JP6527407B2 - Antenna device - Google Patents

Antenna device Download PDF

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Publication number
JP6527407B2
JP6527407B2 JP2015132757A JP2015132757A JP6527407B2 JP 6527407 B2 JP6527407 B2 JP 6527407B2 JP 2015132757 A JP2015132757 A JP 2015132757A JP 2015132757 A JP2015132757 A JP 2015132757A JP 6527407 B2 JP6527407 B2 JP 6527407B2
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housing
plate portion
antenna device
ground plate
pair
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JP2017017544A (en
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亨 山本
亨 山本
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Tyco Electronics Japan GK
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Tyco Electronics Japan GK
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Priority to JP2015132757A priority Critical patent/JP6527407B2/en
Priority to CN201610500379.1A priority patent/CN106329058B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors

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  • Waveguide Aerials (AREA)

Description

本発明は、カーナビゲーション等の情報機器に搭載されるアンテナ装置に関する。   The present invention relates to an antenna device mounted on an information device such as a car navigation.

近年においては、情報機器であるカーナビゲーションにアンテナ装置を搭載し、外部機器であるスマートフォンや携帯電話と無線で接続し、データ通信が行われるようになってきている。
ここで、カーナビゲーションにアンテナ装置を搭載するに際しては、カーナビゲーションの筐体にアンテナ装置の接地板部を取り付け、これにより電気的な接地と機械的な固定を行うようにしているのが一般的である。 In recent years, an antenna device is mounted on a car navigation as an information device, and data communication is performed by wirelessly connecting to an external device such as a smartphone or a mobile phone.
Here, when the antenna device is mounted on a car navigation, it is general that the ground plate portion of the antenna device is attached to a car navigation case to thereby perform electrical grounding and mechanical fixing. It is.

一方、無線データ通信に用いられるアンテナ装置を被係止体に係止する技術として、例えば、特許文献１に示すアンテナ装置が知られている。
特許文献１に示すアンテナ装置は、アンテナ部と、アンテナ部に係止されたクリップ部とを備えている。このクリップ部は、互いに対向して離間して配置される第１の部位及び第２の部位を、弾性を有する第３の部位で連結して構成されている。 On the other hand, as a technique for locking an antenna device used for wireless data communication to a locked body, for example, an antenna device shown in Patent Document 1 is known.
The antenna device shown in Patent Document 1 includes an antenna unit and a clip unit engaged with the antenna unit. The clip portion is configured by connecting a first portion and a second portion, which are disposed to be opposite to each other, at a third portion having elasticity.

そして、クリップ部の第１の部位と第２の部位との間の間隔を広げ、両者間に被係止体が入り込むようにクリップ部を被係止体に挿入する。これにより、クリップ部の第１の部位と第２の部位とで被係止体を挟み込み、第３の部位の弾性力が作用してアンテナ装置が被係止体に取り付けられる。   Then, the distance between the first portion and the second portion of the clip portion is increased, and the clip portion is inserted into the locked body such that the locked body is inserted between the two. Thus, the locked body is sandwiched between the first portion and the second portion of the clip portion, and the elastic force of the third portion acts to attach the antenna device to the locked body.

特開２００５−２２３４７６号公報JP 2005-223476 A

しかしながら、この従来の特許文献１に示したアンテナ装置にあっては、以下の問題点があった。
即ち、クリップ部における第１の部位が変形する際の支点は被係止体への挿入向きの手前側にあり、第１の部位はその支点から当該挿入向きの奥側に向けて当該挿入向きに延びている。また、クリップ部における第２の部位が変形する際の支点は被係止体への挿入向きの奥側にあり、第２の部位はその支点から当該挿入向きの手前に向けて当該挿入向きとは逆向きに延びている。このため、第１の部位及び第２の部位は、被係止体へ挿入する際に、被係止体への挿入向き及びその逆向きの双方で定義される挿入方向に沿って変形する。従って、クリップ部において、被係止体への挿入方向の寸法を小さくすることができない。 However, the antenna apparatus shown in the conventional patent document 1 has the following problems.
That is, the fulcrum when the first portion in the clip portion is deformed is on the near side of the insertion direction to the locked body, and the first portion is directed from the fulcrum to the far side of the insertion direction It extends to In addition, the fulcrum when the second part in the clip part is deformed is on the back side of the insertion direction into the body to be locked, and the second part is from the fulcrum toward the front of the insertion direction and the insertion direction Extend in the opposite direction. Therefore, when the first portion and the second portion are inserted into the body to be locked, the first portion and the second portion deform along the insertion direction defined by both the insertion direction to the body to be locked and the opposite direction. Therefore, in the clip portion, the dimension in the insertion direction to the engaged body can not be reduced.

