JPS5911005A - Car antenna fitting device - Google Patents

Car antenna fitting device

Info

Publication number
JPS5911005A
JPS5911005A JP4199383A JP4199383A JPS5911005A JP S5911005 A JPS5911005 A JP S5911005A JP 4199383 A JP4199383 A JP 4199383A JP 4199383 A JP4199383 A JP 4199383A JP S5911005 A JPS5911005 A JP S5911005A
Authority
JP
Japan
Prior art keywords
fitting
antenna
insulating
cylinder
antenna element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4199383A
Other languages
Japanese (ja)
Inventor
Jiro Harada
原田 次郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harada Industry Co Ltd
Original Assignee
Harada Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harada Industry Co Ltd filed Critical Harada Industry Co Ltd
Priority to JP4199383A priority Critical patent/JPS5911005A/en
Publication of JPS5911005A publication Critical patent/JPS5911005A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/1207Supports; Mounting means for fastening a rigid aerial element
    • H01Q1/1214Supports; Mounting means for fastening a rigid aerial element through a wall

Landscapes

  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Support Of Aerials (AREA)

Abstract

PURPOSE:To perform the fitting with the dielectric loss decreased, by inserting an insulating cylinder having a shaft center inserted with a conductor fixing an antenna element to a fitting hole of a car wall and bringing the cylinder into contact with the car wall surface with a lower fitting element and an upper fitting element made of an insulating member. CONSTITUTION:A fitting base 1 is formed by inserting a conductor 3 to the shaft center of the insulating cylinder 2. A screw section 2a is provided at the outer circumference of the cylinder 2 and a flange section 2b is provided at the base end. The base 1 is inserted into the fitting hole 5 provided to the car wall 4 and the part of the cylinder 2 is fixed to the car wall 4 with the lower fitting element 6 and the upper fitting element 7. The element 6 is made of a conductive material, fitted to the outer circumference of the cylinder 2 and the lower ridge is supported with the flange section 2b. The element 7 is formed in the shape of almost semi-sphere with a hard synthetic resin, and a fitting nut 10 is screwed to the screw section 2a of the cylinder 2 through a fitting hole 9 provided at the top. Then, the element 7 is pressed on the surface of the car wall 4 and the element 6 is brought into press contact with the rear side of the wall 4. The conductor 3 is fitted with a base end 12 of an antenna element 11 and the dielectric loss is reduced.

Description

【発明の詳細な説明】 本化1男は目切1曳等の中4向tニアンテナを取ト1−
けるためのアンテナ取付装置に関し、特に誘゛峨体損失
低減手段に関する。
[Detailed Description of the Invention] The first person of the present invention took out two antennas in four directions in the middle of the cutter, one puller, etc.
The present invention relates to an antenna mounting device for antenna mounting, and particularly to means for reducing dielectric loss.

従来のこのf・liのアンテナIIyIj装酷は、アン
テナ素子の)N喘と接続される導′小($シ軸心に挿設
したII $1法休を、車体壁に設(プた1(ソ(、l
゛化内責11i 1.、t: r1%、 1vIJJ1
一体の浩端に設けたフランジ部と中休;;との與面との
間にト部収(・1素イーを介在させ、申体壁夕1方へ突
出した前記取1.1′周体の夕(周に半球状の絶縁性上
部爪1;」素子を嵌込み、このl一部数u″素子からL
方ヘデ出し7ている1j11記導体の夕を周に設けたね
じ部にナラ) 4−4!¥合させ、このナツトを締1ヰ
けることによりR11記り部II! f(l素−i″−
2屯体壁外表曲に押1ト固定するものとなっている。
The conventional mounting of this f.li antenna is to install the conductor (II) inserted into the axis of the antenna element (II) connected to the N (of the antenna element) on the vehicle body wall. (So(, l
Internal Responsibility 11i 1. , t: r1%, 1vIJJ1
Between the flange part provided on the one-piece wide end and the end face of the middle part, a part fitting (1 piece E) is interposed, and the said part 1. Insert the upper part of the body (insulating upper claw 1 with a hemispherical shape around the circumference), and from this L part number u'' element
4-4! R11 notation part II by aligning and tightening this nut 1! f(l element-i″-
It is designed to be fixed to the outer curve of the 2-ton body wall with a pusher.

