JPH07293159A - Guide rail structure of shutter curtain - Google Patents

Abstract

PURPOSE:To change a silencer belt easily, by providing a locking member and a holding member, engaging a short size claw and a long size claw to a long size locking claw and a short size locking claw respectively, and providing a silencer belt in which projecting pieces are projected on the inner and the outer surfaces of a contact to connect the claws. CONSTITUTION:When the convexes 14 of a silencer belt 13 contacting directly to a shutter curtain 3 are abraded, or when the tips of projecting pieces 16 at the inner surfaces of contacts 12 are abraded, the engagements of claws 6, 10, 7, and 11 are made inadequate each other. In this case, the shutter curtain 3 is fully opened, and the long size claws 11 of the silencer belt 13 are removed from the short size locking claws 7, so as to release their engagements. Then, the engagements of the short size claws 10 and the long size locking claws 6 are released, and the silencer 13 is rotated to the bottom side 1e of a sliding groove 1a by making the engaging position of the short size claws 10 and the locking claws 6 as the center. Then, the silencer belt 13 is removed from the locking claws 6 and 7, and picked out from the opening side 1d of the sliding groove la. Consequently, even when a vibration of the shutter curtain 3 in the vertical movement time is transmitted to the silencer 13, the vibration is absorbed by the elastic force of the projecting pieces 16, and the generation of vibration at the skeleton side of a building can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide rail structure for a shutter curtain, and more particularly to a guide rail structure which is located in a sliding groove of the guide rail and faces the shutter curtain when sliding the shutter curtain. The present invention relates to a guide rail structure for a shutter curtain equipped with a sound deadening band for eliminating impact noise between the guide rail and the shutter curtain.

[0002]

2. Description of the Related Art For the sound deadening band of a conventional shutter curtain, a substantially tubular structure made of a material that slides well against frictional sliding such as hard vinyl chloride, a structure in which mohair is raised on a band-shaped base, etc. This sound deadening band is fixed to a mounting groove or the like formed inside the sliding groove of a guide rail made of aluminum or steel. And
It works to eliminate impact noise between the guide rail and the shutter curtain when the shutter curtain is moved up and down, and wind noise caused by wind turbulence when the shutter curtain is closed.

[0003]

However, the above-described conventional sound deadening band is attached to the guide rail in order to prevent the shutter curtain from moving in the opening / closing direction, that is, the vertical direction, by sliding contact when opening / closing the shutter curtain. The mounting groove thus formed is fixed by caulking at a predetermined position, or by means such as adhesion.

Therefore, in the process of repeating the opening and closing of the shutter curtain, in the case of a silencing band having a mohair structure, the mohair is worn or deformed, that is, "sag" occurs, and a sufficient silencing effect is maintained. There is a drawback that you can not do it. Therefore, the guide rail and the shutter slat come into direct contact with each other, and a contact sound between metals is generated. In order to prevent this, it is necessary to replace the muffling band.

However, as described above, the sound deadening band is fixed in the mounting groove inside the guide rail, and in order to replace this sound deadening band, the guide rail must be removed from the building frame. There is a problem that it cannot be easily replaced.

Further, vibrations that occur when the shutter slat is moved cannot be prevented by the above-mentioned sound deadening band, and this vibration is transmitted to the guide rail side to generate noise, and this vibration is transmitted to the building frame. There is a problem that it is transmitted and a vibration sound is generated.

Therefore, the present invention has been made based on the above circumstances, and the replacement of a sound deadening band caused by wear or the like can be easily performed in the same state even if the guide rail is fixed to the building frame. It is an object of the present invention to provide a guide rail structure for a shutter curtain that is improved so that it can be executed and that does not generate wind noise or vibration noise.

