KR20060016944A - Speaker mounting structure of video display device - Google Patents

Abstract

The present invention relates to an image display device, and more particularly, to a mounting structure of a speaker which is coupled to the side of an image display device such as a TV and outputs an audio signal.

The present invention is coupled to the front cabinet constituting the front appearance of the image display apparatus, the rear cabinet coupled to the front cabinet to form the rear appearance of the image display apparatus, and coupled to the inner side of both sides of the front cabinet to output sound and In the image display device comprising a speaker formed with a plurality of coupling holes for coupling with the cabinet, On the inner surface of the front cabinet to which the speaker is coupled, a predetermined length extending rearward at a position corresponding to the coupling hole of the speaker The fixed pin is formed, and coupled to each coupling hole of the speaker, the outer diameter is larger than the diameter of the coupling hole, the coupling groove is formed along the outer peripheral surface is formed in the inner circumferential surface to be fastened to the coupling hole, the fixing pin is Slip of the image display device comprising a dust-proof bushing is formed in the center of the insertion hole is pressed Provide picker mounting structure.

Therefore, according to the present invention, degradation of sound quality and generation of noise due to vibration of the speaker are prevented.

Video display, speaker, vibration

Description

Mounting structure for speaker in video display device}

1 is a block diagram showing a speaker mounting structure of a conventional video display device

2 is a cross-sectional view illustrating main parts of a front cabinet and a rear cabinet to which a speaker mounting structure of the image display device of the present invention is applied;

Figure 3 is a perspective view showing a dustproof bushing of the speaker mounting structure of the video display device of the present invention.

Figure 4 is a cross-sectional view showing a dustproof bushing and a fixing pin of another embodiment of the speaker mounting structure of the image display device of the present invention.

5 is a cross-sectional view showing a dustproof bushing and a fixing pin of another embodiment of a speaker mounting structure of an image display device of the present invention.

* Explanation of Signs of Major Parts of Drawings

110: front cabinet 112: fixed pin

120: speaker 122: coupling hole

130: dustproof bushing 132: insertion hole

134: coupling groove 150: rear cabinet

152: support rib 154: dustproof member                 

216: fixing groove 236: fixing end

316: fixing protrusion 336: fixing groove

The present invention relates to an image display device, and more particularly, to a mounting structure of a speaker which is coupled to the side of an image display device such as a TV and outputs an audio signal.

In general, a video display device such as a TV has a built-in speaker for outputting sound, such a speaker is fixed to the inside of the front cover of both sides of the CRT or the liquid crystal panel is to output the sound forward.

1 is a view showing a speaker mounting structure of the conventional video display device.

The speaker 20 is coupled to the left and right sides of the front cabinet 10 forming the front appearance of the image display device, and more specifically, to inner surfaces of both sides deviating from the cathode ray tube 5 or the liquid crystal panel 5.

At this time, each of the corners of the speaker 20 is formed with a coupling hole 22 for coupling with the front cabinet 10, the inner surface of the front cabinet 10 to which the speaker 20 is coupled A fastening boss 13 for screwing is formed at a position corresponding to the coupling hole 22 of the speaker 20.

Accordingly, the speaker 20 is fastened and fixed through the screw 24 after the coupling hole 22 is fitted to the fastening boss 13.                         

At this time, in order to prevent noise from occurring due to loosening of the screw 24 or vibration, a dustproof washer 25 of rubber material is provided between the bottom of the screw head of the screw 24 and the coupling hole 22. It is provided.

In addition, a plurality of holes 11 are formed in the front cabinet 10 connected to the front surface of the speaker 20 so that the sound output from the speaker 20 can be well propagated to the outside.

However, the speaker mounting structure of the conventional video display device as described above has the following problems.

First, since the speaker and the front cabinet are fastened by screws, when the fastening force of the screw is weakened due to external shock or vibration, the speaker is shaken by vibration generated when the speaker is driven, even when there is a dust washer. There is a problem that the sound quality that the user listens to may be degraded, as well as noise due to vibration.

Second, since the screw fastening method is used for fixing the speaker, when the worker fixes the speaker, the screw has to be tightened for each coupling hole formed near each corner of the speaker, which causes a long work time. .

