CN211500459U - Rolling slats door with dual brake function - Google Patents
Rolling slats door with dual brake function Download PDFInfo
- Publication number
- CN211500459U CN211500459U CN201920761336.8U CN201920761336U CN211500459U CN 211500459 U CN211500459 U CN 211500459U CN 201920761336 U CN201920761336 U CN 201920761336U CN 211500459 U CN211500459 U CN 211500459U
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- brake
- armature
- door
- shaft
- magnet yoke
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Abstract
The utility model relates to a rolling door with double brake function, which comprises a support plate, a guide rail, a winding drum, a door curtain, a rolling door machine, a transmission mechanism and a limiter; the rolling door machine is provided with a brake device, the brake device comprises a shell, a magnet yoke, a brake electromagnetic coil and a brake shaft, the left end of the brake shaft is provided with a left brake disc, the right end face of the left brake disc is provided with a left brake pad, a left armature is arranged between the left brake pad and the magnet yoke, and the left armature is axially connected with the magnet yoke and the brake shaft in a sliding manner; a right brake disc is arranged at the right end of the brake shaft, a right brake block is arranged on the left end face of the right brake disc, and a right armature is arranged between the right brake block and the magnet yoke; the brake shaft is positioned in the magnet yoke and sleeved with a brake spring, the left end of the brake spring pushes the left armature to enable the left armature to be tightly attached to the left brake pad, and the right end of the brake spring pushes the right armature to enable the right armature to be tightly attached to the right brake pad. The utility model discloses can improve the brake effect of rolling slats door machine brake equipment, improve the security of rolling slats door.
Description
Technical Field
The utility model relates to a rolling slats door technical field especially relates to a rolling slats door with dual brake function.
Background
Electric rolling doors are widely used in storefronts, garages, markets and other places, and generally, a rolling door machine drives a winding drum to rotate through a chain transmission mechanism, and the winding drum drives a door curtain wound on the winding drum to slide up and down along guide rails on two sides of a door opening to open and close the door. After the door curtain is opened and closed in place, the roller shutter door machine needs to stop running and brake, otherwise, the door curtain can fall down due to the weight of the door curtain.
The existing rolling shutter door machine is formed by sequentially connecting a gearbox, a motor, a brake device and a rear shell with a controller inside, wherein the brake device mainly comprises a brake disc, an armature, a brake spring and a brake electromagnetic coil; when the rolling shutter door machine works, the brake electromagnetic coil is electrified to attract the armature, so that the brake disc and the armature are separated to open the brake system, and the rolling shutter door machine is maintained to stop running. After a period of use, because mechanical fatigue and wearing and tearing, brake equipment's braking power can reduce, influences the brake effect, can cause the brake to become invalid even, in case the brake became invalid, the door curtain can fall downwards fast, not only can damage the door curtain, still has very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a rolling slats door with double-brake function, can effectively improve brake effect, prevents to lead to the incident that the door curtain falls because of rolling slats door machine brake power is not enough, improves the security of rolling slats door.
The utility model discloses a realize through following technical scheme: a rolling door with double braking functions comprises a support plate, a guide rail, a winding drum, a door curtain, a rolling door machine, a transmission mechanism and a limiter; the rolling shutter door machine comprises a gear box, a motor, a brake device and a rear shell, wherein the gear box, the motor, the brake device and the rear shell are sequentially connected, the controller is arranged in the rear shell, the motor is electrically connected with and controlled by the controller, and the output end of the gear box is connected with the winding drum through a transmission mechanism; the brake device comprises a shell, a magnet yoke fixedly connected with the inner wall of the shell is arranged in the middle of the shell, a brake electromagnetic coil electrically connected with the controller is arranged in the magnet yoke, and a brake shaft which penetrates through the center of the magnet yoke and is rotatably connected with the magnet yoke is arranged in the middle of the shell in the axial direction;
the brake shaft is connected with a motor shaft, the left end of the brake shaft is provided with a left brake disc fixedly connected with the brake shaft, the right end face of the left brake disc is provided with a left brake pad, a left armature is arranged between the left brake pad and a magnetic yoke, and the left armature is axially connected with the magnetic yoke and the brake shaft in a sliding manner and cannot rotate; the right end of the brake shaft is provided with a right brake disc fixedly connected with the brake shaft, the left end face of the right brake disc is provided with a right brake pad, a right armature is arranged between the right brake pad and the magnet yoke, and the right armature is axially connected with the magnet yoke and the brake shaft in a sliding manner and cannot rotate; the brake shaft is positioned in the magnet yoke and sleeved with a brake spring, the left end of the brake spring pushes the left armature to enable the left armature to be tightly attached to the left brake pad, and the right end of the brake spring pushes the right armature to enable the right armature to be tightly attached to the right brake pad.
