CN217556742U

CN217556742U - Sound insulation board for shielding vibration sound of rigid member

Info

Publication number: CN217556742U
Application number: CN202221527441.3U
Authority: CN
Inventors: 郭勋
Original assignee: Wuxi Zhongxu Environmental Protection Equipment Co ltd
Current assignee: Wuxi Zhongxu Environmental Protection Equipment Co ltd
Priority date: 2022-06-18
Filing date: 2022-06-18
Publication date: 2022-10-11
Anticipated expiration: 2032-06-18

Abstract

The utility model discloses a acoustic celotex board for shielding rigid member vibration sound, including outer acoustic celotex board, one side of outer acoustic celotex board is equipped with heavy groove, and be equipped with multiunit reflector tube in the heavy groove, multiunit reflector tube can be dismantled with heavy inslot bottom surface and be connected, be equipped with the multiunit through-hole on the outer acoustic celotex board that corresponds with reflector tube position, the inside cavity of reflector tube, and the inside multiunit reflecting plate that is equipped with of reflector tube, the multiunit reflecting plate is polygonized structure, and the corner and the interior wall connection of reflector tube of reflecting plate, the multiunit reflecting plate is at the inside equidistant staggered distribution of reflector tube, the space department that is located heavy groove and reflector tube is filled has the sound of inhaling cotton, and keep away from and be equipped with interior acoustic celotex board on the sound of inhaling cotton side of heavy inslot bottom surface one side, interior acoustic celotex board and outer acoustic celotex board joint. The utility model discloses thereby the acoustic celotex board makes the sound wave constantly reflect and consume the acoustic energy through setting up detachable reflection section of thick bamboo, has strengthened the syllable-dividing effect of acoustic celotex board.

Description

Sound insulation board for shielding vibration sound of rigid member

Technical Field

The utility model relates to a tool technical field gives sound insulation, specifically is a sound-proof board for shielding rigid member vibration sound.

Background

Noise has become one of the main environmental pollution sources, and the sound insulation treatment is effectively carried out by selecting high-quality materials, so that the method is the most effective solution for controlling noise. A commonly used sound insulating structure is a sound insulating panel, which is a sheet material having an average sound insulating amount exceeding 30 db. The acoustic celotex board utilizes noise barrier assembly to stop sound, weakens the transmission of noise, and the higher the density of acoustic celotex board sound more difficult penetration, and the acoustic energy that the acoustic celotex board saw through is less, and soundproof effect is also better. The acoustic barriers distinguish between airborne sound and vibro-acoustic sound, and the vibro-acoustic barriers are panels that transmit sound within rigid structures.

The soundproof panel does not block sound of all frequencies, and an object has a natural resonance frequency, and sound close to the resonance frequency of the object has a remarkably lowered soundproof effect, and the material of the soundproof panel may be deformed under long-term vibration. Common sound insulation boards are boards spliced by sound insulation materials, but the splicing materials are high in cost.

Therefore, there is a need for a baffle for shielding the vibration sound of a rigid member to solve the above-mentioned problems and effectively block the propagation of the vibration sound of the rigid member.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sound-proof board for shielding rigid member vibration sound.

The technical scheme of the utility model is that: a sound insulation board for shielding the vibration sound of a rigid member comprises an outer sound insulation board, a sinking groove is arranged on one side surface of the outer sound insulation board, a plurality of groups of reflecting cylinders are arranged in the sinking groove, the reflecting cylinders are detachably connected with the inner bottom surface of the sinking groove,

a plurality of groups of through holes are arranged on the outer sound insulation board corresponding to the position of the reflecting cylinder,

the interior of the reflecting cylinder is hollow, a plurality of groups of reflecting plates are arranged in the reflecting cylinder, the plurality of groups of reflecting plates are all in a polygonal structure, the corners of the reflecting plates are connected with the reflecting cylinder, the plurality of groups of reflecting plates are distributed in the reflecting cylinder in an equidistant and staggered manner,

the gap that is located heavy groove and reflection section of thick bamboo is located to fill has and inhales the sound cotton, and keeps away from heavy inslot bottom one side inhale and be equipped with interior acoustic celotex board on the cotton side of sound, interior acoustic celotex board and outer acoustic celotex board joint.

Furthermore, the reflecting cylinder and the reflecting plate are both made of sound insulation materials, the sound insulation materials are sound insulation felt boards, and the sound absorption cotton is glass fiber cotton or polyester fiber cotton. The sound-proof materials are selected for the reflecting cylinder and the reflecting plate, so that sound waves can be effectively reflected and further weakened, and the cost can be saved and the fireproof and waterproof effects can be achieved by selecting glass fiber cotton or polyester fiber cotton for the sound-absorbing cotton.

