Automatic curtain cordless pull module

The main traction unit of the cordless traction module moves autonomously within the curtain track. Combined with the control of the electrode slide rail and brush group, it solves the problems of large space occupation of the curtain structure and easy damage of the drive cord, and realizes the operation of the curtain in a beautiful, practical and flexible manner.

CN118303741BActive Publication Date: 2026-02-10WUHAN PUFEIKE BUILDING MATERIAL
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Patent Information

Application Number
CN202410526911.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2026-02-10
Estimated Expiration
2044-04-29

AI Technical Summary

Technical Problem

Existing automatic curtain structures take up a lot of space, cannot be fitted to walls or ceilings, and the drive cords or belts are prone to breakage and wear, limiting their application in curved curtain tracks.

Method used

The system employs a cordless traction module, which allows the main traction device to move autonomously within the curtain track, eliminating the need for a traditional drive unit. Power and command signals are provided by an electrode slide rail and a brush assembly, and a reduction motor drives gears to open and close the curtains. The secondary traction device is locked to the rack and pinion via a spring lock block, and an angle sensor controls the position of the curtains.

Benefits of technology

It allows the curtain track to fit snugly against the wall or ceiling, avoiding the failure of drive cords or belts. The structure is aesthetically pleasing and practical, supports the application of curved curtain tracks, and improves the flexibility and reliability of curtain control.

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    Figure CN118303741B_ABST
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Abstract

The application relates to the technical field of smart home, in particular to an automatic curtain cordless traction module, which comprises a curtain rail, a sliding groove is arranged at the bottom of the curtain rail along the length direction, positioning rails are arranged in the curtain rail and correspond to the middle parts of the two sides of the sliding groove, and any one of the positioning rails is embedded with a rack; a main tractor is arranged in the sliding groove and is provided with a speed reducer motor, the output shaft of the speed reducer motor is provided with a driving gear which is engaged with the rack; control end covers are adapted to the two ends of the curtain rail, any one of the control end covers is provided with a control mainboard, the control mainboard is provided with a power adapter and a wireless communication module, and the control mainboard is electrically connected with the electrode sliding rail through a connector. The automatic curtain cordless traction module provided by the application cancels the driving device at the end of the traditional automatic curtain rail by adopting a completely autonomous walking mode of the main tractor, and effectively avoids the fault problems caused by the breakage and wear of the traditional driving pull rope or belt.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of smart home, in particular to an automatic curtain cordless traction module. BACKGROUND

[0002] Most of the existing automatic curtains are realized by electric motor and control circuit to realize the automatic opening and closing of the curtain, wherein the electric motor is often installed at one end of the track or the top of the track, and the driving mode of the curtain is realized by the driving of the cable or the toothed belt to drive the sliding block of the curtain to move in the track. The disadvantage of this structure is that the curtain motor occupies a large space, and even the curtain cannot be attached to the wall after retraction, or the curtain track cannot be attached to the concrete roof, and an additional curtain box is required. Not only this, this structure often cannot be applied to the arc-shaped curtain track, so the existing automatic curtain traction scheme greatly limits the application of the automatic curtain. SUMMARY

[0003] The present application provides an automatic curtain cordless traction module, wherein the main traction device adopts a completely autonomous walking mode, thereby canceling the driving device at the end of the traditional automatic curtain track, which not only makes the structure more beautiful and practical, but also effectively avoids the failure problem caused by the breakage and wear of the traditional driving cable or belt.

[0004] In order to achieve the above purpose, the present application provides the following technical scheme: an automatic curtain cordless traction module, comprising: a curtain track, the bottom of the curtain track is provided with a sliding groove along the length direction, the inside of the curtain track is provided with a control groove corresponding to the top of the sliding groove, and the two sides corresponding to the top of the sliding groove are provided with a hanging wheel track, and the two sides corresponding to the middle of the sliding groove are provided with a positioning track; the control groove is embedded with an electrode sliding rail, and any one of the positioning tracks is embedded with a rack; a main traction device, the main traction device is located in the sliding groove, and the top center of the main traction device is provided with a brush group matched with the electrode sliding rail, the two sides of the main traction device corresponding to the brush group are provided with an upper pulley matched with the hanging wheel track, and the two sides of the middle of the main traction device are provided with a side pressure wheel abutting against the inner wall of the sliding groove; the main traction device is further provided with a driving plate electrically connected with the brush group, and a reduction motor electrically connected with the driving plate, and the output shaft of the reduction motor is provided with a driving gear meshing with the rack; the bottom of the main traction device is provided with a hanging hole; a control end cover, the control end cover is adapted to the two ends of the curtain track, and any one of the control end covers is provided with a control mainboard, the control mainboard is provided with a power adapter and a wireless communication module, and the control mainboard is electrically connected with the electrode sliding rail through a connector.