−1−記構成のアンテナ取1」装置はアンテナ素子の対
)(地間合一が太きいため1例えはCB波の受信を可能
と1−るためのローディングコイルを車体壁の内側に設
置するようにした場合冴においで、アンテナの1秀、°
1χ湊損失が増大−Cることになる、 すなわち、周知の如くアンテナ素子上に1/4波長の串
゛波がのるように屯気長を設定されたアンテナでは、ア
ンテナ素子の接地点においてアンテナ素子上の室締分布
が最大となり、電工分布が最小(=零)となるように設
dトされている。
-1- The antenna device with the configuration described above is a pair of antenna elements) (because the ground-to-ground connection is thick, for example, a loading coil is installed inside the vehicle body wall to enable reception of CB waves. If you choose to do so, you will have one of the best antennas, °
In other words, as is well known, in an antenna whose antenna height is set so that a 1/4-wavelength wave is placed on the antenna element, the antenna at the ground point of the antenna element It is set so that the chamber tightness distribution on the element is the maximum and the electrician distribution is the minimum (=zero).

したがって前記したようにローディングコイルを車体内
に設置すると、′電工分布が零である接地点が、車体壁
を越えた点に存在することになる。つまり車体壁はアン
テナ素子」二のAT IEE分布が零でない領域に存在
していることになる。その結果、アンテナ素子と大地(
車体壁)との間の静゛ダ容置が仮りに不変であったとし
ても、アンテナの誘電体損失は増大する。一方、上記の
Q11クローディングコイルが車体壁の内側にくるよう
に設置すると、アンテナ素子とΦ体壁との1屯離が相対
的に接近することになる、このためアンテナ素子の対火
地間容量が増大する。したがって当然誘噌体損失は増大
する。このようにローディングコイルを車体内に設置す
ると、アンテナの誘辺体廻失が著しく増大しアンテナの
放射能率が悪化することになる。
Therefore, when the loading coil is installed inside the vehicle body as described above, a grounding point where the electrical distribution is zero exists at a point beyond the vehicle body wall. In other words, the car body wall exists in a region where the AT IEE distribution of the antenna element 2 is not zero. As a result, the antenna element and the ground (
Even if the static space between the antenna and the vehicle body wall remains unchanged, the dielectric loss of the antenna increases. On the other hand, if the above-mentioned Q11 closing coil is installed inside the car body wall, the distance between the antenna element and the Φ body wall will be relatively close by 1 ton, so the distance between the antenna element and the fire ground will be relatively close. Capacity increases. Therefore, dielectric loss naturally increases. If the loading coil is installed inside the vehicle body in this way, the dielectric loss of the antenna will significantly increase, and the radiation efficiency of the antenna will deteriorate.

本発明はこのような事情に哉いてなされたものであり、
その目的はアンテナの接地点が甲1体壁−Lに存在し7
ない場合であっても、アンテナの誘電体損失を最小限に
抑制でき、アンテナの放射能率を実用ヒヴ障のない程度
に安定に保つことのできる屯1tl+3川アンテナ取付
装置を提供することである。
The present invention was made in response to these circumstances, and
The purpose is that the grounding point of the antenna is located on the wall of the first body - L.
To provide an antenna mounting device capable of minimizing the dielectric loss of the antenna and keeping the radiation efficiency of the antenna stable to the extent that there is no problem in practical use, even when there is no problem. .