また、被係止体をクリップ部の第１の部位と第２の部位との間に挟み込んだ際におけるクリップ部の固定強度は、第３の部位の弾性力のみに依存しており、当該固定強度が低い。このため、クリップ部に振動、衝撃等によって過大な外力が作用した場合には、第１の部位と第２の部位との間の間隔が広がり、アンテナ装置全体が被係止体から外れてしまうことがある。
従って、本発明はこれら従来の問題点を解決するためになされたものであり、その目的は、情報機器の筐体への挿入方向の寸法を小さくするとともに、当該筐体に対する固定強度を高くしたアンテナ装置を提供することにある。 In addition, the fixing strength of the clip portion when the body to be locked is sandwiched between the first portion and the second portion of the clip portion depends only on the elastic force of the third portion, Low strength. For this reason, when an excessive external force acts on the clip portion due to vibration, impact or the like, the distance between the first portion and the second portion widens, and the entire antenna device is detached from the locked body Sometimes.
Therefore, the present invention has been made to solve these conventional problems, and its object is to reduce the dimension in the insertion direction of the information device to the housing and to increase the fixing strength to the housing. An object of the present invention is to provide an antenna device.

上記目的を達成するために、本発明の一態様に係るアンテナ装置は、情報機器の筐体へ挿入されて取り付けられるアンテナ装置であって、前記筐体への挿入向き及びその逆向きの双方で定義される挿入方向に沿う前後方向及び該前後方向と直交する左右方向に延びる矩形平板状の接地板部と、該接地板部の前後方向一縁から延びる放射エレメント部とを備え、前記接地板部が、１対の左右側縁のそれぞれから左右方向中央に向けて延びて前記筐体の左右側縁のそれぞれを弾性的に把持する１対の把持部と、前記筐体へラッチするラッチ部とを備えていることを要旨とする。   In order to achieve the above object, an antenna device according to an aspect of the present invention is an antenna device inserted and attached to a housing of an information device, wherein the insertion direction to the housing and the opposite direction are both The ground plate includes: a rectangular flat ground plate portion extending in the front-rear direction along the insertion direction defined and the left-right direction orthogonal to the front-rear direction; and a radiation element portion extending from one front-rear direction edge of the ground plate portion A pair of grips extending from each of the pair of left and right side edges toward the center in the left and right direction to elastically grip each of the left and right side edges of the case, and a latch portion latching to the case And to provide a summary.

本発明に係るアンテナ装置によれば、接地板部が、１対の左右側縁のそれぞれから左右方向中央に向けて延びて筐体の左右側縁近傍のそれぞれを弾性的に把持する１対の把持部を備えている。このため、筐体への挿入方向と直交する左右方向から１対の把持部によって筐体を把持するので、情報機器の筐体への挿入方向の寸法を小さくしたアンテナ装置を提供することができる。
また、接地板部が、筐体へラッチするラッチ部を備えているので、当該筐体に対する固定強度を高くすることができる。 According to the antenna device of the present invention, the ground plate portion extends from the pair of left and right side edges toward the center in the left-right direction, and elastically holds each of the vicinity of the left and right side edges of the housing. It has a grip. For this reason, since the housing is gripped by the pair of grips from the left and right direction orthogonal to the insertion direction into the housing, it is possible to provide an antenna device in which the dimension in the insertion direction of the information device into the housing is reduced. .
Further, since the ground plate portion is provided with the latch portion that latches to the housing, the fixing strength to the housing can be increased.

本発明の一実施形態に係るアンテナ装置をカーナビゲーション（情報機器）の筐体とともに示す斜視図である。It is a perspective view showing an antenna device concerning one embodiment of the present invention with a case of car navigation (information equipment). 図１に示すアンテナ装置を筐体へ取付けた状態を正面斜め上方から見た斜視図である。It is the perspective view which looked at the state which attached the antenna apparatus shown in FIG. 1 to the housing | casing from the diagonally upper front. 図２の正面図である。It is a front view of FIG. 図１に示すアンテナ装置を筐体へ取付けた状態を背面斜め下方から見た斜視図である。It is the perspective view which looked at the state which attached the antenna apparatus shown in FIG. 1 to the housing | casing from the diagonally lower back. 図３における矢印５で示す部分の拡大図である。It is an enlarged view of the part shown by the arrow 5 in FIG.