[0008]

Means for achieving the above object will be described below with reference to the drawings corresponding to the embodiments. The guide rail structure of the shutter curtain of the present invention is located in the sliding groove of the guide rail and located on the sliding surface facing the front and back sides of the side edge of the shutter curtain guided by the guide rail. In a guide rail structure of a shutter curtain equipped with a sound deadening band for eliminating impact noise between the guide rail and the shutter curtain during sliding, a guide rail main body 1 having a sliding groove 1a and having a substantially U-shaped cross section. And on the sliding surface 1c facing the shutter curtain 3 on the open side 1d of the sliding groove 1a of the guide rail body 1, the side edge of the shutter curtain 3 is continuously formed over the entire length of the guide rail body 1. The pair of locking claws 6 and 7 projecting toward each other, the sliding of one locking claw 6 located on the rear side 1e of the sliding groove 1a. Than the projecting length relative to the surface 1c, the other locking claw 7 located on the open side 1d of the sliding groove 1a
A pair of long and short locking claws 6 and 7 formed to have a short protruding length, a support portion 8 (8A, 8B) provided between the pair of locking claws 6 and 7, and the long and short The pair of locking claws 6 and 7 has a short claw 10 that engages with the long locking claw 6 and a long claw 11 that engages with the short locking claw 7. The short claws 10 are connected by a flexible contact portion 12 to form a substantially U-shaped cross section, and the contact portion 12
A plurality of projecting strips 16 having a triangular cross-section and projecting substantially in the same direction as the long claws 11 and the short claws 10 and contacting the supporting portions 8 (8A, 8B) are provided on the inner surface 12a of the. It is characterized in that it has a sound deadening band 13.

The convex portion 14 may be formed on the outer surface of the contact portion 12 connecting the long claw 11 and the short claw 10 of the sound deadening band 13.

[0010]

[Function] The silencer band 13 deteriorates in function due to wear or the like,
When the need arises for replacement, with the shutter curtain 3 open, the long claws 11 of the muffling band 13 are pulled out from the short locking claws 7 to disengage each other, and the long claws 10 and the long claws 10 are released. When the engagement position with the long locking claw 6 is rotated as the center of rotation in the inward direction 1e of the sliding groove 1a, the silencing band 13 is removed from the locking claws 6 and 7, and the sliding groove 1a is removed. 1a can be taken out from the open side 1d, and when the muffling band 13 is attached to the guide rail 1 side, the short claw 10 is hooked on the long locking claw 6 at the back 1e of the sliding groove 1a, and The long claw 11 is engaged with the short locking claw 7 by the elastic return force by rotating the center and bending the contact portion 12 and pressing the long claw 11 against the short locking claw 7. Engaged with the claws 6 and 7,
It is attached.

When the muffling band 13 is attached to the guide rail main body 1, the elastic strip 1 is elastic.
Since 6 is in contact with the support portion 8 (8A, 8B), even if the vibration of the shutter curtain 3 is transmitted to the sound deadening band 13, the vibration is absorbed by the elastic force of the protruding piece 16 and a vibration sound is generated. Never.

[0012]

The present invention will be described in detail below with reference to the illustrated embodiments. In FIG. 1, reference numeral 1 is a guide rail main body attached to both left and right edges of an opening portion A of a building frame (not shown), and both side edges of a shutter curtain 3 drawn out from a shutter case 2 are It is guided in the facing sliding groove 1a.

As shown in FIG. 2, the guide rail main body 1 has a substantially U-shaped cross section, and edge portions 1b, 1 extending outwardly from each other on both open sides 1d of the sliding groove 1a.
b is formed.

Further, on the sliding surface of the shutter curtain 3 in the sliding groove 1a, that is, on the side of the facing inner surface 1c,
The mounting brackets 4 are fixed at the open sides 1d of the sliding grooves 1a.

As shown in FIG. 3, the mounting bracket 4 is formed in a substantially E-shaped cross section in which the strips at the center and one side of the substrate 5 are formed to project at right angles to each other at substantially the same length. Has been done.

The strip 4a at the substantially center has a distal end bent to form an L-shape, and the distal end portion thereof is a long engaging claw which also serves as one supporting portion 8A constituting the supporting portion 8 and which is one locking claw. It is the tip of the pawl 6.

Further, the strip 4b on one side is formed with a bent step portion in the vicinity of the substrate 5, and this step portion serves as the other locking claw paired with the elongated locking claw 6. The short locking claw 7 is formed, and the other supporting portion 8B bent in an L-shape extending from the tip of the short locking claw 7 in parallel with the long locking claw 6 is formed. There is.

In this mounting bracket 4, the long locking claws 6 of the locking claws 6 and 7 are provided on the rear side 1e of the sliding groove 1a.
As shown in FIGS. 2 and 5, the board 5 is fixed in the sliding groove 1a as shown in FIG. The locking claws 6 and 7 are fixed to the side surface (sliding surface) 1c so as to extend perpendicularly to the inner side surface 1c.

