CN220769331U - Driving mechanism suitable for roller shutter - Google Patents

Abstract

The utility model provides a driving mechanism suitable for a roller shutter, which comprises a frame, a rope winder, a wire pulling guide wheel, a wire pulling first, a wire pulling second, a wire pulling tensioner and a reel, wherein the rope winder, the wire pulling guide wheel, the wire pulling first, the wire pulling second, the wire pulling tensioner and the reel are all arranged in the frame, one end of the wire pulling is fixed on the rope winder, the other end of the wire pulling is fixed after passing through the wire pulling tensioner and the wire pulling guide wheel, one end of the wire pulling second is fixed on the rope winder, the other end of the wire pulling second is fixed after passing through the wire pulling tensioner and the wire pulling guide wheel.

Description

Driving mechanism suitable for roller shutter

Technical Field

The utility model relates to the field of roller shutter driving equipment, in particular to a driving mechanism suitable for a roller shutter.

Background

The roller shutter has the functions of dust prevention, ventilation, mosquito and fly prevention, heat preservation, sun shading, good storage and space saving. The automatic rolling curtain is convenient, the grade is displayed and clean. The conventional roller shutter driving has the following problems: 1. the rolling spring mode is used for pulling the curtain cloth rolling spring to bear force when the curtain cloth is opened, and rolling the curtain cloth by the force of the spring when the curtain cloth is rolled, so that the reliability of the spring is very low, and the problems that the rolling cannot be completed due to the attenuation of the spring force, the clamping easily occurs, the tensioning force is insufficient, the rolling speed cannot be too high, and only the thin soft curtain cloth can be rolled can be solved; 2. when the balance weight moves up and down, the spring is arranged in the scroll, the weight of the balance weight moving frame and the force of the spring counteract, a person can easily push and pull the roller shutter, but the reliability of the spring is very low, the problems of unreeling, blocking and the like cannot occur, the motor drives the scroll to unreel, the balance weight moving frame pulls the curtain cloth to descend by the weight when the motor moves downwards, the motor drives the scroll when the motor moves upwards, the curtain cloth is driven by the scroll to ascend, the problem that the motor needs very large torque force to pull the curtain cloth occurs, the running speed is very slow due to the large torque force of the motor, the cloth must be flexible enough to be difficult to break, blocking and the curtain cloth is damaged when single-side stress occurs or resistance is encountered. 3. The curtain is rolled by two motors, one motor is rolled, the other motor is unrolled, then the curtain is tensioned by the two motors in a matched mode, the curtain is high in cost, large in occupied space and large in difficulty in control and matching, and the curtain cannot be used due to the fact that one motor is problematic. 4. Some are stay wires and soft connection modes of springs, because the diameter of a reel is changed, the pulling distance of the stay wires is inconsistent with the diameter change of the reel, when the curtain cloth is tight, the curtain cloth is loose, although the force of the springs is used for making up, the cloth is tensioned, but the force of the springs is attenuated, the actual soft connection is realized, the resistance is blocked, the reel is not tight, only the soft curtain cloth can be rolled, and the hard curtain cloth cannot be rolled. 5. The motor of the electric roller shutter is arranged in the scroll and in the frame, and the torsion and the opening and closing speed can be limited due to the limitation of space.

Disclosure of Invention

In order to solve the problems, the utility model provides a driving mechanism suitable for a roller shutter, which has reasonable structure and solves the problems.

