JP2007036660A - Loudspeaker box - Google Patents

Loudspeaker box Download PDF

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JP2007036660A
JP2007036660A JP2005216942A JP2005216942A JP2007036660A JP 2007036660 A JP2007036660 A JP 2007036660A JP 2005216942 A JP2005216942 A JP 2005216942A JP 2005216942 A JP2005216942 A JP 2005216942A JP 2007036660 A JP2007036660 A JP 2007036660A
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speaker box
reinforcing member
wall
reinforcing
present
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JP4186966B2 (en
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Shin Ito
伸 伊藤
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Yamaha Corp
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Yamaha Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/027—Electrical or mechanical reduction of yoke vibration

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a loudspeaker box which can realize sure reinforcement simply and at low cost. <P>SOLUTION: In the loudspeaker box in which a reinforcing material is inserted between facing inner walls, the reinforcement material 6 has a notch formed in a direction perpendicular to the direction of a framework constructed between inner walls, and is inserted in the inner walls in a state that shrinkage along the forming direction occurs in the notch. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、スピーカボックスに係り、特にスピーカボックスの補強構造に関するものである。   The present invention relates to a speaker box, and more particularly to a reinforcing structure of a speaker box.

従来、音響システムに用いられるスピーカボックスには、箱鳴り等の異質な音の発生を防止するために、スピーカボックス内に補強部材が取り付けられているものがある。
図１１は従来のスピーカボックスの１例を示す断面図である。図１１において、１０１はスピーカユニット、１０２はスピーカボックスの前面部材、１０３は後面部材、１０４は補強部材、１０５は三角隅木である。図１１の例では、前面部材１０２の内壁と後面部材１０３の内壁に補強部材１０４を当接させて、スピーカボックスを補強するようになっている。補強部材１０４は三角隅木１０５により前面部材１０２の内壁と後面部材１０３の内壁に固定されている。 2. Description of the Related Art Conventionally, some speaker boxes used in acoustic systems have a reinforcing member attached to the speaker box in order to prevent the generation of extraneous sounds such as ringing.
FIG. 11 is a cross-sectional view showing an example of a conventional speaker box. In FIG. 11, 101 is a speaker unit, 102 is a front member of a speaker box, 103 is a rear member, 104 is a reinforcing member, and 105 is a triangular corner tree. In the example of FIG. 11, the reinforcing member 104 is brought into contact with the inner wall of the front member 102 and the inner wall of the rear member 103 to reinforce the speaker box. The reinforcing member 104 is fixed to the inner wall of the front member 102 and the inner wall of the rear member 103 by a triangular corner tree 105.

図１２は従来のスピーカボックスの他の例を示す断面図である。図１２の例では、前面部材１０２の内壁と後面部材１０３の内壁にそれぞれ凹部（ミゾ）１０７，１０８を形成し、さらに補強部材１０６の両端に凸部（ホゾ）１０９，１１０を形成して、補強部材１０６の凸部１０９，１１０をスピーカボックスの凹部１０７，１０８に嵌め込むようにしている。   FIG. 12 is a cross-sectional view showing another example of a conventional speaker box. In the example of FIG. 12, recesses (grooves) 107 and 108 are formed on the inner wall of the front member 102 and the inner wall of the rear member 103, respectively, and protrusions 109 and 110 are formed on both ends of the reinforcing member 106. The convex portions 109 and 110 of the reinforcing member 106 are fitted into the concave portions 107 and 108 of the speaker box.

なお、以上の従来技術は、出願人が出願時点で知る限りにおいて文献公知ではない。また、出願人は、出願時までに本発明に関連する先行技術文献を発見することができなかった。よって、先行技術文献情報を開示していない。   The above prior art is not publicly known as long as the applicant knows at the time of filing. Further, the applicant has not been able to find prior art documents related to the present invention by the time of filing. Therefore, prior art document information is not disclosed.

図１１に示したスピーカボックスの例では、スピーカボックスの内壁と補強部材１０４との間に隙間が生じる可能性があり、スピーカボックスと補強部材１０４との接合強度としては、三角隅木１０５により補強部材１０４を固定する強度しか望めないという問題点があった。同様に、図１２に示したスピーカボックスの例においても、スピーカボックスの内壁の凹部１０７，１０８と補強部材１０６の凸部１０９，１１０との間に隙間が生じる可能性があり、スピーカボックスと補強部材１０６との接合強度としては、隙間に充填された接着剤により補強部材１０６を固定する強度しか望めないという問題点があった。このように、従来のスピーカボックスでは、スピーカボックスと補強部材との接合強度が不十分で、補強部材によるスピーカボックスの振動抑制効果が不十分な可能性があった。   In the example of the speaker box shown in FIG. 11, there is a possibility that a gap may be generated between the inner wall of the speaker box and the reinforcing member 104. As the bonding strength between the speaker box and the reinforcing member 104, the reinforcing member is formed by the triangular corner tree 105. There was a problem that only the strength for fixing 104 could be expected. Similarly, in the example of the speaker box shown in FIG. 12, there is a possibility that a gap is generated between the concave portions 107 and 108 on the inner wall of the speaker box and the convex portions 109 and 110 of the reinforcing member 106. As the bonding strength with the member 106, there is a problem that only the strength for fixing the reinforcing member 106 with an adhesive filled in the gap can be expected. As described above, in the conventional speaker box, the bonding strength between the speaker box and the reinforcing member is insufficient, and the vibration suppressing effect of the speaker box by the reinforcing member may be insufficient.

