CN108119052B - Rolling shutter door - Google Patents
Rolling shutter door Download PDFInfo
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- CN108119052B CN108119052B CN201711341105.3A CN201711341105A CN108119052B CN 108119052 B CN108119052 B CN 108119052B CN 201711341105 A CN201711341105 A CN 201711341105A CN 108119052 B CN108119052 B CN 108119052B
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- wheel
- driving mechanism
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- output shaft
- clutch
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- 238000005096 rolling process Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 145
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000009467 reduction Effects 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 6
- 239000011324 bead Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
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- 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
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
-
- 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
- E06B9/62—Counterweighting arrangements
-
- 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
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
-
- 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
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B2009/801—Locking arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a rolling door, which solves the problems of low use flexibility and low power output utilization rate of a driving device of the existing rolling door and comprises a frame, a scroll, a door curtain, the driving device and a balancing device; the driving device comprises an output shaft, an electric driving mechanism, a manual driving mechanism, a first clutch mechanism, a second clutch mechanism and a door curtain upper and lower limiting mechanism; the output shaft is connected with the scroll; the electric driving mechanism is connected with the output shaft; the manual driving mechanism is connected with the electric driving mechanism; the clutch mechanism II is arranged between the electric driving mechanism and the manual driving mechanism; the clutch mechanism I is arranged between the electric driving mechanism and the output shaft; the upper and lower limiting mechanisms of the door curtain are connected with the output shaft; the balancing device comprises an elastic torsion mechanism and an elastic stretching mechanism; the elastic torsion mechanism is arranged in the scroll; one end of the elastic stretching mechanism is connected with the scroll, and the other end of the elastic stretching mechanism is connected with the frame or the ground; the invention improves the flexibility of use and reduces the power output of the driving device.
Description
Technical Field
The present invention relates to a rolling door.
Background
Factories, workshops, warehouses are typically fitted with rolling doors. Industrial roller shutter doors are not only robust and reliable, but also have good durability and are very widely used in the field of industrial construction. At present, the structure of the rolling door is single, and the rolling door generally comprises manual driving, electric driving or manual and electric switching driving, and obviously, along with the development of society, the single manual driving and electric driving can not meet the use requirements of people; the manual and electric switching drive has the defects that the mutual interaction between the manual control and the electric control is caused by the poor cooperation structure of the manual and electric switching drive, so that the use flexibility is low; on the other hand, in the lifting process of the door curtain, the weight of the door curtain needs to be borne by the manual driving mechanism or the electric driving mechanism, so that the power output of the manual driving mechanism and the electric driving mechanism is increased, namely, the utilization rate of the power output is lower.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rolling door.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a rolling door comprises a frame, a scroll and a door curtain, wherein the scroll is arranged at the top of the frame, the door curtain is wound on the scroll, and the rolling door also comprises a driving device and a balancing device; the driving device comprises an output shaft, an electric driving mechanism, a manual driving mechanism, a first clutch mechanism, a second clutch mechanism and a door curtain upper and lower limiting mechanism; the output shaft is connected with the scroll; the electric driving mechanism is connected with the output shaft; the manual driving mechanism is connected with the electric driving mechanism and can drive the electric driving mechanism to operate; the clutch mechanism II is arranged between the electric driving mechanism and the manual driving mechanism and controls the clutch of the electric driving mechanism and the manual driving mechanism; the clutch mechanism I is arranged between the electric driving mechanism and the output shaft and controls the clutch of the electric driving mechanism and the output shaft; the door curtain upper and lower limiting mechanisms are connected with the output shaft; the balancing device comprises an elastic torsion mechanism and an elastic stretching mechanism; the elastic torsion mechanism is arranged in the scroll; one end of the elastic stretching mechanism is connected to the scroll, and the other end of the elastic stretching mechanism is connected to the frame or the ground.
Preferably, the electric driving mechanism comprises a motor and a worm wheel connected with the motor, and the output shaft penetrates through a connecting hole of the worm wheel and is connected with the worm wheel through a pin.
