JPH0629291Y2 - Acoustic panel mounting structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a structure for attaching a panel for improving the acoustic characteristics of a room to a wall surface of the room, etc. Moreover, it is easy to install and replace.

[Conventional technology]

The acoustic panel is attached to the wall surface of the room or the like and used to set the acoustic characteristics of the room to a desired state. As a structure for attaching an acoustic panel to a wall surface of a room or the like, conventionally, there is a structure in which the acoustic panel is directly attached to the wall with an adhesive. However, in such a mounting structure, since it is necessary to apply an adhesive to the entire back surface of the acoustic panel, the construction is difficult, and once it is attached to the wall, it cannot be easily replaced. It was also impossible to change the acoustic characteristics.

Therefore, as a solution to such a problem and to facilitate the construction and replacement, an actual application of the applicant's application, Sho 60
-33205 specification. this is,
As shown in FIG. 2, rails 12 and 14 are formed in the upper and lower portions of the acoustic panel 10, and as shown in FIG. 3, the rail 12 of the acoustic panel 10 is attached to a wall 13 to which the acoustic panel 10 is attached. Guide rails 16 and 18 that engage with the guide rails 14 and 14 are provided.

However, in such an attachment structure, there is a drawback that the operation of attaching and detaching the wall surface is troublesome. That is, the third
As shown by the arrow in the figure, the upper rail 1 of the acoustic panel 10
2 is inserted into the guide rail 16 (arrow), the lower part of the acoustic panel 10 is pushed forward (arrow) in that state, and the lower side rail 14 is released when the acoustic panel 10 is upright.
It was necessary to drop the arrow into the guide 18 (arrow). In addition, a certain amount of clearance is required in the vertical direction for attachment / detachment, which causes rattling. Further, the upper engagement structure (engagement between the guide rail 16 and the rail 12) is only excessive equipment.

[Problems to be solved by the invention]

This invention solves the problems in the prior art, and provides an acoustic panel mounting structure that is easy to attach and detach, has no vertical rattling, and has an extremely simple engaging structure. It is a thing.

[Means for solving problems]

This invention relates to an acoustic panel, which is formed in a substantially rectangular flat plate shape and has acoustic characteristics in which one surface is sound absorbing and the other surface is reflective, and the width of the acoustic panel is approximately at the center in the thickness direction of the lower end of the acoustic panel. Rails formed along the direction,
A spring and a steel ball are housed in a recess formed in the center of the upper end of the acoustic panel in the thickness direction, and the steel ball is urged upward by the spring and the upper part thereof is the upper end of the acoustic panel. And an elastic engaging portion that is retained so as to project upward from the upper portion of the acoustic panel, with respect to the upper and lower guide rails formed on the wall surface of the room. By engaging the lower guide rail and engaging the protruding portion of the steel ball in the elastic engaging portion of the upper end portion of the acoustic panel with the upper guide rail, the acoustic panel is attached to any surface thereof. Is attached so as to be slidable and detachable along the guide rail toward the front.

[Action]

According to the solving means of the present invention, the steel ball is urged by the spring by simply pushing the upper end of the acoustic panel forward while the lower end of the acoustic panel is engaged with the lower guide rail. The acoustic panel can be attached to the wall surface by engaging with the guide rail.

Also, when the acoustic panel is attached to the wall surface, the upper end of the acoustic panel is supported by the guide rail with a steel ball in a state close to point contact, so that the guide rail is used despite the elastic engagement. The frictional force between and decreases, and the acoustic panel can be easily slid along the guide rail.

Also, since the rail at the lower end of the acoustic panel and the steel ball at the upper end are arranged almost at the center in the thickness direction of the acoustic panel, the acoustic panel can be attached to the wall surface with either the sound absorbing surface or the reflecting surface facing up. be able to.

〔Example〕

 One embodiment of this invention is shown in an exploded perspective view in FIG.

In FIG. 1, the acoustic panel 30 is a glass wool 32.
The plywood 34 is attached to one surface of the one side, and the outer periphery is supported by the frame body 36 to form the acoustic panel section 38. The glass wool 32 side constitutes a sound absorbing section, the plywood 34 side constitutes a reflecting section, and either side is used as a table depending on the purpose of use.

Fixing grooves 42 and 44 for fixing the upper and lower ends of the decorative cloth 40 are formed in the upper side 36A and the lower side 36B of the frame 36, respectively. The decorative cloth 40 is made of elastic cloth such as Saran in a tubular shape, and has upper and lower ends opened. The decorative cloth 40 has its opening 40
By inserting the acoustic panel portion 38 from a or 40b, the acoustic panel portion 38 is covered. Decorative cloth 4
In 0, the circumferential direction is configured to be slightly shorter than the outer circumference of the acoustic panel unit 38, and the vertical direction is configured to have substantially the same length as the acoustic panel unit 38. Therefore, in the state in which it is attached to the acoustic panel portion 38, the decorative cloth 40 is attached in a tensioned and wrinkle-free state, and its upper and lower end portions are slightly protruded from the upper and lower end portions of the acoustic panel portion 38. .

The upper cross fixing member 46 is composed of a flat plate having the same length and width as the upper end portion of the acoustic panel portion 38, and is press-fitted into the fixing groove 42 of the frame upper side portion 36A at the center portion of the lower surface thereof.
A ridge portion 48 to be fitted and an elastic engagement portion 50 for supporting the acoustic panel 30 on a guide rail (reference numeral 70 in FIG. 5) are formed at the center of the upper surface thereof. The upper cloth fixing member 46 press-fits and fits the protruding portion 48 into the fixing groove 42 with the upper end portion of the decorative cloth 40 sandwiched between the frame upper side portion 36A and the upper cloth fixing member 46 (if necessary). Then, it is attached to the upper end portion of the acoustic panel portion 38. As a result, the upper end of the decorative cloth 40 is fixed to the acoustic panel section 38.