以−F本発明の詳糾1を図j01(二示す実施例によっ
て明らかにする。第1図はこの発明の一実施例の構成を
、゛皮部を切断して示した図である。′弔1図中、1は
収1基体である。この取付基体1は絶縁筒体2の軸心に
導電体3を挿着し7たものである。し記絶縁筒体2は1
例えば合成(fit脂にてほぼ円筒状に成型されたもの
であり、その外周面にはねじ部2aが設けられ、筒体の
基端(図中干端)にはフランジ部2bが設けられている
。父上記導′屯体3は例えば黄銅棒などで形成されたも
ので、その一端は絶稼筒体2の頂部から夕■方へ突出し
、他端は絶縁筒体2の哉端部より内方へ陥没した状態に
上記絶縁筒体2に挿着されている。しかして上記取f」
基体1は車体壁4に設けられた取付孔5に尉挿され絶縁
筒体2の部分がt′部tty付素子6および上部取付素
子7からなる固定素子によつ°C卓体壁4に固定される
。F線取1才素子6は例えばとルミニウム合金などの導
電性材料C二よりj構成されており、自口記11y寸塾
体lの絶縁筒体2の夕1周に嵌合したときその下端縁が
絶縁筒体2のフランジ部2bによって支えられるものと
なっている。上記取付素子6の円弧状をなす下端縁には
複数個の鋸歯状突起6Cが設けらhている。叉、下部収
E1素イ6の平坦な上端縁にはΦ体壁6の射面に対して
喰い込み易いように尖鋭な突起6 al 6bが設けら
れている。上記収(す素子7は硬質合成樹脂にてほぼ半
球状に形成さ第1たもので、車体壁4の〃$方へψ出し
た前記収目)、1休Iの絶縁筒体2のタル固に嵌合1−
るものとなっている。この上部ηヌ寸素子7の開口端周
縁はゴムなどの柔軟な相料で形成した座板8を介して車
体壁4の表面に接合するものとなつ°Cいる。また上部
取付素子7の頂部には取付基体1を嵌合させるための嵌
合孔9が設けである。この嵌合孔9を通して上部取付素
子7の外方へ突出している絶縁筒体2の夕(周のねじ部
2aには、収叶ナツトIOが中“ゲ合するようになって
いる。したがってこの1枚1;1ナツト10を締ト]°
け操作すると、ナツト10はF師しこれに伴い収[1展
休Iは相対的に上方へ引にげられる。その結果、−上部
取付素子7は「(1体壁4の表面に押し付けられ、上部
取付素子6は車体Mに4の表面に1−(−接することt
ニなる。かくして11v1:1基体lは生体壁4に固定
されるものである、 ところで前記11V fJナツト10が螺合している位
置よりもさらにL方へ突出している取付基体1の心中1
体3にはアンテナ素子IIの哉端部12がアンテナ素子
取付機構13によって接続固定されている。アンテナ素
子11は比較的細径な棉屯体にて形成されたロッドアン
テナ素子であって、その暴端部12はロッド外径よりも
若干大径に形成されている。アンテナ素子取N機構13
は前記導電体3の頂部近傍における軸6邪に、アンテナ
素)−Xtの基端部I2が軸心方向に若干移動可能な円
筒状中空部14を設けると共に、この中空部14に基端
部12を嵌入したアンテナ素子の導電体夕1方(二契出
している部分を包持する如く、筒状の保持管15の暴端
を導゛屯体3の頂部外周に螺合したものとなっている。
Hereinafter, details 1 of the present invention will be clarified by referring to an embodiment shown in Fig. 1 (2). Fig. 1 is a diagram showing the structure of an embodiment of the present invention with the skin section cut away.' In Figure 1, 1 is a housing 1 base.This mounting base 1 has a conductor 3 inserted into the axis of an insulating cylinder 2.The insulating cylinder 2 is 1
For example, it is molded into a substantially cylindrical shape using synthetic resin (fit resin), and a threaded portion 2a is provided on the outer peripheral surface, and a flange portion 2b is provided at the base end (dry end in the figure) of the cylindrical body. The conductive tube body 3 is made of, for example, a brass rod, and one end thereof protrudes from the top of the insulating tube body 2 in the direction, and the other end protrudes from the bottom end of the insulating tube body 2. It is inserted into the insulating cylindrical body 2 in an inwardly depressed state.
The base body 1 is inserted into a mounting hole 5 provided in the body wall 4, and the portion of the insulating cylindrical body 2 is attached to the table body wall 4 by a fixing element consisting of a T' section tty attachment element 6 and an upper mounting element 7. Fixed. The F-wire element 6 is made of a conductive material such as aluminum alloy, and when fitted around the first circumference of the insulating cylindrical body 2 with dimensions 11 and 1, its lower end The edge is supported by the flange portion 2b of the insulating cylinder 2. A plurality of serrated projections 6C are provided on the lower edge of the circular arc shape of the mounting element 6. Further, a sharp projection 6 al 6 b is provided on the flat upper edge of the lower housing E1 element 6 so that it can easily bite into the projection surface of the Φ body wall 6 . The above-mentioned element 7 is made of hard synthetic resin and is formed into a substantially hemispherical shape, and the above-mentioned element 7 is protruded in the direction ψ of the vehicle body wall 4. Tightly fitted 1-
It has become something that The periphery of the open end of the upper η-sized element 7 is joined to the surface of the vehicle body wall 4 via a seat plate 8 formed of a flexible material such as rubber. Further, a fitting hole 9 for fitting the mounting base 1 is provided at the top of the upper mounting element 7. A convergence nut IO is fitted into the threaded portion 2a of the insulating cylinder 2 which protrudes outwardly from the upper mounting element 7 through this fitting hole 9. 1 sheet 1; 1 tighten nuts 10]°
When the nut 10 is operated, the nut 10 moves upward, and accordingly, the nut 10 is pulled upward relatively. As a result, the upper mounting element 7 is pressed against the surface of the body wall 4, and the upper mounting element 6 is in contact with the surface of the vehicle body M.
Ninaru. In this way, the 11v1:1 base l is fixed to the biological wall 4. By the way, the center 1 of the mounting base 1 protrudes further in the L direction than the position where the 11V fJ nut 10 is screwed.
The lower end 12 of the antenna element II is connected and fixed to the body 3 by an antenna element attachment mechanism 13. The antenna element 11 is a rod antenna element formed of a relatively small-diameter cotton tube, and its blunt end 12 is formed to have a slightly larger diameter than the outer diameter of the rod. Antenna element take-up N mechanism 13
A cylindrical hollow part 14 is provided on the axis 6 near the top of the conductor 3, in which the base end I2 of the antenna element)-Xt can move slightly in the axial direction, and a base end part is provided in this hollow part 14. The outer end of the cylindrical holding tube 15 is screwed onto the outer periphery of the top of the conductor tube 3 so as to enclose the protruding portion of the conductor 12 of the antenna element. ing.

