CN218622717U - Device of making an uproar falls in hall of waiting - Google Patents

Abstract

The utility model discloses a noise reduction device for a waiting hall, which comprises a sound absorption assembly, wherein the sound absorption assembly comprises a wooden plate, a plurality of sound guide holes are formed in the wooden plate, any end face of the wooden plate is fixedly connected with a sound absorption plate, one side of the sound absorption plate, which is far away from the wooden plate, is fixedly connected with sound absorption cotton, and one side of the sound absorption plate, which is far away from the sound absorption cotton, is fixedly connected with a bottom plate; coupling assembling, coupling assembling includes the frame, the wooden board the abatvoix inhale the acoustic cotton with bottom plate fixed connection is in the frame, the frame can be dismantled and be connected with the connecting rod, connecting rod quantity is a plurality of. The device can be arranged on the top or the side wall of a waiting hall, can absorb the noise in the waiting hall to the greatest extent, reduces the reflection of the noise and reduces the influence on passengers or workers.

Description

Noise reduction device for waiting hall

technical field

The utility model relates to the technical field of noise reduction, in particular to a noise reduction device for a waiting hall.

Background technique

The waiting hall is a place to provide station services for passengers. Passengers can wait and rest in the waiting hall. The waiting hall is densely populated, and the sounds of the waiting area, ticket checking area and various equipment operations are mixed together, making it very noisy. Waiting in a noisy environment will make passengers more nervous and affect the comfort of waiting. The staff working in this environment for a long time will also have a negative impact on their mental state and easily lead to physical and mental exhaustion.

The patent with the publication number CN212926652U discloses a ceiling structure for sound insulation and noise reduction. The sound insulation board is fixed on the wall with a screw, and the other end of the screw is fixedly connected to the ceiling plate through a fastener, although the noise can pass through the ceiling. The board is absorbed by the sound insulation board, but the noise will be reflected when it passes through the ceiling board, which will increase the noise in the room and reduce the comfort of the people in the room.

Utility model content

The purpose of this utility model is to provide a noise reduction device for the waiting hall to solve the above-mentioned problems in the prior art, strengthen the absorption of noise, reduce the reflection of noise, and improve the comfort in the waiting hall.

In order to achieve the above purpose, the utility model provides the following scheme: the utility model provides a noise reduction device for a waiting hall, comprising:

A sound-absorbing assembly, the sound-absorbing assembly includes a wooden board, a number of sound-guiding holes are opened on the wooden board, a sound-absorbing board is fixedly connected to either end of the wooden board, and a sound-absorbing board is fixedly connected to the side away from the wooden board. Sound-absorbing cotton, the side of the sound-absorbing cotton away from the sound-absorbing board is fixedly connected with a bottom plate;

A connecting assembly, the connecting assembly includes a frame, the wooden board, the sound-absorbing board, the sound-absorbing cotton and the bottom plate are fixedly connected in the frame, the frame is detachably connected with a connecting rod, and the connecting rod The number is several.

Preferably, several sound-absorbing cavities are opened on the sound-absorbing plate, and several grooves are opened on the side walls of the sound-absorbing cavity.

Preferably, several sound-absorbing holes are opened in the sound-absorbing cotton.

Preferably, one side end surface of the bottom plate is fixedly connected with several ribs, the ribs and the bottom plate are integrally formed, and the ribs face the sound-absorbing cotton.

Preferably, the four corners of the frame are provided with notches, the four notches have the same size, and the four frames are adjacently arranged to form installation holes, and the connecting rods are located in the installation holes.

Preferably, the limiting plate is fixedly connected to the connecting rod, the frame abuts against the limiting plate, a threaded hole is opened on the end of the connecting rod close to the frame, and a threaded rod is detachably connected to the threaded hole A baffle is fixedly connected to the threaded rod, the baffle abuts against the frame, and the frame is located between the limiting plate and the baffle.

Preferably, a rotating plate is fixedly connected to the end of the baffle plate away from the frame.

The utility model discloses the following technical effects: the device fixes several connecting rods on the keel at the top of the waiting hall or on the side wall, fixes the frame on several connecting rods, makes one side of the wooden board face the waiting hall, and the wooden board The noise can be initially absorbed. The sound guide hole is used to transmit the noise to the sound-absorbing panel. The sound-absorbing panel absorbs the noise again to reduce the energy of the noise. The sound-absorbing cotton absorbs the noise passing through the sound-absorbing panel and absorbs the noise to the greatest extent. To protect the sound-absorbing cotton. The device can be installed on the top or side wall of the waiting hall, which can absorb the noise in the waiting hall to the greatest extent, reduce the reflection of noise, and reduce the impact on passengers or staff.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the invention, those skilled in the art can also obtain other drawings according to these drawings without paying creative efforts.

