JP2015059337A - Soundproof wall, and spring metal fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a soundproof wall and a spring metal fitting, which allow that the spring metal fitting is easily detached in a state a soundproof panel is attached to a column and thereby the soundproof panel is easily detached from the column.SOLUTION: A spring metal fitting includes: a base plate part; an energizing part extended forward from a lower part of the base plate part; and an attachment plate part extended from a side part of the base plate part. A rear surface of the base plate part faces a front surface of a soundproof panel, the attachment plate part is detachably attached to the soundproof panel, and the energizing part is press-contacted to an inner side surface of a groove of a column, and thus, the front surface of the soundproof panel is energized to a direction separated from the inner side surface. The attachment plate part is detachably attached to the soundproof panel, and therefore, the spring metal fitting can be easily removed by removing the attachment plate part of the spring metal fitting from the soundproof panel.

Description

  The present invention relates to a soundproof wall that is installed by inserting a side end of a soundproof panel into a groove of a pillar made of H-shaped steel, and a spring metal fitting used for the installation of the soundproof wall.

  The soundproofing walls that use soundproofing panels such as sound absorbing panels that have sound absorbing materials inside and sound insulating panels that surround the sound insulating plates such as light-transmitting polycarbonate plates are separated by pillars that use H-shaped steel. An installation method is generally used in which a plurality of the soundproofing panels are inserted and both ends of the soundproofing panels are inserted into the grooves of each column and stacked. In such a soundproof wall, a spring metal fitting is attached between one inner side surface of the groove of the support column and the soundproof panel and biased so as to separate them, and the soundproof panel is moved to the other inner surface of the groove. The structure which suppresses rattling etc. by pressing is often used, and various inventions are disclosed for such a spring metal fitting.

  For example, in Patent Document 1, an H-shaped steel column 1 is erected on a roadway side line with its U-shaped grooves 2 and 2 facing each other, and the adjacent columns 1 and 1 are adjacent to each other. When the sound insulating plate 3 having a thickness T smaller than the groove width W is inserted between the grooves 2 and 2 facing each other, the sound insulating plate 3 is inserted into the gap S between the both ends of the sound insulating plate 3 and the groove 1. In the clasp of the sound insulation plate of the sound insulation wall of the integral leaf spring type automobile road fixed to the side plate 4a, the lateral side 4a to be brought into contact with the upper end surface of the sound insulation plate 3 and the sound insulation plate 3 respectively. The road side vertical side 4b that follows the upper part of the outer surface, the base 4c that is narrower than the difference S between the width W of the groove 2 and the thickness T of the sound insulation board 3, and the side surface 2b outside the groove 2 along the road side Outer insertion part which consists of outer vertical side 4d of substantially the same length on vertical side 4b and whose width increases upward 4, and an upper side 4e and an inclined side 4f following the outer vertical side 4d, and an inner portion 24 having a cross-section that is convex toward the road side surrounded by the outer portion 14 is formed. A clasp for a sound insulation plate of a noise barrier of an automobile road is disclosed.

Japanese Utility Model Publication No. 4-57513

  However, since the fastener shown in Patent Document 1 is attached with the lateral side 4a abutting against the upper end surface of the sound insulation plate 3, when the sound insulation plate 3 is stacked and installed, the lateral side 4a moves up and down. If it is sandwiched between the sound insulation plates 3 and the fasteners are to be removed, the sound insulation plate 3 installed above must be removed, and the work of removing the sound insulation panels such as the sound insulation plates from the column becomes complicated. was there.

  The present invention provides a spring metal fitting that can be removed in a state in which a soundproof panel is attached to a column, and a soundproof wall using the spring metal fitting.

In order to achieve the above object, the present invention is configured as follows.
That is, the soundproof wall according to the present invention is a soundproof wall that is installed by inserting the end portion of the soundproof panel into the groove portion of the column in which the groove portion is formed along the vertical direction,
The soundproof panel includes a rectangular soundproof material, and vertical frame members that are respectively disposed at both left and right end portions of the soundproof material and are inserted into the groove portions of the support columns. A frame inner surface extending rearward from the inner end, and
A spring metal fitting is disposed between the soundproof panel and the column,
The spring metal fitting includes a base plate portion, a biasing portion extending forward from a lower portion of the base plate portion, and a mounting plate portion extending rearward from the side portion of the base plate portion,
The mounting plate portion is detachably attached to the inner side surface of the vertical frame member with the rear surface of the substrate portion facing the front surface of the vertical frame member of the soundproof panel, and the biasing portion is a groove portion of the column. The front surface of the vertical frame member is urged in a direction to be separated from the inner surface of the groove portion.