[0005] Preferably, the curtain rail is provided with mounting grooves along the length direction on both sides of the sliding groove, and decorative cover plates are movably arranged to close the mounting grooves; each control end cover is provided with a connecting plate extending into the mounting groove, and the control main plate is fixedly arranged on the connecting plate.

[0006] Preferably, the auxiliary traction device is arranged in the sliding groove, and upper pulleys are arranged on both sides of the top of the auxiliary traction device to cooperate with the hanging wheel rail; side pressing wheels are arranged on both sides of the middle of the auxiliary traction device to abut against the inner wall of the sliding groove; the auxiliary traction device further comprises a trigger rod penetrating along the length direction of the sliding groove; the main traction device is provided with an electric winding shaft, the electric winding shaft is electrically connected with the driving plate, and a traction line is connected between the trigger rod and the electric winding shaft.

[0007] Preferably, the auxiliary traction device is provided with a transversely extending locking groove corresponding to the rack, and an unlocking channel penetrating the locking groove along the length direction of the sliding groove; a spring locking block is arranged in the locking groove, the end of the spring locking block is provided with a tooth engaging with the rack, and the spring locking block is provided with a control hole corresponding to the unlocking channel; the trigger rod is arranged in the unlocking channel, and the two ends of the trigger rod are respectively provided with limiting blocks corresponding to the unlocking channel; the trigger rod penetrates the control hole, and the two sides of the control hole are respectively provided with unlocking inclined surfaces.

[0008] Preferably, the electric winding shaft is connected with the main traction device through a rotating table, and a winding spring and an angle sensor are arranged between the rotating table and the main traction device, and the angle sensor is electrically connected with the driving plate.

[0009] Preferably, a linear encoder is arranged between the main traction device and the electrode sliding rail, and the linear encoder is electrically connected with the driving plate.

[0010] Preferably, the main traction device is arranged in pairs in the curtain rail.

[0011] The present application has the advantages that: the curtain rail is fixedly installed on the roof, and a plurality of curtain sliding blocks are matched in the sliding groove, the main traction device is placed at one end of the curtain sliding blocks and connected with the corner of the curtain through the bottom hanging hole, in the working process, a signal is sent to the control mainboard by using a mobile phone or a remote controller, the control mainboard provides working power and an instruction signal to the main traction device through the electrode sliding rail and the brush group, the driving plate in the main traction device controls the operation of the speed reducer according to the received signal, in the working process of the speed reducer, the main traction device is driven to move in the curtain rail through the meshing of the driving gear and the rack, so that the opening and closing of the curtain are completed according to the control instruction. Since the main traction device adopts a completely autonomous walking mode, the driving device at the end of the traditional automatic curtain rail is cancelled, not only the structure is more beautiful and practical, but also the fault problem caused by the breakage and wear of the traditional driving pull rope or belt is effectively avoided. The installation groove is used for accommodating the installation screw and is shielded by the decorative cover plate, the control end cover is fixed with the installation groove through the connecting plate, and the control mainboard is fixed on the connecting plate, when the control mainboard is provided with an indicator light or a screen, the decorative cover plate can be provided with a corresponding window, so that the state information can be displayed. The auxiliary traction device is used for the tail of the curtain, realizes the movement and recovery of the curtain tail cloth to the head, that is, the curtain can freely change the position at both ends of the curtain rail. The auxiliary traction device can be locked at any position of the curtain rail through the cooperation of the teeth of the spring lock block and the rack, and will not be affected by external interference to cause the displacement of the curtain. When the main traction device pulls the auxiliary traction device through the traction line, the trigger rod is first pulled, and then the spring lock block is driven to unlock through the unlocking slope, so that the locking state between the teeth and the rack is released. At the same time, under the action of the running resistance, the trigger rod always keeps the tension state and drives the auxiliary traction device to move, until the main traction device stops working, the tension of the traction line is released, so that the spring lock block is locked with the rack again. When the auxiliary traction device drives all the curtain sliding blocks to be close to the main traction device, the auxiliary traction device cannot be pulled by the traction line, the rotating table rotates itself under the reaction force of the electric reel, and then is collected by the angle sensor, the driving plate stops the electric reel from continuing to work according to the feedback value of the angle sensor, so that the traction line and the electric reel are protected. In another scheme, the main traction device obtains the position on the curtain rail through the linear encoder, so as to realize the feedback of the position information and start and stop at the specified position on the curtain rail. When the main traction device is arranged in pairs, the driving plate can be individually recognized and controlled through the ID number, so as to realize the free opening and closing and position changing of the curtain on the curtain rail. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings described below only illustrate some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should fall within the scope of the present application.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0014] Figure 2 It is a partial structure sectional view of the present application.

