KR100835001B1 - Apparatus for opening/closing a curtain - Google Patents

Abstract

A stage curtain opening/closing apparatus is provided to open/close a stage curtain on a straight or curved passage in a stable manner, and to prevent any erroneous operation by making a wire stay at a rail unit. A stage curtain opening/closing apparatus(100) comprises a rail unit(110); a roller module; a wire guided by the roller module and wound around the rail unit to rotate separately in a progress direction and in a return direction; a driving unit(130) for rotating the wire; and a curtain carrier. The roller module includes a roller(167) with a built-in bearing supported through a central axis to a fixed board that is connected to the upper portion of a guide rail. The roller module is a combination of a start roller, a guide roller(164), a round roller(165), and a return roller(166), each being arranged at a section of the rail unit, such that the wire rotates in a caterpillar along a straight passage and a curved passage. Further the roller module controls spacing between the guide roller and the round roller according to the radius of curvature of the curved passage.

Description

Curtain Switchgear {APPARATUS FOR OPENING / CLOSING A CURTAIN}

The present invention relates to a curtain opening and closing device, and more particularly, to a curtain opening and closing device to enable a stable opening and closing operation of the curtain even in a running road having a free curve, such as a straight runway and a curved runway.

Curtains are installed and used in windows and stage devices for the purpose of controlling light rays, blocking eyes, sound insulation, soundproofing, and cold protection.

Such curtains have physical, decorative, and psychological functions as interior decoration materials.

In particular, as a physical function, firstly, it serves as a shielding function to prevent invasion of personal life from the outside, and secondly, to adjust the brightness of the room with the function of controlling sunlight and blocking it, and thirdly, through the thermal insulation function. Fourth, to prevent the temperature from escaping to the outside. Fourth, to block the noise from the outside. The fifth function is to divide the space in the room to effectively distinguish one space from the one-room system. Used.

Curtains that perform the above physical functions are fixed to a curtain hanger installed in a plurality of curtains so that the top of one curtain can be moved left and right on the rail installed to the upper side of the window, the top of the curtain paper is fixed to the curtain in any one direction only It is configured to be opened or closed, and a pair of curtains are hung on the rails, and both ends of the pair of curtains are fixed to the rails and then opened and closed on both sides.

That is, the curtain according to the prior art is formed in the 'wang' shape, as shown in the Utility Model Registration No. 20-0267530, the lower portion is formed with a moving passage 32 to freely move the curtain roller 33 A rail 31, a bracket 25 fastened to the ceiling with screws, and a groove 30 into which the upper portion of the rail 31 is inserted are formed, and a screw 29 for fixing the rail 31 is provided at a side thereof. An integrated rail fastening member 26 consisting of a sphere 28, and a connector 27 connecting the bracket 25 and the fastener 28, and the rail 31 is inserted into the front surface, the rail on both sides There is a fastening hole 35b into which the fixing screw 37a is inserted, and when the rail 31 is installed on the wall surface 39, the attachment cover 35 having the fastening hole 35a into which the fastening screw 37b is inserted is formed. It is composed of

The curtain is operated by a manual operation to hook the upper pleats of the curtain to hook the rail mounted on the window upper part so that the curtain can be opened and closed manually by sliding.

However, the curtain according to the prior art is a 'wang' shaped rail is simply coupled to the connector attached to the ceiling, the curtain and the fixed rail is moved by friction in the connector, so that the friction sound occurs when the curtain opening and closing the connector and There was a problem that the opening and closing of the curtain is not easily made due to the large frictional resistance of the rail.

In addition, the conventional curtain has a problem that does not easily open and close the curtain due to the deviation of the rail in the corner portion, that is, rounded portion of the connector having a movement path, or the corner movement in the rounded portion is inconvenient .

In particular, in the case of the curtain installed on the stage of the performance hall, when the installation height is high, there was a problem that the opening and closing of the curtain does not move smoothly when the curtain does not move when the curtain is opened and closed manually.

Such a representative device for automatically opening and closing the manual operation of the curtain as described above is a registered utility model No. 20-0165633 of the prior art using a curtain automatic opening and closing device using a pneumatic and a screw of the Patent Publication No. 10-2001-0011757 Curtain automatic opening and closing device is provided.