なお中空部I4の(1旧−1部はアンテナ素子11の基
端部I2が容易に離脱しないように中空部I4の内径よ
りも小さな径となっている。
Note that the diameter of the (1 old-1 part) of the hollow part I4 is smaller than the inner diameter of the hollow part I4 so that the base end part I2 of the antenna element 11 does not easily come off.

また」二記中空部14の開口部には図には示していない
が、いわゆる[スリ割りlが設けである、この「スリ割
り」は保持管I5を導電体3に螺合しない状態において
は、アンテナ素子IIの基端部I2を上記開口部から中
空部14内に挿入可能であるように、又アンテナ素子1
1の基端部12を中空部内に挿入後において保持管I5
を導電体3に螺合した状態では、上記開口部においてア
ンテナ素子IIのロッド外周を挾1E保持し得るように
、開口部に弾性をもたせたものである。前記保持管15
の周壁にはねじ穴が設けてあり、このねじ穴に固定ねじ
I6が外方から螺挿されている。この固定ねじ16は、
これを経用けることによってその先端を保持管7.5内
に保持しているアンテナ素子11の夕i周曲に11良い
込ませζアンブナ素子11の軸心方向への移動を目止す
るだめのものである。
Furthermore, although not shown in the drawing, the opening of the hollow portion 14 is provided with a so-called slot 1. This slit is used when the holding tube I5 is not screwed into the conductor 3. , so that the base end I2 of the antenna element II can be inserted into the hollow part 14 from the opening.
After inserting the proximal end 12 of No. 1 into the hollow portion, the holding tube I5
The opening has elasticity so that the outer periphery of the rod of the antenna element II can be held in the opening 1E when the rod is screwed onto the conductor 3. The holding tube 15
A screw hole is provided in the peripheral wall of the housing, and a fixing screw I6 is screwed into this screw hole from the outside. This fixing screw 16 is
By using this, the tip of the antenna element 11 held in the holding tube 7.5 can be placed well into the circular curve of the antenna element 11, and the movement of the antenna element 11 in the axial direction can be checked. belongs to.

