CN2515236Y

CN2515236Y - Sound-proof board

Info

Publication number: CN2515236Y
Application number: CN 01275522
Authority: CN
Inventors: 王再发
Original assignee: Tianjin Zaifa Noise Insulation Wall Co ltd
Current assignee: Zaifa Sound-Proof Wall Co., Ltd., Tianjin
Priority date: 2001-11-30
Filing date: 2001-11-30
Publication date: 2002-10-09
Anticipated expiration: 2011-11-30

Abstract

The utility model discloses a celotex board, and is designed for solving the problem of large noise caused on the highway and the railway lines. The celotex board comprises a front panel, a back panel, a lateral plate, and sound-absorbing dielectrics. The front panel, the back panel and the lateral plate are made of metal plates, the front panel and the back panel are taken in rectangular types, and though-holes are arranged on the front panel. Edge folds are manufactured on the long side of the front panel or the back panel, and edge fold positions between the front panel and the back panel are riveted together by rivets to form a rectangular hollow shell body with a rectangular cross-section. The sound-absorbing dielectrics are arranged in the rectangular hollow shell body, and the shape of the lateral plate is similar to that of the cross-section of the rectangular hollow shell body. The edge folds which are manufactured on the edge of the lateral plate are directed to the end of the hollow shell body, and the lateral plate is sunk into rectangular cavities which are arranged on two ends of the rectangular hollow shell body, and the edge folds of the lateral plate are riveted together with the inner walls of the front panel and the back panel. The celotex board is provided with the advantages of good sound-proof effect, and convenient manufacture and installation.

Description

Sound insulating panel

Technical field:

The utility model relates to a kind of sound arrester, particularly a kind of sound insulating panel.

Background technology:

The noise that the urban light rail traffic is along the line, railway enters that the city is along the line, speedway, viaduct, highway are along the line etc. locates is bigger, is in the bigger environment of noise sound, makes the people easily produce the tired mood of making an uproar, and influences people's physical and mental health; But also do not have now a kind of soundproof effect better, making, sound insulating panel easy for installation.

Summary of the invention:

The purpose of this utility model is to overcome above-mentioned defective, provide a kind of soundproof effect better, making, sound insulating panel easy for installation.

For achieving the above object, the utility model adopts following technical scheme: this sound insulating panel comprises front panel, backplate, side plate and the sound-absorbing medium that metal sheet is made; Front panel and rear board are rectangular, and are shaped on through hole on the plate in front, are shaped on flanging on the long limit of plate or rear board in front, and front panel and rear board form a rectangle hollow housing that cross section is rectangular substantially at the flanging place with rivet together; In this rectangle hollow housing, be provided with the sound-absorbing medium; The shape of described side plate is identical with the shape of rectangle hollow housing cross section, on the edge of side plate, be shaped on flanging, termination and side plate that the flanging of described side plate points to hollow shell sink in the rectangular enclosure at rectangle hollow housing two ends, the flanging of side plate and hollow shell end part aligning, and the inside wall of the flanging of side plate and front panel, backplate is riveted together.

The sound insulating panel of said structure in use, the front panel of sound insulating panel is over against noise source, the through hole of noise on front panel enters the sound-absorbing medium, noise is reduced in the sound-absorbing medium, and the front panel of sound insulating panel, backplate all play the effect that reduces flat, make the sound insulating panel of this structure that soundproof effect preferably be arranged; And the front panel of the sound insulating panel of this structure, backplate, side panel are all folded by metal sheet and form, and be whole very convenient every sheet making; Several sound insulating panels when mounted, and are together opposed up and down, and it is also very convenient to interfix with modes such as bolts.

Description of drawings:

Fig. 1 is the front view of a kind of embodiment of the utility model sound insulating panel

Fig. 2 is the left view (partial sectional view) of sound insulating panel shown in Figure 1

Fig. 3 is the front view of second kind of embodiment of the utility model sound insulating panel

Fig. 4 is the left view (partial sectional view) of sound insulating panel shown in Figure 3

Fig. 5 is the front view of the third embodiment of the utility model sound insulating panel

Fig. 6 is the left view (partial sectional view) of sound insulating panel shown in Figure 5

The specific embodiment:

As shown in the figure, the utility model sound insulating panel comprises the front panel 1 that metal sheet is made, backplate 2, side plate 3 and sound-absorbing medium 4; Front panel 1 and rear board 2 are rectangular, and are shaped on through hole on the plate 1 in front, make flanging on the long limit of plate 1 or rear board 2 in front, and front panel 1 and rear board 2 form a rectangle hollow housing that cross section is rectangular substantially at the flanging place with rivet together; In this rectangle hollow housing, be provided with sound-absorbing medium 4, sound-absorbing medium 4 with block of glass wool for well, be covered with plastic sheeting outside block of glass wool, the characteristic plastic sheeting that plastic sheeting is produced with du pont company is for well, and this plastic sheeting can absorb sound, waterproof, anti-aging; The shape of described side plate 3 is identical with the shape of rectangle hollow housing cross section, on the periphery of side plate 3, be shaped on flanging, the flanging of described side plate 3 points to the termination of hollow shell, and side plate 3 sinks in the rectangular enclosure at rectangle hollow housing two ends, the flanging of side plate 3 and the end part aligning of hollow shell, and the inside wall of the flanging of side plate 3 and front panel 1, backplate 2 is riveted together.