That is, the curtain automatic opening and closing device using the screw of the Utility Model Registration No. 20-0165633 is to enable the curtain carrier to open and close the curtain by circumferentially surrounding the outer circumference of the screw by the rotational force of the screw. The function of minimizing the friction force between the screw and the curtain carrier was complemented, but there was a problem in that the movement path of the curtain was limited to the straight line.

This is because the opening and closing of the curtain to the corner corner of the installation space can not be applied simply because the problem of incompatibility of the use can not be applied to the window in a normal home.

In addition, the curtain automatic opening and closing device using the pneumatic pressure of the Patent Publication No. 10-2001-0011757 can be applied to the space of the curtain installation space or large installation place, but the installation structure is to be applied because the means to achieve the pneumatic There was a complicated and difficult installation process.

Moreover, since expensive pneumatic means for generating pneumatics and providing them have to be provided, there is a problem in that the manufacturing cost is high and the parts are likely to malfunction.

Therefore, the main object of the present invention is to enable a stable opening and closing operation of the curtain even in a running road having a free curve, such as a straight road and a curved road.

In addition, another object of the present invention is to prevent the malfunction of the curtain opening and closing the wire to move the curtain to prevent the departure from the rail unit by the roller module.

In addition, another object of the present invention is to enable the movement of the wire to selectively open and close the curtain manually or automatically.

In addition, another object of the present invention is to be able to easily open and close the curtain installed on the stage device or a large stage through the drive with a minimum number of people on the ground.

In order to achieve this object, the curtain opening and closing device of the present invention is installed in a vertical downward direction to the ceiling to sequentially combine the installation plate and the guide rail bent in the lower portion of the support bracket formed to include a straight runway and a curved runway in accordance with the installation space The rail unit, a roller module installed in a rolled space in the installation plate bending space of each section of the linear and curved driving paths of the rail unit, and the start and end portions of the rail unit being guided by the roller module. Wire wound so as to be wound in a traveling direction and a revolving direction so as to be rotated in an endless track, and winding the wire multiple times in a vertical direction to the winding roller and the supporting roller disposed to be spaced apart from each other to rotate with a rotation force provided from the outside. Rollers allow the wire to be rotated in a caterpillar manner A curtain carrier is installed to allow the drive unit and the moving direction side wire to be interlocked and installed at the same time while being supported by the rail unit and to be movable, and to open and close the curtain supported by the rail unit by a plurality of suspension modules. The curtain carrier is fixed so that the wire in the traveling direction of the wire rotating in the caterpillar penetrates the fixing means, and couples the connecting bracket vertically downward to the rear of the fixing means. It is configured to move along the rail unit by being fixed integrally with the suspension module located on the side.
According to the present invention, a roller module is installed in each of the section elements of the linear and curved driving paths of the rail unit, and the roller module includes a fixed plate coupled to the upper guide rail and a bearing supported through the central axis on the fixed plate. It is made of a roller, the roller module is a star controller installed on the side of the start of the guide rail pair of rollers so as to horizontally change the direction of the wire applied the rotational force on the upper portion of the drive unit, and the rail unit 2 rollers are installed to roll in the horizontal direction on the upper surface of the fixed plate installed on the mounting plate so that they are arranged at equal intervals on the straight road and the curved road, and the roller is installed on the fixed plate. Make sure the running wire is connected, and the returning side return wire is between the pair of rollers installed on the fixed plate. A guide roller to be drawn out, a round roller which is disposed between the guide rollers at equal intervals on the curved driving path of the rail unit, and a roller is installed to be rolled and rotated in the horizontal direction on the upper surface of the fixed plate, and the end of the rail unit. Combining the fixed plate to the portion is installed by the roller to the horizontal roll rotation on the upper surface of the fixed plate consists of a return roller to change the direction of the wire in the traveling direction side to the return-side wire.
According to the present invention, the driving unit is arranged in the vertical direction and the winding roller and the support roller to be rotated and rotated apart from each other and then through the central axis through the winding roller and the support roller to the mounting bracket built in the winding roller and the support roller therein Coupling the central axis combined with the bearing, the outer circumference of the winding roller to form a plurality of winding grooves, the outer circumference of the support roller to form a curved curved surface of the winding wire is a handle coupled to the central axis of the winding roller It is configured to receive a rotational force through which the wire can be rotated in a caterpillar manner.
According to the present invention, the suspension module is mounted on the guide rail and coupled to a pair of support rollers to be rolled and rotated on the upper and lower surfaces of the support member formed on the lower portion of the guide rail of the " I " shape so as to be moved independently. Configure the central axis of the coupling to the outer bracket to protect the support roller.