Preferably, the manual driving mechanism comprises a positioning sleeve, a rotating wheel, a transmission shaft and a hand-held pulling piece, wherein the motor is a double-shaft motor, the positioning sleeve is fixedly arranged at the end part of the motor and is positioned at one end back to the connecting worm wheel, the transmission shaft is arranged on the positioning sleeve, the rotating wheel is arranged on the transmission shaft and can drive the transmission shaft to rotate, and the hand-held pulling piece is connected with the rotating wheel and can pull the rotating wheel to rotate; the transmission shaft is combined with or separated from the rotating shaft of the motor through a second clutch mechanism.
Preferably, the manual driving mechanism further comprises an end cover and guide wheels, wherein the end cover is fixedly connected to the outside of the positioning sleeve, and the guide wheels are arranged on the end cover and guide the hand-held pulling piece.
Preferably, the clutch mechanism II comprises an upper friction plate, a lower friction plate, an electromagnet and a spring I; the upper friction plate is fixedly arranged on a rotating shaft of the motor; the lower friction plate is in circumferential limit and axially movable connection with the transmission shaft; the electromagnet is fixedly arranged in the positioning sleeve, the electromagnet is electrified, and the lower friction plate can be adsorbed and separated from the upper friction plate; the first spring is matched with the transmission shaft, one end of the first spring is fixed, the other end of the first spring is propped against the lower friction plate, and after the electromagnet is powered off, the first spring can push the lower friction plate to the upper friction plate and enable the upper friction plate to be attached to the lower friction plate.
Preferably, the first clutch mechanism comprises a mounting seat, a mounting plate, a ratchet wheel, a pawl, a driving wheel, a first torsion spring and a clutch ejector rod; the mounting seat is provided with a mounting groove, the mounting plate is provided with a positioning shaft, the mounting plate is connected to the mounting groove, and the positioning shaft is positioned in the mounting groove; the ratchet wheel and the driving wheel are sleeved on the positioning shaft, the ratchet wheel is axially limited, one end of the pawl is fixedly connected to the mounting seat, and the other end of the pawl abuts against the ratchet wheel; the driving wheel is provided with a first guide strip on one side facing the ratchet wheel, the first guide strip is provided with a first inclined guide surface, the ratchet wheel is provided with a second guide strip on one side facing the driving wheel, the second guide strip is provided with a positioning groove and a second inclined guide surface, the first guide surface can be engaged with the second guide surface and is in axial transmission fit with the ratchet wheel, and the first guide strip can enter the positioning groove and is in circumferential and axial limit fit with the ratchet wheel; the first torsion spring is arranged in the mounting groove and is positioned at one side of the driving wheel, which is opposite to the ratchet wheel, one end of the first torsion spring is fixedly connected with the mounting seat, and the other end of the first torsion spring is fixedly connected with the driving wheel; the clutch ejector rod is connected to one side of the driving wheel, which is opposite to the ratchet wheel, and the other end of the clutch ejector rod is propped against a pin between the output shaft and the worm wheel and can eject the pin out of a key slot of the worm wheel.
Preferably, the upper and lower limiting mechanisms of the door curtain comprise a linkage gear, a reduction gear set, an upper limiting ring, a lower limiting ring, an upper limiting switch and a lower limiting switch; the linkage gear is fixedly connected with the output shaft; the reduction gear set is connected with the linkage gear; the lower limiting ring is connected with the upper limiting ring in a coaxial matching way, the lower limiting ring is provided with meshing teeth and a lower limiting deflector rod, the upper limiting ring is provided with an upper limiting deflector rod, the lower limiting ring is connected with the reduction gear set through the meshing teeth and rotates along with the reduction gear set, the upper limiting ring can be driven to rotate, the upper limiting ring and the lower limiting ring rotate, the upper limiting deflector rod can stir a contact piece of the upper limiting switch and trigger the upper limiting switch, and the lower limiting deflector rod can stir a contact piece of the lower limiting switch and trigger the lower limiting switch.
Preferably, the elastic torsion mechanism comprises a first connecting sleeve, a second torsion spring and a fixed shaft, wherein the first connecting sleeve and the second connecting sleeve are arranged in the scroll, the first connecting sleeve is in circumferential limit connection with the scroll, the second connecting sleeve is in circumferential rotatable connection with the scroll, two ends of the second torsion spring are respectively connected to the first connecting sleeve and the second connecting sleeve, one end of the fixed shaft is fixedly connected to the frame, and the other end of the fixed shaft is fixedly connected with the second connecting sleeve.