以下、本発明の実施の形態を図面を参照して説明する。
図１には、本発明の一実施形態に係るアンテナ装置１が情報機器としてのカーナビゲーション（情報機器）の筐体４０とともに示されている。筐体４０は、導電性金属板で形成される板状部材であり、一縁から突出する突出板部４１を備えている。突出板部４１は、平面から見て矩形状を有し、左右方向（図１における矢印Ｄで示す方向）に左側縁４２及び右側縁４３を備えている。左側縁４２及び右側縁４３は、後述する筐体４０への挿入方向（図１における矢印Ｃ方向）に沿って延びている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In FIG. 1, an antenna device 1 according to an embodiment of the present invention is shown together with a casing 40 of a car navigation (information device) as an information device. The housing 40 is a plate-like member formed of a conductive metal plate, and includes a protruding plate portion 41 protruding from one edge. The projecting plate portion 41 has a rectangular shape when viewed from a plane, and includes a left edge 42 and a right edge 43 in the left-right direction (the direction indicated by the arrow D in FIG. 1). The left side edge 42 and the right side edge 43 extend along the insertion direction (the direction of the arrow C in FIG. 1) into the housing 40 described later.

アンテナ装置１は、板状のいわゆる逆Ｆ型アンテナと呼ばれるもので、図１乃至図５に示すように、筐体４０の突出板部４１に挿入されて取り付けられる。アンテナ装置１は、接地板部１０と、放射エレメント部２０とを備えている。アンテナ装置１は、導電性金属板を打ち抜き及び曲げ加工することにより一体に形成されている。
ここで、接地板部１０は、前後方向及び左右方向に延びる矩形平板状の板部である。接地板部１０の前後方向は、筐体４０への挿入向き（図１における矢印Ａで示す向き）及びその逆向き（図１における矢印Ｂで示す向き）の双方で定義される挿入方向（図１における矢印Ｃで示す方向）に沿っている。また、接地板部１０の左右方向は、前後方向と直交する方向（図１における矢印Ｄで示す方向）である。接地板部１０は、アンテナ装置１が筐体４０の突出板部４１に取り付けられると、アンテナ装置１を筐体４０に対して接地する電気的な機能と、アンテナ装置１を筐体４０に対して機械的に固定する機能とを果たす。 The antenna device 1 is called a plate-like so-called inverted F-type antenna, and as shown in FIGS. 1 to 5, the antenna device 1 is inserted into and attached to the projecting plate portion 41 of the housing 40. The antenna device 1 includes a ground plate portion 10 and a radiation element portion 20. The antenna device 1 is integrally formed by punching and bending a conductive metal plate.
Here, the ground contact plate portion 10 is a rectangular flat plate portion extending in the front-rear direction and the left-right direction. The front and back direction of the ground plate portion 10 is an insertion direction (the direction shown by the arrow A in FIG. 1) and the opposite direction (the direction shown by the arrow B in FIG. 1). 1) in the direction indicated by the arrow C). Further, the left-right direction of the ground plate portion 10 is a direction (direction indicated by an arrow D in FIG. 1) orthogonal to the front-rear direction. The ground plate portion 10 has an electrical function of grounding the antenna device 1 with respect to the housing 40 and the antenna device 1 with respect to the housing 40 when the antenna device 1 is attached to the projecting plate portion 41 of the housing 40. Perform the mechanical fixing function.

また、接地板部１０は、１対の左右側縁１１、１２のそれぞれから左右方向中央に向けて延びて突出板部４１の左右側縁４２、４３近傍のそれぞれを弾性的に把持する１対の把持部１３、１４を備えている。即ち、接地板部１０は、左側縁１１に把持部１３を備え、右側縁１２に把持部１４を備えている。そして、左側の把持部１３は、左側縁１１から左右方向中央に向けて延びて突出板部４１の左側縁４２の近傍を弾性的に把持する。また、右側の把持部１４は、右側縁１２から左右方向中央に向けて延びて突出板部４１の右側縁４３の近傍を弾性的に把持する。   Further, ground plate portion 10 extends from the pair of left and right side edges 11 and 12 toward the center in the left and right direction, and elastically holds each of the vicinity of left and right side edges 42 and 43 of projecting plate portion 41 The grips 13, 14 are provided. That is, the ground plate portion 10 is provided with the gripping portion 13 at the left side edge 11 and the gripping portion 14 at the right side edge 12. The left gripping portion 13 extends from the left edge 11 toward the center in the left-right direction, and elastically grips the vicinity of the left edge 42 of the projecting plate portion 41. Further, the right grip portion 14 extends from the right edge 12 toward the center in the left-right direction, and elastically grips the vicinity of the right edge 43 of the projecting plate portion 41.