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As described above, the curtain opening and closing device of the present invention to enable the stable opening and closing operation of the curtain even on a running road having a free curve, such as a straight runway and a curved runway, work on the installation of the automatic curtain opening and closing device regardless of the installation place There is an effect to improve the efficiency.

In addition, the curtain opening and closing device of the present invention has the effect that the wire to move the curtain to prevent the separation from the rail unit by the roller module to prevent the malfunction and trouble caused by opening and closing the curtain.

And, the curtain opening and closing device of the present invention has the effect of allowing the curtain to be opened and closed selectively or manually.

In addition, the curtain opening and closing device of the present invention has the effect that it can be easily opened and closed while stably supporting the curtain having a heavy load is installed on the stage device or large stage through the driving unit with a minimum number of people on the ground. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, in the drawings, the same components or parts are to be noted that the same reference numerals as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

Figure 1a is a perspective view showing a state before and after opening and closing the curtain opening and closing device of the present invention, Figure 1b is a perspective view showing a state after opening and closing the curtain opening and closing device of the present invention, Figure 2 is a plan view showing a curtain opening and closing device of the present invention, Figure 3 is a cross-sectional view showing a curtain carrier of the curtain opening and closing device of the present invention, Figure 4 is a cross-sectional view showing a suspension module of the curtain opening and closing device of the present invention, Figure 5 is a cross-sectional view showing a guide roller of the curtain opening and closing device of the present invention, Figure 6 is a cross-sectional view showing a round roller of the curtain opening and closing device of the present invention, Figure 7 is a cross-sectional view showing a return roller of the curtain opening and closing device of the present invention, Figure 8 is a cross-sectional view showing a drive unit of the curtain opening and closing device of the present invention, 9 is a cross-sectional view showing the fixing means of the curtain opening and closing apparatus of the present invention.

As shown in Figures 1 to 9, the curtain opening and closing device 100 of the present invention is installed on the rail unit 110 and the rail unit 110 is installed vertically downward on the ceiling of the installation space to roll and rotate The wire 120 is guided by the roller module 160 and the roller module 160, and is wound around the start and end portions of the rail unit 110 so that the wire 120 is rotatably installed in an endless orbit. ), A driving unit 130 for rotating the wire 120, and a curtain carrier 140 which is suspended by the wire 120 by suspending the curtain 10 through the ring 11 on the rail unit 110. It consists of.

As shown in Figure 1a to Figure 3, the rail unit 110 is installed vertically downward on the ceiling support bracket 111 formed to include a straight runway (110a) and a curved runway (110b) in accordance with the installation space Combine the installation plate 112 and the guide rail 113 bent in the lower portion of the sequentially.

That is, the support bracket 111 is fixed to the ceiling of the installation space by an anchor bolt (not shown) or the like vertically downward, but is formed to include both the straight running path (110a) and the curved driving path (110b) in accordance with the installation space. , In approximately "c" or "b" form.

In addition, an installation plate 112 of a shape bent vertically downward is installed on the lower surface of the support bracket 111 at equal intervals, and a guide rail 113 having an “I” shape is provided below the installation plate 112. It is fixed.

Here, the guide rail 113 is formed in the form of a straight running path (110a) and a curved running path (110b) the same as the support bracket 111 of the mounting plate (112).

As described above, the rollers 167, which are rolled and rotated in each of the linear driving path 110a and the curved driving path 110b at equal intervals, are formed on the upper surface of the guide rail 113 of the configured rail unit 110 in various forms. Install the roller module 160.

More specifically, as shown in FIGS. 4 to 7, the roller module 160 is installed on each of the section elements of the linear driving path 110a and the curved driving path 110b of the rail unit 110 to guide rails 111. It consists of a fixed plate 168 coupled to the upper portion and a roller 167 having a bearing 161 supported on the fixed plate 168 through a central axis 162.

The roller module 160 formed as described above is composed of various combinations of rollers as the starter roller 163, the guide roller 164, the round roller 165, and the return roller 166, and is disposed in each zone of the rail unit 110. In addition, the wire 120 is rotatable while maintaining an arrangement in which the wire 120 is wound in an endless track shape in accordance with the straight running path 110a and the curved running path 110b of the rail unit 110.

