CN220469744U - Anti-falling driving device for ceiling curtain and ceiling curtain - Google Patents

Abstract

The utility model belongs to the technical field of ceiling curtains, and particularly relates to a ceiling curtain anti-falling driving device and a ceiling curtain. The curtain traction device comprises a driving assembly, a first transmission box, a second transmission box, a left transmission assembly, a right transmission assembly and a curtain traction clamp; the anti-falling rope comprises a fixed seat, a rope winding piece, an anti-falling rope and a tensioning assembly, wherein the rope winding piece is arranged on the fixed seat and can rotate relative to the fixed seat; the tensioning assembly connected to the curtain body traction clamp is added at the tail end of the anti-falling rope to enable the anti-falling rope to be kept in a straightened tensioning state, so that errors generated during manufacturing and installation of the anti-falling maintaining mechanism are eliminated, the anti-falling effect of the curtain body is avoided, the tensioning assembly is simple in structure, and the elastic effect of the elastic piece is utilized to enable the anti-falling rope to be directly connected.

Description

Anti-falling driving device for ceiling curtain and ceiling curtain

Technical Field

The utility model belongs to the technical field of ceiling curtains, and particularly relates to a ceiling curtain anti-falling driving device and a ceiling curtain with the same.

Background

The curtain body of a common ceiling curtain in the prior art uses a softer honeycomb curtain or a lily curtain, along with the increase of the width of the curtain body, the curtain body is heavy and easy to fall down when being unfolded or folded, in order to prevent the falling of the curtain body, the current ceiling curtain is mainly provided with one or more ropes in the frame or the curtain body by adding a supporting structure for keeping the curtain body from falling down, the current mode is generally that the frame is provided with one or more ropes along the moving direction of the curtain body, the ropes penetrate through the curtain body to play a role of guiding and supporting, but the mode has the defect that the ropes supported are exposed on the frame after the curtain body is folded. Another way is to hide the supported cord in the curtain body, and roll the cord along with the movement of the curtain body, but since the movement of the curtain body is horizontal after the ceiling curtain is installed, the automatic rolling of the cord needs to be realized by adding a relatively complex pulley block winding structure in the curtain body, which causes the increase of the installation and later maintenance cost.

Disclosure of Invention

The utility model aims to provide a ceiling curtain anti-falling driving device, which is used for keeping an anti-falling rope in a stretched and tensioned state by adding a tensioning assembly.

Based on the driving device, the utility model provides a ceiling curtain anti-falling driving device, which comprises a driving assembly, a first transmission box, a second transmission box, a left transmission assembly, a right transmission assembly and a curtain body traction clamp;

the left transmission assembly is arranged on the first transmission box, a left moving seat connected with the curtain body traction clamp is arranged on the left transmission assembly, the right transmission assembly is arranged on the second transmission box, and a right moving seat connected with the curtain body traction clamp is arranged on the right transmission assembly;

the curtain body traction clamp is used for being connected to the tail end of the curtain body, and the driving assembly is in transmission butt joint with the first transmission box and the second transmission box and used for driving the left transmission assembly and the right transmission assembly to act so that the curtain body traction clamp drives the curtain body to move;

still include the fixing base, locate but fixing base pivoted reel rope spare, anti-falling rope and tensioning assembly on the fixing base relatively, in the tensioning assembly locates the curtain body traction clamp, anti-falling rope twines and establishes on the reel rope spare and one end pass the curtain body with tensioning assembly connects, tensioning assembly includes the connecting seat and locates the elastic component on the connecting seat, anti-falling rope's end connection is in on the elastic component, tensioning assembly is used for making anti-falling rope keeps the state of straightening in the curtain body.

According to the anti-falling driving device for the ceiling curtain, the connecting seat is perpendicular to the moving direction of the curtain body, and the first lugs and the second lugs which are bent towards the moving direction of the curtain body are arranged on two sides of the connecting seat.

According to the anti-falling driving device for the ceiling curtain, one end of the elastic piece is connected to the second lug far away from the anti-falling rope and is arranged along the length direction of the connecting seat.

According to the anti-falling driving device for the ceiling curtain, the first lug is further provided with the notch, the anti-falling rope extends in the curtain body and along the moving direction of the curtain body, and is bent to the connecting seat from the notch of the first lug to be connected with the elastic piece.

The anti-falling driving device for the ceiling curtain is characterized in that the elastic piece is a spring.

