JPH0649812A - Soundproof panel - Google Patents

Abstract

PURPOSE:To facilitate removal of a soundproof panel, which is fitted between opposing struts and which forms a sound insulating wall, from the struts when maintenance is required due such cases as an accident or superannuation. CONSTITUTION:A hollow side frame 2 is provided along both sides of an acoustical panel body 1 and when accomplishing construction, the side frame 2 is inserted into the groove on an H-type strut 5 and fitted to the strut 5. The soundproof panel body 1 and the side frame 2 are fitted together in a freely removable manner by means of a bolt 3 inserted into the inner part of the soundproof panel from the front thereof. The side frame 2 is bolted so that a side frame body 22 and an auxiliary material 23 can be separated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soundproof panel that is installed along a road or railroad line and is installed between columns that are erected at a predetermined interval to form a soundproof wall. For example, the present invention relates to a soundproof panel that can be attached to and detached from a support when maintenance is required.

[0002]

2. Description of the Related Art Conventionally, as this type of soundproof panel, for example, as shown in FIG. 3, both sides of a soundproof panel body 7 in which a sound absorbing material 72 is inserted into a box 71 having a front plate 73 with a hole and a sound insulating back plate 74. A mounting portion 75 protruding laterally is provided on the front surface side of the portion, the mounting portion 75 is brought into contact with the front surface of the H-shaped strut 5, and is detachably mounted by a bolt 8 from the front surface side of the strut. is there.

[0003]

However, in such a conventional soundproof panel, in order to bolt the mounting portion projecting to the side to the H-shaped column, the column must be preliminarily drilled for bolting. At the same time, the support pillars must be erected so that the bolt holes of the mounting portions and the bolt holes of the support pillars are matched with each other. Further, since the mounting portion is bolted to the front surface of the H-shaped support, the head of the bolt projects to the front surface of the support, which is unsightly and unsatisfactory.

An object of the present invention is to provide a soundproof panel that solves the above-mentioned conventional problems.

[0005]

In order to solve the above problems, the present invention provides a soundproof wall by providing hollow side frames on both sides of a soundproof panel body and inserting the side frames into the grooves of the H-shaped support. The soundproof panel body is detachably attached to the side frame from the front side. Also, the side frame can be divided so that the fall prevention wire inserted in the side frame can be removed, and the side frame can be replaced.

That is, the soundproof panel of the present invention comprises a soundproof panel body and side frames which are provided along both sides of the soundproof panel body and are inserted into the grooves of the H-shaped support at the time of construction. Is a sound absorbing material inserted into a box body having a perforated front plate and a sound insulation back plate, mounting recesses are provided on the rear surfaces of both sides of the box body, and the side frame is a mounting projection on the back side that conforms to the above mounting recesses. A hollow body having a substantially L-shaped cross section having a portion, a fall prevention wire is inserted thereinto, the mounting projection is fitted in the mounting recess, and the box is provided via the front plate of the soundproof panel body. The soundproof panel body and the fitting portion of the side frame are detachably attached by a bolt embedded in the body.

Further, the side frame is divided into a side frame body having an opening in the length direction on the side facing the soundproof panel body, and an auxiliary material for closing the opening, one end of the auxiliary material being the soundproof panel body. It is detachably attached to one opening edge portion of the side frame body by a bolt for attachment to the side frame, and the other end portion is detachably attached to the other opening edge portion of the side frame body by a bolt.

[0008]

The soundproof wall is formed by stacking a plurality of soundproof panels by inserting the side frames on both sides of the soundproof panel body into the grooves of the H-shaped pillars standing upright at a predetermined interval. The fall prevention wire is inserted. When maintenance is required due to an accident or deterioration, the bolts embedded in the box of the soundproof panel body of the relevant soundproof panel are removed via the front plate, and the soundproof panel body is removed from the side frame. It In some cases, the bolts of the side frame are removed to divide the side frame to remove the fall prevention wire, and the side frame is also removed from the support. If necessary, the soundproof panel body and side frames can be repaired or replaced with new ones.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. In the drawings, 1 is a soundproof panel body,
A sound absorbing material 12 such as glass wool is inserted in a metal panel-shaped box body 11. The box 11 has a hollow panel shape having openings on both left and right sides by a perforated front plate 13 having a large number of sound absorbing holes and a sound insulating back plate 14, and the opening is closed by side plates 15. ing.

As shown in FIG. 2, side walls 15 are bent to form mounting recesses 16 on the back surfaces of both sides of the soundproof panel body 1, that is, on the back surfaces of both sides of the box body 11.
Further, bolt insertion holes 17 for embedding the bolts 3 in the box body 11 are formed on both sides of the front plate 13 as described later.