As shown in Figure 1 and Figure 2, be shaped on strip groove equidirectional with backplate 2 length, that be converted into by backplate 2 on the backplate 2 of first kind of embodiment of the present utility model, the shutter shape hole that the through hole on the front panel 1 is arranged for row's shape.

As shown in Figure 3, Figure 4, be shaped on respectively and front panel 1 on the front panel 1 of second kind of embodiment of the present utility model, the backplate 2, the long strip raised line equidirectional, that be converted into by front panel 1 or backplate 2 of backplate 2, the equally distributed circular hole of the through hole on the front panel 1.

As Fig. 5, shown in Figure 6, be shaped on respectively and front panel 1 on the front panel 1 of the third embodiment of the present utility model, the backplate 2, backplate 2 long equidirectional, by the strip raised line that front panel 1 or backplate 2 are converted into, the through hole on the front panel 1 comprises elliptical aperture and shutter shape hole.

The sound insulating panel of said structure when mounted, the rectangle hollow housing of each sound insulating panel is upper and lower stacked at width, for ease of fixing, is provided with docking facilities; A kind of docking facilities such as Fig. 1, Fig. 2, Fig. 5, shown in Figure 6, be shaped on the upper side wall of rectangle hollow housing and the equidirectional groove of its length direction, be shaped on the lower wall and the equidirectional strip projected parts of its length direction, described strip groove and projection are folded by the flanging on front panel or the backplate and form.Another kind of docking facilities forms the obtuse angle between the upper side wall of rectangle hollow housing and the backplate as shown in Figure 3, Figure 4, and hollow shell upper side wall and front panel 1 mutually near-end system along the strip unfilled corner of its length direction; Form the acute angle with the complementation of above-mentioned obtuse angle between the lower wall of rectangle hollow housing and the backplate, and hollow shell lower wall and front panel mutually near-end be shaped on the strip projected parts that adapts with above-mentioned unfilled corner along its length direction; Institute's art unfilled corner or projection are folded by the flanging on front panel 1 or the backplate 2 and form.

The utility model sound insulating panel can also be applied to places such as school, hospital, office.

Claims

1, a kind of sound insulating panel is characterized in that: comprise front panel, backplate, side plate and sound-absorbing medium that metal sheet is made; Front panel and rear board are rectangular, and are shaped on through hole on the plate in front, are shaped on flanging on the long limit of plate or rear board in front, and front panel and rear board form a rectangle hollow housing that cross section is rectangular substantially at the flanging place with rivet together; In this rectangle hollow housing, be provided with the sound-absorbing medium; The shape of described side plate is identical with the shape of rectangle hollow housing cross section, on the edge of side plate, be shaped on flanging, termination and side plate that the flanging of described side plate points to hollow shell sink in the rectangular enclosure at rectangle hollow housing two ends, the flanging of side plate and the end part aligning of hollow shell, and the inside wall of the flanging of side plate and front panel, backplate is riveted together.

2, sound insulating panel according to claim 1 is characterized in that: be shaped on strip groove equidirectional with the length of backplate, that be converted into by backplate on the described backplate, the shutter shape hole that the through hole on the front panel is arranged for row's shape.

3, sound insulating panel according to claim 1, it is characterized in that: be shaped on respectively on described front panel, the backplate equidirectional with the length of front panel, backplate, by the strip raised line that front panel or backplate are converted into, the through hole on the front panel is equally distributed circular hole.

4, dividing plate according to claim 1, it is characterized in that: be shaped on respectively on described front panel, the backplate equidirectional with the length of front panel, backplate, by the strip raised line that front panel or backplate are converted into, the through hole on the front panel comprises elliptical aperture and shutter shape hole.

5, sound insulating panel according to claim 1 is characterized in that: described sound-absorbing medium is a block of glass wool, is covered with plastic sheeting outside block of glass wool.

6, according to claim 1,2,3,4,5 described sound insulating panels, it is characterized in that: be shaped on the upper side wall of described rectangle hollow housing and the equidirectional strip groove of its length direction, be shaped on the lower wall and the equidirectional strip projected parts of its length direction; Described strip groove and projection are folded by the flanging on front panel or the backplate and form.

7, according to claim 1,2,3,4,5 described sound insulating panels, it is characterized in that: form the obtuse angle between the upper side wall of described rectangle hollow housing and the backplate, and hollow shell upper side wall and front panel mutually near-end be shaped on strip unfilled corner along its length direction; Form the acute angle with the complementation of above-mentioned obtuse angle between the lower wall of rectangle hollow housing and the backplate, and hollow shell lower wall and front panel mutually near-end be shaped on the strip projected parts that adapts with above-mentioned unfilled corner along its length direction; Described unfilled corner or projection are folded by the flanging on front panel or the backplate and form.