The technical scheme of the utility model is as follows: the driving mechanism suitable for the roller blind comprises a frame, a rope winder, a wire pulling guide wheel, a wire pulling first, a wire pulling second, a wire pulling tensioner and a scroll, wherein the rope winder, the wire pulling guide wheel, the wire pulling first, the wire pulling second, the wire pulling tensioner and the scroll are all arranged in the frame;

the wire tensioning device also comprises a wire tensioning guide wheel I, wherein the wire tensioning guide wheel I is arranged in the frame, and one end of the wire tensioning device II passes through the wire tensioning device, the wire tensioning guide wheel I and then is fixed;

the driving assembly comprises a driving motor, a driving gear, a first transition gear, a second transition gear, a driven gear and a universal coupling, wherein the driving motor is connected with the driving gear through the universal coupling, the driving gear is connected with the driven gear through the first transition gear and the second transition gear, and the driven gear is arranged at the lower end of the reel device and the upper end of the reel;

optionally, the wire stretcher comprises a first fixed wheel, a tensioning wheel, a second fixed wheel and a fixing piece, wherein the tensioning wheel is fixed in the upper frame by the fixing piece, and the first fixed wheel and the second fixed wheel are respectively arranged on two sides of the tensioning wheel;

optionally, the rope winder is of a cone-shaped or tower-shaped structure, two ends of the rope winder are respectively of diameters different in size, one end of the rope winder is of a large diameter, and the other end of the rope winder is of a small diameter.

Optionally, the frame comprises an upper frame, a left frame, a right frame, a moving frame, an induction probe and/or a lower frame, wherein one or two moving frames are provided;

optionally, a rope winder, a wire guide wheel, a wire first, a wire second and a wire tensioner are arranged in the upper frame, a wire first guide wheel is arranged in the lower frame, one end of the wire is fixed on the rope winder, the other end of the wire passes through the wire tensioner and the wire guide wheel and then is connected with the upper end of the movable frame, one end of the wire second is fixed on the rope winder, and the other end of the wire second passes through the wire tensioner, the wire guide wheel and the wire guide wheel first and then is connected with the lower end of the movable frame, so that the opening and closing can be completed after the wire second is pushed and pulled by the movable frame;

optionally, a plurality of driving assemblies are arranged in the frame, at least one driving assembly is arranged, driving motors are respectively arranged on the left frame and/or the right frame, an inductive probe is arranged on the outer side of the upper frame, the inductive probe is connected with the driving motors through a circuit, the driving motors are connected with a driving gear through a universal coupling and drive the driving gear to rotate, the driving gear drives a driven gear to rotate through a first transition gear and a second transition gear, so that a reel and a reel are driven to rotate, the reel rotates to drive a first stay wire to stretch along a stay wire tensioner, a stay wire guide wheel to stretch, and a second stay wire to stretch along the stay wire tensioner, the stay wire guide wheel to stretch along the first stay wire guide wheel to rotate to drive the roller shutter to stretch;

optionally, when the number of the moving frames is one, the number of the driving assemblies is one or two, when the number of the driving assemblies is one, the driving motors in the driving assemblies are arranged on the left frame or the right frame, and when the number of the driving assemblies is two, the driving assemblies are mutually symmetrically fixed, and the driving motors in the driving assemblies are respectively arranged on the left frame and the right frame;

optionally, when the driving assembly is one, the rope winder, the wire guide wheel, the wire first, the wire second, the wire tensioner and the wire guide wheel are respectively one or two, when the rope winder, the wire guide wheel, the wire first, the wire second, the wire tensioner and the wire guide wheel are respectively one, the rope winder, the wire guide wheel, the wire first, the wire second and the wire tensioner are arranged in the upper frame, the wire guide wheel first is arranged in the lower frame, one end of the wire is fixed on the rope winder, the other end of the wire passes through the wire tensioner and the wire guide wheel and then is connected with the upper end of the movable frame, one end of the wire second is fixed on the rope winder, and the other end of the wire second passes through the wire tensioner, the wire guide wheel and the wire guide wheel first and then is connected with the lower end of the movable frame; when the two rope winders, the first rope winding guide wheel, the second rope winding and the second rope winding tensioner are respectively arranged, the first rope winder, the first rope winding guide wheel, the first rope winding and the second rope winding tensioner are respectively arranged in the lower frame, the installation positions of the installation parts are the same as the installation positions of the upper frame, and the installation parts are mutually symmetrical;