The lower cross fixing member 52 has ridges 5 on its upper and lower surfaces.
4, 56 are respectively configured. The lower cloth fixing member 52 is press-fitted and fitted with the protruding portion 54 in the fixing groove 44 with the lower end portion of the decorative cloth 40 being sandwiched between the frame lower side portion 36B and the lower cloth fixing member 52. (Adhesive if necessary.) And is attached to the lower end of the acoustic panel section 38. As a result, the lower end portion of the decorative cloth 40 is fixed to the acoustic panel portion 38.

The structure of the elastic engaging portion 50 is shown in a sectional view in FIG. The elastic engagement portion 50 includes a mounting plate 60 and a tubular portion 62 (recess) fixed to the lower surface of the mounting plate 60. Tubular part 6
A spring 64 and a steel ball 66 are accommodated in 2, and the spring 64 urges the steel ball 66 upward. A locking hole 68 is formed in the center of the mounting plate 60, and a steel ball 66 biased upward is locked in the locking hole 68 so that the upper part of the steel ball 66 is slightly above the mounting plate 60. It is held in a protruding state. The mounting plate 60 is formed with screw holes 65, 65, and the screws 67, 67 are inserted into the screw holes 65, 65 to be fixed to the upper cross fixing member 46.

FIG. 5 shows a state in which the acoustic panel 30 of FIG. 1 described above is mounted on the wall surface. In FIG. 5, a guide rail member 71 forming a guide rail (concave groove) 70 is attached to the upper portion of the wall surface 74. Further, a guide rail member 73, which constitutes a guide rail (concave groove) 72, is attached to the lower portion of the wall surface 74.

When mounting the acoustic panel 30, the rail 56 at the lower end of the acoustic panel 30 is fitted into the guide rail 72 as shown by the solid line 30 in FIG. Acoustic panel 30 in this state
If the upper part of is pressed forward, the acoustic panel 30 rotates about the lower end as indicated by the arrow. At this time, the steel ball 66 of the elastic engaging portion 50 contacts the guide rail member 71.
If the acoustic panel 30 is pushed forward as it is, the steel ball 66
Is pushed downward against the biasing force of the spring 64, gets over the guide rail member 71, and fits into the guide rail 70. In this way, as shown by the chain double-dashed line 30 'in FIG. When installed,
The acoustic panel 30 can move along the guide rails 70 and 72. In this case, the upper end of the acoustic panel 30 has a steel ball 66.
Since it is supported by the guide rail 70 in a state close to a point contact, it can be easily slid with a small frictional force even though elastic engagement is used.

On the contrary, when removing the acoustic panel 30 from the wall surface 74, pulling the upper portion of the acoustic panel 30 toward you causes the steel ball 66 to move.
Rides over the guide rail member 71 and can be easily removed.

[Effect of device]

As described above, according to the present invention, one end of the acoustic panel can be held in position by elastic engagement, so that the acoustic panel can be easily attached and detached. Further, unlike the conventional device, there is no need for a vertical allowance (gap) for attachment / detachment, so rattling can be prevented. Further, even when the acoustic panel is slid laterally, a rail as in the prior art (reference numeral 1 in FIG. 2 is provided at one end of the acoustic panel.
Since 2) is unnecessary, the engagement structure at one end of the acoustic panel is simple.

Also, when the acoustic panel is attached to the wall surface, the upper end of the acoustic panel is supported by the guide rail with a steel ball in a state close to point contact, so that the guide rail is used despite the elastic engagement. The frictional force between and decreases, and the acoustic panel can be easily slid along the guide rail.

Also, since the rail at the lower end of the acoustic panel and the steel ball at the upper end are arranged almost at the center in the thickness direction of the acoustic panel, the acoustic panel can be attached to the wall surface with either the sound absorbing surface or the reflecting surface facing up. be able to.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention. FIG. 2 is a perspective view showing a conventional acoustic panel. FIG. 3 is a side view showing the mounting operation of the acoustic panel of FIG. FIG. 4 is a sectional view showing the structure of the elastic engaging portion 50 in FIG. FIG. 5 is a side view showing the mounting operation of the acoustic panel of FIG. 30 ... Acoustic panel, 50, ... Elastic engagement part, 56 ...
Rails, 62 ... Cylindrical part (recess), 64 ... Springs, 66
…… Steel balls, 70,72 …… Guide rails.

Claims (1)

[Scope of utility model registration request] 1. An acoustic panel, which is formed in a substantially quadrangular flat plate shape and has acoustic characteristics in which one surface is sound absorbing and the other surface is reflective, and the acoustic panel has a lower end portion at a substantially central portion in a thickness direction of the acoustic panel. A spring and a steel ball are housed in a rail formed along the width direction and in a recess formed in the center of the upper end of the acoustic panel in the thickness direction.The steel ball is moved upward by the spring. An elastic engagement portion that is biased and is retained in a state where its upper portion projects above the upper end portion of the acoustic panel and is retained by the upper and lower guide rails formed on the wall surface of the room. The lower rail of the acoustic panel is engaged with the lower guide rail, and the protruding portion of the steel ball in the elastic engagement portion of the upper end of the acoustic panel is engaged with the upper guide rail. By the front Mounting structure for acoustic panels comprising mounted for and with removable slide along the guide rail toward the acoustic panel that any plane in the table.