Furthermore, an adhesive tape is arranged on the inner side surface of the sinking groove. The adhesive tape can increase and inhale the friction between sound cotton and the heavy groove medial surface to prevent to inhale the sound cotton and produce when the sound wave strikes and slide, make and inhale the difficult aversion of sound cotton.

Furthermore, the outer sound insulation board is made of shockproof sound insulation materials, the shockproof sound insulation materials are made of manganese-copper damping alloy, the inner sound insulation board is made of fireproof sound insulation materials, and the fireproof sound insulation materials are glass magnesium boards. The shockproof and fireproof sound insulation material is selected, so that vibration caused by sound waves can be slowed down, transmission of the sound waves is effectively blocked, and a fireproof function can be achieved.

Furthermore, the reflecting plate is in a polygonal structure of any one of a triangle, a quadrangle and a pentagon. The polygonal structure of the reflecting plate and the inner wall of the reflecting cylinder form a cavity, so that part of sound waves can be reflected out of the outer sound insulation plate through the cavity when being reflected, and the sound wave vibration in the reflecting cylinder is reduced.

As an alternative scheme of the utility model, a reflection section of thick bamboo is connected with heavy inslot bottom surface magnetism. The magnetic attraction connection is convenient for mounting and dismounting the reflection cylinder.

As another alternative of the utility model, the end surface of the reflecting cylinder connected with the bottom surface in the sink groove is provided with an annular groove, a plurality of groups of annular clamping sheets are arranged in the annular groove, the annular clamping sheets are connected with the side wall at one side of the annular groove through an air bag,

the annular clamping sheet is provided with a conical bulge, the side surface of the reflecting cylinder corresponding to the annular clamping sheet is provided with a pressure lever, the pressure lever penetrates through the side wall of the reflecting cylinder and is fixedly connected with the annular clamping sheet,

and the sinking groove is connected with the end face of the reflecting cylinder, and a butt joint groove is arranged on the side wall of the butt joint groove and used for being matched and clamped with the conical protrusion.

The reflection cylinder is clamped with the sinking groove, so that the reflection cylinder is convenient to mount and dismount, the connection between the reflection cylinder and the sinking groove is tighter, and the displacement is not easy to generate.

Furthermore, a first magnetic sheet is arranged on the inner wall of the butt joint groove, and a second magnetic sheet which is mutually magnetically repellent with the first magnetic sheet is arranged on the end face of the annular groove. The reflecting tube is pushed outwards by the repulsive force between the first magnetic sheet and the second magnetic sheet, the reflecting tube can be detached from the butt-joint groove more easily, and the conical protrusion and the clamping groove can be clamped more tightly by thrust force generated by the repulsive force in a normal clamping state.

The beneficial effects of the utility model are that:

(1) The utility model discloses the acoustic celotex board is through setting up a reflection section of thick bamboo and reflecting plate, has increased the number of times that the sound wave was reflected, outside reflecting the acoustic celotex board with the sound wave to make the sound wave be consumed the energy in the inside multiple reflection of acoustic celotex board, thereby weaken the transmission of sound wave in the acoustic celotex board, play syllable-dividing effect.

(2) The utility model discloses the acoustic celotex board can be dismantled the connection through making a reflection section of thick bamboo and heavy groove, the installation of a reflection section of thick bamboo of not only being convenient for, and can unload the reflection section of thick bamboo that needs to be changed alone to reduce the repair cost of acoustic celotex board, labour saving and time saving more.

Drawings

FIG. 1 is an overall view of the baffle of the present invention;

FIG. 2 is a distribution diagram of the reflection cylinder of the acoustic panel of the present invention;

FIG. 3 is a reflector distribution diagram of the acoustic panel of the present invention;

FIG. 4 is a structural view of a reflection cylinder of the soundproof panel of the present invention;

FIG. 5 is a cross-sectional view of the clip groove of the baffle of the present invention;

FIG. 6 is a view of the reflection cylinder and sink groove of the acoustic panel of the present invention;

FIG. 7 is a rubber strip distribution diagram of the acoustical panel of the present invention;

the sound insulation board comprises 1-an outer sound insulation board, 11-a butt joint groove, 12-a clamping groove, 13-a first magnetic sheet, 14-a through hole, 15-an adhesive tape, 2-a reflecting cylinder, 21-a reflecting board, 22-an annular groove, 221-an annular clamping sheet, 222-a conical protrusion, 223-an air bag, 224-a pressure bar, 225-a second magnetic sheet, 3-sound absorption cotton and 4-an inner sound insulation board.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description, so as to better illustrate the advantages of the present invention.

