CN215077422U

CN215077422U - Pure mechanical manual and electric two-in-one curtain

Info

Publication number: CN215077422U
Application number: CN202120986866.XU
Authority: CN
Inventors: 梁顺可; 李冬冬; 李泓辉; 牙举辉; 徐奕森; 黄志明; 关加浚; 林钰豪
Original assignee: Guangzhou College of South China University of Technology
Current assignee: Guangzhou College of South China University of Technology
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-10
Anticipated expiration: 2031-05-10

Abstract

A pure mechanical manual and electric two-in-one curtain comprises a transmission shaft, a synchronous mechanism, an electric mechanism and a manual mechanism, wherein the synchronous mechanism is sleeved on the transmission shaft and can slide along the transmission shaft; the synchronous mechanism comprises a synchronous component sleeved on the transmission shaft, a driving disc sleeved on the synchronous component and a driving ring matched with the driving disc, wherein a first synchronous female tooth meshed with a first synchronous male tooth is arranged on one side of the synchronous component, a second synchronous female tooth meshed with a second synchronous male tooth is arranged on the other side of the synchronous component, a first roller is arranged on the driving ring, one end of a pull rope is connected to the first roller after bypassing a pull rope belt wheel, a plurality of convex teeth with inclined planes are arranged on the driving disc, and a push block matched with the convex teeth is arranged on the driving ring. When the electric curtain opening and closing can not be used, the electric curtain opening and closing can be manually opened and closed, and the size of the machine body is reduced by using a simplified mechanism and a large-torque motor.

Description

Pure mechanical manual and electric two-in-one curtain

Technical Field

The utility model relates to an electric curtain, in particular to a pure mechanical manual and electric two-in-one curtain.

Background

Most of the curtains today are purely manual or purely electric curtains. The manual curtain has the advantages of low price, wide use, low technical content and high reliability, and is suitable for most of life and working scenes; the manual curtain has the defects that the opening and closing of the curtain can be manually solved only by manpower, and the comfort and the convenience of a use place are not improved greatly although the reliability is high and the cost is low. The electric curtain is generally higher in price, high in technical content and high in automation degree, and is gradually intelligentized in recent years, such as voice control, the Internet of things and the like, so that the electric curtain is greatly convenient for the life of people; most of the existing electric intelligent curtains are pure electric curtains, although the comfort and the convenience of use places are greatly improved, the curtains are difficult to open and close manually in case of faults or special conditions, the curtain is difficult to use when waiting for maintenance or special conditions, and meanwhile, most of electric curtain mechanisms on the market are large in size.

Disclosure of Invention

The utility model aims to solve the technical problem that a pure mechanical manual and electric two-in-one curtain is provided, the problem that the current electric curtain can not be manually operated to open and close is solved, and the whole volume is small.

In order to solve the technical problem, the technical scheme of the utility model is that: a pure mechanical manual and electric two-in-one curtain comprises a transmission shaft, a synchronous mechanism, an electric mechanism and a manual mechanism, wherein the synchronous mechanism is sleeved on the transmission shaft and can slide along the transmission shaft; the transmission shaft is provided with a guide groove which is axially arranged, and one end of the transmission shaft is provided with a belt wheel; the electric mechanism comprises a motor, a first gear arranged on an output shaft of the motor and a second gear sleeved on the transmission shaft, a first bearing is arranged between the second gear and the transmission shaft, the first gear is meshed with the second gear, the second gear is arranged on one side of the synchronous mechanism, and a first synchronous male tooth is arranged on one side of the second gear, which faces the synchronous mechanism; the manual mechanism comprises a third gear, a pull rope belt wheel, a fourth gear and a pull rope, the pull rope belt wheel is arranged on one side of the third gear and connected with the third gear, the fourth gear is sleeved on the transmission shaft, the pull rope can drive the pull rope belt wheel to rotate, a second bearing is arranged between the fourth gear and the transmission shaft, the third gear is meshed with the fourth gear, the fourth gear is arranged on the other side of the synchronizing mechanism, and a second synchronous male tooth is arranged on one side, facing the synchronizing mechanism, of the fourth gear; the synchronous mechanism comprises a synchronous component sleeved on the transmission shaft, a driving disc sleeved on the synchronous component and a driving ring matched with the driving disc, wherein a first synchronous female tooth meshed with a first synchronous male tooth is arranged on one side of the synchronous component, a second synchronous female tooth meshed with a second synchronous male tooth is arranged on the other side of the synchronous component, a first roller is arranged on the driving ring, one end of a pull rope is connected to the first roller after bypassing a pull rope belt wheel, a plurality of convex teeth with inclined planes are arranged on the driving disc, and a push block matched with the convex teeth is arranged on the driving ring. The utility model discloses the principle: when the curtain is opened and closed electrically, the motor drives the first gear, the first gear drives the second gear, and the first synchronous male tooth on the second gear is meshed with the first synchronous female tooth of the synchronous component, so the second gear drives the synchronous component, the synchronous component drives the transmission shaft, the transmission shaft drives the belt wheel, and the belt wheel pulls the curtain to open and close through the steel cable; when the curtain is opened and closed manually, the free end of pulling stay cord, because the other end and the first gyro wheel of stay cord are connected, can drive the drive ring rotation through the stay cord, the rotatory process of drive ring makes the ejector pad move along the inclined plane on the driving-disc dogtooth, thereby force synchronizing assembly to slide towards fourth gear one side, make synchronizing assembly break away from the second gear and with the meshing of fourth gear at last, continue to stimulate the stay cord, make the stay cord band pulley rotatory, the stay cord band pulley drives the third gear, the third gear drives the fourth gear, the fourth gear drives synchronizing assembly, synchronizing assembly drives the transmission shaft, the transmission shaft drives the band pulley, the band pulley passes through the steel cable pulling curtain and opens and shuts.