Fig. 1 is the structural schematic diagram of the noise reduction device of the waiting hall of the utility model;

Figure 2 is a partially enlarged view of a in Figure 1;

Fig. 3 is a front view of the utility model;

Among them, 1. Wooden board; 2. Sound guide hole; 3. Sound-absorbing board; 4. Sound-absorbing cotton; 5. Bottom plate; 6. Frame; 7. Connecting rod; 8. Sound-absorbing cavity; ; 11, convex corrugated; 12, gap; 13, limit plate; 14, threaded rod; 15, baffle plate; 16, rotating plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In order to make the above purpose, features and advantages of the utility model more obvious and understandable, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1-3, the utility model provides a noise reduction device for a waiting hall, including:

The sound-absorbing component, the sound-absorbing component includes a wooden board 1, a number of sound-conducting holes 2 are opened on the wooden board 1, a sound-absorbing board 3 is fixedly connected to any end of the wooden board 1, and a sound-absorbing cotton 4 is fixedly connected to the side of the sound-absorbing board 3 away from the wooden board 1 , the side of the sound-absorbing cotton 4 away from the sound-absorbing panel 3 is fixedly connected with a bottom plate 5 .

The wooden board 1 can initially absorb the noise, the sound guide hole 2 is used to transmit the noise to the sound-absorbing board 3, the sound-absorbing board 3 absorbs the noise again, and reduces the energy of the noise, and the sound-absorbing cotton 4 absorbs the noise passing through the sound-absorbing board 3, To absorb noise to the greatest extent, the bottom plate 5 is used to protect the sound-absorbing cotton 4, and the sound-absorbing board 3 in this embodiment can be a mineral wool sound-absorbing board.

The connection assembly, the connection assembly includes a frame 6, the wooden board 1, the sound-absorbing board 3, the sound-absorbing cotton 4 and the bottom plate 5 are fixedly connected in the frame 6, and the frame 6 is detachably connected with connecting rods 7, and the number of connecting rods 7 is several.

The wooden board 1, the sound-absorbing board 3, the sound-absorbing cotton 4 and the bottom board 5 are fixedly connected in the frame 6, which can form a protection to prevent the wooden board 1, the sound-absorbing board 3, the sound-absorbing cotton 4 and the bottom board 5 from spreading out, and at the same time facilitate the connection with the connecting rod 7 Installation, multiple connecting rods 7 can be used to install with the wall or keel, so that the device can be installed on the top or side wall of the waiting hall. If the device is installed on the top and the wall at the same time, the noise will be transmitted to the wall or the top At this time, the wooden board 1, the sound-absorbing board 3, and the sound-absorbing cotton 4 can absorb the noise to the greatest extent and reduce the reflection of the noise, thereby reducing the noise reverberation effect in the waiting hall.

To further optimize the solution, the sound-absorbing panel 3 is provided with several sound-absorbing cavities 8 , and the side walls of the sound-absorbing chamber 8 are provided with several grooves 9 .

The sound-absorbing cavity 8 is used for absorbing noise, and the groove 9 can make the noise reflect irregularly in the sound-absorbing cavity 8, reducing the possibility of external reflection of the noise.

To further optimize the solution, a number of sound-absorbing holes 10 are provided in the sound-absorbing cotton 4 .

The sound-absorbing hole 10 makes the noise stay in the sound-absorbing cotton 4 for a longer time, which is convenient for the sound-absorbing cotton 4 to absorb noise.

To further optimize the solution, one side of the bottom plate 5 is fixedly connected with a number of corrugations 11 , the corrugations 11 and the bottom plate 5 are of an integrated structure, and the corrugations 11 face the sound-absorbing cotton 4 .

The corrugation 11 makes the noise reflect irregularly on the bottom plate 5, which is convenient for the sound-absorbing cotton 4 to absorb.

In a further optimized solution, notches 12 are provided at the four corners of the frame 6, and the four notches 12 have the same size, and the four frames 6 are adjacently arranged to form installation holes, and the connecting rods 7 are located in the installation holes.

The four frames 6 are placed together so that the four gaps 12 form mounting holes for connecting with the connecting rod 7, which facilitates fixing the position of the frame 6 during installation, and the gaps 12 opened by the frame 6 do not affect the internal wooden board 1 and sound absorption Board 3, sound-absorbing cotton 4 and bottom plate 5.