ここで、右側の把持部１４の具体的な形状について、図５を参照して詳細に説明する。
右側の把持部１４は、接地板部１０の右側縁１２から左右方向中央へ上側が凸となる向きに湾曲する第１湾曲部１４ａを備えている。また、当該把持部１４は、第１湾曲部１４ａの先端から、第１湾曲部１４ａの湾曲向きと逆向き、即ち下側が凸となる向きに湾曲する第２湾曲部１４ｂとを備えている。右側の把持部１４は、その後端（筐体４０側の端）が接地板部１０の後端と一致し、前端が接地板部１０の前端よりもやや後側の位置となるように前後方向（矢印Ｃで示す挿入方向）に延びている。 Here, the specific shape of the grip portion 14 on the right side will be described in detail with reference to FIG.
The grip portion 14 on the right side includes a first bending portion 14 a that is curved so that the upper side is convex from the right side edge 12 of the ground contact plate portion 10 to the center in the left-right direction. Further, the grip portion 14 includes a second bending portion 14b which is curved in a direction opposite to the bending direction of the first bending portion 14a, that is, a direction in which the lower side is convex from the tip end of the first bending portion 14a. The right grip portion 14 has a rear end (an end on the housing 40 side) aligned with the rear end of the ground plate 10 and a front end located slightly behind the front end of the ground plate 10 in the front-rear direction It extends in the insertion direction (indicated by arrow C).

一方、左側の把持部１３は、右側の把持部１４と対称形状をなし、接地板部１０の左側縁１１から左右方向中央へ上側が凸となる向きに湾曲する第１湾曲部１３ａを備えている。また、当該把持部１３は、第１湾曲部１３ａの先端から、第１湾曲部１３ａの湾曲向きと逆向き、即ち下側が凸となる向きに湾曲する第２湾曲部１３ｂとを備えている。左側の把持部１３も、その後端が接地板部１０の後端と一致し、前端が接地板部１０の前端よりもやや後側の位置となるように前後方向に延びている。   On the other hand, the left grip 13 has a symmetrical shape with the right grip 14 and is provided with a first curved portion 13a curved in a direction such that the upper side is convex from the left edge 11 of the ground plate 10 to the center in the left-right direction There is. Moreover, the said holding part 13 is equipped with the 2nd curved part 13b curved in the direction opposite to the curve direction of the 1st curved part 13a, ie, the direction from which the lower side becomes convex, from the tip of the 1st curved part 13a. The left grip portion 13 also extends in the front-rear direction such that the rear end thereof coincides with the rear end of the ground plate portion 10 and the front end thereof is positioned slightly behind the front end of the ground plate portion 10.

そして、接地板部１０と右側の第２湾曲部１４ｂ及び左側の第２湾曲部１３ｂとの間に突出板部４１が入り込むようにアンテナ装置１を筐体４０の突出板部４１に挿入する。すると、それぞれの第２湾曲部１３ｂ、１４ｂが突出板部４１の上面の左右側縁近傍に摺接して接地板部１０との間で突出板部４１の左右側縁近傍を把持する。
また、接地板部１０は、筐体４０の突出板部４１へラッチするラッチ部１６を備えている。このラッチ部１６は、図１に示すように、接地板部１９の左右方向略中央部に配置された弾性アーム１６ａと、弾性アーム１６ａの上面に設けられたラッチ突起１６ｂとを備えている。弾性アーム１６ａは、接地板部１０の左右方向略中央部に上下方向貫通するように形成されたスリット１７によって形成される。弾性アーム１６ａは、固定端から筐体４０への挿入向き（矢印Ａで示す向き）と逆向き（矢印Ｂで示す向き）に延びる片持ち梁状に形成される。ラッチ突起１６ｂは、弾性アーム１６ａの中央付近を切り起こして形成され、アンテナ装置１を筐体４０の突出板部４１に挿入した際に、突出板部４１に設けられた係止穴４４に係止する。 Then, the antenna device 1 is inserted into the projecting plate portion 41 of the housing 40 so that the projecting plate portion 41 is inserted between the ground plate portion 10 and the second curved portion 14b on the right side and the second curved portion 13b on the left side. Then, the second curved portions 13 b and 14 b slide near the left and right side edges of the upper surface of the protruding plate portion 41 and grip the vicinity of the left and right side edges of the protruding plate portion 41 with the ground plate portion 10.
Further, the ground plate portion 10 is provided with a latch portion 16 that latches to the projecting plate portion 41 of the housing 40. As shown in FIG. 1, the latch portion 16 includes an elastic arm 16a disposed substantially at the center of the ground plate 19 in the left-right direction, and a latch projection 16b provided on the upper surface of the elastic arm 16a. The elastic arm 16 a is formed by a slit 17 formed in a substantially central portion in the left-right direction of the ground plate portion 10 so as to penetrate vertically. The elastic arm 16a is formed in a cantilever shape extending in the opposite direction (direction indicated by the arrow B) and the insertion direction (direction indicated by the arrow A) from the fixed end to the housing 40. The latch projection 16 b is formed by cutting and raising near the center of the elastic arm 16 a, and when the antenna device 1 is inserted into the projecting plate portion 41 of the housing 40, the latch projection 16 b engages with the locking hole 44 provided in the projecting plate portion 41. Stop.