The left transmission assembly comprises a left synchronous belt, left transmission teeth which are arranged in the first transmission box and meshed with the left synchronous belt for transmission, the right transmission assembly comprises a right synchronous belt, right transmission teeth which are arranged in the second transmission box and meshed with the right synchronous belt for transmission, and the outer diameter of the rope rolling piece is basically consistent with the outer diameters of the left transmission teeth and the right transmission teeth.

According to the anti-falling driving device for the ceiling curtain, the driving assembly is connected with the second transmission box through the first transmission part, the middle part of the rope rolling part is provided with the shaft holes penetrating through the two ends along the axial direction of the rope rolling part, the shaft holes are internally provided with the transmission connecting parts, and the first transmission part penetrates through the transmission connecting parts so that the driving assembly drives the curtain body traction clamp to move and simultaneously drives the rope rolling part to rotate.

According to the ceiling curtain anti-falling driving device, the transmission connecting portion is a polygonal hole, and the outer peripheral surface of the first transmission piece is polygonal matched with the transmission connecting portion.

According to the anti-falling driving device for the ceiling curtain, the rope outlet is further formed in the fixing seat, and one end of the anti-falling rope penetrates through the rope outlet and penetrates into the curtain body.

The utility model also provides a ceiling curtain, which comprises a front frame, a rear frame, a left guide rail frame and a right guide rail frame, wherein the left guide rail frame and the right guide rail frame are respectively connected to two sides of the front frame and the rear frame to form a ceiling curtain frame, and the ceiling curtain anti-falling driving device is arranged on the ceiling curtain frame.

The embodiment of the utility model has the following beneficial effects:

1. the utility model provides a ceiling curtain anti-falling driving device, wherein a curtain body is driven to be unfolded or folded by a curtain body traction clamp, a driving assembly can directly drive the curtain body traction clamp to move by a transmission assembly at two sides, an anti-falling retaining mechanism penetrates into the curtain body through an anti-falling rope and is connected to the curtain body traction clamp, when the driving assembly of the ceiling curtain drives the traction clamp to move, rope rolling parts of the anti-falling rope synchronously rotate, in addition, a tensioning assembly connected to the curtain body traction clamp is additionally arranged at the tail end of the anti-falling rope, and the anti-falling rope is kept in a straightened and tensioned state by an elastic piece, so that the effect of preventing falling from loosening and collapsing of the curtain body is achieved.

2. The utility model compensates the long and short errors generated during the manufacture or installation of the anti-falling rope through the elastic piece, thereby achieving the effect of automatic error compensation.

3. The utility model absorbs the winding and unwinding tension of the rope rolling piece through the elastic piece, and has good buffering and protecting effects on the rope rolling piece and the anti-falling rope.

4. The utility model also provides a ceiling curtain which adopts the anti-falling driving device for the ceiling curtain, so that the anti-falling driving device has the same beneficial effects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a roof curtain fall protection drive arrangement of the present utility model;

FIG. 2 is a schematic view of a fall arrest retention mechanism;

FIG. 3 is a schematic view of the tensioning assembly of FIG. 2;

FIG. 4 is a block diagram of the fall arrest retention mechanism of FIG. 2;

FIG. 5 is a schematic view of the other view of FIG. 4;

FIG. 6 is a schematic view of the rope reel of FIG. 4;

FIG. 7 is a schematic view of the fall arrest retention mechanism attached to a ceiling curtain;

FIG. 8 is a schematic structural view of a fixing base;

fig. 9 is an exploded view of a roof curtain according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 8, an embodiment of the present utility model provides a roof curtain fall prevention driving device, which includes a driving assembly 3, a first transmission case 4, a second transmission case 5, a left transmission assembly, a right transmission assembly, and a curtain traction clip 191; the left transmission assembly is arranged on the first transmission box 4, the left transmission assembly is provided with a left moving seat 133 connected with the curtain traction clamp 191, the right transmission assembly is arranged on the second transmission box 5, and the right transmission assembly is provided with a right moving seat 143 connected with the curtain traction clamp 191; the curtain body traction clamp 191 is used for being connected to the tail end of the curtain body 19, and the driving component 3 is in transmission butt joint with the first transmission box 4 and the second transmission box 5 and is used for driving the left transmission component and the right transmission component to act so that the curtain body traction clamp 191 drives the curtain body 19 to move; the driving component can directly drive the curtain body traction clips to move through the transmission components at two sides, and the curtain body is driven to be unfolded or folded through the curtain body traction clips 191.