Preferably, the support plates are respectively arranged on two sides above the door opening, the guide rails are respectively arranged on two sides of the door opening, two ends of the winding drum are rotatably connected with the support plates, and the door curtain is wound on the winding drum and can slide up and down along the guide rails; the roller shutter door machine is arranged on the support plate at one end of the winding drum.
Preferably, the limiter is arranged on one side of the roller shutter door machine, is in transmission connection with the gearbox and is electrically connected with the controller, and is used for controlling the automatic stop position of the door opening and closing of the door curtain.
Preferably, the contact surface of the left armature and the left brake pad is a plane, and the contact surface of the right armature and the right brake pad is a plane. The plane contact can increase the contact area and the braking effect.
Preferably, the transmission mechanism is a chain transmission mechanism. The chain transmission mechanism is a common transmission mechanism, has a simple structure and can change speed.
The utility model has the advantages that: the brake device of the roller shutter door machine adopts a double-brake disc, a double-brake sheet and a double-armature structure, so that the brake effect of the brake device can be effectively improved, and the safety accident that the door curtain falls due to insufficient brake force of the roller shutter door machine is prevented, thereby improving the safety of the roller shutter door.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the rolling shutter door machine of the present invention.
Fig. 3 is the schematic structural diagram of the brake device of the rolling shutter door machine of the present invention.
Fig. 4 is a schematic diagram of the circuit connection of the present invention.
In the figure: the brake device comprises a support plate 1, a guide rail 2, a winding drum 3, a door curtain 4, a roller shutter door machine 5, a chain transmission mechanism 6, a limiter 7, a gearbox 8, a motor 9, a brake device 10, a controller 11, a rear shell 12, a shell 13, a magnet yoke 14, a brake electromagnetic coil 15, a brake shaft 16, a left brake disc 17, a left brake pad 18, a left armature 19, a right brake disc 20, a right brake pad 21, a right armature 22 and a brake spring 23.
Detailed Description
As shown in fig. 1-4, an embodiment of the present invention is a rolling door with dual brake function, which includes a support plate 1, a guide rail 2, a winding drum 3, a door curtain 4, a rolling door machine 5, a chain transmission mechanism 6 and a stopper 7; the support plates 1 are respectively arranged on two sides above the door opening, the guide rails 2 are respectively arranged on two sides of the door opening, two ends of the winding drum 3 are rotatably connected with the support plates 1, and the door curtain 4 is wound on the winding drum 3 and can slide up and down along the guide rails 2; the rolling shutter door machine 5 is arranged on the support plate 1 at one end of the winding drum 3, the rolling shutter door machine 5 comprises a gear box 8, a motor 9, a brake device 10 and a rear shell 12, the gear box, the motor 9, the brake device and the rear shell are sequentially connected, the rear shell is internally provided with a controller 11, the motor 9 and the controller 11 are electrically connected and controlled by the controller 11, and the output end of the gear box 8 is connected with the winding drum 3 through a chain transmission mechanism 6; the limiting stopper 7 is arranged on one side of the roller shutter door machine 5, the limiting stopper 7 is in transmission connection with the gearbox 8 and is electrically connected with the controller 11, and the limiting stopper 7 is used for controlling the automatic stop position of the door curtain 4 for opening and closing;
the brake apparatus 10 includes a housing 13; a magnetic yoke 14 fixedly connected with the inner wall of the shell 13 is arranged in the middle of the shell 13, a brake electromagnetic coil 15 electrically connected with the controller 11 is arranged in the magnetic yoke 14, a brake shaft 16 penetrating through the center of the magnetic yoke 14 and rotatably connected with the magnetic yoke 14 is arranged in the axial middle of the shell 13, the brake shaft 16 is connected with a rotating shaft of the motor 9, a left brake disc 17 fixedly connected with the left end of the brake shaft 16 is arranged at the left end of the brake shaft 16, a left brake pad 18 is arranged on the right end face of the left brake disc 17, a left armature 19 is arranged between the left brake pad 18 and the magnetic yoke 14, and the left armature 19 is axially and slidably connected; the right end of the brake shaft 16 is provided with a right brake disc 20 fixedly connected with the brake shaft, the left end face of the right brake disc 20 is provided with a right brake block 21, a right armature 22 is arranged between the right brake block 21 and the magnetic yoke 14, and the right armature 22 is axially connected with the magnetic yoke 14 and the brake shaft 16 in a sliding manner and cannot rotate; the brake shaft 16 is positioned in the magnet yoke 14 and sleeved with a brake spring 23, the left end of the brake spring 23 pushes the left armature 19 to enable the left armature 19 to be tightly attached to the left brake pad 18, and the right end of the brake spring 23 pushes the right armature 22 to enable the right armature 22 to be tightly attached to the right brake pad 21.
In this embodiment, the contact surface of the left armature 19 and the left brake pad 18 is a plane, and the contact surface of the right armature 22 and the right brake pad 21 is a plane. The plane contact can increase the contact area and the braking effect.