optionally, when the driving assembly is two, at least two rope winders, wire pulling guide wheels, wire pulling first, wire pulling second, wire pulling tensioners and wire pulling guide wheels are arranged;

optionally, a reel is arranged in the left frame and/or the right frame, and a coil spring is arranged in the reel;

optionally, the first stay wire slides along the upper end of the first fixed wheel, the lower end of the tensioning wheel and the upper end of the second fixed wheel, the tensioning wheel is stressed, and the fixing piece is used for tensioning the stay wire, so that the rope winder and the first stay wire run more stably;

compared with the prior art, the utility model has the beneficial effects that: the curtain cloth winding is rational in infrastructure, and open state and packing up the state and all be the tight state, realize being hard connection, the effect of wind spring, offset the flattening power of hard material and the tensioning force of rolling up the curtain, push-and-pull light laborsaving when can making manual, driving motor is laborsaving when automatic, along with drawing along with stopping, avoid appearing blocking, spring elasticity decay tension is not tight, the back push rate is limited, the rolling up curtain is hard material condition such as rolling up motionless, the motor also can install in the outside, just so not influenced by space, torsion, speed.

Drawings

The utility model is further illustrated with reference to the following figures:

FIG. 1 is a block diagram of the present utility model in use with two drive assemblies and four rope reels;

FIG. 2 is a cross-sectional block diagram of the upper frame of FIG. 1 in accordance with the present utility model;

FIG. 3 is a block diagram showing the use of the present utility model with two drive assemblies and two rope reels;

FIG. 4 is a cross-sectional structural view of the upper frame of FIG. 3 in accordance with the present utility model;

FIG. 5 is a view showing a construction of the present utility model in a state of use in which a driving assembly and a rope reel are installed;

FIG. 6 is a cross-sectional structural view of the upper frame of FIG. 5 in accordance with the present utility model;

FIG. 7 is a block diagram of the upper frame mounted drive assembly and the rope reel of the present utility model with the lower frame mounted rope reel;

FIG. 8 is a cross-sectional structural view of the upper frame of FIG. 7 in accordance with the present utility model;

FIG. 9 is a view showing a structure of a state in which a driving motor is connected to a rope reel according to the present utility model;

FIG. 10 is a view showing the construction of the coupling according to the present utility model in a use state;

FIG. 11 is a block diagram of the rope reel of the present utility model;

FIG. 12 is a block diagram of the rope reel of the present utility model;

FIG. 13 is a view showing a construction of a double roller blind according to the present utility model in a use state;

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13: the wire winder 3, the wire guide wheel 4, the wire first 5, the wire second 6, the wire tensioner 7, the reel 8, the wire guide wheel first 41, the driving motor 1, the driving gear 11, the transition gear first 13, the transition gear second 14, the driven gear 12, the universal coupling 16, the fixed wheel first 71, the tensioning wheel 72, the fixed wheel second 73, the fixing piece 74, the upper frame A1, the left frame A3, the right frame A4, the moving frame A5, the lower frame A2 and the coil spring 9.

Detailed Description

The present utility model will be described in further detail with reference to the drawings, which are only for the purpose of illustrating the utility model, and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "up and down," "left and right" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13, the rope winder 3 has a tapered structure, two ends of the rope winder are cylinders with different sizes, the upper end of the rope winder is a large cylinder, and the lower end of the rope winder is a small cylinder. One end of the rolling curtain is wound on the scroll, and the other end of the rolling curtain is fixed on the movable frame. When the movable frame drives the rolling curtain to open, the diameter of the scroll is reduced slightly, the diameter of the upper end of the rope rolling device is consistent with the diameter of the scroll for rolling up the rolling curtain, the diameter of the lower end of the rope rolling device is consistent with the diameter of the scroll core for rolling up the rolling curtain, when the rolling curtain is opened, the stay wire is positioned at the uppermost end of the rope rolling device, namely at the position with the largest diameter of the rope rolling device, the movable frame moves to drive the rolling curtain to stretch, and the stay wire is rolled from the position with the largest diameter of the rope rolling device to the position with the smallest diameter, so that the rolling curtain is always in a tensioning state, and the opening is completed. When the pull wire is closed, the pull wire is rolled from the position with the smallest diameter to the position with the largest diameter of the rope rolling device, and the length of the reel rolled into the rolling curtain is equal to the length of the pull wire pulled out by the pull wire. The conditions of blocking, loose spring force attenuation and hard rolling of the rolling curtain are avoided, and the rolling curtain is not influenced by push-pull speed. The placement position of the rope winder can be changed according to the installation environment.