In addition, because the ceiling curtain is horizontally placed in daily use and the curtain body moves on a horizontal plane, in order to keep the curtain body not to drop when being unfolded or folded, the embodiment of the utility model is also added with an anti-drop retaining mechanism, which comprises a fixed seat 61, a rope rolling piece 62 which is arranged on the fixed seat 61 and can rotate relative to the fixed seat 61, an anti-drop rope 63 and a tensioning assembly 64; because the rope rolling piece 62 of this scheme adopts the mode that drives the pivoted through the drive, keeps the synchronous curtain of receipts of preventing weighing down rope 63 remove in order to reach the effect of preventing weighing down, and because when production and installation, can produce the error, so the length of preventing weighing down rope 63 is difficult to through installation control, if overlength, can lead to preventing weighing down effect poor, and this scheme solves this problem through increasing tensioning assembly at preventing weighing down rope 63 end.

In this scheme, fixing base 61 is used for the location to install on front frame 11, tensioning assembly 64 locates in the curtain traction clamp 191, prevent weighing down rope 63 twines and establishes on the rope rolling member 62 and one end pass the curtain 19 with tensioning assembly 64 is connected, tensioning assembly 64 includes connecting seat 641 and locates the elastic component 642 on the connecting seat 641, prevent weighing down rope 63's end connection is in on the elastic component 642, rope rolling member 62 is used for being connected with drive assembly so that prevent weighing down rope 63 receive and releases, tensioning assembly 64 is used for making prevent weighing down rope 63 keeps the state of straightening in the curtain 19. The tensioning assembly is simple in structure, and the anti-falling rope is directly connected by utilizing the elastic effect of the elastic piece. In addition, the anti-falling rope is kept in a straightened and tensioned state through the elastic piece, so that the curtain body achieves the effect of preventing falling from loosening.

In addition, the elastic piece compensates the long and short errors generated during the manufacturing or installation of the anti-falling rope, so that the effect of automatic error compensation is achieved. The anti-falling rope is further kept in a stretched and tensioned state, and the elastic piece absorbs the winding and unwinding tension of the rope winding piece, so that good buffering and protecting effects can be achieved on the rope winding piece and the anti-falling rope.

In the embodiment of the utility model, the specific structure of the tensioning assembly is as follows: the connection seat 641 is perpendicular to the moving direction of the curtain body, and a first lug 6411 and a second lug 6412 bent towards the moving direction of the curtain body are arranged on two sides of the connection seat 641. One end of the falling preventing string 63 extends to the curtain traction grip 191 in the moving direction of the curtain and is folded toward one side of the connection seat 641 to be connected to the elastic member 642. Namely, the anti-falling rope 63 is arranged in an L shape, and the arrangement mode ensures that the anti-falling rope 63 can always keep a straight line section with the same moving direction as the curtain body, and the straight line section has the anti-falling effect of supporting the curtain body. In addition, the anti-falling rope 63 can be tensioned in advance when the anti-falling rope is convenient to install, and the direction of the compensation length of the anti-falling rope is positioned in the direction perpendicular to the moving direction of the curtain body, so that the anti-falling effect of the straight line section of the anti-falling rope is not affected.

Specifically, in the embodiment of the present utility model, one end of the elastic member 642 is connected to the second lug 6412 remote from the fall preventing string 63 and disposed along the length direction of the connection seat 641. The structure is simple, and the two bent first lugs 6411 and the two bent second lugs 6412 form a mounting connection structure, so that the elastic elements 642 can be conveniently assembled and the anti-falling rope 63 can be positioned and mounted.

In the embodiment of the present utility model, the first lug 6411 is further provided with a notch, and the anti-falling cord 63 extends in the curtain body and along the moving direction of the curtain body, and is bent from the notch of the first lug 6411 to the connecting seat 641 to be connected with the elastic member 642. In this embodiment, the elastic member 642 is a spring. The anti-falling rope 63 is simple in structure, and can be kept in a straightened and tensioned state, so that the anti-falling effect is improved.

