JP3063503U - Speaker unit for portable computer - Google Patents

Abstract

(57) [Problem] To provide a speaker unit for a portable computer which can be installed in a portable computer without having to expand a speaker installation space and obtains an excellent resonance effect on output sound. SOLUTION: The speaker unit (2) includes a speaker (22) and a speaker box which are in contact with each other, and the speaker box is formed so as to be extendable and contractable in a portable computer when the speaker (22) is not used. In use, when the speaker (22) is moved outward from the portable computer, the speaker box is simultaneously extended, thereby expanding the internal space of the speaker box and obtaining a resonance effect on the output sound of the speaker (22). .

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a speaker unit, and particularly to a speaker unit for a portable computer.

[0002]

[Prior art]

 In recent years, portable computers have been demanded to be lighter, thinner and smaller, and at the same time, high quality audio effects of multimedia have also been demanded by consumers. Is determined by the baffle effect. However, regarding a portable computer, it is often not allowed to accommodate a speaker unit in a large speaker box due to a volume limitation. Therefore, a conventional built-in type portable computer speaker unit usually has the following configuration. There are such disadvantages. 1. Since there is no speaker box, a baffle effect with a sufficient acoustic distance from the speaker diaphragm cannot be secured, and the sound output is monotonous and lacks the resonance effect. 2. If a speaker box is installed to obtain a relatively favorable baffle effect, the volume of the portable computer will increase accordingly.

[0003]

[Problems to be solved by the invention]

 In view of the above-described problems of the conventional portable computer speakers, the present invention provides a portable computer speaker that can be built into a portable computer without having to expand the speaker installation space and that can secure a sufficient acoustic distance to the speaker diaphragm. The purpose is to provide a unit.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a portable computer speaker in which a speaker box is provided in an opening provided in a computer housing and a speaker is attached to the speaker box. When the speaker box is pushed inward, the speaker is stored inside the opening of the housing, and when the speaker is pulled out from the opening of the housing, the speaker box is extended, and the speaker box is extended. It is configured to increase the acoustic distance of the peaker box.

The speaker box is formed of a hollow bellows body, one end of which is connected to the periphery of the speaker, and the other end is fixed in an opening of the housing to form a closed space, or A frame body for accommodating the speaker is further provided between the speaker and the speaker box, or the bellows body is formed in a square cylindrical shape, a circular cylindrical shape, or a polygonal cylindrical shape, or The speaker box has at least one or more nested frames, and the periphery of the loudspeaker is connected to the least of the frames, and the largest frame is fixed in the opening of the housing to form a closed space. It is more preferable to connect the frames so that they can slide forward.

In the present invention configured as described above, since the speaker box is provided so as to be expandable and contractible, when the speaker box is pushed in and contracted, the speakers are aligned with the housing opening. Fits. On the other hand, when the speaker is pulled outward from the housing opening, the speaker box expands and the internal space of the speaker box can be enlarged, thereby securing an acoustic distance to the speaker output and causing resonance. The effect can be obtained.

[0007]

[Embodiment of the invention]

 Hereinafter, the present invention will be specifically described based on embodiments, but the present invention is not limited to only this example. 1 to 3 are partial perspective views of a first preferred embodiment of the present invention. The two telescoping speaker units 2 are respectively mounted in the two speaker built-in cavities 11 formed in the housing of the portable computer, and the speaker built-in cavities 11 have opposing side walls and correspond to each other in a straight line. A pivot contact hole 110 is opened. Each speaker unit 2 includes a speaker mechanism 22 having a plurality of screw holes 220 on the peripheral surface and a speaker box which can be opened and closed, and the speaker box forms a volume variable space and has a speaker mechanism having an upper end. A lower end 22 of the computer housing 1 is fitted into the speaker housing cavity 11 of the computer housing 1. The speaker box extends out of the speaker built-in cavity 11 so as to expand the variable volume space, can move the speaker mechanism 22 outward, and contracts into the speaker built-in cavity 11 to reduce the volume. The speaker mechanism 22 can be accommodated in the speaker built-in cavity 11 by being brought into contact with the variable space.

In the present embodiment, the speaker box includes first and second hollow speaker box frames 20 and 21 having rectangular shapes having different cross sections. The second speaker box frame 21 has a relatively small cross-sectional shape, and the speaker mechanism 22 is screwed into a pivotal contact hole 210 of the second speaker box frame 21 through a screw 23 in a screw hole 220 thereof. In addition, the second speaker box frame 21 can be stored in the first speaker box frame 20, and the first speaker box frame 20 can be stored in the speaker built-in cavity 11. On the front end faces of the first speaker box frame 20 and the second speaker box frame 21, pivot contact holes 200 and 210 corresponding to the pivot contact holes 110 on the front end face of the speaker built-in cavity 11, respectively, are provided. Through the pivot holes 110, 200, and 211, as shown in FIG. When the second speaker box frame 21 is turned outward by hand, the lower end edge of the rear end gradually approaches the rear end face of the first speaker box frame 20, and the first speaker box 20 is rotated. It comes into contact with and contacts the upper edge of the inner rear end surface of the frame body 20. Further, when the second speaker box frame 21 is continuously rotated outward, the first speaker box frame 20 is lifted up, and similarly, the first speaker box frame 20 is moved backward. The lower end edge of the end portion gradually approaches the rear end face inside the speaker built-in cavity 11, and finally comes into tight contact with the upper end edge inside the speaker built-in cavity 11, thereby completing the extension operation of the speaker unit 2. .