Example 1

When the number of the movable frames A5 is one, when the driving assembly is one, a driving motor 1 in the driving assembly is arranged on a left frame A3 or a right frame A4, when the number of the rope winding device 3, the rope winding guide wheel 4, the first wire 5, the second wire 6, the rope winding tensioner 7 and the first wire guide wheel 41 is one, the rope winding device 3, the rope winding guide wheel 4, the first wire 5, the second wire 6 and the rope winding tensioner 7 are arranged in the upper frame A1, the first wire guide wheel 41 is arranged in the lower frame A2, one end of the first wire 5 is fixed on the rope winding device 3, the other end of the first wire 5 passes through the rope winding tensioner 7 and the rope winding guide wheel 4 and then is connected with the upper end of the movable frame A5, one end of the second wire 6 is fixed on the rope winding device 3, and the other end of the second wire 6 passes through the rope winding tensioner 7, the rope winding guide wheel 4 and the first wire guide wheel 41 and then is connected with the lower end of the movable frame A5;

the stay wire tensioner 7 is connected with the tensioning wheel 72 through a fixing piece 74, and a first fixing wheel 71 and a second fixing wheel 73 are respectively arranged on two sides of the tensioning wheel 72; the first stay wire 5 slides along the upper end of the first fixed wheel 71, the lower end of the tensioning wheel 72 and the upper end of the second fixed wheel 73, the tensioning wheel 72 is stressed, and the tension is given to the stay wire through the fixing piece 74, so that the rope winder 3 and the first stay wire 5 are tensioned; the driving motor 1 is connected with a driving gear 11 through a universal coupling 16, the driving gear 11 is connected with a driven gear 12 through a first transition gear 13 and a second transition gear 14, and the driven gear 12 is arranged at the lower end of the rope winder 3 and the upper end of the reel 8;

the driving motor 1 is started, the driving gear 11 is connected with and drives the driving gear 11 to rotate through the universal coupling 16, the driving gear 11 drives the driven gear 12 to rotate through the first transition gear 13 and the second transition gear 14, so that the rope winder 3 and the reel 8 are driven to rotate synchronously, the first pull wire 5 and the second pull wire 6 slide along the upper end of the first fixed wheel 71, the lower end of the tensioning wheel 72 and the upper end of the second fixed wheel 73, the tensioning wheel 72 is stressed, the tension wheel 74 is used for giving tension to the pull wire, the rope winder 3 and the first pull wire 5 are tensioned, and the second pull wire 6 runs more stably to pull the opening and closing of the movable frame A5.

Example 2

On the basis of the embodiment 1, when the rope winder 3, the wire guide wheel 4, the wire first 5, the wire second 6 and the wire tensioner 7 are respectively two, the first rope winder 3, the wire guide wheel 4, the wire first 5 and the wire tensioner 7 are installed according to the steps of the embodiment 1, the second rope winder 3, the wire guide wheel 4, the wire first 5, the wire second 6 and the wire tensioner 7 are respectively installed in the lower frame A2, the installation positions of the wire tensioners correspond to the installation positions in the upper frame A1, and the wire tensioners are mutually symmetrical;

