CN212161278U

CN212161278U - Sound-insulation noise-reduction plate

Info

Publication number: CN212161278U
Application number: CN202020609637.1U
Authority: CN
Inventors: 郭连龙; 戴宇
Original assignee: Dalian Gaoke Flame Retardant Rubber Co ltd
Current assignee: Dalian Gaoke Flame Retardant Rubber Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-12-15
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of noise reduction, in particular to a sound-insulation noise-reduction plate, which comprises an upper plate body and a lower plate body; a cavity between the upper plate body and the lower plate body is a buffering noise reduction cavity, and a buffering noise reduction structure is arranged in the buffering noise reduction cavity; the buffering and noise-reducing structure comprises buffering air bags and blocking noise-reducing pieces, wherein the buffering air bags are arranged on the lower surface of the upper plate body and used for buffering the upper plate body and the lower plate body, the blocking noise-reducing pieces are used for reducing noise, and the buffering air bags and the blocking noise-reducing pieces are arranged in a staggered mode; the blocking noise reduction piece consists of a first supporting piece and a second supporting piece which are of two hollow semicircular structures, and the first supporting piece and the second supporting piece are symmetrically arranged; and a plurality of blocking grooves for blocking sound wave transmission are formed in the outer walls of the first supporting piece and the second supporting piece in an array mode.

Description

Sound-insulation noise-reduction plate

Technical Field

The utility model relates to a fall the technical field of making an uproar, specifically be a board of making an uproar falls in giving sound insulation.

Background

At present, noise pollution is one of three major public hazards threatening human society, and research on noise control and sound absorption materials is one of the key researches in the fields of machining and the like. For example, for an outdoor unit of an air conditioner, the operation of the outdoor unit has a loud sound, which may seriously affect the experience of home, office, study, meeting or treatment.

At present, a plate with the average sound insulation amount exceeding 30dB is called a sound insulation plate, the sound insulation plate is generally made of high-density materials, the higher the density is, the better the sound insulation effect is, but sound of all frequencies can not be blocked, objects have natural resonance frequency, the sound close to the resonance frequency of the objects is obtained, and the sound insulation effect of the sound insulation plate is obviously reduced. Acoustic barriers distinguish air-sound barriers, i.e., panels that block sound propagating in the air, from vibrating sound barriers, i.e., panels and systems that block sound propagating in rigid structures. Most of the sound-insulation noise-reduction plates in the prior art have the defects of complex structure and poor sound insulation effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a board of making an uproar falls in giving sound insulation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sound insulation and noise reduction plate comprises an upper plate body and a lower plate body; a cavity between the upper plate body and the lower plate body is a buffering noise reduction cavity, and a buffering noise reduction structure is arranged in the buffering noise reduction cavity; the buffering and noise-reducing structure comprises buffering air bags and blocking noise-reducing pieces, wherein the buffering air bags are arranged on the lower surface of the upper plate body and used for buffering the upper plate body and the lower plate body, the blocking noise-reducing pieces are used for reducing noise, and the buffering air bags and the blocking noise-reducing pieces are arranged in a staggered mode; the blocking noise reduction piece consists of a first supporting piece and a second supporting piece which are of two hollow semicircular structures, and the first supporting piece and the second supporting piece are symmetrically arranged; and a plurality of blocking grooves for blocking sound wave transmission are formed in the outer walls of the first supporting piece and the second supporting piece in an array mode.

Preferably, the outer walls of the upper plate body and the lower plate body are sequentially provided with a sound absorption layer and a noise reduction layer from outside to inside, and the sound absorption layer and the noise reduction layer play a role in absorbing sound and reducing noise for the first plate body and the second plate body respectively.

Preferably, the sound absorption layer is internally provided with a honeycomb sound absorption hole, and the noise reduction layer is internally provided with a plurality of noise reduction holes at intervals.

Preferably, the outer walls of the upper plate body and the lower plate body are respectively provided with a rubber gasket, so that noise generated by the upper plate body and the lower plate body is reduced.

Preferably, the arc-shaped end part of the first supporting piece and the arc-shaped end part of the second supporting piece are provided with positioning holes, positioning rods penetrate through the positioning holes, positioning blocks are arranged at the left end and the right end of each positioning rod, and the stability of the noise reduction piece is further improved.

Preferably, the outer wall of the buffer air bag is provided with an exhaust hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is provided with the buffer noise reduction cavity between the upper plate body and the lower plate body, and is internally provided with the buffer air bag and the blocking noise reduction piece for buffering between the upper plate body and the lower plate body, and the buffer air bag and the blocking noise reduction piece can both play an effective buffer role when the sound insulation noise reduction plate is impacted, thereby reducing the noise generated by the sound insulation noise reduction plate; when the upper plate body or the lower plate body is blocked from transmitting noise from the outside, the noise transmission between the lower plate body and the lower plate body is reduced or blocked, and the noise reduction and silencing effects are achieved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the specific structure of the present invention;

fig. 3 is a schematic view of the specific structure of the upper plate body of the present invention;

fig. 4 is a schematic view of the local specific structure of the blocking noise reduction member of the present invention.

