JP2009017329A - Antenna mounting apparatus - Google Patents
Antenna mounting apparatus Download PDFInfo
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- JP2009017329A JP2009017329A JP2007177986A JP2007177986A JP2009017329A JP 2009017329 A JP2009017329 A JP 2009017329A JP 2007177986 A JP2007177986 A JP 2007177986A JP 2007177986 A JP2007177986 A JP 2007177986A JP 2009017329 A JP2009017329 A JP 2009017329A
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- 210000000078 claw Anatomy 0.000 claims abstract description 45
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000036544 posture Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
Description
本発明は、車体のルーフ等にアンテナベースを取り付けるアンテナ取付装置に関するものである。 The present invention relates to an antenna attachment device for attaching an antenna base to a roof or the like of a vehicle body.
自動車用アンテナ装置を車体のルーフ等に取り付ける従来のアンテナ取付装置の構造の一例として、特開２００６−３４５２４５号公報に示されたものがある。この従来構造は、ルーフ等に穿設した取付孔に挿通できる係止部材に下方から頭部付きの取付ネジを嵌挿し、アンテナベースに下方から取付ネジの先端部を螺入し、取付ネジの螺入に伴い、係止部材の開口用腕部が折れ曲がり、この折れ曲がりによって係止部材の係止爪の先端を外方に拡げて取付孔の周縁部に臨ませ、ルーフ等の裏面に当接させてさらに食い込ませることで、係止部材を介してルーフ等とアンテナベースの電気的接続が確保されるように構成したものがある。
上記特許文献１に示された従来技術にあっては、開口用腕部の上端がアンテナベースに設けた当接部に当接して、上方と内方への移動が規制されているので、取付ネジの螺入で開口用腕部のく字状の折れ曲がりがさらに強く折れ曲げられる。そこで、アンテナベースに、車体等の取付孔に対してその取付位置を相対的にずらすような大きな力が外方から作用すると、開口用腕部の上端がその位置を規制している当接部から離れる虞があり、これに伴い係止爪の先端がさらに拡がり、ルーフ等への食い込みがなくなって、電気的接続が遮断される可能性がある。 In the prior art disclosed in Patent Document 1 above, the upper end of the opening arm portion is in contact with the contact portion provided on the antenna base, and the upward and inward movement is restricted. When the screw is screwed in, the bent portion of the opening arm is bent more strongly. Therefore, when a large force that moves the mounting position relative to the mounting hole of the vehicle body or the like is applied to the antenna base from the outside, the upper end of the opening arm portion regulates the position. As a result, the tip of the locking claw further expands and the bite into the roof or the like is lost, and the electrical connection may be interrupted.
本発明は、上述のごとき事情に鑑みてなされたもので、アンテナベースに、車体等の取付孔に対してその取付位置を相対的にずらすような大きな力が外方から作用しても、係止爪の先端がさらに拡がることがなく、電気的接続が確実に維持され得るアンテナ取付装置を提供することを目的とする。 The present invention has been made in view of the circumstances as described above. Even if a large force is applied to the antenna base from the outside so as to shift the mounting position relative to the mounting hole of the vehicle body or the like, An object of the present invention is to provide an antenna mounting device in which the tip end of the pawl does not further expand and the electrical connection can be reliably maintained.
かかる目的を達成するために、本発明のアンテナ取付装置は、車体に穿設した取付孔に挿通できる係止部材に下方から頭部付きの取付ネジを嵌挿し、アンテナベースに下方から前記取付ネジの先端部を螺入し、前記係止部材は、周縁部から上方に向けて複数の突起を突出し、前記突起を開口用腕部とするとともに前記突起の中央部分に上側を遊端部とする略コ字状の切り込みを設けて前記遊端部を係止爪とし、前記開口用腕部の前記切り込みの下端位置またはその少し上方に第１関節部を設けて断面が内側にく字状となるように折り曲げ、前記開口用腕部の上部に第２関節部を設けて断面が外側にく字状となるように折り曲げ、前記アンテナベースに前記開口用腕部の上端部を挿入して上方と内方および外方への移動を規制する係止溝を設け、前記取付ネジの締め付け螺入により前記開口用腕部の前記上端部が前記係止溝に挿入されるとともに前記第１関節部および第２関節部の断面のく字状がより深く折り曲げられることで前記突起の下部分を拡げ、この下部分が一体の前記係止爪の先端を外方に拡げて前記取付孔の周縁部に臨むように構成されている。 In order to achieve such an object, the antenna mounting device of the present invention is such that a mounting screw with a head is inserted from below into a locking member that can be inserted into a mounting hole formed in a vehicle body, and the mounting screw is mounted on the antenna base from below. The locking member protrudes a plurality of protrusions upward from the peripheral edge, and the protrusions are used as opening arm portions, and the upper side of the protrusion is the free end portion. A substantially U-shaped cut is provided, the free end is used as a locking claw, a first joint is provided at the lower end position of the cut of the opening arm or slightly above, and the cross section is inward The second joint portion is provided on the upper portion of the opening arm portion so that the cross-section is bent outward, and the upper end portion of the opening arm portion is inserted into the antenna base. And a locking groove that restricts inward and outward movement By tightening the mounting screw, the upper end portion of the opening arm portion is inserted into the locking groove, and the cross-sectional shapes of the first joint portion and the second joint portion are bent deeper. The lower part of the projection is expanded, and the lower part is configured to extend the tip of the integral locking claw outward and to face the peripheral edge of the mounting hole.
