JP6563354B2 - Electronics - Google Patents
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- JP6563354B2 JP6563354B2 JP2016046014A JP2016046014A JP6563354B2 JP 6563354 B2 JP6563354 B2 JP 6563354B2 JP 2016046014 A JP2016046014 A JP 2016046014A JP 2016046014 A JP2016046014 A JP 2016046014A JP 6563354 B2 JP6563354 B2 JP 6563354B2
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Description
本発明は、車載用音響機器などの電子機器に係り、特に、コンソールなどの設置母材に着脱可能に設置される電子機器に関するものである。 The present invention relates to an electronic device such as an on-vehicle acoustic device, and more particularly to an electronic device that is detachably installed on an installation base material such as a console.
従来より、特許文献１に記載されているように、電子機器に備えられる筐体の外側面にロック部材を取り付けておき、このロック部材を筐体の外側面に対して出没可能とすることにより、筐体をコンソール等の設置母材に設けられた凹所内に挿入するだけで、電子機器を設置母材の所定位置に自動的に固定するようにした取付構造が提案されている。ロック部材は板ばねを所定形状に折曲加工したものからなり、図８に示すような手順によって筐体の外側面に取り付けられるようになっている。 Conventionally, as described in Patent Document 1, a lock member is attached to an outer surface of a housing provided in an electronic device, and the lock member can be projected and retracted with respect to the outer surface of the housing. A mounting structure has been proposed in which an electronic device is automatically fixed at a predetermined position of an installation base material simply by inserting the casing into a recess provided in the installation base material such as a console. The lock member is formed by bending a leaf spring into a predetermined shape, and is attached to the outer surface of the casing by a procedure as shown in FIG.
図８において、符号１００は電子機器の外殻を構成する筐体を示し、符号２００は筐体１００に取り付けられるロック部材を示している。なお、以下の説明では、筐体１００を設置母材の凹所（図示せず）内に挿入する方向を後、筐体１００を凹所から引き抜く方向を前、筐体１００の内部の収納空間側を内、筐体１００の外方の外部空間側を外とし、これらの方向を図中に矢印で示してある。 In FIG. 8, reference numeral 100 denotes a casing that forms the outer shell of the electronic device, and reference numeral 200 denotes a lock member that is attached to the casing 100. In the following description, the direction in which the housing 100 is inserted into the recess (not shown) of the installation base material is rearward, the direction in which the housing 100 is pulled out from the recess is the front, and the storage space inside the housing 100 The side is the inside, the outside space side outside the housing 100 is the outside, and these directions are indicated by arrows in the figure.
筐体１００は内側に収納空間を有する箱形形状の部材であり、この筐体１００の外側面の取付板部１００ａには、外側へ突出する係合突起１０１と、係合突起１０１を挟んで前後方向に離反する前側開口部１０２および後側開口部１０３が設けられている。ロック部材２００には、舌片状の後側抜止部２０１と、後側抜止部２０１の前側から外方に向かって起立する立設部２０２と、立設部２０２の外側端部から前方に向かって延びる固定部２０３と、固定部２０３の前側から外側斜め前方に向かって延びる弾性変形部２０５と、弾性変形部２０５の前方の幅方向両側から内方に向かって延びる剛性部２０６と、剛性部２０６の内側端部から前方に延びる前側抜止部２０７とが形成されており、固定部２０３には位置決め孔２０４が形成されている。 The housing 100 is a box-shaped member having a storage space on the inner side. The mounting plate portion 100a on the outer surface of the housing 100 has an engaging protrusion 101 protruding outward and an engaging protrusion 101 interposed therebetween. A front opening 102 and a rear opening 103 that are separated in the front-rear direction are provided. The locking member 200 includes a tongue-shaped rear retaining portion 201, a standing portion 202 that rises outward from the front side of the rear retaining portion 201, and a front end from the outer end of the standing portion 202. A fixed portion 203 extending inward, an elastic deformation portion 205 extending obliquely outward from the front side of the fixed portion 203, a rigid portion 206 extending inward from both front sides in the width direction of the elastic deformation portion 205, and a rigid portion A front retaining portion 207 extending forward from the inner end of 206 is formed, and a positioning hole 204 is formed in the fixing portion 203.
ロック部材２００を筐体１００の取付板部１００ａに取り付ける場合は、図８（ａ）に示すように、まず、前側抜止部２０７を前側開口部１０２に対して後方から前方へ挿入することにより、前側抜止部２０７を取付板部１００ａの裏側に潜り込ませると共に、後側抜止部２０１を後側開口部１０３に対向させる。このとき、固定部２０３は係合突起１０１に当接して取付板部１００ａの表面から浮いた状態となっている。 When attaching the lock member 200 to the attachment plate portion 100a of the housing 100, as shown in FIG. 8A, first, by inserting the front side retaining portion 207 from the rear side to the front side with respect to the front side opening portion 102, The front retaining part 207 is made to enter the back side of the mounting plate part 100 a and the rear retaining part 201 is opposed to the rear opening 103. At this time, the fixing portion 203 is in contact with the engagement protrusion 101 and is floating from the surface of the mounting plate portion 100a.