また、放射エレメント部２０は、接地板部１０の前縁からから下方に延びる連結板部１８を介して、その連結板部１８の下端から前方に延びている。放射エレメント部２０は、板状放射素子として機能するように略平板状に形成される。この放射エレメント部２０には、給電ケーブルとしての同軸ケーブル３０の芯線３０ａが半田接続される。また、同軸ケーブル３０の編組線３０ｂは、連結板部１８に半田接続されて接地板部１０に電気的に接続される。そして、同軸ケーブル３０は、同軸ケーブル３０を介して送受信の制御を行う図示しない制御装置に接続されている。   Further, the radiation element portion 20 extends forward from the lower end of the connection plate portion 18 via the connection plate portion 18 extending downward from the front edge of the ground plate portion 10. The radiation element portion 20 is formed in a substantially flat shape so as to function as a plate-like radiation element. The core 30 a of the coaxial cable 30 as a feeding cable is soldered to the radiation element portion 20. The braided wire 30 b of the coaxial cable 30 is soldered to the connection plate 18 and electrically connected to the ground plate 10. The coaxial cable 30 is connected to a control device (not shown) that controls transmission and reception via the coaxial cable 30.

次に、筐体４０の突出板部４１へのアンテナ装置１の取付方法について説明する。
アンテナ装置１を突出板部４１に取り付けるには、接地板部１０と右側の第２湾曲部１４ｂ及び左側の第２湾曲部１３ｂとの間に突出板部４１が入り込むように、アンテナ装置１を矢印Ａで示す挿入向きで突出板部４１に挿入する。この際に、それぞれの第２湾曲部１３ｂ、１４ｂが突出板部４１の上面の左右側縁近傍に摺接し、第１湾曲部１３ａ、１４ａがやや上方に変位する。そして、第２湾曲部１３ｂ、１４ｂと接地板部１０との間で突出板部４１の左右側縁近傍を把持する。この際の把持力は、各把持部１３、１４の弾性力により決定される。各把持部１３、１４の弾性力は、突出板部４１の板厚と第２湾曲部１３ｂ、１４ｂ及び接地板部１０の上面間の当初ギャップとの差及び第１湾曲部１３ａ、１４ａの形状により決定される。突出板部４１の板厚と当初ギャップとの差は、第２湾曲部１３ｂ、１４ｂの上方向への変位量に等しい。 Next, a method of attaching the antenna device 1 to the projecting plate portion 41 of the housing 40 will be described.
In order to attach the antenna device 1 to the projecting plate portion 41, the antenna device 1 is mounted so that the projecting plate portion 41 is inserted between the ground plate portion 10 and the second curved portion 14b on the right side and the second curved portion 13b on the left side. It inserts in the protrusion board part 41 by the insertion direction shown by arrow A. FIG. At this time, the respective second curved portions 13b, 14b come into sliding contact with the vicinity of the left and right side edges of the upper surface of the projecting plate portion 41, and the first curved portions 13a, 14a displace slightly upward. Then, the vicinity of the left and right side edges of the protruding plate portion 41 is gripped between the second curved portions 13 b and 14 b and the ground plate portion 10. The gripping force at this time is determined by the elastic force of each gripping portion 13, 14. The elastic force of each of the grips 13 and 14 is the difference between the thickness of the projecting plate 41 and the initial gap between the second curved portions 13 b and 14 b and the upper surface of the ground plate 10 and the shape of the first curved portions 13 a and 14 a. Determined by The difference between the plate thickness of the protruding plate portion 41 and the initial gap is equal to the amount of upward displacement of the second curved portions 13 b and 14 b.