また、車体に穿設した取付孔に挿通できる係止部材に下方から頭部付きの取付ネジを嵌挿し、アンテナベースに下方から前記取付ネジの先端部を螺入し、前記係止部材は、周縁部から上方に向けて複数の突起を突出し、前記突起を下部分が一体で上部分が縦に２つに分割し、前記上部分の２つに分割した一方を開口用腕部とするとともに他方を前記開口用腕部より上方への長さが短い係止爪とし、前記開口用腕部の前記一体となる位置またその少し上方に第１関節部を設けて断面が内側にく字状となるように折り曲げ、前記開口用腕部の上部に第２関節部を設けて断面が外側にく字状となるように折り曲げ、前記アンテナベースに前記開口用腕部の上端部を挿入して上方と内方および外方への移動を規制する係止溝を設け、前記取付ネジの締め付け螺入により前記開口用腕部の前記上端部が前記係止溝に挿入されるとともに前記第１関節部および第２関節部の断面のく字状がより深く折り曲げられることで前記突起の下部分を拡げ、この下部分が一体の前記係止爪の先端を外方に拡げて前記取付孔の周縁部に臨むように構成しても良い。 Further, a mounting screw with a head is fitted from below into a locking member that can be inserted into a mounting hole formed in the vehicle body, and the tip of the mounting screw is screwed into the antenna base from below. A plurality of protrusions protrude upward from the peripheral edge, the protrusion is integrated with the lower part, the upper part is divided vertically into two, and one of the divided upper parts is used as an opening arm. The other side is a locking claw that is shorter than the opening arm, and the first joint is provided at the position where the opening arm is integrated or slightly above it. Bend so that the cross-section of the second arm is formed outwardly and insert the upper end of the arm for opening into the antenna base. A locking groove is provided to restrict the upward, inward and outward movement, and the mounting screw is tightened. The upper end portion of the opening arm portion is inserted into the locking groove by attachment screwing, and the cross-sectional shapes of the first joint portion and the second joint portion are bent deeper, thereby lowering the protrusion. A portion may be expanded, and the lower portion may be configured such that the tip of the integral locking claw is expanded outward to face the peripheral edge of the mounting hole.
そして、前記第１関節部および第２関節部を、肉厚を薄くする折り曲げ用溝を設けて構成することも可能である。 And it is also possible to provide the said 1st joint part and the 2nd joint part by providing the groove | channel for bending which makes thickness thin.
また、前記突起の一体の前記下部分から前記係止爪に渡ってリブを設けて、前記突起の前記下部分に対して前記係止爪が折れ曲がりにくく構成することも可能である。 It is also possible to provide a rib from the lower part of the protrusion integral to the locking claw so that the locking claw is not easily bent with respect to the lower part of the protrusion.
さらに、前記係止爪の上端部を、上方が凸状に尖った形状に構成することも可能である。 Furthermore, it is possible to configure the upper end of the locking claw in a shape with an upwardly sharp point.
請求項１および２記載のいずれのアンテナ取付装置にあっても、開口用腕部の上端部がアンテナベースに設けた係止溝に挿入されて外方への相対的な移動が規制されているので、アンテナベースに取付孔に対してその相対的な取付位置をずらすような大きな力が外方から作用しても、開口用腕部の上端部はアンテナベースから離れることなくその相対的な位置が変化せず、その姿勢が維持されて、係止爪がさらに開くようなことがない。もって、車体等への係止爪の食い込みが維持できて、電気的接続が確実に維持され得る。 In any one of the antenna mounting devices according to claim 1 and 2, the upper end of the opening arm is inserted into a locking groove provided in the antenna base, and relative movement to the outside is restricted. Therefore, even if a large force that shifts the relative mounting position of the antenna base with respect to the mounting hole acts from the outside, the upper end of the opening arm portion does not move away from the antenna base. Does not change, the posture is maintained, and the locking claw does not open further. Accordingly, the engagement of the locking claws into the vehicle body or the like can be maintained, and the electrical connection can be reliably maintained.
