JPH07217345A - Guide rail structure of shutter curtain - Google Patents

Abstract

PURPOSE:To exchange a sound deadening band, in which abrasion, etc., are generated, easily as the state is left as it is even when a guide rail is fixed onto a building body. CONSTITUTION:Sound deadening bands 7, which have saw-tooth-shaped sectional fitting projecting strips 11 in the rears 8a of guide surfaces 8b abutted against a shutter curtain 3 and to which engaging projecting strips 9 are formed along the longitudinal direction, and engaging recessed grooves 5 being placed onto each opposed internal surface of the opening-side both edge sections 4a of the sliding groove 4 of a guide rail l respectively while being integrally formed with the guide rail 1 and having saw-tooth-shaped sectional fitting projecting strips 6 are provided. The engaging projecting strips 9 of the sound deadening bands 7 are fitted detachably into the engaging recessed grooves 5, thus mounting the sound deadening bands 7 on the guide rail 1.

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 in a sliding groove of the guide rail for guiding 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 A conventional shutter curtain has a sound deadening band that uses a moire-raised structure on a belt-shaped base. The sound deadening band is placed inside the sliding groove of a guide rail made of aluminum or the like. Fix in the formed mounting groove etc.,
The mohair serves to eliminate the impact sound between the guide rail and the shutter curtain when the shutter curtain slides.

[0003]

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

Therefore, if the mohair is worn or deformed, that is, "sag" occurs in the process of repeatedly opening and closing the shutter curtain, and the sufficient silencing effect cannot be maintained, the silencing band is replaced. There is a need to.

However, as described above, the muffling band is fixed inside the guide rail, and in order to replace the muffling band, it is necessary to remove the guide rail from the building frame, and the muffling band can be easily replaced. There is a problem that you can not do it.

Therefore, in order to solve the above-mentioned problems, the present invention makes it possible to easily replace a deadening band caused by wear or the like, even if a guide rail is fixed to a building frame, as it is. The purpose is to provide a guide rail structure.

[0007]

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 4 of the guide rail 1 and on the surface that guides the shutter curtain 3, and the guide rail 1 and the shutter curtain when the shutter curtain 3 slides. In the guide rail structure of the shutter curtain 3 equipped with a muffling band 7 for canceling the impact sound between the shutter curtain 3 and the guide surface 8b, the guide surface 8b is in contact with the shutter curtain 3.
The engaging protrusions 9 are formed on the rear surface 8a of the sliding member 4 on the silencing bands 7, 7'formed along the longitudinal direction, and on the inner surfaces of the sliding groove 4 facing the open side edges 4a. An engaging groove 5 which is integrally formed with the rail 1 and into which the engaging protrusions 9 of the muffling bands 7, 7'are detachably fitted, and in which the muffling bands 7, 7'are mounted. It is characterized by that.

Further, the guide rail structure of the shutter curtain of the present invention is located in the sliding groove 4 of the guide rail 1 and on the surface for guiding the shutter curtain 3, and the guide for sliding the shutter curtain 3 is provided. Rail 1
In the guide rail structure of the shutter curtain 3 equipped with the muffling band 7A for canceling the impact sound between the shutter curtain 3 and the shutter curtain 3, the engaging concave groove 22 is long in the back surface 7Aa of the guide surface 7Ab that contacts the shutter curtain 3. Muffling bands 7A, 7A 'formed along the direction, and the muffling bands 7A and 7A', which are respectively formed on the inner surfaces of the sliding groove 4 facing each other on both open side edges 4a and are integrally formed with the guide rail 1. Engagement ridge 21 into which the engagement groove 22 of 7A, 7A 'is detachably fitted, and the sound deadening band 7A, 7A' is attached
And are provided.

[0009]

[Operation] Both open side edges 4a of the sliding groove 4 of the guide rail 1
The engaging ridges 9 formed on the back surface 8a of the sound deadening band 7 (7 ′) are fitted into the engaging concave grooves 5 integrally formed on the inner surfaces facing each other, so that the guide rail 1 is silenced. Obi 7
Attach (7 '). Muffler band 7 (7 ') attached
The guide surface 8b comes into contact with the front and rear surfaces of the shutter curtain 3 to prevent the generation of impact noise between the guide rail 1 and the shutter curtain 3. And this silence band 7
Since (7 ') is detachable from the guide rail 1, when the silencer band 7 (7') has deteriorated in function due to, for example, wear and needs to be replaced, the shutter curtain 1 Can be taken out and installed from the open side of the sliding groove 4 with the sound absorbing band 7 open.
(7 ') can be exchanged.