Preferably, the elastic stretching mechanism comprises a second spring, a movable pulley and a rope, one end of the rope is connected to the frame, the other end of the rope winds around the movable pulley and is wound on the reel, one end of the second spring is connected to the movable pulley, and the other end of the second spring is connected to the frame or the ground.
Preferably, the output shaft is connected with the reel through a belt.
The invention has the advantages that: the first clutch mechanism and the second clutch mechanism can realize the switching between the electric driving and the manual driving of the rolling shutter door, so that the electric driving and the manual driving work independently do not influence each other, and the use stability and the use flexibility are improved; the door curtain up-down limiting mechanism avoids the condition of bumping the door curtain in the up-down moving process, and improves the use safety of the invention; when the scroll rotates, under the action of the elastic torsion mechanism and the elastic stretching mechanism, the door curtain can keep approximate balance under all position states, namely, the door curtain can keep static at all positions, on the other hand, the bearing capacity of electric driving and manual driving is reduced, the power output of the electric driving mechanism or the manual driving mechanism is reduced, and the door curtain is convenient to drive.
Drawings
Fig. 1 is a schematic view of a rolling door according to the present embodiment;
fig. 2 is a schematic diagram of the cooperation of the manual driving mechanism and the clutch mechanism two according to the present embodiment;
FIG. 3 is a schematic diagram illustrating the cooperation between a rotor and a shaft according to the present embodiment;
FIG. 4 is a schematic view of an end cap and guide wheel provided in this embodiment;
FIG. 5 is a schematic view of a first clutch mechanism according to the present embodiment;
FIG. 6 is another schematic view of a first clutch mechanism according to the present embodiment;
FIG. 7 is a cross-sectional view of a first clutch mechanism according to the present embodiment;
FIG. 8 is a schematic view of the cooperation of the driving wheel and the ratchet wheel according to the present embodiment;
FIG. 9 is a schematic view of an elastic torsion mechanism according to the present embodiment;
fig. 10 is an enlarged view of a portion a in fig. 1.
Detailed Description
The rolling door of the present invention will be further described with reference to fig. 1 to 10.
The rolling door comprises a frame 1, a scroll 3 and a door curtain 2, wherein the scroll 3 is arranged at the top of the frame 1, the scroll 3 is of a hollow structure, two ends of the scroll 3 are respectively connected with a first shaft tube and a second shaft tube, a connecting shaft is arranged in the first shaft tube and is rotationally connected to the frame 1, a fixed shaft 240 is arranged in the second shaft tube, the fixed shaft 240 is fixedly connected to the frame 1, and a bearing is arranged between the second shaft tube and the fixed shaft 240 to realize the rotational connection of the scroll 3 on the frame 1; the door curtain 2 is wound on the scroll 3; the device also comprises a driving device and a balancing device; the driving device comprises an output shaft 100, an electric driving mechanism 400, a manual driving mechanism 500, a first clutch mechanism 700, a second clutch mechanism 800 and a door curtain upper and lower limiting mechanism 600; the output shaft 100 is connected with the scroll 3; the electric driving mechanism 400 is connected with the output shaft 100; the manual driving mechanism 500 is connected with the electric driving mechanism 400 and can drive the electric driving mechanism 400 to operate; the second clutch mechanism 800 is disposed between the electric driving mechanism 400 and the manual driving mechanism 500, and controls the clutch between the electric driving mechanism 400 and the manual driving mechanism 500; the first clutch mechanism 700 is arranged between the electric driving mechanism 400 and the output shaft 100, and controls the clutch of the electric driving mechanism 400 and the output shaft 100; the door curtain upper and lower limiting mechanism 600 is connected with the output shaft 100; the balancing device comprises an elastic torsion mechanism and an elastic stretching mechanism; the elastic torsion mechanism is arranged in the scroll 3; one end of the elastic stretching mechanism is connected with the scroll 3, and the other end is connected with the frame 1 or the ground.