According to the soundproof wall according to the present invention, an end portion of the soundproof panel is inserted into the groove portion of the support column in which the groove portion is formed in the vertical direction, and the soundproof panel includes a rectangular soundproof material and the soundproof material. Each frame is provided with a front frame and a frame inner surface extending rearward from an inner end of the front surface. With
A spring metal fitting is disposed between the soundproof panel and the column,
The spring metal fitting is provided with a substrate portion and a biasing portion extending forward from the lower portion of the substrate portion,
The rear surface of the substrate portion is opposed to the front surface of the vertical frame member of the soundproof panel, and the urging portion is pressed against the inner surface of the groove portion of the support column so that the front surface of the vertical frame member is separated from the inner surface. Since the urging force is applied in the direction in which the soundproofing panel is attached, rattling or displacement of the soundproofing panel attached to the column is suppressed and stabilized.
Further, the spring metal fitting is provided with a mounting plate portion extending rearward from the side portion of the substrate portion,
Since the rear surface of the substrate portion is opposed to the front surface of the vertical frame member of the soundproof panel and the attachment plate portion is detachably attached to the inner surface of the frame of the vertical frame member, the attachment plate portion of the spring bracket attached to the soundproof panel Can be removed from the inner surface of the vertical frame member, and the spring metal fitting can be easily removed from the soundproof panel.

Further, the soundproof wall according to the present invention is a soundproof wall that is installed by inserting an end portion of a soundproof panel into the groove portion of the column in which the groove portion is formed along the vertical direction,
A spring metal fitting is disposed between the soundproof panel and the column,
The spring metal fitting includes a base plate portion, an urging portion extending forward from a lower portion of the base plate portion, and a mounting plate portion extending laterally from the side portion of the base plate portion,
The rear surface of the substrate portion is opposed to the front surface of the soundproof panel, the attachment plate portion is detachably attached to the front surface of the soundproof panel, and the urging portion is pressed against the inner surface of the groove portion of the support column. The front surface of the soundproof panel is biased in a direction in which the front surface is separated from the inner surface of the groove.

According to the soundproof wall of the present invention, the rear surface of the substrate portion is opposed to the front surface of the soundproof panel, the urging portion is pressed against the inner side surface of the groove portion of the support column, and the front surface of the soundproof panel is disposed on the groove portion. Since the urging force is applied in a direction away from the inner side surface, the soundproofing panel attached to the column is prevented from rattling, misalignment, and the like, and is stabilized.
In addition, since the mounting plate portion extending from the side portion of the substrate portion to the side is provided and the mounting plate portion is detachably attached to the front surface of the soundproof panel, the mounting plate portion of the spring metal fitting attached to the soundproof panel is provided. The spring metal fitting can be easily removed from the soundproof panel by removing it from the front face of the soundproof panel.

Further, the spring metal fitting according to the present invention is a spring metal fitting used for a soundproof wall to be installed by inserting an end portion of a soundproof panel into the groove portion of the column in which the groove portion is formed along the vertical direction,
The spring metal fitting includes a substrate portion, a biasing portion extending forward from a lower portion of the substrate portion, and a mounting plate portion extending from a side portion of the substrate portion,
The mounting plate portion is detachably attached to the soundproof panel with the rear surface of the substrate portion facing the front surface of the soundproof panel, and the soundproofing portion is pressed against the inner side surface of the groove portion of the column. The front surface of the panel can be urged in a direction to be separated from the inner side surface.

According to the spring metal fitting according to the present invention, the board part includes a board part, a biasing part that extends forward from a lower part of the board part, and a mounting plate part that extends from a side part of the board part. The rear surface of the soundproof panel is opposed to the front surface of the soundproof panel, and the biasing portion is pressed against the inner surface of the groove portion of the support column so that the front surface of the soundproof panel is biased in a direction away from the inner surface. When the end portion of the soundproof panel is inserted and installed in the groove portion of the support column in which the groove portion is formed along the direction, rattling or positional deviation of the soundproof panel is suppressed and stabilized.
In addition, since the attachment plate portion is detachably attached to the soundproof panel, the spring metal fitting can be easily removed by removing the attachment plate portion of the spring metal fitting from the soundproof panel.

  According to the soundproof wall and the spring metal fitting according to the present invention, the spring metal fitting can be easily removed in a state where the soundproof panel is attached to the column, and the work of removing the soundproof panel from the column becomes easier.

1 shows an embodiment of a soundproof wall according to the present invention, (A) is a plan view, and (B) is a front view. It is a front view which shows the soundproof panel of FIG. FIG. 3 is a right side view of the soundproof panel of FIG. 2. It is AA sectional drawing of FIG. 2 which shows the cross section of the vertical frame material vicinity of a soundproof panel. 2A is a plan view, FIG. 2B is a front view, and FIG. 2C is a side view. FIG. 3 is a perspective view of the vicinity of a left vertical frame member of the soundproof panel of FIG. 2. It is AA sectional drawing of FIG. 1 which shows the state which attached the soundproof panel of FIG. 2 to the support | pillar. It is a side view which shows another form of implementation of the spring metal fitting which concerns on this invention. 2A is a plan view, FIG. 2B is a front view, and FIG. 2C is a side view. 2A is a plan view, FIG. 2B is a front view, and FIG. 2C is a side view. Another embodiment of a spring metal fitting is shown. (A) is a plan view, (B) is a front view, and (C) is a side view.

Embodiments of the present invention will be specifically described with reference to the drawings.
In the drawing, 1 is a soundproof wall.
The soundproof wall 1 of the present embodiment is formed by stacking rectangular soundproof panels 2 in a plurality of stages up and down, and the soundproof panels 2 are bridged and fixed between struts 9 standing at intervals. I am letting.

The support column 9 is provided on both sides of the support column 9 so as to have a groove portion 91 along the vertical direction. Specifically, each support column 9 has two flanges 95a and 95b and a web between them. A so-called H-shaped steel having an H-shaped cross section with 96 is used. Each strut 9 has the flange 95a and the flange 95b arranged on the front side and the rear side, respectively, and the flanges 95a and 95b and the web 96 formed therebetween form the groove 91. Each is arranged and erected.
Further, each support column 9 is arranged and erected so that the interval between the webs 96 is formed slightly larger than the lateral size of the soundproof panel 2.

The soundproof panel 2 is supported and fixed between the columns 9 by inserting both end portions in the longitudinal direction into the grooves 91 of the columns 9.
Specifically, the spring metal fitting 3 is arranged between the front surface of the end portion of the soundproof panel 2 inserted into the groove portion 91 and the rear surface of the flange 95a constituting the inner surface of the groove portion 91. The spring fitting 3 urges the soundproof panel 2 so as to press it against the rear flange 95b.
The soundproof panel 2 is engaged by inserting both ends of the soundproof panel 2 in the longitudinal direction into the groove portion 91, supported and fixed without falling forward or rearward of the support column 9, and by the urging of the spring fitting 3, Even if it receives vibrations caused by traffic, it does not cause friction with the column 9 and its deterioration is suppressed.

2 is a front view showing the soundproof panel 2 of FIG. 1, and FIG. 3 is a right side view of the soundproof panel 2 of FIG.
The soundproof panel 2 of the present embodiment includes a soundproof material 21 formed in a rectangular plate shape, a horizontal frame member 22 attached to the upper and lower ends of the soundproof material 21, and left and right end portions of the soundproof material 21, respectively. The vertical frame members 23 are provided so as to be inserted into the groove portions 91 of the support columns 9.
The horizontal frame member 22 and the vertical frame member 23 are framed by being fastened by fastening members (not shown) such as rivets and fixing their ends.
The soundproof material 21 of the present embodiment is a light-transmitting plate material, and is formed of, for example, a synthetic resin such as a polycarbonate plate or an acrylic plate, glass, or the like.

The horizontal frame member 22 and the vertical frame member 23 of the present embodiment are formed in the same cross-sectional shape, and are made of, for example, an aluminum alloy and formed by extrusion.
4 is a cross-sectional view taken along line AA of FIG. 2 showing a cross section of the soundproof panel 2 in the vicinity of the vertical frame member 23.
The vertical frame member 23 and the horizontal frame member 22 of the present embodiment are a front surface 25a disposed on the front surface side of the soundproof panel 2, a rear surface 25b disposed on the rear surface side of the soundproof panel 2, and the soundproof material 21 side, that is, the front surface 25a and the rear surface 25b. Are formed in a rectangular cross-sectional shape including a frame inner side surface 25c arranged at the inner end of the frame and an outer side of the soundproofing material 21, that is, a frame outer side surface 25d arranged at the outer end of the front surface 25a and the rear surface 25b. A single mounting groove 24 is formed on the inner side surface 25c of the frame so as to extend along the longitudinal direction, and the end of the soundproof material 21 is fitted into the mounting groove 24 via a buffer member K, respectively. .
Each vertical frame member 23 is framed by abutting the upper end and the lower end of the vertical frame member 23 on the frame inner side surface 25c of each horizontal frame member 22 and fixing the end portions thereof. The front surface 25a and the rear surface 25b of each vertical frame member 23 and each horizontal frame member 22 are arranged to be flush with each other.