[0015] Figure 3 It is a schematic diagram of the overall structure of the present application.

[0016] Figure 4 It is a partial structure sectional view of the present application.

[0017] Figure 5 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 6 It is a partial structure sectional view of the present application.

[0019] Figure 7 It is a schematic diagram of the overall structure of the present application.

[0020] In the figure: 1, curtain rail; 2, sliding groove; 3, control groove; 4, hanging wheel rail; 5, positioning rail; 6, electrode sliding rail; 7, rack; 8, main traction; 9, brush group; 10, upper pulley; 11, side pressure wheel; 12, speed reducer motor; 13, drive gear; 14, hanging hole; 15, control end cover; 16, mounting groove; 17, decorative cover plate; 18, auxiliary traction; 19, trigger rod; 20, electric reel; 21, traction line; 22, spring lock block; 23, unlocking channel; 24, control hole; 25, limiting block; 26, unlocking slope; 27, linear encoder; 28, drive plate; 29, angle sensor; 30, control mainboard; 31, turntable; 32, connecting plate; 33, power adapter; 34, wireless communication module. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely below in combination with the drawings of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should fall within the scope of the present application.

[0022] According to Figure 1 , Figure 2 , Figure 3 ,Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 As shown in FIGS. 1-5, an automatic curtain cordless traction module comprises a curtain rail 1, a sliding groove 2 is arranged at the bottom of the curtain rail 1 along the length direction, a control groove 3 is arranged at the top of the sliding groove 2 inside the curtain rail 1, a hanging wheel rail 4 is arranged at both sides of the top of the sliding groove 2, and a positioning rail 5 is arranged at both sides of the middle of the sliding groove 2; an electrode sliding rail 6 is embedded in the control groove 3, and a rack 7 is embedded in any one of the positioning rails 5; a main tractor 8 is located in the sliding groove 2, and an electric brush group 9 matched with the electrode sliding rail 6 is arranged at the top center of the main tractor 8, upper pulleys 10 matched with the hanging wheel rail 4 are arranged at both sides of the electric brush group 9 of the main tractor 8, and side pressure wheels 11 abutting against the inner wall of the sliding groove 2 are arranged at both sides of the middle of the main tractor 8; the main tractor 8 is further provided with a driving plate 28 electrically connected with the electric brush group 9, and a reduction motor 12 electrically connected with the driving plate 28, and an output shaft of the reduction motor 12 is provided with a driving gear 13 engaged with the rack 7; a hanging hole 14 is arranged at the bottom of the main tractor 8; control end covers 15 are fitted at both ends of the curtain rail 1, and a control main plate 30 is arranged in any one of the control end covers 15, the control main plate 30 is provided with a power adapter 33 and a wireless communication module 34, and the control main plate 30 is electrically connected with the electrode sliding rail 6 through a connector.

