JPH0729106U - Soundproof panel connection structure - Google Patents

Abstract

(57) [Summary] [Purpose] It is an object of the present invention to provide a soundproof panel connecting structure capable of reducing the number of connecting parts and performing the connecting work very easily. [Structure] Two soundproof panels 2 and 2 are provided with a notch groove 6 which is cut out from the side surface at a position facing each other on the front surface or the back surface of each of the two soundproof panels 2 and 2, and the side surfaces of the two soundproof panels 2 and 2 are butted against each other. Sometimes, the two notch grooves 6, 6 are continuous with each other, and the continuous notch grooves 6, 6 are connected with a length equal to or slightly smaller than the sum of the lengths of the notch grooves 6, 6. A structure for connecting the soundproof panels 2 and 2 by inserting the metal fitting 4 and screwing the connecting metal fitting 4 to the inner walls of the notched grooves 6, 6 facing each other.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is mainly intended to form a soundproof box by connecting a soundproof panel for connecting soundproof panels such as a soundproof panel and a sound absorbing panel that form a wall of the soundproof box, and further, a soundproof panel. The present invention relates to a structure for connecting soundproof panels for connecting to the ceiling and floor of a soundproof box.

[0002]

[Prior art]

 As one of the conventional soundproof panel connection structures, as shown in FIG. 5, the side surfaces of the soundproof panels to be connected are butted against each other, and the upper part and the lower part are connected via L metal fittings and flat metal fittings. There is something to connect. That is, on the upper side of the soundproof panel connecting structure 51, a cutout groove 55 cut out from the side surface side is formed on the upper surface of the connecting portion of the soundproof panel 52, and the L metal fittings 53 are screwed inside the cutout groove 55, respectively. The soundproof panels 52, 52 are connected to each other by tightening the bolts 56 and the nuts 57 between the L fittings 53. Further, on the lower side, the soundproof panels 52, 52 are connected to each other by screwing a flat metal fitting 54 attached to the two soundproof panels 52, 52 so as to straddle them.

The soundproof panel 52 thus connected is connected to the ceiling portion and the floor portion F of the soundproof box as follows. That is, on the ceiling portion side, the soundproof panel 52 is connected to the ceiling portion (not shown) via a connecting metal fitting different from the above. On the floor F side, when connecting the soundproof panels 52, 52, the soundproof panel 52 is connected to the floor F by fixing the flat metal fittings 54 to the base of the floor F with screws at the same time.

[0004]

[Problems to be solved by the device]

 According to this conventional soundproof panel connection structure, it is necessary to accurately align the connection holes of the L fittings, which is very troublesome. In addition, since the soundproof box is usually installed up to the height of the ceiling of the room, there is a very narrow gap between the top surface of the soundproof panel and the ceiling surface of the room, and a narrow cutout groove. Or, bolting must be done with the tool inserted, which is complicated and time-consuming to assemble. Furthermore, since the work is performed near a high ceiling surface, it is necessary to place the work on a stepladder or the like and perform the work from above, which causes a problem that workability is extremely poor.

Further, the connection of the soundproof panel and the ceiling portion requires a connection fitting that is different from the connection fitting used to connect the soundproof panels, which causes a problem that the number of parts of the connection fitting increases. .

The present invention has been made to solve such a problem, and provides a soundproof panel connecting structure capable of reducing the number of connecting parts and performing the connecting work very easily. Is intended.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, the soundproof panel connection structure of the present invention is provided with two soundproof panels, each of which has a cutout groove extending from a side surface at a position facing each other on the front surface or the back surface of the soundproof panel. Make sure that the notches are continuous with each other when the side faces of the two are joined together, and insert a connecting metal fitting within the notches that is equal to or slightly smaller than the sum of the lengths of the notches. However, the soundproof panels are connected to each other by screwing the connecting fittings to the inner walls of the notched grooves which face each other.

In this case, the cutout grooves are respectively provided at the upper end portion and the lower end portion of the two soundproof panels, and the connected soundproof panels can be further screwed to the ceiling part and the floor part through the connecting fittings. preferable.

[0009]

[Action]

 According to this soundproof panel connection structure, two soundproof panels are provided with a notch groove cut out from the side surface on the front surface or the back surface of each soundproof panel, that is, the front surface or the back surface of each soundproof panel, and both side surfaces are joined together. The notches are connected to each other by abutting with each other, and the connecting metal fittings are inserted into the notch grooves, and the connecting metal fittings are screwed to the inner walls of the notch grooves facing each other to be connected. In this case, since the notch groove into which the connecting metal fitting is inserted is opened on the front side or the rear side of the soundproof panel, the screwing work can be performed from the front side or the rear side of the soundproof panel. Also, since the length of the connecting metal fitting to be inserted is equal to or slightly smaller than the sum of the lengths of both cutout grooves, insert the connecting metal fitting into the continuous cutout groove and screw it to the inner wall of both cutout grooves. By doing so, the two soundproof panels are attracted to each other, and as a result, the side walls of both soundproof panels are closely attached without any gap.