The working principle is as follows: when the roller shutter door is opened and closed, the controller 11 is connected with a circuit of a brake electromagnetic coil 15, the brake electromagnetic coil 15 is electrified to attract a left armature 19 and a right armature 22 to overcome the elasticity of a brake spring 23 and separate from a left brake pad 18 and a right brake pad 21, so that a left brake disc 17 and a right brake disc 20 can freely rotate, then the controller 11 is connected with a circuit of a motor 9, the motor 9 drives a roller drum 3 to rotate through a gearbox 8 and a chain transmission mechanism 6, and the roller drum 3 drives a door curtain 4 wound on the roller drum 3 to slide up and down along a guide rail 2 to open and close the door; meanwhile, the motor 9 drives the brake shaft 16 to rotate, so that the left brake disc 17 and the right brake disc 20 rotate at a high speed. When the rolling door is opened and closed in place, the limiting stopper 7 sends an electric signal to the controller 11, the controller 11 cuts off the circuits of the motor 9 and the brake electromagnetic coil 15, the brake electromagnetic coil 15 is powered off, the left armature 19 and the right armature 22 press the left brake pad 18 and the right brake pad 21 under the pushing of the brake spring 23, the left brake disc 17 and the right brake disc 20 which rotate at high speed stop rotating, and therefore the rolling door machine 5 stops rotating, and the door curtain 4 stops at a preset position.
The utility model discloses a brake equipment 10 of roll up curtain door machine 5 adopts double brake dish, double brake piece and two armature structures, can improve the brake effect of roll up curtain door machine 5 brake equipment 10 effectively, prevents because of the not enough incident that leads to door curtain 4 to fall of 5 brake forces of roll up curtain door machine to the security of rolling up the door has been improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention.
Claims (5)
1. A rolling door with double braking functions comprises a support plate, a guide rail, a winding drum, a door curtain, a rolling door machine, a transmission mechanism and a limiter; the rolling shutter door machine comprises a gear box, a motor, a brake device and a rear shell, wherein the gear box, the motor, the brake device and the rear shell are sequentially connected, the controller is arranged in the rear shell, the motor is electrically connected with and controlled by the controller, and the output end of the gear box is connected with the winding drum through a transmission mechanism; the brake device comprises a shell, a magnet yoke fixedly connected with the inner wall of the shell is arranged in the middle of the shell, a brake electromagnetic coil electrically connected with the controller is arranged in the magnet yoke, and a brake shaft which penetrates through the center of the magnet yoke and is rotatably connected with the magnet yoke is arranged in the middle of the shell in the axial direction; the method is characterized in that:
the brake shaft is connected with a motor shaft, the left end of the brake shaft is provided with a left brake disc fixedly connected with the brake shaft, the right end face of the left brake disc is provided with a left brake pad, a left armature is arranged between the left brake pad and a magnetic yoke, and the left armature is axially connected with the magnetic yoke and the brake shaft in a sliding manner and cannot rotate; the right end of the brake shaft is provided with a right brake disc fixedly connected with the brake shaft, the left end face of the right brake disc is provided with a right brake pad, a right armature is arranged between the right brake pad and the magnet yoke, and the right armature is axially connected with the magnet yoke and the brake shaft in a sliding manner and cannot rotate; the brake shaft is positioned in the magnet yoke and sleeved with a brake spring, the left end of the brake spring pushes the left armature to enable the left armature to be tightly attached to the left brake pad, and the right end of the brake spring pushes the right armature to enable the right armature to be tightly attached to the right brake pad.
2. The roll door with double brake function according to claim 1, characterized in that: the support plates are respectively arranged on two sides above the door opening, the guide rails are respectively arranged on two sides of the door opening, two ends of the winding drum are rotatably connected with the support plates, and the door curtain is wound on the winding drum and can slide up and down along the guide rails; the roller shutter door machine is arranged on the support plate at one end of the winding drum.
3. The roll door with double brake function according to claim 1, characterized in that: the limiting stopper is arranged on one side of the roller shutter door machine, is in transmission connection with the gearbox and is electrically connected with the controller, and the limiting stopper is used for controlling the automatic stop position of the door opening and closing of the door curtain.
4. The roll door with double brake function according to claim 1, characterized in that: the contact surface of the left armature and the left brake pad is a plane, and the contact surface of the right armature and the right brake pad is a plane.
5. The roll door with double brake function according to claim 1, characterized in that: the transmission mechanism is a chain transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761336.8U CN211500459U (en) | 2019-05-24 | 2019-05-24 | Rolling slats door with dual brake function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761336.8U CN211500459U (en) | 2019-05-24 | 2019-05-24 | Rolling slats door with dual brake function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211500459U true CN211500459U (en) | 2020-09-15 |
Family
ID=72393688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920761336.8U Expired - Fee Related CN211500459U (en) | 2019-05-24 | 2019-05-24 | Rolling slats door with dual brake function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211500459U (en) |
-
2019
- 2019-05-24 CN CN201920761336.8U patent/CN211500459U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |