KR100746353B1 - Dampproof speaker assembly - Google Patents

Abstract

A damp-proof speaker assembly is provided to prevent a support panel from being shaken due to vibration in replaying a sound by forming a fixing unit on the end of an elastic hook. A damp-proof speaker assembly includes a support unit(10), a cabinet(20), a mesh cover(35), an elastic hook(40), a base(31), and a cap(33). The support unit(10) is composed of individual speakers(11A,11B) and a support panel(13) where the individual speakers(11A,11B) are fixed. Surfaces of the support panel(13) and a diaphragm of the respective speakers(11A,11B) are coated with a desiccant. A guide unit(21) coupled with the support panel(13) is formed on the surface of both sides of the cabinet(20). The mesh cover(35) covers the surface of the cabinet(20). The elastic hook(40) is coupled with a back surface of the mesh cover(35) to fix the mesh cover(35) and hangs on a fixing flange positioned at the front of the guide unit(21) and formed on both side walls of the cabinet(20) with one touch method. The base(31) covers a lower part of the cabinet(20). The cap(33) covers an upper part of the cabinet(20).

Description

Damp-proof speaker assembly {DAMPPROOF SPEAKER ASSEMBLY}

1 is an exploded perspective view of a moisture-proof speaker assembly according to the present invention,

2 is a schematic partial exploded top view of a moisture-proof speaker assembly in accordance with the present invention;

FIG. 3 is a conceptual view of an elastic hook constituting the core of the present invention,

4 is a plan view showing a process of joining the mesh cover to the cabinet,

FIG. 5 is an exploded perspective view schematically showing an SR speaker to which a moisture-proof speaker concept according to the present invention is applied.

Description of the Related Art

A: moisture-proof speaker assembly 10: support unit

11A, 11B: Individual speaker 13: Support panel

20: cabinet 21: guide portion

23: Fixing flange 25: Supporting flange

27: engaging projection 28: connector

31: base 33: cap

31A, 33A: outer sleeve 31B, 33B: inner sleeve

35: mesh cover 35A: filter

40: elastic hook 41:

43: connection part 45: support part

47: tight contact portion 51:

51A: contact supporting portion 51B: elastic portion

53: packing member 53A: packing bar

53B: support bar

The present invention relates to a moisture-proof speaker assembly suitable for installation in a high-humidity place such as an outdoor or indoor pool,

In particular, since the entire surface including the diaphragm is coated with a coating agent such as silicone resin or polyurea resin in individual speakers,

In addition, in order to prevent moisture from penetrating into the cabinet, seals are provided on the surfaces of the components such as the base and the cap,

Among other things, there is provided an elastic hook which serves to combine the front mesh cover with the cabinet in a one-touch manner without a clearance,

The packing member pressed by the elastic hook can seal the interface of the front ribs constituting the support panel and the cabinet guiding portion, so that the support panel with the individual speaker fixed can be easily assembled to the cabinet, To a moisture-proof speaker assembly.

Outdoor speakers such as outdoor playgrounds and outdoor theaters that are constantly exposed to snow, indoor or outdoor swimming pools, ice skating stadiums, large-sized sauna facilities, or other indoor or outdoor speakers are essential for product durability.

In the related art related to speaker dehumidification, there is a utility model registration No. 0031052 (May 30, 1986) " moisture-proof colum speaker ", which is located on the front surface of the housing, And covering the diaphragm of the cone speaker with a waterproof latex layer.

In addition, there is a "speaker waterproofing device" of Utility Model Registration No. 0414186 (Apr. 4, 2006). The registered utility model proposes a technique of introducing a waterproof membrane that vibrates by a sound wave to the front of a speaker, have.

However, these prior arts do not disclose a sealing method for a gap portion between the respective parts, so that the waterproof and moisture proof effect is insufficient,

In addition, the waterproof membrane of the utility model registration No. 0414186 is fixed to the housing speaker hole through the waterproof ring, but it can not be pressed by the waterproof membrane with softness, It is possible.

The present invention has been proposed in order to improve waterproofing and moisture-proofing performance of a conventional speaker and to greatly improve the assemblability of each component.

Accordingly, the present invention provides a moisture-proof coating by applying a diaphragm of an individual speaker and a front surface of a supporting panel on which a speaker is fixed with a known moisture-proof coating agent, introducing a seal into a contact surface of each component including a cabinet, And an elastic hook for fixing the mesh cover in one-touch manner is introduced.

Further, in order to enhance the easiness of assembling the mesh cover due to the elastic hook and at the same time to satisfy the moisture-proof effect,

The distance between the guide portions of the cabinet for the support panel constituting the support unit for individual speakers is larger than the thickness of the support panel,

And that the fixing and moisture-proofing of the support panel are made by packing members pressed by the elastic hooks.