次に、図８（ｂ）に示すように、固定部２０３の後端側を矢印Ａ方向へ押し込んで、後側抜止部２０１を後側開口部１０３の内方へ撓ませながら、剛性部２０６を矢印Ｂ方向へ強い力で押してロック部材２００を後方へスライド移動することにより、後側抜止部２０１を取付板部１００ａの裏側に潜り込ませる。なお、予め後側抜止部２０１の後端部が内方へ大きく折り曲げられている場合は、矢印Ａ方向への押し込み力を省略し、矢印Ｂ方向のみの押し込み力でロック部材２００を後方へスライドさせることも可能である。 Next, as shown in FIG. 8 (b), the rigid portion 206 is pushed while pushing the rear end side of the fixing portion 203 in the direction of arrow A to bend the rear retaining portion 201 inward of the rear opening 103. Is pushed in the direction of arrow B with a strong force and the lock member 200 is slid rearward to cause the rear-side retaining part 201 to enter the back side of the mounting plate part 100a. When the rear end portion of the rear side retaining portion 201 is bent inward greatly in advance, the pushing force in the direction of arrow A is omitted, and the lock member 200 is slid rearward with the pushing force only in the direction of arrow B. It is also possible to make it.
その際、固定部２０３は係合突起１０１上を摺動しながら後方へ移動し、図８（ｃ）に示すように、立設部２０２が後側開口部１０３の後端近傍まで移動すると、位置決め孔２０４が係合突起１０１に嵌まり込んで位置決めされ、この時点でロック部材２００が筐体１００の取付板部１００ａに取り付けられる。 At that time, the fixing portion 203 moves backward while sliding on the engaging protrusion 101, and when the standing portion 202 moves to the vicinity of the rear end of the rear opening 103, as shown in FIG. The positioning hole 204 is fitted into the engagement protrusion 101 and positioned, and at this point, the lock member 200 is attached to the attachment plate portion 100a of the housing 100.
そして、このようにロック部材２００が取り付けられた筐体１００を設置母材の凹所内に挿入して固定する場合は、ロック部材２００の弾性変形部２０５が挿入途中で凹所の開口端に当接して内側に撓められた後、さらなる挿入によって弾性変形部２０５が突出姿勢に復帰して凹所内のブラケット等に係止されるため、筐体１００を凹所内に挿入するだけで自動的に固定することができる。また、修理やメンテナンス時に筐体１００を凹所から取り外す場合は、設置母材に設けられた治具挿入孔から治具を挿入して弾性変形部２０５を内方へ撓めれば、弾性変形部２０５とブラケットの係合が解除されるため、そのまま筐体１００を凹所から抜き取ることができる。 When the housing 100 to which the lock member 200 is attached is inserted and fixed in the recess of the installation base material in this way, the elastic deformation portion 205 of the lock member 200 contacts the opening end of the recess during the insertion. After being in contact and bent inward, the elastic deformation portion 205 returns to the projecting posture by further insertion and is locked to a bracket or the like in the recess, so that it is automatically performed only by inserting the housing 100 into the recess. Can be fixed. In addition, when removing the housing 100 from the recess during repair or maintenance, if the jig is inserted from the jig insertion hole provided in the installation base material and the elastic deformation portion 205 is bent inward, the elastic deformation Since the engagement between the portion 205 and the bracket is released, the housing 100 can be extracted from the recess as it is.
しかし、特許文献１に記載された電子機器では、ロック部材２００を筐体１００の取付板部１００ａに取り付ける際に、前側抜止部２０７を前側開口部１０２に挿入して取付板部１００ａの裏側に潜り込ませた後、剛性部２０６を押して後方へスライドさせることにより、前側抜止部２０７と後側抜止部２０１の両方を取付板部１００ａの裏面に係止させるようになっており、かかるスライド操作時に非常に強力な押圧荷重を必要とするため、ロック部材２００の取付作業を容易に行うことが難しいという問題があった。 However, in the electronic device described in Patent Document 1, when the lock member 200 is attached to the attachment plate portion 100a of the housing 100, the front retaining portion 207 is inserted into the front opening portion 102 to be placed behind the attachment plate portion 100a. After being submerged, both the front retaining portion 207 and the rear retaining portion 201 are locked to the back surface of the mounting plate portion 100a by pushing the rigid portion 206 and sliding it backward. Since a very strong pressing load is required, there is a problem that it is difficult to easily perform the mounting operation of the lock member 200.