また、図１１に示したスピーカボックスの例では、補強部材１０４の他に複数の三角隅木１０５を用意する必要があり、さらにスピーカボックスの組み立ての際に補強部材１０４を複数の三角隅木１０５で固定する必要があった。一方、図１２に示したスピーカボックスの例では、所謂ホゾミゾ加工が必要になるという問題点があった。このように、従来のスピーカボックスでは、補強部材の製造と組み立てにコストがかかるという問題点があった。   In the example of the speaker box shown in FIG. 11, it is necessary to prepare a plurality of triangular corner trees 105 in addition to the reinforcing member 104, and the reinforcing member 104 is fixed by the plurality of triangular corner trees 105 when the speaker box is assembled. There was a need to do. On the other hand, the example of the speaker box shown in FIG. 12 has a problem that so-called scallop processing is required. As described above, the conventional speaker box has a problem that the manufacturing and assembling of the reinforcing member is expensive.

また、図１１、図１２に示したスピーカボックスの例では、前面部材と後面部材の振動を抑えることはできるものの、左面部材と右面部材の振動を抑えることができないという問題点があった。前面、後面、左面、右面の４面を同時に補強する方法としては、例えば図１３に示すような枠状の補強部材１１３を使用して、スピーカボックスの左面部材１１１と右面部材１１２の振動も抑える方法が考えられる。しかしながら、図１３に示したスピーカボックスでは、補強部材が大掛かりなものとなり、補強部材の製造と組み立てにコストがかかるという問題点があった。   In addition, the example of the speaker box shown in FIGS. 11 and 12 has a problem that although vibrations of the front member and the rear member can be suppressed, vibrations of the left member and the right member cannot be suppressed. For example, a frame-shaped reinforcing member 113 as shown in FIG. 13 is used to simultaneously reinforce the front, rear, left, and right surfaces, thereby suppressing vibration of the left surface member 111 and the right surface member 112 of the speaker box. A method is conceivable. However, the speaker box shown in FIG. 13 has a problem that the reinforcing member is large and the manufacturing and assembly of the reinforcing member are expensive.

本発明の第１の目的は、簡単かつ低コストで確実な補強を実現することができるスピーカボックスを提供することにある。
また、本発明の第２の目的は、簡単かつ低コストで多面同時補強を実現することができるスピーカボックスを提供することにある。 A first object of the present invention is to provide a speaker box that can realize reliable reinforcement simply and at low cost.
A second object of the present invention is to provide a speaker box that can realize multi-surface simultaneous reinforcement at a simple and low cost.

本発明のスピーカボックスにおける補強部材は、スピーカボックスの内壁間に架設される方向と直角の方向に形成された切欠きを有し、前記架設方向に沿って弾性変形するものである。
また、本発明のスピーカボックスの１構成例は、さらに、前記補強部材の切欠きが設けられた箇所に取り付けられ、前記補強部材の変形状態を固定するサブプレートを有するものである。
また、本発明のスピーカボックスの１構成例において、前記補強部材は、複数設けられ、この複数の補強部材は、架設方向が互いに直交するものである。
また、本発明のスピーカボックスは、補強部材とこれに対向する内壁との間に打ち込まれた楔を有するものである。
また、本発明のスピーカボックスにおける補強部材は、対向する第１の内壁と第２の内壁間に挿入され、かつ対向する第３の内壁と第４の内壁間に挿入される十字状である。
また、本発明のスピーカボックスの１構成例は、さらに、十字状の前記補強部材と前記第２の内壁との間に打ち込まれた第１の楔と、前記補強部材と前記第４の内壁との間に打ち込まれた第２の楔とを有するものである。 The reinforcing member in the speaker box of the present invention has a notch formed in a direction perpendicular to the direction of erection between the inner walls of the speaker box, and is elastically deformed along the erection direction.
Moreover, one structural example of the speaker box of this invention has a subplate which is attached to the location in which the notch of the said reinforcement member was provided, and fixes the deformation | transformation state of the said reinforcement member.
Moreover, in one structural example of the speaker box of this invention, the said reinforcement member is provided with two or more, and this installation direction of a plurality of reinforcement members mutually orthogonally crosses.
The speaker box of the present invention has a wedge driven between the reinforcing member and the inner wall facing the reinforcing member.
The reinforcing member in the speaker box of the present invention has a cross shape that is inserted between the first inner wall and the second inner wall facing each other and inserted between the third inner wall and the fourth inner wall facing each other.
In addition, one configuration example of the speaker box of the present invention may further include a first wedge driven between the cross-shaped reinforcing member and the second inner wall, the reinforcing member, and the fourth inner wall. And a second wedge driven in between.

