CN210850652U

CN210850652U - Composite multilayer board

Info

Publication number: CN210850652U
Application number: CN201921188994.9U
Authority: CN
Inventors: 徐文学
Original assignee: Yingkesong Nanjing Decoration Materials Co ltd
Current assignee: Yingkesong Nanjing Decoration Materials Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-26
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a composite multilayer board, which relates to a multilayer board and aims at solving the technical problem of poor sound insulation effect of the multilayer board in the prior art, the key points of the technical scheme comprise an inner multilayer board layer, a sound absorption board layer, a sound insulation board layer and an outer multilayer board layer, a connecting frame is arranged between the sound absorption board layer and the sound insulation board layer, cavities are arranged between the connecting frame, the sound absorption board layer and the sound insulation board layer, the connecting frame is connected with the sound absorption board layer and the inner multilayer board layer through a connecting frame, and the connecting frame is connected with the sound insulation board layer and the outer multilayer board layer through; in using multiply wood in-process, after outdoor production noise, noise transmission to syllable-dividing sheet layer department utilizes syllable-dividing sheet layer to completely cut off the noise, because the speed of air transfer noise is slower than the speed of solid transfer noise, the cavity delays the noise transfer, recycles the sound absorbing layer and adsorbs the noise to this can reduce the noise and transmit to indoor, improves the syllable-dividing effect of multiply wood.

Description

Composite multilayer board

Technical Field

The utility model relates to a multiply wood, more specifically say, it relates to a compound multiply wood.

Background

Multilayer boards, also called plywood, are three-layer or multilayer boards made by rotary cutting log sections or slicing thin veneers from a flitch plane, and pressing and gluing the veneers with an adhesive at a high temperature. The fiber directions of the single plates of the adjacent layers are mutually vertical, and the surface plate and the inner plate are symmetrically arranged on the assembly structure at the two sides of the central layer, so that the composite material has the advantages of small physical and mechanical property difference in the longitudinal and transverse directions, high strength and the like. The multi-layer board is one of common furniture materials, is one of three large boards of an artificial board, and can also be used as a material for airplanes, ships, trains, automobiles, buildings, packing boxes and the like.

Chinese patent No. CN205364669U discloses a multi-layer board, which comprises an upper panel, a lower panel and a sandwich board located between the upper panel and the lower panel, wherein at least one thickness adjusting plate is provided in the sandwich board, so that the thickness of the multi-layer board gradually changes from thin to thick on the longitudinal section. The utility model discloses the technique has realized the thickness gradual change of multiply wood to the aesthetic feeling and the intensity of this multiply wood have been guaranteed, thereby open extensive space for the new application of multiply wood.

When the multi-layer board in the prior art is used, since sound is transmitted by vibration in the form of waves, and glass is solid, which is a medium for transmitting sound, the sound insulation effect is poor when the multi-layer board is used, and improvement is desired.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a compound multiply wood.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a composite multilayer board, includes interior multilayer board layer, inhales the sound sheet layer, gives sound insulation sheet layer and outer multilayer board layer, it is equipped with the carriage to inhale between sound sheet layer and the sound insulation sheet layer, the carriage, inhale and be equipped with the cavity between sound sheet layer and the sound insulation sheet layer, the carriage pass through the link with inhale sound sheet layer, interior multilayer board layer and connect, the carriage pass through the connecting piece with sound insulation sheet layer, outer multilayer board layer are connected.

By adopting the technical scheme, the connecting frame, the sound-absorbing plate layer and the inner multi-layer plate layer are connected by the connecting frame, and the connecting piece is connected with the connecting frame, the sound-insulating plate layer and the outer multi-layer plate layer, so that the connection stability among the plate layers can be improved; in using multiply wood in-process, after outdoor production noise, noise transmission to syllable-dividing sheet layer department utilizes syllable-dividing sheet layer to completely cut off the noise, because the speed of air transfer noise is slower than the speed of solid transfer noise, the cavity delays the noise transfer, recycles the sound absorbing layer and adsorbs the noise to this can reduce the noise and transmit to indoor, improves the syllable-dividing effect of multiply wood.

Further, the link includes the fixed cover of a plurality of and a plurality of fixing bolt, fixed cover sets up on the lateral wall of linking frame, fixed cover passes in proper order inhale sound sheet layer and interior multilayer sheet layer, fixed cover passes the one end of interior multilayer sheet layer with fixed cover threaded connection, fixing bolt's spiral shell head supports tightly on the lateral wall of interior multilayer sheet layer.