すなわち、図８（ｂ）に示すように、後側抜止部２０１を後側開口部１０３の内部に挿入した状態で、剛性部２０６を矢印Ｂ方向へ押してロック部材２００を後方へスライド移動させるとき、後側開口部１０３の後端エッジ部と後側抜止部２０１との当接部分に大きな摩擦力が発生すると共に、固定部２０３と係合突起１０１との摺動面にも大きな摩擦力が発生するため、押し治具等を用いて強力な荷重で剛性部２０６を矢印Ｂ方向へ押さないと、ロック部材２００を筐体１００の取付板部１００ａに取り付けることができなくなる。 That is, as shown in FIG. 8B, when the rigid member 206 is pushed in the direction of the arrow B and the lock member 200 is slid rearward with the rear retaining portion 201 inserted into the rear opening 103. In addition, a large frictional force is generated at the contact portion between the rear edge portion of the rear opening 103 and the rear retaining portion 201, and a large frictional force is also generated on the sliding surface between the fixing portion 203 and the engagement protrusion 101. Therefore, unless the rigid portion 206 is pushed in the direction of arrow B with a strong load using a pushing jig or the like, the lock member 200 cannot be attached to the mounting plate portion 100a of the housing 100.
本発明は、このような従来技術の実情に鑑みてなされたもので、その目的は、ロック部材の筐体に対する取付作業を容易に行うことができる電子機器を提供することにある。 The present invention has been made in view of such a state of the art, and an object of the present invention is to provide an electronic device that can easily perform an attaching operation of a lock member to a housing.
上記の目的を達成するために、本発明は、外側面に取付板部を有する箱形形状の筐体と、前記取付板部に出没自在に取り付けられる板ばねからなるロック部材とを備えた電子機器において、前記取付板部は、外側へ突出する係合突起と、前記係合突起を挟んで前後方向に離反した位置に設けられた前側開口部および後側開口部とを有し、前記ロック部材は、前記後側開口部の後側に位置する前記取付板部の裏面に当接可能な後側抜止部と、前記後側抜止部の前側から外方に向かって起立する立設部と、前記立設部の外側端部から前方に向かって延びる固定部と、前記固定部に形成されて前記係合突起に嵌合可能な位置決め孔と、前記固定部の前側から斜め前方に向かって延びる弾性変形部と、前記弾性変形部の前側から内方に向かって延びる剛性部と、前記剛性部の内側端部から前方に延びて前記前側開口部の前側に位置する前記取付板部の裏面に当接可能な前側抜止部とを有し、前記位置決め孔から前記後側抜止部の後端までの距離が前記係合突起から前記後側開口部の後端までの距離よりも大きく設定されていると共に、前記位置決め孔から前記前側抜止部の前端までの距離が前記係合突起から前記前側開口部の前端までの距離よりも大きく設定されており、かつ、前記立設部から前記前側抜止部の前端までの距離が前記後側開口部の後端から前記前側開口部の前端までの距離よりも小さく設定されていることを特徴としている。 In order to achieve the above object, the present invention provides an electronic device including a box-shaped housing having a mounting plate portion on an outer surface, and a lock member made of a leaf spring that is removably attached to the mounting plate portion. In the apparatus, the mounting plate portion includes an engagement protrusion protruding outward, and a front opening and a rear opening provided at positions separated in the front-rear direction across the engagement protrusion, and the lock The member includes a rear retaining portion that can contact the back surface of the mounting plate portion located on the rear side of the rear opening, and a standing portion that stands outward from the front side of the rear retaining portion. A fixing portion extending forward from the outer end of the standing portion, a positioning hole formed in the fixing portion and engageable with the engaging protrusion, and obliquely forward from the front side of the fixing portion. An elastically deforming portion that extends and extends inward from the front side of the elastically deforming portion And a front-side retaining portion that extends forward from the inner end of the rigid portion and can contact the back surface of the mounting plate portion that is located on the front side of the front-side opening. The distance from the rear end of the side retaining portion is set to be larger than the distance from the engagement protrusion to the rear end of the rear opening, and the distance from the positioning hole to the front end of the front retaining portion is The distance from the engagement protrusion to the front end of the front opening is set to be greater than the distance from the standing portion to the front end of the front retaining portion. It is characterized by being set smaller than the distance to the front end of the part.
このように構成された電子機器では、ロック部材の後側抜止部を取付板部の後側開口部に挿入した後に、前側抜止部を前側開口部の内方へ撓めた状態で前側にスライド移動することにより、後側抜止部と前側抜止部の両方を取付板部の裏側に係止させることができるが、その際に、取付板部の係合突起から前側抜止部の前端までの距離が長いため、軽い力で前側抜止部を前側開口部の内方へ撓めた状態で取付板部の裏側に潜り込ませることができる。 In the electronic apparatus configured as described above, after inserting the rear retaining portion of the lock member into the rear opening portion of the mounting plate portion, the front retaining portion is slid to the front side while being bent inward of the front opening portion. By moving, both the rear retaining part and the front retaining part can be locked to the back side of the mounting plate part. At that time, the distance from the engaging projection of the mounting plate part to the front end of the front retaining part Since it is long, it can be made to sneak into the back side of a mounting plate part in the state which bent the front side securing part inward of the front side opening part with light force.