本発明によれば、架設方向と直角の方向に切欠きを形成した補強部材を用意し、この切欠きに前記架設方向に沿った縮みが生じた状態で補強部材をスピーカボックスの内壁間に挿入することにより、補強部材の弾性力を利用して内壁間に圧力をかけることができ、スピーカボックスと補強部材との間に隙間がない状態で確実な補強を実現することができる。また、本発明では、補強部材に切欠きを設けるだけでよく、補強部材の装着も容易なので、簡単かつ低コストで確実な補強を実現することができる。   According to the present invention, a reinforcing member having a notch formed in a direction perpendicular to the installation direction is prepared, and the reinforcement member is inserted between the inner walls of the speaker box in a state in which the notch is contracted along the installation direction. By doing so, pressure can be applied between the inner walls using the elastic force of the reinforcing member, and reliable reinforcement can be realized in a state where there is no gap between the speaker box and the reinforcing member. Further, in the present invention, it is only necessary to provide a cutout in the reinforcing member, and since the mounting of the reinforcing member is easy, reliable reinforcement can be realized simply and at low cost.

また、本発明では、補強部材の切欠きが設けられた箇所にサブプレートを取り付けることにより、補強部材の変形状態を固定することができ、より確実な補強を実現することができる。   Moreover, in this invention, the deformation | transformation state of a reinforcement member can be fixed by attaching a subplate to the location in which the notch of the reinforcement member was provided, and more reliable reinforcement can be implement | achieved.

また、本発明では、補強部材を複数設けることにより、サブプレートを省くことができる。   In the present invention, the sub-plate can be omitted by providing a plurality of reinforcing members.

また、本発明では、複数の補強部材の架設方向を互いに直交させることにより、スピーカボックスの多面同時補強を簡単かつ低コストで実現することができる。   Further, according to the present invention, the multi-surface simultaneous reinforcement of the speaker box can be realized easily and at low cost by making the installation direction of the plurality of reinforcing members orthogonal to each other.

また、本発明では、補強部材とこれに対向する内壁との間に楔を設けることにより、簡単かつ低コストで確実な補強を実現することができる。   In the present invention, by providing a wedge between the reinforcing member and the inner wall facing the reinforcing member, reliable reinforcement can be realized easily and at low cost.

また、本発明では、十字状の補強部材を設けることにより、スピーカボックスの４面の同時補強を簡単かつ低コストで実現することができる。   Further, in the present invention, by providing the cross-shaped reinforcing member, simultaneous reinforcement of the four surfaces of the speaker box can be realized easily and at low cost.

また、本発明では、十字状の補強部材と第２の内壁との間に楔を設け、さらに十字状の補強部材と第４の内壁との間に第２の楔を設けることにより、より確実な補強を実現することができる。   In the present invention, a wedge is provided between the cross-shaped reinforcing member and the second inner wall, and a second wedge is further provided between the cross-shaped reinforcing member and the fourth inner wall. Reinforcement can be realized.

［第１の実施の形態］
以下、本発明の実施の形態について図面を参照して説明する。図１は本発明の第１の実施の形態となるスピーカボックスの外観図、図２は図１のスピーカボックスのＡ−Ａ断面図である。図１、図２において、１はスピーカユニット、２はスピーカボックスの前面部材、３は後面部材、４は左面部材、５は右面部材、６は補強部材、７はサブプレートである。本実施の形態は、前記第１の目的に対応するものであり、例えば木製のスピーカボックスの前面部材２の内壁と後面部材３の内壁に同じく木製の補強部材６を当接させて接着・固定し、さらに補強部材６に木製のサブプレート７を接着したものである。 [First Embodiment]
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an external view of a speaker box according to a first embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line AA of the speaker box of FIG. 1 and 2, 1 is a speaker unit, 2 is a front member of the speaker box, 3 is a rear member, 4 is a left member, 5 is a right member, 6 is a reinforcing member, and 7 is a sub-plate. The present embodiment corresponds to the first object. For example, the wooden reinforcing member 6 is also brought into contact with the inner wall of the front member 2 and the inner wall of the rear member 3 of a wooden speaker box to be bonded and fixed. In addition, a wooden sub-plate 7 is bonded to the reinforcing member 6.

図３は補強部材６とサブプレート７の斜視図である。補強部材６には、その架設方向（図２では左右方向、図３ではＸ方向）と直角の方向に矩形の切欠き６０，６１が形成されている。図４はスピーカボックス内に装着したときの補強部材６の状態を示す平面図である。図４における破線は装着前の補強部材６の初期状態を示している。また、図４では、補強部材６の効果を説明するためにスピーカボックスを省略している。   FIG. 3 is a perspective view of the reinforcing member 6 and the sub plate 7. The reinforcing member 6 is formed with rectangular cutouts 60 and 61 in a direction perpendicular to the erection direction (left and right direction in FIG. 2 and X direction in FIG. 3). FIG. 4 is a plan view showing a state of the reinforcing member 6 when mounted in the speaker box. The broken line in FIG. 4 shows the initial state of the reinforcing member 6 before mounting. Moreover, in FIG. 4, in order to demonstrate the effect of the reinforcement member 6, the speaker box is abbreviate | omitted.