Therefore, the remaining speaker box space obtained by subtracting the speaker mechanism 22 from the internal space of the second speaker box frame 21 before the extension is added to the first speaker box frame 20 and the speaker assembly. By enlarging the speaker box space formed by the built-in cavity 11, it is possible to obtain the resonance effect of the speaker box on the output sound of the speaker without increasing the speaker installation space inside the portable computer.

[0010] The first comparatively preferred embodiment is characterized in that the second speaker box frame 21 and the first speaker box frame 20 and the first speaker box frame 20 and the speaker built-in cavity 11 are adhered to each other. The extension operation of the speaker unit 2 is completed by the contact method, but the extension operation of the speaker unit 2 is not limited to this kind of tight contact method.

FIG. 4 is an exploded view of a first modification of the first preferred embodiment of the present invention. Instead of forming the second speaker box frame 21 ', the first speaker box frame 20', and the rear end face of the speaker built-in cavity 11 'with an appropriate arc degree, and making them tightly contact each other, The second speaker box frame 21 'and the first speaker box frame 20' are provided with horizontal recessed grooves 212, 201 at the lower outer edge of the rear end face, respectively, so that the second speaker box frame 21 'is horizontal. The recessed groove 212 is made to engage with the horizontal convex rail 202 on the upper inside edge of the rear end face of the first speaker box frame 20 ′, and the horizontal recessed groove 201 of the first speaker box frame 20 ′ is connected to the speaker. When the second speaker box frame 21 ′ is turned up by hand and rotated so as to be able to engage with the horizontal convex rail 112 at the inner upper edge of the rear end face of the built-in cavity 11 ′, the horizontal recess is formed. After the 212 gradually approaches the horizontal convex rails 202 of the first speaker box frame 20 'and engages with each other, the first speaker box frame 20' is pulled up, and similarly, the first speaker box pulled up The horizontal recess groove 201 of the frame body 20 'gradually approaches the horizontal convex rail 112 of the speaker built-in cavity 11' and engages with each other, whereby the extension operation of the speaker unit 2 'can be completed.

FIG. 5 is a three-dimensional exploded view of a second modification of the first relatively preferred embodiment of the present invention. The second speaker box frame 21 ″ and the first speaker box frame 20 ″ are shown. And the rear end surfaces of the speaker built-in cavities 11 ″ are not formed in an appropriate degree of arc and are not in tight contact with each other, but instead of the second speaker box frame 21 ″ and the first speaker box frame 20 ″. Protruding blocks 213 and 203 are provided on the outer bottom edge of the rear end face, respectively, and the protruding block 213 of the second speaker box frame 21 "is provided inside the rear end face of the first speaker box frame 20". The vertical recess groove 204 provided on the inside of the rear end face of the speaker built-in cavity 11 ″ while engaging the protrusion block 203 of the first speaker box frame 20 ″ with the vertical recess groove 204. 14 and the raised blocks 213 and 203 can be slid in the vertically recessed grooves 204 and 114, respectively, so that the speaker unit 2 "can have an extendable effect.

FIG. 6 is a partial three-dimensional view of the second preferred embodiment of the present invention when the assembly is completed, and FIG. 7 is a vertical sectional side view of FIG. It mainly includes a computer housing 3, a speaker built-in cavity 31 provided in the computer housing 3 having an opening 30, and a speaker unit 4. The speaker unit 4 is pivotally provided at the front end of the speaker built-in cavity 31 to provide a speaker mechanism. And a speaker box 41. The speaker mechanism 40 includes a speaker 400 and a frame 401 surrounding the speaker 400. The speaker box 41 has a bellows body of an appropriate length. It is fixed to the bottom surface of the built-in cavity 31 and the other end opening is fixed to the lower edge of the frame 401 or directly to the periphery of the speaker 400 (not shown) except for the frame 401, and when the bellows is compressed, the volume is reduced. Because it does not occupy much, the internal space is expanded when extended, and the speaker inside the portable computer is expanded. Not increase the inter 置空, it is possible to obtain the resonance effect of the speaker box to the output sound from the spin over mosquito mechanism 40.

