected with the connecting rod through a screw, the first gear is meshed with the second gear, and the connecting shaft is connected with the second gear through a screw.
Through adopting above-mentioned technical scheme, in the hand wheel rotation in-process, gear one with gear two-phase combines, changes the rotation on the vertical direction into the rotation on the horizontal direction.
Further, the connecting shaft is connected with the connecting disc through a screw, and the transmission rod is connected with the connecting disc through a screw.
By adopting the technical scheme, the second gear drives the transmission rod to rotate through the connecting shaft and the connecting disc.
Further, the through cavity is formed on the first shell, the pin shaft is rotationally connected with the through cavity, the tooth column is inserted with the pin shaft, and the transmission rod is inserted with the pin shaft and the tooth column.
By adopting the technical scheme, in the rotation process of the transmission rod, the pin shaft also rotates along with the rotation, so that the pin shaft drives the tooth column to rotate.
Further, the tooth post is meshed with the first fluted disc, the first sawtooth is formed on the first fluted disc, the second sawtooth is formed on the tooth cylinder, and the first sawtooth is meshed with the second sawtooth.
By adopting the technical scheme, the tooth column drives the fluted disc I to rotate, and the fluted disc I drives the tooth cylinder to rotate through the sawtooth I and the sawtooth II.
Further, the clamp spring is connected with the first through cavity through a screw, the first magnet is connected with the first shell through a clamping groove, and the second magnet is connected with the second shell through a clamping groove.
Through adopting above-mentioned technical scheme, the jump ring can be right the transfer line is spacing fixed, magnet one with magnet two-phase combination can be right shell one with shell two carries out quick location installation, and then makes the transfer line keeps the horizontality, guarantees the transmission performance of transfer line provides device installation effectiveness.
Further, the through cavity is formed on the second shell, and the second fluted disc is meshed with the tooth cylinder.
By adopting the technical scheme, the through cavity II is combined with the through cavity I, so that the inner parts of the shell I and the shell II are in a communication state, and the tooth cylinder drives the fluted disc II to rotate.
Further, the fluted disc II is connected with the connecting sleeve I through a screw, and the connecting sleeve I is spliced with the connecting sleeve II.
By adopting the technical scheme, the fluted disc II drives the connecting sleeve I to rotate, and the connecting sleeve I drives the gear III to rotate through the connecting sleeve II.
Further, the third gear is connected with the second connecting sleeve through a screw.
Through adopting above-mentioned technical scheme, gear three links to each other with the motor, and then can make gear three drives the motor and rotates, can be under the emergent condition through manual drive rolling slats door rolling.
The specific working principle is as follows: firstly, the shell II is arranged on a motor, the gear III is positioned near a rotor of the motor, then the shell I is arranged on one side of the shell II, when the shell I is arranged, the magnet I is combined with the magnet II, the shell I and the shell II can be rapidly positioned and arranged, then the transmission rod is inserted into the through cavity I, the clamping spring automatically limits and fixes the transmission rod, so that the transmission rod is kept in a horizontal state, the transmission performance of the transmission rod is ensured, the installation efficiency of the device is improved, after the installation is finished, the gear III is not contacted with the rotor of the motor, the normal use performance of the motor is ensured, when the power is off, the operation position of the device is at a proper height due to the combination of the hand wheel and the connecting rod, and the operation of the device is convenient for staff, meanwhile, the rubber sleeve can protect hands, in the rotation process of the hand wheel, the first gear is combined with the second gear, the rotation in the vertical direction is changed into the rotation in the horizontal direction, at the moment, the second gear drives the transmission rod to rotate through the connecting shaft and the connecting disc, in the rotation process of the transmission rod, the pin shaft also follows the rotation, so that the pin shaft drives the tooth column to rotate, in the rotation process of the tooth column, the tooth column drives the second gear to rotate through the first gear disc, the second gear disc drives the first connecting sleeve to rotate, the first connecting sleeve drives the third gear through the second connecting sleeve, in the transmission process of the device, the transmission rod ejects the third gear through the tooth column, and further the third gear is meshed with a motor rotor of a motor force, finally, the gear III drives a motor rotor in the motor to rotate, so that rolling of the rolling shutter door is manually driven when power is off.