As an improvement, third bearings are arranged at two ends of the transmission shaft.

As an improvement, the belt wheel drives a steel cable, and the steel cable pulls the curtain through a pulley block.

As an improvement, the driving ring is provided with a second roller, and the first roller, the second roller and the rope pulling belt wheel are distributed in a triangular shape.

As an improvement, one end of the pull rope is connected with the first roller in a winding mode.

As an improvement, the synchronizing assembly comprises a first sliding ring sleeved on the transmission shaft, a second sliding ring sleeved on the transmission shaft and fixing rings sleeved on the first sliding ring and the second sliding ring, wherein the first sliding ring is provided with a first synchronizing female tooth meshed with the first synchronizing male tooth, and the second sliding ring is provided with a second synchronizing female tooth meshed with the second synchronizing male tooth.

As an improvement, the synchronous component comprises a sliding ring sleeved on the transmission shaft, wherein one side of the sliding ring is provided with a first synchronous female tooth meshed with the first synchronous male tooth, and the other side of the sliding ring is provided with a second synchronous female tooth meshed with the second synchronous male tooth.

As a modification, the periphery of the driving ring is provided with a limit block which is used for limiting the movement of the driving ring and can allow the driving ring to rotate.

As an improvement, the limiting block is provided with an arc-shaped limiting groove.

As an improvement, the synchronizing assembly is provided with a guide block matched with a guide groove on the transmission shaft.

Compared with the prior art, the utility model the beneficial effect who brings is:

aiming at the defects that most electric curtains cannot be manually opened and closed under special conditions and have larger volume, the curtain adopts a purely mechanical mechanism, can be manually opened and closed when the electric curtains cannot be used, and reduces the size of a machine body by using a simplified mechanism and a large-torque motor.

Drawings

Fig. 1 is a schematic view of a curtain rod in combination with a driving device.

Fig. 2 is a schematic view of a driving device.

Fig. 3 is an exploded view of the drive device.

Fig. 4 is a schematic view of a synchronization mechanism.

Fig. 5 is a schematic view of the engagement of the drive ring with the drive disk.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, a purely mechanical manual and electric two-in-one curtain comprises a curtain hanging rod 2 and a driving device 1 arranged at one end of the curtain hanging rod 2, wherein the driving device 1 comprises a transmission shaft 118, a synchronizing mechanism which is sleeved on the transmission shaft 118 and can slide along the transmission shaft 118, an electric mechanism, a manual mechanism and a belt pulley 110 arranged at one end of the transmission shaft 118; the pulley 110 drives the steel cable, the steel cable pulls the curtain through the pulley block 111, and the pulley 110 and the pulley block 111 convert the power into the movement of the steel cable which pulls the curtain to open and close.

As shown in fig. 3, both ends of the transmission shaft 118 are provided with third bearings, and the transmission shaft 118 can freely rotate; the transmission shaft 118 is provided with an axially arranged guide groove, the guide groove not only has an axial guide function, but also is used for power transmission, so that the synchronization mechanism can slide along the transmission shaft 118 and can transmit power to the transmission shaft 118 to rotate.