A sound deadening band 13 is attached to the mounting bracket 4. As shown in FIG. 3, the muffling band 13 has a short claw 10 and a long claw 11, and the cross section of the long claw 11 and the short claw 10 is connected by a flexible contact portion 12. In addition to being formed in a U shape, a curved convex portion 14 is formed at the center on the outer surface of the contact portion 12.

Further, on the inner side surface 12a of the contact portion 12, a projecting strip 16 having a triangular cross section which projects in the substantially same direction as the long claw 11 and the short claw 10 is arranged close to the claws 10, 11. It is formed integrally with the contact portion 12.

In this embodiment, the protruding strip 16 is formed to be shorter than the short nail 10 as shown in FIG.
Two rows are arranged side by side in the vicinity of 0 and 11, and are made of a material having elasticity such as rubber or synthetic resin.

As shown in FIGS. 2 and 5, in the sound deadening band 13, the short claw 10 is engaged with the long locking claw 6 of the pair of long and short locking claws 6 and 7 of the mounting bracket 4. Then, the long claws 11 are engaged with the short locking claws 7 to be attached to the mounting bracket 4, and the tips 16a of the protruding strips 16 are brought into contact with the supporting portions 8A and 8B. There is.

The inner side surface 11a of the muffling band 13 on the long claw 11 side is in contact with the side surface of the support portion 8B of the mounting bracket 4, and the outer side of the long claw 11 with respect to the support portion 8B. It is fixed with a screw 15 or the like.

Now, the sound deadening band 13 is attached to the mounting bracket 4
As shown in FIG. 4, as a procedure for attaching to, the short claw 10 is first hooked on the long locking claw 6 on the back side 1e side of the sliding groove 1a, and rotated around this point (arrow R in FIG. 4). By bending the center of the contact portion 12 to slightly widen the distance between the long claw 10 and the short claw 11 and pressing the long claw 11 toward the short locking claw 7, the long claw 11 is elastically restored. Is engaged with the short locking claws 7, is engaged with the respective locking claws 6, 7 of the mounting bracket 4, and is mounted as shown in FIG.

Then, as shown in FIG. 2, the contact portion 12 of the muffling band 13 slidably contacts the front and back surfaces of the side edges of the shutter curtain 3 inserted in the sliding groove 1a of the guide rail 1. To be done.

Therefore, according to the guide rail structure of the shutter curtain constructed as described above, when the silencer band 13 deteriorates in function due to wear and needs to be replaced, that is, the silencer band which directly contacts the shutter curtain 3. Thirteen
If the convex portion 14 on the outer surface of the contact portion is worn,
When the projection strip 16 on the inner surface of 2 is worn at its tip as shown in FIG. 6 and the engagement state of the claws 6, 10, 7, 11 is not appropriate, the shutter curtain 3 is all opened. Then, the long claws 11 of the sound deadening band 13 are pulled out from the short locking claws 7 to release their engagement with each other, and the short claws 10 and the long locking claws 6 slide about the rotation center. When the groove 1a is rotated in the inward direction (1e) (arrow line S in FIG. 4), the sound deadening band 13 is removed from the locking claws 6 and 7, and the sliding groove 1
It can be taken out from the opening 1d side of a, and the silencer band 13 can be easily replaced.

Then, in the state in which the muffling band 13 is attached to the guide rail main body 1, the protruding strip 16 is used as the supporting portion 8.
Since it is in contact with A and 8B, even if the vibration when the shutter curtain 3 moves up and down is transmitted to the sound deadening band 13, the vibration is absorbed by the elastic force of the protruding piece 16, and no vibrating noise is generated. In addition, this vibration is not transmitted to the building body side.

In the above embodiment, the pair of long and short locking claws 6, 7 is formed on the mounting bracket 4 and the mounting bracket 4 is fixed to the guide rail main body 1. The locking claws 6 and 7 may be formed integrally with the guide rail body 1.

Further, in the above-described embodiment, the supporting portions 8A,
Although the example in which 8B is formed integrally with the long and short locking claws 6 and 7 has been described, they may be formed separately from each other.

Further, in the above-described embodiment, the protruding strip 16
The example was described in which four rows of two rows are provided in close proximity to the short claws 10 and the long claws 11, but the number of the protruding strips 16 is not limited to this, and in the case of providing a large number, The same effect as described above can be obtained, and it is possible to cope with high vibration of the shutter curtain 3.