To further optimize the scheme, the connecting rod 7 is fixedly connected with the limiting plate 13, the frame 6 abuts against the limiting plate 13, and the end of the connecting rod 7 close to the frame 6 is provided with a threaded hole, and the threaded hole is detachably connected with a threaded rod 14, and the threaded rod 14 A baffle 15 is fixedly connected, and the baffle 15 abuts against the frame 6 , and the frame 6 is located between the limiting plate 13 and the baffle 15 .

Limiting plate 13 is used to limit the position of frame 6, and several limiting plates 13 are on the same horizontal plane, can make all frames 6 also be on a plane, after frame 6 is placed on connecting rod 7, hold baffle plate 15, Screw the threaded rod 14 into the threaded hole, thereby fixing the frame 6 and preventing the frame 6 from falling.

In a further optimized solution, the end of the baffle plate 15 away from the frame 6 is fixedly connected with a rotating plate 16 .

When screwing the baffle plate 15, it can be rotated by the rotating plate 16, which is more convenient.

The installation method of this device is to fix several connecting rods 7 on the wall or the keel, and make all the limit plates 13 on the same level, and then install the wooden board 1, sound-absorbing board 3, sound-absorbing cotton 4 and bottom board 5 The frame 6 is placed between the four connecting rods 7, and the gap 12 is aligned with the connecting rods 7, and then the baffle plate 15 and the threaded rod 14 are screwed into the threaded hole, and multiple frames 6 can be placed and then the threaded rods are tightened one by one 14. When installing the frame 6, make the side of the wooden board 1 face the waiting hall. When the noise in the waiting hall is transmitted to the wooden board 1, the wooden board 1 can initially absorb the noise, and the sound guide hole 2 is used to make the noise flow to the sound-absorbing board 3 Passing, the sound-absorbing panel 3 absorbs the noise again, and the sound-absorbing cavity 8 is used to absorb the noise, and the groove 9 on the sound-absorbing cavity 8 can make the noise reflect irregularly in the sound-absorbing cavity 8, reducing the possibility of the noise being reflected outwards, The sound-absorbing cotton 4 absorbs the noise passing through the sound-absorbing panel 3, and the noise-absorbing holes 10 in the sound-absorbing cotton 4 further weaken the noise.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention.

The above-mentioned embodiment is only to describe the preferred mode of the present utility model, not to limit the scope of the present utility model. The various deformations and improvements mentioned above should all fall within the scope of protection determined by the claims of the present utility model.

Claims (7)

1. The utility model provides a device of making an uproar falls in waiting room which characterized in that includes:

the sound absorption assembly comprises a wooden plate (1), a plurality of sound guide holes (2) are formed in the wooden plate (1), a sound absorption plate (3) is fixedly connected to any end face of the wooden plate (1), sound absorption cotton (4) is fixedly connected to one side, away from the wooden plate (1), of the sound absorption plate (3), and a bottom plate (5) is fixedly connected to one side, away from the sound absorption plate (3), of the sound absorption cotton (4);

coupling assembling, coupling assembling includes frame (6), wooden board (1) abatvoix (3) inhale sound cotton (4) and bottom plate (5) fixed connection be in frame (6), frame (6) can be dismantled and be connected with connecting rod (7), connecting rod (7) quantity is a plurality of.

2. The noise reduction device for the waiting hall of claim 1, wherein: a plurality of sound-absorbing cavities (8) are formed in the sound-absorbing plate (3), and a plurality of grooves (9) are formed in the side wall of each sound-absorbing cavity (8).

3. The noise reduction device for the waiting hall according to claim 1, wherein: a plurality of sound deadening holes (10) are formed in the sound absorbing cotton (4).

4. The noise reduction device for the waiting hall of claim 1, wherein: bottom plate (5) wherein one side terminal surface fixedly connected with a plurality of protruding stupefied (11), protruding stupefied (11) with bottom plate (5) formula structure as an organic whole, protruding stupefied (11) orientation inhale sound cotton (4).

5. The noise reduction device for the waiting hall according to claim 1, wherein: notches (12) are formed in four corners of the frame (6), the sizes of the notches (12) are the same, the frames (6) are adjacently arranged to form mounting holes, and the connecting rods (7) are located in the mounting holes.

6. The device of claim 5, wherein: fixedly connected with limiting plate (13) on connecting rod (7), frame (6) with limiting plate (13) butt, connecting rod (7) are close to frame (6) one end set up threaded hole, the threaded hole can be dismantled and be connected with threaded rod (14), threaded rod (14) fixedly connected with baffle (15), baffle (15) with frame (6) butt, frame (6) are located limiting plate (13) with between baffle (15).

7. The device of claim 6, wherein: one end of the baffle plate (15) far away from the frame (6) is fixedly connected with a rotating plate (16).

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