Further, according to the present invention, since the tight fitting portion is bent at the end of the elastic hook, the folded length of the elastic hook is longer than the folded length of the elastic hook in the assembling process, thereby eliminating the clearance, The present invention provides a moisture-proof speaker assembly in which a phenomenon in which the support panel vibrates due to vibration is eliminated.

According to an aspect of the present invention, there is provided a moisture-proof speaker assembly,

A supporting unit having a speaker and a supporting panel on which the individual speaker is fixed, and a diaphragm of the individual speaker and a front surface of the supporting panel,

A cabinet in which a guide unit in which the support unit is slidably engaged is formed on both side walls;

A mesh cover covering a front surface of the cabinet;

An elastic hook coupled to a rear surface of the mesh cover for fixing the mesh cover, and formed on both side walls of the cabinet and engaged with the fixing flange located at the front of the guide unit in one touch manner;

A base for covering a lower portion of the cabinet; And

A cap covering an upper portion of the cabinet;

.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals and digits of the tens and the digits of the digits, the digits of the digits, the digits of the digits and the alphabets are the same, A member referred to by a reference numeral may be identified as a member corresponding to such a reference.

In describing the moisture-proof speaker assembly (A) according to the present invention, when the direction reference is specified with reference to FIG. 1,

The rectangular mesh cover (35) provided on one side of the cabinet (20) having a substantially rectangular parallelepiped shape and having three consecutive sides thereof is defined forward and the opposite direction is defined rearward,

The side of the base 31 provided with the volume reduction switch SW is defined as the lower side and the side of the cap 33 opposite thereto is defined as the upper side.

In the moisture-proof speaker assembly according to the present invention, the cabinet may be made of a metal material such as wood (wood, wood, plywood, etc.), synthetic resin or aluminum depending on the type of the speaker,

1 and 2 are typical column speaker assemblies,

The cabinet 20 may be made of a metal material, in particular, a nonferrous metal (aluminum or the like), or may be made of powder coated material for the purpose of moisture proofing perfection.

In the side wall of the cabinet 20, a coupling protrusion 27, to which a bolt can be screwed for fixing the base 31 and the cap 33, respectively, is formed over the entire cabinet, .

The cabinet 30 is also provided with a pair of ribs 21a and 21b which are biased toward the front part and constitute the guide part 21 on both side walls in the longitudinal direction,

A fixing flange 25 and a support flange 25 are formed in this order in front of the guide portion 21,

A cable input hole 20a is formed in the rear of the cabinet 30. [

The concept of the moisture-proof speaker assembly according to the present invention described below is applicable to various types of speakers, for example, speakers having various types and outputs such as SR (surround right) or SL (surround left) Lt; / RTI >

The support unit 10 including the support panel 13 to which the upper and lower cone type loudspeakers 11A and 11B are fixed is connected to the diaphragm 11a of the loudspeaker 11a (typically represented as 'cone paper' And a moisture-proof coating layer (C) formed by spraying a known silicone resin polyurea resin or the like on the front surface of the vibration damping coating layer (13). (In particular, for the vibration damping property of the speaker, Lt; / RTI >

When the support panel 13 is made of synthetic resin, it is unnecessary to apply a moisture-proof coating layer. However, in the case of a low-power speaker, a medium density fiber board (MDF) or a particle board (PB)

The support panel 13 of the support unit 10 is slidably coupled to the guide unit 21 of the cabinet 20,

The gap between the front and rear ribs 21a and 21b of the guide portion 21 is slightly larger than the thickness of the support panel 13,

The fixing of the support panel is performed by rearward pressing by the rear end of the elastic hook 40 described later.

A cable W for the individual speakers 11A and 11B of the support unit 10 extends to the outside via the rear upper insertion hole 20a of the cabinet 20,

The input hole 20a is provided with a connector 28 to realize fixed protection and moisture-proof property of the cable,

The connector 28 includes a main body 28A, a nut 28B for fixing the main body to the charging hole 20a, and an incision deforming portion 28a which is repeatedly torn at the rear end of the main body 28A and can be contracted And a lid 28C screwed together so as to realize the moisture-proof property.

On the other hand, a buffer member (not shown) such as a sponge or a cotton is filled in the cabinet 20.

Next, the elastic hook 40, which is a key component for improving the moisture-proof property and the assemblability in the moisture-proof speaker assembly A according to the present invention,

A connecting portion 43 connected to the joint portion and bent backward, a supporting portion 45 connected to the connecting portion and bent backward forward, And a tight fitting portion 47 bent toward the connection portion 43. [

With reference to Figures 1, 2 and 4, the hooks 40 may be entirely of metal or synthetic material, have elasticity,

In the present invention, in consideration of the ease of coupling between the mesh cover 35 and the mesh cover in which the fiber mesh is fixed to the support frame, a separate relay member is preferably used in consideration of the ease of bonding metal (in particular, stainless steel coated with powder is suitable for corrosion prevention) .