In addition, in the embodiment of the present utility model, in order to ensure that the anti-falling cord is not excessively wound up, the linear speed of winding up and unwinding the anti-falling cord 63 of the cord winding member 62 is consistent with the moving speed of the curtain 19. The difference between this solution and the conventional solution is that the power of releasing the conventional anti-falling rope 63 needs to rely on the curtain traction clamp 191, which can be understood that the curtain traction clamp 191 pulls one end of the anti-falling rope 63 to rotate the rope winding part 62, and the rope winding part 62 is rotated by separate driving, so that only the rotational linear speed of the rope winding part, that is, the releasing and winding speed is consistent with the moving speed of the curtain 19, is required. Of course, this speed is the linear speed of the fall arrest cord 63. In this scheme, the curtain body and the rope rolling piece are driven by the driving component 3, in this scheme, the driving component 3 can comprise a plurality of independent motors to independently drive the curtain body to move and independently drive the rope rolling piece to rotate, and only the synchronization of the driving action is ensured.

To make the structure simpler, in the embodiment of the present utility model, the driving of the cord rolling member 62 is the same set of driving members as the driving of the movement of the curtain. The driving assembly is used for being connected with the transmission case and is also connected with the rope winding piece, and the specific structure is that the driving assembly 3 is connected with the second transmission case 5 through a first transmission piece 39, a shaft hole 6201 penetrating through two ends along the axial direction of the rope winding piece 62 is arranged in the middle of the rope winding piece 62, a transmission connecting portion 621 is arranged in the shaft hole 6201, and the first transmission piece 39 penetrates through the transmission connecting portion 621 so that the driving assembly 3 drives the curtain traction clamp 191 to move and simultaneously drives the rope winding piece 62 to rotate. The winding part is ensured to retract the anti-falling rope 63 along with the forward and reverse rotation of the motor, so that the anti-falling rope is consistent with the unfolding and retraction of the curtain body, and the anti-falling rope is simple in structure and convenient to install and use.

The transmission connection portion 621 is a polygonal hole, and the outer peripheral surface of the first transmission member 39 is a polygonal shape that mates with the transmission connection portion 621. The structure is simple, and the matching installation is convenient.

In the embodiment of the present utility model, the inner peripheral wall of the shaft hole 6201 near the end portion is provided with a rope fixing hole 6200 penetrating to the outer peripheral surface. The rope fixing hole 6200 facilitates fixing one end of the fall preventing rope 63 so that it can be wound on the outer circumferential surface of the rope reel 62 better.

In the embodiment of the present utility model, the rope fixing holes 6200 are formed in the two sides of the shaft hole 6201 near the end portions, and two rope outlets 611 are formed in the fixing seat 61. Because this scheme is through the drive assembly drive curtain body removal and the rotation of rope rolling member, and drive assembly 3 can install in one side of first transmission case 4, also can install in one side of second transmission case 5, is equivalent to according to the installation scene can be in the both sides of installing at fixing base 61. In order to adapt to the installation mode, the two rope outlets 611 and rope fixing holes 6200 are also arranged in the scheme, which can be understood as being symmetrically arranged on the fixed seat 61, so that the anti-falling rope 63 can be installed in different positions and in different directions of the driving assembly 3, and the rolling-up of the anti-falling rope 63 is consistent with the moving direction of the curtain body.

Specifically, the fixing base 61 is provided with an installation opening 6101 through which the rope winding member 62 passes, and two ends of the rope winding member 62 extend outwards from two sides of the installation opening 6101 after being installed, so that the two rope outlet 611 are also provided in the scheme to facilitate installation and use of the anti-falling rope 63. Specifically, since the rope winding member 62 is installed and then extends from two sides of the installation opening 6101, and the anti-falling rope 63 can only be wound on the rope winding member 62 exposed at the left side of the installation opening or the rope winding member 62 exposed at the right side of the installation opening, the rope outlet 611 through which the anti-falling rope 63 is pulled out is provided on two corresponding sides of the scheme, that is, one end of the anti-falling rope 63 is fixed on the rope fixing hole 6200 on the left side and the other end of the anti-falling rope 63 is pulled out from the rope outlet 611 near the left side, or one end of the anti-falling rope 63 is fixed on the rope fixing hole 6200 on the right side and the other end of the anti-falling rope 63 is pulled out from the rope outlet 611 near the right side.

In addition, in the embodiment of the present utility model, a connection bump 610 extending downward is further disposed at the bottom of the fixing seat 61. The connection bump 610 facilitates the fast installation of the fixing base 61, for example, in this embodiment, a plurality of holes may be formed in the front frame 11, which may be used for the falling-preventing rope 63 to pass through, or for the connection bump 610 to be snapped into installation.

