JP4057637B1

JP4057637B1 - Speaker box

Info

Publication number: JP4057637B1
Application number: JP2007246344A
Authority: JP
Inventors: 公二宇野
Original assignee: 公二宇野
Priority date: 2007-09-24
Filing date: 2007-09-24
Publication date: 2008-03-05
Anticipated expiration: 2027-09-24
Also published as: JP2009077316A

Abstract

【課題】スピーカボックスにおいては、ドライバの振動板の動作に伴うドライバ取り付け穴周辺の振動、及び外郭の共振を防ぎ、且つ内部空間の気密性が必要とされる部分の気密性を確保しようとすると、側板端部に複雑な嵌め合わせ構造が必要になり、且つ内部に複雑な補強が必要になる場合が多いので、高い加工精度が求められ、且つ組み立て工程数が増加してしまう。
【解決手段】放射状に延びるアーム部（１）から（３）を備えた支持部（８）によって、上手に側板部（３１）及び（３２）を支持する。
【選択図】図６PROBLEM TO BE SOLVED: To prevent vibration around a driver mounting hole accompanying operation of a driver's diaphragm and resonance of an outer shell in a speaker box and to secure airtightness of a portion where airtightness of an internal space is required. In many cases, a complicated fitting structure is required at the end portion of the side plate and complicated reinforcement is required inside, so that high processing accuracy is required and the number of assembly steps is increased.
Side plate portions (31) and (32) are supported well by a support portion (8) provided with radially extending arm portions (1) to (3).
[Selection] Figure 6

Description

本発明は、スピーカボックスに関する。 The present invention relates to a speaker box.

スピーカボックスにおいては、特許文献１のように頑強な多角形筒形状を構成する為に、隣り合う側板の端部同士を嵌め合わせ、且つ内部に複雑な形状の支持部を組み込んで補強する案が知られている。 In the speaker box, in order to form a robust polygonal cylindrical shape as in Patent Document 1, a plan is proposed in which the ends of adjacent side plates are fitted together and a support portion having a complicated shape is incorporated therein for reinforcement. Are known.

特開平１１−１５５１８２号公報Japanese Patent Laid-Open No. 11-155182

スピーカボックスにおいては、ドライバの振動板の動作に伴うドライバ取り付け穴周辺の振動、及び外郭の共振を防ぎ、且つ内部空間の気密性が必要とされる部分の気密性を確保しようとすると、側板端部に複雑な嵌め合わせ構造が必要になり、且つ内部に複雑な補強が必要になる場合が多いので、高い加工精度が求められ、且つ組み立て工程数が増加してしまう。 In the speaker box, the vibration around the driver mounting hole accompanying the operation of the driver's diaphragm and the resonance of the outer shell are prevented, and the airtightness of the part where the airtightness of the internal space is required is secured. Since a complicated fitting structure is required at the part and complicated reinforcement is often required inside, high processing accuracy is required, and the number of assembly steps is increased.

本発明の実施形態図等を用いて以下に説明するが、これは本発明の内容をより把握しやすいようにする為で、添付の特許請求の範囲を縮小するものではない。 Embodiments of the present invention will be described below with reference to the drawings. However, this is intended to make the contents of the present invention easier to understand, and does not reduce the scope of the appended claims.