In the figure: 1. an upper plate body; 2. a lower plate body; 3. a buffer noise reduction cavity; 4. a buffering noise reduction structure; 5. a buffer air bag; 6. blocking the noise reduction member; 7. an exhaust hole; 8. positioning blocks; 9. a first support member; 10. a second support member; 11. a blocking slot; 12. a rubber gasket; 13. a sound absorbing layer; 14. a noise reduction layer; 15. a sound absorption hole; 16. a noise reduction hole; 17. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a sound insulation and noise reduction plate comprises an upper plate body 1 and a lower plate body 2; a cavity between the upper plate body 1 and the lower plate body 2 is provided with a buffering noise reduction cavity 3, and a buffering noise reduction structure 4 is arranged inside the buffering noise reduction cavity 3; the buffering and noise reducing structure 4 comprises a buffering air bag 5 and a blocking and noise reducing piece 6, wherein the buffering air bag 5 is arranged on the lower surface of the upper plate body 1 and is used for buffering the upper plate body 1 and the lower plate body 2, the blocking and noise reducing piece 6 is used for reducing noise, and the buffering air bag 5 and the blocking and noise reducing piece 6 are arranged in a staggered mode; the blocking noise reduction part 6 consists of a first support part 9 and a second support part 10 which are of two hollow semicircular structures, and the first support part 9 and the second support part 10 are symmetrically arranged; a plurality of blocking grooves 11 for blocking the transmission of sound waves are formed in the outer walls of the first supporting member 9 and the second supporting member 10 in an array manner.

Further, the outer walls of the upper plate body 1 and the lower plate body 2 are sequentially provided with a sound absorption layer 13 and a noise reduction layer 14 from outside to inside.

Further, the sound absorbing layer 13 is provided with honeycomb sound absorbing holes 15 therein, and the noise reducing layer 14 is provided with a plurality of noise reducing holes 16 therein at intervals.

Further, the outer walls of the upper plate body 1 and the lower plate body 2 are both provided with rubber gaskets 12.

Further, the arc-shaped end portion of the first supporting piece 9 and the arc-shaped end portion of the second supporting piece 10 are provided with positioning holes, positioning rods 17 penetrate through the positioning holes, and positioning blocks 8 are arranged at the left end and the right end of each positioning rod 17.

Further, the outer wall of the buffer air bag 5 is provided with an exhaust hole 7.

The working principle is as follows: the buffering noise reduction cavity 3 arranged between the upper plate body 1 and the lower plate body 2 can reduce or block noise transmission between the lower plate body 1 and the lower plate body 2 when the upper plate body 1 or the lower plate body 2 transmits noise from the outside, and plays a role in noise reduction and silencing. The noise reduction plate is characterized in that the buffering air bag 5 and the blocking noise reduction piece 6 are arranged in the noise reduction plate, the buffering air bag 5 plays an effective buffering role on the noise reduction plate through the self buffering and elastic performances when the noise reduction plate is impacted, the first supporting piece 9 and the second supporting piece 10 of the blocking noise reduction piece 6 can be effectively supported and borne, the impact force from the upper plate body 1 or the lower plate body 2 reduces the direct impact force between the upper plate body 1 and the lower plate body 2, the service life of the noise reduction plate is prolonged, and the noise generated by the noise reduction plate is reduced. When the noise reduction piece 6 is blocked to transmit noise from the outside through the upper plate body 1 or the lower plate body 2, due to the fact that the plurality of blocking grooves 11 and the hollow structures are formed in the side walls of the noise reduction piece, sound wave transmission between the upper plate body 1 and the lower plate body 1 is reduced, noise transmission between the upper plate body 1 and the lower plate body 2 is further reduced, and the noise reduction and silencing effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sound-insulating noise-reducing plate is characterized in that: comprises an upper plate body (1) and a lower plate body (2); a cavity between the upper plate body (1) and the lower plate body (2) is a buffering noise reduction cavity (3), and a buffering noise reduction structure (4) is arranged inside the buffering noise reduction cavity (3); the buffering and noise reducing structure (4) comprises buffering air bags (5) which are arranged on the lower surface of the upper plate body (1) and used for buffering the upper plate body (1) and the lower plate body (2) and blocking noise reducing pieces (6) used for reducing noise, and the buffering air bags (5) and the blocking noise reducing pieces (6) are arranged in a staggered mode; the blocking noise reduction piece (6) consists of a first supporting piece (9) and a second supporting piece (10) which are of two hollow semicircular structures, and the first supporting piece (9) and the second supporting piece (10) are symmetrically arranged; and a plurality of blocking grooves (11) for blocking sound wave transmission are formed in the outer walls of the first supporting piece (9) and the second supporting piece (10) in an array mode.

2. A sound insulating and noise reducing panel according to claim 1, wherein: the outer walls of the upper plate body (1) and the lower plate body (2) are sequentially provided with a sound absorption layer (13) and a noise reduction layer (14) from outside to inside.

3. A sound insulating and noise reducing panel according to claim 2, wherein: the sound absorption layer (13) is internally provided with a honeycomb sound absorption hole (15), and the noise reduction layer (14) is internally provided with a plurality of noise reduction holes (16) at intervals.

4. A sound insulating and noise reducing panel according to claim 1, wherein: the outer walls of the upper plate body (1) and the lower plate body (2) are respectively provided with a rubber gasket (12).

5. A sound insulating and noise reducing panel according to claim 1, wherein: the arc-shaped end part of the first supporting piece (9) and the arc-shaped end part of the second supporting piece (10) are provided with positioning holes, positioning rods (17) penetrate through the positioning holes, and positioning blocks (8) are arranged at the left end and the right end of each positioning rod (17).

6. A sound insulating and noise reducing panel according to claim 1, wherein: and an exhaust hole (7) is formed in the outer wall of the buffering air bag (5).