請求項３記載のアンテナ取付装置にあっては、肉厚を薄くする折り曲げ用溝を設けて第１関節部および第２関節部を構成しているので、取付ネジの締め付けにより第１関節部と第２関節部の位置で確実に折り曲げることができる。しかも、第１関節部と第２関節部を折り曲げる力が小さくて足り、取付ネジの締め付けが容易である。 In the antenna mounting device according to claim 3, since the first joint portion and the second joint portion are configured by providing the bending groove for reducing the thickness, the first joint portion and the first joint portion are tightened by tightening the mounting screw. It can be reliably bent at the position of the second joint. Moreover, the force required to bend the first joint and the second joint is small, and the mounting screw can be easily tightened.
請求項４記載のアンテナ取付装置にあっては、係止部材の周縁部から突出させた突起の一体の下部分から係止爪に渡ってリブを設けているので、このリブによる機械的強度の増強で、突起の下部分に対して係止爪が折れ曲がり難く、車体等に確実に食い込むことができる。 In the antenna mounting device according to the fourth aspect, since the rib is provided across the locking claw from the integral lower portion of the protrusion protruding from the peripheral edge of the locking member, the mechanical strength of the rib is increased. By the reinforcement, the locking claw is not easily bent with respect to the lower portion of the protrusion, and can be surely bitten into the vehicle body or the like.
請求項５記載のアンテナ取付装置にあっては、係止爪の上端部が上方に凸状に尖った形状であるので、車体の塗装面を容易に破って板金にまで確実に食い込むことができる。 In the antenna mounting device according to claim 5, since the upper end portion of the locking claw has a shape that is convex upward, the painted surface of the vehicle body can be easily broken to reliably bite into the sheet metal. .
以下、本発明の第１実施例を図１ないし図８を参照して説明する。図１は、本発明のアンテナ取付装置の第１実施例を分解した正面図である。図２は、本発明のアンテナ取付装置の第１実施例で用いる係止部材の平面図である。図３は、図２の係止部材の開口用腕部の部分を拡大した正面図である。図４は、図１に示す第１実施例のアンテナ取付装置を取付孔に上方から挿入して取付ネジを締め付けていない状態の正面図である。図５は、図１に示す第１実施例のアンテナ取付装置を取付孔に上方から挿入して取付ネジを締め付け螺入させて、係止爪を車体に食い込ませた状態の正面図である。図６は、図４の状態の縦断面図である。図７は、図４から図５への取付ネジの締め込み螺入の途中の状態の縦断面図である。図８は、図５の状態の縦断面図である。 Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an exploded front view of a first embodiment of an antenna mounting apparatus according to the present invention. FIG. 2 is a plan view of a locking member used in the first embodiment of the antenna mounting apparatus of the present invention. 3 is an enlarged front view of the opening arm portion of the locking member of FIG. FIG. 4 is a front view showing a state where the antenna mounting device of the first embodiment shown in FIG. 1 is inserted into the mounting hole from above and the mounting screw is not tightened. FIG. 5 is a front view of a state in which the antenna mounting device of the first embodiment shown in FIG. 1 is inserted into the mounting hole from above, the mounting screw is tightened and screwed into the vehicle body. 6 is a longitudinal sectional view of the state of FIG. FIG. 7 is a longitudinal sectional view showing a state in the middle of tightening and screwing the mounting screw from FIG. 4 to FIG. 5. FIG. 8 is a longitudinal sectional view of the state of FIG.
本発明のアンテナ取付装置の第１実施例において、アンテナベース１０は、従来のアンテナ取付装置と同様に、その上側に図示しないケースが設けられ、このケース内に増幅回路等が適宜に収容配設され、またケースに図示しないアンテナエレメントの基端部が固定される。そして、アンテナベース１０の下側には、図示しないゴムパッキン部材が配設されて、車体１２に当接されて取付孔１２ａに配置される。 In the first embodiment of the antenna mounting apparatus of the present invention, the antenna base 10 is provided with a case (not shown) on the upper side thereof, similarly to the conventional antenna mounting apparatus, and an amplifier circuit and the like are appropriately accommodated in the case. In addition, a base end portion of an antenna element (not shown) is fixed to the case. A rubber packing member (not shown) is disposed below the antenna base 10 and is in contact with the vehicle body 12 and disposed in the mounting hole 12a.
そして、アンテナベース１０は、導電金属で形成され、下面に平面が略正方形でその四隅が面取されたごとき形状の凸部１０ａが設けられ、この凸部１０ａの中央に外形が円柱状の円柱部１０ｂが設けられ、その中央で上下方向に雌ネジ１０ｃが螺設される。また、凸部１０ａの略正方形の４つの側方の周面に、下端面から上方に途中まで設けた規制溝１０ｄ、１０ｄ…が設けられ、この規制溝１０ｄ、１０ｄ…の上端面に、さらに上方に深く穿設された係止溝１０ｅ、１０ｅ…が設けられる。 The antenna base 10 is formed of a conductive metal, and a lower surface is provided with a convex portion 10a having a substantially square plane and its four corners chamfered, and a cylindrical column having an outer shape at the center of the convex portion 10a. A portion 10b is provided, and a female screw 10c is screwed up and down at the center thereof. In addition, restriction grooves 10d, 10d,... Provided on the four side surfaces of the substantially square side of the convex portion 10a are provided halfway upward from the lower end surface, and further on the upper end surfaces of the restriction grooves 10d, 10d,. Locking grooves 10e, 10e,... Deeply drilled upward are provided.
また、本発明のアンテナ取付装置の第１実施例の係止部材２０は、導電金属板で形成され、下側に円形の底部を有し、この底部の周縁部から上方に向けて４つの突起を突出させ、これらの突起の中央部が、下側が突起に連結され上側が遊端部となるように略コ字状の切り込みが入れられて、この遊端部が係止爪２０ａ、２０ａ…とされ、その先端が上方に凸状に尖って形成される。突起は、開口用腕部２０ｂ、２０ｂ…とされ、略コ字状の切り込みの下端位置またはそれより少し上方の位置で内面側に肉厚を薄くする折り曲げ用溝を形成して第１関節部２０ｃ、２０ｃ…を設け、この第１関節部２０ｃ、２０ｃ…を折れ線として内側にく字状に少し折れ曲げる。さらに、開口用腕部２０ｂ、２０ｂ…の上部に外面側に肉厚を薄くする折り曲げ用溝を形成して第２関節部２０ｄ、２０ｄ…を設け、この第２関節部２０ｄ、２０ｄ…を折れ線として外側にく字状に少し折れ曲げる。そして、底部の中央には、取付ネジ挿通孔２０ｅが穿設される。かかる形状の係止部材２０は、アンテナベース１０の凸部１０ａの平面寸法を超えないように設定されている。また、アンテナベース１０の凸部１０ａの周面に設けられる規制溝１０ｄ、１０ｄ…に、開口用腕部２０ｂ、２０ｂ…が幅方向寸法でほぼ嵌合されるように挿入されて、取付ネジ１８の締め付け回転方向への移動が規制されるように設定される。さらに、アンテナベース１０の係止溝１０ｅ、１０ｅ…に、開口用腕部２０ｂ、２０ｂ…の上端部が挿入されて、その上端部が上方と内方および外方への移動が規制されるように設定される。また、突起の略コ字状の切り込みの下端位置より下側の一体化されている下部分から上方の係止爪２０ａ、２０ａ…に渡って、打ち出しによるリブ２０ｆ、２０ｆ…を設けて、係止爪２０ａ、２０ａ…の折り曲げ強度を大きなものとしている。 The locking member 20 of the first embodiment of the antenna mounting device of the present invention is formed of a conductive metal plate, has a circular bottom on the lower side, and has four protrusions upward from the peripheral edge of the bottom. And the center of these protrusions is cut into a substantially U-shape so that the lower side is connected to the protrusion and the upper side is the free end, and the free ends are connected to the locking claws 20a, 20a. And the tip of the tip is formed to be convex upward. The projections are opening arm portions 20b, 20b,..., And the first joint portion is formed by forming a bending groove on the inner surface side at the lower end position of the substantially U-shaped notch or a position slightly above it. 20c, 20c ... are provided, and the first joint portions 20c, 20c,... Further, a bending groove for reducing the wall thickness is formed on the outer surface side at the upper part of the opening arm portions 20b, 20b ... to provide second joint portions 20d, 20d ..., and the second joint portions 20d, 20d ... are bent lines. Fold out and bend a little to the outside. A mounting screw insertion hole 20e is formed in the center of the bottom. The locking member 20 having such a shape is set so as not to exceed the planar dimension of the convex portion 10 a of the antenna base 10. Further, the opening arm portions 20b, 20b,... Are inserted into the restriction grooves 10d, 10d,... Provided on the peripheral surface of the convex portion 10a of the antenna base 10 so as to be substantially fitted in the width direction dimension. It is set so that movement in the tightening rotation direction is restricted. Further, the upper end portions of the opening arm portions 20b, 20b,... Are inserted into the locking grooves 10e, 10e,... Of the antenna base 10 so that the upper end portions are restricted from moving upward, inward and outward. Set to Also, ribs 20f, 20f,... Are formed by striking from the integrated lower part below the lower end position of the substantially U-shaped notch of the protrusion to the upper locking claws 20a, 20a,. The bending strength of the pawls 20a, 20a... Is increased.
