KR100560551B1 - roller curtain and a method of changing screen material of the roller curtain - Google Patents

Abstract

The present invention relates to a roller curtain, which enables locking of the rotation of the winding roller in a state in which the screen cloth is taken out without providing a dedicated locking mechanism. The joint member 7 is mounted on the remaining fabric 6 attached to the winding roller 3, and the screen member 4 is interchangeably mounted on the joint member 7, and the winding force of the roller 3 In the screen curtain replacement method of the roller curtain which resists and pulls out the screen cloth 4 and uses it, while releasing the pulled out screen cloth 4 and winding the screen cloth 4 by the roller 3, The joint member 7 is slidable with respect to the remaining fabric 6 in the width direction, the screen fabric 4 and the like are pulled out, and the joint member 7 is slid to protrude in the width direction. (16) is hanged on the cover 2 to prevent the screen cloth 4 from being rolled up, and the screen cloth 4 is separated from the joint member 7 in this state and replaced.

Curtain, Roll curtain, Roller curtain screen, Screen cloth, Railroad car, Curtain replacement method, Screen cloth replacement

Description

How to change the screen cloth of a roller curtain {roller curtain and a method of changing screen material of the roller curtain}

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows an example of an embodiment of a roller curtain for implementing the screen cloth exchanging method of the present invention, and is a front view of a state in which the rotation of the winding roller is locked.

FIG. 2 is a cross-sectional view taken along line II-II of FIG. 1.

3 is a cross-sectional view taken along line III-III of FIG. 1.

4 is a front view showing a state of use of the roller curtain of FIG.

FIG. 5 is a front view illustrating an aspect in which the side bars are separated from the screen cloth of the roller curtain of FIG. 1.

6 is a cross-sectional view showing another embodiment of the joint member of the roller curtain of FIG.

The present invention relates to a roller curtain and a method of exchanging a screen material of the roller curtain. More specifically, the present invention relates to a roller curtain which is always pulled in a direction in which a winding roller winds up a screen cloth, comprising: a roller curtain connecting a screen cloth covering a window cloth covering a window and a remaining cloth mounted on the winding roller by a joint member; The screen cloth replacement method.

Background Art [0002] Some roller curtains used in railroad cars and the like are conventionally connected to a screen cloth covering a window and a remaining cloth mounted on a winding roller to be detachably connected by a joint member to facilitate replacement of the screen cloth. 10 (1998) -292756). In such roller curtains, the winding rollers are always pulled in the winding-up direction, so when replacing the screen cloth, the replacement work is performed while locking the rotation of the winding roller while the screen cloth is pulled out by the locking mechanism. have. In this locking mechanism, a coupling groove is arranged near the end of the winding roller by a configuration such as forming a coupling groove in a support plate that supports the end of the winding roller, and the projection protrudes toward the coupling groove. The pin is installed on the remaining fabric side, and the remaining fabric is slid to the winding roller while the screen cloth is pulled out to a predetermined position so that the rotation of the winding roller is inserted by inserting the coupling pin into the engaging groove.

This roller curtain is easy to apply to a newly manufactured railway vehicle and is actually employed. However, since the exclusive locking mechanism is required to lock the rotation of the winding roller, an old roller curtain already mounted on an existing railway vehicle is described above. It is difficult to replace with one roller curtain. That is, it is possible to replace the old winding roller, which is already mounted on an existing railway vehicle, from the supporting plate and replace it with the above-described winding roller. However, the supporting plate may be replaced by rivets on the vehicle side when manufacturing a railway vehicle. It is difficult to replace the old support plate with the above-mentioned engagement groove which is fixed. For this reason, it is difficult to realize a locking mechanism, and it has become an obstacle to replacing the roller curtain of the existing railroad car etc. with the roller curtain which is easy to replace the screen cloth mentioned above.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method for replacing a screen cloth of a roller curtain, in which a roller curtain can be easily replaced with a screen curtain, and the screen cloth can be replaced while the winding roller is locked even without a dedicated locking mechanism. do.

In order to achieve this object, the present invention relates to a screen curtain replacement method of a roller curtain in which a screen cloth is interchangeably mounted via a joint member at a tip of a residual cloth mounted on a winding roller, wherein the joint member has a width relative to the remaining cloth. And slide the screen fabric and the remaining fabric out of the winding roller, and slide the joint member with respect to the remaining fabric to protrude in the width direction, and hang the protruding portion on the member on the window frame side. Winding of the cloth is prevented, and the screen cloth is removed from the joint member and replaced in this state.