上記の構成において、後側抜止部に半球状の突起が形成されていると共に、取付板部の裏面に突起と係脱可能な凹部が形成されていると、前側抜止部を取付板部の裏側に潜り込ませた状態で前側へスライド移動するとき、後側抜止部の突起が取付板部の裏面と点接触しながら摺動するため、当該部分に発生する摩擦力を低減することができる。 In the above configuration, when the rear retaining portion is formed with a hemispherical projection, and the rear surface of the mounting plate portion is formed with a recess that can be engaged with and disengaged from the projection, the front retaining portion is connected to the rear side of the mounting plate portion. When the slider slides forward, the projection of the rear retaining portion slides while making point contact with the back surface of the mounting plate portion, so that the frictional force generated in the portion can be reduced.
本発明の電子機器によれば、筐体の取付板部に対するロック部材の取付作業を容易に行うことができる。 According to the electronic device of the present invention, it is possible to easily perform the operation of attaching the lock member to the attachment plate portion of the housing.
発明の実施の形態について図面を参照して説明すると、図１と図２に示すように、本発明の実施形態例に係る電子機器は、内部に収納空間を有する箱形形状の筐体１と、この筐体の外側面の取付板部１ａに取り付けられたロック部材２とを備えており、筐体１の収納空間にはディスプレイ装置などの図示せぬ機構部品が収納されている。筐体１はコンソール等の図示せぬ設置母材の凹所内に設置されるようになっており、以下の説明では、筐体１を凹所内に挿入する方向を後、筐体１を凹所から引き抜く方向を前、筐体１の内部の収納空間側を内、筐体１の外方の外部空間側を外とし、これらの方向を図中に矢印で示してある。 An embodiment of the invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, an electronic apparatus according to an embodiment of the present invention includes a box-shaped housing 1 having a storage space therein. And a lock member 2 attached to the attachment plate portion 1a on the outer side surface of the housing. In the housing space of the housing 1, mechanism parts (not shown) such as a display device are housed. The casing 1 is installed in a recess of an installation base material (not shown) such as a console. In the following description, the casing 1 is recessed after the direction in which the casing 1 is inserted into the recess. The direction of pulling out from the front is the front, the storage space inside the housing 1 is inside, the outside space outside the housing 1 is outside, and these directions are indicated by arrows in the figure.
図２に示すように、筐体１の取付板部１ａには一対の係合突起３と前側開口部４および後側開口部５が設けられており、後側開口部５の後側には円形孔６が設けられている。前側開口部４と後側開口部５は係合突起３を挟んで前後方向に離反しており、これら係合突起３と後側開口部５の延長線上に円形孔６が配置されている。また、一対の係合突起３は前後方向に所定間隔を存して近接配置されており、これら係合突起３の前面と後面には上窄まり形状のテーパ３ａが付けられている。なお、後側開口部５の後端から前側開口部４の前端までの距離をＤ２、両係合突起３の中心から後側開口部５の後端までの距離をＤ４、両係合突起３の中心から前側開口部４の前端までの距離をＤ６とし、これらの距離Ｄ２，Ｄ４，Ｄ６を図２中に表記してある。 As shown in FIG. 2, the mounting plate 1 a of the housing 1 is provided with a pair of engaging projections 3, a front opening 4, and a rear opening 5, and on the rear side of the rear opening 5. A circular hole 6 is provided. The front opening 4 and the rear opening 5 are separated from each other in the front-rear direction with the engagement protrusion 3 interposed therebetween, and a circular hole 6 is disposed on an extension line of the engagement protrusion 3 and the rear opening 5. Further, the pair of engaging protrusions 3 are disposed close to each other with a predetermined interval in the front-rear direction, and an upper tapered taper 3 a is attached to the front and rear surfaces of these engaging protrusions 3. The distance from the rear end of the rear opening 5 to the front end of the front opening 4 is D2, and the distance from the center of both engagement protrusions 3 to the rear end of the rear opening 5 is D4. The distance from the center to the front end of the front opening 4 is D6, and these distances D2, D4, and D6 are shown in FIG.