Note that the engagement groove 5 of the guide rail 1 is formed as an engagement ridge 21, and the engagement ridge 9 of the noise eliminator 7 (7 ') is used as an engagement groove 22 to reduce the noise. 7A ′), each may be detachable.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an overall front view showing a shutter device having an embodiment of a guide rail structure for a shutter curtain according to the present invention, FIG. 2 is a sectional view taken along line II-II in FIG. 1, and FIG. It is a partially expanded disassembled top view of the guide rail structure by an example. First, as shown in FIG. 1, guide rails 1 and 1 are attached to the left and right sides of an opening M of a building frame, respectively, and a shutter drawn out from a shutter case 2 arranged above the building opening M. The left and right edges of the curtain 3 are guided.

As shown in FIG. 2, the guide rail 1 is formed in a substantially U-shaped cross section having sliding grooves 4 for guiding and supporting the left and right edges of the shutter curtain 3.
Engagement grooves 5 having a substantially dovetail shape are integrally formed on both edges 4a on the open side of the sliding groove 4 along the longitudinal direction (vertical direction).

As shown in FIG. 2, the engaging groove 5 is located on each of the inner surfaces of the sliding groove 4 of the guide rail 1 facing each other on both open side edges 4a, that is, on the surface for guiding the shutter curtain 3. Then, the groove openings 5a are formed integrally with the guide rail 1 so as to face each other, and the inner surface of the groove 5 facing each other has a sawtooth cross-sectional shape as shown in FIG. A plurality of fitting protrusions 6 are formed along the longitudinal direction of the engaging groove 5.

The guide rail 1 is made of an aluminum alloy or the like, and the guide rail 1 having the continuous cross-sectional shape is obtained by a method such as extrusion molding.

Further, as shown in FIGS. 2 and 3, a muffling band 7 is attached to each of the engaging recessed grooves 5. The sound deadening band 7 is formed of a resin material such as polypropylene having elasticity and excellent in durability and weather resistance, and as shown in FIG. 3, a band-shaped base portion 8 having a slightly curved cross section, A pair of engaging projections 9 parallel to each other are formed on one surface 8a, which is the back surface of the base portion 8, in a substantially π-shaped cross section protruding in the longitudinal direction, and the other surface 8b that serves as a guide surface. Mohair hairs 9 are continuously planted like a brush.

The pair of engaging ridges 9 are extended so that both ends of the pair of engaging ridges 9 are slightly expanded with respect to the base portion 8, and a plurality of mating members each having a sawtooth-shaped cross-section are formed on respective outer surfaces. The projecting ridges 11 are formed along the longitudinal direction of the base portion 8.

As shown in FIG. 2, the muffling band 7 has a pair of engaging projections 9 inserted into the engaging concave grooves 5 formed in the guide rail 1 and at the same time engaging with each other. 9
The fitting ridge 11 and the fitting ridge 6 of the engaging groove 5 are fitted and fitted so as to mesh with each other. At this time, since the tips of the pair of engaging projections 9 are formed to be slightly expanded,
The fitting protrusions 6 and 11 are surely fitted because the fitting protrusions 9 are compressed and compressed so that the gap is shortened, and in the mounted state, the engaging protrusions 9 have elasticity in a direction in which they extend toward each other. It fits tightly and is attached in that state. In addition, when the muffling band 7 is attached, both edges of the base portion 8 come into contact with and cover both edges of the opening of the engaging groove 5 as shown in FIG.

As a result, the tips of the mohair hairs 10 of each muffling band 7 extend from the opening side of the engaging concave groove 5 toward the inside of the guide rail 1, that is, the inside of the sliding groove 4, as shown in FIG. As described above, the shutter curtain 3 comes into elastic contact with and slides on the front and rear surfaces.

Therefore, when the function of the muffling band 7 deteriorates due to, for example, sagging or wear of the mohair hair 10 and it becomes necessary to replace it, sliding the guide rail 1 with the shutter curtain 3 open. It is possible to remove from the open side of the moving groove 4, and when mounting the muffling band 7, the muffling band 7 is fixed to the guide rail 1 side without using fixing means such as screws or rivets. This can be done by fitting it into the engaging groove 5 from the opening side of the sliding groove 4, that is, by making it detachable from the guide rail 1, the silencer band 7 can be easily replaced.

From this, even if the guide rail 1 is fixed to the building frame, the guide rail 1
It is possible to attach and detach only the muffling band 7 to and from the guide rail 1 without removing it.

