KR200481328Y1

KR200481328Y1 - Sound-absorbing unit structure for Vehicle

Info

Publication number: KR200481328Y1
Application number: KR2020150007257U
Authority: KR
Inventors: 하만진; 정종대; 방석철
Original assignee: 하만진; 정종대
Priority date: 2015-11-09
Filing date: 2015-11-09
Publication date: 2016-09-12

Abstract

The present invention relates to a sound absorbing structure suitable for a conveying means (ship, airplane, train), and more particularly, to a sound absorbing structure suitable for a variety of purposes such as seawater, rocking, And a sound absorbing panel 20 having a first sound absorbing wool 200 on its rear surface is integrally formed on the inner surface of the structure frame 30, And a sound absorbing structure for a conveying means having elongated holes 31 formed on the rear surface of the inner circumferential surface of the structure frame 30.
And a plurality of binding vices 500 having a truss 41 at each corner of the inner circumference of the sound-absorbing panel and a fixing lever 510 on the front surface of the frame 30, 500 are further coupled to the side surfaces of the sound absorbing panel 20 and the trusses 41 further include the inclined members 400 in mutually corresponding directions, When the shock is applied to the specific portion, the shape of the sound absorbing structure can be prevented from being deformed.
Therefore, it is necessary to provide the sound absorbing function to the special conveying means such as a ship, an airplane, a train, or a military conveying means, and it is easy to maintain and repair, and has an effect of preventing deformation of form due to weight,

Description

[0001] The present invention relates to a sound-absorbing unit structure for vehicle,

The present invention relates to a sound absorbing structure suitable for a conveying means (ship, airplane, train), and more particularly, to a structure capable of using a sound absorbing material even in a situation where durability may be damaged, will be.

The sound absorbing materials widely used in the building can not be used for mass transit and military equipment, and it is difficult to manage and maintain the moving means because it causes deformation during traveling while it is moving.

In particular, pilots and pilots of military military units (tanks, warships, etc.) are required to solve such problems by using a primitive sound-absorbing means such as headphones, and the sound-absorbing headphone is detached from the user's body There is a problem that it needs to be recovered again.

On the other hand, commonly used sound absorbing materials are made of materials such as glass wool, resin, glass, and carbon, which are extremely easy to absorb and heat, and are widely used in buildings.

On the other hand, glass wool has a sound absorbing effect on various sounds. Generally, by inserting holes on the surface of a sound absorbing wall, sound absorption can be performed by blocking sound vibrations in various ranges such as high frequency and low frequency.

A sound absorbing material disclosed in Japanese Patent Application Laid-Open No. 2005-531022 can be described in detail as a technique capable of absorbing sounds of various ranges through a glass wool using a perforation of a sound absorbing plate.

The present invention relates to a sound absorbing material for automobiles equipped with a sound absorbing material including a molded product 1 made of a thermoplastic material and at least one part 2, 9 formed with a long hole 7 together with the molded article 1.

In order to achieve the above-mentioned sound absorbing material having the same or improved acoustic efficiency and good medium resistance and high heat resistance, a plurality of spikes 4 of spikes, which protrude in the long holes 7 and are directed toward the sound absorbing component 2, Is formed on the product (1), and the molded product (1) is described as having a plurality of holes (6) provided facing the spacer (4), respectively.

Referring to FIG. 1 (refer to FIG. 3), it can be seen that the holes 6 are provided in various sizes. When various sizes of holes are formed on the surface of the sound-absorbing wall, various kinds of high frequency and low frequency It is characterized by the ability to block the sound and vibration of the resonance band, and the sound and vibration that can not be intercepted are blocked by the glass wool, thereby maximizing the sound absorption effect.

On the other hand, the above-mentioned structure is inevitably easy to install in a fixed facility such as a building, but is difficult to install in a moving transportation means. Especially, maintenance or repair parts are difficult to solve. In general, public or military transporting means such as ships, airplanes and tanks are required to be regularly maintained or repaired from salt, air pressure, internal collision, while internal gloves or bulkheads Is it complete? The method of re-forming the inner glove and the bulkhead after installing or maintaining the sound-absorbing facility is relatively inefficient because the maintenance and repair costs are relatively high and the maintenance or repair or installation is made inefficient, Therefore, there is a problem that the supply of the sound absorbing means is limited.

In order to solve the above-mentioned problems, the present invention is intended to provide a sound absorbing function to a special conveying means such as a ship, an airplane, a train, or a military conveying means, So as to obtain a sound absorbing structure for a conveying means.

5, the sound-absorbing panel 20 having irregularly formed perforations 21 of various sizes is coupled to the front surface of the structure frame 30, while the sound-absorbing panel 20, The second sound absorbing wool 300 is provided on the inner surface of the structure frame 30 while the first sound absorbing wool 200 is provided on the rear surface of the structure frame 30 and the second sound absorbing wool 300 is provided on the inner surface of the structure frame 30, 31) is formed, and suitable components according to an embodiment of the present invention are provided for the combination or implementation of the above-described configuration, The number of corners and shapes of the sound absorbing panel 20 and the shapes of the shapes of the sound absorbing panel 30 and the sound absorbing panels 20 can be freely performed by the practitioner.