前記l’/ f;J承体Iの車体壁4よりも内方き突出
している絶、縁尚体2のフランジ部2 bには例えはア
ルミニウム弄の導串、性部材にて形成したシールドケー
スI7のE端部が紋め加重等の手段により固定され°C
いる。上記シールドケース17のL端部は図からも明ら
かなように、絶縁面体2のフランジ部2bにおける段部
に対して係止されるように折曲けられている。したがっ
て11辻のように収(」ナツト10を締1」操作すると
、下線取1」素子6の円弧状ト端縁に設けである突起6
CがシールドケースI7の」二端縁に喰い込み、シール
ドケースI7と−F部J02付素子6とが達気的番二接
続される。その結果、シールドケースI7は接地導体で
ある車体壁4に9気的に接続されることになる。
Said l'/f; The flange portion 2b of the insulating body 2 which protrudes inwardly from the vehicle body wall 4 of the J bearing body I is provided with a shield made of a metal material such as a guide skewer made of aluminum. The E end of case I7 is fixed by means such as weighting.
There is. As is clear from the figure, the L end of the shield case 17 is bent so as to be engaged with the stepped portion of the flange portion 2b of the insulating face member 2. Therefore, when the nut 10 is tightened like the 11th intersection, the underlined 1" protrusion 6, which is provided on the arcuate edge of the element 6,
C bites into the two end edges of the shield case I7, and the shield case I7 and the element 6 with the -F section J02 are connected to each other. As a result, the shield case I7 is electrically connected to the vehicle body wall 4, which is a ground conductor.

シールドケース17の内部には印刷配線板18が11父
容されている。この印刷配線板18にはチョークコイル
I9とコンデンサ20とを直列に接続したC I33部
過用の第1のフィルタJ′11と、チョークコイル2I
とコンデンサ22とを並列接続したA M波および1パ
へ11波通過用の第2のフィルタF2とが配設されてい
る。上記第1のフィルタF rのチョークコイル19は
、ローディングコイルを兼ねたインククタンス素イであ
る。第1.第2のフィルタi’ t 、 F 2の各−
・ケ1^1は印刷配線板I8の先端部に取(71けであ
る接触端子23に接続されている。この(ど触端子23
は例えば黄銅棒などでノ1う成されたもので。
Eleven printed wiring boards 18 are housed inside the shield case 17. This printed wiring board 18 is provided with a first filter J'11 having a choke coil I9 and a capacitor 20 connected in series, and a choke coil 2I.
A second filter F2 for passing AM waves and 11 waves to 1P is provided in which a capacitor 22 and a capacitor 22 are connected in parallel. The choke coil 19 of the first filter Fr is an ink-tance element that also serves as a loading coil. 1st. Each of the second filters i′ t , F 2 −
- 1^1 is attached to the tip of the printed wiring board I8 and is connected to the contact terminal 23, which is 71 pieces.
is made of, for example, a brass rod.

その先端が耐1記取寸栽体1における導電体2の基端部
(二膵市性の板はね24を介して′山気的に接触導通し
つるものとなっている。第lフィルタFrの他端は印刷
配線板!80椿端艦二取付けである接続端子25に接続
されており、第2フイルタF2の他端は同じく印刷配線
板Z8の基端に取(;1けである接続端子26に接続さ
れている。 r/−ルドケース17の基端開口部に嵌合
している絶縁体27は、上記開口部を閉塞すると共に、
印刷配線板I8の基端を機械的に保持していイ)。この
絶縁体27を担通してシールドケース17内に導入され
た第1のクープル28の芯線28aは1111記接続端
f−25に接1胱されている。 1rilじ<fl=、
rs体27を廁通してシールドケース17内にm人され
た第2のケーブル29の芯線29aは%続端子26に接
続されている、シールドケース17内に博びかれた第1
.第2のケ−フJI/、28 、29(D’!−ス用編
組線28b。
The tip thereof is connected to the proximal end of the conductor 2 in the measuring body 1 (the second filter is connected to the proximal end of the conductor 2 through the plate springs 24). The other end is connected to the connection terminal 25 that is attached to the printed wiring board !80 Tsubakibatan 2, and the other end of the second filter F2 is also attached to the base end of the printed wiring board Z8 It is connected to the terminal 26. An insulator 27 fitted into the proximal opening of the r/- led case 17 closes the opening, and
The base end of the printed wiring board I8 is mechanically held a). The core wire 28a of the first couple 28 introduced into the shield case 17 through the insulator 27 is connected to the 1111 connection end f-25. 1ril<fl=,
The core wire 29a of the second cable 29, which passes through the RS body 27 and is inserted into the shield case 17, is connected to the connection terminal 26.
.. Second cable JI/, 28, 29 (D'!-braided wire 28b.