Further, the electric driving mechanism 400 includes a motor 410 and a worm wheel 420 connected to the motor 410, i.e., a worm of the motor 410 is connected to the worm wheel 420; the output shaft 100 is arranged in the connecting hole of the worm wheel 420 in a penetrating way and is connected with the worm wheel through the pin 22, namely, a key groove 421 is formed in the connecting hole of the worm wheel, a shaft hole 110 is formed in the output shaft 100, one end of the shaft hole 110 is closed, the other end penetrates through the end part of the output shaft 100, a waist-shaped hole 120 is formed in the side wall of the output shaft 100, the pin 22 is arranged in the waist-shaped hole 120, two ends of the pin 22 are arranged outside the output shaft, the pin 22 can move in the waist-shaped hole 120 along the axial direction of the output shaft 100, when the pin 22 moves into the key groove, the output shaft 100 and the worm wheel realize circumferential limit fit, and after the pin 22 moves out of the key groove, the output shaft 100 and the worm wheel are separated.
Further, the manual driving mechanism 500 includes a positioning sleeve 810, a rotating wheel 530, a driving shaft 540 and a hand-held pulling member 580, the motor 410 is a dual-shaft motor 410, the positioning sleeve 810 is fixedly mounted at the end of the motor 410 through a bolt and is located at one end opposite to the connecting worm gear, the driving shaft 540 is arranged on the positioning sleeve 810, the rotating wheel 530 is arranged on the driving shaft 540 and can drive the driving shaft 540 to rotate, namely, a tooth slot 531 is arranged on the inner wall of the connecting hole of the rotating wheel 530, a driving gear 570 is connected to the end of the driving shaft 540, a planetary gear 560 is arranged between the driving gear 570 and the tooth slot 531, and linkage between the rotating wheel 530 and the driving shaft 540 is realized; the hand-held pulling piece 580 is connected to the rotating wheel 530 and can pull the rotating wheel 530 to rotate, the hand-held pulling piece 580 is a bead chain, a bead groove is formed in the outer side wall of the rotating wheel 530, and the bead chain is clamped in the bead groove to pull the rotating wheel 530 to rotate; the transmission shaft 540 is coupled to or separated from the rotation shaft of the motor 410 by a second clutch mechanism 800.
Further, the manual driving mechanism 500 further includes an end cover 510 and guide wheels 550, the end cover 510 is fixedly connected to the outside of the positioning sleeve 810 through bolts, and the guide wheels 550 are both installed on the end cover 510 and guide the hand-held pulling piece, that is, after the hand-held pulling piece bypasses the rotating wheel 530, the hand-held pulling piece is guided through the two guide wheels 550, so that the installation of the manual driving mechanism 500 is facilitated.
Further, the second clutch mechanism 800 includes an upper friction plate 830, a lower friction plate 820, an electromagnet 840 and a first spring 850; the upper friction plate 830 is fixedly mounted on a rotating shaft of the motor 410 through a bolt, and the rotating shaft is a worm of the motor 410; the lower friction plate 820 is circumferentially limited and axially movably connected with the transmission shaft 540, the shaft section of the transmission shaft 540 is polygonal, and the hole pattern of the connecting hole of the lower friction plate 820 is matched with the axial contour of the transmission shaft 540 to form circumferential limiting fit; the electromagnet 840 is fixedly installed in the positioning sleeve 810 through a bolt and sleeved on the transmission shaft 540, and the electromagnet 840 is electrified and can absorb the lower friction plate 820 and separate the upper friction plate 830 from the lower friction plate 820; the first spring 850 is matched with the transmission shaft 540, one end of the first spring 850, which is opposite to the upper friction plate 830, is abutted against the bottom of the positioning sleeve 810, the other end is abutted against the lower friction plate 820, and after the electromagnet 840 is powered off, the first spring 850 can push the lower friction plate 820 to the upper friction plate 830 and make the upper friction plate 830 fit with the lower friction plate 820. After the power is off, the electromagnet 840 is powered off, the upper friction plate 830 and the lower friction plate 820 are combined, so that the linkage of the transmission shaft 540 and the worm of the motor 410 is realized, and the lifting or lowering of the door curtain can be driven by pulling the hand-held pulling piece in the state, so that the manual control is realized.