発明１に係るスピーカボックスは、例えば図１から３の組み、又は、図４から６の組みのように、
アーム部１、２、３の順に放射状に延び、且つそれぞれの根元が連結され、且つアーム部１の先端部及びアーム部２の先端部にそれぞれ対向するように延びる係合形状１１及び１２が配置され、且つアーム部２の先端部及びアーム部３の先端部にそれぞれ対向するように延びる係合形状１３及び１４が配置されるように、一体に押し出し成形された部材である支持部８と、
係合形状１１及び１２にそれぞれ一端部及び他端部が係合されることでスピーカボックス９９の外方向へ移動不能に係止され、スピーカボックス９９の外郭の一部を成す側板部３１と、
係合形状１３及び１４にそれぞれ一端部及び他端部が係合されることでスピーカボックス９９の外方向へ移動不能に係止され、スピーカボックス９９の外郭の一部を成す側板部３２と、
を具備する、
スピーカボックスである。 The speaker box according to the first aspect of the present invention is, for example, the combination of FIGS. 1 to 3 or the combination of FIGS.
Engagement shapes 11 and 12 are arranged that extend radially in the order of the arm portions 1, 2, and 3, are connected to each other, and extend so as to face the tip portion of the arm portion 1 and the tip portion of the arm portion 2, respectively. it is, in so that is and arranged engagement shapes 13 and 14 extending so as to face the tip of the tip portion and the arm portion 3 of the arm section 2, a support portion 8 is a member which is extruded integrally,
A side plate portion 31 that is locked so as not to move outward of the speaker box 99 by engaging one end portion and the other end portion with the engagement shapes 11 and 12, respectively, and forms a part of the outer shape of the speaker box 99;
A side plate portion 32 that is locked so as not to move outward of the speaker box 99 by engaging one end portion and the other end portion with the engagement shapes 13 and 14, respectively, and forms a part of the outer shape of the speaker box 99;
Comprising
It is a speaker box.

以上のように本発明では、支持部８に側板部３１及び３２を差し入れるだけで支持可能な構造とすることが容易であるので、高い加工精度を必要とせず、且つ組み立て工程数もわずかであるのに、頑強且つ気密性の高いスピーカボックスを、製造コストを抑えて得ることが可能となる。 As described above, in the present invention, since it is easy to provide a supportable structure by simply inserting the side plate portions 31 and 32 into the support portion 8, high processing accuracy is not required and the number of assembly steps is small. Nevertheless, a robust and highly airtight speaker box can be obtained at a low manufacturing cost .