また、アンテナ装置１を突出板部４１に挿入する際には、ラッチ部１６を構成するラッチ突起１６ｂが突出板部４１の先端の下縁に当接して弾性アーム１６ａが下方に変位する。そして、ラッチ突起１６ｂが係止穴４４まで到達すると、弾性アーム１６ａが元の位置に復帰し、ラッチ突起１６ｂが係止穴４４に入り込んで係止する。これにより、アンテナ装置１が突出板部４１に固定され、アンテナ装置１の引き抜きが阻止される。   When the antenna device 1 is inserted into the projecting plate portion 41, the latch protrusion 16b constituting the latch portion 16 abuts on the lower edge of the tip of the projecting plate portion 41, and the elastic arm 16a is displaced downward. Then, when the latch projection 16 b reaches the locking hole 44, the elastic arm 16 a returns to the original position, and the latch projection 16 b enters the locking hole 44 and locks. Thereby, the antenna device 1 is fixed to the projecting plate portion 41, and the antenna device 1 is prevented from being pulled out.

このように、本実施形態に係るアンテナ装置１によれば、接地板部１０が、１対の左右側縁１１、１２のそれぞれから左右方向中央に向けて延びて突出板部４１の左右側縁近傍のそれぞれを弾性的に把持する１対の把持部１３、１４を備えている。このため、筐体４０への挿入方向（矢印Ｃで示す方向）と直交する左右方向（矢印Ｄで示す方向）から１対の把持部１３、１４によって突出板部４１を把持する。これにより、カーナビゲーションの筐体４０への挿入方向の寸法を小さくしたアンテナ装置１を提供することができる。   As described above, according to the antenna device 1 according to the present embodiment, the ground plate portion 10 extends from the pair of left and right side edges 11 and 12 toward the center in the left-right direction, and the left and right side edges of the protruding plate portion 41 A pair of grips 13 and 14 elastically grip each of the vicinity is provided. Therefore, the projecting plate portion 41 is gripped by the pair of gripping portions 13 and 14 from the left-right direction (direction shown by the arrow D) orthogonal to the insertion direction (direction shown by the arrow C) into the housing 40. Thus, it is possible to provide the antenna device 1 in which the size in the insertion direction of the car navigation into the housing 40 is reduced.

また、接地板部１０は、筐体４０の突出板部４１へラッチするラッチ部１６を備えている。このため、筐体４０の突出板部４１に対する固定強度を、１対の把持部１３、１４で把持する把持力のみによってアンテナ装置１を固定する場合よりも、高くすることができる。
また、１対の把持部１３、１４のそれぞれは、接地板部１０の１対の左右側縁１１、１２のそれぞれから左右方向中央へ上側が凸となる向きに湾曲する第１湾曲部１３ａ、１４ａを備えている。このため、各把持部１３、１４の把持力を決定する各把持部１３、１４の弾性力を、簡易な湾曲形状を用いて決定することができる。また、湾曲形状を用いることで、各把持部１３、１４におけるばね長を長くすることができ、各把持部１３、１４が容易に塑性変形することを阻止することができる。 Further, the ground plate portion 10 is provided with a latch portion 16 that latches to the projecting plate portion 41 of the housing 40. Therefore, the fixing strength of the casing 40 to the protruding plate portion 41 can be made higher than in the case of fixing the antenna device 1 only by the gripping force gripped by the pair of gripping portions 13 and 14.
In addition, each of the pair of grips 13 and 14 is a first curved portion 13a curved in a direction such that the upper side is convex from the pair of left and right side edges 11 and 12 of the ground plate 10 to the center in the horizontal direction It is equipped with 14a. For this reason, the elastic force of each holding part 13 and 14 which determines the holding force of each holding part 13 and 14 can be determined using a simple curved shape. Further, by using the curved shape, the spring length in each of the grips 13 and 14 can be increased, and the plastic deformation of each grip 13 and 14 can be prevented easily.

更に、１対の把持部１３、１４のそれぞれは、第１湾曲部１３ａ、１４ａの先端から第１湾曲部１３ａ、１４ａの湾曲向きと逆向きに湾曲する第２湾曲部１３ｂ、１４ｂを備えている。そして、第２湾曲部１３ｂ、１４ｂが筐体４０の突出板部４１に当接して接地板部１０との間で突出板部４１を把持する。このため、湾曲した第２湾曲部１３ｂ、１４ｂが筐体４０の突出板部４１に接触するから、当該突出板部４１が損傷しにくい。   Furthermore, each of the pair of gripping portions 13 and 14 includes second bending portions 13 b and 14 b that are curved in the direction opposite to the bending direction of the first bending portions 13 a and 14 a from the tip of the first bending portions 13 a and 14 a There is. Then, the second curved portions 13 b and 14 b abut on the projecting plate portion 41 of the housing 40 and grip the projecting plate portion 41 with the ground plate portion 10. For this reason, since the curved 2nd curved parts 13b and 14b contact the projecting board part 41 of the housing | casing 40, the said projecting board part 41 does not damage easily.