the driving motor 1 is started, the driving gear 11 is connected with and drives the driving gear 11 to rotate through the universal coupling 16, the driving gear 11 drives the driven gear 12 to rotate through the first transition gear 13 and the second transition gear 14, so that the upper rope winder 3 and the lower rope winder 3 are driven to synchronously rotate with the reel 8, the upper pull wire 5 and the lower pull wire 5 slide along the upper end of the first fixed wheel 71, the lower end of the tensioning wheel 72 and the upper end of the second fixed wheel 73, the tensioning wheel 72 is stressed, the pull wire pressure is given to the pull wire through the fixing piece 74, the rope winder 3 and the first pull wire 5 are tensioned, and the rope winder 3 and the first upper pull wire 5 operate more stably to pull and open and close the movable frame A5.

Example 3

When the number of the movable frames A5 is one, the driving assemblies are symmetrically fixed with each other, and the driving motors 1 in the driving assemblies are respectively arranged on the left frame A3 and the right frame A4;

at least two rope winders 3, stay wire guide wheels 4, stay wires I5, stay wires II 6, stay wire tensioners 7 and stay wire guide wheels I41 are respectively installed according to the method of the embodiment 1 and/or the embodiment 2;

when the rope reel 3 is installed according to the procedure of the embodiment 1, the rope reels 3 are all installed in the upper frame A1, and at this time, the number of the rope reels 3 is two;

when the rope reel 3 is installed according to the procedure of example 2, the rope reels 3 are installed in the upper frame A1 and the lower frame A2 respectively, and at this time, the number of the rope reels 3 is four;

methods of use refer to examples 1 and 2.

Example 4

When the number of the movable frames A5 is at least two, the number of the driving assemblies is at least two, and when the number of the driving assemblies is at least two, the driving assemblies are mutually symmetrical, and the number of the rope reel 3, the wire guide wheel 4, the wire one 5, the wire two 6, the wire tensioner 7 and the wire guide wheel one 41 is at least two; the installation steps are divided into two in the embodiment 3, and the number of the rope winder 3 is two or four;

methods of use refer to examples 1 and 2.

On the basis of the embodiments 1-4, when the rope winder 3 and the scroll 8 are matched with a gap, a coil spring or a tensioning spring is arranged in the moving frame A5 to be matched for realizing tensioning of the rolling curtain;

on the basis of the embodiments 1-4, when a hidden motor is needed to be used, a tubular motor 2 is arranged on the inner side of the left frame A3 and/or the right frame A4, the tubular motor 2 is arranged on a reel 8, and the reel 8 is connected with a connecting rod 10 through a connecting piece to drive the rope winder 3 to rotate;

on the basis of the embodiments 1-4, a reel 8 is arranged in the left frame A3 and/or the right frame A4, a coil spring 9 is arranged in the reel 8, when the rolling curtain is a dustproof curtain, the lower end of the rope rolling device 3 is connected with the dustproof curtain reel 8, when the rolling curtain is a ventilation curtain, the lower end of the rope rolling device 3 is connected with the ventilation curtain reel 8, when the dustproof curtain and the ventilation curtain are simultaneously installed, the lower ends of the two rope rolling devices 3 are respectively connected with the dustproof curtain reel 8 and the ventilation curtain reel 8;

based on the embodiments 1-4, the rope winder 3, the wire guide wheel 4, the wire first 5, the wire second 6, the wire tensioner 7 and the wire guide wheel first 41 can use a synchronous belt or a chain to drive the moving frame to translate according to the requirements.

Due to different installation environments, the height requirements of the lower frame A2 are different, and when the lower frame A2 is low, the second stay wire 6 is selected to be wound on the upper frame A1 and connected with the rope winder 3. When the lower frame A2 is high, the rope reel 3 is mounted in the lower frame A2.

On the basis of the embodiments 1-4, the upper frame and the lower frame are respectively provided with elastic cotton, and noise is avoided when the door is opened or closed.