29hは印刷配保仮18の基端に11を成した接地用聾
市ハ4 、? 0に共通に接続されている。また接h1
1輻:子26と一ヒ記接地用辱礒1漠30との間にはイ
ンピータンス整合用のコンデンーリ−20′が接続され
ている。に記接地用4゛嘔膜30の一端はリード線3I
によってシールドケース17に接続され−Cいる。この
リード線3Iは絶縁体27の周面に設けた溝の中に陥入
している。しかして絶縁体27をシールドケースI7の
浩端開口部に嵌合させる際に、上記溝内のリー ド線3
IとシールドケースI7の内面とが11−接状態となり
、リード線3IとケースI7との接続がはかられるもの
である。第lり゛−プル28のシールドケースタロ=・
捧出された先立utはCB上セツト2に接続されており
、第2ケーブル29のシールドケースタロ=導出された
先部はAl〜I/FMセット33に接続されている。な
お第1ケーブル28としては(r Hセット32の人出
万端のインピーダンスとアンテナ素子側のインピーダン
スとの整合が得られるように例えば特開インピーダンス
50flの同軸ケーブルが用いられている。
29h is the grounding deaf city H4, which formed 11 at the base end of the printing distribution provisional 18? 0 in common. Also contact h1
A capacitor 20' for impedance matching is connected between the terminal 26 and the grounding capacitor 30. One end of the grounding wire 30 is connected to the lead wire 3I.
-C is connected to the shield case 17 by -C. This lead wire 3I is recessed into a groove provided on the circumferential surface of the insulator 27. Therefore, when fitting the insulator 27 into the wide end opening of the shield case I7, the lead wire 3 in the groove is
The lead wire 3I and the inner surface of the shield case I7 are in contact with each other, and the lead wire 3I and the case I7 are connected. 1st Little 28th Shield Case Taro =...
The extended leading end is connected to the CB upper set 2, and the tip of the second cable 29 led out from the shield case is connected to the Al-I/FM set 33. As the first cable 28, for example, a coaxial cable with an impedance of 50fl is used in order to match the impedance of the rH set 32 with the impedance of the antenna element.

また第2ケーブル29ど1〜てはA1〜4 / F M
セット330人月端のインピーダンスとアンテナ素子側
のインピーダンスとの整合が得られるように所定の特性
インピーダンスを角イる同軸ケーブルが用いられている
Also, the second cable 29 is A1-4/FM
A coaxial cable having a predetermined characteristic impedance is used so that the impedance at the end of the set 330 and the impedance at the antenna element side can be matched.

このように構成された本装置は取付塾体1における絶縁
同体2がアンテナ素子側の導体(アンブナ素子11.導
電体3、接触得体23等)と車体壁4との間に介在して
いるので、第2図(alから明らかなよう;−、アンテ
ナ素子側の導体と車体壁4との間に)4、CJ 、 C
、? 、 C,3なる3個の静゛t1容1汁が存在イる
ことになる。第2図(b)は第1図(alの静′市容[
縫分布を等測的に示した図である。C3は、取1;1ね
じ10の綿ト1力の大小に応じて静゛屯容(((が変化
するン当に半固定+T’−、呵変コンデンジとして示し
である。上記弔2図(a)。
In this device configured in this way, the insulating body 2 of the mounting body 1 is interposed between the conductor on the antenna element side (the antenna element 11, the conductor 3, the contact body 23, etc.) and the vehicle body wall 4. , FIG. 2 (as is clear from al; -, between the conductor on the antenna element side and the vehicle body wall 4) 4, CJ, C
,? , C, 3, there are three static t1 volume 1 juices. Figure 2 (b) is the same as Figure 1 (al).
It is a figure showing stitch distribution isometrically. C3 is shown as a semi-fixed +T'-, and a variable condensate depending on the magnitude of the force on the screw 10. (a).

(b)に示すような静?+’、 8 Nlの存在が如伺
に特徴的であるかは、第3図(al 、 (b)に示す
従来の静電容憎の状況と比較してみれば明らかである。
Is it still as shown in (b)? It is clear that the presence of +', 8 Nl is unique to Nyoyo when compared with the conventional electrostatic charge situation shown in FIG. 3 (al, (b)).

第3図(alかられかるように、従来のものはアンテナ
素子側の導体と車体壁との間にC4およびC5なる*r
+4.容にが存在している。14は第2図(a) 、 
(1)l ノCz += 41当するものであり、C5
は第2図(a) 、 (b) (7) C3に相当する
ものである。
As can be seen from Figure 3 (al), in the conventional type there are C4 and C5 between the conductor on the antenna element side and the car body wall.
+4. There is a content. 14 is shown in Figure 2(a),
(1) l no Cz += 41, and C5
2 (a), (b) (7) corresponds to C3.