補強部材６をスピーカボックス内に装着すると、切欠き６０，６１が変形して、補強部材６が縮む。このとき、切欠き６０では左右両側で変形が生じているが、片側における最大の縮み量をｌとすると、切欠き６０の両側での最大の縮み量は２ｌとなる。よって、切欠き６１の縮み量も考慮すると、補強部材全体での最大の縮み量は４ｌである。補強部材６の初期状態の長さをＬとすると、補強部材６の長さは最も短い場合で（Ｌ−４ｌ）となる。   When the reinforcing member 6 is mounted in the speaker box, the notches 60 and 61 are deformed and the reinforcing member 6 is contracted. At this time, the notch 60 is deformed on both the left and right sides, but if the maximum amount of shrinkage on one side is 1, the maximum amount of shrinkage on both sides of the notch 60 is 2l. Therefore, considering the amount of contraction of the notch 61, the maximum amount of contraction of the entire reinforcing member is 4l. When the length of the reinforcing member 6 in the initial state is L, the length of the reinforcing member 6 is the shortest (L-4l).

したがって、スピーカボックスの前面部材２の内壁と後面部材３の内壁間の距離Ｄに対して、（Ｌ−４ｌ）＜Ｄ＜Ｌを満たすように補強部材６の初期状態の長さと縮み量を設定しておけば、スピーカボックス内に補強部材６を装着したときに、補強部材６の弾性力によって前面部材２と後面部材３が押される状態となり、スピーカボックスと補強部材６との間に隙間がない状態で補強部材６を接着固定することができる。補強部材６をスピーカボックス内に装着するには、例えば前面部材２の内壁と後面部材３の内壁のそれぞれの該当箇所に接着剤を塗布し、補強部材６の両端に力を加えて補強部材６を縮め、接着剤を塗布した箇所に補強部材６を装着すればよい。   Therefore, the initial length and the amount of shrinkage of the reinforcing member 6 are set so as to satisfy (L-4l) <D <L with respect to the distance D between the inner wall of the front member 2 and the inner wall of the rear member 3 of the speaker box. If the reinforcing member 6 is mounted in the speaker box, the front member 2 and the rear member 3 are pushed by the elastic force of the reinforcing member 6, and there is a gap between the speaker box and the reinforcing member 6. The reinforcing member 6 can be bonded and fixed without being present. In order to mount the reinforcing member 6 in the speaker box, for example, an adhesive is applied to the corresponding portions of the inner wall of the front member 2 and the inner wall of the rear member 3, and a force is applied to both ends of the reinforcing member 6 to apply the reinforcing member 6. And the reinforcing member 6 may be attached to the portion where the adhesive is applied.

以上により、本実施の形態では、補強部材６の弾性力を利用して前面部材２と後面部材３に圧力をかけることができ、スピーカボックスと補強部材６との間に隙間がない状態で確実な補強を実現することができる。また、本実施の形態では、補強部材６に切欠き６０，６１を設けるだけでよく、従来のスピーカボックスのような三角隅木やホゾミゾ加工が不要となり、また補強部材６の装着も容易なので、簡単かつ低コストで確実な補強を実現することができる。   As described above, in the present embodiment, it is possible to apply pressure to the front member 2 and the rear member 3 using the elastic force of the reinforcing member 6, and to ensure that there is no gap between the speaker box and the reinforcing member 6. Reinforcement can be realized. Further, in the present embodiment, it is only necessary to provide the notches 60 and 61 in the reinforcing member 6, and it is not necessary to use a triangular corner tree or a side-slotting as in a conventional speaker box, and the mounting of the reinforcing member 6 is easy. In addition, reliable reinforcement can be realized at low cost.

なお、本実施の形態では、スピーカボックスの補強に補強部材６の弾性力を利用するため、スピーカボックスの内壁間の距離Ｄと補強部材６の縮み量との関係を（Ｌ−４ｌ）＜Ｄに設定しており、補強部材６は縮み方向の余裕を残した状態でスピーカボックス内に固定されている。しかし、スピーカボックス内に一旦固定した後に補強部材６が縮むことはスピーカボックスの補強にとって好ましくない。そこで、本実施の形態では、図２に示すように補強部材６にサブプレート７を接着固定することで、補強部材６がスピーカボックスを押している状態を維持させることができ、より確実な補強を実現することができる。   In this embodiment, since the elastic force of the reinforcing member 6 is used to reinforce the speaker box, the relationship between the distance D between the inner walls of the speaker box and the amount of shrinkage of the reinforcing member 6 is expressed as (L-4l) <D. The reinforcing member 6 is fixed in the speaker box with a margin in the shrinking direction. However, it is not preferable for the reinforcement of the speaker box that the reinforcing member 6 shrinks after being fixed in the speaker box. Therefore, in the present embodiment, as shown in FIG. 2, the sub-plate 7 is bonded and fixed to the reinforcing member 6 so that the state in which the reinforcing member 6 pushes the speaker box can be maintained. Can be realized.