[0023] In the above arrangement, the curtain rail 1 is fixedly installed on the roof, and a plurality of curtain sliding blocks are matched in the sliding groove 2, the main tractor 8 is placed at one end of the curtain sliding blocks, and is connected with the corner of the curtain through the bottom hanging hole 14, in the working process, a signal is sent to the control main plate 30 by using a mobile phone or a remote controller, the control main plate 30 provides working power and an instruction signal to the main tractor 8 through the electrode sliding rail 6 and the electric brush group 9, the driving plate 28 in the main tractor 8 controls the reduction motor 12 to work according to the received signal, in the working process of the reduction motor 12, the main tractor 8 is driven to move in the curtain rail 1 through the meshing action of the driving gear 13 and the rack 7, so as to complete the opening and closing of the curtain according to the control instruction. Since the main tractor 8 adopts a completely autonomous walking mode, the driving device at the end of the traditional automatic curtain rail is cancelled, not only the structure is more beautiful and practical, but also the fault problem caused by the breakage and wear of the traditional driving pull rope or belt is effectively avoided.

[0024] The curtain rail 1 is provided with a mounting groove 16 on each side of the sliding groove 2 along the length direction, and a decorative cover plate 17 is movably arranged to close the mounting groove 16; each control end cover 15 is provided with a connecting plate 32 extending into the mounting groove 16, and the control main plate 30 is fixedly arranged on the connecting plate 32.

[0025] Through the arrangement, the mounting groove 16 is used to accommodate the mounting screw and is shielded by the decorative cover plate 17, the control end cover 15 is fixed to the mounting groove 16 through the connecting plate 32, and the control main plate 30 is fixed to the connecting plate 32; when the control main plate 30 is provided with an indicator lamp or a screen, the decorative cover plate 17 can be provided with a corresponding window, so as to facilitate the display of state information.

[0026] The auxiliary traction device 18 is arranged in the sliding groove 2, and the top of the auxiliary traction device 18 is provided with an upper pulley 10 on each side to cooperate with the hanging wheel rail 4, and the middle of the auxiliary traction device 18 is provided with a side pressure wheel 11 on each side to abut against the inner wall of the sliding groove 2; the auxiliary traction device 18 further comprises a trigger rod 19 penetrating along the length direction of the sliding groove 2; the main traction device 8 is provided with an electric winding shaft 20, the electric winding shaft 20 is electrically connected with the driving plate 28, and the trigger rod 19 is connected with the electric winding shaft 20 through a traction line 21.

[0027] The auxiliary traction device 18 in the above arrangement is used to collect the tail of the curtain, so as to realize the movement of the tail cloth of the curtain to the head for collection, that is, the curtain can be freely changed in position at both ends of the curtain rail 1.

[0028] The auxiliary traction device 18 is provided with a transversely extending lock groove corresponding to the rack 7, and an unlocking channel 23 penetrating the lock groove along the length direction of the sliding groove 2; a spring lock block 22 is arranged in the lock groove, the end of the spring lock block 22 is provided with a tooth engaging with the rack 7, the spring lock block 22 is provided with a control hole 24 corresponding to the unlocking channel 23; the trigger rod 19 is arranged in the unlocking channel 23, and the two ends of the trigger rod 19 are respectively provided with a limiting block 25 corresponding to the unlocking channel 23; the trigger rod 19 penetrates the control hole 24, and the two sides of the control hole 24 are respectively provided with an unlocking inclined surface 26.

[0029] In the arrangement, the auxiliary puller 18 can be locked at any position of the curtain rail 1 by the cooperation of the teeth of the spring lock block 22 and the rack 7, and will not be displaced by external interference. When the main puller 8 pulls the auxiliary puller 18 through the pulling line 21, the trigger lever 19 is first pulled, and then the spring lock block 22 is actuated by the unlocking slope 26 to release the locking state between the teeth and the rack 7. At the same time, under the action of the running resistance, the trigger lever 19 always keeps in a tension state and drives the auxiliary puller 18 to move until the main puller 8 stops working, the tension of the pulling line 21 is released, and thus the spring lock block 22 is locked with the rack 7 again.

[0030] The electric reel 20 is connected with the main puller 8 through the turntable 31, and the turntable 31 is provided with a winding spring and an angle sensor 29 between the main puller 8, and the angle sensor 29 is electrically connected with the driving board 28.