〔第１実施形態〕
図１から３において、スピーカボックス９９は三角形筒形状の一端部及び他端部がそれぞれ蓋７１の内面７３及び蓋７２の内面７５によって蓋をされた状態であり、三角形筒形状の中心軸線に沿うように支持部８の連結部７が配置されている。
また、支持部８は押し出し金型（ダイス）を用いて三角形筒形状の中心軸線方向に押し出し成形したアルミ製の部材であり、連結部７から放射状に順に延びるアーム部１から３の先端部にはそれぞれ凸状の、係合形状１１及び１６、係合形状１２及び１３、係合形状１４及び１５が配置されており、係合形状１１及び１２、係合形状１３及び１４、係合形状１５及び１６はそれぞれ対向するように配置されている。
また、係合形状１１の内方向、及び係合形状１２の内方向に出来た溝にそれぞれ長方形平面板状の側板部３１の一端部及び他端部が嵌るように三角形筒形状の中心軸線方向から側板部３１がアーム部１及び２の間に差し入れられており、側板部３１はスピーカボックス９９の内方向及び外方向に移動不能にアーム部１及び２に支持されている。
また、係合形状１３の内方向、及び係合形状１４の内方向に出来た溝にそれぞれ長方形平面板状の側板部３２の一端部及び他端部が嵌るように三角形筒形状の中心軸線方向から側板部３２がアーム部２及び３の間に差し入れられており、側板部３２はスピーカボックス９９の内方向及び外方向に移動不能にアーム部２及び３に支持されている。
また、係合形状１５の内方向、及び係合形状１６の内方向に出来た溝にそれぞれ長方形平面板状の側板部３３の一端部及び他端部が嵌るように三角形筒形状の中心軸線方向から側板部３３がアーム部３及び１の間に差し入れられており、側板部３３はスピーカボックス９９の内方向及び外方向に移動不能にアーム部３及び１に支持されている。
また、蓋７１及び７２はそれぞれ、支持部８の押し出し成形時に形成された貫通穴８１から８３にネジ止めされている。
また、側板部３１から３３にはそれぞれ円筒状のポート５１から５３が設けられており、スピーカボックス９９内部空間との共鳴を利用した位相反転形スピーカボックスを構成している。
また、蓋７１の外面７４には直接放射形コーン形のドライバ６７が設置されており、ドライバ６７の振動板後面はスピーカボックス９９内部空間に接続されている。 [First Embodiment]
1 to 3, a speaker box 99 is in a state in which one end portion and the other end portion of a triangular cylindrical shape are covered with an inner surface 73 of a lid 71 and an inner surface 75 of a lid 72, respectively, along the central axis of the triangular cylindrical shape. Thus, the connecting portion 7 of the support portion 8 is arranged.
The support portion 8 is an aluminum member that is extruded in the direction of the central axis of a triangular cylinder using an extrusion die (die), and is provided at the distal ends of the arm portions 1 to 3 that extend in a radial direction from the connecting portion 7. Are respectively provided with convex engagement shapes 11 and 16, engagement shapes 12 and 13, engagement shapes 14 and 15, engagement shapes 11 and 12, engagement shapes 13 and 14, and engagement shape 15. And 16 are arranged to face each other.
Further, the central axis direction of the triangular cylindrical shape is such that one end and the other end of the rectangular flat plate-like side plate portion 31 are fitted in the grooves formed in the inner direction of the engagement shape 11 and the inner direction of the engagement shape 12, respectively. A side plate portion 31 is inserted between the arm portions 1 and 2, and the side plate portion 31 is supported by the arm portions 1 and 2 so as not to move inward and outward of the speaker box 99.
Further, the central axis direction of the triangular cylindrical shape is such that one end and the other end of the rectangular flat plate-like side plate portion 32 are fitted in the grooves formed in the inner direction of the engagement shape 13 and the inner direction of the engagement shape 14, respectively. The side plate portion 32 is inserted between the arm portions 2 and 3, and the side plate portion 32 is supported by the arm portions 2 and 3 so as not to move inward and outward of the speaker box 99.
Further, the central axis direction of the triangular cylindrical shape is such that one end and the other end of the rectangular flat plate-like side plate portion 33 are fitted in the grooves formed in the inner direction of the engagement shape 15 and the inner direction of the engagement shape 16, respectively. The side plate portion 33 is inserted between the arm portions 3 and 1, and the side plate portion 33 is supported by the arm portions 3 and 1 so as not to move inward and outward of the speaker box 99.
Further, the lids 71 and 72 are respectively screwed to through holes 81 to 83 formed when the support portion 8 is extruded.
The side plates 31 to 33 are provided with cylindrical ports 51 to 53, respectively, to constitute a phase inversion type speaker box using resonance with the internal space of the speaker box 99.
A direct cone cone driver 67 is installed on the outer surface 74 of the lid 71, and the rear surface of the diaphragm of the driver 67 is connected to the space inside the speaker box 99.