また、ラッチ部１６は、接地板部１０の左右方向略中央部に配置され、固定端から挿入向きとは逆向きに延びる片持ち梁状の弾性アーム１６ａを備えている。このため、ラッチ部１６の形状を、挿入方向においてコンパクトな形状で実現することができる。
また、アンテナ装置１は、接地板部１０に設けられた１対の把持部１３、１４によって筐体４０の突出板部４１の左右側縁近傍を弾性的に把持することにより、当該突出板部４１に取り付けられる。このため、アンテナ装置１の筐体４０への取付けにねじを必要とせず、部品点数の削減及びねじ締め工数の削減を実現することができる。 The latch portion 16 is provided at a substantially central portion in the left-right direction of the ground plate portion 10, and includes a cantilevered elastic arm 16a extending from the fixed end in the direction opposite to the insertion direction. Therefore, the shape of the latch portion 16 can be realized in a compact shape in the insertion direction.
Further, the antenna device 1 elastically holds the vicinity of the left and right side edges of the projecting plate portion 41 of the housing 40 by the pair of gripping portions 13 and 14 provided on the ground plate portion 10, thereby the projecting plate portion Attached to 41 For this reason, a screw | thread is not required for attachment to the housing | casing 40 of the antenna apparatus 1, and reduction of a number of parts and reduction of a screw-fastening man-hour can be implement | achieved.

また、各把持部１３、１４の弾性力は、突出板部４１の板厚と第２湾曲部１３ｂ、１４ｂ及び接地板部１０の上面間の当初ギャップとの差及び第１湾曲部１３ａ、１４ａの形状により決定される。このため、当該当初ギャップと第１湾曲部１３ａ、１４ａの形状の管理を行うことにより、各把持部１３、１４の弾性力の管理を行うことができる。
以上、本発明の実施形態を説明してきたが、本発明はこれに限定されずに種々の変更、改良を行うことができる。 The elastic force of each of the grips 13 and 14 is the difference between the thickness of the projecting plate 41 and the initial gap between the second curved portions 13 b and 14 b and the upper surface of the ground plate 10 and the first curved portions 13 a and 14 a. It is determined by the shape of Therefore, by managing the initial gap and the shapes of the first bending portions 13a and 14a, it is possible to manage the elastic forces of the gripping portions 13 and 14.
Although the embodiments of the present invention have been described above, the present invention is not limited thereto, and various changes and improvements can be made.

例えば、アンテナ装置１は、筐体４０の突出板部４１に取り付けられる場合のみならず、左右側縁のある筐体４０の他の部分に取り付けられるようにしてもよい。例えば、筐体４０に挿入方向（矢印Ｃで示す方向）に沿って延びる１対の溝を形成しておき、それら１対の溝間の筐体部分にアンテナ装置１を取り付けられるようにしてもよい。その場合、アンテナ装置１を１対の溝間の筐体部分に挿入する際に、各把持部１３、１４が溝に入り込み、１対の溝間の筐体部分の左右側縁近傍のそれぞれを弾性的に把持するようにする。   For example, the antenna device 1 may be attached not only to the case of being attached to the projecting plate portion 41 of the case 40 but also to another part of the case 40 having left and right side edges. For example, a pair of grooves extending in the insertion direction (direction indicated by arrow C) may be formed in the housing 40, and the antenna device 1 may be attached to the housing portion between the pair of grooves. Good. In that case, when the antenna device 1 is inserted into the housing portion between the pair of grooves, the grips 13 and 14 enter the grooves, and the vicinity of the left and right side edges of the housing portion between the pair of grooves is Make it resiliently gripped.

また、各把持部１３、１４の形状は、左側縁１１及び右側縁１２のそれぞれから左右方向中央に向けて延びて突出板部４１（前述の場合、１対の溝間の筐体部分）の左右側縁近傍のそれぞれを弾性的に把持するものであればよい。このため、各把持部１３、１４は、必ずしも第１湾曲部１３ａ、１４ａ及び第２湾曲部１３ｂ、１４ｂを備えていなくてもよい。   Further, the shape of each of the grips 13 and 14 extends from the left side edge 11 and the right side edge 12 toward the center in the left-right direction to form a protruding plate portion 41 (in the above case, a housing portion between a pair of grooves) What is necessary is to elastically hold each of the vicinity of the left and right side edges. For this reason, each holding part 13 and 14 does not necessarily need to be equipped with 1st curved part 13a, 14a and 2nd curved part 13b, 14b.