また、補強部材６に設ける切欠きは１つだけでもよいが、例えば切欠き６０のみを設けると、図４に示した補強部材６の下側のみが左右方向に縮み、上側が縮み難いといったように補強部材６の変形が不均一になるので、スピーカボックスの内壁と補強部材６との接触が不均一となり、好ましくない。そこで、図４に示すように上向き（図２における紙面から奥に向かう方向）に形成された切欠き６０と下向き（図２における紙面から手前に向かう方向）に形成された切欠き６１といったように、２つの切欠き６０，６１を逆向きに形成しておくことで、補強部材６の均一な変形を実現することができる。   Further, only one notch may be provided in the reinforcing member 6. For example, when only the notch 60 is provided, only the lower side of the reinforcing member 6 shown in FIG. Further, since the deformation of the reinforcing member 6 becomes nonuniform, the contact between the inner wall of the speaker box and the reinforcing member 6 becomes nonuniform, which is not preferable. Therefore, as shown in FIG. 4, a notch 60 formed upward (in the direction from the paper surface to the back in FIG. 2) and a notch 61 formed downward (in the direction from the paper surface in FIG. 2). By forming the two notches 60 and 61 in opposite directions, uniform deformation of the reinforcing member 6 can be realized.

［第２の実施の形態］
第１の実施の形態では、サブプレートを使用することで補強部材の状態を固定したが、２つの補強部材を使用するようにしてもよい。図５は本実施の形態のスピーカボックスを図１のＡ−Ａ線で切断した断面図、図６はスピーカボックス内に装着したときの補強部材の状態を示す平面図である。図４と同様に図６ではスピーカボックスを省略している。 [Second Embodiment]
In the first embodiment, the state of the reinforcing member is fixed by using the sub-plate, but two reinforcing members may be used. FIG. 5 is a cross-sectional view of the speaker box of the present embodiment cut along line AA in FIG. 1, and FIG. 6 is a plan view showing a state of the reinforcing member when the speaker box is mounted in the speaker box. As in FIG. 4, the speaker box is omitted in FIG.

本実施の形態では、補強部材８に切欠き８０，８１を形成し、補強部材９に切欠き９０，９１を形成している。後述のように補強部材８，９を接着固定したとき、互いの位置が異なるように切欠き８０，８１，９０，９１は設けられている。切欠きの位置を互いに変える理由は、一方の補強部材の切欠きの状態を他方の補強部材で固定する必要があるからである。   In the present embodiment, notches 80 and 81 are formed in the reinforcing member 8, and notches 90 and 91 are formed in the reinforcing member 9. As will be described later, when the reinforcing members 8 and 9 are bonded and fixed, the notches 80, 81, 90, and 91 are provided so that their positions are different from each other. The reason why the positions of the cutouts are changed from each other is that the cutout state of one reinforcing member needs to be fixed by the other reinforcing member.

補強部材８，９をスピーカボックス内に装着するには、例えば前面部材２の内壁と後面部材３の内壁のそれぞれの該当箇所に接着剤を塗布し、補強部材８の両端に力を加えて補強部材８を縮め、接着剤を塗布した箇所に補強部材８を装着する。続いて補強部材８の上面に接着剤を塗布し、補強部材９の両端に力を加えて補強部材９を縮め、補強部材８の上に補強部材９を接着すればよい。   In order to mount the reinforcing members 8 and 9 in the speaker box, for example, an adhesive is applied to the corresponding portions of the inner wall of the front member 2 and the inner wall of the rear member 3, and the both ends of the reinforcing member 8 are reinforced by applying force. The member 8 is shrunk and the reinforcing member 8 is attached to the place where the adhesive is applied. Subsequently, an adhesive is applied to the upper surface of the reinforcing member 8, the force is applied to both ends of the reinforcing member 9 to shrink the reinforcing member 9, and the reinforcing member 9 is bonded onto the reinforcing member 8.

［第３の実施の形態］
第２の実施の形態では、２つの補強部材の架設方向を同一にしているが、２つの補強部材の架設方向を直交させてもよい。図７は本実施の形態のスピーカボックスを図１のＢ−Ｂ線で切断した断面図である。本実施の形態は、前記第１の目的及び第２の目的に対応するものである。本実施の形態では、補強部材８をスピーカボックスの左面部材４の内壁と右面部材５の内壁に接着固定し、補強部材９を前面部材２の内壁と後面部材３の内壁に接着固定し、さらに補強部材８と補強部材９とを接着固定するようにしている。 [Third Embodiment]
In the second embodiment, the installation direction of the two reinforcing members is the same, but the installation direction of the two reinforcing members may be orthogonal. FIG. 7 is a cross-sectional view of the speaker box according to the present embodiment taken along line BB in FIG. This embodiment corresponds to the first object and the second object. In the present embodiment, the reinforcing member 8 is bonded and fixed to the inner wall of the left surface member 4 and the inner wall of the right surface member 5 of the speaker box, and the reinforcing member 9 is bonded and fixed to the inner wall of the front member 2 and the inner wall of the rear surface member 3. The reinforcing member 8 and the reinforcing member 9 are bonded and fixed.