Through adopting above-mentioned technical scheme, utilize fixed cover to pass interior multilayer sheet layer and inhale the sound sheet layer, again with fixing bolt and fixed cover threaded connection, support tightly including on the lateral wall of multilayer sheet layer with fixing bolt's spiral shell head to this can increase connection stability between link, interior multilayer sheet layer and the sound sheet layer.

Further, the connecting piece includes a plurality of stop collar and a plurality of spacing bolt, the stop collar passes in proper order sound insulation sheet layer and outer multiple sheet layer, the stop collar pass outer multiple sheet layer one end with stop collar threaded connection, the spiral shell head of spacing bolt supports tightly on the lateral wall of outer multiple sheet layer.

Through adopting above-mentioned technical scheme, utilize the stop collar to pass syllable-dividing sheet layer and outer multilayer sheet layer in proper order, with spacing bolt and stop collar threaded connection, support the spiral shell head of spacing bolt tightly on the lateral wall of outer multilayer sheet layer again to this can increase the connection stability between link, syllable-dividing sheet layer and the outer multilayer sheet layer.

Further, interior multilayer sheet layer is kept away from inhale one side of sound sheet layer, outer multilayer sheet layer is kept away from one side of syllable-dividing sheet layer all is equipped with the decoration sheet layer.

Through adopting above-mentioned technical scheme, install two decoration plate layers respectively including on the lateral wall of multilayer plate layer and outer multilayer plate layer, be favorable to reducing during spacing bolt and fixing bolt expose the air to arouse the possibility that spacing bolt and fixing bolt drop.

Furthermore, the side wall of the decorative plate layer is provided with a fixing groove for mounting a screw head of a fixing bolt and a screw head of a limiting bolt.

Through adopting above-mentioned technical scheme, install the spiral shell head of spacing bolt and fixing bolt's spiral shell head in the fixed slot, increase fixing bolt and spacing bolt installation stability.

Further, one side, far away from the cavity, of the decorative plate layer is coated with a fireproof paint layer.

By adopting the technical scheme, the fireproof coating layer is utilized, the fireproof capacity of the multilayer board is favorably improved, and the flame spreading and propagation speed is slowed down.

Furthermore, the inner side wall of the connecting frame is provided with mutually crossed reinforcing rods.

Through adopting above-mentioned technical scheme, utilize intercrossing's stiffener to can strengthen the intensity of multiply wood, reduce the possibility that the multiply wood takes place the rupture.

Further, all be equipped with the inner spring on the both sides wall that the stiffener deviates from mutually, the inner spring is kept away from the one end of stiffener is equipped with the snubber block, the snubber block is kept away from one side of inner spring is equipped with the outer spring, two the outer spring is kept away from the one end of snubber block respectively with the sound insulation board layer the abatvoix layer is connected.

Through adopting above-mentioned technical scheme, when sound spread to the cavity in, utilize inner spring and outer spring to carry out the slow vibration to the noise, recycle the snubber block and absorb the noise to this can reduce the noise to indoor propagation, is favorable to improving the syllable-dividing effect of multiply wood.

To sum up, the utility model discloses following beneficial effect has:

1. the inner multilayer plate layer, the sound-absorbing plate layer, the connecting frame, the sound-insulating plate layer and the outer multilayer plate layer are connected by the connecting frame and the connecting piece, so that the connection stability among the plate layers of the multilayer plate can be enhanced, the sound-insulating layer is used for isolating noise, the gas in the cavity delays the transmission of the noise, and the sound-absorbing layer adsorbs the noise, so that the transmission of the noise to the indoor space can be reduced, and the sound-insulating effect of the multilayer plate is improved;

2. the use of an internal spring; the outer spring and the damping block are used for damping noise, so that the possibility of transmitting the noise to the indoor space can be further reduced, and the sound insulation effect of the multilayer board is improved;

3. and the strength of the multilayer board is improved by using the reinforcing rods.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment.

FIG. 2 is a cross-sectional view of a cavity embodying an embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. an inner multi-ply layer; 2. a sound absorbing sheet layer; 3. a sound insulation board layer; 4. an outer plurality of ply layers; 5. a connecting frame; 50. a reinforcing bar; 51. an inner spring; 52. a damper block; 53. an outer spring; 6. a cavity; 7. a connecting frame; 70. fixing a sleeve; 71. fixing the bolt; 72. fixing a gasket; 8. a connecting member; 80. a limiting sleeve; 81. a limit bolt; 82. a limiting gasket; 9. decorating the plate layer; 90. fixing grooves; 91. and (3) a fireproof coating layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, the composite multilayer board comprises an inner multilayer board layer 1, a sound-absorbing board layer 2, a sound-insulating board layer 3 and an outer multilayer board layer 4, wherein the sound-insulating board layer 3 is a sound-insulating felt layer, and the sound-absorbing board layer 2 is a sound-absorbing cotton layer; the side, far away from the sound-absorbing plate layer 2, of the inner multilayer plate layer 1 and the side, far away from the sound-insulating plate layer 3, of the outer multilayer plate layer 4 are both provided with decorative plate layers 9, and the side, far away from the cavity 6, of each decorative plate layer 9 is coated with a fireproof coating layer 91; since the fireproof coating layer 91 has flame retardancy or incombustibility, it is advantageous to improve the fire resistance of the multilayer board, thereby being capable of slowing down the propagation speed of flame spread.