ロック部材２はステンレス鋼や圧延銅などからなる板ばねを所定形状に折曲加工したものであり、図３〜図５に示すように、このロック部材２は、舌片状の後側抜止部７と、後側抜止部７の前側から外方に向かって起立する立設部８と、立設部８の外側端部から前方に向かって延びる固定部９と、固定部９の前側から外側斜め前方に向かって延びる弾性変形部１０と、弾性変形部１０の前方の幅方向両側から内方に向かって延びる一対の剛性部１１と、これら剛性部１１の内側端部から前方に延びる一対の前側抜止部１２とを有している。後側抜止部７には半球状の突起７ａが形成されており、この突起７ａは取付板部１ａに設けられた円形孔６と係合可能となっている。また、固定部９には一対の位置決め孔１３が前後方向に所定間隔を存して対向するように形成されており、両位置決め孔１３の間隔は筐体１の取付板部１ａに設けられた一対の係合突起３の間隔とほぼ同じに設定されている。 The lock member 2 is obtained by bending a leaf spring made of stainless steel, rolled copper or the like into a predetermined shape. As shown in FIGS. 3 to 5, the lock member 2 has a tongue-like rear retaining portion. 7, a standing portion 8 that rises outward from the front side of the rear retaining portion 7, a fixing portion 9 that extends forward from the outer end of the standing portion 8, and an outer side from the front side of the fixing portion 9 An elastic deformation portion 10 extending obliquely forward, a pair of rigid portions 11 extending inward from both widthwise front sides of the elastic deformation portion 10, and a pair of front portions extending forward from inner end portions of these rigid portions 11 And a front side retaining portion 12. A hemispherical projection 7a is formed on the rear retaining portion 7, and this projection 7a can be engaged with a circular hole 6 provided in the mounting plate portion 1a. In addition, a pair of positioning holes 13 are formed in the fixed portion 9 so as to face each other with a predetermined interval in the front-rear direction, and the interval between both positioning holes 13 is provided in the mounting plate portion 1 a of the housing 1. The distance between the pair of engaging protrusions 3 is set to be substantially the same.
なお、立設部８から前側抜止部１２の前端までの距離をＤ１、両位置決め孔１３の中心から後側抜止部７の後端までの距離をＤ３、位置決め孔１３の中心から前側抜止部１２の前端までの距離をＤ５とし、これらの距離Ｄ１，Ｄ３，Ｄ５を図５中に表記してある。 The distance from the standing portion 8 to the front end of the front retaining portion 12 is D1, the distance from the center of both positioning holes 13 to the rear end of the rear retaining portion 7 is D3, and the distance from the center of the positioning hole 13 to the front retaining portion 12 is. The distance to the front end is D5, and these distances D1, D3, and D5 are shown in FIG.
次に、このように構成されたロック部材２を筐体１の取付板部１ａに取り付ける組立手順について、図６を参照しつつ説明する。 Next, an assembly procedure for attaching the lock member 2 configured as described above to the attachment plate portion 1a of the housing 1 will be described with reference to FIG.
図６（ａ）に示すように、まず、ロック部材２の後側抜止部７を取付板部１ａの後側開口部５に対して前方から後方へ挿入することにより、後側抜止部７を取付板部１ａの裏側に潜り込ませる。 As shown in FIG. 6A, first, the rear retaining portion 7 is inserted by inserting the rear retaining portion 7 of the lock member 2 from the front to the rear with respect to the rear opening 5 of the mounting plate 1a. It sinks into the back side of the mounting plate 1a.
次に、図６（ｂ）に示すように、剛性部１１を矢印Ｐ方向へ押し込んで弾性変形部１０を内方へ撓ませながら、剛性部１１を矢印Ｑ方向へ押してロック部材２を前方へスライド移動させる。その際、弾性変形部１０は固定部９と係合突起３との当接箇所を支点として内側へ弾性変形し、両係合突起３の中心から前側抜止部１２の前端までの距離が長く設定されているため、剛性部１１を軽い力で矢印Ｐ方向へ押し込むことにより、前側抜止部１２を前側開口部４の内方へ簡単に撓めることができる。また、剛性部１１を矢印Ｐ方向へ押し込むと、それに伴って後側抜止部７が固定部９と係合突起３との当接箇所を支点に図中の反時計回りに回動するため、後側抜止部７の突起７ａが取付板部１ａの裏面に圧接される。 Next, as shown in FIG. 6B, while pushing the rigid portion 11 in the direction of arrow P to bend the elastic deformation portion 10 inward, the rigid portion 11 is pushed in the direction of arrow Q to move the lock member 2 forward. Move the slide. At that time, the elastically deforming portion 10 is elastically deformed inward with the contact portion between the fixing portion 9 and the engaging protrusion 3 as a fulcrum, and the distance from the center of both engaging protrusions 3 to the front end of the front side retaining portion 12 is set long. Therefore, by pushing the rigid portion 11 in the direction of the arrow P with a light force, the front side retaining portion 12 can be easily bent inward of the front side opening portion 4. When the rigid portion 11 is pushed in the direction of the arrow P, the rear retaining portion 7 rotates counterclockwise in the drawing with the contact portion between the fixing portion 9 and the engaging projection 3 as a fulcrum. The protrusion 7a of the rear retaining portion 7 is pressed against the back surface of the mounting plate portion 1a.
このようにしてロック部材２を前方へスライド移動させると、固定部９が係合突起３上を摺動しながら前方へ移動すると共に、突起７ａが取付板部１ａの裏面上を摺動しながら前方へ移動する。そして、図６（ｃ）に示すように、突起７ａが円形孔６に係合する位置までロック部材２を前方へスライド移動させると、固定部９に形成された位置決め孔１３が係合突起３に嵌まり込み、この時点で後側抜止部７と前側抜止部１２の両方が取付板部１ａの裏面に係合してロック部材２の組立作業が完了する。 When the lock member 2 is slid forward in this manner, the fixing portion 9 moves forward while sliding on the engaging projection 3, and the projection 7 a slides on the back surface of the mounting plate portion 1 a. Move forward. Then, as shown in FIG. 6C, when the lock member 2 is slid forward until the projection 7 a engages with the circular hole 6, the positioning hole 13 formed in the fixing portion 9 causes the engagement projection 3. At this time, both the rear retaining portion 7 and the front retaining portion 12 are engaged with the back surface of the mounting plate portion 1a, and the assembly work of the lock member 2 is completed.