The present invention is to solve the above problems, it is an object of the present invention to provide a speaker mounting structure of the image display device that the sound quality is not degraded or noise due to the vibration of the speaker.                         

In addition, another object of the present invention is to provide a speaker mounting structure of the image display device is simple assembly of the speaker.

In order to achieve the above object, the present invention, a front cabinet constituting the front appearance of the image display device, a rear cabinet coupled to the front cabinet to form a rear view of the image display device, and the inner surface of both sides of the front cabinet In the video display device comprising a speaker coupled to the output sound and formed with a plurality of coupling holes for coupling with the front cabinet,

A fixing pin formed at an inner side surface of the front cabinet to which the speaker is coupled to extend a predetermined length rearward at a position corresponding to the coupling hole of the speaker, coupled to each coupling hole of the speaker, and an outer diameter of the coupling hole The speaker mounting structure of the image display device includes a dustproof bushing having a diameter larger than the diameter and having a coupling groove formed inwardly so as to be coupled to the coupling hole and having an insertion hole into which the fixing pin is pressed. to provide.

Therefore, according to the present invention, the sound quality is prevented from being lowered or the noise is generated due to the vibration of the speaker, and it is possible to improve the workability since the fixing is simple.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described.

In addition, the same components as in the prior art are given the same names and the same reference numerals for convenience of description, and detailed description thereof will be omitted.                     

2 is a view showing the main part of a preferred embodiment of the speaker mounting structure of the video display device of the present invention.

First, the front cabinet 110 forming the front exterior of the image display apparatus, the rear cabinet 150 coupled to the rear cabinet 150, and the inner side of the front cabinet 110 are coupled to the image display apparatus of the present invention. A speaker 120 for outputting sound is provided.

Here, the coupling hole 122 for coupling with the inner surface of the front cabinet 110 is formed in the speaker 120, the coupling hole 122 is each corner of the speaker 120 It is preferable to form in a part.

In addition, the front cabinet 110 is provided with a fixing block 111 protruding inward at a position corresponding to each coupling hole 122 of the speaker 120, the fixing pin on the rear side of the fixing block 111 112 is formed extending a predetermined length inward.

At this time, the fixing pin 112 may be formed to be tapered so that the diameter of the fixing pin 112 becomes smaller toward the inner end.

In addition, a dustproof bushing 130 is inserted into and coupled to each coupling hole 122 of the speaker 120.

Here, the anti-vibration bushing 130 has a height greater than the depth of the coupling hole 122 is preferably inserted into the coupling hole 122 and protrudes to the front and rear of the coupling hole 122. .

In addition, the anti-vibration bushing 130 has an insertion hole 132 communicating from one surface to the other surface in the same direction as the coupling hole 122 so that the fixing pin 112 is inserted therein.                     

At this time, the diameter of the insertion hole 132 is preferably formed to be the same or slightly smaller than the diameter of the fixing pin 112 so that the fixing pin 112 can be pressed.

In addition, the outer diameter of the dustproof bushing 130 is somewhat larger than the diameter of the coupling hole 122 into which the dustproof bushing 130 is inserted, and the portion that is coupled to the coupling hole 122 of the dustproof bushing 130 is shown in FIG. 3. As shown in, it is preferable that the coupling groove 134 is formed in the inner peripheral surface along the outer peripheral surface so as to have a diameter equal to the diameter of the coupling hole 122.

Here, the material of the anti-vibration bushing 130 is preferably made of a material such as rubber having elasticity, but is not necessarily limited thereto, and absorbs vibrations of the speaker 120 and may press-fit the fixing pin 112. Any material can be applied.

In addition, the place where the fixing pin 112 is inserted may be formed as an insertion hole 132 communicated from one surface to the other surface, a hole is formed in one surface and the other surface may be formed as a blocked insertion groove (not shown). have.

When the rear cabinet 150 and the front cabinet 110 are coupled to each other, the rear cabinet 150 is connected to the rear side of the speaker 120 coupled to the front cabinet 110 so that the speaker 120 is not detached to the rear side. Preferably, the support rib 152 is integrally formed to protrude toward the front surface from the inner surface of the rear cabinet 150.

In addition, between the rear side of the speaker 120 and the support ribs 152 connected thereto, it is preferable to further include a dustproof member 154 for absorbing vibration of the speaker 120 to prevent noise.