In the embodiment of the present utility model, in order to better keep the rope unwinding and winding speed consistent with the moving speed of the curtain 19, the left transmission assembly includes a left synchronous belt 131, a left transmission tooth 132 disposed in the first transmission case 4 and meshed with the left synchronous belt 131 for transmission, the right transmission assembly includes a right synchronous belt 141, a right transmission tooth 142 disposed in the second transmission case 5 and meshed with the right synchronous belt 141 for transmission, and the outer diameter of the rope winding member 62 is substantially consistent with the outer diameters of the left transmission tooth 132 and the right transmission tooth 142. In this embodiment, the outer diameter is substantially the same as the outer circumference of the rope winding member 62, the left driving tooth 132 and the right driving tooth 142 contacted with the synchronous belt, so as to ensure that the outer circumferences have the same linear velocity when the three rotate at the same speed, and the rope winding and unwinding speed is kept consistent with the moving speed of the curtain 19. Of course, since the rope winding member 62 has a rope winding groove or a thread groove formed in its surface into which the anti-falling rope 63 is inserted, the outer diameter is substantially uniform, and the diameter of the rope winding groove or the thread groove is not the outermost diameter of the rope winding member 62 (i.e., the groove wall height is not calculated).

In the embodiment of the present utility model, the rope reel 62 has a long cylindrical shape, and the anti-falling rope 63 is wound around the outer circumference of the rope reel 62. The structure is simple, and the installation and the use are convenient.

In addition, according to one of the features of the present utility model, a spiral groove extending in the axial direction is provided on the outer circumference of the rope winding member 62, and the fall preventing rope 63 is wound around the spiral groove. The anti-falling rope 63 can be wound on the outer surface of the rope winding piece 62 as much as possible, and the anti-falling rope 63 is mainly beneficial in that after being wound, the anti-falling rope 63 is wound on the surface of the rope winding piece 62, a wire groove is not required to be formed by adding baffles on two sides like the existing rope winding piece, so that the outer diameter size of the rope winding piece 62 can be smaller, and the anti-falling rope is convenient to assemble and use in a narrow space.

In this solution, the fixing seat 61 is further provided with a rope outlet 611, and one end of the anti-falling rope 63 penetrates into the curtain body through the rope outlet 611. The simple mechanism is beneficial to keeping the rope outlet direction of the anti-falling rope 63, thereby preventing the anti-falling rope from easily deviating in the winding process.

As shown in fig. 9, the present utility model further provides a roof curtain, which includes a front frame 11, a rear frame 12, a left guide rail frame 13 and a right guide rail frame 14, wherein the left guide rail frame 13 and the right guide rail frame 14 are respectively connected to two sides of the front frame 11 and the rear frame 12 to form a roof curtain frame, and the roof curtain frame is provided with the roof curtain anti-falling driving device. The anti-falling driving device for the ceiling curtain has the same beneficial effects.

The utility model provides a ceiling curtain anti-falling driving device, wherein a lower baffle plate is additionally arranged after a ceiling curtain frame is installed, after the lower baffle plate is installed and fixed, an abutting part of the lower baffle plate can abut against the inner front side of an installation position, and a baffle plate part is positioned at the lower side of a front frame, so that even if the ceiling curtain frame has a gap between the front frame and the inner front side of the installation position after installation due to size problems, the baffle plate part can play a role in blocking, thereby playing a role in adjusting the installation size, and the ceiling curtain can be more consistent with the integrity of an installation scene after installation.

The utility model provides a ceiling curtain anti-falling driving device, wherein a curtain body is driven to be unfolded or folded by a curtain body traction clamp, a driving assembly can directly drive the curtain body traction clamp to move by a transmission assembly at two sides, an anti-falling retaining mechanism penetrates into the curtain body through an anti-falling rope and is connected to the curtain body traction clamp, when the driving assembly of the ceiling curtain drives the traction clamp to move, a rope rolling piece of the anti-falling rope synchronously rotates, and in addition, a tensioning assembly connected to the curtain body traction clamp is additionally arranged at the tail end of the anti-falling rope so as to enable the anti-falling rope to be kept in a stretched and tensioned state, thereby eliminating errors generated by the anti-falling retaining mechanism during manufacturing and installation, avoiding affecting the anti-falling effect of the curtain body.

It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model. Furthermore, references to orientations or positional relationships of the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc. are based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

While the foregoing is directed to the preferred embodiments of the present utility model, it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and variations are to be regarded as being within the scope of the utility model.