ここで、筐体１の取付板部１ａに設けられた各部の寸法関係とロック部材２に形成された各部の寸法関係は、図６（ｃ）に表記されるように設定されている。すなわち、両位置決め孔１３の中心から後側抜止部７の後端までの距離Ｄ３は両係合突起３の中心から後側開口部５の後端までの距離Ｄ４よりも大きく設定されていると共に、両位置決め孔１３の中心から前側抜止部１２の前端までの距離Ｄ５が両係合突起３の中心から前側開口部４の前端までの距離Ｄ６よりも大きく設定されており、かつ、立設部８から前側抜止部１２の前端までの距離Ｄ１が後側開口部５の後端から前側開口部４の前端までの距離Ｄ２よりも小さく設定されている。 Here, the dimensional relationship of each part provided in the mounting plate part 1a of the housing 1 and the dimensional relationship of each part formed on the lock member 2 are set as shown in FIG. 6C. That is, the distance D3 from the center of the positioning holes 13 to the rear end of the rear retaining portion 7 is set to be larger than the distance D4 from the center of the engagement protrusions 3 to the rear end of the rear opening 5. The distance D5 from the center of both positioning holes 13 to the front end of the front side blocking portion 12 is set to be larger than the distance D6 from the center of both engaging projections 3 to the front end of the front side opening 4, and the standing portion The distance D1 from 8 to the front end of the front side retaining portion 12 is set to be smaller than the distance D2 from the rear end of the rear side opening 5 to the front end of the front side opening 4.
その結果、本実施形態例に係る電子機器では、ロック部材２の後側抜止部７を取付板部１ａの後側開口部５に挿入した後に、前側抜止部１２を前側開口部４の内方へ撓めた状態で前側にスライド移動することにより、後側抜止部７と前側抜止部１２の両方を取付板部１ａの裏側に係止させることができ、その際、位置決め孔１３の中心から前側抜止部１２の前端までの距離Ｄ５が長いため、軽い力で前側抜止部１２を前側開口部４の内方へ撓めた状態で取付板部１ａの裏側に潜り込ませることができる。 As a result, in the electronic apparatus according to the present embodiment, after the rear retaining portion 7 of the lock member 2 is inserted into the rear opening 5 of the mounting plate portion 1a, the front retaining portion 12 is placed inward of the front opening 4. By sliding to the front side in a bent state, both the rear side retaining portion 7 and the front side retaining portion 12 can be locked to the back side of the mounting plate portion 1a. Since the distance D5 to the front end of the front side retaining portion 12 is long, the front side retaining portion 12 can be made to enter the back side of the mounting plate portion 1a in a state where the front side retaining portion 12 is bent inwardly by the light force.
これに対し、図８に示した従来例の場合、ロック部材２００の位置決め孔２０４から後側抜止部２０１の後端までの距離Ｄ３が取付板部１００ａの係合突起１０１から後側開口部１０３の後端までの距離Ｄ４よりも大きく設定されていると共に、位置決め孔２０４から前側抜止部２０７の前端までの距離Ｄ５が係合突起１０１から前側開口部１０２の前端までの距離Ｄ６よりも大きく設定されているが、ロック部材２００の立設部２０２から前側抜止部２０７の前端までの距離Ｄ１が取付板部１００ａの後側開口部１０３の後端から前側開口部１０２の前端までの距離Ｄ２よりも大きく設定されているため、後側抜止部２０１を取付板部１００ａの裏側に潜り込ませる前に前側抜止部２０７を前側開口部１０２に挿入すると、立設部２０２が前側開口部１０２に当接して後側抜止部２０１を後側開口部５の内部に挿入することができなくなる。 On the other hand, in the case of the conventional example shown in FIG. 8, the distance D3 from the positioning hole 204 of the lock member 200 to the rear end of the rear retaining portion 201 is equal to the engagement protrusion 101 of the mounting plate portion 100a to the rear opening 103. The distance D4 from the positioning hole 204 to the front end of the front retaining portion 207 is set to be larger than the distance D6 from the engagement protrusion 101 to the front end of the front opening 102. However, the distance D1 from the standing portion 202 of the lock member 200 to the front end of the front retaining portion 207 is greater than the distance D2 from the rear end of the rear opening 103 of the mounting plate 100a to the front end of the front opening 102. Therefore, if the front retaining portion 207 is inserted into the front opening 102 before the rear retaining portion 201 is inserted into the back side of the mounting plate portion 100a, the standing portion 202 is It can not be inserted into the interior of the rear opening 5 of the rear retaining portion 201 abuts against the side opening 102.