According to the soundproof panel connection structure of the second aspect, the notch groove is provided at each of the upper end portion and the lower end portion of the two soundproof panels, and the soundproof panel is connected through the connecting metal fittings. Since the screw is further screwed to the ceiling and floor, it is possible to share the connecting metal fitting that connects the two soundproof panels with each other and the connecting metal fitting that connects the connected soundproof panels to the ceiling and floor. Therefore, the number of parts of the connecting fitting can be reduced.

[0011]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a front view of a soundproof panel connected by a soundproof panel connecting structure according to an embodiment of the present invention. As shown in the figure, the soundproof panel connecting structure 1 of the present embodiment includes a soundproof panel 2 to be connected, a hilt 3 for smoothing the positioning of the soundproof panel 2, and the soundproof panels 2 and 2. It is composed of a joint metal fitting (coupling metal fitting) 4 for connecting the two to each other and connecting them to the ceiling portion C and the floor portion F of the soundproof box.

The soundproof panel 2 is made of a sound absorbing plate material such as plywood or gypsum board, and is formed in a vertically long rectangular shape. In the middle of the soundproof panel 2 in the depth direction, a female tongue 5 extending continuously in the upward and downward directions is formed, and a half of the hilt 3 is inserted therein. The front surface of each soundproof panel 2 (the surface facing the inside of the soundproof box), that is, the upper end portion and the lower end portion of the front surface, has a notch groove 6 that extends at a right angle to a side surface, that is, a connecting surface, and is cut out from the surface. 6 are formed respectively. The cutout groove 6 is cut out from the central portion in the depth direction to the front. When the connecting surfaces of the soundproof panel 2 are butted against each other, the cutout grooves 6, 6 of the two soundproof panels 2, 2 are continuous with each other, thereby forming a connecting groove 7 that is open to the front.

The hiring pad 3 is made of plywood, and is formed in a vertically long plate shape. One half of the hilt 3 is inserted into the female shank 5 of one soundproof panel 2 and the other half is inserted into the female shank 5 of the other soundproof panel 2. The hiring pad 3 has a function of facilitating the positioning of the connection of the soundproof panel 2, and by bypassing the transmission paths of the sound coming in and leaking from the gap between the connecting surfaces, the soundproof panel 2 It has the function of improving the soundproofing performance of the connection structure.

The joint fitting 4 is formed by metal-pressing a metal such as stainless steel, and as shown in FIG. 4, the first mounting piece 8 and the second mounting piece 9 rising from this one end. Is formed into an L-shaped side section, and further includes two third mounting piece portions 10 and 10 by bending both sides of the second mounting piece portion 9 inward (toward the first mounting piece portion 8 side). . Four screw holes 11 are formed in each of the first and second mounting piece portions 8 and 9, and two screw holes 11 are formed in each of the third mounting piece portions 10. There is. The length of the joint fitting 4 is formed to be slightly smaller than the sum of the lengths of the notch grooves 6, 6, that is, the length of the connecting groove 7.

Here, a connection method and a connection procedure of the soundproof panel 2 will be described with reference to FIGS. 1, 2 and 3. Here, a case will be described in which one soundproof panel 2 to be connected is already fixed and the other soundproof panel 2 is connected to the fixed soundproof panel 2.

First, each half of the joint fitting 4 is screwed into the cutout grooves 6 in the upper and lower ends of the one soundproof panel 2 fixed on the base 12 of the floor F. In this case, on the upper end side, the first mounting piece portion 8 of the joint fitting 4 is brought into contact with the lower surface of the ceiling portion C, and the second mounting piece portion 9 is brought into contact with the rear surface of the notch groove 6, 3 With the mounting pieces 10 and 10 facing the inner wall sides of the cutout groove 6 facing each other, a screw 13 is passed through one of the screw holes 11 on one side of the soundproof panel 2 of each mounting piece to join the joint fittings. Screw half of 4 to one soundproof panel 2. On the other hand, similarly on the lower end side, the first mounting piece portion 8 of the joint metal fitting 4 is brought into contact with the upper surface of the base 12, and the second mounting piece portion 9 is brought into contact with the rear surface of the notch groove 6, 3 With the mounting pieces 10 1, 10 facing the inner wall side of the cutout groove 6, the half of the joint fitting 4 is screwed to one of the soundproof panels 2. Next, one half of the hilt 3 is inserted into the female tongue 5 of the soundproof panel 2, and then the other soundproof panel 2 is placed on the base 12. Then, by pressing the other soundproof panel 2 to the one soundproof panel 2 to some extent so that the female shank 5 of the other soundproof panel 2 holds the other half of the hire 3, the soundproof panel 2 of both sides is pressed to some extent. Butt the two connecting surfaces. At this time, a gap remains between the connecting surfaces of the soundproof panels 2 and 2.