Therefore, when the joint member is slid in the width direction with respect to the remaining fabric in the state where the screen cloth and the remaining cloth are taken out, the end of the joint member protrudes and protrudes, and is caught by the member on the window frame side when the screen cloth and the remaining cloth are rolled up. This causes an obstacle when this protruding portion winds up the remaining cloth and the screen cloth, and the rotation of the winding roller is locked while the screen cloth and the joint member are pulled out. In this state, the screen cloth is removed from the joint member and replaced. Since the rotation of the winding roller is locked, the operator can carry out the replacement work of the screen cloth with both hands. In this way, the rotation of the winding roller can be easily and reliably locked by sliding the joint member, so that there is no need to provide a dedicated locking mechanism.

That is, the rotation of the winding roller can be locked in the state where the screen cloth is taken out without installing the dedicated locking mechanism, and the screen cloth can be replaced in this state. For this reason, it becomes possible to apply the roller curtain which is easy to replace a screen cloth also by connecting a residual cloth and a screen cloth by a joint member also to the existing railway vehicle etc. which it is difficult to mount a locking mechanism behind.

In this case, like the screen cloth exchange method of the roller curtain of Claim 2, it is preferable that the member of a window frame side is made into the member which hides a winding roller. The member concealing the winding roller cannot pass a larger projecting in the width direction than the winding roller when the remaining cloth or the screen cloth is wound up. Therefore, the protrusion part can be hung on the member covering the winding roller by pulling out the screen cloth and the remaining fabric and then sliding the joint member in the width direction with respect to the remaining fabric. Accordingly, the rotation of the winding roller can be reliably locked.

Moreover, it is preferable to make the member of a window frame side into the member which supports the edge part of a winding roller like the screen cloth exchange method of the roller curtain of Claim 3. The member supporting the end portion of the winding roller cannot pass through the protrusion protruding larger in the width direction than the remaining cloth or the screen cloth when the remaining cloth or the screen cloth is wound up. Therefore, the protrusion part can be hung on the member supporting the end of the winding roller by pulling out the screen cloth and the remaining cloth and then sliding the joint member in the width direction with respect to the remaining cloth. Accordingly, the rotation of the winding roller can be reliably locked.

In addition, the inventors of the roller curtain according to claim 4 is a joint member which is detachably connected to the winding roller, the screen cloth, the remaining cloth attached to the winding roller, and the screen cloth at the distal end of the remaining cloth, and is slidable in the width direction. And a member on the side of the window frame capable of hanging a portion protruding in the width direction of the joint member when the joint member is slid in the width direction with respect to the remaining fabric in a state where the screen cloth and the remaining fabric are drawn out from the winding roller. And hooking the portion protruding in the width direction of the joint member to the window frame side during replacement of the screen fabric to prevent the winding of the screen cloth and the remaining fabric by the winding roller.

Thus, there is provided a roller curtain capable of exchanging screen cloth in the above-described manner.

In this case, like the roller curtain of Claim 5, the member of a window frame side may be a member which hides a winding roller, and like the roller curtain of Claim 6, the member of a window frame side is a member which supports the edge part of a winding roller. It may be.

EXAMPLE

EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated in detail according to the most preferable form shown in drawing.

1 to 4 show one embodiment of a roller curtain for implementing the screen cloth exchanging method of the present invention. The screen cloth replacement method of this roller curtain is to attach the joint member (7) to the front end (6b) of the remaining fabric (6) attached to the winding roller (3) and at the same time attach the screen cloth (4) to the joint member (7) It is mounted so as to be replaceable, and pulls out and fixes the screen cloth 4 to resist the winding force of the winding roller 3, and releases the fixed screen cloth 4 to the winding roller 3 to release it. Used in a roller curtain to wind up the screen cloth 4, thereby making the joint member 7 slidable in the width direction with respect to the remaining cloth 6, and withdrawing the screen cloth 4 and the remaining cloth 6. After that, the joint member 7 is slid with respect to the remaining fabric 6 to protrude in the width direction, and the protruding portion (hereinafter referred to as the protruding portion) 16 is hung on the member of the window frame side to form the screen cloth 4. And the reeling of the remaining cloth 6 is prevented, and in this state, the screen cloth 4 is To exchange it separate from (7). That is, the roller curtain of the present invention is screened on the winding roller 3, the screen cloth 4, the remaining cloth 6 attached to the winding roller 3, and the front end 6b of the remaining cloth 6. Joint member 7 detachably connected to the cloth 4 and slidable in the width direction, and the joint member 7 in a state in which the screen cloth 4 and the remaining cloth 6 are pulled out from the winding roller 3. Is provided with a member on the side of the window frame that can hang the protruding portion 16 of the joint member 7 in the case of sliding in the width direction with respect to the remaining fabric 6, and at the time of replacing the screen cloth 4, the joint member is provided. The protruding portion 16 of (7) is hooked to the member on the side of the window frame to prevent the winding of the screen cloth 4 and the remaining cloth 6 by the winding roller 3.