In addition, the roller module 160 to prevent the separation of the wire 120 by adjusting the interval between the guide roller 164 and the round roller 165 in accordance with the radius of curvature of the curved running path (110b). have.

First, the star controller 163 of FIG. 1A or 1B is to allow the wire 120 in the vertical direction to which the rotational force is applied to the upper portion of the driving unit 130 to be converted to the horizontal direction. After the fixing plate 168 is installed on the top end surface of the starting point, the rollers spaced in pairs change the direction of the wire 120 drawn out in a vertical state through the driving unit 130 in a horizontal line.

In addition, the guide roller 164 in FIG. 5 is a fixed plate 168 installed on the mounting plate 112 to be arranged at equal intervals on the straight running path (110a) and the curved running path (110b) of the rail unit (110). The rollers 167 of the two modifications are installed on the upper surface so as to rotate in the horizontal direction, and the traveling direction side traveling wires 120a are connected to the outer circumference of the roller 167 in a single location installed on the fixed plate 168, The revolving direction revolving wire 120b is pulled out between a pair of rollers 167 installed on the fixing plate 168 so that the wire 120 that is tensioned during the opening and closing operation of the curtain 10 is curved in the path 110b. Make sure to prevent any deviations.
In addition, the round roller 165 in FIG. 6 is disposed between the guide rollers 164 at equal intervals on the curved traveling path 110b of the rail unit 110, and horizontally on the upper surface of the fixing plate 168. The roller 167 is installed to roll and move so that the traveling wire 120a and the revolving wire 120b move in close contact with the outer circumferential inner side of the roller 167 so that the wire 120 is separated from the curved driving path 110b. To prevent this.

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In addition, the return roller 166 in FIG. 7 couples the fixing plate 168 to the end of the rail unit 110, and then installs a roller 167 to rotate horizontally on the upper surface of the fixing plate 168 to advance the wire. The direction 120a is redirected to the regression wire 120b.

As described above, the wire 120 is mounted in the endless track form on the roller module 160 arranged at equal intervals on the rail unit 110 and then the wire 120 is rotated through the drive unit 130 in an endless track manner. You can.

As shown in FIG. 8, the driving unit 130 is wound around the winding rollers 131 and the supporting rollers 132 which are arranged to be spaced apart from each other in a vertical direction by winding the wire 120 in a rotational force provided from the outside. Through the rotating winding roller 131 to allow the wire 120 to be rotated in a caterpillar manner.

Specifically, the drive unit 130 is arranged to be spaced apart from each other winding the winding roller 131 and the supporting roller 132 roll in the vertical direction and then the central axis 162 on the winding roller 131 and the supporting roller 132 Through) coupled to the central shaft 162 combined with the bearing 161 to the mounting bracket 134 having the winding roller 131 and the supporting roller 132 therein, the outer peripheral edge of the winding roller 131 The winding groove 131a is formed in a plurality, and the outer circumferential edge of the support roller 132 forms a round curved surface 132a and the wire 120 is wound around the central axis 162 of the winding roller 131. Receiving a rotational force through the handle 135 coupled to the wire 120 to be rotated in a caterpillar manner.

In addition, the winding groove 131a of the winding roller 131 generates a friction force with the wire 120 to allow the wound wire 120 to rotate, and the curved surface 132a of the support roller 132 is a wire itself. The wire 120 is prevented from being separated or twisted to the outside of the support roller 132 by an obstacle or foreign matter buried in the 120.

Here, the installation bracket 134 is connected to the fixing bracket 136 fixed to the ground fixed to the ground, the height adjustment means 137 fixed to the mounting bracket 134 is coupled to the fixing bracket 136 in a fastening manner When the tension of the wire 120 is to be further given, the height of the mounting bracket 134 can be adjusted by adjusting the fastening state of the height adjusting means 137, thereby allowing the tension of the wire 120 to be adjusted.

By the rail unit 110, the roller module 160, and the driving unit 130 configured as described above, the wire 120 may be circumferentially rounded along the roller module 160, and the traveling wire 120a may be disposed on the wire 120. Interlocking the curtain carrier 140 is fixed to enable the opening and closing of the curtain (10).