さらに、取付ネジ１８は、導電金属で形成され、平面六角形の頭部１８ａを備え、この頭部１８ａのネジ棒側に、フランジ部１８ｂが形成される。 Further, the mounting screw 18 is made of a conductive metal and includes a flat hexagonal head portion 18a. A flange portion 18b is formed on the screw rod side of the head portion 18a.
アンテナの取付にあっては、アンテナベース１０と係止部材２０および取付ネジ１８が、車体１２の取付孔１２ａに組み付けられる。まず、係止部材２０の取付ネジ挿通孔２０ｅに、下方から取付ネジ１８を挿通し、取付ネジ１８の先端部をアンテナベース１０の雌ネジ１０ｃに螺入させて一体化される。ここで、取付ネジ１８を適宜な長さだけ螺入させると、係止部材２０の開口用腕部２０ｂ、２０ｂ…の上端部が、アンテナベース１０に設けた係止溝１０ｅ、１０ｅ…の上端面に当接する。かかる状態では、係止溝１０ｅ、１０ｅ…により開口用腕部２０ｂ、２０ｂ…の上端部が上方と内方および外方のいずれにも移動が規制され、また規制溝１０ｄ、１０ｄ…により開口用腕部２０ｂ、２０ｂ…が取付ネジ１８の締め付け回転方向への移動が規制される。 In mounting the antenna, the antenna base 10, the locking member 20, and the mounting screw 18 are assembled in the mounting hole 12 a of the vehicle body 12. First, the mounting screw 18 is inserted into the mounting screw insertion hole 20 e of the locking member 20 from below, and the tip of the mounting screw 18 is screwed into the female screw 10 c of the antenna base 10 to be integrated. Here, when the mounting screw 18 is screwed in an appropriate length, the upper ends of the opening arm portions 20b, 20b,... Of the locking member 20 are located above the locking grooves 10e, 10e,. Abuts against the end face. In this state, movement of the upper ends of the opening arms 20b, 20b,... Is restricted upward, inward, and outward by the locking grooves 10e, 10e,. The arms 20b, 20b,... Are restricted from moving in the tightening rotation direction of the mounting screw 18.
かかる一体化されたアンテナベース１０と係止部材２０および取付ネジ１８を、車体１２に穿設された取付孔１２ａに、図４に示すごとく、上方から挿入する。この取付孔１２ａは、アンテナベース１０の凸部１０ａの平面寸法より僅かに大きな寸法に設定されている。かかる状態にあっては、図６に示すごとく、係止爪２０ａ、２０ａ…は、拡がっていない。そして、かかる状態から、取付ネジ１８を締め付けると、まず図７に示すごとく、係止溝１０ｅ、１０ｅ…の上端面により、係止部材２０の開口用腕部２０ｂ、２０ｂ…の上端部が上方への移動を規制されるため、開口用腕部２０ｂ、２０ｂ…には上方からの圧縮方向の力が作用する。ここで、開口用腕部２０ｂ、２０ｂ…の上端部は、係止溝１０ｅ、１０ｅ…により内方および外方への移動が規制されているので、第１関節部２０ｃ、２０ｃ…および第２関節部２０ｄ、２０ｄ…の断面く字状の折れ曲がりがさらに強く折れ曲がり、係止部材２０の突起が拡げられる。この突起の拡がりに伴い、下部分が一体化されて形成された係止爪２０ａ、２０ａ…も拡げられ、その先端部が取付孔１２ａの周縁部に臨む状態となる。さらなる取付ネジ１８の締め付けにより、図８に示すごとく、開口用腕部２０ｂ、２０ｂ…は第１関節部２０ｃ、２０ｃ…および第２関節部２０ｄ、２０ｄ…の断面く字状の折れ曲がりがさらに一層強く折れ曲がり、係止部材２０の突起がさらに拡げられる。この突起のさらなる拡がりに伴い、係止爪２０ａ、２０ａ…もさらに拡げられ、その先端部も取付孔１２ａのさらに外側の周縁部に臨むとともに尖った先端部が車体１２の裏面の塗装面を破って板金に食い込む。最終的には、係止部材２０の底部がアンテナベース１０の円柱部１０ｂの下端面と取付ネジ１８のフランジ部１８ｂに挟まれて、これ以上の取付ネジ１８の締め付け螺入ができない状態となる。この取付ネジ１８の締め付け螺入ができない状態となる前の適宜な状態で、係止爪２０ａ、２０ａ…の先端が取付孔１２ａの周縁部の車体１２の裏面に当接して食い込むように設定することは勿論である。この係止爪２０ａ、２０ａ…の先端が車体１２に食い込むためには、係止爪２０ａ、２０ａ…が容易に折れ曲がれない必要がある。そこで、リブ２０ｆ、２０ｆ…を設けたことで、係止爪２０ａ、２０ａ…の機械的強度が増大して、食い込みが良くなる。また、係止爪２０ａ、２０ａ…の先端を尖らせることでも、食い込みが良くなる。 