以上のように、本実施の形態では、補強部材８，９の架設方向を直交させることで、スピーカボックスの前面、後面、左面、右面の４面を同時に補強することができるので、第１の実施の形態で説明した効果に加えて、簡単かつ低コストで多面同時補強を実現することができるという効果が得られる。   As described above, in the present embodiment, the four directions of the front, rear, left, and right sides of the speaker box can be reinforced at the same time by making the erection directions of the reinforcing members 8 and 9 orthogonal to each other. In addition to the effects described in the embodiment, an effect that multi-surface simultaneous reinforcement can be realized easily and at low cost is obtained.

［第４の実施の形態］
次に、本発明の第４の実施の形態について説明する。図８は本実施の形態のスピーカボックスを図１のＡ−Ａ線で切断した断面図である。本実施の形態は、前記第１の目的に対応するものであり、補強部材１０とスピーカボックスの後面部材３の内壁との間に、断面が三角形の楔１１を打ち込んだものである。補強部材１０とスピーカボックスの前面部材２の内壁との間、補強部材１０と楔１１との間、及び楔１１とスピーカボックスの後面部材３の内壁との間には、それぞれ接着剤が予め塗布されている。 [Fourth Embodiment]
Next, a fourth embodiment of the present invention will be described. FIG. 8 is a cross-sectional view of the speaker box of the present embodiment taken along line AA in FIG. The present embodiment corresponds to the first object described above, and a wedge 11 having a triangular cross section is driven between the reinforcing member 10 and the inner wall of the rear surface member 3 of the speaker box. Adhesives are previously applied between the reinforcing member 10 and the inner wall of the front member 2 of the speaker box, between the reinforcing member 10 and the wedge 11, and between the wedge 11 and the inner wall of the rear member 3 of the speaker box. Has been.

こうして、本実施の形態では、補強部材１０とスピーカボックスとの間に楔１１を打ち込むことにより、前面部材２と後面部材３に圧力をかけることができ、スピーカボックスと補強部材１０との間に隙間がない状態で確実な補強を実現することができる。また、本実施の形態では、楔１１を用意するだけでよく、補強部材１０の装着も容易なので、簡単かつ低コストで確実な補強を実現することができる。なお、本実施の形態では、補強部材１０とスピーカボックスの後面部材３の内壁との間に楔１１を打ち込んでいるが、補強部材１０とスピーカボックスの前面部材２の内壁との間に楔１１を打ち込んでもよいことは言うまでもない。   Thus, in the present embodiment, by driving the wedge 11 between the reinforcing member 10 and the speaker box, it is possible to apply pressure to the front member 2 and the rear member 3, and between the speaker box and the reinforcing member 10. Reliable reinforcement can be realized without a gap. Further, in the present embodiment, it is only necessary to prepare the wedge 11 and the mounting of the reinforcing member 10 is easy, so that reliable reinforcement can be realized simply and at low cost. In this embodiment, the wedge 11 is driven between the reinforcing member 10 and the inner wall of the rear member 3 of the speaker box. However, the wedge 11 is interposed between the reinforcing member 10 and the inner wall of the front member 2 of the speaker box. It goes without saying that you may type in.

［第５の実施の形態］
次に、本発明の第５の実施の形態について説明する。図９は本実施の形態のスピーカボックスを図１のＢ−Ｂ線で切断した断面図である。本実施の形態は、前記第２の目的に対応するものであり、スピーカボックス内に十字状の補強部材１２を接着固定したものである。補強部材１２の前腕部１２０はスピーカボックスの前面部材２の内壁（第１の内壁）に接着固定され、前腕部１２０と反対側の後腕部１２１は後面部材３の内壁（第２の内壁）に接着固定され、補強部材１２の左腕部１２２は左面部材４の内壁（第３の内壁）に接着固定され、左腕部１２２と反対側の右腕部１２３は右面部材５の内壁（第４の内壁）に接着固定されている。 [Fifth Embodiment]
Next, a fifth embodiment of the present invention will be described. FIG. 9 is a cross-sectional view of the speaker box of the present embodiment taken along line BB in FIG. This embodiment corresponds to the second object, and is obtained by bonding and fixing a cross-shaped reinforcing member 12 in a speaker box. The forearm portion 120 of the reinforcing member 12 is bonded and fixed to the inner wall (first inner wall) of the front member 2 of the speaker box, and the rear arm portion 121 opposite to the forearm portion 120 is the inner wall (second inner wall) of the rear member 3. The left arm portion 122 of the reinforcing member 12 is bonded and fixed to the inner wall (third inner wall) of the left surface member 4, and the right arm portion 123 on the opposite side of the left arm portion 122 is fixed to the inner wall (fourth inner wall) of the right surface member 5. ).