The anti-vibration member 154 is preferably made of sponge or rubber, but is not limited thereto, and may be made of any other material as long as it is a material capable of absorbing vibrations of the speaker 120 transmitted to the support ribs 152. It's okay.

The speaker of the image display device of the present invention configured as described above is assembled as follows.

First, a dustproof bushing 130 is coupled to each coupling hole 122 of the speaker 120. At this time, since the coupling groove 134 formed on the outer circumferential surface of the dustproof bushing 130 is coupled to be located in the coupling hole 122, the vibrationproof bushing 130 is prevented from being removed by vibration.

In addition, the insertion hole 132 formed in the anti-vibration bushing 130 coupled to the speaker 120 is inserted into the fixing pin 112 formed on the inner side of the front cabinet 110, so that the speaker 120 has the front. Is coupled to the inner side of the cabinet 110

At this time, the anti-vibration bushing 130 is elastic and the diameter of the insertion hole 132 is smaller than or equal to the fixing pin 112, the fixing pin 112 is pressed in the insertion hole 132 Therefore, the speaker 120 is not easily removed from the front cabinet 110.

In addition, when the fixing pin 112 is tapered, the pressing pin 112 and the dustproof bushing 130 may be more easily press-fitted.

Here, the anti-vibration bushing 130 is located between the speaker 120 and the fixing pin 112, the coupling groove 134 of the speaker 120 is inwardly connected to the outer circumferential surface of the anti-vibration bushing 130. Since the dust coupling bushing 130 is coupled to the binary coupling groove 134, it is possible to absorb all the vertical vibration of the speaker 120.                     

In addition, when the rear cabinet 150 is coupled to the rear of the front cabinet 110 to which the speaker 120 is coupled, the support ribs 152 formed on the rear cabinet 150 are connected to the rear side of the speaker 120. To support the speaker 120 to prevent the speaker 120 from being removed to the rear side.

In addition, since the dustproof member 154 is provided between the support rib 152 and the rear side surface of the speaker 120 to absorb the vibration of the speaker 120 transmitted to the support rib 152, the speaker 120 And noise are prevented between the support ribs 152 and the support ribs 152.

In the above-described embodiment, the fixing pin is pressed into the insertion hole of the anti-vibration bushing to fix the speaker to the front cabinet. By forming irregularities on the side, the dustproof bushing and the fixing pin can be more strongly combined.

Hereinafter, another embodiment of the present invention will be described in detail with reference to the accompanying drawings.

4 is a cross-sectional view illustrating a dustproof bushing and a fixing pin according to another embodiment of a speaker mounting structure of an image display device of the present invention.

First, a fixed end 236 protruded along an inner circumferential surface of the insertion hole 232 of the anti-vibration bushing 230 is formed integrally with the anti-vibration bushing 230.

In addition, when the dustproof bushing 230 is coupled to the fixing pin 212, the fixing pin 212 is disposed along the outer circumferential surface at a position corresponding to the fixing end 236 to accommodate the fixing end 236. The fixing groove 216 is formed inwardly.                     

The fixed end 236 and the fixing groove 216 is the insertion hole 232 fixed end 236 at the front end so that the coupling is made when the dust-proof bushing 230 is completed to the fixing pin 212 ) Is formed, and the fixing groove 216 is preferably formed at the front end of the corresponding fixing pin 212, that is, at the boundary with the fixing block 111 (see FIG. 2), but is not necessarily limited thereto. If not necessary, a plurality may be formed respectively.

Therefore, when the insertion hole 232 of the dustproof bushing 230 is fitted to the fixing pin 212, the fixing end 236 is inserted into the fixing groove 216, thereby fixing the dustproof bushing 230. The engagement of the pins 212 becomes stronger.

And, unlike the above, the fixing end is formed so as to protrude along the outer peripheral surface of the fixing pin, the fixing groove may be formed to be concave end along the inner peripheral surface of the inner surface of the insertion hole of the dustproof bushing. have.

Further, according to another embodiment of the present invention, as described above, the fixing end and the fixing groove are not formed along the outer circumferential surfaces of the insertion hole and the fixing pin, and the fixing protrusion and the corresponding fixing groove are fixed to the insertion hole and the fixing hole. It can also be formed on the pin.