Example 1

As shown in fig. 2, a sound insulation board for shielding vibration sound of a rigid member comprises an outer sound insulation board 1, the outer sound insulation board 1 is made of manganese-copper damping alloy, a sinking groove is arranged on one side surface of the outer sound insulation board 1, 64 groups of reflecting cylinders 2 are arranged in the sinking groove, the 64 groups of reflecting cylinders 2 are connected with the bottom surface in the sinking groove in a magnetic attraction manner,

as shown in fig. 1, 64 sets of through holes 14 are provided on the outer baffle plate 1 corresponding to the position of the reflection cylinder 2,

as shown in fig. 3, the interior of the reflection cylinder 2 is hollow and has a circular truncated cone structure, 3 groups of reflection plates 21 are arranged in the reflection cylinder 2, 3 groups of reflection plates 21 are all of a quadrilateral structure, the corners of the reflection plates 21 are fixedly connected with the inner wall of the reflection cylinder 2, 3 groups of reflection plates 21 are distributed in the reflection cylinder 2 at equal intervals in a staggered manner, the staggered angle is 30 degrees, the reflection cylinder 2 and the reflection plates 21 are both made of sound insulation felt plates,

as shown in fig. 1, the gap between the sinking groove and the reflecting cylinder 2 is filled with sound-absorbing cotton 3, the sound-absorbing cotton 3 is selected from glass fiber cotton, and is far away from one side of the bottom surface in the sinking groove, an inner sound-insulating board 4 is arranged on the side surface of the sound-absorbing cotton 3, the inner sound-insulating board 4 is made of glass magnesium boards, and the inner sound-insulating board 4 is connected with the outer sound-insulating board 1 in a clamping manner through a flanging formed by edge folding.

The working principle of the acoustic baffle for shielding the vibration sound of the rigid member is as follows: after the vibration sound waves are transmitted to the outer sound insulation board 1, one part of the vibration sound waves are reflected by the outer sound insulation board 1, the other part of the vibration sound waves enter the reflecting cylinder 2 and the sound absorption cotton 3, part of the sound waves entering the reflecting cylinder 2 are reflected by the reflecting board 21, and part of the sound waves pass through a cavity formed by the reflecting board 21 and the reflecting cylinder 2 and are reflected by the next reflecting board 21 which is distributed in a staggered way, because the reflecting cylinder 2 is in a circular truncated cone structure, the sound waves can also be reflected on the inclined inner wall of the reflecting cylinder 2, one part of the sound waves enter the outer sound insulation board 1 through the through holes 14 after being reflected, most of the sound energy is consumed by the sound waves passing through the reflecting cylinder 2, the part of the sound absorption cotton 3 is absorbed by the sound absorption cotton 3, and the rest of the sound waves are blocked by the inner sound insulation board 4 after passing through the sound absorption cotton 3, so that the sound insulation effect is achieved;

when the reflecting plate 21 or the reflecting cylinder 2 has problems, the reflecting cylinder 2 with problems can be detached through the magnetic attraction connection of the reflecting cylinder 2 and the bottom surface in the sinking groove.

Example 2

As shown in fig. 4, this embodiment is substantially the same as embodiment 1, except that an annular groove 22 is provided on the end surface of the reflection cylinder 2 connected to the bottom surface in the sinking groove, 3 sets of annular snap pieces 221 are provided in the annular groove 22, the annular snap pieces 221 are connected to one side wall of the annular groove 22 by air bags 223,

as shown in fig. 4, a conical protrusion 222 is provided on the annular snap-in piece 221, a press rod 224 is provided on the side surface of the reflection barrel 2 corresponding to the position of the annular snap-in piece 221, the press rod 224 penetrates through the side wall of the reflection barrel 2 and is fixedly connected with the annular snap-in piece 221,

as shown in fig. 5, a butt-joint groove 11 is provided on the sinking groove connected with the end face of the reflection barrel 2, and a clamping groove 12 for matching and clamping with the conical protrusion 222 is provided on the side wall of the butt-joint groove 11,

as shown in fig. 6, a first magnetic sheet 13 is arranged on the inner wall of the butt-joint groove 11, and a second magnetic sheet 225 which is magnetically repellent to the first magnetic sheet 13 is arranged on the end face of the annular groove 22;

as shown in fig. 7, the inner walls of the flanges at both sides of the outer baffle 1 are provided with rubber strips 15.