Further, the first clutch mechanism 700 includes a mounting base 720, a mounting plate 730, a ratchet 710, a pawl 740, a driving wheel 750, a first torsion spring 780, and a clutch post 760; the mounting seat 720 is provided with a mounting groove 721, the mounting plate 730 is provided with a positioning shaft 771, the mounting plate 730 is connected to the notch of the mounting groove 721 through a bolt and seals the mounting groove 721, and the positioning shaft 771 is positioned in the mounting groove 721; the ratchet 710 and the driving wheel 750 are both sleeved on the positioning shaft 771, and the ratchet 710 is axially limited, i.e. the side wall of the ratchet 710 abuts against the mounting plate 730, one end of the pawl 740 is fixedly connected to the mounting seat 720 through a bolt, and the other end passes through the side wall of the mounting seat 720 to abut against the ratchet 710, so that the ratchet 710 rotates unidirectionally; the side of the driving wheel 750 facing the ratchet wheel 710 is provided with a first guide bar 751, the first guide bar 751 is provided with a first inclined guide surface, the side of the ratchet wheel 710 facing the driving wheel 750 is provided with a second guide bar 711, the second guide bar 711 is provided with a positioning groove and a second inclined guide surface, the second guide surface is connected with the positioning groove, the first guide surface can be engaged with the second guide surface and form axial transmission fit with the ratchet wheel 710, and the first guide bar 751 can enter the positioning groove and form circumferential and axial limit fit with the ratchet wheel 710; the first torsion spring 780 is installed in the installation groove 721 and is located at one side of the driving wheel 750 opposite to the ratchet wheel 710, one end of the first torsion spring 780 is fixedly connected to the installation seat 720, and the other end is fixedly connected to the driving wheel 750; the clutch post 760 is connected to one side of the driving wheel 750 facing away from the ratchet 710, and the other end extends into the shaft hole 110 of the output shaft 100 to abut against the pin 22 between the output shaft 100 and the worm wheel, and can eject the pin 22 out of the key slot of the worm wheel. Because the ratchet wheel 710 is abutted against the mounting seat 720 and the pawl 740 is abutted against the ratchet wheel 710, the ratchet wheel 710 is not moved, so that the driving wheel 750 moves back to the ratchet wheel 710 under the cooperation of the first guide surface and the second guide surface, and pushes the clutch ejector rod 760 to move, and the clutch ejector rod 760 pushes the pin 22 to move out of the key slot, so that the output shaft 100 is separated from the worm wheel; after the driving wheel 750 rotates for a certain angle, the first guide surface and the second guide surface are separated, the first guide strip 751 enters the positioning groove, so that the first guide strip 751 is abutted against the bottom wall of the positioning groove, the axial positioning of the driving wheel 750 is realized, namely, the state that the clutch ejector rod 760 ejects the pin 22 out of the key groove is kept, namely, the separation state of the output shaft 100 and the worm wheel is kept; on the other hand, in this state, the first torsion spring 780 is axially compressed and circumferentially twisted, so the driving wheel 750 will drive the ratchet 710 to reversely rotate after losing the external force, so that the first torsion spring 780 is twisted and reset; the driving wheel 750 is rotated again, so that the first guide bar 751 is separated from the positioning groove, after the first guide bar 751 is separated from the positioning groove, the driving wheel 750 moves towards the ratchet 710 under the action of the axial elastic force of the first torsion spring 780, the first guide surface is attached to the second guide surface again, the clutch ejector rod 760 is pulled back, the pin 22 returns into the key groove, the combination of the output shaft 100 and the worm wheel is realized, and the clutch circulation of the output shaft 100 and the worm wheel is realized. The first clutch mechanism 700 controls the clutch of the output shaft 100 and the worm gear, effectively prevents the situation that the motor 410 drives the door curtain to open or close by mistake, and improves the use safety of the invention.
Further, the door curtain upper and lower limit mechanism 600 includes a linkage gear, a reduction gear set 610, an upper limit ring 630, a lower limit ring 620, an upper limit switch 640 and a lower limit switch 650; the speed reducing gear set consists of a plurality of speed reducing gears; the linkage gear is fixedly connected with the end part of the output shaft 100; the reduction gear set is connected with the linkage gear; the lower limiting ring is connected with the upper limiting ring in a coaxial matching way, namely, the upper limiting ring and the lower limiting ring are fixed through bolts, synchronous rotation is realized, the lower limiting ring is provided with meshing teeth and a lower limiting deflector rod, the upper limiting ring is provided with an upper limiting deflector rod, the lower limiting ring is connected with a reduction gear set through the meshing teeth and rotates along with the reduction gear set, the upper limiting ring can be driven to rotate, the upper limiting ring and the lower limiting ring are rotated, the upper limiting deflector rod can stir a contact piece of the upper limiting switch and trigger the upper limiting switch, and the lower limiting deflector rod can stir a contact piece of the lower limiting switch and trigger the lower limiting switch. When the door curtain falls to the lowest point, the lower limit deflector rod touches the contact piece of the lower limit switch, the circuit is disconnected, and the motor 410 stops working; when the door curtain rises to the high point, the upper limit deflector rod touches the contact piece of the upper limit switch, the circuit is disconnected, and the motor 410 stops working, so that the safety of the door curtain upper and lower limit mechanism 600 is effectively ensured.