As shown in FIG. 4, the integrated antenna base 10, the locking member 20, and the mounting screw 18 are inserted into the mounting hole 12a formed in the vehicle body 12 from above. The mounting hole 12 a is set to a size slightly larger than the planar size of the convex portion 10 a of the antenna base 10. In this state, as shown in FIG. 6, the locking claws 20a, 20a... Are not expanded. When the mounting screw 18 is tightened from this state, first, as shown in FIG. 7, the upper end portions of the opening arm portions 20b, 20b,. , The force in the compression direction from above acts on the opening arm portions 20b, 20b. Here, the upper end portions of the opening arm portions 20b, 20b,... Are restricted from moving inward and outward by the locking grooves 10e, 10e, etc., so the first joint portions 20c, 20c,. The bending of the joints 20d, 20d... In a cross-sectional shape is further strongly bent, and the protrusion of the locking member 20 is expanded. As the protrusions expand, the locking claws 20a, 20a... Formed by integrating the lower portions are also expanded, and the tip ends thereof face the peripheral edge of the mounting hole 12a. By further tightening the mounting screw 18, as shown in FIG. 8, the opening arm portions 20b, 20b... Are further bent in a cross-sectional shape of the first joint portions 20c, 20c... And the second joint portions 20d, 20d. It bends strongly and the protrusion of the locking member 20 is further expanded. As the protrusion further expands, the locking claws 20a, 20a,... Are further expanded, and the tip end faces the outer peripheral edge of the mounting hole 12a, and the pointed tip breaks the painted surface on the back surface of the vehicle body 12. Bite into the sheet metal. Eventually, the bottom portion of the locking member 20 is sandwiched between the lower end surface of the columnar portion 10b of the antenna base 10 and the flange portion 18b of the mounting screw 18 so that the mounting screw 18 cannot be further tightened and screwed. . It is set so that the tips of the locking claws 20a, 20a,... Come into contact with the back surface of the vehicle body 12 at the peripheral edge of the mounting hole 12a in an appropriate state before the mounting screw 18 cannot be screwed. Of course. In order for the tips of the latching claws 20a, 20a ... to bite into the vehicle body 12, the latching claws 20a, 20a ... need not be easily bent. Therefore, by providing the ribs 20f, 20f..., The mechanical strength of the locking claws 20a, 20a. Further, the biting can be improved by sharpening the tips of the locking claws 20a, 20a.