[0031]

As described above, according to the guide rail structure of the shutter curtain of the present invention, when the function of the shutter curtain is deteriorated due to wear and it becomes necessary to replace the silencer band, the shutter curtain is opened and the noise is suppressed. Remove the long claws of the belt from the short locking claws to disengage each other, and rotate the long claws in the depth direction of the sliding groove around the engagement position of the short claws and the long locking claws as the center of rotation. For example, the sound deadening band is removed from each locking claw, and it can be taken out from the open side of the sliding groove.
When attaching the sound deadening band to the guide rail side, hook the short claw on the long locking claw at the back of the sliding groove, rotate it around this and bend the center of the contact part, By pressing against the stop claws, the long claws are engaged with the short claws by the elastic return force, and the engagement claws of this mounting bracket can be engaged and mounted, so that the silencing band of the guide rail Even if the guide rail is fixed to the building side, it is possible to easily perform the replacement in that state.

Further, when the sound deadening band is attached to the guide rail main body, since the elastic ridge strip is in contact with the supporting portion, even if the vibration of the shutter curtain is transmitted to the sound deadening band, the ridge ridge is formed. The elastic force of one piece absorbs the vibration, so that no vibration noise is generated, and this vibration is not transmitted to the building body side.

Further, by forming a convex portion on the outer side surface of the contact portion of the sound deadening zone and keeping it in contact with the shutter curtain at all times, the shutter curtain itself sways due to wind or the like when the shutter curtain is moved up or down or closed. Since the movement is restricted, there is an effect that a quiet shutter device can be configured.

[Brief description of drawings]

FIG. 1 is an overall front view of a shutter provided with a guide rail structure for a shutter curtain according to the present invention.

FIG. 2 is a sectional view taken along line II-II of the guide rail structure in FIG.

FIG. 3 is an enlarged exploded cross-sectional view of a main part of the guide rail structure in the embodiment.

FIG. 4 is an enlarged cross-sectional view showing a state in which a sound deadening band having a guide rail structure is attached or detached in the embodiment.

FIG. 5 is an enlarged cross-sectional view of a main part of the guide rail structure according to the embodiment.

FIG. 6 is an enlarged sectional view of an essential part of the guide rail structure in the embodiment.

[Explanation of symbols]

 1 ... Guide rail main body 1a ... Sliding groove 1c ... Sliding surface (inner side surface) 1d ... Open side 1e ... Back side 3 ... Shutter curtain 6 ... One locking claw (long locking claw) 7 ... The other engagement Stop claw (short locking claw) 8 (8A, 8B) ... Support part 10 ... Short claw 11 ... Long claw 12 ... Contact part 12a ... Inner side surface 13 ... Silence zone 14 ... Convex part 16 ... Projection strip

Claims (2)

[Claims] 1. A guide for sliding the shutter curtain, which is located in a sliding groove of the guide rail and which faces a front surface and a rear surface of a side edge portion of the shutter curtain guided by the guide rail. In a guide rail structure of a shutter curtain equipped with a sound deadening band for canceling impact noise between the rail and the shutter curtain, a guide rail main body having a substantially U-shaped cross section with a sliding groove, and a slide of the guide rail main body. A pair of locking claws formed on the sliding surface facing the shutter curtain on the open side of the moving groove so as to continuously project toward the side edge of the shutter curtain over the entire length of the guide rail main body. The protruding length of the other locking claw located on the opening side of the sliding groove is shorter than the protruding length of the one locking claw located on the inner side of the sliding groove with respect to the sliding surface. A pair of long and short locking claws that are set and formed, a support portion that is provided between the pair of locking claws, and a short claw that engages with the long locking claws of the pair of long and short locking claws A long claw that engages with the short locking claw, and connects the long claw and the short claw with a flexible contact portion to form a substantially U-shaped cross section, and the contact portion A sound deadening band on the inner surface of which a plurality of projecting strips each having a triangular cross-section and projecting substantially in the same direction as the long claws and the short claws and contacting the supporting portion are provided. Characteristic shutter curtain guide rail structure. 2. The guide rail structure for a shutter curtain according to claim 1, wherein a convex portion is formed on an outer surface of a contact portion connecting the long claw and the short claw of the muffling band. .