In other words, as shown in FIG. 3, the curtain carrier 140 is fixed to the traveling wire 120a so as to be interlocked and supported by the rail unit 110 so as to be capable of traveling, and the plurality of suspension modules 150 are provided. It is possible to open and close the curtain (10) supported by the rail unit (110) by.
That is, the curtain carrier 140 is at least one supporting wire (120a) to the support plate (141a) to be integrally fixed to the traveling wire (120a) through the fixing means 141 of the wire 120 that rotates in an endless track Penetrating through the fixing hole (141b) formed by the support plate 141c in front of the fixing plate (141c) to fix the traveling wire (120a) is pressed between the support plate (141a) and the fixing plate (141c) To be fixed.
Then, the connecting bracket 142 is coupled to the rear of the support plate 141a of the fixing means 141 in a vertical downward direction, and then the connecting bracket 142 is a suspension module 150 which is located at the top of the plurality of suspension modules 150. ) To be fixed integrally with the rail unit 110 to move along the rail unit 110.
Here, the suspension module 150 is mounted on the guide rail 113, a pair of support rollers on the upper and lower surfaces of the support member 113a formed on the lower portion of the guide rail 113 of the "I" shape so as to be moved independently. 152 is coupled to be rolled and rotated so that the central axis 153 of the support roller 152 is coupled to the outer bracket 154 protecting the support roller 152.

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Referring to the operation relationship of the present invention as follows.

First, when sealing the space through the curtain 10, when the handle 135 is rotated, the central shaft 162 of the winding roller 131 rotates while the winding roller 131 is rotated and supported by the wire 120. The roller 132 is rotated.

At this time, the winding groove 131a of the winding roller 131 generates a frictional force with the wire 120 to allow the wound wire 120 to rotate more smoothly, and the curved surface 132a of the supporting roller 132. This prevents the wire 120 from being detached or twisted to the outside of the support roller 132 by an obstacle or a foreign matter on the wire 120.

As described above, the wire 120 to which the rotation force is applied moves the wire 120 in the advancing direction of the curtain 10 by horizontally changing the direction of the wire 120 drawn in the vertical direction through the star controller 163. Let's do it.

When the wire 120 is moved in this way, the curtain carrier 140 fixed through the fixing means 141 on the traveling wire 120a side moves in association with the side of the curtain 10 while interlocking with the guide rail 113. The support roller 152 in close contact with the upper and lower surfaces of the support member 131a of the support roller 152 is rolled and rotated while supporting the weight of the curtain 10 and the weight of the curtain carrier 140 to allow the curtain carrier 140 to run more stably. In addition, the plurality of suspension modules 150 having the upper end of the curtain 10 mounted by the ring 11 move in the rail unit 110 along the curtain carrier 140 while the curtain 10 is unfolded and thus the curtain 10. Will be hit.

At this time, even when the curtain carrier 140 is moved to the curved driving path 110b through the straight driving path 110a, the wire 120 is stably maintained by the guide roller 164 and the round roller 165 while maintaining the arrangement state. To move the curved path 110b.

As described above, when the movement of the curtain carrier 140 to the end of the guide rail 113 by moving the straight runway (110a) and the curved runway (110b) is completed, the curtain 10 is finally switched to the fully unfolded state. You can.

On the contrary. When opening the curtain (10) by rotating the handle 135 in the opposite direction to move the curtain carrier 140 in the reverse direction in the advanced direction while pushing the suspension module 150 in sequence to move to the starting point position of the rail unit to open the curtain (10) You can.

As such, the curtain opening and closing apparatus 100 according to the present invention has an effect of smoothly opening and closing the curtain 10 even in a driving route having free bending regardless of the linear driving route 110a and the curved driving route 110b.

Figure 1a is a perspective view showing a state before opening and closing the curtain opening and closing device of the present invention.

Figure 1b is a perspective view showing the state after opening and closing the curtain opening and closing device of the present invention.

Figure 2 is a plan view showing a curtain opening and closing device of the present invention.

Figure 3 is a cross-sectional view showing a curtain carrier of the curtain opening and closing device of the present invention.

Figure 4 is a cross-sectional view showing a suspension module of the curtain opening and closing apparatus of the present invention.

Figure 5 is a cross-sectional view showing a guide roller of the curtain opening and closing apparatus of the present invention.

Figure 6 is a cross-sectional view showing a round roller of the curtain opening and closing apparatus of the present invention.