This roller curtain is intended to be used for, for example, a window of a railroad car, and a cover for covering and covering the winding roller 3 along a portion where a shelf of a mesh (not shown) is mounted on the upper part of the window 1 (covering) 2) is also provided, and the winding roller 3 is arrange | positioned inside this cover 2. As shown in FIG. That is, this cover 2 is a member of the window frame side which hangs the protruding part 16 of the joint member 7. In addition, guide rails 5 are provided on both left and right sides of the window 1.

The winding rollers 3 have a substantially cylindrical shape, and both ends thereof are rotated by a pair of left and right support plates 9 fixed by a method such as welding or superimposing and flatly joining the vehicle body. Possibly supported. The winding roller 3 is always pulled to rotate in the winding-up direction by a pulling means such as a torsion coil spring (not shown) housed therein. On the outer circumferential surface of the winding roller 3, a cut portion 3a and a mounting groove 3b formed in a plane are formed over the entire length of the winding roller 3. As shown by the dashed-dotted-dotted line in FIG. 2, the joint member 7 is arrange | positioned at the cut part 3a when the remaining cloth 6 is wound up. On the other hand, the mounting groove 3b is for mounting the remaining cloth 6, and the opening portion is formed narrower than the bottom portion inside the groove.

In the joint member 7, two mounting grooves 7a and 7b are formed over the entire length of the joint member 7. In the mounting grooves 7a and 7b, the opening portion is narrower than the bottom portion inside the groove. The first mounting groove 7a is formed at the upper end surface of the joint member 7, and the second mounting groove 7b is formed at the lower end surface of the joint member 7, respectively. Moreover, the outer surface 7c of the joint member 7 consists of the curved surface of the same curvature as the outer peripheral surface of the winding roller 3, and the inner surface is formed in the flat surface. Therefore, when the joint member 7 is disposed at the cutout portion 3a of the winding roller 3, as shown by the dashed-dotted line in FIG. 2, the joint member 7 is part of the circumference of the winding roller 3. The contour of the cross-sectional shape of the combination of these winding rollers 3 and the joint member 7 is circular. The joint member 7 is manufactured at low cost by, for example, extruding an aluminum alloy.

On the other hand, the upper end 6a and the lower end 6b of the remaining cloth 6 are, for example, folded and sewn to pass through the core materials 11 and 12 (hereinafter referred to as the bag portions 6a and 6b). Is installed). The upper bag portion 6a is fitted into the mounting groove 3b of the winding roller 3, and the core 11 is inserted into the bag portion 6a to prevent the dropping from the mounting groove 3b. It constitutes the joint part which becomes. Moreover, the bag part 6b of the lower end of the remaining cloth 6 is inserted in the 1st mounting groove 7a formed in the joint member 7, and the core material 12 is inserted in the bag part 6b, and is connected to it. Part is constructed. This joint part prevents the bag portion 6b from being pulled out of the first mounting groove 7a and also allows the joint member 7 to slide in the width direction relative to the remaining fabric 6. The length of the remaining fabric 6 is determined in consideration of, for example, the ease of replacing the screen cloth 4, etc., but at least the joint member 7 is attached to the cutout 3a when the winding roller 3 is wound. It is necessary to make length to fit.

The screen cloth 4 has a size sufficient to cover the window 1. The upper and lower ends of the screen cloth 4 are, for example, folded and sewn to form bag portions 4a and 4b. The bag portion 4a of the upper end of the screen cloth 4 is fitted into the second mounting groove 7b of the joint member 7, and the tip portion is swelled by inserting the core 13 into the bag portion 4a. A joint is formed by forming a strip-shaped protrusion. This joint part prevents the bag portion 4a from being pulled out from the second mounting groove 7b in the withdrawal direction of the screen cloth 4 and also slides in the width direction of the screen cloth 4 with respect to the joint member 7. To make it possible. Moreover, as shown in FIG. 3, the bag part 4b of the lower end of the screen cloth 4 is inserted in the slit 8a formed in the horizontal bar 8, and the bag part ( The core 14 is inserted into 4b) to form a strip-shaped protrusion in which the tip is swollen to form a joint portion. This seam prevents the bag 4b from slipping away from the slit 8a in the direction of winding the screen cloth 4 and also allows the transverse rod 8 to slide in the width direction relative to the screen cloth 4. It is. Moreover, the runner 10 is inserted in the both ends of the horizontal bar 8, and the runner 10 is fixed to the horizontal bar 8 by the screw 15. As shown in FIG. The runner 10 is inserted into the guide slit 5a formed in the guide rail 5 and guided and moved to the guide slit 5a. Moreover, the screen cloth 4 can be fixed in the state which pulled out from the winding roller 3 by hanging the runner 10 on the notch 5b formed at predetermined intervals successively to the guide slit 5a. . In order to remove this horizontal bar 8 from the guide rail 5, the horizontal bar 8 may be inclined, and the left and right runner 10 may be pulled out from the guide slit 5a of the guide rail 5.