  As shown in FIGS. 2 and 3, the spring metal fitting 3 is arranged and attached to the front side of the vertical frame member 23 and the horizontal frame member 22 of the soundproof panel 2. Specifically, two spring metal fittings 3b are attached in the vicinity of the upper ends of the left and right vertical frame members 23, respectively, and two spring metal fittings 3c are attached in the vicinity of the lower ends of the vertical frame members 23, one in total. A total of two spring metal fittings 3a are attached between the spring metal fittings 3b and 3c, that is, near the center of the left and right vertical frame members 23, and a total of six spring metal fittings 3 are attached to the soundproof panel 2. Yes.

5 shows the spring metal fitting 3a attached near the center of the vertical frame member 23 in FIG. 2, (A) is a plan view, (B) is a front view, and (C) is a side view. FIG. 5 shows the spring metal fitting 3a attached to the vertical frame member 23 arranged on the left side of the soundproof panel 2 of FIG. Note that the spring metal fitting 3a attached to the vertical frame member 23 arranged on the right side of FIG. 2 is formed in a symmetrical shape of the spring metal fitting 3a shown in FIG.

  The spring metal fitting 3a of the present embodiment shown in FIG. 5 includes a rectangular plate-shaped substrate portion 31 whose plate surface is directed in the front-rear direction, a biasing portion 32 that extends forward from the lower portion of the substrate portion 31, and the substrate. A mounting plate portion 36 extending rearward from the side portion of the portion 31 is provided. In the spring metal fitting 3a of this embodiment, one plate-shaped steel material is bent to integrally form the substrate portion 31, the urging portion 32, and the mounting plate portion 36.

The urging portion 32 includes a bent portion 33 that bends upward from the lower portion of the substrate portion 31, a rectangular plate-like front plate portion 34 that extends obliquely upward from the bent portion 33, and a front plate portion 34. A rectangular plate-like upper plate portion 35 extending rearward and obliquely downward from the upper end is formed.
The urging portion 32 of the present embodiment is provided so that the distance between the front plate portion 34 and the substrate portion 31 increases as it goes upward, and the interval between the front plate portion 34 and the substrate portion 31 is reduced. When a force is applied, the front plate portion 34 and the curved portion 32 are provided to be elastically deformed.
Further, when a force that reduces the distance between the front plate portion 34 and the substrate portion 31 is further applied, the lower end of the upper plate portion 35 is provided so as to contact the front surface of the substrate portion 31. A state in which the distance between the front plate portion 34 and the substrate portion 31 becomes excessively small is less likely to occur.

The attachment plate portion 36 is formed in a rectangular plate shape and is provided so as to extend rearward from the right side portion of the rectangular plate-like substrate portion 31.
In addition, two circular through holes 37 are formed in the mounting plate portion 36, and the through holes 37 are arranged side by side in the vertical direction at intervals.

9 shows the spring metal fitting 3b attached near the upper end of the vertical frame member 23 in FIG. 2, (A) is a plan view, (B) is a front view, and (C) is a side view. FIG. 9 shows the spring metal fitting 3b attached to the vertical frame member 23 arranged on the left side of the soundproof panel 2 of FIG. Note that the spring metal fitting 3b attached to the vertical frame member 23 arranged on the right side of FIG. 2 is formed in a symmetrical shape of the spring metal fitting 3b shown in FIG.

  The spring metal fitting 3b of the present embodiment shown in FIG. 9 includes a rectangular plate-shaped substrate portion 31 whose plate surface is directed in the front-rear direction, a biasing portion 32 that extends forward from the lower portion of the substrate portion 31, and the substrate. An attachment plate portion 36 extending from the side portion of the portion 31 to the side is provided. In the spring metal fitting 3b of this embodiment, one plate-shaped steel material is bent, and the substrate portion 31, the urging portion 32, and the mounting plate portion 36 are integrally formed.

The urging portion 32 of the spring metal fitting 3b, like the urging portion 32 of the spring metal fitting 3a, is a bent portion 33 that bends upward from the lower portion of the base plate portion 31, and extends obliquely upward and forward from the bent portion 33. A rectangular plate-shaped front plate portion 34 and a rectangular plate-shaped upper plate portion 35 extending obliquely downward from the upper end of the front plate portion 34 are formed.
The urging portion 32 of the present embodiment is provided so that the distance between the front plate portion 34 and the substrate portion 31 increases as it goes upward, and the interval between the front plate portion 34 and the substrate portion 31 is reduced. When a force is applied, the front plate portion 34 and the curved portion 32 are provided to be elastically deformed.
Further, when a force that reduces the distance between the front plate portion 34 and the substrate portion 31 is further applied, the lower end of the upper plate portion 35 is provided so as to contact the front surface of the substrate portion 31. A state in which the distance between the front plate portion 34 and the substrate portion 31 becomes excessively small is less likely to occur.