[0031] In the arrangement, when the auxiliary puller 18 drives all the curtain sliders to be close to the main puller 8, the auxiliary puller 18 cannot be pulled by the pulling line 21, and the turntable 31 rotates by itself under the reaction force of the electric reel 20, which is collected by the angle sensor 29. The driving board 28 stops the electric reel 20 from working according to the feedback value of the angle sensor 29, so as to protect the pulling line 21 and the electric reel 20.

[0032] As another scheme, the main puller 8 is provided with a linear encoder 27 between the main puller 8 and the electrode sliding rail 6, and the linear encoder 27 is electrically connected with the driving board 28. The main puller 8 is arranged in pairs in the curtain rail 1.

[0033] In the arrangement, the main puller 8 obtains the position on the curtain rail 1 through the linear encoder 27, so as to realize the feedback of the position information and start and stop at the specified position on the curtain rail 1. When the main puller 8 is arranged in pairs, the main puller 8 can be individually recognized and controlled through the ID number of the driving board 28, so as to realize the free opening and closing and position transformation of the curtain on the curtain rail 1.

[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An automatic curtain cordless traction module, characterized in that... ,include: The curtain track has a groove at its bottom along its length, a control groove inside the curtain track corresponding to the top of the groove, hanging wheel tracks on both sides corresponding to the top of the groove, and positioning tracks on both sides corresponding to the middle of the groove; an electrode track is embedded in the control groove, and a rack is embedded in any one of the positioning tracks; The main traction device is located within the chute. A brush assembly that mates with the electrode slide rail is located at the top center of the main traction device. Upper pulleys that mate with the hanging wheel rail are located on both sides of the main traction device corresponding to the brush assembly. Side pressure rollers that abut against the inner wall of the chute are located on both sides of the middle portion of the main traction device. The main traction device also includes a drive plate electrically connected to the brush assembly and a reduction motor electrically connected to the drive plate. The output shaft of the reduction motor has a drive gear that meshes with the rack. A hanging hole is located at the bottom of the main traction device. A control end cap is adapted to both ends of the curtain track, and a control main board is provided in each of the control end caps. The control main board is provided with a power adapter and a wireless communication module, and the control main board is electrically connected to the electrode slide rail through a connector. It also includes a secondary traction device, which is located inside the chute. The secondary traction device has upper pulleys on both sides of its top that cooperate with the hanging wheel track, and side pressure rollers on both sides of its middle part that abut against the inner wall of the chute. The secondary traction device also includes a trigger rod that runs through the length of the chute. The main traction device is equipped with an electric reel, which is electrically connected to the drive plate, and a traction line is connected between the trigger rod and the electric reel; The auxiliary traction device has a laterally extending locking groove corresponding to the rack, and an unlocking channel penetrating the locking groove along the length of the slide groove; a spring locking block is fitted inside the locking groove, the end of the spring locking block has teeth that mesh with the rack, and the spring locking block has a control hole corresponding to the unlocking channel; the trigger rod is fitted inside the unlocking channel, and both ends of the trigger rod have limiting blocks corresponding to the unlocking channel; the trigger rod passes through the control hole, and unlocking ramps are provided on both sides corresponding to the control hole.

2. The automatic curtain cordless traction module according to claim 1, characterized in that: The curtain track has mounting grooves on both sides of the groove along its length, and decorative cover plates that can be movably closed to the mounting grooves; each control end cover has a connecting plate extending into the mounting groove, and the main control board is fixedly mounted on the corresponding connecting plate.

3. The automatic curtain cordless traction module according to claim 1, characterized in that: The electric reel is connected to the main traction device via a turntable, and a coil spring and an angle sensor are provided between the turntable and the main traction device. The angle sensor is electrically connected to the drive plate.

4. The automatic curtain cordless traction module according to claim 1, characterized in that: A linear encoder is provided between the main traction device and the electrode slide rail, and the linear encoder is electrically connected to the drive board.

5. The automatic curtain cordless traction module according to claim 4, characterized in that: The main traction devices are installed in pairs within the curtain track.

Citation Information

Patent Citations

  • Electric curtain device

    CN2538233Y

  • Traction apparatus of curtain

    JP2015119941A