The above-mentioned loudspeaker built-in cavities 11, 11 ', 11 ", 31 are used to achieve a sealing effect of the speaker box, and if the bottom is sealed between the adjacent speaker box frames and the bellows body. If there is a wearing effect, the speaker built-in cavities 11, 11 ', 11 ", 31 need not be used. If it is desired to enhance the speaker box resonance effect, a larger number of speaker box frames may be provided in the first comparatively preferred embodiment and the first and second modified examples thereof. In the second relatively preferred embodiment, the bellows may be made longer to increase the acoustic distance.

FIG. 8 is a partial longitudinal sectional side view before extending the speaker mechanism in the third relatively preferred embodiment of the present invention, and FIG. 9 is an enlarged view of the speaker mechanism in the third relatively preferred embodiment. It is a partial longitudinal side view at the time. This embodiment includes a computer housing 5, a speaker built-in cavity 50 having an opening provided in the computer housing 5, at least shoulder portions 51 provided at both insides of the opening of the speaker built-in cavity 50, and a speaker unit 6. The speaker unit 6 includes a speaker 60 and a frame 61 surrounding the speaker 60, and a protrusion 62 and a shoulder which are manually raised at respective upper and lower ends of the frame 61 corresponding to the shoulders 51. The locking portion 63 is provided on the portion 51 so as to stop the contact. By this, if the protrusion portion 62 is pulled out by hand until the locking portion 63 is stopped by the shoulder portion 51 of the computer housing 5, the original frame body can be obtained. The remaining speaker box space obtained by subtracting the speakers 60 from 61 is expanded to the speaker box space in which the speaker built-in cavities 50 are increased. Portable computer there is no need to increase the internal speaker installation space, it is possible to obtain the resonance effect of the speaker box to the output sound from the speaker system.

[0016]

[Effect of the invention]

 As described above, in the present invention, the speaker box is provided so as to be able to expand and contract, so that when the speaker box is pressed and contracted, the speaker can be fixed in the housing opening while the speaker is pulled out from the housing opening. The box can be extended and the internal space of the speaker box can be expanded, and the speaker box output resonance can be obtained in the speaker output sound without increasing the speaker installation space inside the portable computer.

[Brief description of the drawings]

FIG. 1 is a partial perspective view of a first preferred embodiment of the present invention.

FIG. 2 is a three-dimensional exploded view of the speaker unit and the partial computer housing 1 in FIG.

FIG. 3 is an assembled three-dimensional view of FIG. 2;

FIG. 4 illustrates a first embodiment of the first relatively preferred embodiment.
It is a three-dimensional exploded view of the modification of FIG.

FIG. 5 illustrates a second embodiment of the first relatively preferred embodiment.
It is a three-dimensional exploded view of the modification of FIG.

FIG. 6 is a partial perspective view of a second preferred embodiment of the present invention.

FIG. 7 is a vertical sectional side view of FIG. 6;

FIG. 8 is a partial longitudinal side view of the third relatively preferred embodiment of the present invention before the speaker mechanism is extended.

FIG. 9 is a partial longitudinal sectional side view when the speaker mechanism is extended in the third relatively preferred embodiment of the present invention.

[Explanation of symbols]

1,3,5 Computer housing 2,2 ', 2 ", 4,6 Speaker unit 10,30 Opening 12 bolts 11,11', 11", 31,50 Speaker built-in cavity 110,200 Pivot contact hole 112,202 Horizontal convex rail 114,204 Vertical concave groove 201,212 Horizontal concave groove 20,20 ', 20 "First speaker box frame 21,21', 21" Second speaker box frame 203,213 Convex block 22, 400, 60 speaker 40 speaker mechanism 41 speaker box 401, 61 frame body 51 shoulder 62 projecting part 63 locking part

Claims (5)

[Utility model registration claims] 1. A speaker for a portable computer in which a speaker box is provided in an opening provided in a computer housing and a speaker is attached to the speaker box, wherein the speaker box is provided so as to be expandable and contractible. When the speaker is pushed inward, the speaker is housed inside the opening of the housing, and when the speaker is pulled out from the opening of the housing, the speaker box expands to increase the acoustic distance of the speaker box. Speaker unit for a portable computer. 2. The speaker box is formed of a hollow bellows body, one end of which is connected to the periphery of the speaker, and the other end is fixed in an opening of the housing to form a closed space. Item 2. A speaker unit for a portable computer according to item 1. 3. The portable computer speaker unit according to claim 1, further comprising a frame body for accommodating the speaker, between the speaker and the speaker box. 4. The speaker unit for a portable computer according to claim 2, wherein the bellows body is formed in a square tubular shape, a circular tubular shape, or a polygonal tubular shape. 5. The closed space in which the speaker box includes at least one or more nested frame members, and a peripheral frame of the speaker is connected to a minimum of the frame members, and a maximum frame is fixed in an opening of the housing. 3. The speaker unit for a portable computer according to claim 2, wherein each of the frame members is connected so as to slide forward.