〔第２実施形態〕
図４から６において、スピーカボックス９９は六角形筒形状の一端部及び他端部がそれぞれ蓋７１の内面７３及び蓋７２の内面７５によって蓋をされた状態であり、六角形筒形状の中心軸線に沿うように支持部８の連結部７が配置されている。
また、支持部８は押し出し金型（ダイス）を用いて六角形筒形状の中心軸線方向に押し出し成形したアルミ製の部材であり、連結部７から放射状に順に延びるアーム部１から６の先端部にはそれぞれ凸状の、係合形状１１及び２２、係合形状１２及び１３、係合形状１４及び１５、係合形状１６及び１７、係合形状１８及び１９、係合形状２０及び２１が配置されており、係合形状１１及び１２、係合形状１３及び１４、係合形状１５及び１６、係合形状１７及び１８、係合形状１９及び２０、係合形状２１及び２２はそれぞれ対向するように配置されている。
また、係合形状１１の内方向、及び係合形状１２の内方向に出来た溝にそれぞれ長方形平面板状の側板部３１の一端部及び他端部が嵌るように六角形筒形状の中心軸線方向から側板部３１がアーム部１及び２の間に差し入れられており、側板部３１はスピーカボックス９９の内方向及び外方向に移動不能にアーム部１及び２に支持されている。
また、係合形状１３の内方向、及び係合形状１４の内方向に出来た溝にそれぞれ長方形平面板状の側板部３２の一端部及び他端部が嵌るように六角形筒形状の中心軸線方向から側板部３２がアーム部２及び３の間に差し入れられており、側板部３２はスピーカボックス９９の内方向及び外方向に移動不能にアーム部２及び３に支持されている。
また、係合形状１５の内方向、及び係合形状１６の内方向に出来た溝にそれぞれ長方形平面板状の側板部３３の一端部及び他端部が嵌るように六角形筒形状の中心軸線方向から側板部３３がアーム部３及び４の間に差し入れられており、側板部３３はスピーカボックス９９の内方向及び外方向に移動不能にアーム部３及び４に支持されている。
また、係合形状１７の内方向、及び係合形状１８の内方向に出来た溝にそれぞれ長方形平面板状の側板部３４の一端部及び他端部が嵌るように六角形筒形状の中心軸線方向から側板部３４がアーム部４及び５の間に差し入れられており、側板部３４はスピーカボックス９９の内方向及び外方向に移動不能にアーム部４及び５に支持されている。
また、係合形状１９の内方向、及び係合形状２０の内方向に出来た溝にそれぞれ長方形平面板状の側板部３５の一端部及び他端部が嵌るように六角形筒形状の中心軸線方向から側板部３５がアーム部５及び６の間に差し入れられており、側板部３５はスピーカボックス９９の内方向及び外方向に移動不能にアーム部５及び６に支持されている。
また、係合形状２１の内方向、及び係合形状２２の内方向に出来た溝にそれぞれ長方形平面板状の側板部３６の一端部及び他端部が嵌るように六角形筒形状の中心軸線方向から側板部３６がアーム部６及び１の間に差し入れられており、側板部３６はスピーカボックス９９の内方向及び外方向に移動不能にアーム部６及び１に支持されている。
また、蓋７１及び７２はそれぞれ、支持部８の押し出し成形時に形成された貫通穴８１から８７にネジ止めされている。
また、側板部３１から３６にはそれぞれ円筒状のポート５１から５６が設けられており、アーム部１から６による仕切りによってスピーカボックス９９内部の独立した６個の空間とポート５１から５６それぞれの共鳴を利用した位相反転形スピーカボックスを構成している。
また、側板部３１から３６にはそれぞれ直接放射形コーン形のドライバ６１から６６が設置されており、それぞれの振動板後面はスピーカボックス９９内部の独立した６個の三角柱状空間に接続されているので、スピーカボックス９９の内部空間におけるドライバ６１から６６の相互干渉を抑え、且つ内部空間の平行面を極力無くして定在波の発生を抑えている。 [Second Embodiment]
4 to 6, the speaker box 99 is in a state in which one end and the other end of the hexagonal cylindrical shape are covered by the inner surface 73 of the lid 71 and the inner surface 75 of the lid 72, respectively. The connection part 7 of the support part 8 is arrange | positioned so that.
The support portion 8 is an aluminum member that is extruded in the direction of the center axis of a hexagonal cylinder using an extrusion die (die), and the distal end portions of the arm portions 1 to 6 that sequentially extend radially from the connecting portion 7. Are respectively provided with convex engagement shapes 11 and 22, engagement shapes 12 and 13, engagement shapes 14 and 15, engagement shapes 16 and 17, engagement shapes 18 and 19, and engagement shapes 20 and 21. The engagement shapes 11 and 12, the engagement shapes 13 and 14, the engagement shapes 15 and 16, the engagement shapes 17 and 18, the engagement shapes 19 and 20, and the engagement shapes 21 and 22 are opposed to each other. Is arranged.
The central axis of the hexagonal cylinder shape so that one end portion and the other end portion of the side plate portion 31 of the rectangular flat plate shape are fitted in the grooves formed in the inner direction of the engagement shape 11 and the inner direction of the engagement shape 12, respectively. The side plate portion 31 is inserted between the arm portions 1 and 2 from the direction, and the side plate portion 31 is supported by the arm portions 1 and 2 so as not to move inward and outward of the speaker box 99.