また、本実施形態例に係る電子機器では、ロック部材２の後側抜止部７に半球状の突起７ａが形成されていると共に、取付板部１ａの裏面に突起７ａと係脱可能な凹部（円形孔６）が形成されているため、前側抜止部１２を取付板部１ａの裏側に潜り込ませた状態でロック部材２を前方へスライド移動するとき、突起７ａが取付板部１ａの裏面と点接触しながら摺動することで、当該部分に発生する摩擦力を低減することができる。さらに、一対の係合突起３の前面と後面に上窄まり形状のテーパ３ａが付けられているため、固定部９に形成された一対の位置決め孔１３を係合突起３にスムーズに嵌め込むことができ、この点からもロック部材２の組立作業を容易に行うことができる。 Further, in the electronic device according to the present embodiment, a hemispherical projection 7a is formed on the rear retaining portion 7 of the lock member 2, and a recess (which can be engaged with and disengaged from the projection 7a on the back surface of the mounting plate portion 1a). Since the circular hole 6) is formed, when the lock member 2 is slid forward while the front side retaining portion 12 is under the back of the mounting plate portion 1a, the protrusion 7a is pointed with the back surface of the mounting plate portion 1a. By sliding while contacting, the frictional force generated in the part can be reduced. Furthermore, since the front and rear surfaces of the pair of engaging protrusions 3 are tapered in a tapered shape, the pair of positioning holes 13 formed in the fixing portion 9 can be smoothly fitted into the engaging protrusions 3. From this point, the assembly work of the lock member 2 can be easily performed.
そして、ロック部材２が取り付けられた筐体１を設置母材の凹所内に挿入して固定する場合は、ロック部材２の弾性変形部１０が挿入途中で凹所の開口端に当接して内方へ撓められた後、さらなる挿入によって弾性変形部１０が元の突出姿勢に復帰して凹所内のブラケット等に係止されるため、筐体１を凹所内に挿入するだけで自動的に固定することができる。また、修理やメンテナンス時に筐体１を凹所から取り外す場合は、設置母材に設けられた治具挿入孔から治具を挿入して弾性変形部１０を内方へ撓めれば、弾性変形部１０とブラケットの係合が解除されるため、そのまま筐体１を凹所から抜き取ることができる。 When the housing 1 to which the lock member 2 is attached is inserted and fixed in the recess of the installation base material, the elastic deformation portion 10 of the lock member 2 is in contact with the opening end of the recess during the insertion. After being bent in the direction, the elastic deformation portion 10 returns to the original projecting posture by further insertion and is locked to the bracket or the like in the recess, so that it is automatically performed only by inserting the housing 1 into the recess. Can be fixed. Further, when removing the housing 1 from the recess for repair or maintenance, if the jig is inserted from the jig insertion hole provided in the installation base material and the elastic deformation part 10 is bent inward, the elastic deformation Since the engagement between the portion 10 and the bracket is released, the housing 1 can be extracted from the recess as it is.
なお、上記実施形態例では、筐体１の取付板部１ａに一対のテーパ３ａ付き係合突起３を設け、これら係合突起３にロック部材２の固定部９に形成した一対の位置決め孔１３を嵌め込むようにしているが、図７に示す変形例のように、従来例と同様の係合突起３を用いることも可能である。 In the embodiment described above, a pair of engaging projections 3 with a taper 3 a are provided on the mounting plate portion 1 a of the housing 1, and a pair of positioning holes 13 formed in the fixing portion 9 of the lock member 2 in these engaging projections 3. However, it is also possible to use the same engagement protrusion 3 as in the conventional example, as in the modification shown in FIG.
図７に示す変形例が上記実施形態例と相違する点は、筐体１の取付板部１ａに円柱状の係合突起３と前側開口部４および後側開口部５が設けられていると共に、ロック部材２の固定部９に円形状の位置決め孔１３が形成されていることにあり、それ以外の構成や組立順序は基本的に同様である。 The modification shown in FIG. 7 is different from the above embodiment in that the mounting plate portion 1a of the housing 1 is provided with a columnar engagement protrusion 3, a front opening 4 and a rear opening 5. The circular positioning hole 13 is formed in the fixing portion 9 of the lock member 2, and the other configuration and assembly order are basically the same.
したがって、図７に示す変形例においても、ロック部材２の後側抜止部７を取付板部１ａの後側開口部５に挿入した後に、前側抜止部１２を前側開口部４の内方へ撓めた状態で前側にスライド移動することにより、後側抜止部７と前側抜止部１２の両方を取付板部１ａの裏側に係止させることができ、その際、位置決め孔１３から前側抜止部１２の前端までの距離が長く設定されているため、軽い力で前側抜止部１２を前側開口部４の内方へ撓めた状態で取付板部１ａの裏側に潜り込ませることができる。 Therefore, also in the modification shown in FIG. 7, after the rear retaining portion 7 of the lock member 2 is inserted into the rear opening 5 of the mounting plate 1 a, the front retaining portion 12 is bent inward of the front opening 4. By sliding to the front side in the bent state, both the rear side blocking portion 7 and the front side blocking portion 12 can be locked to the back side of the mounting plate portion 1a. Since the distance to the front end is set to be long, the front retaining portion 12 can be sunk into the back side of the mounting plate portion 1a in a state where the front retaining portion 12 is bent inward of the front opening 4 with a light force.