The invention has the beneficial effects that:
1. by arranging the transmission rod and the tooth column, the original transmission mode is changed into gear rotation, so that the transmission efficiency of the device is improved, time and labor are saved, and the practicability of the device is improved;
2. the hand wheel is combined with the connecting rod, so that the operating position of the device is at a proper height, the device is convenient for a worker to operate, the first gear is combined with the second gear, the rotation in the vertical direction is changed into the rotation in the horizontal direction, the operation process is simple, and the functionality of the device is improved;
3. through setting up magnet one and magnet two, magnet one combines with magnet two, can carry out quick location installation to shell one and shell two, and then makes the transfer line keep the horizontality, guarantees the transmission performance of transfer line, provides device installation effectiveness.
Drawings
FIG. 1 is a front view of an electric roller shutter door motor emergency drive according to the present invention;
FIG. 2 is an exploded view of a first housing of an emergency drive for an electric roller shutter motor in accordance with the present invention;
FIG. 3 is an exploded view of a second housing of the motor emergency drive for an electric tambour door according to the present invention;
fig. 4 is a front view of a hand wheel in an emergency driving device for an electric roller shutter motor according to the present invention.
The reference numerals are explained as follows:
1. a hand wheel; 2. a connecting rod; 3. a first gear; 4. a second gear; 5. a connecting shaft; 6. a transmission rod; 7. a first shell; 8. a first magnet; 9. a second magnet; 10. a second shell; 11. a connecting disc; 12. a pin shaft; 13. tooth columns; 14. a fluted disc I; 15. saw tooth I; 16. saw teeth II; 17. a tooth cylinder; 18. a first through cavity; 19. clamping springs; 20. a second through cavity; 21. a fluted disc II; 22. a first connecting sleeve; 23. a second connecting sleeve; 24. a third gear; 25. and (5) a rubber sleeve.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, an emergency driving device for an electric roller shutter door motor comprises a hand wheel 1, a connecting rod 2, a first gear 3 and a second gear 4, wherein a rubber sleeve 25 is arranged on the outer wall of the hand wheel 1, the connecting rod 2 is arranged on the hand wheel 1, the upper end of the connecting rod 2 is provided with the first gear 3, one side of the first gear 3 is provided with the second gear 4, one side of the second gear 4 is provided with a connecting shaft 5, one end of the connecting shaft 5 is provided with a connecting disc 11, a transmission rod 6 is arranged on one side wall of the connecting rod 2, one end of the transmission rod 6 is provided with a first shell 7, a first through cavity 18 is arranged in the first shell 7, one end of the first pin 12 is provided with a toothed column 13, one side of the toothed column 13 is provided with a first toothed disc 14, one side of the toothed disc 14 is provided with a toothed drum 17, two sides of the toothed drum 17 are respectively provided with a second 16, one end of the first through cavity 18 is internally provided with a first magnet 19, one side of the first shell 7 is provided with a second shell 22, one end of the second shell 22 is connected with a second shell 22, one end of the second shell is provided with a second shell 20, one end of the second shell is connected with a second shell 20, and one end of the second shell is provided with a second shell 20 is connected with a second shell 20.
In this embodiment, the gum cover 25 with hand wheel 1 bonds, connecting rod 2 with hand wheel 1 passes through screw connection, hand wheel 1 with connecting rod 2 combines together, can make the operating position of device be in suitable height, and then the staff of being convenient for operates the device, simultaneously the gum cover 25 can protect the people's hand.
In this embodiment, the first gear 3 is connected with the connecting rod 2 through a screw, the first gear 3 is meshed with the second gear 4, the connecting shaft 5 is connected with the second gear 4 through a screw, and in the rotation process of the hand wheel 1, the first gear 3 is combined with the second gear 4 to change the rotation in the vertical direction into the rotation in the horizontal direction.
In this embodiment, the connection shaft 5 is connected with the connection disc 11 through a screw, the transmission rod 6 is connected with the connection disc 11 through a screw, and the second gear 4 drives the transmission rod 6 to rotate through the connection shaft 5 and the connection disc 11.
In this embodiment, the first through cavity 18 is formed on the first housing 7, the pin shaft 12 is rotationally connected with the first through cavity 18, the tooth post 13 is inserted into the pin shaft 12, the transmission rod 6 is inserted into the pin shaft 12 and the tooth post 13, and in the rotation process of the transmission rod 6, the pin shaft 12 also follows rotation, so that the pin shaft 12 drives the tooth post 13 to rotate.
In this embodiment, the tooth post 13 is engaged with the first toothed disc 14, the first toothed disc 15 is formed on the first toothed disc 14, the second toothed disc 16 is formed on the tooth cylinder 17, the first toothed disc 15 is engaged with the second toothed disc 16, the tooth post 13 drives the first toothed disc 14 to rotate, and the first toothed disc 14 drives the tooth cylinder 17 to rotate through the first toothed disc 15 and the second toothed disc 16.