The center axis of the hexagonal cylinder shape so that one end and the other end of the side plate portion 32 having a rectangular flat plate shape fit into the grooves formed in the inward direction of the engagement shape 13 and the inward direction of the engagement shape 14, respectively. The side plate portion 32 is inserted between the arm portions 2 and 3 from the direction, and the side plate portion 32 is supported by the arm portions 2 and 3 so as not to move inward and outward of the speaker box 99.
The center axis of the hexagonal cylinder shape so that one end and the other end of the side plate portion 33 having a rectangular flat plate shape fit into the grooves formed in the inner direction of the engagement shape 15 and the inner direction of the engagement shape 16, respectively. The side plate portion 33 is inserted between the arm portions 3 and 4 from the direction, and the side plate portion 33 is supported by the arm portions 3 and 4 so as not to move inward and outward of the speaker box 99.
The center axis of the hexagonal cylinder shape so that one end and the other end of the side plate portion 34 having a rectangular flat plate shape are fitted into the grooves formed in the inward direction of the engagement shape 17 and the inward direction of the engagement shape 18, respectively. The side plate portion 34 is inserted between the arm portions 4 and 5 from the direction, and the side plate portion 34 is supported by the arm portions 4 and 5 so as not to move inward and outward of the speaker box 99.
The center axis of the hexagonal cylinder shape so that one end and the other end of the side plate portion 35 having a rectangular flat plate shape fit into the grooves formed in the inward direction of the engagement shape 19 and the inward direction of the engagement shape 20, respectively. A side plate portion 35 is inserted between the arm portions 5 and 6 from the direction, and the side plate portion 35 is supported by the arm portions 5 and 6 so as not to move inward and outward of the speaker box 99.
The center axis of the hexagonal cylinder shape so that one end and the other end of the side plate portion 36 having a rectangular flat plate shape are fitted in the grooves formed in the inner direction of the engagement shape 21 and the inner direction of the engagement shape 22, respectively. A side plate portion 36 is inserted between the arm portions 6 and 1 from the direction, and the side plate portion 36 is supported by the arm portions 6 and 1 so as not to move inward and outward of the speaker box 99.
The lids 71 and 72 are respectively screwed to through holes 81 to 87 formed when the support portion 8 is extruded.
The side plates 31 to 36 are provided with cylindrical ports 51 to 56, respectively, and six independent spaces inside the speaker box 99 and the resonances of the ports 51 to 56 are separated by the arms 1 to 6 respectively. The phase inversion type speaker box using is constructed.
Further, direct-radiation cone-shaped drivers 61 to 66 are respectively installed on the side plate portions 31 to 36, and the rear surfaces of the respective diaphragms are connected to six independent triangular prism-like spaces inside the speaker box 99. Therefore, the mutual interference of the drivers 61 to 66 in the internal space of the speaker box 99 is suppressed, and the generation of standing waves is suppressed by eliminating the parallel plane of the internal space as much as possible.