The attachment plate portion 36 is formed in a rectangular plate shape and is provided so as to extend from the right side portion of the rectangular plate-like substrate portion 31 to the right side.
The mounting plate portion 36 is smaller in size in the vertical direction than the substrate portion 31 and is arranged on the upper portion of the substrate portion 31. The upper end of the mounting plate portion 36 and the upper end of the substrate portion 31 are arranged. Are connected in a straight line.
In addition, two circular through holes 37 are formed in the mounting plate portion 36, and the through holes 37 are arranged in parallel in the left-right direction with a space therebetween.

  10 shows the spring metal fitting 3c attached near the lower end of the vertical frame member 23 in FIG. 2, (A) is a plan view, (B) is a front view, and (C) is a side view. FIG. 10 shows a spring metal fitting 3c attached to the vertical frame member 23 arranged on the left side of the soundproof panel 2 of FIG. Note that the spring metal fitting 3c attached to the vertical frame member 23 arranged on the right side of FIG. 2 is formed in a symmetrical shape of the spring metal fitting 3c shown in FIG.

  A spring metal fitting 3c of the present embodiment shown in FIG. 10 includes a rectangular plate-like substrate portion 31 having a plate surface directed in the front-rear direction, a biasing portion 32 extending forward from a lower portion of the substrate portion 31, and the substrate. An attachment plate portion 36 extending from the side portion of the portion 31 to the side is provided. In the spring metal fitting 3c of this embodiment, one plate-shaped steel material is bent, and the substrate portion 31, the urging portion 32, and the mounting plate portion 36 are integrally formed.

The urging portion 32 of the spring metal fitting 3c is, like the urging portion 32 of the spring metal fittings 3a and 3b, a bent portion 33 that bends upward from the lower portion of the base plate portion 31, and an obliquely upward upward from the bent portion 33. A rectangular plate-shaped front plate portion 34 that extends and a rectangular plate-shaped upper plate portion 35 that extends obliquely downward from the upper end of the front plate portion 34 are formed.
The urging portion 32 of the present embodiment is provided so that the distance between the front plate portion 34 and the substrate portion 31 increases as it goes upward, and the interval between the front plate portion 34 and the substrate portion 31 is reduced. When a force is applied, the front plate portion 34 and the curved portion 32 are provided to be elastically deformed.
Further, when a force that reduces the distance between the front plate portion 34 and the substrate portion 31 is further applied, the lower end of the upper plate portion 35 is provided so as to contact the front surface of the substrate portion 31. A state in which the distance between the front plate portion 34 and the substrate portion 31 becomes excessively small is less likely to occur.

The attachment plate portion 36 is formed in a rectangular plate shape and is provided so as to extend from the right side portion of the rectangular plate-like substrate portion 31 to the right side.
The mounting plate portion 36 is formed to be smaller in size in the vertical direction than the substrate portion 31 and is disposed below the substrate portion 31.
In addition, two circular through holes 37 are formed in the mounting plate portion 36, and the through holes 37 are arranged in parallel in the left-right direction with a space therebetween.

FIG. 6 is a perspective view of the vicinity of the left vertical frame member 23 of the soundproof panel 2 of FIG.
The spring metal fitting 3a attached in the vicinity of the center of the vertical frame member 23 shown in FIG. 5 has the substrate portion 31 and the attachment plate portion 36 brought into contact with the front surface 25a and the frame inner side surface 25c of the vertical frame member 23, respectively. It is attached to the frame member 23.
Specifically, as shown in FIG. 4, the vertical frame member 23 is provided with a fixing member 5 including a bolt 51 and a nut 52, and the bolt 51 has a bolt head disposed in a hollow space of the vertical frame member 23. The male screw part is penetrated from the said hollow, and it is attached so that it may protrude from the frame inner side surface 25c. In the spring fitting 3a, the male screw portion of the bolt 51 is inserted into the through hole 37 of the mounting plate portion 36, and a nut 52 is screwed into the male screw portion of the bolt 51, whereby the spring fitting 3a is connected to the vertical frame member 23. It is attached to.
That is, the spring fitting 3a can be easily removed from the vertical frame member 23 by releasing the screwing between the bolt 51 and the nut 52 of the fixing member 5.

  The right vertical frame member 23 of the soundproof panel 2 in FIG. 2 is attached with a spring metal fitting 3a formed symmetrically with the shape shown in FIG. 5, and is the same as the left vertical frame member 23 shown in FIG. Is attached. That is, the spring metal fitting 3a has the rear surface of the base plate portion 31 disposed opposite to the front surface 25a of the vertical frame member 23 and brought into contact with the mounting plate portion 36 so as to face the inner surface 25c of the frame. The male screw portion of the bolt 51 of the fixing member 5 is inserted into the through hole 37 formed in the portion 36 and the nut 52 is screwed to be attached to the vertical frame member 23.