Further, the elastic torsion mechanism comprises a first connecting sleeve 220, a second connecting sleeve 230 and a second torsion spring 210, wherein the first connecting sleeve 220 and the second connecting sleeve 230 are arranged in the reel 3, the first connecting sleeve 220 is in circumferential limit connection with the reel 3, namely, the circumferential limit connection mode is that the first connecting sleeve and the reel 3 are fixed through bolts, and concave-convex grooves are formed in the reel 3 and the first connecting sleeve 220 to be mutually clamped, so that circumferential limit fit is realized; the second connecting sleeve 230 is rotatably connected with the reel 3 in the circumferential direction, two ends of the second torsion spring 210 are respectively connected to the first connecting sleeve 220 and the second connecting sleeve 230, one end of the fixed shaft 240 is fixedly connected to the frame 1, and the other end of the fixed shaft 240 is fixedly connected with the second connecting sleeve 230; the elastic stretching mechanism comprises a second spring 930, a movable pulley 920 and a rope 910, one end of the rope 910 is connected to the frame 1, the other end of the rope bypasses the movable pulley 920 and is wound on the reel 3, one end of the second spring 930 is connected to the movable pulley 920, and the other end of the second spring 930 is connected to the frame 1 or the ground. When the door curtain is completely opened, the torsion spring II 210 and the spring II 930 are in a natural state, the door curtain starts to descend after the reel 3 rotates, the torsion spring II 210 is twisted, and the spring II 930 is stretched, so that the sum of the tension force of the spring II 930 and the torsion force of the torsion spring II 210 is approximately balanced with the gravity of the door curtain, the driving mechanism does not need to bear the gravity of the roller shutter door, and the power output of the driving mechanism is reduced; meanwhile, the door curtain can be kept in a static state at all positions, and the use of the invention is convenient.
Further, the output shaft 100 is connected with the reel 3 through a belt, that is, belt pulleys are arranged on the output shaft 100 and the connecting shaft, and the belt is arranged between the two belt pulleys to realize transmission.
In summary, under the condition of electricity, the electromagnet 840 is powered to absorb the lower clutch plate, so that the upper clutch plate and the lower clutch plate are separated, the manual driving mechanism 500 is separated from the electric driving mechanism 400, the motor 410 drives the output shaft 100 to rotate through the worm and the worm wheel, and the output shaft 100 drives the scroll 3 to rotate, so as to realize the curtain releasing or retracting function; under the condition of power failure, the first spring 850 pushes the lower clutch plate to the upper clutch plate, so that the upper clutch plate is attached to the lower clutch plate, the combination of the manual driving mechanism 500 and the worm of the motor 410 is realized, the hand-held pulling piece 580 is pulled, the worm is driven to rotate through the rotating wheel 530 and the transmission shaft 540, and the output shaft 100 and the scroll 3 are driven to rotate, so that the function of rolling or releasing a curtain is realized, and the switching between the manual driving mechanism 500 and the electric driving mechanism 400 is effectively realized through the second clutch mechanism 800; when the roller shutter is not required to be driven to lift, the first clutch mechanism 700 is utilized to push the pin 22 out of the key groove of the worm wheel, so that the output shaft 100 is separated from the worm wheel, and the driving mechanism cannot drive the scroll 3 to rotate in the state, so that the condition that the driving mechanism drives the scroll 3 is effectively avoided, and the use safety of the roller shutter is ensured.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention. 。
Claims (6)
1. The utility model provides a rolling slats door, includes frame, spool and door curtain, and the spool is installed at the top of frame, and door curtain winds on the spool, characterized by: the device also comprises a driving device and a balancing device; the driving device comprises an output shaft, an electric driving mechanism, a manual driving mechanism, a first clutch mechanism, a second clutch mechanism and a door curtain upper and lower limiting mechanism; the output shaft is connected with the scroll; the electric driving mechanism is connected with the output shaft; the manual driving mechanism is connected with the electric driving mechanism and can drive the electric driving mechanism to operate; the clutch