In this embodiment, the jump ring 19 with lead to chamber one 18 and pass through the screw connection, magnet one 8 with shell one 7 passes through the draw-in groove to be connected, magnet two 9 with shell two 10 pass through the draw-in groove to be connected, jump ring 19 can be right spacing fixed is carried out to transfer line 6, magnet one 8 with magnet two 9 combine together, can be right shell one 7 and shell two 10 carry out quick location installation, and then make transfer line 6 keeps the horizontality, guarantees transfer performance of transfer line 6 provides device installation effectiveness.
In this embodiment, the second through cavity 20 is formed on the second housing 10, the second toothed disc 21 is meshed with the toothed drum 17, and the second through cavity 20 is combined with the first through cavity 18, so that the first housing 7 and the second housing 10 are in a communication state, and the toothed drum 17 drives the second toothed disc 21 to rotate.
In this embodiment, the second fluted disc 21 is connected with the first connecting sleeve 22 through a screw, the first connecting sleeve 22 is inserted into the second connecting sleeve 23, the second fluted disc 21 drives the first connecting sleeve 22 to rotate, and the first connecting sleeve 22 drives the third gear 24 to rotate through the second connecting sleeve 23.
In this embodiment, the third gear 24 is connected with the second connecting sleeve 23 through a screw, and the third gear 24 is connected with the motor, so that the third gear 24 drives the motor to rotate, and the rolling door can be manually driven to wind under an emergency condition.
The specific working principle is as follows: firstly, the second shell 10 is arranged on a motor, the third gear 24 is positioned near a rotor of the motor, then the first shell 7 is arranged on one side of the second shell 10, when the first shell 7 is arranged, the first magnet 8 is combined with the second magnet 9, the first shell 7 and the second shell 10 can be rapidly positioned and arranged, then the transmission rod 6 is inserted into the first through cavity 18, the clamping spring 19 automatically limits and fixes the transmission rod, so that the transmission rod 6 is kept in a horizontal state, the transmission performance of the transmission rod 6 is ensured, the installation efficiency of the device is provided, after the installation, the third gear 24 is not contacted with the rotor of the motor, the normal service performance of the motor is ensured, and when the power is cut off, the operation position of the device is at a proper height due to the combination of the hand wheel 1 and the connecting rod 2, the device is convenient for the staff to operate, meanwhile, the rubber sleeve 25 can protect the staff, in the rotation process of the hand wheel 1, the gear I3 is combined with the gear II 4 to change the rotation in the vertical direction into the rotation in the horizontal direction, at the moment, the gear II 4 drives the transmission rod 6 to rotate through the connecting shaft 5 and the connecting disc 11, in the rotation process of the transmission rod 6, the pin shaft 12 also follows the rotation, so that the pin shaft 12 drives the tooth post 13 to rotate, in the rotation process of the tooth post 13, the tooth post 13 drives the tooth plate II 21 to rotate through the tooth plate I14, the tooth plate II 21 drives the connecting sleeve I22 to rotate, the connecting sleeve I22 drives the gear III 24 to rotate through the connecting sleeve II 23, and in the transmission process of the device, the transmission rod 6 can push out the gear III 24 through the tooth column 13, so that the gear III 24 is meshed with a motor rotor of the motor force, and finally the gear III 24 drives the motor rotor in the motor to rotate, so that rolling of the rolling shutter door is manually driven when power is off.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (10)
1. An emergency driving device for an electric roller shutter door motor is characterized in that: including hand wheel (1), connecting rod (2), gear one (3) and gear two (4), be provided with gum cover (25) on hand wheel (1) outer wall, be provided with on hand wheel (1) connecting rod (2), connecting rod (2) upper end is provided with gear one (3), gear one (3) one side is provided with gear two (4), gear two (4) one side is provided with connecting axle (5), connecting axle (5) one end is provided with connecting disc (11), be provided with transfer line (6) on connecting rod (2) a lateral wall, transfer line (6) one end is provided with shell one (7), be provided with logical chamber one (18) in shell one (7), be provided with round pin axle (12) in logical chamber one (18), round pin axle (12) one end is provided with tooth post (13), tooth post (13) one side is provided with one (14), be provided with one (15) on one (14) side, one (14) side is provided with tooth section of thick bamboo (17), tooth section of thick bamboo (17) one side is provided with tooth disc one (16), be provided with a sawtooth (8) on the lateral wall one side, be provided with a sawtooth (8) on the magnet (8) both sides respectively, the novel magnetic iron shell is characterized in that a second shell (10) is arranged on one side of the first shell (7), a second magnet (9) is arranged on one side wall of the second shell (10), a second through cavity (20) is arranged in the second shell (10), a first connecting sleeve (22) is arranged in the second through cavity (20), a fluted disc (21) is arranged at one end of the first connecting sleeve (22), a second connecting sleeve (23) is arranged on one side of the first connecting sleeve (22), and a third gear (24) is arranged at one end of the second connecting sleeve (23).
2. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the rubber sleeve (25) is adhered to the hand wheel (1), and the connecting rod (2) is connected with the hand wheel (1) through screws.
3. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the first gear (3) is connected with the connecting rod (2) through a screw, the first gear (3) is meshed with the second gear (4), and the connecting shaft (5) is connected with the second gear (4) through a screw.
4. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the connecting shaft (5) is connected with the connecting disc (11) through a screw, and the transmission rod (6) is connected with the connecting disc (11) through a screw.
5. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the first through cavity (18) is formed on the first shell (7), the pin shaft (12) is rotationally connected with the first through cavity (18), the tooth column (13) is inserted into the pin shaft (12), and the transmission rod (6) is inserted into the pin shaft (12) and the tooth column (13).
6. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the tooth post (13) is meshed with the first fluted disc (14), the first sawtooth (15) is formed on the first fluted disc (14), the second sawtooth (16) is formed on the tooth cylinder (17), and the first sawtooth (15) is meshed with the second sawtooth (16).
7. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the clamping spring (19) is connected with the first through cavity (18) through a screw, the first magnet (8) is connected with the first shell (7) through a clamping groove, and the second magnet (9) is connected with the second shell (10) through a clamping groove.
8. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the second through cavity (20) is formed on the second shell (10), and the second fluted disc (21) is meshed with the tooth cylinder (17).
9. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the fluted disc II (21) is connected with the connecting sleeve I (22) through a screw, and the connecting sleeve I (22) is spliced with the connecting sleeve II (23).
10. An electric roller shutter door motor emergency driving apparatus according to claim 1, wherein: the third gear (24) is connected with the second connecting sleeve (23) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056596.7A CN112727342B (en) | 2021-01-15 | 2021-01-15 | Emergency driving device for motor of electric roller shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056596.7A CN112727342B (en) | 2021-01-15 | 2021-01-15 | Emergency driving device for motor of electric roller shutter door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112727342A CN112727342A (en) | 2021-04-30 |
| CN112727342B true CN112727342B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110056596.7A Active CN112727342B (en) | 2021-01-15 | 2021-01-15 | Emergency driving device for motor of electric roller shutter door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112727342B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426537A1 (en) * | 1989-10-31 | 1991-05-08 | Nergeco S.A. | Door with a rollable screen |
| EP1887160A1 (en) * | 2006-08-04 | 2008-02-13 | Carlo Maurizio Pozzi | Combination drive for a sun protection device, in particular an awning |
| CN209780729U (en) * | 2018-09-30 | 2019-12-13 | 浙江湖州森富机电有限责任公司 | Tubular motor for roller shutter door |
| CN209874948U (en) * | 2018-11-15 | 2019-12-31 | 江苏警星消防设备有限公司 | Self-driven inorganic cloth fireproof rolling shutter door |
| CN111910495A (en) * | 2020-09-03 | 2020-11-10 | 中建八局第三建设有限公司 | Rapid positioning tool for small-block material seam-remaining paving surface layer and installation and use method |
-
2021
- 2021-01-15 CN CN202110056596.7A patent/CN112727342B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426537A1 (en) * | 1989-10-31 | 1991-05-08 | Nergeco S.A. | Door with a rollable screen |
| EP1887160A1 (en) * | 2006-08-04 | 2008-02-13 | Carlo Maurizio Pozzi | Combination drive for a sun protection device, in particular an awning |
| CN209780729U (en) * | 2018-09-30 | 2019-12-13 | 浙江湖州森富机电有限责任公司 | Tubular motor for roller shutter door |
| CN209874948U (en) * | 2018-11-15 | 2019-12-31 | 江苏警星消防设备有限公司 | Self-driven inorganic cloth fireproof rolling shutter door |
| CN111910495A (en) * | 2020-09-03 | 2020-11-10 | 中建八局第三建设有限公司 | Rapid positioning tool for small-block material seam-remaining paving surface layer and installation and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112727342A (en) | 2021-04-30 |
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