The utility model has reasonable structure, the curtain cloth is wound on the scroll, the opening state and the closing state are both in a tight state, the functions of hard connection and coil springs are realized, the flattening force of the hard material and the tensioning force of the roller shutter are counteracted, the manual push-pull is easy and labor-saving, the automatic driving motor is stopped along with the pulling, the problems of clamping, the elastic force of the spring is attenuated and is not tight, the back pushing speed is limited, the roller shutter is a hard material roller shutter, and the like are avoided, and the motor can be arranged outside, so that the motor is not influenced by space, torsion and speed.

The above embodiments of the present utility model are not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A drive mechanism suitable for rolling slats, characterized in that: the wire tensioning device comprises a frame, a wire winder (3), a wire tensioning guide wheel (4), a wire tensioning device I (5), a wire tensioning device II (6), a wire tensioning device 7 and a reel (8), wherein the wire winder (3), the wire tensioning guide wheel (4), the wire tensioning device I (5), the wire tensioning device II (6), the wire tensioning device I (7) and the reel (8) are all arranged in the frame, one end of the wire tensioning device I (5) is fixed on the wire winder (3), the other end of the wire tensioning device I (5) passes through the wire tensioning device I (7) and the wire tensioning guide wheel (4) and then is fixed, one end of the wire tensioning device II (6) is fixed on the wire winder (3), and the other end of the wire tensioning device I passes through the wire tensioning device I (7) and the wire tensioning guide wheel (4) and then is fixed;

the wire tensioning device is characterized by further comprising a first wire tensioning guide wheel (41), wherein the first wire tensioning guide wheel (41) is arranged in the frame, one end of a second wire tensioning guide wheel (6) penetrates through the wire tensioning device (7), the wire tensioning guide wheel (4) and the first wire tensioning guide wheel (41) and is then fixed, the wire tensioning device (7) comprises a first fixing wheel (71), a tensioning wheel (72), a second fixing wheel (73) and a fixing piece (74), the fixing piece (74) is used for fixing the tensioning wheel (72) in the upper frame (A1), and the first fixing wheel (71) and the second fixing wheel (73) are respectively arranged on two sides of the tensioning wheel (72);

still include drive assembly, drive assembly includes driving motor (1), driving gear (11), transition gear (13), transition gear two (14), driven gear (12), universal joint (16), and driving motor (1) are connected with driving gear (11) through universal joint (16), and driving gear (11) are connected with driven gear (12) through transition gear one (13), transition gear two (14), and driven gear (12) are installed in rope winder (3) lower extreme, spool (8) upper end.

2. A driving mechanism for a roll screen according to claim 1, wherein: the rope winder (3) is of a cone-shaped or tower-shaped structure, two ends of the rope winder are respectively of diameters different in size, one end of the rope winder is of a large diameter, and the other end of the rope winder is of a small diameter.

3. A driving mechanism for a roll screen according to claim 2, wherein: the frame comprises an upper frame (A1), a left frame (A3), a right frame (A4), a movable frame (A5), an induction probe and/or a lower frame (A2), wherein one or two movable frames (A5) are arranged.

4. A driving mechanism for a roll screen according to claim 1, wherein: be provided with rope winder (3), act as go-between guide pulley (4), act as go-between first (5), act as go-between second (6), act as go-between tensioning ware (7) in upper frame (A1), be provided with act as go-between guide pulley one (41) in lower frame (A2), act as go-between one (5) one end is fixed on rope winder (3), the other end passes act as go-between tensioning ware (7), act as go-between guide pulley (4) back with remove frame (A5) upper end connection, act as go-between second (6) one end is fixed on rope winder (3), the other end passes act as go-between tensioning ware (7), act as go-between guide pulley (4), act as go-between guide pulley one (41) back with remove frame (A5) lower end connection, receive push-pull removal frame (A5) and can accomplish the switching.