In addition, it is preferable to use, for example, a piano wire or the like for each core member 11 to 14 to facilitate insertion into the bag portions 3b, 7a, 7b, and 4b.

When using this roller curtain, hold the side bars 8, pull out the screen cloth 4 from the winding rollers 3, and hang the left and right runners 10 on any notches 5b of the guide rails 5 to the screen. The cloth 4 may be fixed. By lowering the transverse rod 8, the screen cloth 4 is pulled out of the winding roller 3 to cover the window 1 to block sunlight. Since the screen cloth 4 has a sufficient size to cover the window 1, as shown in FIG. 4, even when the runner 10 is mounted on the lowermost notch 5b, the joint member 7 and the remaining portion are retained. The fabric 6 is not exposed from the cover 2 so that the aesthetics are not damaged when the roller curtain is used.

On the other hand, in order to put the roller curtain in the stored state, the runner 10 may be removed from the notch 5b to release the screen cloth 4 from being fixed, and the screen cloth 4 may be rolled up by the winding roller 3. As the side bar 8 rises, the winding roller 3 winds up these in order of remaining cloth 6 → joint member 7 → screen cloth 4. At this time, when the remaining cloth 6 is first wound up so that the joint member 7 is disposed at the cutout portion 3a of the winding roller 3, the joint member 7 becomes a part of the winding roller 3 and becomes a cross section. The contour of the shape becomes approximately circular. Therefore, the screen cloth 4 which is very long compared to the remaining fabric 6 can be wound by the winding roller 3 whose contour of the cross section is approximately circular, and balances the winding roller 3 without damaging the winding shape. Can be rotated satisfactorily, and vibration and noise can be suppressed. In addition, since the remaining fabric 6 and the joint member 7 are wound together by the winding roller 3 together with the screen cloth 4, the residual fabric 6 and the joint member 7 are not supported for use of the roller curtain. It does not interfere.

Next, the replacing method of the screen cloth 4 is demonstrated concretely.

First, the screen cloth 4 is pulled out by holding the side bar 8, and the runner 10 is fixed to the notch 5b at the bottom to fix the screen cloth 4. Next, while holding the middle of the screen cloth 4, the screen cloth 4 is further pulled out, and the remaining cloth 6 wound on the winding roller 3 is pulled out so that the joint member 7 is completely removed from the cover 2. Expose Then, the joint member 7 is slid in the width direction with respect to the remaining fabric 6 together with the screen fabric 4. Accordingly, the end of the joint member 7 protrudes.

In this state, if the force pulling out the screen cloth 4 is weakened, it rotates in the direction in which the winding roller 3 winds up, and remains until the protruding portion 16 of the joint member 7 is caught by the cover 2. Roll up the fabric (6). That is, the protruding portion 16 of the joint member 7 is caught by the cover 2 so that the rotation of the winding roller 3 is locked, and then the remaining fabric 6 is released even if the force for pulling out the screen cloth 4 is completely released. And the screen cloth 4 is not wound up by the winding roller 3.

Next, the runner 10 is pulled out from the guide rail 5 at an angle to the side bar 8, and the pouch portion 4a at the upper end of the screen cloth 4 is slid with respect to the joint member 7 in the width direction. The screen cloth 4 is separated from the joint member 7. In this manner, the screen cloth 4 is separated from the joint member 7 together with the side bars 8, and then one runner 10 is separated from the side bars 8, and the bag portion 4b at the bottom of the screen cloth 4 is provided. Is taken out together with the core 14 to separate the transverse rod 8 from the screen cloth 4 (FIG. 5). At this time, the core material 14 was first separated from the bag portion 4b of the screen cloth 4. Then, the screen cloth 4 is replaced with a new one, and the pocket part 4b at the bottom of the new screen cloth 4 is slide-inserted into the slit 8a of the side bar 8, while the core material 14 is placed in the bag part. It inserts in 4b and prevents the bag part 4b from dropping out. Thereafter, the runner 10 that has been separated is inserted into the end of the horizontal rod 8, and the runner 10 is fixed by the screw 15. Next, the pocket part 4a of the upper part of the new screen cloth 4 is slide-inserted into the 2nd mounting groove 7b of the joint member 7, and the core material 13 is inserted in the bag part 4a, and a joint is carried out. The fall of the screen cloth 4 from the member 7 is prevented. In this operation, since the rotation of the winding roller 3 is locked by the joint member 7, the operator can perform this operation with both hands.