The relay member 51 shown in the figure is formed by taking into consideration that the elastic hook 40 is a steel material (stainless steel for preventing corrosion due to moisture) and the mesh cover 35 is a perforated aluminum material

(Especially stainless steel material) having elasticity for reinforcing the shape retaining force of the mesh cover,

Elastic portions 51B arranged on the mesh cover 35 at equal intervals in the lateral direction and having an arc shape,

And a contact support portion 51A connected to the elastic portions 51B and coupled to both bent portions 35a of the mesh cover 35. [

The elastic hooks 40 are fixed to the contact support portion 51A of the relay member 51 through the joint portion 41 in a state where the elastic hook 40 is integrally formed (when one plate is cut out) , Bolting and the like)

If necessary, the elastic portion may be integrated with the contact support portion, or may be deformed into a continuous shape over the entire length of the mesh cover.

Both ends of the mesh cover 35 are engaged with the forefront support flange 25 of the cabinet 20 so that the mesh cover 35 is prevented from sinking backward.

The support portion 45 of the elastic hook 40, particularly the tight fitting portion 47, is brought into contact with the rear surface of the support flange 25. [

In the present invention, the elastic hook (40) is supported by a support panel (10) supporting panel (13) slidably coupled to the guide part (21) of the cabinet

So as to be in close contact with the rear ribs 21b of the guide portion 21. [

The bending point 44 between the connecting portion 43 and the supporting portion 45 of the elastic hook 40 causes the packing member

The support panel 13 is brought into close contact with the contact surface of the front rib 21a of the guide portion 21 to improve the moisture-

Particularly, the packing member 53 shown in the figure has a supporting bar 53B fastened (welded, riveted or bolted) to the bent apex 44 of the tongue 40 for easy assembly, And a packing bar 53A attached to the back of the support bar (the support bar serves to complement the softness of the packing bar to ensure airtightness).

The packing member 53 has a length equal to the length of the support panel 13.

As described above, the elastic hook 40 has a function of fixing the mesh cover 35 to the cabinet 20 in a one-touch manner, a function of pressing and fixing the support panel 13 backward, 53 to maintain the airtightness between the guide part 21 of the cabinet 20 and the support panel 13,

The most important feature of the elastic hook function is that the elastic hooks 40 coupled to the cabinet have no clearance and must be joined together without shaking.

As shown in FIGS. 3 and 4,

When the case with and without the tight fitting part 47 bent from the end of the supporting part 45 toward the connecting part 43 is compared with each other,

A straight line length from the bending vertex 44 to the tightly fixed portion 47 is set such that the support portion 45 is located toward the connection portion 43 The length of the straight line is substantially the same as that of the maximum compressed case, but more precisely the length is longer by the length < RTI ID = 0.0 >

The straight length from the end of the support portion 45 of the elastic hook 140 to the bending point 144 is shorter than the length of the support portion 145 when the support portion 145 is compressed to the maximum, Lt; 2 >.

3 and 4, when the mesh cover 35 is coupled to the cabinet 20, the elastic hook 40 having the tightly fixed portion 47

The fixing flange 23 of the cabinet 20 and the elastic hook supporter 45 are in contact with each other and are compressed toward the connection portion 43

The tight fitting part 47 is positioned on the rear surface of the fixing flange 23 as the supporting part 45 is unfolded as the end of the tight fitting part 47 moves away from the fixing flange 23,

The length of the straight line extending from the bending apex 44 to the tightly fixed portion 47 is increased by a distance of? 1, so that the rearward contact of the support panel 13 and the close contact of the packing bar 53A Function can be perfected.

Further, the function of the elastic hook 40 is such that the packing bar 53A can expand and shrink due to a specific material characteristic,

When the support 45 of the elastic hook 40 and the tightly fitting part 47 are out of the fixing flange 23 of the cabinet 20, the packing bar 53A is excessively contracted

After the supporting portion 45 is unfolded, the packing bar is expanded

(The straight distance from the tightly fixed portion 47 of the elastic hook 40 to the bent apex 44 + the dimension corresponding to the thickness of the packing member 53) A straight line distance to the support panel 13 which is in close contact with the rear rib 21b of the cabinet guide portion].

If the elastic hook 140 shown in FIG. 3 (B) is used, if only the thickness and the elastic characteristics of the packing bar 53A of the packing member 53 are suitably ensured, It is possible to ensure a function that is not different from the elastic hook 40 of the elastic hook 40.