Claims (10)

1. The anti-falling driving device for the ceiling curtain is characterized by comprising a driving assembly (3), a first transmission box (4), a second transmission box (5), a left transmission assembly, a right transmission assembly and a curtain body traction clamp (191);

the left transmission assembly is arranged on the first transmission box (4), a left moving seat (133) connected with the curtain body traction clamp (191) is arranged on the left transmission assembly, the right transmission assembly is arranged on the second transmission box (5), and a right moving seat (143) connected with the curtain body traction clamp (191) is arranged on the right transmission assembly;

the curtain body traction clamp (191) is used for being connected to the tail end of the curtain body (19), the driving assembly (3) is in transmission butt joint with the first transmission box (4) and the second transmission box (5) and is used for driving the left transmission assembly and the right transmission assembly to act so that the curtain body traction clamp (191) drives the curtain body (19) to move;

still include fixing base (61), locate but fixing base (61) pivoted reel rope spare (62), anti-falling rope (63) and tensioning assembly (64) on fixing base (61), in curtain traction clamp (191) are located to tensioning assembly (64), anti-falling rope (63) twine and establish on reel rope spare (62) and one end pass curtain (19) with tensioning assembly (64) are connected, tensioning assembly (64) include connecting seat (641) and locate elastic component (642) on connecting seat (641), the end connection of anti-falling rope (63) is in on elastic component (642), tensioning assembly (64) are used for making anti-falling rope (63) keep the state of straightening in curtain (19).

2. The driving device for preventing falling of a ceiling curtain according to claim 1, wherein the connection base (641) is disposed perpendicular to the moving direction of the curtain body, a first lug (6411) and a second lug (6412) which are bent towards the moving direction of the curtain body are disposed on two sides of the connection base (641), and one end of the falling preventing rope (63) extends onto the traction clamp (191) of the curtain body along the moving direction of the curtain body and is connected with the elastic element (642) on one side which is bent towards the connection base (641).

3. A roof curtain fall protection driving device according to claim 2, wherein one end of the elastic member (642) is connected to a second lug (6412) remote from the fall protection cord (63) and disposed along the length direction of the connection seat (641).

4. A driving device for preventing falling of a ceiling curtain according to claim 3, wherein the first lug (6411) is further provided with a notch, and the falling preventing rope (63) extends in the curtain body and along the moving direction of the curtain body, and is bent from the notch of the first lug (6411) to the connecting seat (641) to be connected with the elastic member (642).

5. A roof curtain fall arrest driving arrangement as claimed in any one of claims 1 to 4, wherein the resilient member (642) is a spring.

6. The anti-falling driving device for a ceiling curtain according to claim 5, wherein the left driving assembly comprises a left synchronous belt (131), left driving teeth (132) which are arranged in the first driving box (4) and meshed with the left synchronous belt (131), the right driving assembly comprises a right synchronous belt (141), right driving teeth (142) which are arranged in the second driving box (5) and meshed with the right synchronous belt (141), and the outer diameter of the rope rolling piece (62) is basically consistent with the outer diameters of the left driving teeth (132) and the right driving teeth (142).

7. The anti-falling driving device for the ceiling curtain according to claim 6, wherein the driving component (3) is connected with the second transmission case (5) through a first transmission part (39), a shaft hole (6201) penetrating through two ends along the axial direction of the middle part of the rope rolling component (62) is arranged, a transmission connecting part (621) is arranged in the shaft hole (6201), and the first transmission part (39) penetrates through the transmission connecting part (621) so that the driving component (3) drives the curtain traction clamp (191) to move and simultaneously drives the rope rolling component (62) to rotate.

8. The roof curtain fall protection driving device according to claim 7, wherein the transmission connection portion (621) is a polygonal hole, and the outer peripheral surface of the first transmission member (39) is a polygonal shape mated with the transmission connection portion (621).

9. The anti-falling driving device for the ceiling curtain according to claim 5, wherein the fixing seat (61) is further provided with a rope outlet (611), and one end of the anti-falling rope (63) penetrates into the curtain body through the rope outlet (611).

10. A roof curtain, characterized by comprising a front frame (11), a rear frame (12), a left guide rail frame (13) and a right guide rail frame (14), wherein the left guide rail frame (13) and the right guide rail frame (14) are respectively connected to two sides of the front frame (11) and the rear frame (12) to form a roof curtain frame, and the roof curtain frame is provided with the roof curtain anti-falling driving device as claimed in any one of claims 1 to 9.