このとき、前腕部１２０と後腕部１２１とは、対向する前面部材２と後面部材３の振動モードが腹となる箇所に接着固定され、また左腕部１２２と右腕部１２３とは、対向する左面部材４と右面部材５の振動モードが腹となる箇所に接着固定された時に大きな効果を発揮する。このように、振動モードが腹となる４つの箇所に補強部材１２を同時に取り付けるために、補強部材１２の形を十字状としている。
本実施の形態によれば、スピーカボックスの前面、後面、左面、右面の４面を同時に補強することができるので、図１３に示した構成に比べて、簡単かつ低コストで多面同時補強を実現することができる。 At this time, the forearm portion 120 and the rear arm portion 121 are bonded and fixed to a portion where the vibration modes of the front member 2 and the rear member 3 facing each other become antinodes, and the left arm portion 122 and the right arm portion 123 are opposed left surfaces. A great effect is exhibited when the vibration mode of the member 4 and the right surface member 5 is bonded and fixed to a place where the vibration mode becomes an antinode. Thus, in order to attach the reinforcement member 12 to four places where vibration modes become antinodes simultaneously, the shape of the reinforcement member 12 is a cross shape.
According to the present embodiment, the front, rear, left, and right surfaces of the speaker box can be reinforced at the same time, so simple and low-cost multi-surface reinforcement is realized compared to the configuration shown in FIG. can do.

［第６の実施の形態］
次に、本発明の第６の実施の形態について説明する。図１０は本実施の形態のスピーカボックスを図１のＢ−Ｂ線で切断した断面図である。本実施の形態は、前記第１の目的及び第２の目的に対応するものであり、第４の実施の形態と第５の実施の形態を組み合わせたものである。 [Sixth Embodiment]
Next, a sixth embodiment of the present invention will be described. FIG. 10 is a cross-sectional view of the speaker box of the present embodiment taken along line BB in FIG. The present embodiment corresponds to the first object and the second object, and is a combination of the fourth embodiment and the fifth embodiment.

すなわち、本実施の形態は、補強部材１２の前腕部１２０をスピーカボックスの前面部材２の内壁に接着固定し、補強部材１２の後腕部１２１と後面部材３の内壁との間に楔１３を打ち込み、補強部材１２の左腕部１２２を左面部材４の内壁に接着固定し、さらに補強部材１２の右腕部１２３と右面部材５の内壁との間に楔１４を打ち込んだものである。補強部材１２と楔１３，１４との間、及び楔１３，１４とスピーカボックスの内壁との間には、それぞれ接着剤が予め塗布されていることは言うまでもない。
こうして、本実施の形態では、第４の実施の形態の効果と第５の実施の形態の効果を同時に実現することができる。 That is, in this embodiment, the forearm portion 120 of the reinforcing member 12 is bonded and fixed to the inner wall of the front member 2 of the speaker box, and the wedge 13 is interposed between the rear arm portion 121 of the reinforcing member 12 and the inner wall of the rear member 3. The left arm portion 122 of the reinforcing member 12 is bonded and fixed to the inner wall of the left surface member 4, and the wedge 14 is driven between the right arm portion 123 of the reinforcing member 12 and the inner wall of the right surface member 5. It goes without saying that an adhesive is applied in advance between the reinforcing member 12 and the wedges 13 and 14 and between the wedges 13 and 14 and the inner wall of the speaker box.
Thus, in the present embodiment, the effects of the fourth embodiment and the effects of the fifth embodiment can be realized simultaneously.

本発明は、スピーカボックスに適用することができる。   The present invention can be applied to a speaker box.

本発明の第１の実施の形態となるスピーカボックスの外観図である。1 is an external view of a speaker box according to a first embodiment of the present invention. 図１のスピーカボックスの構造を示す断面図である。It is sectional drawing which shows the structure of the speaker box of FIG. 本発明の第１の実施の形態における補強部材とサブプレートの斜視図である。It is a perspective view of the reinforcement member and subplate in the 1st Embodiment of this invention. 本発明の第１の実施の形態においてスピーカボックス内に装着したときの補強部材の状態を示す平面図である。It is a top view which shows the state of the reinforcement member when it mounts | wears in the speaker box in the 1st Embodiment of this invention. 本発明の第２の実施の形態となるスピーカボックスの構造を示す断面図である。It is sectional drawing which shows the structure of the speaker box used as the 2nd Embodiment of this invention. 本発明の第２の実施の形態においてスピーカボックス内に装着したときの補強部材の状態を示す平面図である。It is a top view which shows the state of the reinforcement member when it mounts | wears in the speaker box in the 2nd Embodiment of this invention. 本発明の第３の実施の形態となるスピーカボックスの構造を示す断面図である。It is sectional drawing which shows the structure of the speaker box used as the 3rd Embodiment of this invention. 本発明の第４の実施の形態となるスピーカボックスの構造を示す断面図である。It is sectional drawing which shows the structure of the speaker box used as the 4th Embodiment of this invention. 本発明の第５の実施の形態となるスピーカボックスの構造を示す断面図である。It is sectional drawing which shows the structure of the speaker box which becomes the 5th Embodiment of this invention. 本発明の第６の実施の形態となるスピーカボックスの構造を示す断面図である。It is sectional drawing which shows the structure of the speaker box which becomes the 6th Embodiment of this invention. 従来のスピーカボックスの１例を示す断面図である。It is sectional drawing which shows an example of the conventional speaker box. 従来のスピーカボックスの他の例を示す断面図である。It is sectional drawing which shows the other example of the conventional speaker box. 従来のスピーカボックスの他の例を示す断面図である。It is sectional drawing which shows the other example of the conventional speaker box.