Referring to fig. 2, a connecting frame 5 is arranged between a sound-absorbing slab layer 2 and a sound-insulating slab layer 3, the connecting frame 5 is made of aluminum, a cavity 6 is arranged between the connecting frame 5, the sound-absorbing slab layer 2 and the sound-insulating slab layer 3, the connecting frame 5 is connected with the sound-absorbing slab layer 2 and an inner multi-layer slab layer 1 through a connecting frame 7, and the connecting frame 5 is connected with the sound-insulating slab layer 3 and an outer multi-layer slab layer 4 through a connecting piece 8; the connecting frame 7 and the connecting piece 8 are used for connecting the inner multilayer plate layer 1, the sound-absorbing plate layer 2, the connecting frame 5, the sound-insulating plate layer 3 and the outer multilayer plate layer 4, so that the connection stability among the plate layers of the multilayer plate is improved; when the noise transmits to indoor, at first utilize the syllable-dividing sheet layer 3 to block the noise, utilize the gaseous propagation that slows down the noise in the cavity 6, inhale sound sheet layer 2 and absorb sound again to this speed that can reduce the noise and propagate to indoor improves the syllable-dividing effect of multiply wood.

Referring to fig. 3, the connecting frame 7 includes a plurality of fixing sleeves 70, the fixing sleeves 70 are disposed on the side walls of the connecting frame 5, the fixing sleeves 70 sequentially pass through the sound-absorbing plate layer 2 and the inner multi-layer plate layer 1, one end of the fixing sleeve 70, which passes through the inner multi-layer plate layer 1, is connected with a fixing bolt 71 through a thread, the head of the fixing bolt 71 abuts against the side wall of the inner multi-layer plate layer 1, and a fixing gasket 72 is disposed between the head of the fixing bolt 71 and the side wall of the inner multi-layer plate layer.

Referring to fig. 3, the connecting member 8 includes a plurality of stop collar 80, and stop collar 80 passes syllable-dividing sheet layer 3 and outer multiple sheet layer 4 in proper order, and the one end threaded connection that stop collar 80 passed outer multiple sheet layer 4 has a stop bolt 81, and the spiral shell head of stop bolt 81 supports tightly on the lateral wall of outer multiple sheet layer 4, is equipped with spacing gasket 82 between the spiral shell head of stop bolt 81 and the lateral wall of outer multiple sheet layer 4.

Referring to fig. 3, a fixing groove 90 for installing the screw head of the fixing bolt 71 and the screw head of the limiting bolt 81 is formed on the side wall of the decorative sheet layer 9; when the fixing sleeve 70 is installed, the fixing sleeve 70 sequentially penetrates through the sound-absorbing plate layer 2 and the inner multi-layer plate layer 1, the fixing bolt 71 is screwed into the fixing sleeve 70, and the fixing gasket 72 is tightly pressed on the side wall of the inner multi-layer plate layer 1; the limiting sleeve 8 is sequentially inserted into the sound insulation plate layer 3 and the outer multilayer plate layer 4 by 0, the limiting bolt 81 is screwed into the limiting sleeve 80, the limiting gasket 82 is abutted against the side wall of the outer multilayer plate layer 4, the two decorative plate layers 9 are respectively adhered to the side walls of the outer multilayer plate layer 4 and the inner multilayer plate layer 1, and the screw head of the fixing bolt 71 and the screw head of the limiting bolt 81 are fixed in the fixing groove 90, so that the connection stability between the connecting frame 5 and the inner multilayer plate layer 1, between the sound absorption plate layer 2, between the sound insulation plate layer 3 and between the outer multilayer plate layer 4 can be improved; the possibility that the stopper bolt 81 and the fixing bolt 71 are exposed to the air and the stopper bolt 81 and the fixing bolt 71 fall off can be reduced.

Referring to fig. 2, the inner side wall of the connection frame 5 is provided with mutually crossed reinforcing rods 50, the two reinforcing rods 50 are crossed, and the reinforcing rods 50 are square tubes.