The spring metal fitting 3b attached to the vicinity of the upper end of the vertical frame member 23 shown in FIG. 9 makes the substrate part 31 abut on the vertical frame member 23 and the respective front surfaces 25a of the horizontal frame member 22 arranged above. A mounting plate portion 36 extending laterally from 31 is attached in contact with the front surface 25 a of the horizontal frame member 22.
Specifically, the fixing member 5 comprising a bolt 51 and a nut 52 is attached to the horizontal frame member 22, and the bolt 51 has its bolt head disposed in the hollow of the horizontal frame member 22, and its male screw portion. Are attached so as to penetrate from the hollow and protrude from the front surface 25a. In the spring fitting 3b, the male screw portion of the bolt 51 is inserted into the through hole 37 of the mounting plate portion 36, and the nut 52 is screwed into the male screw portion of the bolt 51, thereby attaching the spring fitting 3b.
That is, if the screwing of the bolt 51 and the nut 52 of the fixing member 5 is released, the spring fitting 3b can be easily removed.

The spring metal fitting 3c attached to the vicinity of the lower end of the vertical frame member 23 shown in FIG. 10 brings the substrate portion 31 into contact with the vertical frame member 23 and the respective front surfaces 25a of the horizontal frame member 22 arranged below. A mounting plate portion 36 extending laterally from 31 is attached in contact with the front surface 25 a of the horizontal frame member 22.
Specifically, the fixing member 5 comprising a bolt 51 and a nut 52 is attached to the horizontal frame member 22, and the bolt 51 has its bolt head disposed in the hollow of the horizontal frame member 22, and its male screw portion. Are attached so as to penetrate from the hollow and protrude from the front surface 25a. In the spring fitting 3c, the male screw portion of the bolt 51 is inserted into the through hole 37 of the mounting plate portion 36, and the nut 52 is screwed into the male screw portion of the bolt 51, thereby attaching the spring fitting 3c.
That is, if the screwing of the bolt 51 and the nut 52 of the fixing member 5 is released, the spring fitting 3c can be easily removed.

  2 is attached to the right side of the soundproof panel 2 with a spring metal fitting 3b formed symmetrically with the shape shown in FIG. 9, and a spring metal fitting 3c formed symmetrically with the shape shown in FIG. They are attached in the same manner as the spring metal fittings 3b and 3c shown in FIGS. That is, the spring metal fittings 3b and 3c are arranged such that the rear surface of the base plate portion 31 is disposed opposite to the front surface 25a of the vertical frame member 23, and the mounting plate portion 36 is disposed opposite to the front surface 25a of the horizontal frame member 22. The male screw portion of the bolt 51 of the fixing member 5 attached to the horizontal frame member 22 is inserted into the through-hole 37 formed in the attachment plate portion 36, and the nut 52 is screwed.

7 is a cross-sectional view taken along the line AA in the vicinity of the center of the vertical frame member 23 of FIG. 1 showing a state in which the soundproof panel 2 of FIG.
FIG. 7 shows an enlarged cross section near the spring fitting 3a.
The support column 9 is provided in an H-shaped cross section in which a web 96 is formed between a flange 95a disposed on the front side and a flange 95b disposed on the rear side, and the soundproof panel 2 includes the flanges 95a. , 95b, the vertical frame member 23 is inserted into the groove 91 formed between them.

In the soundproof panel 2 of the present embodiment, the distance from each rear surface 25b of the vertical frame member 23 to the front end of each urging portion 32 of the spring metal fittings 3a, 3b, 3c is formed to be larger than the width before and after the groove portion 91. Yes. For this reason, when the vertical frame member 23 is inserted into the groove portion 91, the front plate portion 34 of the urging portion 32 of the spring metal fittings 3a, 3b, 3c is pressed against the rear surface of the flange 95a constituting the inner surface of the groove portion 91. The front plate portion 34 and the curved portion 33 are elastically deformed, and the distance between the front plate portion 34 and the substrate portion 31 is reduced. Due to the force that the front plate portion 34 and the curved portion 33 try to restore, the front surface 25a of the vertical frame member 23 is directed rearwardly away from the rear surface of the flange 95a that constitutes one inner surface of the groove portion 91. The rear surface 25b of the vertical frame member 23 is provided so as to be pressed against the front surface of the flange 96b constituting the other inner surface of the groove 91.
In addition, each spring metal fitting 3 a, 3 b, 3 c is attached to the vertical frame member 23 or the horizontal frame member 22 via the fixing member 5 inserted through the attachment plate portion 36, but each attachment plate portion 36 is attached to the substrate portion 31. Since each of the urging portions 32 is elastically deformed, there is no problem that the urging portion 32 deformed contacts the fixing member 5 when the urging portion 32 is elastically deformed. When removing the fixing member 5 in order to remove the spring metal fittings 3a, 3b, 3c from the soundproof panel 2, the urging portion 32 is unlikely to be an obstacle to work.