Figure 7 is a cross-sectional view showing a return roller of the curtain opening and closing apparatus of the present invention.

8 is a cross-sectional view showing a driving unit of the curtain opening and closing device of the present invention.

9 is a cross-sectional view showing the fixing means of the curtain opening and closing apparatus of the present invention.

Explanation of symbols on the main parts of the drawings

10 curtain 11: ring

100: curtain opening and closing device 110: rail unit

110a: straight runway 110b: curved driveway

111: support bracket 112: mounting plate

113: guide rail 113a: support member

120: wire 120a: progress wire

120b: regression wire 130: drive unit

131: winding roller 131a: winding groove

132: support roller 132a: curved surface

134: mounting bracket 135: handle

136: fixing bracket 137: height adjustment means

140: curtain carrier 141: fixing means

141a: support plate 141b: fixing hole

141c: fixing plate 142: connecting bracket

150: suspension module 152: support roller

153: central axis 154: external bracket

160: roller module 161: bearing

162: central axis 163: star controller

164: guide roller 165: round roller

166: return roller 167: roller

168: fixed plate

Claims (4)

A rail unit which is installed vertically downward on the ceiling and sequentially combines an installation plate and a guide rail bent at a lower portion of a support bracket formed to include a straight runway and a curved runway according to the installation space; A roller module which is rotatably installed in a bending space of the installation plate in each of the linear driving path and the curved driving path of the rail unit; A wire which is guided by the roller module and wound so as to be rolled over the start and end portions of the rail unit so as to be divided into a traveling direction and a return direction to be rotatable in an endless track; A driving unit which allows the wire to be rotated in an endless orbit manner through a winding roller which is rotated by a rotational force provided from the outside by winding the wire in the vertical direction to the winding roller and the supporting roller spaced apart from each other; It is fixed to the traveling direction side wire to be interlocked and at the same time supported by the rail unit is installed so as to run, and install a curtain carrier to enable opening and closing of the curtain supported by the rail unit by a plurality of suspension modules, The curtain carrier is fixed as the wire in the traveling direction of the wire rotating in the caterpillar penetrates the fixing means, couples the connecting bracket vertically downwards to the rear of the fixing means, and the connecting bracket is the best side of the plurality of suspension modules. Curtain opening and closing device characterized in that configured to move along the rail unit to be fixed integrally with the suspension module located on. The method of claim 1, The roller module is installed in each section element of the linear driving path and the curved driving path of the rail unit, and the roller module is composed of a fixed plate coupled to the upper guide rail and a roller having bearings supported through the central axis on the fixed plate. , The roller module includes a star controller having a pair of rollers installed at the side of the starting portion of the guide rail so as to horizontally change the direction of the wire applied with the rotational force on the upper portion of the driving unit; 2 rollers are installed to roll in a horizontal direction on the upper surface of the fixed plate installed on the mounting plate so as to be arranged at equal intervals on the straight driving path and the curved driving path of the rail unit, and the roller outer periphery of the single location installed on the fixed plate A guide roller which allows the traveling direction side traveling wire to be connected to each other, and the revolving direction revolving wire is drawn out between a pair of rollers installed on the fixed plate; A round roller which is disposed between the guide rollers at equal intervals on the curved driving path of the rail unit and installs a roller to be rolled and rotated in a horizontal direction on an upper surface of the fixed plate; Combined with a fixed plate to the end of the rail unit, the roller is installed on the upper surface of the fixed plate by rotating rollers to return the direction of the wire to the direction of the return direction side by rotating a roller Device. The method of claim 1, The driving unit, After arranging the winding roller and the supporting roller to be rolled in the vertical direction to be spaced apart from each other, and then through the central axis through the winding roller and the supporting roller to combine the central shaft combined with the bearing to the mounting bracket built-in the winding roller and the supporting roller, A plurality of winding grooves are formed on the outer circumference of the winding roller, and the outer circumference of the supporting roller forms a round curved surface so that the wire is wound through the handle coupled to the central axis of the winding roller so that the wire is infinite. Curtain opening and closing device characterized in that configured to be rotated in a track manner. The method of claim 1, The suspension module is mounted on the guide rail and coupled to the upper and lower surfaces of the supporting member formed on the lower portion of the guide rail of the " I " shape so as to be moved independently. Curtain opening and closing device characterized in that configured to be coupled to the outer bracket to protect the roller.

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