かかる構成の第１実施例にあっては、係止爪２０ａ、２０ａ…が車体１２に食い込んだ締め付け状態においても、開口用腕部２０ｂ、２０ｂ…の上端部はアンテナベース１０の係止溝１０ｅ、１０ｅ…により上方と内方および外方のいずれにも移動が規制されている。そこで、アンテナベース１０に車体１２の取付孔１２ａに対してその取付位置を相対的にずらすような大きな力が外方から作用しても、アンテナベース１０に対して開口用腕部２０ｂ、２０ｂ…の上端部の相対的な位置が変化せず、開口用腕部２０ｂ、２０ｂ…の強く折り曲げられた状態の姿勢が変化せずに維持される。そこで、係止爪２０ａ、２０ａ…の姿勢も変化せず、係止爪２０ａ、２０ａ…がさらに開いて車体１２への食い込みがなくなるようなことがない。したがって、係止部材２０を介しての車体１２とアンテナベース１０の電気的接続が確実に維持され得る。 In the first embodiment having such a configuration, even when the locking claws 20a, 20a... Are bitten into the vehicle body 12, the upper ends of the opening arms 20b, 20b. 10e... Is restricted from moving upward, inward and outward. Therefore, even if a large force that moves the mounting position of the antenna base 10 relative to the mounting hole 12a of the vehicle body 12 from the outside acts on the antenna base 10, the opening arm portions 20b, 20b,. The relative positions of the upper end portions of the opening arm portions 20b, 20b,... Are kept unchanged without changing their relative positions. Therefore, the postures of the locking claws 20a, 20a,... Do not change, and the locking claws 20a, 20a,. Therefore, the electrical connection between the vehicle body 12 and the antenna base 10 via the locking member 20 can be reliably maintained.
次に、本発明の第２実施例を図９を参照して説明する。図９は、本発明のアンテナ取付装置の第２実施例で用いる係止部材の正面図である。図９において、図１ないし図８と同じまたは均等な部材には同じ符号を付けて重複する説明を省略する。 Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 9 is a front view of a locking member used in the second embodiment of the antenna mounting apparatus of the present invention. 9, the same or equivalent members as in FIGS. 1 to 8 are denoted by the same reference numerals, and redundant description is omitted.
第２実施例で用いる係止部材４０は、導電金属板で形成され、下側に円形の底部を有し、この底部の周縁部から上方に向けて４つの突起を突出させ、これらの突起に上縁部から下方に向けて途中までの切り込みが設けられ、下部分が一体で上部分が縦割りで２つに分割される。この２つに分割された一方を係止爪４０ａとし、他方が開口用腕部４０ｂとされる。係止爪４０ａは先端が上方に凸状に尖って形成され、また上方への長さは、開口用腕部４０ｂの長さより短く設定される。そして、開口用腕部４０ｂは、切り込みの下端位置またはそれより少し上方の位置で内面側に肉厚を薄くする折り曲げ用溝を設けて第１関節部４０ｃ、４０ｃ…を設け、この第１関節部４０ｃ、４０ｃ…を折れ線として内側にく字状に少し折れ曲げる。さらに、開口用腕部４０ｂ、４０ｂ…の上部に外面側に肉厚を薄くする折り曲げ用溝を設けて第２関節部４０ｄ、４０ｄ…を設け、この第２関節部４０ｄ、４０ｄ…を折れ線として外側にく字状に少し折れ曲げる。係止部材４０の底部の中央には、第１実施例と同様に、取付ネジ挿通孔が穿設され、係止部材４０の平面寸法がアンテナベース１０の凸部１０ａの平面寸法を超えないように設定されている。なお、アンテナベース１０の凸部１０ａの周面に設けられる規制溝１０ｄ、１０ｄ…および開口用腕部４０ｂ、４０ｂ…の上端部が挿入される係止溝１０ｅ、１０ｅ…は、第２の実施例の係止部材４０に応じて適宜に設けることは勿論である。さらに、切り込みの下端位置より下側の一体化されている下部分から上方の係止爪４０ａ、４０ａ…に渡って、打ち出しによるリブ４０ｆ、４０ｆ…を設けて、係止爪４０ａ、４０ａ…の折り曲げ強度を大きなものすることも、第１実施例と同様である。 The locking member 40 used in the second embodiment is formed of a conductive metal plate and has a circular bottom portion on the lower side. Four protrusions protrude upward from the peripheral edge of the bottom portion. A notch is provided from the upper edge part to the middle, and the lower part is integrated and the upper part is divided into two parts. One of the two parts is a locking claw 40a, and the other is an opening arm 40b. The locking claw 40a is formed so that the tip is pointed upward and convex, and the upward length is set shorter than the length of the opening arm 40b. The opening arm portion 40b is provided with first joint portions 40c, 40c... By providing a bending groove for reducing the thickness on the inner surface side at the lower end position of the incision or a position slightly above it. The portions 40c, 40c,... Are bent inward and bent a little in a square shape. Further, a bending groove for reducing the wall thickness is provided on the outer surface side at the upper part of the opening arm portions 40b, 40b,... To provide second joint portions 40d, 40d, and the second joint portions 40d, 40d,. Bend slightly in the shape of a circle on the outside. As in the first embodiment, a mounting screw insertion hole is formed in the center of the bottom of the locking member 40 so that the planar dimension of the locking member 40 does not exceed the planar dimension of the convex portion 10a of the antenna base 10. Is set to Are provided on the peripheral surface of the convex portion 10a of the antenna base 10 and the locking grooves 10e, 10e,... Into which the upper ends of the opening arm portions 40b, 40b,. Of course, it is provided appropriately according to the locking member 40 of the example. Further, ribs 40f, 40f,... Are formed by punching from the integrated lower part below the lower end position of the cut to the upper locking claws 40a, 40a, so that the locking claws 40a, 40a,. Increasing the bending strength is the same as in the first embodiment.