In addition, other components that are not described in the other embodiments of the present invention are the same as the above-described embodiment will be omitted.

5 is a view showing another embodiment of the speaker mounting structure of the image display device of the present invention described above.

First, a fixing protrusion 316 is formed on the surface of the fixing pin 312 to protrude outward.                     

When the fixing pin 312 and the dustproof bushing 330 are coupled to the inner surface of the insertion hole 332 to the dustproof bushing 330 that is coupled to the fixing pin 312, the fixing protrusion 316 is provided. Fixing grooves 336 are formed concave to accommodate the fixing projections 316 in a position corresponding to the.

The fixing protrusion 316 and the fixing groove 336 is preferably formed in a hemispherical shape for easy coupling of the fixing pin 312 and the dustproof bushing 330, but is not necessarily limited thereto, the fixing protrusion as necessary A plurality of 316 and the fixing groove 336 may be formed respectively.

Therefore, when the insertion hole 332 of the anti-vibration bushing 330 is fitted to the fixing pin 312, the fixing protrusion 316 is accommodated in the fixing groove 336, thereby fixing the anti-vibration bushing 330. The engagement of the pins 312 becomes stronger.

And, unlike the above, the fixing projections are formed to protrude on the inner surface of the insertion hole of the dustproof bushing, the fixing groove may be formed on the surface of the fixing pin.

In addition, other components that are not described in the other embodiments of the present invention are the same as the above-described embodiment will be omitted.

The effect of the speaker mounting structure of the image display device according to the present invention described above is as follows.

First, according to the present invention, since vibration in all directions generated by the speaker is absorbed by the dustproof bushing, the sound quality is not degraded. Also, since the vibration of the speaker is not transmitted to the front cabinet, noise is reduced.

Second, according to the present invention, it is easy to assemble and improve the workability by fitting the fixing pin formed in the front cabinet to the insertion hole formed in the dustproof bushing coupled to the speaker without using screws when assembling the speaker. have.

Third, according to the present invention, since the irregularities are formed at the coupling portion of the dustproof bushing and the fixing pin, there is an effect that the coupling between the speaker and the front cabinet is stronger.

Claims (7)

A front cabinet constituting the front exterior of the image display apparatus, a rear cabinet coupled to the front cabinet to form a rear exterior of the image display apparatus, and coupled to inner surfaces of both sides of the front cabinet to output sound, In the image display device comprising a speaker having a plurality of coupling holes for coupling, A fixing pin formed at an inner side surface of the front cabinet to which the speaker is coupled to extend a predetermined length rearward at a position corresponding to the coupling hole of the speaker; It is coupled to each coupling hole of the speaker, the outer diameter is larger than the diameter of the coupling hole, the coupling groove is formed along the outer circumferential surface is formed in the inner circumferential surface to be fastened to the coupling hole, the insertion pin is pressed into the center portion Speaker mounting structure of a video display device comprising a dust-proof bushing is formed. The method of claim 1, Speaker mounting structure of the image display device, characterized in that the material of the dust-proof bushing. The method of claim 1, It is formed integrally to extend forward from the inner side of the rear cabinet, when the front cabinet and the rear cabinet is coupled, the support ribs are connected to the rear side of the speaker to support the speaker further comprises a Speaker mounting structure of video display device. The method of claim 3, wherein And a dustproof member provided between the support rib and the rear surface of the speaker to prevent noise generated by vibration of the support rib and the speaker. The method of claim 1, The fixing pin is a speaker mounting structure of the video display device, characterized in that tapered so that the diameter becomes smaller toward the end. The method of claim 1, At least one fixed end formed to protrude inward along an inner circumferential surface of the insertion hole of the dustproof bushing; The speaker mounting structure of the video display device, characterized in that it is formed to be stepped inward along the outer circumferential surface of the fixing pin, the fixing groove for accommodating the fixing end when the dustproof bushing and the fixing pin is coupled. The method of claim 1, At least one fixing protrusion formed on the surface of the fixing pin to protrude outward; The inner surface of the insertion hole of the anti-vibration bushing is formed concave in a shape corresponding to the fixing projections, when the dust-proof bushing and the fixing pin is coupled, characterized in that it further comprises a fixing groove for receiving the fixing projections Speaker mounting structure of video display device.

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