Next, in this state, the other half of the joint fitting 4 is screwed into the cutout groove 6 of the other soundproof panel 2 according to the following procedure. That is, the screw 13 is passed through the screw hole 11 of the upper and lower third mounting piece portion 10, and the upper third mounting piece portion 10 and the lower third mounting piece portion 10 are alternately tightened via the screw 13. As a result, the other soundproof panel 2 is attracted to the one soundproof panel 2. As a result, there is almost no gap between the soundproof panels 2 and 2. Next, the upper and lower first and second mounting piece portions 8 and 9 are screwed to the ceiling portion C and the other soundproof panel 2 on the upper end side, and to the floor portion F and the other soundproof panel 2 on the lower end side, respectively. As a result, the other half of the joint fitting 4 is screwed into the cutout groove 6 of the other soundproof panel 2. As a result, the work of connecting the soundproof panels 2 and 2 to be connected and the work of connecting these to the ceiling portion C and the floor portion F are completed. Hereinafter, in the same manner, the soundproof boxes are formed by connecting the plurality of soundproof panels 2 to each other and further connecting them to the ceiling portion C and the floor portion F. Since the joint fitting 4 is completely buried in the connecting groove 7 and the connecting groove 7 can be easily hidden by the skirting board and the rim (not shown), the connecting portion cannot be seen from the outside. In addition, the connected state of the soundproof panel 2 becomes neat.

As described above, in the soundproof panel connecting structure of the present embodiment, first, since the connecting groove 7 is formed on the front side of the soundproof panel 2, that is, the front side, the connecting work can be easily performed. . Moreover, by screwing the joint fitting 4 to the inner walls of the notched grooves 6, 6 that face each other, the other soundproof panel 2 is drawn to the one soundproof panel 2, and the side surfaces of the soundproof panels 2 and 2 are separated from each other. It is adhered without any. Also, this connection is made by simple screwing. Furthermore, there is an advantage that the soundproof panel 2 can be connected to the ceiling part C and the floor part F by connecting the soundproof panel 2 with the one fitting 4 alone.

In the embodiment, the number of screw holes formed in each mounting piece of the joint fitting is four or two, but the number of screw holes may be changed. When the number is increased, the soundproof panel is more firmly connected. Further, an elastic body such as a rubber packing may be provided on the coupling surface of the soundproof panel instead of or in addition to the hilt. In addition, the detailed configuration can be appropriately changed without departing from the spirit of the present invention.

[0021]

[Effect of device]

 As described above in detail, the soundproof panel connecting structure of the present invention has an effect that the number of connecting parts can be reduced and the connecting work can be performed easily.

[Brief description of drawings]

FIG. 1 is a front view of a soundproof panel connected by a soundproof panel connecting structure of the present invention.

FIG. 2 is a side sectional view of a soundproof panel connected by the soundproof panel connection structure of the present invention.

FIG. 3 is a plan view of the soundproof panels connected by the soundproof panel connection structure of the present invention.

FIG. 4 is an overall perspective view of a joint fitting according to the present embodiment.

FIG. 5 is a perspective view showing a conventional soundproof panel connection structure.

[Explanation of symbols]

 1 Soundproof panel connection structure 2 Soundproof panel 4 Joint fitting 6 Notch groove

Claims (2)

[Scope of utility model registration request] 1. A notch groove that is cut out from a side surface side is provided at a position facing each other on a front surface or a back surface of each of the two soundproof panels, and when the side surfaces of the two soundproof panels are butted to each other, Both cutout grooves are continuous with each other, and in the continuous cutout groove, a connecting metal fitting having a length equal to or slightly smaller than the sum of the lengths of the both cutout grooves is inserted, and the connecting metal fitting is The soundproof panel connecting structure is characterized in that the soundproof panels are connected to each other by screwing the inner walls of the notched grooves facing each other. 2. The cutout grooves are respectively provided at upper end portions and lower end portions of the two soundproof panels, and the connected soundproof panels are further fixed to a ceiling portion and a floor portion via the connecting metal fittings. The soundproof panel connection structure according to claim 1.