As shown in fig. 3, the electric mechanism comprises a motor 101, a first gear 102 arranged on an output shaft of the motor 101, and a second gear 103 sleeved on a transmission shaft 118; the first gear 102 is meshed with the second gear 103, a first bearing is arranged between the second gear 103 and the transmission shaft 118, and the second gear 103 can freely rotate relative to the transmission shaft 118; the second gear 103 is disposed at one side of the synchronizing mechanism, and a first synchronizing male tooth 113 is disposed at one side of the second gear 103 facing the synchronizing mechanism, and the first synchronizing male tooth 113 and the second gear 103 may be integrally formed.

As shown in fig. 3, the manual mechanism includes a third gear 105, a rope pulley 104 disposed on one side of the third gear 105 and connected to the third gear 105, a fourth gear 106 sleeved on a transmission shaft 118, and a rope (not shown) capable of driving the rope pulley 104 to rotate; the third gear 105 is meshed with the fourth gear 106, a second bearing is arranged between the fourth gear 106 and the transmission shaft 118, and the fourth gear 106 can freely rotate relative to the transmission shaft 118; the fourth gear 106 is arranged at the other side of the synchronous mechanism, a second synchronous male tooth 117 is arranged at one side of the fourth gear 106 facing the synchronous mechanism, and the second synchronous male tooth 117 and the fourth gear 106 can be integrally formed.

As shown in fig. 2 to 5, the synchronizing mechanism includes a synchronizing assembly fitted over the transmission shaft 118, a driving disc 107 fitted over the synchronizing assembly, and a driving ring 108 engaged with the driving disc 107. One side of the synchronizing assembly is provided with a first synchronizing female tooth 114 meshed with the first synchronizing male tooth 113, the other side of the synchronizing assembly is provided with a second synchronizing female tooth 116 meshed with the second synchronizing male tooth 117, when the synchronizing assembly is meshed with the second gear 103, the electric mechanism can drive the synchronizing assembly to rotate, and when the synchronizing assembly is meshed with the fourth gear 106, the manual mechanism can drive the synchronizing assembly to rotate. The synchronous component of the embodiment comprises a first sliding ring sleeved on a transmission shaft 118, a second sliding ring sleeved on the transmission shaft 118 and a fixing ring 119 sleeved on the first sliding ring and the second sliding ring, wherein the first sliding ring is provided with a first synchronous female tooth 114 meshed with a first synchronous male tooth 113, the second sliding ring is provided with a second synchronous female tooth 116 meshed with a second synchronous male tooth 117, the first sliding ring and the second sliding ring are both provided with guide blocks matched with guide grooves of the transmission shaft 118, and the sliding rings realize axial sliding on the transmission shaft 118 and transmit power to a transmission shaft through matching of the guide blocks and the guide grooves; in addition, another type of synchronizing assembly includes a slip ring fitted over the transmission shaft 118, and the slip ring is provided with a first synchronizing female tooth 114 engaged with the first synchronizing male tooth 113 on one side and a second synchronizing female tooth 116 engaged with the second synchronizing male tooth 117 on the other side. The driving ring 108 is arranged at the periphery of the driving disc 107, one side of the driving ring 108 is provided with a first roller 109, the other side is provided with a second roller 115, the first roller 109, the second roller 115 and the rope pulling belt wheel 104 are distributed in a triangular shape, and the synchronizing mechanism is arranged in a triangular area; one end of the pull rope is wound around the second roller 115 and the pull rope pulley 104 and then connected to the first roller 109 in a winding manner, so that the damping is increased, and the pull rope can be pulled; a plurality of convex teeth 120 with inclined planes are arranged on the driving disc 107, a pushing block 121 matched with the convex teeth 120 is arranged on the driving ring 108, when the driving ring 108 rotates, the pushing block 121 can be driven to move on the inclined planes, and the pushing block 121 forms pushing force on the convex teeth 120 in the climbing process; the upper part and the lower part of the driving ring 108 are provided with limit blocks 112 which are used for limiting the movement of the driving ring 108 and can allow the driving ring 108 to rotate, the limit blocks are provided with arc limit grooves, a part of the driving ring 108 is arranged in the arc limit grooves, and the driving ring 108 cannot move due to the fixed positions of the limit blocks.