In the embodiment described above, the structure of the sound deadening band 7 is described as an example in which the mohair hairs 10 are planted integrally on the band-shaped base portion 8, but as shown in FIG. A strip-shaped mounting member 13 having a dovetail groove 12 formed to extend toward the inner side of 8b and having a substantially π-shaped cross section.
And the sound deadening band main body 15 in which the mohair hair 10 is planted in the band shaped base 14, are separately formed, and the band shaped base 14 of the sound deadening band main body 15 is inserted into the dovetail groove 12 of the band shaped mounting member 13. It may be used as the muffling band 7 '. In this case, the sound deadening band main body 15 and the band-shaped mounting member 13 may be bonded and fixed to each other so as to be fixed to each other.
The same effect as above can be obtained even with the guide rail structure including the above.

Further, in the above-mentioned embodiment, both the engaging groove 5 of the guide rail 1 and the engaging ridge 9 of the muffler band 7 are provided.
Fitting ridges 6 and 11 having serrated cross-sections for fitting each other
Although the example in which each is formed is described, as shown in FIG. 5, the cross-sectional shape of the engaging concave groove 5 formed in the guide rail 1 is a substantially C-shaped deeply curved groove, and the silencing band 7 is formed. The engaging ridges 9 may each have a shape having a semicircular bulge portion 11 ′ on the outer side surface, and the engaging ridges 9 may be fitted and fitted to each other. In this case as well, as shown in FIG. 6, the band-shaped mounting member 13 having the dovetail groove 12 and the muffling band main body 15 may be separately configured to be a muffling band 7'having a structure in which they are combined.

Further, in each of the above-described embodiments, the engaging groove 5 is formed in the guide rail 1, the engaging ridge 9 is formed in the sound deadening band 7 (7 '), and the engaging ridge 9 is formed. Although the sound deadening band 7 (7 ′) is fitted in the sliding groove 4 of the guide rail 1 by fitting it into the engaging groove 5, as shown in FIG.
Engagement ridges 21 integral with the guide rail 1 are formed on the inner surfaces of the open side edges 4a of the sliding groove 4 of the guide rail 1 that are integrated with the guide rail 1, and the engagement groove 22 is formed on the back surface 7Aa side of the muffling band 7A. The engaging concave groove 22 may be fitted into the engaging convex strip 21 and the sound deadening band 7A may be mounted in the sliding groove 4 of the guide rail 1.

In this case, the engaging projection 21 formed in the sliding groove 4 of the guide rail 1 is, for example, as shown in FIG.
The cross-sectional shape is formed in a substantially arrow shape in which a widened portion 23 having an arrowhead shape is formed at the tip, and the engaging groove 2 of the sound deadening band 7A is formed.
2 has a configuration in which it is formed in a groove that widens in a depth corresponding to the engaging projection 21 and has a substantially U-shaped cross section.

Also, the structure of the sound deadening band 7A of this embodiment may be similar to the structure of the sound deadening band 7 of the above-mentioned embodiment, in which the mohair hair 10 is planted like a brush on the surface 7Ab serving as the guide surface. Often (see FIG. 8), as shown in FIG. 9, the dovetail groove 24 is formed so as to extend inward on the guide surface 7Ab side.
And a sound deadening band main body 15 in which the mohair hair 10 is planted in the band-shaped base 14 are formed as separate bodies, and the dovetail groove of the band-shaped mounting member 25 is formed. The band-shaped base 14 of the sound deadening band main body 15 may be inserted into 24 and used as the sound deadening band 7A ′. In this case, the sound deadening band body 15 and the band-shaped mounting member 25 may be bonded and fixed to each other so as to be fixed to each other.

Also in this embodiment, as in the above-mentioned embodiments, the silencing band 7A (7A ') deteriorates in function due to, for example, fatigue of the mohair hair 10 or abrasion, and replacement is required. In this case, it is possible to remove the shutter curtain 1 from the open side of the sliding groove 4 of the guide rail 1 with the shutter curtain 1 open. Also, when attaching the muffling band 7A (7A ′) to the guide rail 1 side. Silent band 7A (7A ') without using fixing means such as screws and rivets
Can be performed by fitting the engaging projection 22 from the opening side of the sliding groove 4 of the guide rail 1, that is, the structure that is detachable with respect to the guide rail 1 makes it possible to reduce the noise band 7A (7).
A ') can be easily replaced, and even if the guide rail 1 is fixed to the building frame, the sound deadening band 7A (7A) can be removed from the guide rail 1 without removing the guide rail 1. It is possible to attach and detach only ') and exchange it.