In the soundproof panel 2 of the present embodiment, when the vertical frame member 23 is inserted into the groove portion 91 of the support column 9, the front surface 25 a and the rear surface 25 b of the vertical frame member 23 are directed toward the flanges 95 a and 95 b constituting the groove portion 91. It arrange | positions so that the frame inner surface 25c may face the opening part of the groove part 91. As shown in FIG.
Regarding the spring metal fitting 3a of the present embodiment, the fixing member 5 is inserted into the through-hole 37 of the mounting plate portion 36 that contacts the inner surface 25c of the frame and is attached to the vertical frame member 23, so that the fixing member 5 is outside the groove portion 91. The fixing member 5 can be easily removed by inserting a tool or the like from the opening portion of the groove portion 91, and the spring metal fitting 3a can be easily removed with the soundproof panel 2 attached to the support column 9. be able to.
Further, in the spring metal fitting 3a of the present embodiment, the attachment plate portion 36 is brought into contact with the frame inner side surface 25c of the vertical frame member 23 directed to the opening portion of the groove portion 91, so that the attachment plate portion 36 and the frame inner side surface 25c are contacted. The spring metal fitting 3a is dragged out of the gap between the vertical frame member 23 and the flange 25a by inserting a tool such as a chisel formed in a taper shape between them and the spring metal fitting 3a. 9 can be easily removed.

In addition, regarding the spring metal fittings 3b and 3c of the present embodiment, when the vertical frame member 23 of the soundproof panel 2 is inserted into the groove portion 91 of the support column 9, the mounting plate portion 36 extended to the side of the substrate portion 31 is provided. It is provided so as to be disposed outside the groove portion 91.
Therefore, the fixing member 5 for attaching the spring metal fittings 3b and 3c to the soundproof panel 2 can be easily seen from the outside of the groove portion 91 and the work for removing the fixing member 5 can be easily performed. The spring metal fittings 3b and 3c can be easily removed in the state attached to.

11A and 11B show another embodiment of the spring metal fitting 3. FIG. 11A is a plan view, FIG. 11B is a front view, and FIG. 11C is a side view.
In the spring metal fitting 3d shown in FIG. 11, the size of the mounting plate 36 extending in the vertical direction from the side of the board portion 31 is set to be substantially the same as that of the board portion 31, and each through hole 37 is provided. Is the main matter different from the spring metal fittings 3b and 3c shown in FIGS.

  That is, the spring metal fitting 3d of the present embodiment includes a rectangular plate-shaped substrate portion 31 having a plate surface directed in the front-rear direction, a biasing portion 32 extending forward from the lower portion of the substrate portion 31, and the substrate portion 31. The urging portion 32 includes a bent portion 33 that bends upward from the lower portion of the substrate portion 31, and a diagonally upward frontward direction from the bent portion 33. A rectangular plate-shaped front plate portion 34 that extends and a rectangular plate-shaped upper plate portion 35 that extends obliquely downward from the upper end of the front plate portion 34 are provided.

The mounting plate portion 36 has a vertical size that is substantially the same as that of the substrate portion 31 and extends from the right side of the substrate portion 31 to the right side. Two circular through holes 37 are juxtaposed in the vertical direction at intervals.

  The spring metal fitting 3d of the present embodiment does not include the frame inner side surface 25c like the soundproof panel 2 shown in FIGS. 1 to 4, for example, and the front surface of the end portion of the soundproof panel inserted into the groove portion 91 of the column 9 is the groove portion 91. It can be suitably attached to a soundproof panel that extends to the outside.