mechanism II is arranged between the electric driving mechanism and the manual driving mechanism and controls the clutch of the electric driving mechanism and the manual driving mechanism; the clutch mechanism I is arranged between the electric driving mechanism and the output shaft and controls the clutch of the electric driving mechanism and the output shaft; the door curtain upper and lower limiting mechanisms are connected with the output shaft; the balancing device comprises an elastic torsion mechanism and an elastic stretching mechanism; the elastic torsion mechanism is arranged in the scroll; one end of the elastic stretching mechanism is connected with the scroll, and the other end of the elastic stretching mechanism is connected with the frame or the ground;
the electric driving mechanism comprises a motor and a worm wheel connected with the motor, and the output shaft penetrates through a connecting hole of the worm wheel and is connected with the worm wheel through a pin;
the manual driving mechanism comprises a locating sleeve, a rotating wheel, a transmission shaft and a hand-held pulling piece, wherein the motor is a double-shaft motor, the locating sleeve is fixedly arranged at the end part of the motor and is positioned at one end back to the connecting worm wheel, the transmission shaft is arranged on the locating sleeve, the rotating wheel is arranged on the transmission shaft and can drive the transmission shaft to rotate, and the hand-held pulling piece is connected to the rotating wheel and can pull the rotating wheel to rotate; the transmission shaft is combined with or separated from the rotating shaft of the motor through a second clutch mechanism;
the clutch mechanism II comprises an upper friction plate, a lower friction plate, an electromagnet and a spring I; the upper friction plate is fixedly arranged on a rotating shaft of the motor; the lower friction plate is in circumferential limit and axially movable connection with the transmission shaft; the electromagnet is fixedly arranged in the positioning sleeve, the electromagnet is electrified, and the lower friction plate can be adsorbed and separated from the upper friction plate; the first spring is matched with the transmission shaft, one end of the first spring is fixed, the other end of the first spring is abutted against the lower friction plate, and after the electromagnet is powered off, the first spring can push the lower friction plate to the upper friction plate and enable the upper friction plate to be attached to the lower friction plate;
the output shaft is connected with the scroll through a belt.
2. The rolling door of claim 1, wherein: the manual driving mechanism further comprises an end cover and guide wheels, wherein the end cover is fixedly connected to the outside of the positioning sleeve, and the guide wheels are arranged on the end cover and guide the hand-held pulling piece.
3. The rolling door of claim 1, wherein: the clutch mechanism I comprises a mounting seat, a mounting plate, a ratchet wheel, a pawl, a driving wheel, a torsion spring I and a clutch ejector rod; the mounting seat is provided with a mounting groove, the mounting plate is provided with a positioning shaft, the mounting plate is connected to the mounting groove, and the positioning shaft is positioned in the mounting groove; the ratchet wheel and the driving wheel are sleeved on the positioning shaft, the ratchet wheel is axially limited, one end of the pawl is fixedly connected to the mounting seat, and the other end of the pawl abuts against the ratchet wheel; the driving wheel is provided with a first guide strip on one side facing the ratchet wheel, the first guide strip is provided with a first inclined guide surface, the ratchet wheel is provided with a second guide strip on one side facing the driving wheel, the second guide strip is provided with a positioning groove and a second inclined guide surface, the first guide surface can be engaged with the second guide surface and is in axial transmission fit with the ratchet wheel, and the first guide strip can enter the positioning groove and is in circumferential and axial limit fit with the ratchet wheel; the first torsion spring is arranged in the mounting groove and is positioned at one side of the driving wheel, which is opposite to the ratchet wheel, one end of the first torsion spring is fixedly connected with the mounting seat, and the other end of the first torsion spring is fixedly connected with the driving wheel; the clutch ejector rod is connected to one side of the driving wheel, which is opposite to the ratchet wheel, and the other end of the clutch ejector rod is propped against a pin between the output shaft and the worm wheel and can eject the pin out of a key slot of the worm wheel.