The utility model discloses the principle: when the curtain is opened and closed electrically, the motor 101 drives the first gear 102, the first gear 102 drives the second gear 103, and the second gear 103 drives the synchronizing assembly as the first synchronizing male tooth 113 on the second gear 103 is meshed with the first synchronizing female tooth 114 of the synchronizing assembly, the synchronizing assembly drives the transmission shaft 118, the transmission shaft 118 drives the belt pulley, and the belt pulley pulls the curtain to open and close through the steel cable; when the curtain is opened and closed manually, the free end of the pull rope is pulled, because the other end of the pull rope is connected with the first roller 109, the drive ring 108 can be driven to rotate through the pull rope, the drive ring 108 rotates to enable the push block to move along the inclined plane on the convex teeth of the drive disk 107, so that the synchronizing assembly is forced to slide towards one side of the fourth gear 106, finally the synchronizing assembly is separated from the second gear 103 and is meshed with the fourth gear 106, the pull rope is continuously pulled, the pull rope belt wheel 104 rotates, the pull rope belt wheel 104 drives the third gear 105, the third gear 105 drives the fourth gear 106, the fourth gear 106 drives the synchronizing assembly, the synchronizing assembly drives the transmission shaft 118, the transmission shaft 118 drives the belt wheel, and the belt wheel pulls the curtain to open and close through the steel cable.

Claims

1. A pure mechanical manual and electric two-in-one curtain is characterized in that: comprises a transmission shaft, a synchronous mechanism, an electric mechanism and a manual mechanism, wherein the synchronous mechanism is sleeved on the transmission shaft and can slide along the transmission shaft; the transmission shaft is provided with a guide groove which is axially arranged, and one end of the transmission shaft is provided with a belt wheel; the electric mechanism comprises a motor, a first gear arranged on an output shaft of the motor and a second gear sleeved on the transmission shaft, a first bearing is arranged between the second gear and the transmission shaft, the first gear is meshed with the second gear, the second gear is arranged on one side of the synchronous mechanism, and a first synchronous male tooth is arranged on one side of the second gear, which faces the synchronous mechanism; the manual mechanism comprises a third gear, a pull rope belt wheel, a fourth gear and a pull rope, the pull rope belt wheel is arranged on one side of the third gear and connected with the third gear, the fourth gear is sleeved on the transmission shaft, the pull rope can drive the pull rope belt wheel to rotate, a second bearing is arranged between the fourth gear and the transmission shaft, the third gear is meshed with the fourth gear, the fourth gear is arranged on the other side of the synchronizing mechanism, and a second synchronous male tooth is arranged on one side, facing the synchronizing mechanism, of the fourth gear; the synchronous mechanism comprises a synchronous component sleeved on the transmission shaft, a driving disc sleeved on the synchronous component and a driving ring matched with the driving disc, wherein a first synchronous female tooth meshed with a first synchronous male tooth is arranged on one side of the synchronous component, a second synchronous female tooth meshed with a second synchronous male tooth is arranged on the other side of the synchronous component, a first roller is arranged on the driving ring, one end of a pull rope is connected to the first roller after bypassing a pull rope belt wheel, a plurality of convex teeth with inclined planes are arranged on the driving disc, and a push block matched with the convex teeth is arranged on the driving ring.

2. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: and third bearings are arranged at two ends of the transmission shaft.

3. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: the belt wheel drives a steel cable, and the steel cable pulls the curtain through the pulley block.

4. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: the driving ring is provided with a second roller, and the first roller, the second roller and the stay cord belt wheel are distributed in a triangular shape.

5. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: one end of the pull rope is connected with the first roller wheel in a winding mode.

6. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: the synchronous component comprises a first sliding ring sleeved on the transmission shaft, a second sliding ring sleeved on the transmission shaft and fixing rings sleeved on the first sliding ring and the second sliding ring, wherein first synchronous female teeth meshed with the first synchronous male teeth are arranged on the first sliding ring, and second synchronous female teeth meshed with the second synchronous male teeth are arranged on the second sliding ring.

7. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: the synchronous component comprises a sliding ring sleeved on the transmission shaft, one side of the sliding ring is provided with a first synchronous female tooth meshed with the first synchronous male tooth, and the other side of the sliding ring is provided with a second synchronous female tooth meshed with the second synchronous male tooth.

8. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: the periphery of the driving ring is provided with a limiting block which is used for limiting the movement of the driving ring and can allow the driving ring to rotate.

9. The window covering of claim 8, wherein the window covering comprises: the limiting block is provided with an arc-shaped limiting groove.

10. The pure mechanical manual and electric two-in-one curtain as claimed in claim 1, wherein: the synchronous component is provided with a guide block matched with the guide groove on the transmission shaft.