なお、上記第１実施例および第２実施例のいずれにあっても、係止爪２０ａ、２０ａ…、４０ａ、４０ａ…は、それぞれに４本設けられているが、係止爪の本数はこれに限られるものでない。アンテナベース１０を車体１２に電気的導通させるためには係止爪は１本以上あれば良い。そして、取付孔１２ａの周縁部に略均等分割位置に当接するように３本以上の係止爪が設けられれば、係止爪が車体１２の裏面に当接して食い込む際に、車体１２に対してアンテナベース１０を傾かせるように回動させる方向の力を作用させることなく固定させることができ、車体１２に歪みを生じさせる虞がない。また、係止爪２０ａ、２０ａ…、４０ａ、４０ａ…により、アンテナベース１０を車体１２に電気的導通させる必要がないならば、係止部材２０、４０は導電性である必要はなく適宜に塑性変形できるものであれば良い。 In each of the first embodiment and the second embodiment, four locking claws 20a, 20a,..., 40a, 40a,. It is not limited to. In order to electrically connect the antenna base 10 to the vehicle body 12, one or more locking claws are sufficient. If three or more locking claws are provided at the peripheral edge portion of the mounting hole 12a so as to be in contact with the substantially equal division position, the locking claw is brought into contact with the back surface of the vehicle body 12 and bites into the vehicle body 12. Thus, the antenna base 10 can be fixed without applying a force in a direction to rotate the antenna base 10, and there is no possibility of causing distortion in the vehicle body 12. Further, if it is not necessary to electrically connect the antenna base 10 to the vehicle body 12 by the locking claws 20a, 20a,..., 40a, 40a, etc., the locking members 20, 40 do not need to be conductive and are appropriately plasticized. Anything that can be deformed is acceptable.
１０ アンテナベース
１０ａ 凸部
１０ｂ 円柱部
１０ｃ 雌ネジ
１０ｄ 規制溝
１０ｅ 係止溝
１２ 車体
１２ａ 取付孔
１８ 取付ネジ
１８ａ 頭部
１８ｂ フランジ部
２０、４０ 係止部材
２０ａ、４０ａ 係止爪
２０ｂ、４０ｂ 開口用腕部
２０ｃ、４０ｃ 第１関節部
２０ｄ、４０ｄ 第２関節部
２０ｅ 取付ネジ挿通孔
DESCRIPTION OF SYMBOLS 10 Antenna base 10a Convex part 10b Cylindrical part 10c Female screw 10d Restriction groove 10e Locking groove 12 Car body 12a Mounting hole 18 Mounting screw 18a Head 18b Flange part 20, 40 Locking member 20a, 40a Locking claw 20b, 40b For opening Arm portion 20c, 40c First joint portion 20d, 40d Second joint portion 20e Mounting screw insertion hole
Claims (5)
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| JP2007177986A JP4919292B2 (en) | 2007-07-06 | 2007-07-06 | Antenna mounting device |
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| JP2007177986A JP4919292B2 (en) | 2007-07-06 | 2007-07-06 | Antenna mounting device |
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| JP4919292B2 JP4919292B2 (en) | 2012-04-18 |
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| JP2011247296A (en) * | 2010-05-24 | 2011-12-08 | Mitsumi Electric Co Ltd | Fixing device |
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| WO2018096918A1 (en) * | 2016-11-24 | 2018-05-31 | 株式会社ヨコオ | Antenna attaching component and antenna device |
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| EP2624362B1 (en) * | 2012-02-01 | 2019-11-06 | Hirschmann Car Communication GmbH | Antenna arrangement and method for operating such an antenna arrangement |
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| JP6053728B2 (en) * | 2014-08-14 | 2016-12-27 | 原田工業株式会社 | Roof mount antenna mounting structure |
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