ここに04とCIとを比較すると1本装置の場合、絶縁
筒体2の肉厚が厚く導吊体3.J@触導体:zs’−p
の径が比較的小径に形成されているので。
Comparing 04 and CI here, in the case of a single device, the thickness of the insulating cylinder 2 is thicker and the thickness of the conductor suspension 3. J@Tactile conductor: zs'-p
Because the diameter is relatively small.

CI(C4 である、またC5と03とを比較してみると、Cs ’
−,C3ではあるが本装置の場合にはC3に(:2がI
+!1列に+Jrlわるので、である。−方、第3図(
b)の静″嘔疼承を等価[r:Jに示した第3図(b)
から明らかなように、C5の値は取付ねじ10’の締ず
」力によって大きく変化する。これに対し第2図(al
 、 (blに示すC3の変化は取付ナツトIOがアン
テナ素子側の導体とは絶縁された状態となっていること
から僅かである。しかも値が固定化されているC2がC
3と的列になっているので、−1,記変動は殆んど問題
にならない。
CI (C4), and when comparing C5 and 03, Cs'
-, C3, but in the case of this device, C3 (:2 is I
+! This is because +Jrl is added to one column. - direction, Figure 3 (
Equivalent to the vomiting pain of b) [r: Figure 3 (b) shown in J
As is clear from the figure, the value of C5 varies greatly depending on the tightening force of the mounting screw 10'. In contrast, Fig. 2 (al
, (The change in C3 shown in bl is slight because the mounting nut IO is insulated from the conductor on the antenna element side. Moreover, C2, whose value is fixed, is
Since it is in line with 3, the -1, change is hardly a problem.

かくして本装置においてはアンテナと大地との間の静知
容量が極めて小さく且つ安定なものとなる。したがって
ローディングコイルが車体壁より内1則に設置さね、た
為に、屯14・楯が存在している領域がアンテナ素子上
の市′田分布の零でないiil’口!!1cでざビつて
も、アンテナの誘nψ体損失は殆んど一定で増IJ1.
l Lない。したがってアンテナの故射幼率の低l・−
をきたさずに済むはかりでなく所定の放射ソ11率を・
安定に保植し得るものである。
Thus, in this device, the static capacitance between the antenna and the ground is extremely small and stable. Therefore, the loading coil is not installed inward from the car body wall, so the area where the tun 14/shield exists is a non-zero part of the Ichi'da distribution on the antenna element! ! 1c, the antenna's attractant loss remains almost constant and increases with IJ1.
L No L. Therefore, the antenna's radiation rate is low l・-
Rather than using a scale that does not cause
It can be stably planted.

以上説明したように本発明によれば、アンテナ素子側の
導体と重体ケ、イ:との間には必ず絶縁同体部分が介在
すると共に、収イ1ナツトの締[1力による静i’rL
 ’4 srの変(部分が敵手なものになるので、アン
テナの誘′−′d体損失が最小限に抑制され。
As explained above, according to the present invention, an insulating body part is always interposed between the conductor on the antenna element side and the heavy body A, and the static i'rL caused by the tightening force of the nut.
'4 Since the SR part becomes hostile, the dielectric loss of the antenna is suppressed to a minimum.

アンテナのjJM射能ヰでを実用り支l’f;のない稈
I隻に叙′カー′にヴ持できる屯両用アンデナj汐(;
]装置を提供できる、
A dual-purpose antenna that can be mounted on a ship without a practical support for the JM radiation of the antenna.
] can provide equipment;

【図面の簡単な説明】[Brief explanation of the drawing]