また、ラッチ部１６は、突出板部４１（前述の場合、１対の溝間の筐体部分）へラッチする接地板部１０のいずれかの位置に配置されていればよく、接地板部１０の左右方向略中央部に配置されている必要は必ずしもない。また、ラッチ部１６は、固定端から挿入向きと逆向き（矢印Ｂで示す向き）に延びる片持ち梁状の弾性アーム１６ａ及びラッチ突起１６ｂとで構成する必要は必ずしもない。例えば、筐体４０側に突起を設け、ラッチ部１６側にその突起が入り込む係止穴を形成するようにしてもよい。   In addition, the latch portion 16 may be disposed at any position of the ground plate portion 10 that latches to the protruding plate portion 41 (in the above case, the housing portion between the pair of grooves). It does not necessarily have to be disposed at the substantially central portion in the left-right direction of. In addition, the latch portion 16 does not necessarily have to be constituted by the cantilevered elastic arm 16a and the latch projection 16b extending in the direction opposite to the insertion direction (the direction indicated by the arrow B) from the fixed end. For example, a protrusion may be provided on the housing 40 side, and a locking hole into which the protrusion is inserted may be formed on the latch portion 16 side.

また、アンテナ装置１は、カーナビゲーション以外のコンピュータ等の情報機器の筐体に取り付けられてもよい。   Also, the antenna device 1 may be attached to the housing of an information device such as a computer other than car navigation.

１ アンテナ装置
１０ 接地板部
１１ 左側縁
１２ 右側縁
１３，１４ 把持部
１３ａ，１４ａ 第１湾曲部
１３ｂ，１４ｂ 第２湾曲部
１６ ラッチ部
１６ａ 弾性アーム
１６ｂ ラッチ突起
２０ 放射エレメント部
４０ 筐体
４１ 突出板部 DESCRIPTION OF SYMBOLS 1 antenna apparatus 10 grounding plate part 11 left side edge 12 right side edge 13, 14 holding part 13a, 14a 1st curved part 13b, 14b 2nd curved part 16 latch part 16a elastic arm 16b latch protrusion 20 radiation | emission element part 40 housing 41 protrusion Plate

Claims (3)

情報機器の筐体へ挿入されて取り付けられるアンテナ装置であって、
前記筐体への挿入向き及びその逆向きの双方で定義される挿入方向に沿う前後方向及び該前後方向と直交する左右方向に延びる矩形平板状の接地板部と、該接地板部の前後方向一縁から延びる放射エレメント部とを備え、
前記接地板部が、１対の左右側縁のそれぞれから左右方向中央に向けて延びて前記筐体の左右側縁近傍のそれぞれを弾性的に把持する１対の把持部と、前記筐体へラッチするラッチ部とを備えていることを特徴とするアンテナ装置。 An antenna device inserted and attached to a housing of an information device, the antenna device comprising:
A rectangular flat ground plate portion extending in the front-rear direction along the insertion direction defined by both the insertion direction into the housing and the opposite direction and the left-right direction orthogonal to the front-rear direction; And a radiation element portion extending from one edge,
The ground plate portion extends from each of a pair of left and right side edges toward the center in the left and right direction, and holds a pair of gripping portions elastically gripping each of the vicinity of the left and right side edges of the housing; An antenna device comprising: a latch portion for latching. 前記１対の把持部のそれぞれは、前記接地板部の前記１対の左右側縁のそれぞれから左右方向中央へ一側が凸となる向きに湾曲する第１湾曲部と、該第１湾曲部の先端から前記第１湾曲部の湾曲向きと逆向きに湾曲する第２湾曲部とを備え、該第２湾曲部が前記筐体に摺接して前記接地板部との間で前記筐体を把持することを特徴とする請求項１に記載のアンテナ装置。   Each of the pair of gripping portions is a first curved portion curved in a direction in which one side is convex toward the center in the left-right direction from each of the pair of left and right side edges of the ground plate portion; And a second bending portion that curves in a direction opposite to the bending direction of the first bending portion from the tip, and the second bending portion is in sliding contact with the housing and holds the housing between the second bending portion and the ground plate portion. The antenna device according to claim 1, wherein: 前記ラッチ部は、前記接地板部の左右方向略中央部に配置され、固定端から前記逆向きに延びる片持ち梁状の弾性アームと、該弾性アームに設けられ、前記筐体に設けられた係止穴に係止するラッチ突起とを備えていることを特徴とする請求項１又は２に記載のアンテナ装置。   The latch portion is disposed at a substantially central portion in the left-right direction of the ground plate portion, and is provided on the elastic arm having a cantilever shape extending in the opposite direction from the fixed end and the elastic arm and provided on the housing The antenna device according to claim 1 or 2, further comprising: a latch protrusion that locks into the locking hole.
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