１ 筐体
１ａ 取付板部
２ ロック部材
３ 係合突起
３ａ テーパ
４ 前側開口部
５ 後側開口部
６ 円形孔（凹部）
７ 後側抜止部
７ａ 突起
８ 立設部
９ 固定部
１０ 弾性変形部
１１ 剛性部
１２ 前側抜止部
１３ 位置決め孔
DESCRIPTION OF SYMBOLS 1 Case 1a Mounting plate part 2 Lock member 3 Engagement protrusion 3a Taper 4 Front side opening part 5 Rear side opening part 6 Circular hole (recessed part)
7 Rear retaining portion 7a Projection 8 Standing portion 9 Fixing portion 10 Elastic deformation portion 11 Rigid portion 12 Front retaining portion 13 Positioning hole
Claims (2)
前記取付板部は、外側へ突出する係合突起と、前記係合突起を挟んで前後方向に離反した位置に設けられた前側開口部および後側開口部とを有し、
前記ロック部材は、前記後側開口部の後側に位置する前記取付板部の裏面に当接可能な後側抜止部と、前記後側抜止部の前側から外方に向かって起立する立設部と、前記立設部の外側端部から前方に向かって延びる固定部と、前記固定部に形成されて前記係合突起に嵌合可能な位置決め孔と、前記固定部の前側から斜め前方に向かって延びる弾性変形部と、前記弾性変形部の前側から内方に向かって延びる剛性部と、前記剛性部の内側端部から前方に延びて前記前側開口部の前側に位置する前記取付板部の裏面に当接可能な前側抜止部とを有し、
前記位置決め孔から前記後側抜止部の後端までの距離Ｄ３が前記係合突起から前記後側開口部の後端までの距離Ｄ４よりも大きく設定されていると共に、前記位置決め孔から前記前側抜止部の前端までの距離Ｄ５が前記係合突起から前記前側開口部の前端までの距離Ｄ６よりも大きく設定されており、かつ、前記立設部から前記前側抜止部の前端までの距離Ｄ１が前記後側開口部の後端から前記前側開口部の前端までの距離Ｄ２よりも小さく設定されていることを特徴とする電子機器。 In an electronic apparatus comprising a box-shaped housing having a mounting plate portion on an outer surface, and a lock member made of a leaf spring that can be attached to and retracted from the mounting plate portion.
The mounting plate portion has an engagement protrusion protruding outward, and a front opening and a rear opening provided at positions separated in the front-rear direction across the engagement protrusion,
The lock member includes a rear retaining portion that can be in contact with the back surface of the mounting plate portion located on the rear side of the rear opening, and a standing structure that stands outward from the front side of the rear retaining portion. A fixing portion that extends forward from the outer end of the standing portion, a positioning hole that is formed in the fixing portion and can be fitted into the engaging protrusion, and obliquely forward from the front side of the fixing portion An elastic deformation portion extending inward, a rigid portion extending inward from the front side of the elastic deformation portion, and the mounting plate portion extending forward from an inner end portion of the rigid portion and positioned on the front side of the front opening portion A front-side retaining portion capable of contacting the back surface of the
A distance D3 from the positioning hole to the rear end of the rear retaining portion is set to be larger than a distance D4 from the engaging projection to the rear end of the rear opening, and the front retaining portion from the positioning hole. A distance D5 from the engaging projection to the front end of the front opening is set to be greater than a distance D6 from the engaging projection to the front end of the front side blocking portion. An electronic apparatus characterized in that it is set smaller than a distance D2 from the rear end of the rear opening to the front end of the front opening.
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| JPS6029907U (en) * | 1983-08-05 | 1985-02-28 | 日本ビクター株式会社 | Fixed structure of leaf spring |
| NL8303946A (en) * | 1983-11-17 | 1985-06-17 | Philips Nv | BUILT-IN DEVICE WITH A MOUNTING SPRING. |
| JP2982673B2 (en) * | 1995-12-22 | 1999-11-29 | 松下電器産業株式会社 | In-vehicle electronic device mounting device |
| DE10120109C1 (en) * | 2001-04-25 | 2002-06-27 | Harman Becker Automotive Sys | Car radio casing for inserting into a built-in frame or pocket has a stop spring on the left and right sides projecting from the casing and retracting into the casing when inserted. |
| JP2007091033A (en) * | 2005-09-28 | 2007-04-12 | Fujitsu Ten Ltd | Electronic device |
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