Reference numeral 2 denotes a side frame, which is a hollow metal body and has a substantially L-shaped cross section having a mounting projection 21 on the back side that fits into the mounting recess 16. The side frames 2 are provided on both sides of the soundproof panel body 1, and the mounting recess 16 and the mounting projection 21 are fitted to each other as shown in FIG.
The fitting portion is detachably attached by a bolt 3 embedded in the box body 11 from a bolt insertion hole 17 of the front plate 13 of the soundproof panel body 1.

The side frame 2 may be an integrally molded hollow body, but normally, the side frame body 22 having an opening along the length direction on the side facing the soundproof panel body 1, and the above-mentioned opening. It is divided into auxiliary materials 23 for closing the parts. in this case,
As shown in FIG. 2, one end of the auxiliary member 23 is attached to one opening edge of the side frame main body 22 by the bolt 3 for mounting the soundproof panel main body 1 and the side frame 2, and the other end is attached to the side frame main body 22 by the bolt 4. On the other hand, they are detachably attached to the opening edges.

In the soundproof panel of the present invention, the side frames 2 on both sides of the soundproof panel body 1 are inserted into the opposing grooves of the H-shaped columns 5 standing upright at predetermined intervals to form a soundproof wall by stacking a plurality of them. The fall prevention wire 6 is inserted into the side frame 2. Also, the stacked soundproofing panels are stacked without being fitted to the soundproofing panels adjacent to each other so as to be independently removable.

The side frame 2 has a predetermined size that can be inserted into the groove of the H-shaped support column 5, and as shown in FIG. 2, a protrusion 24 is provided on the front surface side adjacent to the soundproof panel body 1, and the side frame 2 is provided. 2 does not enter the groove of the H-shaped column 5 more than necessary. Further, 25 is a sealing material made of foam rubber provided on the front surface of the side frame 2.

[0015]

As described in detail above, the soundproof panel of the present invention comprises the soundproof panel body and the side frames inserted into the grooves of the H-shaped support on both sides of the soundproof panel body. It can be installed by inserting it into the groove of the mold strut, and unlike the conventional case, it is not necessary to drill holes for bolting the strut, and the accuracy of the upright spacing of the strut can be relaxed and the workability can be improved.

Further, since the fitting portion between the soundproof panel main body and the side frame is detachably attached by the bolt embedded in the box body through the front plate of the soundproof panel main body, the side frame inserted in the groove of the support column. On the other hand, the soundproof panel body can be removed from the front surface side, and the mounting bolts are not hidden in the soundproof panel body and do not project to the front surface, which does not impair the appearance as in the conventional case.

Further, the side frame is divided into a side frame main body and an auxiliary member, and one end portion of the auxiliary member is attached to one opening edge portion of the side frame main body and the other end portion by a bolt for mounting the soundproof panel main body and the side frame. Since it is detachably attached to the other opening edge of the side frame body with bolts, the side frame is also divided during maintenance when removing the soundproof panel body, and the fall prevention wire inside the side frame is removed, and the side that is added to the soundproof panel body is removed. The frame can also be replaced.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a soundproof panel of the present invention.

FIG. 2 is an enlarged sectional view of a main part taken along the line AA of FIG.

FIG. 3 is a partially cutaway sectional view showing a mounting example of a conventional soundproof panel.

[Explanation of symbols]

 1 Soundproof panel main body 11 Box body 12 Sound absorbing material 13 Front plate 14 Back plate 15 Side plate 16 Mounting recess 17 Bolt insertion hole 2 Side frame 21 Mounting projection 22 Side frame body 23 Auxiliary material 3, 4 Bolt 5 H-shaped support 6 Fall prevention wire

Claims (2)

[Claims] 1. A soundproof panel main body, and a side frame provided along both sides of the soundproof panel main body and inserted into a groove of an H-shaped support at the time of construction. The soundproof panel main body is a perforated front plate. A sound absorbing material is inserted into a box body having a sound-insulating back plate, mounting recesses are provided on the rear surfaces of both side portions of the box body, and the side frame has a mounting projection that conforms to the mounting recess on the back side. It was made into a hollow body, and the fall-prevention wire was inserted inside, and the mounting projection was fitted into the mounting recess, and it was embedded in the box body through the front plate of the soundproof panel body. A soundproof panel in which the soundproof panel body and the above-mentioned fitting part of the side frame are detachably attached by bolts. 2. The side frame body is divided into a side frame body having an opening in the longitudinal direction on the side facing the soundproof panel body, and an auxiliary material for closing the opening, one end of the auxiliary material being the soundproof panel body. 2. The soundproof panel according to claim 1, wherein one bolt is attached to the side frame to one opening edge of the side frame body, and the other end is detachably attached to the other opening edge of the side frame body with a bolt.