In each of the above-mentioned embodiments, the muffling band 7,
In the structure of 7A, the example in which the mohair hairs 10 are planted in a brush shape on the guide surfaces 8b and 7Ab which are in contact with the shutter curtain 3 has been described, but as shown in FIG. 10, a resin material having flexibility and elasticity is used. It may be configured as the sound deadening band 7, 7A in which the hollow tube-shaped contact portion 30 is formed. Also in this case, as shown in FIG. 11, the sound deadening band main body 31 and the band-shaped mounting members 13 and 25 are separately molded, and the sound deadening bands 7'and 7 are configured to be integrally assembled.
It may be A '.

The combination of the shapes of the engaging projection 9 and the engaging groove 5, and the engaging groove 22 and the engaging convex portion 21 described in each of the above-described embodiments are such that they can be detached from each other. if there is,
Needless to say, the present invention is not limited to the above example.

[0029]

As described above, in the guide rail structure of the shutter curtain according to the present invention, when the sound deadening band is worn or settled, its function is deteriorated, and it is necessary to replace the shutter curtain, With it open
The muffler band can be removed from the open side of the sliding groove of the guide rail.
It can be done by mounting the sound deadening band from the slide groove opening side of the guide rail without using fixing means such as screws or rivets on the guide rail side, that is, the sound deadening band can be freely replaced with respect to the guide rail. The effect is that it can be done.

Then, an engaging groove (engaging ridge) is integrally formed in the sliding groove of the guide rail, and an engaging ridge (engaging groove) corresponding to the engaging groove is formed in the sound deadening zone. Since the structures can be attached to and detached from each other, there is an effect that the work of exchanging the muffling band can be performed easily and quickly.

Further, from the above, there is an effect that even when the guide rail is fixed to the building frame, only the sound deadening band can be detached and replaced without removing the guide rail.

[Brief description of drawings]

FIG. 1 is an overall front view showing a shutter device including an embodiment of a guide rail structure for a shutter curtain according to the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a partially enlarged exploded plan view of the guide rail structure according to the embodiment.

FIG. 4 is a partially enlarged exploded plan view of a guide rail structure according to another embodiment.

FIG. 5 is a partially enlarged exploded plan view of a guide rail structure according to another embodiment.

FIG. 6 is a partially enlarged exploded plan view of a guide rail structure according to another embodiment.

FIG. 7 is a plan sectional view of a guide rail structure according to another embodiment.

FIG. 8 is a partially enlarged exploded plan view of a guide rail structure according to another embodiment.

FIG. 9 is a partially enlarged exploded plan view of a guide rail structure according to another embodiment.

FIG. 10 is a plan cross-sectional view of a sound deadening band according to another embodiment.

FIG. 11 is a plan sectional view of a silence band according to another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Guide rail 3 ... Shutter curtain 4 ... Sliding groove 5 ... Engagement concave groove 7, 7 ', 7A, 7A' ... Muffling band 8a ... Back surface (one surface) 8b ... Guide surface (other surface) 9 ... Engagement protrusion 21 ... Engagement protrusion 22 ... Engagement groove

Claims (2)

[Claims] 1. A muffler which is located in a slide groove of a guide rail and which guides a shutter curtain, and which eliminates impact noise between the guide rail and the shutter curtain when the shutter curtain slides. In a guide rail structure of a shutter curtain equipped with a belt, a sound deadening band in which an engaging protrusion is formed along a longitudinal direction on a back surface of a guide surface that abuts on the shutter curtain, and open side edges of the sliding groove. And an engaging groove formed integrally with the guide rail, the engaging projections of the sound deadening band are detachably fitted, and the sound absorbing band is mounted. Guide rail structure for shutter curtains. 2. A muffler which is located in a sliding groove of the guide rail and which is located on a surface for guiding the shutter curtain, and which eliminates impact noise between the guide rail and the shutter curtain when the shutter curtain slides. In a guide rail structure of a shutter curtain equipped with a belt, a sound deadening band in which an engaging concave groove is formed along a longitudinal direction on a back surface of a guide surface that abuts the shutter curtain, and both open side edges of the sliding groove. Of the engaging ridges, which are respectively located on the inner surfaces facing each other and are integrally formed with the guide rails, into which the engaging concave grooves of the sound deadening band are detachably fitted, and which are fitted with the sound deadening band. Guide rail structure for shutter curtains.