The working principle of the sound insulation board is as follows: the operation principle is basically the same as that of the embodiment 1, except that when the reflection cylinder 2 is installed, the pressing rod 224 is pressed down to compress the air bag 223, the annular clamping sheet 221 is pushed into the butt joint groove 11, the pressing rod 224 is released, and the air bag 223 returns to a normal state to push the conical protrusion 222 into the clamping groove 12, so that the reflection cylinder 2 is clamped with the inner bottom surface of the sinking groove, the reflection cylinder 2 is convenient to install and dismantle, the connection between the reflection cylinder 2 and the sinking groove is tighter, and the displacement is not easy to generate;

when the reflection barrel 2 is disassembled, the pressing rod 224 is pressed to compress the air bag 223, the mutual repulsion force between the first magnetic sheet 13 and the second magnetic sheet 225 pushes the reflection barrel 2 outwards, the reflection barrel 2 can be disassembled from the butt joint groove 11 more easily, and the thrust generated by the mutual repulsion between the first magnetic sheet 13 and the second magnetic sheet 225 under the normal clamping state can enable the conical protrusion 222 to be clamped with the clamping groove 12 more tightly;

the adhesive tape 15 can increase and inhale the friction between cotton 3 and the heavy inslot medial surface of sound to prevent to inhale cotton 3 and produce when the sound wave strikes and slide, make and inhale cotton 3 of sound difficult aversion.

Claims

1. A sound insulation board for shielding the vibration sound of a rigid member is characterized by comprising an outer sound insulation board (1), wherein a sunken groove is formed in the side face of one side of the outer sound insulation board (1), a plurality of groups of reflecting cylinders (2) are arranged in the sunken groove, the plurality of groups of reflecting cylinders (2) are detachably connected with the bottom surface in the sunken groove,

a plurality of groups of through holes (14) are arranged on the outer sound insulation board (1) corresponding to the position of the reflecting cylinder (2),

the interior of the reflecting cylinder (2) is hollow, a plurality of groups of reflecting plates (21) are arranged in the reflecting cylinder (2), the plurality of groups of reflecting plates (21) are all of a polygonal structure, corners of the reflecting plates (21) are connected with the inner wall of the reflecting cylinder (2), the plurality of groups of reflecting plates (21) are distributed in the reflecting cylinder (2) in an equidistant and staggered manner,

the gap between the sinking groove and the reflecting cylinder (2) is filled with sound-absorbing cotton (3), one side of the bottom surface in the sinking groove is kept away from, and an inner sound-insulating board (4) is arranged on the side surface of the sound-absorbing cotton (3), and the inner sound-insulating board (4) is connected with the outer sound-insulating board (1) in a clamping manner.

2. The acoustic panel for shielding the vibration sound of the rigid member according to claim 1, wherein the reflecting cylinder (2) and the reflecting plate (21) are made of acoustic insulation material, the acoustic insulation material is an acoustic felt plate, and the acoustic wool (3) is glass fiber cotton or polyester fiber cotton.

3. An acoustic panel for shielding the vibration sound of a rigid member according to claim 1, wherein the inner side of the sink is provided with an adhesive tape (15).

4. The soundproof panel for shielding vibration sound of the rigid member according to claim 1, wherein the outer soundproof panel (1) is made of a shockproof soundproof material, the shockproof soundproof material is made of a manganin damping alloy, the inner soundproof panel (4) is made of a fireproof soundproof material, and the fireproof soundproof material is a magnesium oxide panel.

5. An acoustic panel for shielding a vibrating sound of a rigid member according to claim 1, wherein the reflecting plate (21) has a polygonal structure of any one of a triangle, a quadrangle and a pentagon.

6. The acoustic baffle for shielding the vibration sound of the rigid member according to claim 1, wherein the reflection cylinder (2) is magnetically connected with the bottom surface in the sinking groove.

7. An acoustic panel for shielding a vibration sound of a rigid member according to claim 1, wherein an annular groove (22) is provided on an end surface of the reflection cylinder (2) connected to an inner bottom surface of the sunken groove, a plurality of sets of annular snap pieces (221) are provided in the annular groove (22), the annular snap pieces (221) are connected to a side wall of the annular groove (22) through air bags (223),

the annular clamping sheet (221) is provided with a conical bulge (222), the side surface of the reflecting tube (2) corresponding to the annular clamping sheet (221) is provided with a pressure lever (224), the pressure lever (224) penetrates through the side wall of the reflecting tube (2) and is fixedly connected with the annular clamping sheet (221),

with reflection section of thick bamboo (2) end connection set butt joint groove (11) on the heavy groove, just be equipped with on butt joint groove (11) lateral wall and be used for with draw-in groove (12) of toper arch (222) cooperation joint.

8. An acoustic panel for shielding a vibration sound of a rigid member according to claim 7, wherein a first magnetic sheet (13) is provided on an inner wall of the abutting groove (11), and a second magnetic sheet (225) magnetically repulsive to the first magnetic sheet (13) is provided on an end surface of the annular groove (22).