6, the second sound absorbing wool 300 is provided on the inner surface of the frame 30 and the elongated hole 31 is formed on the rear surface of the inner surface of the second sound absorbing wool 300, So that sound can be prevented from being radiated toward the barrier ribs. Thus, even if a plurality of barrier ribs are provided, they can be maintained and repaired at any time if only the barrier ribs are removed.

Also, the truss 41 is provided at each corner of the inner circumference of the sound-absorbing panel 20, and the trusses 41 are provided with the inclined material 400 in mutually corresponding directions.

A plurality of binding vices 500 are provided on the front surface of the frame 30 as shown in FIG. 7 to prevent separation of the structure frame 30 and the sound-absorbing panels 20 due to the shaking, To be combined.

The object of the present invention is to solve the problems as described above.

As described above, according to the present invention, it is possible to provide a sound absorbing function to a special conveying means such as a ship, an airplane, a train, or a military conveying means, It is effective.

1 is a reference diagram corresponding to Fig. 3 of a sound absorbing material disclosed in Japanese Laid-Open Patent Publication No. 2005-531022.
FIG. 2 is a perspective view showing a basic configuration according to a preferred embodiment of the present invention; FIG.
3 is an exploded perspective view showing a truss 41 and an inclined member 400 in a configuration according to a preferred embodiment of the present invention.
4 is a partially exploded view showing a state in which a slope material 400 is separated from a sound-absorbing panel 20 in a preferred embodiment of the present invention.
FIG. 5 is an exploded view of a basic configuration according to a preferred embodiment of the present invention. FIG.
FIG. 6 is a sectional view showing a suction port structure according to a preferred embodiment of the present invention; FIG.
7 is a partial enlarged view showing a state in which the binding vise 500 is provided on the outer circumferential surface of the front surface of the structure frame 30 in a preferred embodiment of the present invention.
FIG. 8 is a partially exploded view showing a state in which the structure of the binding vise 500 is separated, in a preferred embodiment of the present invention. FIG.
FIG. 9 is an embodiment showing a structure frame 30 in a mesh form in a preferred embodiment of the present invention; FIG.
10 is a partially exploded view showing a shape in which the inclined member 400 is intersected and a combined shape of the cross member 411 in a preferred embodiment of the present invention.

Hereinafter, the present invention will be described more specifically based on the drawings and examples.

As shown in FIG. 5, the present invention has a structure in which a sound absorbing panel 20 having irregularly formed perforations 21 is coupled to a front surface of a structural frame 30, A second sound absorbing wool 300 is provided on an inner surface of the structure frame 30 and a second sound absorbing wool 300 is provided on a rear surface of the inner surface of the structure frame 30, A sound absorbing structure is provided, and suitable components according to an embodiment of the present invention are alternatively provided for combination or implementation of the above-described structure, and the structure frame 30 and the sound absorbing panel 20), the number of corners, and the shape of the figure shall be freely available to the practitioner.

In addition, as shown in FIG. 9, when a special shape is required, it is preferable that the rear portion of the structure frame 30 can also be provided as a chain net.

The sound absorbing panel 20 is characterized in that the perforations 21 of various sizes are irregularly formed because the sound absorbing sound bands vary depending on the size of the perforations 21. Therefore, The sound waves of the same low sound band (frequency band) can be absorbed as well, so that the sound absorbing wool 200 and 300 provided inside the sound absorbing wool 200 and 300 can absorb more sound waves of low sound quality So that it can be a structure more suitable for the conveying means which is particularly exposed to the sound.

5, when the sound absorbing structure for the original conveying means is separated, fibers such as nonwoven fabric, sponge, felt, and microfibers are used for the first sound absorbing wool 200, and the second sound absorbing wool 300 is made of glass wool So that the transmission speed of the frequency or sound wave caused by the fiber network can be reduced or reduced.

Therefore, a preferred embodiment according to the present invention will be described below with reference to the drawings or embodiments.

FIG. 2 is an exploded perspective view showing a basic structure of a sound absorbing structure according to the present invention, and FIG. 3 is an exploded perspective view showing a sound absorbing structure according to the present invention having a truss 41 and an inclined material 400.

In general, special transport means such as tanks, boats, and airplanes are characterized by their heavy weight, power, and pressure, compared to ordinary private transport means.

Therefore, the sound absorbing structure needs to preserve the shape of the sound absorbing wool 200 and 300 such as the glass wool provided therein.

Therefore, the trusses 41 are provided at the respective corners of the inner circumferential surface of the sound-absorbing panel 20, and the trusses 41 are provided in the direction corresponding to each other.

10, the intersection 410 may be provided at the center of the cross member 410, and the cross member 410 may be formed of a cross member 411, So that the center ends of the inclined members 400 are coupled to each other.