Referring to fig. 2, two side walls of the reinforcing rods 50 which are opposite to each other are provided with inner springs 51, the inner springs 51 are installed at the cross-shaped intersection of the two reinforcing rods 50, one ends of the inner springs 51, which are far away from the reinforcing rods 50, are provided with shock absorption blocks 52, the shock absorption blocks 52 are shock absorption cotton blocks, one sides of the shock absorption blocks 52, which are far away from the inner springs 51, are provided with outer springs 53, and one ends of the two outer springs 53, which are far away from the shock absorption blocks 52, are respectively connected with the sound insulation; when the noise is transmitted into the cavity 6, the inner spring 51 and the outer spring 53 are utilized to damp the noise, the shock absorption block 52 is utilized to vibrate along with the noise, the mechanical energy of the vibration is converted into heat to be released in the air, the possibility of transmitting the noise to the indoor is reduced, and the sound insulation effect of the multilayer board is effectively improved.

The implementation principle of the above embodiment is as follows: the connecting frame 5, the sound-absorbing plate layer 2 and the inner multi-layer plate layer 1 are connected by the connecting frame 7, and the connecting frame 5, the sound-insulating plate layer 3 and the outer multi-layer plate layer 4 are connected by the connecting piece 8, so that the connection stability among the plate layers of the multi-layer plate can be improved; when the noise was to indoor transmission, the sheet layer that gives sound insulation 3 stopped the noise, and the propagation of noise is slowed down to the gas in the cavity 6, inhales the sheet layer 2 again and absorbs sound to this speed that can reduce the noise and propagate to indoor improves the syllable-dividing effect of multiply wood.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A composite multi-layer board characterized in that: including interior multilayer sheet layer (1), inhale sound sheet layer (2), give sound insulation sheet layer (3) and outer multilayer sheet layer (4), it is equipped with carriage (5) to inhale between sound sheet layer (2) and the sound insulation sheet layer (3), carriage (5), inhale and be equipped with cavity (6) between sound sheet layer (2) and the sound insulation sheet layer (3), carriage (5) through link (7) with inhale sound sheet layer (2), interior multilayer sheet layer (1) and connect, carriage (5) through connecting piece (8) with sound insulation sheet layer (3), outer multilayer sheet layer (4) are connected.

2. The composite multilayer plate according to claim 1, characterized in that: link (7) include the fixed cover of a plurality of (70) and a plurality of fixing bolt (71), fixed cover (70) set up on the lateral wall of linking frame (5), fixed cover (70) pass in proper order inhale sound sheet layer (2) and interior multilayer sheet layer (1), fixed cover (70) pass the one end of interior multilayer sheet layer (1) with fixing bolt (71) threaded connection, the spiral shell head of fixing bolt (71) supports tightly on the lateral wall of interior multilayer sheet layer (1).

3. The composite multilayer plate according to claim 2, characterized in that: connecting piece (8) include a plurality of stop collar (80) and a plurality of stop bolt (81), stop collar (80) pass in proper order syllable-dividing sheet layer (3) and outer multilayer sheet layer (4), stop collar (80) pass the one end of outer multilayer sheet layer (4) with stop collar (80) threaded connection, the spiral shell head of stop bolt (81) supports tightly on the lateral wall of outer multilayer sheet layer (4).

4. The composite multilayer plate according to claim 3, characterized in that: interior multilayer sheet layer (1) keep away from inhale one side of sound sheet layer (2) outer multilayer sheet layer (4) keep away from one side of sound insulation sheet layer (3) all is equipped with decorates sheet layer (9).

5. The composite multilayer plate according to claim 4, characterized in that: and a fixing groove (90) for mounting a screw head of the fixing bolt (71) and a screw head of the limiting bolt (81) is arranged on the side wall of the decorative plate layer (9).

6. The composite multilayer plate according to claim 4, characterized in that: one side, far away from the cavity (6), of the decorative plate layer (9) is coated with a fireproof paint layer (91).

7. The composite multilayer plate according to claim 1, characterized in that: and reinforcing rods (50) which are mutually crossed are arranged on the inner side wall of the connecting frame (5).

8. The composite multilayer plate according to claim 7, characterized in that: all be equipped with innerspring (51) on the both sides wall that stiffener (50) deviate from mutually, innerspring (51) are kept away from the one end of stiffener (50) is equipped with snubber block (52), snubber block (52) are kept away from one side of innerspring (51) is equipped with outer spring (53), two outer spring (53) are kept away from the one end of snubber block (52) respectively with sound insulation sheet layer (3) sound absorption sheet layer (2) are connected.