4. The rolling door of claim 1, wherein: the door curtain upper and lower limiting mechanism comprises a linkage gear, a reduction gear set, an upper limiting ring, a lower limiting ring, an upper limiting switch and a lower limiting switch; the linkage gear is fixedly connected with the output shaft; the reduction gear set is connected with the linkage gear; the lower limiting ring is connected with the upper limiting ring in a coaxial matching way, the lower limiting ring is provided with meshing teeth and a lower limiting deflector rod, the upper limiting ring is provided with an upper limiting deflector rod, the lower limiting ring is connected with the reduction gear set through the meshing teeth and rotates along with the reduction gear set, the upper limiting ring can be driven to rotate, the upper limiting ring and the lower limiting ring rotate, the upper limiting deflector rod can stir a contact piece of the upper limiting switch and trigger the upper limiting switch, and the lower limiting deflector rod can stir a contact piece of the lower limiting switch and trigger the lower limiting switch.
5. The rolling door of claim 1, wherein: the elastic torsion mechanism comprises a first connecting sleeve, a second torsion spring and a fixed shaft, wherein the first connecting sleeve and the second connecting sleeve are arranged in the scroll, the first connecting sleeve is in circumferential limiting connection with the scroll, the second connecting sleeve is in circumferential rotatable connection with the scroll, two ends of the second torsion spring are respectively connected to the first connecting sleeve and the second connecting sleeve, one end of the fixed shaft is fixedly connected to the frame, and the other end of the fixed shaft is fixedly connected with the second connecting sleeve.
6. The rolling door of claim 1, wherein: the elastic stretching mechanism comprises a second spring, a movable pulley and a rope, one end of the rope is connected to the frame, the other end of the rope winds around the movable pulley and is wound on the reel, one end of the second spring is connected to the movable pulley, and the other end of the second spring is connected to the frame or the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341105.3A CN108119052B (en) | 2017-12-14 | 2017-12-14 | Rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341105.3A CN108119052B (en) | 2017-12-14 | 2017-12-14 | Rolling shutter door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108119052A CN108119052A (en) | 2018-06-05 |
| CN108119052B true CN108119052B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711341105.3A Active CN108119052B (en) | 2017-12-14 | 2017-12-14 | Rolling shutter door |
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| Country | Link |
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| CN (1) | CN108119052B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735594B (en) * | 2019-09-09 | 2020-09-15 | 宁波先锋新材料股份有限公司 | Electric and manual combined type roller shutter driver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422805A (en) * | 2012-05-20 | 2013-12-04 | 湖州鸿远电机有限公司 | Clutch device for electric roller shutter door |
| CN205429957U (en) * | 2015-09-16 | 2016-08-03 | 宁波市镇海甬亚机电科技有限公司 | Manual tubular motor |
| CN106812454A (en) * | 2016-08-25 | 2017-06-09 | 漳州市亿锦进出口有限公司 | A kind of activity positioning door roller |
| CN206397415U (en) * | 2017-01-11 | 2017-08-11 | 王振发 | A kind of electric-hand driven two-purpose rolling screen door |
| CN207620686U (en) * | 2017-12-14 | 2018-07-17 | 英普瑞科技（嘉兴）有限公司 | Rolling screen door |
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2017
- 2017-12-14 CN CN201711341105.3A patent/CN108119052B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422805A (en) * | 2012-05-20 | 2013-12-04 | 湖州鸿远电机有限公司 | Clutch device for electric roller shutter door |
| CN205429957U (en) * | 2015-09-16 | 2016-08-03 | 宁波市镇海甬亚机电科技有限公司 | Manual tubular motor |
| CN106812454A (en) * | 2016-08-25 | 2017-06-09 | 漳州市亿锦进出口有限公司 | A kind of activity positioning door roller |
| CN206397415U (en) * | 2017-01-11 | 2017-08-11 | 王振发 | A kind of electric-hand driven two-purpose rolling screen door |
| CN207620686U (en) * | 2017-12-14 | 2018-07-17 | 英普瑞科技（嘉兴）有限公司 | Rolling screen door |
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| CN108119052A (en) | 2018-06-05 |
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