After attaching the new screen fabric 4 to the joint member in this manner, the screen fabric 4 and the remaining fabric 6 are pulled out slightly to cover the protruding portion 16 of the joint member 7. 2) and slides in the opposite direction as when the joint member 7 is projected together with the screen cloth 4 to retract the projecting portion 16. Then, when the force pulling out the screen cloth 4 is weakened, it is wound around the winding roller 3 in the order of the remaining cloth 6 → joint member 7 → screen cloth 4, and the roller curtain is stored. The replacement of the screen cloth 4 is then completed.

In the screen cloth exchanging method of the present invention, it is possible to lock the rotation of the winding roller 3 and release the locking simply by sliding the joint member 7 in the width direction while the screen cloth 4 is pulled out. Therefore, the replacement work of the screen cloth 4 is performed simply and quickly.

When the screen cloth 4 is replaced in the above manner, the rotational locking and unlocking can be easily performed without providing a dedicated locking mechanism for locking the rotation of the winding roller 3 in the roller curtain. For this reason, the screen cloth 4 by connecting the remaining cloth 6 and the screen cloth 4 by the joint member 7 also to the existing railway vehicle etc. which cannot replace the support plate 9 by having a coupling groove. Roller curtain which can simplify the exchange of) can be applied.

And although the form mentioned above is an example of the preferable aspect of this invention, it is not limited to this, A various deformation | transformation is possible in the range which does not deviate from the summary of this invention. For example, in the above description, although the cover 2 which is a member which hides the winding roller 3 is used as a member of the window frame side which hangs the protruding part 16 of the slid joint member 7, The support plate 9 which is a member of the other side of the window frame, for example, the member which supports the edge part of the winding roller 3 can also be used. That is, the protruding portion 16 of the joint member 7 may be hooked to the support plate 9 to lock the rotation of the winding roller 3.

In the above description, although the second mounting groove 7b is formed at the lower end of the joint member 7 as a means for detachably mounting the joint member 7 and the screen cloth 4, the mounting method is necessarily It is not limited. For example, as shown in FIG. 6, a clip mechanism 30 for tightly fitting the upper end 4a of the screen cloth 4 is formed by the spring 31 at the lower portion of the joint member 7, and The top 4a of the screen cloth 4 may be detachably mounted.

 As described above, according to the present invention, in the roller curtain with which the screen cloth can be easily replaced, the screen cloth replacing method of the roller curtain which can perform screen cloth replacement in the state in which the rotation of the winding roller is locked even without a dedicated locking mechanism. To provide.

Claims (6)

In the method of replacing the screen cloth of the roller curtain with the screen material so as to replace the screen material via the joint member at the front end of the remaining fabric attached to the winding roller, The joint member is slidably provided in the width direction with respect to the remaining fabric, and the screen cloth and the remaining fabric are removed from the winding rollers and drawn out, and then the joint member is slid with respect to the remaining fabric to protrude in the width direction, And  Hooking the protruding portion of the joint member to a member on the side of the window frame that conceals the winding roller to prevent winding of the screen fabric and the remaining fabric, and in this state, separating and replacing the screen fabric from the joint member. Screen cloth exchange method of the roller curtain comprising a. delete The method of claim 1, The member of the said window frame side supports the edge part of the said winding roller, The screen cloth exchange method of the roller curtain characterized by the above-mentioned. With winding roller, Screen cloth, A residual cloth mounted to the winding roller, A joint member detachably connected to the front end of the remaining fabric and slidable in the width direction; A member on the side of the window frame capable of hanging a portion protruding in the width direction of the joint member when the joint member is slid in the width direction with respect to the remaining fabric in a state where the screen cloth and the remaining fabric are drawn out from the winding roller. And When the screen cloth is replaced, the portion protruding in the width direction of the joint member from the window frame side member is prevented from winding the screen cloth and the remaining cloth by the winding roller, The member on the window frame side conceals the winding roller. Roller curtain, characterized in that. delete The method of claim 4, wherein The member of the said window frame side supports the edge part of the said winding roller. The roller curtain characterized by the above-mentioned.

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