The spring metal fitting 3 according to the present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist of the present invention.
FIG. 8 is a side view showing another embodiment of the spring metal fitting 3a according to the present invention.
The spring metal fitting 3a shown in FIG. 8 (a) has a rectangular plate-like lower portion between the bent portion 33 connected to the substrate portion 31 and the front plate portion 34 extending obliquely upward in the urging portion 32. The point provided with the plate portion 38 is different from the embodiment of FIG. Further, the spring metal fitting 3a shown in FIG. 8B differs from the embodiment of FIG. 5 in that the radius of curvature of the curved portion 33 connected to the substrate portion 31 is formed larger.
The spring metal fitting 3a is configured as shown in FIGS. 8A, 8B, etc., so that the size of the space between the substrate portion 31 and the front end of the urging portion 32 and the size of the urging force are changed. Therefore, the soundproof panel 2 having various sizes can be attached to the support column 9 having the groove portions 91 having various sizes by being biased with an appropriate force.
Further, the biasing portion 32 of the spring metal fitting 3b shown in FIG. 9, the biasing portion 32 of the spring metal fitting 3c shown in FIG. 10, and the biasing portion 32 of the spring metal fitting 3d shown in FIG. You may form like the spring metal fitting 3a shown in FIG.

The soundproof wall 1 according to the present invention is not limited to the embodiment shown in FIGS. 1 to 10 and can be variously modified without departing from the gist of the present invention.
For example, the soundproof panel 2 of the soundproof wall 1 described above uses a light-transmitting rectangular plate material for the soundproof material 21, but is not limited thereto, and the soundproof material is in the shape of a rectangular box with a sound absorbing material. 21 may be formed.
In the above description, the front surface side of the vertical frame member 23 to which the spring metal fitting 3 is attached is referred to as the front surface 25a, and the rear surface side is referred to as the rear surface 25b, but the front surface 25a is on the noise side, that is, on the side where the vehicle travels. May be installed with the front surface 25a facing away from the noise and the rear surface 25b facing the noise side. The direction is not particularly limited.
Moreover, although the soundproof panel 2 of the soundproof wall 1 shown above is formed by attaching the vertical frame member 23 separately from the soundproof member 21, the present invention is not limited to this, and the vertical frame member 23 and the soundproof member 21 are not limited thereto. May be formed integrally.

DESCRIPTION OF SYMBOLS 1 Soundproof wall 2 Soundproof panel 21 Soundproof material 22 Horizontal frame material 23 Vertical frame material 24 Mounting groove 25a Front surface 25b Rear surface 25c Frame inner side surface 25d Frame outer side surface 3 Spring metal fitting 31 Substrate part 32 Energizing part 33 Bending part 34 Front board part 35 Top Plate portion 36 Mounting plate portion 37 Through hole 38 Lower plate portion 5 Fixing member 51 Bolt 52 Nut 9 Strut 91 Groove portion 95a Flange 95b Flange 96 Web K Buffer member

Claims (3)

A soundproof wall that is installed by inserting an end portion of a soundproof panel into the groove portion of the column in which the groove portion is formed along the vertical direction,
The soundproof panel includes a rectangular soundproof material, and vertical frame members that are respectively disposed at both left and right end portions of the soundproof material and are inserted into the groove portions of the support columns. A frame inner surface extending rearward from the inner end, and
A spring metal fitting is disposed between the soundproof panel and the column,
The spring metal fitting includes a base plate portion, a biasing portion extending forward from a lower portion of the base plate portion, and a mounting plate portion extending rearward from the side portion of the base plate portion,
The mounting plate portion is detachably attached to the inner side surface of the vertical frame member with the rear surface of the substrate portion facing the front surface of the vertical frame member of the soundproof panel, and the biasing portion is a groove portion of the column. A soundproof wall, wherein the soundproof wall is pressed against the inner side surface and biased in a direction to separate the front surface of the vertical frame member from the inner side surface of the groove. A soundproof wall that is installed by inserting an end portion of a soundproof panel into the groove portion of the column in which the groove portion is formed along the vertical direction,
A spring metal fitting is disposed between the soundproof panel and the column,
The spring metal fitting includes a base plate portion, an urging portion extending forward from a lower portion of the base plate portion, and a mounting plate portion extending laterally from the side portion of the base plate portion,
The rear surface of the substrate portion is opposed to the front surface of the soundproof panel, the attachment plate portion is detachably attached to the front surface of the soundproof panel, and the urging portion is pressed against the inner surface of the groove portion of the support column. A soundproof wall characterized in that the front surface of the soundproof panel is urged in a direction in which the front surface is separated from the inner surface of the groove. A spring metal fitting used for a soundproof wall to be installed by inserting an end portion of a soundproof panel into the groove portion of the column in which a groove portion is formed along the vertical direction,
The spring metal fitting includes a substrate portion, a biasing portion extending forward from a lower portion of the substrate portion, and a mounting plate portion extending from a side portion of the substrate portion,
The mounting plate portion is detachably attached to the soundproof panel with the rear surface of the substrate portion facing the front surface of the soundproof panel, and the soundproofing portion is pressed against the inner side surface of the groove portion of the column. A spring metal fitting, wherein the front surface of the panel can be urged in a direction in which the front surface of the panel is separated from the inner surface.

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