As described above, in the moisture-proof speaker assembly A according to the present invention, the support unit 10, the cabinet 20, the mesh cover 35 (the rear surface of the mesh cover is provided with a filter 35A for preventing foreign matter from entering) In a state where the elastic hook 40, the relay member 51, and the packing member 53 are engaged

Cap 33 and base 31 are coupled to upper and lower portions of cabinet 20,

The base (31) and the cap (33)

An outer sleeve 31A (33A) having a seal (S1) is formed on the outer surface of the cabinet (20)

Inner sleeves 31B and 33B which surround the upper and lower outer surfaces of the support panel 13 and also have seals S2 are formed.

Furthermore, reinforcement rods (R) for slimming and reinforcement are formed on the inner surfaces of the base (31) and the cap (33)

A fixing rib 33C is further formed in front of the inner sleeve during the reinforcement,

The upper and lower ends of the mesh cover 35 are supported between the fixed ribs and the outer sleeves 31A and 33A.

The base 31 and the cap 33 are respectively connected to the coupling protrusions 27 of the cabinet 20 through bolts 33b (stainless steel material) through the insertion holes 32a, A packing ring 32c is fitted in the bolt 32b (preferably stainless steel for corrosion prevention).

Furthermore, in the base 31 and the cap 33, the moisture-proof speaker assembly A of the present invention may be attached to a ceiling, a wall, or a post for a telegraph or street light, (31D) and (33D) are formed.

The SR speaker assembly A shown schematically in FIG. 5 also has two separate speakers 111A and 111B on its upper and lower support panels 113, similar to the column speakers shown in FIG. 1, The coating layer is applied by spraying,

A relay member 51 (flat plate shape not arc-shaped) for coupling the mesh cover 135 and the elastic hook 140,

On the rear surface of the cabinet 120, two members F2 and F1 for providing a cable insertion space are arranged inside and outside the cabinet rear plate, and are screwed to each other.

As described above, the moisture-proof speaker assembly according to the present invention is formed by applying a diaphragm of an individual speaker and a front surface of a supporting panel on which a speaker is fixed by a known moisture-proof coating agent to realize moisture- In addition, in order to enhance the ease of assembly of the mesh cover due to the elastic hook and at the same time to satisfy the moisture-proof effect, a separate speaker The space between the guide portions of the cabinet for the support panel constituting the support unit is made larger than the thickness of the support panel so that the slide connection can be easily performed. Further, the elastic hook end And the folded length of the elastic hook is made longer than the folded length of the elastic hook in the assembling process. Thus, the support panel can be more reliably absorbed by the vibration- The phenomenon of trembling can be eliminated.

In the above description, conventionally known techniques relating to the kind of the moisture-proof coating agent for the moisture-proof speaker, the spray application method, the volume reduction switch, the kind of the speaker, and the like are omitted, but those skilled in the art will naturally guess and deduce it.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Should be interpreted as belonging to the scope.

Claims (7)

A supporting unit having a speaker and a supporting panel on which the individual speaker is fixed, and a diaphragm of the individual speaker and a front surface of the supporting panel, A cabinet in which a guide unit in which the support unit is slidably engaged is formed on both side walls; A mesh cover covering a front surface of the cabinet; An elastic hook coupled to a rear surface of the mesh cover for fixing the mesh cover, and formed on both side walls of the cabinet and engaged with the fixing flange located at the front of the guide unit in one touch manner; A base for covering a lower portion of the cabinet; And A cap covering an upper portion of the cabinet; The speaker assembly comprising: The method according to claim 1, Wherein a distance between the guide portions is larger than a thickness of a support panel of the support unit, And the support panel is pressed backward by the rear end of the elastic hook. 3. The method of claim 2, And a packing member pressed by the rear end of the elastic hook is provided on the surface of the support panel and the surface of the guide rib. 4. The absorbent article according to any one of claims 1 to 3, Wherein the mesh cover includes a mesh cover joint, a connection part connected to the joint part and bent backward, and a support part connected to the connection part and bent forward. 5. The method of claim 4, Wherein the elastic hook is connected to the support portion and further has a tightly fixed portion bent toward the connection portion. 4. A method according to any one of claims 1 to 3, wherein the base and the cap An outer sleeve surrounding the cabinet and having a seal on a contact surface with the cabinet is formed, And an inner sleeve surrounding the upper surface and the outer surface of the lower surface of the support unit support panel and provided with a seal. 7. The apparatus of claim 6, wherein the base and the cap There is further formed a fixed rib, And the upper and lower ends of the mesh cover are supported between the fixed rib and the outer sleeve.

Images