The intersection part 410 coupled by the cross coupling member 411 can prevent the structure 30 and the sound absorbing panel 20 from being damaged when a specific portion is impacted, There is an effect that the shape deformation of the sound-absorbing structure can be prevented even if a large impact is applied.

If it is necessary to maintain or replace the slant material 400, it is preferable that the slant material 400 can be easily removed from the truss 41 by the user as shown in FIG. 4, thereby facilitating detachment and attachment.

Therefore, it is preferable that the material of the cross member 411 can be coupled with bolts and nuts, or can be coupled with pins or keys.

8 is a partial exploded view showing the detailed structure of the binding vise 500 separated from the binding vise 500. A fixing lever 510 is provided on the front side of the binding vise 500 and a binding bolt 521 The fastening bolt 521 can be coupled to the structure frame 30 and the sound absorbing panel 20 by a nut 528 and a washer 529 as a coupling means.

The configuration described above allows the user to easily change the glass wool of the sound absorbing structure provided on the ship, which is susceptible to natural damage such as salting and pest by allowing the user to release the bond between the binding vise 500 and the nut 528 The fixing bolts 521 and the nuts 528 are combined with each other and then the fixing frame 510 makes the structure frame 30 and the sound absorbing panel 20 more closely contact with each other.

At this time, the principle that the fixing lever 510 can perform the above-mentioned close contact is the same as the constitutional principle of a fixing lever 510 for fixing a conventional bicycle saddle, which is well known in the art, and a detailed description thereof will be omitted.

Therefore, there is an effect of preventing the engagement of the coupling elements, which are the coupling of the structural frame 30 and the sound-absorbing panel 20, with each other due to the shaking or vibration, and the structure frame 30 of the completed sound-absorbing structure and the sound- The fixing bolt 521 can be moved by holding only the fixing lever 510 after the nut 528 is fixed using a tool such as an extension or the like when the coupling bolt 521 is re- There is an extremely easy effect of attaching and detaching between the sound-absorbing panel 20.

2 to 5 and FIGS. 7 to 8, it can be seen that a plurality of coupling holes 29 are provided on the entire outer surface of the sound-absorbing panel 20. FIG.

The above-mentioned coupling holes 29 are provided not only to connect individual members of the sound-absorbing structure but also to easily engage with the partition walls through the coupling means when applying the partition walls. It is possible to increase the coupling property of each individual.

Further, it is preferable to further include a concave step 39 on the front surface of the frame 30.

The concave step 39 described above is characterized in that the rear surface of the structure frame 30 is convex relative to the front surface, thereby providing a space in which the fixing lever 510 can be housed.

The contents of the above-mentioned design can be desirably protected by being described in the appropriately defined utility model claim, but the scope of the design can be easily made to the extent that a person skilled in the art can carry out the design from the point of the technology.

20: sound-absorbing panel 21:
29: joint ball 30: structure frame
31: long hole 39:
41: truss 200: primary absorbing wool
300: second sound absorbing wool 400: inclined material
410: crossing part 411: crossing member
500: Binding vise 510: Fixing lever
521: fastening bolt 528: nut
529: Washer

Claims

A sound absorbing panel 20 provided with a plurality of engagement holes 29 on the front surface of the outer surface,
A first sound absorbing wool 200 provided on a rear surface of the sound absorbing panel 20,
A structure frame 30 having the sound-absorbing panel 20 on its front surface,
A second sound absorbing wool 300 provided on the inner surface of the frame 30,
Wherein a long hole (31) is formed in the rear surface of the inner circumferential surface of the structure frame (30)
A plurality of fastening vies 500 having fixing levers 510 on the front surface thereof are provided on one side of the structure frame 30 so that the side walls of the sound-absorbing panel 20 and the structure frame 30 are tightly coupled,
Wherein a recessed step (39) is provided on a front surface of the structural frame (30) to provide a space in which the fixed lever (510) can be housed.

The method according to claim 1,
Wherein the first sound absorbing wool (200) is made of a nonwoven fabric, a sponge, a felt, and a microfiber, and the second sound absorbing wool (300) is made of glass wool.

delete

The method according to claim 1,
A fixing bolt 521 is provided on a corresponding one side of the fixing vise 500 provided with the fixing lever 510,
Wherein the fastening bolt (521) is engaged with the structure frame (30) and the sound absorbing panel (20) by a nut (528) and a washer (529) as coupling means.

delete

The method according to claim 1,
Wherein the structure frame (30) is provided in a chain-like shape at the rear side.

The method according to claim 1,
A truss (41) is provided at each corner of the inner peripheral surface of the sound-absorbing panel (20)
The inclined member 400 is provided in a direction corresponding to each other of the trusses 41,
When the slope members 400 are provided in plural numbers instead of a single number, an intersection part 410 capable of coupling the center ends of the slope member 400 through the cross member 411 is formed on the slope member 400 Wherein the sound absorbing structure is provided at the center end.