符号の説明Explanation of symbols

１…スピーカユニット、２…前面部材、３…後面部材、４…左面部材、５…右面部材、６，８，９，１０，１２…補強部材、７…サブプレート、１１，１３，１４…楔、６０，６１，８０，８１，９０，９１…切欠き。
DESCRIPTION OF SYMBOLS 1 ... Speaker unit, 2 ... Front member, 3 ... Rear surface member, 4 ... Left surface member, 5 ... Right surface member, 6, 8, 9, 10, 12 ... Reinforcement member, 7 ... Subplate, 11, 13, 14 ... Wedge , 60, 61, 80, 81, 90, 91 ... notches.

Claims (6)

対向する内壁間に補強部材が挿入されたスピーカボックスにおいて、
前記補強部材は、前記内壁間に架設される方向と直角の方向に形成された切欠きを有し、前記架設方向に沿って弾性変形することを特徴とするスピーカボックス。 In the speaker box in which the reinforcing member is inserted between the opposing inner walls,
The said reinforcing member has a notch formed in the direction orthogonal to the direction constructed between the said inner walls, and elastically deforms along the said installation direction, The speaker box characterized by the above-mentioned. 請求項１記載のスピーカボックスにおいて、
さらに、前記補強部材の切欠きが設けられた箇所に取り付けられ、前記補強部材の変形状態を固定するサブプレートを有することを特徴とするスピーカボックス。 The speaker box according to claim 1,
The speaker box further comprising a sub-plate that is attached to a portion where the notch of the reinforcing member is provided and fixes a deformed state of the reinforcing member. 請求項１記載のスピーカボックスにおいて、
前記補強部材は、複数設けられ、この複数の補強部材は、架設方向が互いに直交することを特徴とするスピーカボックス。 The speaker box according to claim 1,
A plurality of the reinforcing members are provided, and the plurality of reinforcing members have their installation directions orthogonal to each other. 対向する内壁間に補強部材が挿入されたスピーカボックスにおいて、
前記補強部材とこれに対向する内壁との間に打ち込まれた楔を有することを特徴とするスピーカボックス。 In the speaker box in which the reinforcing member is inserted between the opposing inner walls,
A speaker box having a wedge driven between the reinforcing member and an inner wall facing the reinforcing member. 対向する内壁間に補強部材が挿入されたスピーカボックスにおいて、
前記補強部材は、対向する第１の内壁と第２の内壁間に挿入され、かつ対向する第３の内壁と第４の内壁間に挿入される十字状であることを特徴とするスピーカボックス。 In the speaker box in which the reinforcing member is inserted between the opposing inner walls,
The speaker box having a cross shape inserted between the first inner wall and the second inner wall facing each other, and inserted between the third inner wall and the fourth inner wall facing each other. 請求項５記載のスピーカボックスにおいて、
さらに、前記補強部材と前記第２の内壁との間に打ち込まれた第１の楔と、
前記補強部材と前記第４の内壁との間に打ち込まれた第２の楔とを有することを特徴とするスピーカボックス。
The speaker box according to claim 5, wherein
A first wedge driven between the reinforcing member and the second inner wall;
A speaker box, comprising: a second wedge driven between the reinforcing member and the fourth inner wall.
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Cited By (2)

* Cited by examiner, † Cited by third party
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JP2010004207A (en) * 2008-06-19 2010-01-07 Yamaha Corp Speaker
WO2020217818A1 (en) * 2019-04-26 2020-10-29 ヤマハ株式会社 Damping member

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WO2021134466A1 (en) * 2019-12-31 2021-07-08 瑞声声学科技(深圳)有限公司 Speaker enclosure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010004207A (en) * 2008-06-19 2010-01-07 Yamaha Corp Speaker
WO2020217818A1 (en) * 2019-04-26 2020-10-29 ヤマハ株式会社 Damping member
JP2020181144A (en) * 2019-04-26 2020-11-05 ヤマハ株式会社 Vibration damping member

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