5. A driving mechanism for a roll screen according to claim 1, wherein: the automatic rolling device is characterized in that a plurality of driving assemblies are arranged in the frame, the number of the driving assemblies is at least one, driving motors (1) are respectively arranged on the left frame (A3) and/or the right frame (A4), sensing probes are arranged on the outer side of the upper frame (A1) and connected with the driving motors (1) through circuits, the driving motors (1) are connected with a driving gear (11) through universal couplings (16) and drive the driving gear to rotate, the driving gear (11) drives a driven gear (12) to rotate through a first transition gear (13) and a second transition gear (14), so that a rope winder (3) and a reel (8) are driven to rotate, the rope winder (3) rotates to drive a first stay wire (5) to stretch along a stay wire tensioner (7), a second stay wire (6) to stretch along the stay wire tensioner (7), the stay wire guide wheel (4), the first stay wire guide wheel (41) to stretch, and the reel (8) to rotate to drive a roller blind to stretch.

6. A driving mechanism for a roll screen according to claim 4, wherein: when the number of the movable frames (A5) is one, the number of the driving assemblies is one, when the number of the driving assemblies is one, the driving motor (1) in the driving assemblies is arranged on the left frame (A3) or the right frame (A4), when the number of the driving assemblies is two, the driving assemblies and the driving assemblies are mutually symmetrically fixed, and the driving motor (1) in the driving assemblies is respectively arranged on the left frame (A3) and the right frame (A4).

7. A driving mechanism for a roll screen according to any one of claims 1 and 6, wherein: when the driving assembly is one, the rope winder (3), the wire guide wheel (4), the wire first (5), the wire second (6), the wire tensioner (7) and the wire guide wheel first (41) are respectively one or two, when the rope winder (3), the wire guide wheel (4), the wire first (5), the wire second (6), the wire tensioner (7) and the wire guide wheel first (41) are respectively one, the rope winder (3), the wire guide wheel (4), the wire first (5), the wire second (6) and the wire tensioner (7) are arranged in the upper frame (A1), the wire guide wheel first (41) is arranged in the lower frame (A2), one end of the wire first (5) is fixed on the rope winder (3), the other end of the wire guide wheel (4) is connected with the upper end of the movable frame (A5) after passing through the wire tensioner (7), one end of the wire second (6) is fixed on the rope winder (3), and the other end of the wire guide wheel (4) and the wire first (41) is connected with the lower end of the movable frame (A5); when the rope winder (3), the stay wire guide wheel (4), the stay wire first (5), the stay wire second (6) and the stay wire tensioner (7) are respectively two, the first rope winder (3), the stay wire guide wheel (4), the stay wire first (5) and the stay wire tensioner (7) are installed according to the steps, the second rope winder (3), the stay wire guide wheel (4), the stay wire first (5), the stay wire second (6) and the stay wire tensioner (7) are respectively installed in the lower frame (A2), the installation position is the same as the installation position in the upper frame (A1), and the installation positions are symmetrical to each other.

8. A driving mechanism for a roll screen according to any one of claims 1 and 6, wherein: when the driving assembly is two, the number of the rope winder (3), the wire pulling guide wheel (4), the wire pulling first (5), the wire pulling second (6), the wire pulling tensioner (7) and the wire pulling guide wheel first (41) is at least two.

9. A driving mechanism for a roll screen according to claim 3, wherein: a reel (8) is arranged in the left frame (A3) and/or the right frame (A4), and a coil spring (9) is arranged in the reel (8).

10. A driving mechanism for a roll screen according to claim 1, wherein: the first stay wire (5) slides along the upper end of the first fixed wheel (71), the lower end of the tensioning wheel (72) and the upper end of the second fixed wheel (73), the tensioning wheel (72) is stressed, and the stay wire is tensioned through the fixing piece (74), so that the rope winder (3) and the first stay wire (5) can run more stably.