弔1図はシ1(発明の一実施例の構成を要部を切…[し
て示す図、1,2図(a) 、 (1)lは同実施例の
アンブナ累−F−(11+11稈休と重体N・1(との
間の静118容亀を示T図、第;3図(81、(1)l
は第2図(al 、 (b)に対応して示した従来の装
置の静屯容障を示す図である。 1・・・取付基体、2・・・絶縁筒体、3・・・4電体
。 4・・・車体壁、5・・・(yト1″孔、6・・・F部
115!f’J°素子、7・・・上部取(;]素子、R
・・・座板、9・・・嵌合孔、10・・・取f=Jナツ
ト、11・・・ロッドアンブナ素子、I2・・・アンテ
ナ素子基端部、13°°゛アンテナ素子取ト1機構、 IJl 1lf1人代理人 弁理士  鈴  江  武
  彦図面の浄書(内容に変更なし) 第1図 第2図 (a)        (b) 第3図 (a)         (b) ′1〒許庁長官 若杉和夫 殿 1 事件の表示 制J1卯114+58−4 ] 993号2 発明の名
杓・ 車両用アンテナ取付装置に ;3 補11−をする−1 7n件との関1系 特NIF i旧h10人1駅田上案
株式会月 4代理人
Figure 1 is a diagram showing the configuration of an embodiment of the invention with the main parts cut away, Figures 1 and 2 (a), (1) l is the anbuna stack-F-(11+11) of the same embodiment. Figure 3 (81, (1) l
2 is a diagram showing the static load capacity of the conventional device shown corresponding to FIG. Electrical body. 4... Vehicle body wall, 5... (y to 1" hole, 6... F section 115!f'J° element, 7... Upper mounting (;) element, R
... Seat plate, 9 ... Fitting hole, 10 ... Take f = J nut, 11 ... Rod arbor element, I2 ... Antenna element base end, 13°°゛Antenna element takeout 1 Japan Agency, IJl 1lf 1 agent Patent attorney Takehiko Suzue Engraving of drawings (no changes in content) Figure 1 Figure 2 (a) (b) Figure 3 (a) (b) '1 Director General of the License Agency Wakasugi Mr. Kazuo 1 Incident display system J1 U 114 + 58-4] 993 No. 2 Inventor name - vehicle antenna mounting device; 3 Supplementary 11-1 Relationship with 7n cases 1 Special NIF i old h10 people 1 Ekida Uean Co., Ltd. Monthly 4 Agent

Claims (1)

【特許請求の範囲】[Claims] 軸心に導7jΣ体を挿設さJt申体ヅIZ設けられた取
1:1゛孔に対して用挿される絶に、筒体と、この絶縁
筒体のi餠1に設けられたフランジ部とnij記車体壁
辺而と面間に介挿されるF部jlV、f:、l素子と、
nl(記絶縁筒体の車体壁開方へ突出した部分に嵌込ま
れ幅面を東イイ・壁表面へ当接させる絶縁部材からなる
上2部取f」素子と、この−ヒ部取(」素子を車体壁表
面に押]」−する如く前記絶縁筒体の夕1周に設けたね
じ部に螺合されるII! f=J’ナツトと1mI記4
小体の一端に1ンテナ素子塾端を接続固定−するアンテ
ナ素子収に1機溝とをμ備したことを特徴とする東両用
アンチノー取(=J装置。
An insulating body is inserted into the shaft center, and a cylindrical body and a flange provided on the insulating cylindrical body are inserted into the 1:1 hole provided in the insulating body. and an F part jlV, f:, l element inserted between the vehicle body wall area and the surface,
nl (an upper two-part element consisting of an insulating member that is fitted into the part of the insulating cylindrical body that protrudes toward the opening of the vehicle body wall and brings the width surface into contact with the east wall surface); The element is screwed onto the threaded part provided around the first circumference of the insulating cylindrical body so that the element is pushed onto the car body wall surface.
An anti-noise device (= J device) characterized by having one groove in the antenna element housing which connects and fixes one end of one antenna element to one end of the small body.
JP4199383A 1983-03-14 1983-03-14 Car antenna fitting device Pending JPS5911005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4199383A JPS5911005A (en) 1983-03-14 1983-03-14 Car antenna fitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4199383A JPS5911005A (en) 1983-03-14 1983-03-14 Car antenna fitting device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP52159899A Division JPS606569B2 (en) 1977-12-27 1977-12-27 Vehicle antenna device

Publications (1)

Publication Number Publication Date
JPS5911005A true JPS5911005A (en) 1984-01-20

Family

ID=12623717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4199383A Pending JPS5911005A (en) 1983-03-14 1983-03-14 Car antenna fitting device

Country Status (1)

Country Link
JP (1) JPS5911005A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01318303A (en) * 1988-06-17 1989-12-22 Aisin Seiki Co Ltd Rod antenna system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01318303A (en) * 1988-06-17 1989-12-22 Aisin Seiki Co Ltd Rod antenna system

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