〔その他の実施形態〕
第１実施形態において、ポート５１から５３をすべて塞いで密閉形スピーカボックスを構成しても良い。
また、蓋７２を取り去って音響管形スピーカボックスを構成する、等様々な方式が利用できる。 [Other Embodiments]
In the first embodiment, all of the ports 51 to 53 may be closed to constitute a sealed speaker box.
Various methods such as removing the lid 72 to form an acoustic tube speaker box can be used.

第２実施形態において、ポート５１から５６をすべて塞いで密閉形スピーカボックスを構成しても良い。
また、アーム部１から６によって仕切られた６個の内部空間を横穴によってすべてつなげ、ドライバ６１から６６を１個にして、無指向性を狙わないスピーカ装置を構成しても良い。
また、例えばドライバ６１のみ残してポート５１から５６、及びドライバ６２から６５の取り付け穴を塞ぎ、蓋７１付近のアーム部３及び５、及び蓋７２付近のアーム部２、４及び６に横穴を開けて、ドライバ６１からドライバ６６の取り付け穴まで続く音響管を構成するというように、アーム部１から６の少なくとも１つを仕切りとして利用して音響管の全長を確保する、音響迷路形スピーカボックスを構成しても良い。 In the second embodiment, all of the ports 51 to 56 may be closed to constitute a sealed speaker box.
Further, a speaker device that does not aim for omnidirectionality may be configured by connecting all six internal spaces partitioned by the arm portions 1 to 6 by horizontal holes and using one driver 61 to 66.
In addition, for example, only the driver 61 is left and the mounting holes of the ports 51 to 56 and the drivers 62 to 65 are closed, and the arm portions 3 and 5 near the lid 71 and the arm portions 2, 4 and 6 near the lid 72 are opened. An acoustic maze-type speaker box that secures the overall length of the acoustic tube by using at least one of the arm portions 1 to 6 as a partition, such as constituting an acoustic tube that extends from the driver 61 to the mounting hole of the driver 66. It may be configured.

第１実施形態の全体図Overall view of the first embodiment 図１の線分Ａ−Ａ矢視図Line AA arrow view of FIG. 図１の線分Ｂ−Ｂ断面図Sectional view along line BB in FIG. 第２実施形態の全体図Overall view of the second embodiment 図４の線分Ｃ−Ｃ矢視図Line segment CC view of FIG. 図４の線分Ｄ−Ｄ断面図Sectional view along line DD in FIG.

Explanation of symbols

１,２,３,４,５,６. アーム部
７. 連結部
８. 支持部
１１,１２,１３,１４,１５,１６,
１７,１８,１９,２０,２１,２２. 係合形状
３１,３２,３３,３４,３５,３６. 側板部
４１,４２,４３,４４,４５,４６,４７. ネジ
５１,５２,５３,５４,５５,５６. ポート
６１,６２,６３,６４,６５,６６,６７. ドライバ
７１,７２. 蓋
７３,７５. 内面
７４,７６. 外面
８１,８２,８３,８４,８５,８６,８７. 貫通穴
９９. スピーカボックス 1, 2, 3, 4, 5, 6. Arm part 7. Connection part 8. Support part 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22. Engagement shapes 31, 32, 33, 34, 35, 36. Side plate portions 41, 42, 43, 44, 45, 46, 47. Screws 51, 52, 53, 54, 55, 56. Ports 61, 62, 63, 64, 65, 66, 67. Drivers 71, 72. Lids 73, 75. Inner surfaces 74, 76. Outer surfaces 81, 82, 83, 84, 85, 86, 87 Through hole 99. Speaker box

Claims

The first arm portion, the second arm portion, and the third arm portion extend in the radial order, and the respective bases are connected to each other, and are opposed to the distal end portion of the first arm portion and the distal end portion of the second arm portion, respectively. The first engagement shape and the second engagement shape extending in the manner described above are disposed, and the third engagement shape and the second engagement shape extending so as to face the distal end portion of the second arm portion and the distal end portion of the third arm portion, respectively. 4 so that engagement shape is disposed, and the support portion is a member that is extruded in one piece,
One end and the other end are engaged with the first engagement shape and the second engagement shape, respectively, so that they cannot be moved outwardly of the speaker box. A first side plate portion formed;
One end and the other end are engaged with the third engagement shape and the fourth engagement shape, respectively, so as to be immovable in the outward direction of the speaker box, and a part of the outline of the speaker box A second side plate portion comprising:
Comprising
Speaker box.